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TOMOYO Linux Cross Reference
Linux/scripts/kernel-doc

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /scripts/kernel-doc (Version linux-6.12-rc7) and /scripts/kernel-doc (Version linux-5.18.19)


  1 #!/usr/bin/env perl                                 1 #!/usr/bin/env perl
  2 # SPDX-License-Identifier: GPL-2.0                  2 # SPDX-License-Identifier: GPL-2.0
  3 # vim: softtabstop=4                           << 
  4                                                     3 
  5 use warnings;                                       4 use warnings;
  6 use strict;                                         5 use strict;
  7                                                     6 
  8 ## Copyright (c) 1998 Michael Zucchi, All Righ      7 ## Copyright (c) 1998 Michael Zucchi, All Rights Reserved        ##
  9 ## Copyright (C) 2000, 1  Tim Waugh <twaugh@red      8 ## Copyright (C) 2000, 1  Tim Waugh <twaugh@redhat.com>          ##
 10 ## Copyright (C) 2001  Simon Huggins                9 ## Copyright (C) 2001  Simon Huggins                             ##
 11 ## Copyright (C) 2005-2012  Randy Dunlap           10 ## Copyright (C) 2005-2012  Randy Dunlap                         ##
 12 ## Copyright (C) 2012  Dan Luedtke                 11 ## Copyright (C) 2012  Dan Luedtke                               ##
 13 ##                                                 12 ##                                                               ##
 14 ## #define enhancements by Armin Kuster <akuste     13 ## #define enhancements by Armin Kuster <akuster@mvista.com>     ##
 15 ## Copyright (c) 2000 MontaVista Software, Inc     14 ## Copyright (c) 2000 MontaVista Software, Inc.                  ##
 16 #                                                  15 #
 17 # Copyright (C) 2022 Tomasz Warniełło (POD)      16 # Copyright (C) 2022 Tomasz Warniełło (POD)
 18                                                    17 
 19 use Pod::Usage qw/pod2usage/;                      18 use Pod::Usage qw/pod2usage/;
 20                                                    19 
 21 =head1 NAME                                        20 =head1 NAME
 22                                                    21 
 23 kernel-doc - Print formatted kernel documentat     22 kernel-doc - Print formatted kernel documentation to stdout
 24                                                    23 
 25 =head1 SYNOPSIS                                    24 =head1 SYNOPSIS
 26                                                    25 
 27  kernel-doc [-h] [-v] [-Werror] [-Wall] [-Wret !!  26  kernel-doc [-h] [-v] [-Werror]
 28    [ -man |                                        27    [ -man |
 29      -rst [-sphinx-version VERSION] [-enable-l     28      -rst [-sphinx-version VERSION] [-enable-lineno] |
 30      -none                                         29      -none
 31    ]                                               30    ]
 32    [                                               31    [
 33      -export |                                     32      -export |
 34      -internal |                                   33      -internal |
 35      [-function NAME] ... |                        34      [-function NAME] ... |
 36      [-nosymbol NAME] ...                          35      [-nosymbol NAME] ...
 37    ]                                               36    ]
 38    [-no-doc-sections]                              37    [-no-doc-sections]
 39    [-export-file FILE] ...                         38    [-export-file FILE] ...
 40    FILE ...                                        39    FILE ...
 41                                                    40 
 42 Run `kernel-doc -h` for details.                   41 Run `kernel-doc -h` for details.
 43                                                    42 
 44 =head1 DESCRIPTION                                 43 =head1 DESCRIPTION
 45                                                    44 
 46 Read C language source or header FILEs, extrac     45 Read C language source or header FILEs, extract embedded documentation comments,
 47 and print formatted documentation to standard      46 and print formatted documentation to standard output.
 48                                                    47 
 49 The documentation comments are identified by t     48 The documentation comments are identified by the "/**" opening comment mark.
 50                                                    49 
 51 See Documentation/doc-guide/kernel-doc.rst for     50 See Documentation/doc-guide/kernel-doc.rst for the documentation comment syntax.
 52                                                    51 
 53 =cut                                               52 =cut
 54                                                    53 
 55 # more perldoc at the end of the file              54 # more perldoc at the end of the file
 56                                                    55 
 57 ## init lots of data                               56 ## init lots of data
 58                                                    57 
 59 my $errors = 0;                                    58 my $errors = 0;
 60 my $warnings = 0;                                  59 my $warnings = 0;
 61 my $anon_struct_union = 0;                         60 my $anon_struct_union = 0;
 62                                                    61 
 63 # match expressions used to find embedded type     62 # match expressions used to find embedded type information
 64 my $type_constant = '\b``([^\`]+)``\b';            63 my $type_constant = '\b``([^\`]+)``\b';
 65 my $type_constant2 = '\%([-_*\w]+)';           !!  64 my $type_constant2 = '\%([-_\w]+)';
 66 my $type_func = '(\w+)\(\)';                       65 my $type_func = '(\w+)\(\)';
 67 my $type_param = '\@(\w*((\.\w+)|(->\w+))*(\.\     66 my $type_param = '\@(\w*((\.\w+)|(->\w+))*(\.\.\.)?)';
 68 my $type_param_ref = '([\!~\*]?)\@(\w*((\.\w+) !!  67 my $type_param_ref = '([\!]?)\@(\w*((\.\w+)|(->\w+))*(\.\.\.)?)';
 69 my $type_fp_param = '\@(\w+)\(\)';  # Special      68 my $type_fp_param = '\@(\w+)\(\)';  # Special RST handling for func ptr params
 70 my $type_fp_param2 = '\@(\w+->\S+)\(\)';  # Sp     69 my $type_fp_param2 = '\@(\w+->\S+)\(\)';  # Special RST handling for structs with func ptr params
 71 my $type_env = '(\$\w+)';                          70 my $type_env = '(\$\w+)';
 72 my $type_enum = '\&(enum\s*([_\w]+))';             71 my $type_enum = '\&(enum\s*([_\w]+))';
 73 my $type_struct = '\&(struct\s*([_\w]+))';         72 my $type_struct = '\&(struct\s*([_\w]+))';
 74 my $type_typedef = '\&(typedef\s*([_\w]+))';       73 my $type_typedef = '\&(typedef\s*([_\w]+))';
 75 my $type_union = '\&(union\s*([_\w]+))';           74 my $type_union = '\&(union\s*([_\w]+))';
 76 my $type_member = '\&([_\w]+)(\.|->)([_\w]+)';     75 my $type_member = '\&([_\w]+)(\.|->)([_\w]+)';
 77 my $type_fallback = '\&([_\w]+)';                  76 my $type_fallback = '\&([_\w]+)';
 78 my $type_member_func = $type_member . '\(\)';      77 my $type_member_func = $type_member . '\(\)';
 79                                                    78 
 80 # Output conversion substitutions.                 79 # Output conversion substitutions.
 81 #  One for each output format                      80 #  One for each output format
 82                                                    81 
 83 # these are pretty rough                           82 # these are pretty rough
 84 my @highlights_man = (                             83 my @highlights_man = (
 85     [$type_constant, "\$1"],                   !!  84                       [$type_constant, "\$1"],
 86     [$type_constant2, "\$1"],                  !!  85                       [$type_constant2, "\$1"],
 87     [$type_func, "\\\\fB\$1\\\\fP"],           !!  86                       [$type_func, "\\\\fB\$1\\\\fP"],
 88     [$type_enum, "\\\\fI\$1\\\\fP"],           !!  87                       [$type_enum, "\\\\fI\$1\\\\fP"],
 89     [$type_struct, "\\\\fI\$1\\\\fP"],         !!  88                       [$type_struct, "\\\\fI\$1\\\\fP"],
 90     [$type_typedef, "\\\\fI\$1\\\\fP"],        !!  89                       [$type_typedef, "\\\\fI\$1\\\\fP"],
 91     [$type_union, "\\\\fI\$1\\\\fP"],          !!  90                       [$type_union, "\\\\fI\$1\\\\fP"],
 92     [$type_param, "\\\\fI\$1\\\\fP"],          !!  91                       [$type_param, "\\\\fI\$1\\\\fP"],
 93     [$type_param_ref, "\\\\fI\$1\$2\\\\fP"],   !!  92                       [$type_param_ref, "\\\\fI\$1\$2\\\\fP"],
 94     [$type_member, "\\\\fI\$1\$2\$3\\\\fP"],   !!  93                       [$type_member, "\\\\fI\$1\$2\$3\\\\fP"],
 95     [$type_fallback, "\\\\fI\$1\\\\fP"]        !!  94                       [$type_fallback, "\\\\fI\$1\\\\fP"]
 96   );                                           !!  95                      );
 97 my $blankline_man = "";                            96 my $blankline_man = "";
 98                                                    97 
 99 # rst-mode                                         98 # rst-mode
100 my @highlights_rst = (                             99 my @highlights_rst = (
101     [$type_constant, "``\$1``"],               !! 100                        [$type_constant, "``\$1``"],
102     [$type_constant2, "``\$1``"],              !! 101                        [$type_constant2, "``\$1``"],
103                                                !! 102                        # Note: need to escape () to avoid func matching later
104     # Note: need to escape () to avoid func ma !! 103                        [$type_member_func, "\\:c\\:type\\:`\$1\$2\$3\\\\(\\\\) <\$1>`"],
105     [$type_member_func, "\\:c\\:type\\:`\$1\$2 !! 104                        [$type_member, "\\:c\\:type\\:`\$1\$2\$3 <\$1>`"],
106     [$type_member, "\\:c\\:type\\:`\$1\$2\$3 < !! 105                        [$type_fp_param, "**\$1\\\\(\\\\)**"],
107     [$type_fp_param, "**\$1\\\\(\\\\)**"],     !! 106                        [$type_fp_param2, "**\$1\\\\(\\\\)**"],
108     [$type_fp_param2, "**\$1\\\\(\\\\)**"],    !! 107                        [$type_func, "\$1()"],
109     [$type_func, "\$1()"],                     !! 108                        [$type_enum, "\\:c\\:type\\:`\$1 <\$2>`"],
110     [$type_enum, "\\:c\\:type\\:`\$1 <\$2>`"], !! 109                        [$type_struct, "\\:c\\:type\\:`\$1 <\$2>`"],
111     [$type_struct, "\\:c\\:type\\:`\$1 <\$2>`" !! 110                        [$type_typedef, "\\:c\\:type\\:`\$1 <\$2>`"],
112     [$type_typedef, "\\:c\\:type\\:`\$1 <\$2>` !! 111                        [$type_union, "\\:c\\:type\\:`\$1 <\$2>`"],
113     [$type_union, "\\:c\\:type\\:`\$1 <\$2>`"] !! 112                        # in rst this can refer to any type
114                                                !! 113                        [$type_fallback, "\\:c\\:type\\:`\$1`"],
115     # in rst this can refer to any type        !! 114                        [$type_param_ref, "**\$1\$2**"]
116     [$type_fallback, "\\:c\\:type\\:`\$1`"],   !! 115                       );
117     [$type_param_ref, "**\$1\$2**"]            << 
118   );                                           << 
119 my $blankline_rst = "\n";                         116 my $blankline_rst = "\n";
120                                                   117 
121 # read arguments                                  118 # read arguments
122 if ($#ARGV == -1) {                               119 if ($#ARGV == -1) {
123     pod2usage(                                 !! 120         pod2usage(
124         -message => "No arguments!\n",         !! 121                 -message => "No arguments!\n",
125         -exitval => 1,                         !! 122                 -exitval => 1,
126         -verbose => 99,                        !! 123                 -verbose => 99,
127         -sections => 'SYNOPSIS',               !! 124                 -sections => 'SYNOPSIS',
128         -output => \*STDERR,                   !! 125                 -output => \*STDERR,
129       );                                       !! 126         );
130 }                                                 127 }
131                                                   128 
132 my $kernelversion;                                129 my $kernelversion;
133 my ($sphinx_major, $sphinx_minor, $sphinx_patc    130 my ($sphinx_major, $sphinx_minor, $sphinx_patch);
134                                                   131 
135 my $dohighlight = "";                             132 my $dohighlight = "";
136                                                   133 
137 my $verbose = 0;                                  134 my $verbose = 0;
138 my $Werror = 0;                                   135 my $Werror = 0;
139 my $Wreturn = 0;                               << 
140 my $Wshort_desc = 0;                           << 
141 my $Wcontents_before_sections = 0;             << 
142 my $output_mode = "rst";                          136 my $output_mode = "rst";
143 my $output_preformatted = 0;                      137 my $output_preformatted = 0;
144 my $no_doc_sections = 0;                          138 my $no_doc_sections = 0;
145 my $enable_lineno = 0;                            139 my $enable_lineno = 0;
146 my @highlights = @highlights_rst;                 140 my @highlights = @highlights_rst;
147 my $blankline = $blankline_rst;                   141 my $blankline = $blankline_rst;
148 my $modulename = "Kernel API";                    142 my $modulename = "Kernel API";
149                                                   143 
150 use constant {                                    144 use constant {
151     OUTPUT_ALL          => 0, # output all sym    145     OUTPUT_ALL          => 0, # output all symbols and doc sections
152     OUTPUT_INCLUDE      => 1, # output only sp    146     OUTPUT_INCLUDE      => 1, # output only specified symbols
153     OUTPUT_EXPORTED     => 2, # output exporte    147     OUTPUT_EXPORTED     => 2, # output exported symbols
154     OUTPUT_INTERNAL     => 3, # output non-exp    148     OUTPUT_INTERNAL     => 3, # output non-exported symbols
155 };                                                149 };
156 my $output_selection = OUTPUT_ALL;                150 my $output_selection = OUTPUT_ALL;
157 my $show_not_found = 0; # No longer used          151 my $show_not_found = 0; # No longer used
158                                                   152 
159 my @export_file_list;                             153 my @export_file_list;
160                                                   154 
161 my @build_time;                                   155 my @build_time;
162 if (defined($ENV{'KBUILD_BUILD_TIMESTAMP'}) &&    156 if (defined($ENV{'KBUILD_BUILD_TIMESTAMP'}) &&
163     (my $seconds = `date -d"${ENV{'KBUILD_BUIL    157     (my $seconds = `date -d"${ENV{'KBUILD_BUILD_TIMESTAMP'}}" +%s`) ne '') {
164     @build_time = gmtime($seconds);               158     @build_time = gmtime($seconds);
165 } else {                                          159 } else {
166     @build_time = localtime;                      160     @build_time = localtime;
167 }                                                 161 }
168                                                   162 
169 my $man_date = ('January', 'February', 'March'    163 my $man_date = ('January', 'February', 'March', 'April', 'May', 'June',
170                 'July', 'August', 'September', !! 164                 'July', 'August', 'September', 'October',
171                 'November', 'December')[$build !! 165                 'November', 'December')[$build_time[4]] .
172     " " . ($build_time[5]+1900);               !! 166   " " . ($build_time[5]+1900);
173                                                   167 
174 # Essentially these are globals.                  168 # Essentially these are globals.
175 # They probably want to be tidied up, made mor    169 # They probably want to be tidied up, made more localised or something.
176 # CAVEAT EMPTOR!  Some of the others I localis    170 # CAVEAT EMPTOR!  Some of the others I localised may not want to be, which
177 # could cause "use of undefined value" or othe    171 # could cause "use of undefined value" or other bugs.
178 my ($function, %function_table, %parametertype    172 my ($function, %function_table, %parametertypes, $declaration_purpose);
179 my %nosymbol_table = ();                          173 my %nosymbol_table = ();
180 my $declaration_start_line;                       174 my $declaration_start_line;
181 my ($type, $declaration_name, $return_type);      175 my ($type, $declaration_name, $return_type);
182 my ($newsection, $newcontents, $prototype, $br    176 my ($newsection, $newcontents, $prototype, $brcount, %source_map);
183                                                   177 
184 if (defined($ENV{'KBUILD_VERBOSE'}) && $ENV{'K !! 178 if (defined($ENV{'KBUILD_VERBOSE'})) {
185     $verbose = 1;                              !! 179         $verbose = "$ENV{'KBUILD_VERBOSE'}";
186 }                                                 180 }
187                                                   181 
188 if (defined($ENV{'KCFLAGS'})) {                   182 if (defined($ENV{'KCFLAGS'})) {
189     my $kcflags = "$ENV{'KCFLAGS'}";           !! 183         my $kcflags = "$ENV{'KCFLAGS'}";
190                                                   184 
191     if ($kcflags =~ /(\s|^)-Werror(\s|$)/) {   !! 185         if ($kcflags =~ /Werror/) {
192         $Werror = 1;                           !! 186                 $Werror = 1;
193     }                                          !! 187         }
194 }                                                 188 }
195                                                   189 
196 # reading this variable is for backwards compa << 
197 # someone was calling it with the variable fro << 
198 # kernel's build system                        << 
199 if (defined($ENV{'KDOC_WERROR'})) {               190 if (defined($ENV{'KDOC_WERROR'})) {
200     $Werror = "$ENV{'KDOC_WERROR'}";           !! 191         $Werror = "$ENV{'KDOC_WERROR'}";
201 }                                                 192 }
202 # other environment variables are converted to << 
203 # arguments in cmd_checkdoc in the build syste << 
204                                                   193 
205 # Generated docbook code is inserted in a temp    194 # Generated docbook code is inserted in a template at a point where
206 # docbook v3.1 requires a non-zero sequence of    195 # docbook v3.1 requires a non-zero sequence of RefEntry's; see:
207 # https://www.oasis-open.org/docbook/documenta    196 # https://www.oasis-open.org/docbook/documentation/reference/html/refentry.html
208 # We keep track of number of generated entries    197 # We keep track of number of generated entries and generate a dummy
209 # if needs be to ensure the expanded template     198 # if needs be to ensure the expanded template can be postprocessed
210 # into html.                                      199 # into html.
211 my $section_counter = 0;                          200 my $section_counter = 0;
212                                                   201 
213 my $lineprefix="";                                202 my $lineprefix="";
214                                                   203 
215 # Parser states                                   204 # Parser states
216 use constant {                                    205 use constant {
217     STATE_NORMAL        => 0,        # normal     206     STATE_NORMAL        => 0,        # normal code
218     STATE_NAME          => 1,        # looking    207     STATE_NAME          => 1,        # looking for function name
219     STATE_BODY_MAYBE    => 2,        # body -     208     STATE_BODY_MAYBE    => 2,        # body - or maybe more description
220     STATE_BODY          => 3,        # the bod    209     STATE_BODY          => 3,        # the body of the comment
221     STATE_BODY_WITH_BLANK_LINE => 4, # the bod    210     STATE_BODY_WITH_BLANK_LINE => 4, # the body, which has a blank line
222     STATE_PROTO         => 5,        # scannin    211     STATE_PROTO         => 5,        # scanning prototype
223     STATE_DOCBLOCK      => 6,        # documen    212     STATE_DOCBLOCK      => 6,        # documentation block
224     STATE_INLINE        => 7,        # gatheri    213     STATE_INLINE        => 7,        # gathering doc outside main block
225 };                                                214 };
226 my $state;                                        215 my $state;
227 my $in_doc_sect;                                  216 my $in_doc_sect;
228 my $leading_space;                                217 my $leading_space;
229                                                   218 
230 # Inline documentation state                      219 # Inline documentation state
231 use constant {                                    220 use constant {
232     STATE_INLINE_NA     => 0, # not applicable    221     STATE_INLINE_NA     => 0, # not applicable ($state != STATE_INLINE)
233     STATE_INLINE_NAME   => 1, # looking for me    222     STATE_INLINE_NAME   => 1, # looking for member name (@foo:)
234     STATE_INLINE_TEXT   => 2, # looking for me    223     STATE_INLINE_TEXT   => 2, # looking for member documentation
235     STATE_INLINE_END    => 3, # done              224     STATE_INLINE_END    => 3, # done
236     STATE_INLINE_ERROR  => 4, # error - Commen    225     STATE_INLINE_ERROR  => 4, # error - Comment without header was found.
237                               # Spit a warning    226                               # Spit a warning as it's not
238                               # proper kernel-    227                               # proper kernel-doc and ignore the rest.
239 };                                                228 };
240 my $inline_doc_state;                             229 my $inline_doc_state;
241                                                   230 
242 #declaration types: can be                        231 #declaration types: can be
243 # 'function', 'struct', 'union', 'enum', 'type    232 # 'function', 'struct', 'union', 'enum', 'typedef'
244 my $decl_type;                                    233 my $decl_type;
245                                                   234 
246 # Name of the kernel-doc identifier for non-DO    235 # Name of the kernel-doc identifier for non-DOC markups
247 my $identifier;                                   236 my $identifier;
248                                                   237 
249 my $doc_start = '^/\*\*\s*$'; # Allow whitespa    238 my $doc_start = '^/\*\*\s*$'; # Allow whitespace at end of comment start.
250 my $doc_end = '\*/';                              239 my $doc_end = '\*/';
251 my $doc_com = '\s*\*\s*';                         240 my $doc_com = '\s*\*\s*';
252 my $doc_com_body = '\s*\* ?';                     241 my $doc_com_body = '\s*\* ?';
253 my $doc_decl = $doc_com . '(\w+)';                242 my $doc_decl = $doc_com . '(\w+)';
254 # @params and a strictly limited set of suppor    243 # @params and a strictly limited set of supported section names
255 # Specifically:                                   244 # Specifically:
256 #   Match @word:                                  245 #   Match @word:
257 #         @...:                                   246 #         @...:
258 #         @{section-name}:                        247 #         @{section-name}:
259 # while trying to not match literal block star    248 # while trying to not match literal block starts like "example::"
260 #                                                 249 #
261 my $doc_sect = $doc_com .                         250 my $doc_sect = $doc_com .
262     '\s*(\@[.\w]+|\@\.\.\.|description|context    251     '\s*(\@[.\w]+|\@\.\.\.|description|context|returns?|notes?|examples?)\s*:([^:].*)?$';
263 my $doc_content = $doc_com_body . '(.*)';         252 my $doc_content = $doc_com_body . '(.*)';
264 my $doc_block = $doc_com . 'DOC:\s*(.*)?';        253 my $doc_block = $doc_com . 'DOC:\s*(.*)?';
265 my $doc_inline_start = '^\s*/\*\*\s*$';           254 my $doc_inline_start = '^\s*/\*\*\s*$';
266 my $doc_inline_sect = '\s*\*\s*(@\s*[\w][\w\.]    255 my $doc_inline_sect = '\s*\*\s*(@\s*[\w][\w\.]*\s*):(.*)';
267 my $doc_inline_end = '^\s*\*/\s*$';               256 my $doc_inline_end = '^\s*\*/\s*$';
268 my $doc_inline_oneline = '^\s*/\*\*\s*(@[\w\s]    257 my $doc_inline_oneline = '^\s*/\*\*\s*(@[\w\s]+):\s*(.*)\s*\*/\s*$';
269 my $export_symbol = '^\s*EXPORT_SYMBOL(_GPL)?\    258 my $export_symbol = '^\s*EXPORT_SYMBOL(_GPL)?\s*\(\s*(\w+)\s*\)\s*;';
270 my $export_symbol_ns = '^\s*EXPORT_SYMBOL_NS(_ << 
271 my $function_pointer = qr{([^\(]*\(\*)\s*\)\s*    259 my $function_pointer = qr{([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)};
272 my $attribute = qr{__attribute__\s*\(\([a-z0-9    260 my $attribute = qr{__attribute__\s*\(\([a-z0-9,_\*\s\(\)]*\)\)}i;
273                                                   261 
274 my %parameterdescs;                               262 my %parameterdescs;
275 my %parameterdesc_start_lines;                    263 my %parameterdesc_start_lines;
276 my @parameterlist;                                264 my @parameterlist;
277 my %sections;                                     265 my %sections;
278 my @sectionlist;                                  266 my @sectionlist;
279 my %section_start_lines;                          267 my %section_start_lines;
280 my $sectcheck;                                    268 my $sectcheck;
281 my $struct_actual;                                269 my $struct_actual;
282                                                   270 
283 my $contents = "";                                271 my $contents = "";
284 my $new_start_line = 0;                           272 my $new_start_line = 0;
285                                                   273 
286 # the canonical section names. see also $doc_s    274 # the canonical section names. see also $doc_sect above.
287 my $section_default = "Description";    # defa    275 my $section_default = "Description";    # default section
288 my $section_intro = "Introduction";               276 my $section_intro = "Introduction";
289 my $section = $section_default;                   277 my $section = $section_default;
290 my $section_context = "Context";                  278 my $section_context = "Context";
291 my $section_return = "Return";                    279 my $section_return = "Return";
292                                                   280 
293 my $undescribed = "-- undescribed --";            281 my $undescribed = "-- undescribed --";
294                                                   282 
295 reset_state();                                    283 reset_state();
296                                                   284 
297 while ($ARGV[0] =~ m/^--?(.*)/) {                 285 while ($ARGV[0] =~ m/^--?(.*)/) {
298     my $cmd = $1;                                 286     my $cmd = $1;
299     shift @ARGV;                                  287     shift @ARGV;
300     if ($cmd eq "man") {                          288     if ($cmd eq "man") {
301         $output_mode = "man";                  !! 289         $output_mode = "man";
302         @highlights = @highlights_man;         !! 290         @highlights = @highlights_man;
303         $blankline = $blankline_man;           !! 291         $blankline = $blankline_man;
304     } elsif ($cmd eq "rst") {                     292     } elsif ($cmd eq "rst") {
305         $output_mode = "rst";                  !! 293         $output_mode = "rst";
306         @highlights = @highlights_rst;         !! 294         @highlights = @highlights_rst;
307         $blankline = $blankline_rst;           !! 295         $blankline = $blankline_rst;
308     } elsif ($cmd eq "none") {                    296     } elsif ($cmd eq "none") {
309         $output_mode = "none";                 !! 297         $output_mode = "none";
310     } elsif ($cmd eq "module") { # not needed     298     } elsif ($cmd eq "module") { # not needed for XML, inherits from calling document
311         $modulename = shift @ARGV;             !! 299         $modulename = shift @ARGV;
312     } elsif ($cmd eq "function") { # to only o    300     } elsif ($cmd eq "function") { # to only output specific functions
313         $output_selection = OUTPUT_INCLUDE;    !! 301         $output_selection = OUTPUT_INCLUDE;
314         $function = shift @ARGV;               !! 302         $function = shift @ARGV;
315         $function_table{$function} = 1;        !! 303         $function_table{$function} = 1;
316     } elsif ($cmd eq "nosymbol") { # Exclude s    304     } elsif ($cmd eq "nosymbol") { # Exclude specific symbols
317         my $symbol = shift @ARGV;              !! 305         my $symbol = shift @ARGV;
318         $nosymbol_table{$symbol} = 1;          !! 306         $nosymbol_table{$symbol} = 1;
319     } elsif ($cmd eq "export") { # only export    307     } elsif ($cmd eq "export") { # only exported symbols
320         $output_selection = OUTPUT_EXPORTED;   !! 308         $output_selection = OUTPUT_EXPORTED;
321         %function_table = ();                  !! 309         %function_table = ();
322     } elsif ($cmd eq "internal") { # only non-    310     } elsif ($cmd eq "internal") { # only non-exported symbols
323         $output_selection = OUTPUT_INTERNAL;   !! 311         $output_selection = OUTPUT_INTERNAL;
324         %function_table = ();                  !! 312         %function_table = ();
325     } elsif ($cmd eq "export-file") {             313     } elsif ($cmd eq "export-file") {
326         my $file = shift @ARGV;                !! 314         my $file = shift @ARGV;
327         push(@export_file_list, $file);        !! 315         push(@export_file_list, $file);
328     } elsif ($cmd eq "v") {                       316     } elsif ($cmd eq "v") {
329         $verbose = 1;                          !! 317         $verbose = 1;
330     } elsif ($cmd eq "Werror") {                  318     } elsif ($cmd eq "Werror") {
331         $Werror = 1;                           !! 319         $Werror = 1;
332     } elsif ($cmd eq "Wreturn") {              << 
333         $Wreturn = 1;                          << 
334     } elsif ($cmd eq "Wshort-desc" or $cmd eq  << 
335         $Wshort_desc = 1;                      << 
336     } elsif ($cmd eq "Wcontents-before-section << 
337         $Wcontents_before_sections = 1;        << 
338     } elsif ($cmd eq "Wall") {                 << 
339         $Wreturn = 1;                          << 
340         $Wshort_desc = 1;                      << 
341         $Wcontents_before_sections = 1;        << 
342     } elsif (($cmd eq "h") || ($cmd eq "help")    320     } elsif (($cmd eq "h") || ($cmd eq "help")) {
343         pod2usage(-exitval => 0, -verbose => 2 !! 321                 pod2usage(-exitval => 0, -verbose => 2);
344     } elsif ($cmd eq 'no-doc-sections') {         322     } elsif ($cmd eq 'no-doc-sections') {
345         $no_doc_sections = 1;                  !! 323             $no_doc_sections = 1;
346     } elsif ($cmd eq 'enable-lineno') {           324     } elsif ($cmd eq 'enable-lineno') {
347         $enable_lineno = 1;                    !! 325             $enable_lineno = 1;
348     } elsif ($cmd eq 'show-not-found') {          326     } elsif ($cmd eq 'show-not-found') {
349         $show_not_found = 1;  # A no-op but do !! 327         $show_not_found = 1;  # A no-op but don't fail
350     } elsif ($cmd eq "sphinx-version") {          328     } elsif ($cmd eq "sphinx-version") {
351         my $ver_string = shift @ARGV;          !! 329         my $ver_string = shift @ARGV;
352         if ($ver_string =~ m/^(\d+)(\.\d+)?(\. !! 330         if ($ver_string =~ m/^(\d+)(\.\d+)?(\.\d+)?/) {
353             $sphinx_major = $1;                !! 331             $sphinx_major = $1;
354             if (defined($2)) {                 !! 332             if (defined($2)) {
355                 $sphinx_minor = substr($2,1);  !! 333                 $sphinx_minor = substr($2,1);
356             } else {                           !! 334             } else {
357                 $sphinx_minor = 0;             !! 335                 $sphinx_minor = 0;
358             }                                  !! 336             }
359             if (defined($3)) {                 !! 337             if (defined($3)) {
360                 $sphinx_patch = substr($3,1)   !! 338                 $sphinx_patch = substr($3,1)
361             } else {                           !! 339             } else {
362                 $sphinx_patch = 0;             !! 340                 $sphinx_patch = 0;
363             }                                  !! 341             }
364         } else {                               !! 342         } else {
365             die "Sphinx version should either  !! 343             die "Sphinx version should either major.minor or major.minor.patch format\n";
366         }                                      !! 344         }
367     } else {                                      345     } else {
368         # Unknown argument                     !! 346         # Unknown argument
369         pod2usage(                             !! 347         pod2usage(
370             -message => "Argument unknown!\n", !! 348             -message => "Argument unknown!\n",
371             -exitval => 1,                     !! 349             -exitval => 1,
372             -verbose => 99,                    !! 350             -verbose => 99,
373             -sections => 'SYNOPSIS',           !! 351             -sections => 'SYNOPSIS',
374             -output => \*STDERR,               !! 352             -output => \*STDERR,
375             );                                 !! 353             );
376     }                                             354     }
377     if ($#ARGV < 0){                              355     if ($#ARGV < 0){
378         pod2usage(                             !! 356         pod2usage(
379             -message => "FILE argument missing !! 357             -message => "FILE argument missing\n",
380             -exitval => 1,                     !! 358             -exitval => 1,
381             -verbose => 99,                    !! 359             -verbose => 99,
382             -sections => 'SYNOPSIS',           !! 360             -sections => 'SYNOPSIS',
383             -output => \*STDERR,               !! 361             -output => \*STDERR,
384             );                                 !! 362             );
385     }                                             363     }
386 }                                                 364 }
387                                                   365 
388 # continue execution near EOF;                    366 # continue execution near EOF;
389                                                   367 
390 # The C domain dialect changed on Sphinx 3. So    368 # The C domain dialect changed on Sphinx 3. So, we need to check the
391 # version in order to produce the right tags.     369 # version in order to produce the right tags.
392 sub findprog($)                                   370 sub findprog($)
393 {                                                 371 {
394     foreach(split(/:/, $ENV{PATH})) {          !! 372         foreach(split(/:/, $ENV{PATH})) {
395         return "$_/$_[0]" if(-x "$_/$_[0]");   !! 373                 return "$_/$_[0]" if(-x "$_/$_[0]");
396     }                                          !! 374         }
397 }                                                 375 }
398                                                   376 
399 sub get_sphinx_version()                          377 sub get_sphinx_version()
400 {                                                 378 {
401     my $ver;                                   !! 379         my $ver;
402                                                << 
403     my $cmd = "sphinx-build";                  << 
404     if (!findprog($cmd)) {                     << 
405         my $cmd = "sphinx-build3";             << 
406         if (!findprog($cmd)) {                 << 
407             $sphinx_major = 1;                 << 
408             $sphinx_minor = 2;                 << 
409             $sphinx_patch = 0;                 << 
410             printf STDERR "Warning: Sphinx ver << 
411                    $sphinx_major, $sphinx_mino << 
412             return;                            << 
413         }                                      << 
414     }                                          << 
415                                                   380 
416     open IN, "$cmd --version 2>&1 |";          !! 381         my $cmd = "sphinx-build";
417     while (<IN>) {                             !! 382         if (!findprog($cmd)) {
418         if (m/^\s*sphinx-build\s+([\d]+)\.([\d !! 383                 my $cmd = "sphinx-build3";
419             $sphinx_major = $1;                !! 384                 if (!findprog($cmd)) {
420             $sphinx_minor = $2;                !! 385                         $sphinx_major = 1;
421             $sphinx_patch = $3;                !! 386                         $sphinx_minor = 2;
422             last;                              !! 387                         $sphinx_patch = 0;
423         }                                      !! 388                         printf STDERR "Warning: Sphinx version not found. Using default (Sphinx version %d.%d.%d)\n",
424         # Sphinx 1.2.x uses a different format !! 389                                $sphinx_major, $sphinx_minor, $sphinx_patch;
425         if (m/^\s*Sphinx.*\s+([\d]+)\.([\d\.]+ !! 390                         return;
426             $sphinx_major = $1;                !! 391                 }
427             $sphinx_minor = $2;                !! 392         }
428             $sphinx_patch = $3;                !! 393 
429             last;                              !! 394         open IN, "$cmd --version 2>&1 |";
430         }                                      !! 395         while (<IN>) {
431     }                                          !! 396                 if (m/^\s*sphinx-build\s+([\d]+)\.([\d\.]+)(\+\/[\da-f]+)?$/) {
432     close IN;                                  !! 397                         $sphinx_major = $1;
                                                   >> 398                         $sphinx_minor = $2;
                                                   >> 399                         $sphinx_patch = $3;
                                                   >> 400                         last;
                                                   >> 401                 }
                                                   >> 402                 # Sphinx 1.2.x uses a different format
                                                   >> 403                 if (m/^\s*Sphinx.*\s+([\d]+)\.([\d\.]+)$/) {
                                                   >> 404                         $sphinx_major = $1;
                                                   >> 405                         $sphinx_minor = $2;
                                                   >> 406                         $sphinx_patch = $3;
                                                   >> 407                         last;
                                                   >> 408                 }
                                                   >> 409         }
                                                   >> 410         close IN;
433 }                                                 411 }
434                                                   412 
435 # get kernel version from env                     413 # get kernel version from env
436 sub get_kernel_version() {                        414 sub get_kernel_version() {
437     my $version = 'unknown kernel version';       415     my $version = 'unknown kernel version';
438                                                   416 
439     if (defined($ENV{'KERNELVERSION'})) {         417     if (defined($ENV{'KERNELVERSION'})) {
440         $version = $ENV{'KERNELVERSION'};      !! 418         $version = $ENV{'KERNELVERSION'};
441     }                                             419     }
442     return $version;                              420     return $version;
443 }                                                 421 }
444                                                   422 
445 #                                                 423 #
446 sub print_lineno {                                424 sub print_lineno {
447     my $lineno = shift;                           425     my $lineno = shift;
448     if ($enable_lineno && defined($lineno)) {     426     if ($enable_lineno && defined($lineno)) {
449         print ".. LINENO " . $lineno . "\n";      427         print ".. LINENO " . $lineno . "\n";
450     }                                             428     }
451 }                                                 429 }
452                                                << 
453 sub emit_warning {                             << 
454     my $location = shift;                      << 
455     my $msg = shift;                           << 
456     print STDERR "$location: warning: $msg";   << 
457     ++$warnings;                               << 
458 }                                              << 
459 ##                                                430 ##
460 # dumps section contents to arrays/hashes inte    431 # dumps section contents to arrays/hashes intended for that purpose.
461 #                                                 432 #
462 sub dump_section {                                433 sub dump_section {
463     my $file = shift;                             434     my $file = shift;
464     my $name = shift;                             435     my $name = shift;
465     my $contents = join "\n", @_;                 436     my $contents = join "\n", @_;
466                                                   437 
467     if ($name =~ m/$type_param/) {                438     if ($name =~ m/$type_param/) {
468         $name = $1;                            !! 439         $name = $1;
469         $parameterdescs{$name} = $contents;    !! 440         $parameterdescs{$name} = $contents;
470         $sectcheck = $sectcheck . $name . " "; !! 441         $sectcheck = $sectcheck . $name . " ";
471         $parameterdesc_start_lines{$name} = $n    442         $parameterdesc_start_lines{$name} = $new_start_line;
472         $new_start_line = 0;                      443         $new_start_line = 0;
473     } elsif ($name eq "@\.\.\.") {                444     } elsif ($name eq "@\.\.\.") {
474         $name = "...";                         !! 445         $name = "...";
475         $parameterdescs{$name} = $contents;    !! 446         $parameterdescs{$name} = $contents;
476         $sectcheck = $sectcheck . $name . " "; !! 447         $sectcheck = $sectcheck . $name . " ";
477         $parameterdesc_start_lines{$name} = $n    448         $parameterdesc_start_lines{$name} = $new_start_line;
478         $new_start_line = 0;                      449         $new_start_line = 0;
479     } else {                                      450     } else {
480         if (defined($sections{$name}) && ($sec !! 451         if (defined($sections{$name}) && ($sections{$name} ne "")) {
481             # Only warn on user specified dupl !! 452             # Only warn on user specified duplicate section names.
482             if ($name ne $section_default) {   !! 453             if ($name ne $section_default) {
483                 emit_warning("${file}:$.", "du !! 454                 print STDERR "${file}:$.: warning: duplicate section name '$name'\n";
484             }                                  !! 455                 ++$warnings;
485             $sections{$name} .= $contents;     !! 456             }
486         } else {                               !! 457             $sections{$name} .= $contents;
487             $sections{$name} = $contents;      !! 458         } else {
488             push @sectionlist, $name;          !! 459             $sections{$name} = $contents;
                                                   >> 460             push @sectionlist, $name;
489             $section_start_lines{$name} = $new    461             $section_start_lines{$name} = $new_start_line;
490             $new_start_line = 0;                  462             $new_start_line = 0;
491         }                                      !! 463         }
492     }                                             464     }
493 }                                                 465 }
494                                                   466 
495 ##                                                467 ##
496 # dump DOC: section after checking that it sho    468 # dump DOC: section after checking that it should go out
497 #                                                 469 #
498 sub dump_doc_section {                            470 sub dump_doc_section {
499     my $file = shift;                             471     my $file = shift;
500     my $name = shift;                             472     my $name = shift;
501     my $contents = join "\n", @_;                 473     my $contents = join "\n", @_;
502                                                   474 
503     if ($no_doc_sections) {                       475     if ($no_doc_sections) {
504         return;                                   476         return;
505     }                                             477     }
506                                                   478 
507     return if (defined($nosymbol_table{$name})    479     return if (defined($nosymbol_table{$name}));
508                                                   480 
509     if (($output_selection == OUTPUT_ALL) ||      481     if (($output_selection == OUTPUT_ALL) ||
510         (($output_selection == OUTPUT_INCLUDE) !! 482         (($output_selection == OUTPUT_INCLUDE) &&
511          defined($function_table{$name})))     !! 483          defined($function_table{$name})))
512     {                                             484     {
513         dump_section($file, $name, $contents); !! 485         dump_section($file, $name, $contents);
514         output_blockhead({'sectionlist' => \@s !! 486         output_blockhead({'sectionlist' => \@sectionlist,
515                           'sections' => \%sect !! 487                           'sections' => \%sections,
516                           'module' => $modulen !! 488                           'module' => $modulename,
517                           'content-only' => ($ !! 489                           'content-only' => ($output_selection != OUTPUT_ALL), });
518     }                                             490     }
519 }                                                 491 }
520                                                   492 
521 ##                                                493 ##
522 # output function                                 494 # output function
523 #                                                 495 #
524 # parameterdescs, a hash.                         496 # parameterdescs, a hash.
525 #  function => "function name"                    497 #  function => "function name"
526 #  parameterlist => @list of parameters           498 #  parameterlist => @list of parameters
527 #  parameterdescs => %parameter descriptions      499 #  parameterdescs => %parameter descriptions
528 #  sectionlist => @list of sections               500 #  sectionlist => @list of sections
529 #  sections => %section descriptions              501 #  sections => %section descriptions
530 #                                                 502 #
531                                                   503 
532 sub output_highlight {                            504 sub output_highlight {
533     my $contents = join "\n",@_;                  505     my $contents = join "\n",@_;
534     my $line;                                     506     my $line;
535                                                   507 
536 #   DEBUG                                         508 #   DEBUG
537 #   if (!defined $contents) {                     509 #   if (!defined $contents) {
538 #       use Carp;                                 510 #       use Carp;
539 #       confess "output_highlight got called w    511 #       confess "output_highlight got called with no args?\n";
540 #   }                                             512 #   }
541                                                   513 
542 #   print STDERR "contents b4:$contents\n";       514 #   print STDERR "contents b4:$contents\n";
543     eval $dohighlight;                            515     eval $dohighlight;
544     die $@ if $@;                                 516     die $@ if $@;
545 #   print STDERR "contents af:$contents\n";       517 #   print STDERR "contents af:$contents\n";
546                                                   518 
547     foreach $line (split "\n", $contents) {       519     foreach $line (split "\n", $contents) {
548         if (! $output_preformatted) {          !! 520         if (! $output_preformatted) {
549             $line =~ s/^\s*//;                 !! 521             $line =~ s/^\s*//;
550         }                                      !! 522         }
551         if ($line eq ""){                      !! 523         if ($line eq ""){
552             if (! $output_preformatted) {      !! 524             if (! $output_preformatted) {
553                 print $lineprefix, $blankline; !! 525                 print $lineprefix, $blankline;
554             }                                  !! 526             }
555         } else {                               !! 527         } else {
556             if ($output_mode eq "man" && subst !! 528             if ($output_mode eq "man" && substr($line, 0, 1) eq ".") {
557                 print "\\&$line";              !! 529                 print "\\&$line";
558             } else {                           !! 530             } else {
559                 print $lineprefix, $line;      !! 531                 print $lineprefix, $line;
560             }                                  !! 532             }
561         }                                      !! 533         }
562         print "\n";                            !! 534         print "\n";
563     }                                             535     }
564 }                                                 536 }
565                                                   537 
566 ##                                                538 ##
567 # output function in man                          539 # output function in man
568 sub output_function_man(%) {                      540 sub output_function_man(%) {
569     my %args = %{$_[0]};                          541     my %args = %{$_[0]};
570     my ($parameter, $section);                    542     my ($parameter, $section);
571     my $count;                                    543     my $count;
572                                                   544 
573     print ".TH \"$args{'function'}\" 9 \"$args    545     print ".TH \"$args{'function'}\" 9 \"$args{'function'}\" \"$man_date\" \"Kernel Hacker's Manual\" LINUX\n";
574                                                   546 
575     print ".SH NAME\n";                           547     print ".SH NAME\n";
576     print $args{'function'} . " \\- " . $args{    548     print $args{'function'} . " \\- " . $args{'purpose'} . "\n";
577                                                   549 
578     print ".SH SYNOPSIS\n";                       550     print ".SH SYNOPSIS\n";
579     if ($args{'functiontype'} ne "") {            551     if ($args{'functiontype'} ne "") {
580         print ".B \"" . $args{'functiontype'}  !! 552         print ".B \"" . $args{'functiontype'} . "\" " . $args{'function'} . "\n";
581     } else {                                      553     } else {
582         print ".B \"" . $args{'function'} . "\ !! 554         print ".B \"" . $args{'function'} . "\n";
583     }                                             555     }
584     $count = 0;                                   556     $count = 0;
585     my $parenth = "(";                            557     my $parenth = "(";
586     my $post = ",";                               558     my $post = ",";
587     foreach my $parameter (@{$args{'parameterl    559     foreach my $parameter (@{$args{'parameterlist'}}) {
588         if ($count == $#{$args{'parameterlist' !! 560         if ($count == $#{$args{'parameterlist'}}) {
589             $post = ");";                      !! 561             $post = ");";
590         }                                      !! 562         }
591         $type = $args{'parametertypes'}{$param !! 563         $type = $args{'parametertypes'}{$parameter};
592         if ($type =~ m/$function_pointer/) {   !! 564         if ($type =~ m/$function_pointer/) {
593             # pointer-to-function              !! 565             # pointer-to-function
594             print ".BI \"" . $parenth . $1 . " !! 566             print ".BI \"" . $parenth . $1 . "\" " . " \") (" . $2 . ")" . $post . "\"\n";
595         } else {                               !! 567         } else {
596             $type =~ s/([^\*])$/$1 /;          !! 568             $type =~ s/([^\*])$/$1 /;
597             print ".BI \"" . $parenth . $type  !! 569             print ".BI \"" . $parenth . $type . "\" " . " \"" . $post . "\"\n";
598         }                                      !! 570         }
599         $count++;                              !! 571         $count++;
600         $parenth = "";                         !! 572         $parenth = "";
601     }                                             573     }
602                                                   574 
603     print ".SH ARGUMENTS\n";                      575     print ".SH ARGUMENTS\n";
604     foreach $parameter (@{$args{'parameterlist    576     foreach $parameter (@{$args{'parameterlist'}}) {
605         my $parameter_name = $parameter;       !! 577         my $parameter_name = $parameter;
606         $parameter_name =~ s/\[.*//;           !! 578         $parameter_name =~ s/\[.*//;
607                                                   579 
608         print ".IP \"" . $parameter . "\" 12\n !! 580         print ".IP \"" . $parameter . "\" 12\n";
609         output_highlight($args{'parameterdescs !! 581         output_highlight($args{'parameterdescs'}{$parameter_name});
610     }                                             582     }
611     foreach $section (@{$args{'sectionlist'}})    583     foreach $section (@{$args{'sectionlist'}}) {
612         print ".SH \"", uc $section, "\"\n";   !! 584         print ".SH \"", uc $section, "\"\n";
613         output_highlight($args{'sections'}{$se !! 585         output_highlight($args{'sections'}{$section});
614     }                                             586     }
615 }                                                 587 }
616                                                   588 
617 ##                                                589 ##
618 # output enum in man                              590 # output enum in man
619 sub output_enum_man(%) {                          591 sub output_enum_man(%) {
620     my %args = %{$_[0]};                          592     my %args = %{$_[0]};
621     my ($parameter, $section);                    593     my ($parameter, $section);
622     my $count;                                    594     my $count;
623                                                   595 
624     print ".TH \"$args{'module'}\" 9 \"enum $a    596     print ".TH \"$args{'module'}\" 9 \"enum $args{'enum'}\" \"$man_date\" \"API Manual\" LINUX\n";
625                                                   597 
626     print ".SH NAME\n";                           598     print ".SH NAME\n";
627     print "enum " . $args{'enum'} . " \\- " .     599     print "enum " . $args{'enum'} . " \\- " . $args{'purpose'} . "\n";
628                                                   600 
629     print ".SH SYNOPSIS\n";                       601     print ".SH SYNOPSIS\n";
630     print "enum " . $args{'enum'} . " {\n";       602     print "enum " . $args{'enum'} . " {\n";
631     $count = 0;                                   603     $count = 0;
632     foreach my $parameter (@{$args{'parameterl    604     foreach my $parameter (@{$args{'parameterlist'}}) {
633         print ".br\n.BI \"    $parameter\"\n"; !! 605         print ".br\n.BI \"    $parameter\"\n";
634         if ($count == $#{$args{'parameterlist' !! 606         if ($count == $#{$args{'parameterlist'}}) {
635             print "\n};\n";                    !! 607             print "\n};\n";
636             last;                              !! 608             last;
637         } else {                               !! 609         }
638             print ", \n.br\n";                 !! 610         else {
639         }                                      !! 611             print ", \n.br\n";
640         $count++;                              !! 612         }
                                                   >> 613         $count++;
641     }                                             614     }
642                                                   615 
643     print ".SH Constants\n";                      616     print ".SH Constants\n";
644     foreach $parameter (@{$args{'parameterlist    617     foreach $parameter (@{$args{'parameterlist'}}) {
645         my $parameter_name = $parameter;       !! 618         my $parameter_name = $parameter;
646         $parameter_name =~ s/\[.*//;           !! 619         $parameter_name =~ s/\[.*//;
647                                                   620 
648         print ".IP \"" . $parameter . "\" 12\n !! 621         print ".IP \"" . $parameter . "\" 12\n";
649         output_highlight($args{'parameterdescs !! 622         output_highlight($args{'parameterdescs'}{$parameter_name});
650     }                                             623     }
651     foreach $section (@{$args{'sectionlist'}})    624     foreach $section (@{$args{'sectionlist'}}) {
652         print ".SH \"$section\"\n";            !! 625         print ".SH \"$section\"\n";
653         output_highlight($args{'sections'}{$se !! 626         output_highlight($args{'sections'}{$section});
654     }                                             627     }
655 }                                                 628 }
656                                                   629 
657 ##                                                630 ##
658 # output struct in man                            631 # output struct in man
659 sub output_struct_man(%) {                        632 sub output_struct_man(%) {
660     my %args = %{$_[0]};                          633     my %args = %{$_[0]};
661     my ($parameter, $section);                    634     my ($parameter, $section);
662                                                   635 
663     print ".TH \"$args{'module'}\" 9 \"" . $ar    636     print ".TH \"$args{'module'}\" 9 \"" . $args{'type'} . " " . $args{'struct'} . "\" \"$man_date\" \"API Manual\" LINUX\n";
664                                                   637 
665     print ".SH NAME\n";                           638     print ".SH NAME\n";
666     print $args{'type'} . " " . $args{'struct'    639     print $args{'type'} . " " . $args{'struct'} . " \\- " . $args{'purpose'} . "\n";
667                                                   640 
668     my $declaration = $args{'definition'};        641     my $declaration = $args{'definition'};
669     $declaration =~ s/\t/  /g;                    642     $declaration =~ s/\t/  /g;
670     $declaration =~ s/\n/"\n.br\n.BI \"/g;        643     $declaration =~ s/\n/"\n.br\n.BI \"/g;
671     print ".SH SYNOPSIS\n";                       644     print ".SH SYNOPSIS\n";
672     print $args{'type'} . " " . $args{'struct'    645     print $args{'type'} . " " . $args{'struct'} . " {\n.br\n";
673     print ".BI \"$declaration\n};\n.br\n\n";      646     print ".BI \"$declaration\n};\n.br\n\n";
674                                                   647 
675     print ".SH Members\n";                        648     print ".SH Members\n";
676     foreach $parameter (@{$args{'parameterlist    649     foreach $parameter (@{$args{'parameterlist'}}) {
677         ($parameter =~ /^#/) && next;          !! 650         ($parameter =~ /^#/) && next;
678                                                   651 
679         my $parameter_name = $parameter;       !! 652         my $parameter_name = $parameter;
680         $parameter_name =~ s/\[.*//;           !! 653         $parameter_name =~ s/\[.*//;
681                                                   654 
682         ($args{'parameterdescs'}{$parameter_na !! 655         ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next;
683         print ".IP \"" . $parameter . "\" 12\n !! 656         print ".IP \"" . $parameter . "\" 12\n";
684         output_highlight($args{'parameterdescs !! 657         output_highlight($args{'parameterdescs'}{$parameter_name});
685     }                                             658     }
686     foreach $section (@{$args{'sectionlist'}})    659     foreach $section (@{$args{'sectionlist'}}) {
687         print ".SH \"$section\"\n";            !! 660         print ".SH \"$section\"\n";
688         output_highlight($args{'sections'}{$se !! 661         output_highlight($args{'sections'}{$section});
689     }                                             662     }
690 }                                                 663 }
691                                                   664 
692 ##                                                665 ##
693 # output typedef in man                           666 # output typedef in man
694 sub output_typedef_man(%) {                       667 sub output_typedef_man(%) {
695     my %args = %{$_[0]};                          668     my %args = %{$_[0]};
696     my ($parameter, $section);                    669     my ($parameter, $section);
697                                                   670 
698     print ".TH \"$args{'module'}\" 9 \"$args{'    671     print ".TH \"$args{'module'}\" 9 \"$args{'typedef'}\" \"$man_date\" \"API Manual\" LINUX\n";
699                                                   672 
700     print ".SH NAME\n";                           673     print ".SH NAME\n";
701     print "typedef " . $args{'typedef'} . " \\    674     print "typedef " . $args{'typedef'} . " \\- " . $args{'purpose'} . "\n";
702                                                   675 
703     foreach $section (@{$args{'sectionlist'}})    676     foreach $section (@{$args{'sectionlist'}}) {
704         print ".SH \"$section\"\n";            !! 677         print ".SH \"$section\"\n";
705         output_highlight($args{'sections'}{$se !! 678         output_highlight($args{'sections'}{$section});
706     }                                             679     }
707 }                                                 680 }
708                                                   681 
709 sub output_blockhead_man(%) {                     682 sub output_blockhead_man(%) {
710     my %args = %{$_[0]};                          683     my %args = %{$_[0]};
711     my ($parameter, $section);                    684     my ($parameter, $section);
712     my $count;                                    685     my $count;
713                                                   686 
714     print ".TH \"$args{'module'}\" 9 \"$args{'    687     print ".TH \"$args{'module'}\" 9 \"$args{'module'}\" \"$man_date\" \"API Manual\" LINUX\n";
715                                                   688 
716     foreach $section (@{$args{'sectionlist'}})    689     foreach $section (@{$args{'sectionlist'}}) {
717         print ".SH \"$section\"\n";            !! 690         print ".SH \"$section\"\n";
718         output_highlight($args{'sections'}{$se !! 691         output_highlight($args{'sections'}{$section});
719     }                                             692     }
720 }                                                 693 }
721                                                   694 
722 ##                                                695 ##
723 # output in restructured text                     696 # output in restructured text
724 #                                                 697 #
725                                                   698 
726 #                                                 699 #
727 # This could use some work; it's used to outpu    700 # This could use some work; it's used to output the DOC: sections, and
728 # starts by putting out the name of the doc se    701 # starts by putting out the name of the doc section itself, but that tends
729 # to duplicate a header already in the templat    702 # to duplicate a header already in the template file.
730 #                                                 703 #
731 sub output_blockhead_rst(%) {                     704 sub output_blockhead_rst(%) {
732     my %args = %{$_[0]};                          705     my %args = %{$_[0]};
733     my ($parameter, $section);                    706     my ($parameter, $section);
734                                                   707 
735     foreach $section (@{$args{'sectionlist'}})    708     foreach $section (@{$args{'sectionlist'}}) {
736         next if (defined($nosymbol_table{$sect !! 709         next if (defined($nosymbol_table{$section}));
737                                                   710 
738         if ($output_selection != OUTPUT_INCLUD !! 711         if ($output_selection != OUTPUT_INCLUDE) {
739             print ".. _$section:\n\n";         !! 712             print ".. _$section:\n\n";
740             print "**$section**\n\n";          !! 713             print "**$section**\n\n";
741         }                                      !! 714         }
742         print_lineno($section_start_lines{$sec    715         print_lineno($section_start_lines{$section});
743         output_highlight_rst($args{'sections'} !! 716         output_highlight_rst($args{'sections'}{$section});
744         print "\n";                            !! 717         print "\n";
745     }                                             718     }
746 }                                                 719 }
747                                                   720 
748 #                                                 721 #
749 # Apply the RST highlights to a sub-block of t    722 # Apply the RST highlights to a sub-block of text.
750 #                                                 723 #
751 sub highlight_block($) {                          724 sub highlight_block($) {
752     # The dohighlight kludge requires the text    725     # The dohighlight kludge requires the text be called $contents
753     my $contents = shift;                         726     my $contents = shift;
754     eval $dohighlight;                            727     eval $dohighlight;
755     die $@ if $@;                                 728     die $@ if $@;
756     return $contents;                             729     return $contents;
757 }                                                 730 }
758                                                   731 
759 #                                                 732 #
760 # Regexes used only here.                         733 # Regexes used only here.
761 #                                                 734 #
762 my $sphinx_literal = '^[^.].*::$';                735 my $sphinx_literal = '^[^.].*::$';
763 my $sphinx_cblock = '^\.\.\ +code-block::';       736 my $sphinx_cblock = '^\.\.\ +code-block::';
764                                                   737 
765 sub output_highlight_rst {                        738 sub output_highlight_rst {
766     my $input = join "\n",@_;                     739     my $input = join "\n",@_;
767     my $output = "";                              740     my $output = "";
768     my $line;                                     741     my $line;
769     my $in_literal = 0;                           742     my $in_literal = 0;
770     my $litprefix;                                743     my $litprefix;
771     my $block = "";                               744     my $block = "";
772                                                   745 
773     foreach $line (split "\n",$input) {           746     foreach $line (split "\n",$input) {
774         #                                      !! 747         #
775         # If we're in a literal block, see if  !! 748         # If we're in a literal block, see if we should drop out
776         # of it.  Otherwise pass the line stra !! 749         # of it.  Otherwise pass the line straight through unmunged.
777         #                                      !! 750         #
778         if ($in_literal) {                     !! 751         if ($in_literal) {
779             if (! ($line =~ /^\s*$/)) {        !! 752             if (! ($line =~ /^\s*$/)) {
780                 #                              !! 753                 #
781                 # If this is the first non-bla !! 754                 # If this is the first non-blank line in a literal
782                 # block we need to figure out  !! 755                 # block we need to figure out what the proper indent is.
783                 #                              !! 756                 #
784                 if ($litprefix eq "") {        !! 757                 if ($litprefix eq "") {
785                     $line =~ /^(\s*)/;         !! 758                     $line =~ /^(\s*)/;
786                     $litprefix = '^' . $1;     !! 759                     $litprefix = '^' . $1;
787                     $output .= $line . "\n";   !! 760                     $output .= $line . "\n";
788                 } elsif (! ($line =~ /$litpref !! 761                 } elsif (! ($line =~ /$litprefix/)) {
789                     $in_literal = 0;           !! 762                     $in_literal = 0;
790                 } else {                       !! 763                 } else {
791                     $output .= $line . "\n";   !! 764                     $output .= $line . "\n";
792                 }                              !! 765                 }
793             } else {                           !! 766             } else {
794                 $output .= $line . "\n";       !! 767                 $output .= $line . "\n";
795             }                                  !! 768             }
796         }                                      !! 769         }
797         #                                      !! 770         #
798         # Not in a literal block (or just drop !! 771         # Not in a literal block (or just dropped out)
799         #                                      !! 772         #
800         if (! $in_literal) {                   !! 773         if (! $in_literal) {
801             $block .= $line . "\n";            !! 774             $block .= $line . "\n";
802             if (($line =~ /$sphinx_literal/) | !! 775             if (($line =~ /$sphinx_literal/) || ($line =~ /$sphinx_cblock/)) {
803                 $in_literal = 1;               !! 776                 $in_literal = 1;
804                 $litprefix = "";               !! 777                 $litprefix = "";
805                 $output .= highlight_block($bl !! 778                 $output .= highlight_block($block);
806                 $block = ""                    !! 779                 $block = ""
807             }                                  !! 780             }
808         }                                      !! 781         }
809     }                                             782     }
810                                                   783 
811     if ($block) {                                 784     if ($block) {
812         $output .= highlight_block($block);    !! 785         $output .= highlight_block($block);
813     }                                             786     }
814     foreach $line (split "\n", $output) {         787     foreach $line (split "\n", $output) {
815         print $lineprefix . $line . "\n";      !! 788         print $lineprefix . $line . "\n";
816     }                                             789     }
817 }                                                 790 }
818                                                   791 
819 sub output_function_rst(%) {                      792 sub output_function_rst(%) {
820     my %args = %{$_[0]};                          793     my %args = %{$_[0]};
821     my ($parameter, $section);                    794     my ($parameter, $section);
822     my $oldprefix = $lineprefix;                  795     my $oldprefix = $lineprefix;
                                                   >> 796     my $start = "";
                                                   >> 797     my $is_macro = 0;
823                                                   798 
824     my $signature = "";                        !! 799     if ($sphinx_major < 3) {
                                                   >> 800         if ($args{'typedef'}) {
                                                   >> 801             print ".. c:type:: ". $args{'function'} . "\n\n";
                                                   >> 802             print_lineno($declaration_start_line);
                                                   >> 803             print "   **Typedef**: ";
                                                   >> 804             $lineprefix = "";
                                                   >> 805             output_highlight_rst($args{'purpose'});
                                                   >> 806             $start = "\n\n**Syntax**\n\n  ``";
                                                   >> 807             $is_macro = 1;
                                                   >> 808         } else {
                                                   >> 809             print ".. c:function:: ";
                                                   >> 810         }
                                                   >> 811     } else {
                                                   >> 812         if ($args{'typedef'} || $args{'functiontype'} eq "") {
                                                   >> 813             $is_macro = 1;
                                                   >> 814             print ".. c:macro:: ". $args{'function'} . "\n\n";
                                                   >> 815         } else {
                                                   >> 816             print ".. c:function:: ";
                                                   >> 817         }
                                                   >> 818 
                                                   >> 819         if ($args{'typedef'}) {
                                                   >> 820             print_lineno($declaration_start_line);
                                                   >> 821             print "   **Typedef**: ";
                                                   >> 822             $lineprefix = "";
                                                   >> 823             output_highlight_rst($args{'purpose'});
                                                   >> 824             $start = "\n\n**Syntax**\n\n  ``";
                                                   >> 825         } else {
                                                   >> 826             print "``" if ($is_macro);
                                                   >> 827         }
                                                   >> 828     }
825     if ($args{'functiontype'} ne "") {            829     if ($args{'functiontype'} ne "") {
826         $signature = $args{'functiontype'} . " !! 830         $start .= $args{'functiontype'} . " " . $args{'function'} . " (";
827     } else {                                      831     } else {
828         $signature = $args{'function'} . " ("; !! 832         $start .= $args{'function'} . " (";
829     }                                             833     }
                                                   >> 834     print $start;
830                                                   835 
831     my $count = 0;                                836     my $count = 0;
832     foreach my $parameter (@{$args{'parameterl    837     foreach my $parameter (@{$args{'parameterlist'}}) {
833         if ($count ne 0) {                     !! 838         if ($count ne 0) {
834             $signature .= ", ";                !! 839             print ", ";
835         }                                      !! 840         }
836         $count++;                              !! 841         $count++;
837         $type = $args{'parametertypes'}{$param !! 842         $type = $args{'parametertypes'}{$parameter};
838                                                !! 843 
839         if ($type =~ m/$function_pointer/) {   !! 844         if ($type =~ m/$function_pointer/) {
840             # pointer-to-function              !! 845             # pointer-to-function
841             $signature .= $1 . $parameter . ") !! 846             print $1 . $parameter . ") (" . $2 . ")";
842         } else {                               !! 847         } else {
843             $signature .= $type;               !! 848             print $type;
844         }                                      !! 849         }
845     }                                             850     }
846                                                !! 851     if ($is_macro) {
847     $signature .= ")";                         !! 852         print ")``\n\n";
848                                                << 
849     if ($sphinx_major < 3) {                   << 
850         if ($args{'typedef'}) {                << 
851             print ".. c:type:: ". $args{'funct << 
852             print_lineno($declaration_start_li << 
853             print "   **Typedef**: ";          << 
854             $lineprefix = "";                  << 
855             output_highlight_rst($args{'purpos << 
856             print "\n\n**Syntax**\n\n";        << 
857             print "  ``$signature``\n\n";      << 
858         } else {                               << 
859             print ".. c:function:: $signature\ << 
860         }                                      << 
861     } else {                                      853     } else {
862         if ($args{'typedef'} || $args{'functio !! 854         print ")\n\n";
863             print ".. c:macro:: ". $args{'func << 
864                                                << 
865             if ($args{'typedef'}) {            << 
866                 print_lineno($declaration_star << 
867                 print "   **Typedef**: ";      << 
868                 $lineprefix = "";              << 
869                 output_highlight_rst($args{'pu << 
870                 print "\n\n**Syntax**\n\n";    << 
871                 print "  ``$signature``\n\n";  << 
872             } else {                           << 
873                 print "``$signature``\n\n";    << 
874             }                                  << 
875         } else {                               << 
876             print ".. c:function:: $signature\ << 
877         }                                      << 
878     }                                             855     }
879                                                << 
880     if (!$args{'typedef'}) {                      856     if (!$args{'typedef'}) {
881         print_lineno($declaration_start_line); !! 857         print_lineno($declaration_start_line);
882         $lineprefix = "   ";                   !! 858         $lineprefix = "   ";
883         output_highlight_rst($args{'purpose'}) !! 859         output_highlight_rst($args{'purpose'});
884         print "\n";                            !! 860         print "\n";
885     }                                             861     }
886                                                   862 
887     #                                          !! 863     print "**Parameters**\n\n";
888     # Put our descriptive text into a containe << 
889     # set the function prototypes apart.       << 
890     #                                          << 
891     print ".. container:: kernelindent\n\n";   << 
892     $lineprefix = "  ";                           864     $lineprefix = "  ";
893     print $lineprefix . "**Parameters**\n\n";  << 
894     foreach $parameter (@{$args{'parameterlist    865     foreach $parameter (@{$args{'parameterlist'}}) {
895         my $parameter_name = $parameter;       !! 866         my $parameter_name = $parameter;
896         $parameter_name =~ s/\[.*//;           !! 867         $parameter_name =~ s/\[.*//;
897         $type = $args{'parametertypes'}{$param !! 868         $type = $args{'parametertypes'}{$parameter};
898                                                !! 869 
899         if ($type ne "") {                     !! 870         if ($type ne "") {
900             print $lineprefix . "``$type``\n"; !! 871             print "``$type``\n";
901         } else {                               !! 872         } else {
902             print $lineprefix . "``$parameter` !! 873             print "``$parameter``\n";
903         }                                      !! 874         }
904                                                   875 
905         print_lineno($parameterdesc_start_line    876         print_lineno($parameterdesc_start_lines{$parameter_name});
906                                                   877 
907         $lineprefix = "    ";                  !! 878         if (defined($args{'parameterdescs'}{$parameter_name}) &&
908         if (defined($args{'parameterdescs'}{$p !! 879             $args{'parameterdescs'}{$parameter_name} ne $undescribed) {
909             $args{'parameterdescs'}{$parameter !! 880             output_highlight_rst($args{'parameterdescs'}{$parameter_name});
910             output_highlight_rst($args{'parame !! 881         } else {
911         } else {                               !! 882             print "  *undescribed*\n";
912             print $lineprefix . "*undescribed* !! 883         }
913         }                                      !! 884         print "\n";
914         $lineprefix = "  ";                    << 
915         print "\n";                            << 
916     }                                             885     }
917                                                   886 
918     output_section_rst(@_);                    << 
919     $lineprefix = $oldprefix;                     887     $lineprefix = $oldprefix;
                                                   >> 888     output_section_rst(@_);
920 }                                                 889 }
921                                                   890 
922 sub output_section_rst(%) {                       891 sub output_section_rst(%) {
923     my %args = %{$_[0]};                          892     my %args = %{$_[0]};
924     my $section;                                  893     my $section;
925     my $oldprefix = $lineprefix;                  894     my $oldprefix = $lineprefix;
                                                   >> 895     $lineprefix = "";
926                                                   896 
927     foreach $section (@{$args{'sectionlist'}})    897     foreach $section (@{$args{'sectionlist'}}) {
928         print $lineprefix . "**$section**\n\n" !! 898         print "**$section**\n\n";
929         print_lineno($section_start_lines{$sec    899         print_lineno($section_start_lines{$section});
930         output_highlight_rst($args{'sections'} !! 900         output_highlight_rst($args{'sections'}{$section});
931         print "\n";                            !! 901         print "\n";
932     }                                             902     }
933     print "\n";                                   903     print "\n";
                                                   >> 904     $lineprefix = $oldprefix;
934 }                                                 905 }
935                                                   906 
936 sub output_enum_rst(%) {                          907 sub output_enum_rst(%) {
937     my %args = %{$_[0]};                          908     my %args = %{$_[0]};
938     my ($parameter);                              909     my ($parameter);
939     my $oldprefix = $lineprefix;                  910     my $oldprefix = $lineprefix;
940     my $count;                                    911     my $count;
941     my $outer;                                 << 
942                                                   912 
943     if ($sphinx_major < 3) {                      913     if ($sphinx_major < 3) {
944         my $name = "enum " . $args{'enum'};    !! 914         my $name = "enum " . $args{'enum'};
945         print "\n\n.. c:type:: " . $name . "\n !! 915         print "\n\n.. c:type:: " . $name . "\n\n";
946     } else {                                      916     } else {
947         my $name = $args{'enum'};              !! 917         my $name = $args{'enum'};
948         print "\n\n.. c:enum:: " . $name . "\n !! 918         print "\n\n.. c:enum:: " . $name . "\n\n";
949     }                                             919     }
950     print_lineno($declaration_start_line);        920     print_lineno($declaration_start_line);
951     $lineprefix = "  ";                        !! 921     $lineprefix = "   ";
952     output_highlight_rst($args{'purpose'});       922     output_highlight_rst($args{'purpose'});
953     print "\n";                                   923     print "\n";
954                                                   924 
955     print ".. container:: kernelindent\n\n";   !! 925     print "**Constants**\n\n";
956     $outer = $lineprefix . "  ";               !! 926     $lineprefix = "  ";
957     $lineprefix = $outer . "  ";               << 
958     print $outer . "**Constants**\n\n";        << 
959     foreach $parameter (@{$args{'parameterlist    927     foreach $parameter (@{$args{'parameterlist'}}) {
960         print $outer . "``$parameter``\n";     !! 928         print "``$parameter``\n";
961                                                !! 929         if ($args{'parameterdescs'}{$parameter} ne $undescribed) {
962         if ($args{'parameterdescs'}{$parameter !! 930             output_highlight_rst($args{'parameterdescs'}{$parameter});
963             output_highlight_rst($args{'parame !! 931         } else {
964         } else {                               !! 932             print "  *undescribed*\n";
965             print $lineprefix . "*undescribed* !! 933         }
966         }                                      !! 934         print "\n";
967         print "\n";                            << 
968     }                                             935     }
969     print "\n";                                !! 936 
970     $lineprefix = $oldprefix;                     937     $lineprefix = $oldprefix;
971     output_section_rst(@_);                       938     output_section_rst(@_);
972 }                                                 939 }
973                                                   940 
974 sub output_typedef_rst(%) {                       941 sub output_typedef_rst(%) {
975     my %args = %{$_[0]};                          942     my %args = %{$_[0]};
976     my ($parameter);                              943     my ($parameter);
977     my $oldprefix = $lineprefix;                  944     my $oldprefix = $lineprefix;
978     my $name;                                     945     my $name;
979                                                   946 
980     if ($sphinx_major < 3) {                      947     if ($sphinx_major < 3) {
981         $name = "typedef " . $args{'typedef'}; !! 948         $name = "typedef " . $args{'typedef'};
982     } else {                                      949     } else {
983         $name = $args{'typedef'};              !! 950         $name = $args{'typedef'};
984     }                                             951     }
985     print "\n\n.. c:type:: " . $name . "\n\n";    952     print "\n\n.. c:type:: " . $name . "\n\n";
986     print_lineno($declaration_start_line);        953     print_lineno($declaration_start_line);
987     $lineprefix = "   ";                          954     $lineprefix = "   ";
988     output_highlight_rst($args{'purpose'});       955     output_highlight_rst($args{'purpose'});
989     print "\n";                                   956     print "\n";
990                                                   957 
991     $lineprefix = $oldprefix;                     958     $lineprefix = $oldprefix;
992     output_section_rst(@_);                       959     output_section_rst(@_);
993 }                                                 960 }
994                                                   961 
995 sub output_struct_rst(%) {                        962 sub output_struct_rst(%) {
996     my %args = %{$_[0]};                          963     my %args = %{$_[0]};
997     my ($parameter);                              964     my ($parameter);
998     my $oldprefix = $lineprefix;                  965     my $oldprefix = $lineprefix;
999                                                   966 
1000     if ($sphinx_major < 3) {                     967     if ($sphinx_major < 3) {
1001         my $name = $args{'type'} . " " . $arg !! 968         my $name = $args{'type'} . " " . $args{'struct'};
1002         print "\n\n.. c:type:: " . $name . "\ !! 969         print "\n\n.. c:type:: " . $name . "\n\n";
1003     } else {                                     970     } else {
1004         my $name = $args{'struct'};           !! 971         my $name = $args{'struct'};
1005         if ($args{'type'} eq 'union') {       !! 972         if ($args{'type'} eq 'union') {
1006             print "\n\n.. c:union:: " . $name !! 973             print "\n\n.. c:union:: " . $name . "\n\n";
1007         } else {                              !! 974         } else {
1008             print "\n\n.. c:struct:: " . $nam !! 975             print "\n\n.. c:struct:: " . $name . "\n\n";
1009         }                                     !! 976         }
1010     }                                            977     }
1011     print_lineno($declaration_start_line);       978     print_lineno($declaration_start_line);
1012     $lineprefix = "  ";                       !! 979     $lineprefix = "   ";
1013     output_highlight_rst($args{'purpose'});      980     output_highlight_rst($args{'purpose'});
1014     print "\n";                                  981     print "\n";
1015                                                  982 
1016     print ".. container:: kernelindent\n\n";  !! 983     print "**Definition**\n\n";
1017     print $lineprefix . "**Definition**::\n\n !! 984     print "::\n\n";
1018     my $declaration = $args{'definition'};       985     my $declaration = $args{'definition'};
1019     $lineprefix = $lineprefix . "  ";         !! 986     $declaration =~ s/\t/  /g;
1020     $declaration =~ s/\t/$lineprefix/g;       !! 987     print "  " . $args{'type'} . " " . $args{'struct'} . " {\n$declaration  };\n\n";
1021     print $lineprefix . $args{'type'} . " " . << 
1022                                                  988 
                                                   >> 989     print "**Members**\n\n";
1023     $lineprefix = "  ";                          990     $lineprefix = "  ";
1024     print $lineprefix . "**Members**\n\n";    << 
1025     foreach $parameter (@{$args{'parameterlis    991     foreach $parameter (@{$args{'parameterlist'}}) {
1026         ($parameter =~ /^#/) && next;         !! 992         ($parameter =~ /^#/) && next;
1027                                                  993 
1028         my $parameter_name = $parameter;      !! 994         my $parameter_name = $parameter;
1029         $parameter_name =~ s/\[.*//;          !! 995         $parameter_name =~ s/\[.*//;
1030                                                  996 
1031         ($args{'parameterdescs'}{$parameter_n !! 997         ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next;
1032         $type = $args{'parametertypes'}{$para !! 998         $type = $args{'parametertypes'}{$parameter};
1033         print_lineno($parameterdesc_start_lin    999         print_lineno($parameterdesc_start_lines{$parameter_name});
1034         print $lineprefix . "``" . $parameter !! 1000         print "``" . $parameter . "``\n";
1035         $lineprefix = "    ";                 !! 1001         output_highlight_rst($args{'parameterdescs'}{$parameter_name});
1036         output_highlight_rst($args{'parameter !! 1002         print "\n";
1037         $lineprefix = "  ";                   << 
1038         print "\n";                           << 
1039     }                                            1003     }
1040     print "\n";                                  1004     print "\n";
1041                                                  1005 
1042     $lineprefix = $oldprefix;                    1006     $lineprefix = $oldprefix;
1043     output_section_rst(@_);                      1007     output_section_rst(@_);
1044 }                                                1008 }
1045                                                  1009 
1046 ## none mode output functions                    1010 ## none mode output functions
1047                                                  1011 
1048 sub output_function_none(%) {                    1012 sub output_function_none(%) {
1049 }                                                1013 }
1050                                                  1014 
1051 sub output_enum_none(%) {                        1015 sub output_enum_none(%) {
1052 }                                                1016 }
1053                                                  1017 
1054 sub output_typedef_none(%) {                     1018 sub output_typedef_none(%) {
1055 }                                                1019 }
1056                                                  1020 
1057 sub output_struct_none(%) {                      1021 sub output_struct_none(%) {
1058 }                                                1022 }
1059                                                  1023 
1060 sub output_blockhead_none(%) {                   1024 sub output_blockhead_none(%) {
1061 }                                                1025 }
1062                                                  1026 
1063 ##                                               1027 ##
1064 # generic output function for all types (func    1028 # generic output function for all types (function, struct/union, typedef, enum);
1065 # calls the generated, variable output_ funct    1029 # calls the generated, variable output_ function name based on
1066 # functype and output_mode                       1030 # functype and output_mode
1067 sub output_declaration {                         1031 sub output_declaration {
1068     no strict 'refs';                            1032     no strict 'refs';
1069     my $name = shift;                            1033     my $name = shift;
1070     my $functype = shift;                        1034     my $functype = shift;
1071     my $func = "output_${functype}_$output_mo    1035     my $func = "output_${functype}_$output_mode";
1072                                                  1036 
1073     return if (defined($nosymbol_table{$name}    1037     return if (defined($nosymbol_table{$name}));
1074                                                  1038 
1075     if (($output_selection == OUTPUT_ALL) ||     1039     if (($output_selection == OUTPUT_ALL) ||
1076         (($output_selection == OUTPUT_INCLUDE !! 1040         (($output_selection == OUTPUT_INCLUDE ||
1077           $output_selection == OUTPUT_EXPORTE !! 1041           $output_selection == OUTPUT_EXPORTED) &&
1078          defined($function_table{$name})) ||  !! 1042          defined($function_table{$name})) ||
1079         ($output_selection == OUTPUT_INTERNAL !! 1043         ($output_selection == OUTPUT_INTERNAL &&
1080          !($functype eq "function" && defined !! 1044          !($functype eq "function" && defined($function_table{$name}))))
1081     {                                            1045     {
1082         &$func(@_);                           !! 1046         &$func(@_);
1083         $section_counter++;                   !! 1047         $section_counter++;
1084     }                                            1048     }
1085 }                                                1049 }
1086                                                  1050 
1087 ##                                               1051 ##
1088 # generic output function - calls the right o    1052 # generic output function - calls the right one based on current output mode.
1089 sub output_blockhead {                           1053 sub output_blockhead {
1090     no strict 'refs';                            1054     no strict 'refs';
1091     my $func = "output_blockhead_" . $output_    1055     my $func = "output_blockhead_" . $output_mode;
1092     &$func(@_);                                  1056     &$func(@_);
1093     $section_counter++;                          1057     $section_counter++;
1094 }                                                1058 }
1095                                                  1059 
1096 ##                                               1060 ##
1097 # takes a declaration (struct, union, enum, t    1061 # takes a declaration (struct, union, enum, typedef) and
1098 # invokes the right handler. NOT called for f    1062 # invokes the right handler. NOT called for functions.
1099 sub dump_declaration($$) {                       1063 sub dump_declaration($$) {
1100     no strict 'refs';                            1064     no strict 'refs';
1101     my ($prototype, $file) = @_;                 1065     my ($prototype, $file) = @_;
1102     my $func = "dump_" . $decl_type;             1066     my $func = "dump_" . $decl_type;
1103     &$func(@_);                                  1067     &$func(@_);
1104 }                                                1068 }
1105                                                  1069 
1106 sub dump_union($$) {                             1070 sub dump_union($$) {
1107     dump_struct(@_);                             1071     dump_struct(@_);
1108 }                                                1072 }
1109                                                  1073 
1110 sub dump_struct($$) {                            1074 sub dump_struct($$) {
1111     my $x = shift;                               1075     my $x = shift;
1112     my $file = shift;                            1076     my $file = shift;
1113     my $decl_type;                               1077     my $decl_type;
1114     my $members;                                 1078     my $members;
1115     my $type = qr{struct|union};                 1079     my $type = qr{struct|union};
1116     # For capturing struct/union definition b    1080     # For capturing struct/union definition body, i.e. "{members*}qualifiers*"
1117     my $qualifiers = qr{$attribute|__packed|_    1081     my $qualifiers = qr{$attribute|__packed|__aligned|____cacheline_aligned_in_smp|____cacheline_aligned};
1118     my $definition_body = qr{\{(.*)\}\s*$qual    1082     my $definition_body = qr{\{(.*)\}\s*$qualifiers*};
1119     my $struct_members = qr{($type)([^\{\};]+    1083     my $struct_members = qr{($type)([^\{\};]+)\{([^\{\}]*)\}([^\{\}\;]*)\;};
1120                                                  1084 
1121     if ($x =~ /($type)\s+(\w+)\s*$definition_    1085     if ($x =~ /($type)\s+(\w+)\s*$definition_body/) {
1122         $decl_type = $1;                      !! 1086         $decl_type = $1;
1123         $declaration_name = $2;               !! 1087         $declaration_name = $2;
1124         $members = $3;                        !! 1088         $members = $3;
1125     } elsif ($x =~ /typedef\s+($type)\s*$defi    1089     } elsif ($x =~ /typedef\s+($type)\s*$definition_body\s*(\w+)\s*;/) {
1126         $decl_type = $1;                      !! 1090         $decl_type = $1;
1127         $declaration_name = $3;               !! 1091         $declaration_name = $3;
1128         $members = $2;                        !! 1092         $members = $2;
1129     }                                            1093     }
1130                                                  1094 
1131     if ($members) {                              1095     if ($members) {
1132         if ($identifier ne $declaration_name) !! 1096         if ($identifier ne $declaration_name) {
1133             emit_warning("${file}:$.", "expec !! 1097             print STDERR "${file}:$.: warning: expecting prototype for $decl_type $identifier. Prototype was for $decl_type $declaration_name instead\n";
1134             return;                           !! 1098             return;
1135         }                                     !! 1099         }
1136                                               !! 1100 
1137         # ignore members marked private:      !! 1101         # ignore members marked private:
1138         $members =~ s/\/\*\s*private:.*?\/\*\ !! 1102         $members =~ s/\/\*\s*private:.*?\/\*\s*public:.*?\*\///gosi;
1139         $members =~ s/\/\*\s*private:.*//gosi !! 1103         $members =~ s/\/\*\s*private:.*//gosi;
1140         # strip comments:                     !! 1104         # strip comments:
1141         $members =~ s/\/\*.*?\*\///gos;       !! 1105         $members =~ s/\/\*.*?\*\///gos;
1142         # strip attributes                    !! 1106         # strip attributes
1143         $members =~ s/\s*$attribute/ /gi;     !! 1107         $members =~ s/\s*$attribute/ /gi;
1144         $members =~ s/\s*__aligned\s*\([^;]*\ !! 1108         $members =~ s/\s*__aligned\s*\([^;]*\)/ /gos;
1145         $members =~ s/\s*__counted_by\s*\([^; !! 1109         $members =~ s/\s*__packed\s*/ /gos;
1146         $members =~ s/\s*__counted_by_(le|be) !! 1110         $members =~ s/\s*CRYPTO_MINALIGN_ATTR/ /gos;
1147         $members =~ s/\s*__packed\s*/ /gos;   !! 1111         $members =~ s/\s*____cacheline_aligned_in_smp/ /gos;
1148         $members =~ s/\s*CRYPTO_MINALIGN_ATTR !! 1112         $members =~ s/\s*____cacheline_aligned/ /gos;
1149         $members =~ s/\s*____cacheline_aligne !! 1113         # unwrap struct_group():
1150         $members =~ s/\s*____cacheline_aligne !! 1114         # - first eat non-declaration parameters and rewrite for final match
1151         # unwrap struct_group():              !! 1115         # - then remove macro, outer parens, and trailing semicolon
1152         # - first eat non-declaration paramet !! 1116         $members =~ s/\bstruct_group\s*\(([^,]*,)/STRUCT_GROUP(/gos;
1153         # - then remove macro, outer parens,  !! 1117         $members =~ s/\bstruct_group_(attr|tagged)\s*\(([^,]*,){2}/STRUCT_GROUP(/gos;
1154         $members =~ s/\bstruct_group\s*\(([^, !! 1118         $members =~ s/\b__struct_group\s*\(([^,]*,){3}/STRUCT_GROUP(/gos;
1155         $members =~ s/\bstruct_group_attr\s*\ !! 1119         $members =~ s/\bSTRUCT_GROUP(\(((?:(?>[^)(]+)|(?1))*)\))[^;]*;/$2/gos;
1156         $members =~ s/\bstruct_group_tagged\s !! 1120 
1157         $members =~ s/\b__struct_group\s*\(([ !! 1121         my $args = qr{([^,)]+)};
1158         $members =~ s/\bSTRUCT_GROUP(\(((?:(? !! 1122         # replace DECLARE_BITMAP
1159                                               !! 1123         $members =~ s/__ETHTOOL_DECLARE_LINK_MODE_MASK\s*\(([^\)]+)\)/DECLARE_BITMAP($1, __ETHTOOL_LINK_MODE_MASK_NBITS)/gos;
1160         my $args = qr{([^,)]+)};              !! 1124         $members =~ s/DECLARE_PHY_INTERFACE_MASK\s*\(([^\)]+)\)/DECLARE_BITMAP($1, PHY_INTERFACE_MODE_MAX)/gos;
1161         # replace DECLARE_BITMAP              !! 1125         $members =~ s/DECLARE_BITMAP\s*\($args,\s*$args\)/unsigned long $1\[BITS_TO_LONGS($2)\]/gos;
1162         $members =~ s/__ETHTOOL_DECLARE_LINK_ !! 1126         # replace DECLARE_HASHTABLE
1163         $members =~ s/DECLARE_PHY_INTERFACE_M !! 1127         $members =~ s/DECLARE_HASHTABLE\s*\($args,\s*$args\)/unsigned long $1\[1 << (($2) - 1)\]/gos;
1164         $members =~ s/DECLARE_BITMAP\s*\($arg !! 1128         # replace DECLARE_KFIFO
1165         # replace DECLARE_HASHTABLE           !! 1129         $members =~ s/DECLARE_KFIFO\s*\($args,\s*$args,\s*$args\)/$2 \*$1/gos;
1166         $members =~ s/DECLARE_HASHTABLE\s*\($ !! 1130         # replace DECLARE_KFIFO_PTR
1167         # replace DECLARE_KFIFO               !! 1131         $members =~ s/DECLARE_KFIFO_PTR\s*\($args,\s*$args\)/$2 \*$1/gos;
1168         $members =~ s/DECLARE_KFIFO\s*\($args !! 1132         # replace DECLARE_FLEX_ARRAY
1169         # replace DECLARE_KFIFO_PTR           !! 1133         $members =~ s/(?:__)?DECLARE_FLEX_ARRAY\s*\($args,\s*$args\)/$1 $2\[\]/gos;
1170         $members =~ s/DECLARE_KFIFO_PTR\s*\($ !! 1134         my $declaration = $members;
1171         # replace DECLARE_FLEX_ARRAY          !! 1135 
1172         $members =~ s/(?:__)?DECLARE_FLEX_ARR !! 1136         # Split nested struct/union elements as newer ones
1173         #replace DEFINE_DMA_UNMAP_ADDR        !! 1137         while ($members =~ m/$struct_members/) {
1174         $members =~ s/DEFINE_DMA_UNMAP_ADDR\s !! 1138                 my $newmember;
1175         #replace DEFINE_DMA_UNMAP_LEN         !! 1139                 my $maintype = $1;
1176         $members =~ s/DEFINE_DMA_UNMAP_LEN\s* !! 1140                 my $ids = $4;
1177         my $declaration = $members;           !! 1141                 my $content = $3;
1178                                               !! 1142                 foreach my $id(split /,/, $ids) {
1179         # Split nested struct/union elements  !! 1143                         $newmember .= "$maintype $id; ";
1180         while ($members =~ m/$struct_members/ !! 1144 
1181             my $newmember;                    !! 1145                         $id =~ s/[:\[].*//;
1182             my $maintype = $1;                !! 1146                         $id =~ s/^\s*\**(\S+)\s*/$1/;
1183             my $ids = $4;                     !! 1147                         foreach my $arg (split /;/, $content) {
1184             my $content = $3;                 !! 1148                                 next if ($arg =~ m/^\s*$/);
1185             foreach my $id(split /,/, $ids) { !! 1149                                 if ($arg =~ m/^([^\(]+\(\*?\s*)([\w\.]*)(\s*\).*)/) {
1186                 $newmember .= "$maintype $id; !! 1150                                         # pointer-to-function
1187                                               !! 1151                                         my $type = $1;
1188                 $id =~ s/[:\[].*//;           !! 1152                                         my $name = $2;
1189                 $id =~ s/^\s*\**(\S+)\s*/$1/; !! 1153                                         my $extra = $3;
1190                 foreach my $arg (split /;/, $ !! 1154                                         next if (!$name);
1191                     next if ($arg =~ m/^\s*$/ !! 1155                                         if ($id =~ m/^\s*$/) {
1192                     if ($arg =~ m/^([^\(]+\(\ !! 1156                                                 # anonymous struct/union
1193                         # pointer-to-function !! 1157                                                 $newmember .= "$type$name$extra; ";
1194                         my $type = $1;        !! 1158                                         } else {
1195                         my $name = $2;        !! 1159                                                 $newmember .= "$type$id.$name$extra; ";
1196                         my $extra = $3;       !! 1160                                         }
1197                         next if (!$name);     !! 1161                                 } else {
1198                         if ($id =~ m/^\s*$/)  !! 1162                                         my $type;
1199                             # anonymous struc !! 1163                                         my $names;
1200                             $newmember .= "$t !! 1164                                         $arg =~ s/^\s+//;
1201                         } else {              !! 1165                                         $arg =~ s/\s+$//;
1202                             $newmember .= "$t !! 1166                                         # Handle bitmaps
1203                         }                     !! 1167                                         $arg =~ s/:\s*\d+\s*//g;
1204                     } else {                  !! 1168                                         # Handle arrays
1205                         my $type;             !! 1169                                         $arg =~ s/\[.*\]//g;
1206                         my $names;            !! 1170                                         # The type may have multiple words,
1207                         $arg =~ s/^\s+//;     !! 1171                                         # and multiple IDs can be defined, like:
1208                         $arg =~ s/\s+$//;     !! 1172                                         #       const struct foo, *bar, foobar
1209                         # Handle bitmaps      !! 1173                                         # So, we remove spaces when parsing the
1210                         $arg =~ s/:\s*\d+\s*/ !! 1174                                         # names, in order to match just names
1211                         # Handle arrays       !! 1175                                         # and commas for the names
1212                         $arg =~ s/\[.*\]//g;  !! 1176                                         $arg =~ s/\s*,\s*/,/g;
1213                         # The type may have m !! 1177                                         if ($arg =~ m/(.*)\s+([\S+,]+)/) {
1214                         # and multiple IDs ca !! 1178                                                 $type = $1;
1215                         #    const struct foo !! 1179                                                 $names = $2;
1216                         # So, we remove space !! 1180                                         } else {
1217                         # names, in order to  !! 1181                                                 $newmember .= "$arg; ";
1218                         # and commas for the  !! 1182                                                 next;
1219                         $arg =~ s/\s*,\s*/,/g !! 1183                                         }
1220                         if ($arg =~ m/(.*)\s+ !! 1184                                         foreach my $name (split /,/, $names) {
1221                             $type = $1;       !! 1185                                                 $name =~ s/^\s*\**(\S+)\s*/$1/;
1222                             $names = $2;      !! 1186                                                 next if (($name =~ m/^\s*$/));
1223                         } else {              !! 1187                                                 if ($id =~ m/^\s*$/) {
1224                             $newmember .= "$a !! 1188                                                         # anonymous struct/union
1225                             next;             !! 1189                                                         $newmember .= "$type $name; ";
1226                         }                     !! 1190                                                 } else {
1227                         foreach my $name (spl !! 1191                                                         $newmember .= "$type $id.$name; ";
1228                             $name =~ s/^\s*\* !! 1192                                                 }
1229                             next if (($name = !! 1193                                         }
1230                             if ($id =~ m/^\s* !! 1194                                 }
1231                                 # anonymous s !! 1195                         }
1232                                 $newmember .= !! 1196                 }
1233                             } else {          !! 1197                 $members =~ s/$struct_members/$newmember/;
1234                                 $newmember .= !! 1198         }
1235                             }                 !! 1199 
1236                         }                     !! 1200         # Ignore other nested elements, like enums
1237                     }                         !! 1201         $members =~ s/(\{[^\{\}]*\})//g;
1238                 }                             !! 1202 
1239             }                                 !! 1203         create_parameterlist($members, ';', $file, $declaration_name);
1240             $members =~ s/$struct_members/$ne !! 1204         check_sections($file, $declaration_name, $decl_type, $sectcheck, $struct_actual);
1241         }                                     !! 1205 
1242                                               !! 1206         # Adjust declaration for better display
1243         # Ignore other nested elements, like  !! 1207         $declaration =~ s/([\{;])/$1\n/g;
1244         $members =~ s/(\{[^\{\}]*\})//g;      !! 1208         $declaration =~ s/\}\s+;/};/g;
1245                                               !! 1209         # Better handle inlined enums
1246         create_parameterlist($members, ';', $ !! 1210         do {} while ($declaration =~ s/(enum\s+\{[^\}]+),([^\n])/$1,\n$2/);
1247         check_sections($file, $declaration_na !! 1211 
1248                                               !! 1212         my @def_args = split /\n/, $declaration;
1249         # Adjust declaration for better displ !! 1213         my $level = 1;
1250         $declaration =~ s/([\{;])/$1\n/g;     !! 1214         $declaration = "";
1251         $declaration =~ s/\}\s+;/};/g;        !! 1215         foreach my $clause (@def_args) {
1252         # Better handle inlined enums         !! 1216                 $clause =~ s/^\s+//;
1253         do {} while ($declaration =~ s/(enum\ !! 1217                 $clause =~ s/\s+$//;
1254                                               !! 1218                 $clause =~ s/\s+/ /;
1255         my @def_args = split /\n/, $declarati !! 1219                 next if (!$clause);
1256         my $level = 1;                        !! 1220                 $level-- if ($clause =~ m/(\})/ && $level > 1);
1257         $declaration = "";                    !! 1221                 if (!($clause =~ m/^\s*#/)) {
1258         foreach my $clause (@def_args) {      !! 1222                         $declaration .= "\t" x $level;
1259             $clause =~ s/^\s+//;              !! 1223                 }
1260             $clause =~ s/\s+$//;              !! 1224                 $declaration .= "\t" . $clause . "\n";
1261             $clause =~ s/\s+/ /;              !! 1225                 $level++ if ($clause =~ m/(\{)/ && !($clause =~m/\}/));
1262             next if (!$clause);               !! 1226         }
1263             $level-- if ($clause =~ m/(\})/ & !! 1227         output_declaration($declaration_name,
1264             if (!($clause =~ m/^\s*#/)) {     !! 1228                            'struct',
1265                 $declaration .= "\t" x $level !! 1229                            {'struct' => $declaration_name,
1266             }                                 !! 1230                             'module' => $modulename,
1267             $declaration .= "\t" . $clause .  !! 1231                             'definition' => $declaration,
1268             $level++ if ($clause =~ m/(\{)/ & !! 1232                             'parameterlist' => \@parameterlist,
1269         }                                     !! 1233                             'parameterdescs' => \%parameterdescs,
1270         output_declaration($declaration_name, !! 1234                             'parametertypes' => \%parametertypes,
1271                    'struct',                  !! 1235                             'sectionlist' => \@sectionlist,
1272                    {'struct' => $declaration_ !! 1236                             'sections' => \%sections,
1273                     'module' => $modulename,  !! 1237                             'purpose' => $declaration_purpose,
1274                     'definition' => $declarat !! 1238                             'type' => $decl_type
1275                     'parameterlist' => \@para !! 1239                            });
1276                     'parameterdescs' => \%par !! 1240     }
1277                     'parametertypes' => \%par !! 1241     else {
1278                     'sectionlist' => \@sectio !! 1242         print STDERR "${file}:$.: error: Cannot parse struct or union!\n";
1279                     'sections' => \%sections, !! 1243         ++$errors;
1280                     'purpose' => $declaration << 
1281                     'type' => $decl_type      << 
1282                    });                        << 
1283     } else {                                  << 
1284         print STDERR "${file}:$.: error: Cann << 
1285         ++$errors;                            << 
1286     }                                            1244     }
1287 }                                                1245 }
1288                                                  1246 
1289                                                  1247 
1290 sub show_warnings($$) {                          1248 sub show_warnings($$) {
1291     my $functype = shift;                     !! 1249         my $functype = shift;
1292     my $name = shift;                         !! 1250         my $name = shift;
1293                                                  1251 
1294     return 0 if (defined($nosymbol_table{$nam !! 1252         return 0 if (defined($nosymbol_table{$name}));
1295                                                  1253 
1296     return 1 if ($output_selection == OUTPUT_ !! 1254         return 1 if ($output_selection == OUTPUT_ALL);
1297                                                  1255 
1298     if ($output_selection == OUTPUT_EXPORTED) !! 1256         if ($output_selection == OUTPUT_EXPORTED) {
1299         if (defined($function_table{$name}))  !! 1257                 if (defined($function_table{$name})) {
1300             return 1;                         !! 1258                         return 1;
1301         } else {                              !! 1259                 } else {
1302             return 0;                         !! 1260                         return 0;
1303         }                                     !! 1261                 }
1304     }                                         !! 1262         }
1305     if ($output_selection == OUTPUT_INTERNAL) !! 1263         if ($output_selection == OUTPUT_INTERNAL) {
1306         if (!($functype eq "function" && defi !! 1264                 if (!($functype eq "function" && defined($function_table{$name}))) {
1307             return 1;                         !! 1265                         return 1;
1308         } else {                              !! 1266                 } else {
1309             return 0;                         !! 1267                         return 0;
1310         }                                     !! 1268                 }
1311     }                                         !! 1269         }
1312     if ($output_selection == OUTPUT_INCLUDE)  !! 1270         if ($output_selection == OUTPUT_INCLUDE) {
1313         if (defined($function_table{$name}))  !! 1271                 if (defined($function_table{$name})) {
1314             return 1;                         !! 1272                         return 1;
1315         } else {                              !! 1273                 } else {
1316             return 0;                         !! 1274                         return 0;
1317         }                                     !! 1275                 }
1318     }                                         !! 1276         }
1319     die("Please add the new output type at sh !! 1277         die("Please add the new output type at show_warnings()");
1320 }                                                1278 }
1321                                                  1279 
1322 sub dump_enum($$) {                              1280 sub dump_enum($$) {
1323     my $x = shift;                               1281     my $x = shift;
1324     my $file = shift;                            1282     my $file = shift;
1325     my $members;                                 1283     my $members;
1326                                                  1284 
1327     # ignore members marked private:          << 
1328     $x =~ s/\/\*\s*private:.*?\/\*\s*public:. << 
1329     $x =~ s/\/\*\s*private:.*}/}/gosi;        << 
1330                                                  1285 
1331     $x =~ s@/\*.*?\*/@@gos;     # strip comme    1286     $x =~ s@/\*.*?\*/@@gos;     # strip comments.
1332     # strip #define macros inside enums          1287     # strip #define macros inside enums
1333     $x =~ s@#\s*((define|ifdef|if)\s+|endif)[ !! 1288     $x =~ s@#\s*((define|ifdef)\s+|endif)[^;]*;@@gos;
1334                                                  1289 
1335     if ($x =~ /typedef\s+enum\s*\{(.*)\}\s*(\    1290     if ($x =~ /typedef\s+enum\s*\{(.*)\}\s*(\w*)\s*;/) {
1336         $declaration_name = $2;               !! 1291         $declaration_name = $2;
1337         $members = $1;                        !! 1292         $members = $1;
1338     } elsif ($x =~ /enum\s+(\w*)\s*\{(.*)\}/)    1293     } elsif ($x =~ /enum\s+(\w*)\s*\{(.*)\}/) {
1339         $declaration_name = $1;               !! 1294         $declaration_name = $1;
1340         $members = $2;                        !! 1295         $members = $2;
1341     }                                            1296     }
1342                                                  1297 
1343     if ($members) {                              1298     if ($members) {
1344         if ($identifier ne $declaration_name) !! 1299         if ($identifier ne $declaration_name) {
1345             if ($identifier eq "") {          !! 1300             if ($identifier eq "") {
1346                 emit_warning("${file}:$.", "w !! 1301                 print STDERR "${file}:$.: warning: wrong kernel-doc identifier on line:\n";
1347             } else {                          !! 1302             } else {
1348                 emit_warning("${file}:$.", "e !! 1303                 print STDERR "${file}:$.: warning: expecting prototype for enum $identifier. Prototype was for enum $declaration_name instead\n";
1349             }                                 !! 1304             }
1350             return;                           !! 1305             return;
1351         }                                     !! 1306         }
1352         $declaration_name = "(anonymous)" if  !! 1307         $declaration_name = "(anonymous)" if ($declaration_name eq "");
1353                                               !! 1308 
1354         my %_members;                         !! 1309         my %_members;
1355                                               !! 1310 
1356         $members =~ s/\s+$//;                 !! 1311         $members =~ s/\s+$//;
1357         $members =~ s/\([^;]*?[\)]//g;        !! 1312 
1358                                               !! 1313         foreach my $arg (split ',', $members) {
1359         foreach my $arg (split ',', $members) !! 1314             $arg =~ s/^\s*(\w+).*/$1/;
1360             $arg =~ s/^\s*(\w+).*/$1/;        !! 1315             push @parameterlist, $arg;
1361             push @parameterlist, $arg;        !! 1316             if (!$parameterdescs{$arg}) {
1362             if (!$parameterdescs{$arg}) {     !! 1317                 $parameterdescs{$arg} = $undescribed;
1363                 $parameterdescs{$arg} = $unde !! 1318                 if (show_warnings("enum", $declaration_name)) {
1364                 if (show_warnings("enum", $de !! 1319                         print STDERR "${file}:$.: warning: Enum value '$arg' not described in enum '$declaration_name'\n";
1365                     emit_warning("${file}:$." !! 1320                 }
1366                 }                             !! 1321             }
1367             }                                 !! 1322             $_members{$arg} = 1;
1368             $_members{$arg} = 1;              !! 1323         }
1369         }                                     !! 1324 
1370                                               !! 1325         while (my ($k, $v) = each %parameterdescs) {
1371         while (my ($k, $v) = each %parameterd !! 1326             if (!exists($_members{$k})) {
1372             if (!exists($_members{$k})) {     !! 1327                 if (show_warnings("enum", $declaration_name)) {
1373                 if (show_warnings("enum", $de !! 1328                      print STDERR "${file}:$.: warning: Excess enum value '$k' description in '$declaration_name'\n";
1374                     emit_warning("${file}:$." !! 1329                 }
1375                 }                             !! 1330             }
1376             }                                 !! 1331         }
1377         }                                     !! 1332 
1378                                               !! 1333         output_declaration($declaration_name,
1379         output_declaration($declaration_name, !! 1334                            'enum',
1380                            'enum',            !! 1335                            {'enum' => $declaration_name,
1381                            {'enum' => $declar !! 1336                             'module' => $modulename,
1382                             'module' => $modu !! 1337                             'parameterlist' => \@parameterlist,
1383                             'parameterlist' = !! 1338                             'parameterdescs' => \%parameterdescs,
1384                             'parameterdescs'  !! 1339                             'sectionlist' => \@sectionlist,
1385                             'sectionlist' =>  !! 1340                             'sections' => \%sections,
1386                             'sections' => \%s !! 1341                             'purpose' => $declaration_purpose
1387                             'purpose' => $dec !! 1342                            });
1388                            });                << 
1389     } else {                                     1343     } else {
1390         print STDERR "${file}:$.: error: Cann !! 1344         print STDERR "${file}:$.: error: Cannot parse enum!\n";
1391         ++$errors;                            !! 1345         ++$errors;
1392     }                                            1346     }
1393 }                                                1347 }
1394                                                  1348 
1395 my $typedef_type = qr { ((?:\s+[\w\*]+\b){1,8    1349 my $typedef_type = qr { ((?:\s+[\w\*]+\b){1,8})\s* }x;
1396 my $typedef_ident = qr { \*?\s*(\w\S+)\s* }x;    1350 my $typedef_ident = qr { \*?\s*(\w\S+)\s* }x;
1397 my $typedef_args = qr { \s*\((.*)\); }x;         1351 my $typedef_args = qr { \s*\((.*)\); }x;
1398                                                  1352 
1399 my $typedef1 = qr { typedef$typedef_type\($ty    1353 my $typedef1 = qr { typedef$typedef_type\($typedef_ident\)$typedef_args }x;
1400 my $typedef2 = qr { typedef$typedef_type$type    1354 my $typedef2 = qr { typedef$typedef_type$typedef_ident$typedef_args }x;
1401                                                  1355 
1402 sub dump_typedef($$) {                           1356 sub dump_typedef($$) {
1403     my $x = shift;                               1357     my $x = shift;
1404     my $file = shift;                            1358     my $file = shift;
1405                                                  1359 
1406     $x =~ s@/\*.*?\*/@@gos;     # strip comme    1360     $x =~ s@/\*.*?\*/@@gos;     # strip comments.
1407                                                  1361 
1408     # Parse function typedef prototypes          1362     # Parse function typedef prototypes
1409     if ($x =~ $typedef1 || $x =~ $typedef2) {    1363     if ($x =~ $typedef1 || $x =~ $typedef2) {
1410         $return_type = $1;                    !! 1364         $return_type = $1;
1411         $declaration_name = $2;               !! 1365         $declaration_name = $2;
1412         my $args = $3;                        !! 1366         my $args = $3;
1413         $return_type =~ s/^\s+//;             !! 1367         $return_type =~ s/^\s+//;
1414                                               !! 1368 
1415         if ($identifier ne $declaration_name) !! 1369         if ($identifier ne $declaration_name) {
1416             emit_warning("${file}:$.", "expec !! 1370             print STDERR "${file}:$.: warning: expecting prototype for typedef $identifier. Prototype was for typedef $declaration_name instead\n";
1417             return;                           !! 1371             return;
1418         }                                     !! 1372         }
1419                                               !! 1373 
1420         create_parameterlist($args, ',', $fil !! 1374         create_parameterlist($args, ',', $file, $declaration_name);
1421                                               !! 1375 
1422         output_declaration($declaration_name, !! 1376         output_declaration($declaration_name,
1423                            'function',        !! 1377                            'function',
1424                            {'function' => $de !! 1378                            {'function' => $declaration_name,
1425                             'typedef' => 1,   !! 1379                             'typedef' => 1,
1426                             'module' => $modu !! 1380                             'module' => $modulename,
1427                             'functiontype' => !! 1381                             'functiontype' => $return_type,
1428                             'parameterlist' = !! 1382                             'parameterlist' => \@parameterlist,
1429                             'parameterdescs'  !! 1383                             'parameterdescs' => \%parameterdescs,
1430                             'parametertypes'  !! 1384                             'parametertypes' => \%parametertypes,
1431                             'sectionlist' =>  !! 1385                             'sectionlist' => \@sectionlist,
1432                             'sections' => \%s !! 1386                             'sections' => \%sections,
1433                             'purpose' => $dec !! 1387                             'purpose' => $declaration_purpose
1434                            });                !! 1388                            });
1435         return;                               !! 1389         return;
1436     }                                            1390     }
1437                                                  1391 
1438     while (($x =~ /\(*.\)\s*;$/) || ($x =~ /\    1392     while (($x =~ /\(*.\)\s*;$/) || ($x =~ /\[*.\]\s*;$/)) {
1439         $x =~ s/\(*.\)\s*;$/;/;               !! 1393         $x =~ s/\(*.\)\s*;$/;/;
1440         $x =~ s/\[*.\]\s*;$/;/;               !! 1394         $x =~ s/\[*.\]\s*;$/;/;
1441     }                                            1395     }
1442                                                  1396 
1443     if ($x =~ /typedef.*\s+(\w+)\s*;/) {         1397     if ($x =~ /typedef.*\s+(\w+)\s*;/) {
1444         $declaration_name = $1;               !! 1398         $declaration_name = $1;
1445                                               << 
1446         if ($identifier ne $declaration_name) << 
1447             emit_warning("${file}:$.", "expec << 
1448             return;                           << 
1449         }                                     << 
1450                                                  1399 
1451         output_declaration($declaration_name, !! 1400         if ($identifier ne $declaration_name) {
1452                            'typedef',         !! 1401             print STDERR "${file}:$.: warning: expecting prototype for typedef $identifier. Prototype was for typedef $declaration_name instead\n";
1453                            {'typedef' => $dec !! 1402             return;
1454                             'module' => $modu !! 1403         }
1455                             'sectionlist' =>  !! 1404 
1456                             'sections' => \%s !! 1405         output_declaration($declaration_name,
1457                             'purpose' => $dec !! 1406                            'typedef',
1458                            });                !! 1407                            {'typedef' => $declaration_name,
1459     } else {                                  !! 1408                             'module' => $modulename,
1460         print STDERR "${file}:$.: error: Cann !! 1409                             'sectionlist' => \@sectionlist,
1461         ++$errors;                            !! 1410                             'sections' => \%sections,
                                                   >> 1411                             'purpose' => $declaration_purpose
                                                   >> 1412                            });
                                                   >> 1413     }
                                                   >> 1414     else {
                                                   >> 1415         print STDERR "${file}:$.: error: Cannot parse typedef!\n";
                                                   >> 1416         ++$errors;
1462     }                                            1417     }
1463 }                                                1418 }
1464                                                  1419 
1465 sub save_struct_actual($) {                      1420 sub save_struct_actual($) {
1466     my $actual = shift;                          1421     my $actual = shift;
1467                                                  1422 
1468     # strip all spaces from the actual param     1423     # strip all spaces from the actual param so that it looks like one string item
1469     $actual =~ s/\s*//g;                         1424     $actual =~ s/\s*//g;
1470     $struct_actual = $struct_actual . $actual    1425     $struct_actual = $struct_actual . $actual . " ";
1471 }                                                1426 }
1472                                                  1427 
1473 sub create_parameterlist($$$$) {                 1428 sub create_parameterlist($$$$) {
1474     my $args = shift;                            1429     my $args = shift;
1475     my $splitter = shift;                        1430     my $splitter = shift;
1476     my $file = shift;                            1431     my $file = shift;
1477     my $declaration_name = shift;                1432     my $declaration_name = shift;
1478     my $type;                                    1433     my $type;
1479     my $param;                                   1434     my $param;
1480                                                  1435 
1481     # temporarily replace commas inside funct    1436     # temporarily replace commas inside function pointer definition
1482     my $arg_expr = qr{\([^\),]+};                1437     my $arg_expr = qr{\([^\),]+};
1483     while ($args =~ /$arg_expr,/) {              1438     while ($args =~ /$arg_expr,/) {
1484         $args =~ s/($arg_expr),/$1#/g;        !! 1439         $args =~ s/($arg_expr),/$1#/g;
1485     }                                            1440     }
1486                                                  1441 
1487     foreach my $arg (split($splitter, $args))    1442     foreach my $arg (split($splitter, $args)) {
1488         # strip comments                      !! 1443         # strip comments
1489         $arg =~ s/\/\*.*\*\///;               !! 1444         $arg =~ s/\/\*.*\*\///;
1490         # ignore argument attributes          !! 1445         # strip leading/trailing spaces
1491         $arg =~ s/\sPOS0?\s/ /;               !! 1446         $arg =~ s/^\s*//;
1492         # strip leading/trailing spaces       !! 1447         $arg =~ s/\s*$//;
1493         $arg =~ s/^\s*//;                     !! 1448         $arg =~ s/\s+/ /;
1494         $arg =~ s/\s*$//;                     !! 1449 
1495         $arg =~ s/\s+/ /;                     !! 1450         if ($arg =~ /^#/) {
1496                                               !! 1451             # Treat preprocessor directive as a typeless variable just to fill
1497         if ($arg =~ /^#/) {                   !! 1452             # corresponding data structures "correctly". Catch it later in
1498             # Treat preprocessor directive as !! 1453             # output_* subs.
1499             # corresponding data structures " !! 1454             push_parameter($arg, "", "", $file);
1500             # output_* subs.                  !! 1455         } elsif ($arg =~ m/\(.+\)\s*\(/) {
1501             push_parameter($arg, "", "", $fil !! 1456             # pointer-to-function
1502         } elsif ($arg =~ m/\(.+\)\s*\(/) {    !! 1457             $arg =~ tr/#/,/;
1503             # pointer-to-function             !! 1458             $arg =~ m/[^\(]+\(\*?\s*([\w\[\]\.]*)\s*\)/;
1504             $arg =~ tr/#/,/;                  !! 1459             $param = $1;
1505             $arg =~ m/[^\(]+\(\*?\s*([\w\[\]\ !! 1460             $type = $arg;
1506             $param = $1;                      !! 1461             $type =~ s/([^\(]+\(\*?)\s*$param/$1/;
1507             $type = $arg;                     !! 1462             save_struct_actual($param);
1508             $type =~ s/([^\(]+\(\*?)\s*$param !! 1463             push_parameter($param, $type, $arg, $file, $declaration_name);
1509             save_struct_actual($param);       !! 1464         } elsif ($arg) {
1510             push_parameter($param, $type, $ar !! 1465             $arg =~ s/\s*:\s*/:/g;
1511         } elsif ($arg =~ m/\(.+\)\s*\[/) {    !! 1466             $arg =~ s/\s*\[/\[/g;
1512             # array-of-pointers               !! 1467 
1513             $arg =~ tr/#/,/;                  !! 1468             my @args = split('\s*,\s*', $arg);
1514             $arg =~ m/[^\(]+\(\s*\*\s*([\w\[\ !! 1469             if ($args[0] =~ m/\*/) {
1515             $param = $1;                      !! 1470                 $args[0] =~ s/(\*+)\s*/ $1/;
1516             $type = $arg;                     !! 1471             }
1517             $type =~ s/([^\(]+\(\*?)\s*$param !! 1472 
1518             save_struct_actual($param);       !! 1473             my @first_arg;
1519             push_parameter($param, $type, $ar !! 1474             if ($args[0] =~ /^(.*\s+)(.*?\[.*\].*)$/) {
1520         } elsif ($arg) {                      !! 1475                     shift @args;
1521             $arg =~ s/\s*:\s*/:/g;            !! 1476                     push(@first_arg, split('\s+', $1));
1522             $arg =~ s/\s*\[/\[/g;             !! 1477                     push(@first_arg, $2);
1523                                               !! 1478             } else {
1524             my @args = split('\s*,\s*', $arg) !! 1479                     @first_arg = split('\s+', shift @args);
1525             if ($args[0] =~ m/\*/) {          !! 1480             }
1526                 $args[0] =~ s/(\*+)\s*/ $1/;  !! 1481 
1527             }                                 !! 1482             unshift(@args, pop @first_arg);
1528                                               !! 1483             $type = join " ", @first_arg;
1529             my @first_arg;                    !! 1484 
1530             if ($args[0] =~ /^(.*\s+)(.*?\[.* !! 1485             foreach $param (@args) {
1531                 shift @args;                  !! 1486                 if ($param =~ m/^(\*+)\s*(.*)/) {
1532                 push(@first_arg, split('\s+', !! 1487                     save_struct_actual($2);
1533                 push(@first_arg, $2);         !! 1488 
1534             } else {                          !! 1489                     push_parameter($2, "$type $1", $arg, $file, $declaration_name);
1535                 @first_arg = split('\s+', shi !! 1490                 }
1536             }                                 !! 1491                 elsif ($param =~ m/(.*?):(\d+)/) {
1537                                               !! 1492                     if ($type ne "") { # skip unnamed bit-fields
1538             unshift(@args, pop @first_arg);   !! 1493                         save_struct_actual($1);
1539             $type = join " ", @first_arg;     !! 1494                         push_parameter($1, "$type:$2", $arg, $file, $declaration_name)
1540                                               !! 1495                     }
1541             foreach $param (@args) {          !! 1496                 }
1542                 if ($param =~ m/^(\*+)\s*(.*) !! 1497                 else {
1543                     save_struct_actual($2);   !! 1498                     save_struct_actual($param);
1544                                               !! 1499                     push_parameter($param, $type, $arg, $file, $declaration_name);
1545                     push_parameter($2, "$type !! 1500                 }
1546                 } elsif ($param =~ m/(.*?):(\ !! 1501             }
1547                     if ($type ne "") { # skip !! 1502         }
1548                         save_struct_actual($1 << 
1549                         push_parameter($1, "$ << 
1550                     }                         << 
1551                 } else {                      << 
1552                     save_struct_actual($param << 
1553                     push_parameter($param, $t << 
1554                 }                             << 
1555             }                                 << 
1556         }                                     << 
1557     }                                            1503     }
1558 }                                                1504 }
1559                                                  1505 
1560 sub push_parameter($$$$$) {                      1506 sub push_parameter($$$$$) {
1561     my $param = shift;                        !! 1507         my $param = shift;
1562     my $type = shift;                         !! 1508         my $type = shift;
1563     my $org_arg = shift;                      !! 1509         my $org_arg = shift;
1564     my $file = shift;                         !! 1510         my $file = shift;
1565     my $declaration_name = shift;             !! 1511         my $declaration_name = shift;
1566                                               !! 1512 
1567     if (($anon_struct_union == 1) && ($type e !! 1513         if (($anon_struct_union == 1) && ($type eq "") &&
1568         ($param eq "}")) {                    !! 1514             ($param eq "}")) {
1569         return;        # ignore the ending }; !! 1515                 return;         # ignore the ending }; from anon. struct/union
1570     }                                         !! 1516         }
1571                                               !! 1517 
1572     $anon_struct_union = 0;                   !! 1518         $anon_struct_union = 0;
1573     $param =~ s/[\[\)].*//;                   !! 1519         $param =~ s/[\[\)].*//;
1574                                               !! 1520 
1575     if ($type eq "" && $param =~ /\.\.\.$/)   !! 1521         if ($type eq "" && $param =~ /\.\.\.$/)
1576     {                                         !! 1522         {
1577         if (!$param =~ /\w\.\.\.$/) {         !! 1523             if (!$param =~ /\w\.\.\.$/) {
1578             # handles unnamed variable parame !! 1524               # handles unnamed variable parameters
1579             $param = "...";                   !! 1525               $param = "...";
1580         } elsif ($param =~ /\w\.\.\.$/) {     !! 1526             }
1581             # for named variable parameters o !! 1527             elsif ($param =~ /\w\.\.\.$/) {
1582             $param =~ s/\.\.\.$//;            !! 1528               # for named variable parameters of the form `x...`, remove the dots
1583         }                                     !! 1529               $param =~ s/\.\.\.$//;
1584         if (!defined $parameterdescs{$param}  !! 1530             }
1585             $parameterdescs{$param} = "variab !! 1531             if (!defined $parameterdescs{$param} || $parameterdescs{$param} eq "") {
1586         }                                     !! 1532                 $parameterdescs{$param} = "variable arguments";
1587     }                                         !! 1533             }
1588     elsif ($type eq "" && ($param eq "" or $p !! 1534         }
1589     {                                         !! 1535         elsif ($type eq "" && ($param eq "" or $param eq "void"))
1590         $param="void";                        !! 1536         {
1591         $parameterdescs{void} = "no arguments !! 1537             $param="void";
1592     }                                         !! 1538             $parameterdescs{void} = "no arguments";
1593     elsif ($type eq "" && ($param eq "struct" !! 1539         }
1594     # handle unnamed (anonymous) union or str !! 1540         elsif ($type eq "" && ($param eq "struct" or $param eq "union"))
1595     {                                         !! 1541         # handle unnamed (anonymous) union or struct:
1596         $type = $param;                       !! 1542         {
1597         $param = "{unnamed_" . $param . "}";  !! 1543                 $type = $param;
1598         $parameterdescs{$param} = "anonymous\ !! 1544                 $param = "{unnamed_" . $param . "}";
1599         $anon_struct_union = 1;               !! 1545                 $parameterdescs{$param} = "anonymous\n";
1600     }                                         !! 1546                 $anon_struct_union = 1;
1601     elsif ($param =~ "__cacheline_group" )    !! 1547         }
1602     # handle cache group enforcing variables: !! 1548 
1603     {                                         !! 1549         # warn if parameter has no description
1604         return; # ignore __cacheline_group_be !! 1550         # (but ignore ones starting with # as these are not parameters
1605     }                                         !! 1551         # but inline preprocessor statements);
1606                                               !! 1552         # Note: It will also ignore void params and unnamed structs/unions
1607     # warn if parameter has no description    !! 1553         if (!defined $parameterdescs{$param} && $param !~ /^#/) {
1608     # (but ignore ones starting with # as the !! 1554                 $parameterdescs{$param} = $undescribed;
1609     # but inline preprocessor statements);    !! 1555 
1610     # Note: It will also ignore void params a !! 1556                 if (show_warnings($type, $declaration_name) && $param !~ /\./) {
1611     if (!defined $parameterdescs{$param} && $ !! 1557                         print STDERR
1612         $parameterdescs{$param} = $undescribe !! 1558                               "${file}:$.: warning: Function parameter or member '$param' not described in '$declaration_name'\n";
1613                                               !! 1559                         ++$warnings;
1614         if (show_warnings($type, $declaration !! 1560                 }
1615             emit_warning("${file}:$.", "Funct !! 1561         }
1616         }                                     !! 1562 
1617     }                                         !! 1563         # strip spaces from $param so that it is one continuous string
1618                                               !! 1564         # on @parameterlist;
1619     # strip spaces from $param so that it is  !! 1565         # this fixes a problem where check_sections() cannot find
1620     # on @parameterlist;                      !! 1566         # a parameter like "addr[6 + 2]" because it actually appears
1621     # this fixes a problem where check_sectio !! 1567         # as "addr[6", "+", "2]" on the parameter list;
1622     # a parameter like "addr[6 + 2]" because  !! 1568         # but it's better to maintain the param string unchanged for output,
1623     # as "addr[6", "+", "2]" on the parameter !! 1569         # so just weaken the string compare in check_sections() to ignore
1624     # but it's better to maintain the param s !! 1570         # "[blah" in a parameter string;
1625     # so just weaken the string compare in ch !! 1571         ###$param =~ s/\s*//g;
1626     # "[blah" in a parameter string;          !! 1572         push @parameterlist, $param;
1627     ###$param =~ s/\s*//g;                    !! 1573         $org_arg =~ s/\s\s+/ /g;
1628     push @parameterlist, $param;              !! 1574         $parametertypes{$param} = $org_arg;
1629     $org_arg =~ s/\s\s+/ /g;                  << 
1630     $parametertypes{$param} = $org_arg;       << 
1631 }                                                1575 }
1632                                                  1576 
1633 sub check_sections($$$$$) {                      1577 sub check_sections($$$$$) {
1634     my ($file, $decl_name, $decl_type, $sectc !! 1578         my ($file, $decl_name, $decl_type, $sectcheck, $prmscheck) = @_;
1635     my @sects = split ' ', $sectcheck;        !! 1579         my @sects = split ' ', $sectcheck;
1636     my @prms = split ' ', $prmscheck;         !! 1580         my @prms = split ' ', $prmscheck;
1637     my $err;                                  !! 1581         my $err;
1638     my ($px, $sx);                            !! 1582         my ($px, $sx);
1639     my $prm_clean;        # strip trailing "[ !! 1583         my $prm_clean;          # strip trailing "[array size]" and/or beginning "*"
1640                                               !! 1584 
1641     foreach $sx (0 .. $#sects) {              !! 1585         foreach $sx (0 .. $#sects) {
1642         $err = 1;                             !! 1586                 $err = 1;
1643         foreach $px (0 .. $#prms) {           !! 1587                 foreach $px (0 .. $#prms) {
1644             $prm_clean = $prms[$px];          !! 1588                         $prm_clean = $prms[$px];
1645             $prm_clean =~ s/\[.*\]//;         !! 1589                         $prm_clean =~ s/\[.*\]//;
1646             $prm_clean =~ s/$attribute//i;    !! 1590                         $prm_clean =~ s/$attribute//i;
1647             # ignore array size in a paramete !! 1591                         # ignore array size in a parameter string;
1648             # however, the original param str !! 1592                         # however, the original param string may contain
1649             # spaces, e.g.:  addr[6 + 2]      !! 1593                         # spaces, e.g.:  addr[6 + 2]
1650             # and this appears in @prms as "a !! 1594                         # and this appears in @prms as "addr[6" since the
1651             # parameter list is split at spac !! 1595                         # parameter list is split at spaces;
1652             # hence just ignore "[..." for th !! 1596                         # hence just ignore "[..." for the sections check;
1653             $prm_clean =~ s/\[.*//;           !! 1597                         $prm_clean =~ s/\[.*//;
1654                                               !! 1598 
1655             ##$prm_clean =~ s/^\**//;         !! 1599                         ##$prm_clean =~ s/^\**//;
1656             if ($prm_clean eq $sects[$sx]) {  !! 1600                         if ($prm_clean eq $sects[$sx]) {
1657                 $err = 0;                     !! 1601                                 $err = 0;
1658                 last;                         !! 1602                                 last;
1659             }                                 !! 1603                         }
1660         }                                     !! 1604                 }
1661         if ($err) {                           !! 1605                 if ($err) {
1662             if ($decl_type eq "function") {   !! 1606                         if ($decl_type eq "function") {
1663                 emit_warning("${file}:$.",    !! 1607                                 print STDERR "${file}:$.: warning: " .
1664                     "Excess function paramete !! 1608                                         "Excess function parameter " .
1665                     "'$sects[$sx]' " .        !! 1609                                         "'$sects[$sx]' " .
1666                     "description in '$decl_na !! 1610                                         "description in '$decl_name'\n";
1667             } elsif (($decl_type eq "struct") !! 1611                                 ++$warnings;
1668                           ($decl_type eq "uni !! 1612                         }
1669                 emit_warning("${file}:$.",    !! 1613                 }
1670                     "Excess $decl_type member !! 1614         }
1671                     "'$sects[$sx]' " .        << 
1672                     "description in '$decl_na << 
1673             }                                 << 
1674         }                                     << 
1675     }                                         << 
1676 }                                                1615 }
1677                                                  1616 
1678 ##                                               1617 ##
1679 # Checks the section describing the return va    1618 # Checks the section describing the return value of a function.
1680 sub check_return_section {                       1619 sub check_return_section {
1681     my $file = shift;                         !! 1620         my $file = shift;
1682     my $declaration_name = shift;             !! 1621         my $declaration_name = shift;
1683     my $return_type = shift;                  !! 1622         my $return_type = shift;
1684                                               !! 1623 
1685     # Ignore an empty return type (It's a mac !! 1624         # Ignore an empty return type (It's a macro)
1686     # Ignore functions with a "void" return t !! 1625         # Ignore functions with a "void" return type. (But don't ignore "void *")
1687     if (($return_type eq "") || ($return_type !! 1626         if (($return_type eq "") || ($return_type =~ /void\s*\w*\s*$/)) {
1688         return;                               !! 1627                 return;
1689     }                                         !! 1628         }
1690                                               !! 1629 
1691     if (!defined($sections{$section_return})  !! 1630         if (!defined($sections{$section_return}) ||
1692         $sections{$section_return} eq "")     !! 1631             $sections{$section_return} eq "") {
1693     {                                         !! 1632                 print STDERR "${file}:$.: warning: " .
1694         emit_warning("${file}:$.",            !! 1633                         "No description found for return value of " .
1695                      "No description found fo !! 1634                         "'$declaration_name'\n";
1696                      "'$declaration_name'\n") !! 1635                 ++$warnings;
1697     }                                         !! 1636         }
1698 }                                                1637 }
1699                                                  1638 
1700 ##                                               1639 ##
1701 # takes a function prototype and the name of     1640 # takes a function prototype and the name of the current file being
1702 # processed and spits out all the details sto    1641 # processed and spits out all the details stored in the global
1703 # arrays/hashes.                                 1642 # arrays/hashes.
1704 sub dump_function($$) {                          1643 sub dump_function($$) {
1705     my $prototype = shift;                       1644     my $prototype = shift;
1706     my $file = shift;                            1645     my $file = shift;
1707     my $noret = 0;                               1646     my $noret = 0;
1708                                                  1647 
1709     print_lineno($new_start_line);               1648     print_lineno($new_start_line);
1710                                                  1649 
1711     $prototype =~ s/^static +//;                 1650     $prototype =~ s/^static +//;
1712     $prototype =~ s/^extern +//;                 1651     $prototype =~ s/^extern +//;
1713     $prototype =~ s/^asmlinkage +//;             1652     $prototype =~ s/^asmlinkage +//;
1714     $prototype =~ s/^inline +//;                 1653     $prototype =~ s/^inline +//;
1715     $prototype =~ s/^__inline__ +//;             1654     $prototype =~ s/^__inline__ +//;
1716     $prototype =~ s/^__inline +//;               1655     $prototype =~ s/^__inline +//;
1717     $prototype =~ s/^__always_inline +//;        1656     $prototype =~ s/^__always_inline +//;
1718     $prototype =~ s/^noinline +//;               1657     $prototype =~ s/^noinline +//;
1719     $prototype =~ s/^__FORTIFY_INLINE +//;    << 
1720     $prototype =~ s/__init +//;                  1658     $prototype =~ s/__init +//;
1721     $prototype =~ s/__init_or_module +//;        1659     $prototype =~ s/__init_or_module +//;
1722     $prototype =~ s/__deprecated +//;            1660     $prototype =~ s/__deprecated +//;
1723     $prototype =~ s/__flatten +//;               1661     $prototype =~ s/__flatten +//;
1724     $prototype =~ s/__meminit +//;               1662     $prototype =~ s/__meminit +//;
1725     $prototype =~ s/__must_check +//;            1663     $prototype =~ s/__must_check +//;
1726     $prototype =~ s/__weak +//;                  1664     $prototype =~ s/__weak +//;
1727     $prototype =~ s/__sched +//;                 1665     $prototype =~ s/__sched +//;
1728     $prototype =~ s/_noprof//;                << 
1729     $prototype =~ s/__printf\s*\(\s*\d*\s*,\s    1666     $prototype =~ s/__printf\s*\(\s*\d*\s*,\s*\d*\s*\) +//;
1730     $prototype =~ s/__(?:re)?alloc_size\s*\(\ !! 1667     $prototype =~ s/__alloc_size\s*\(\s*\d+\s*(?:,\s*\d+\s*)?\) +//;
1731     $prototype =~ s/__diagnose_as\s*\(\s*\S+\ << 
1732     $prototype =~ s/DECL_BUCKET_PARAMS\s*\(\s << 
1733     my $define = $prototype =~ s/^#\s*define\    1668     my $define = $prototype =~ s/^#\s*define\s+//; #ak added
1734     $prototype =~ s/__attribute_const__ +//;     1669     $prototype =~ s/__attribute_const__ +//;
1735     $prototype =~ s/__attribute__\s*\(\(         1670     $prototype =~ s/__attribute__\s*\(\(
1736             (?:                                  1671             (?:
1737                  [\w\s]++          # attribut    1672                  [\w\s]++          # attribute name
1738                  (?:\([^)]*+\))?   # attribut    1673                  (?:\([^)]*+\))?   # attribute arguments
1739                  \s*+,?            # optional    1674                  \s*+,?            # optional comma at the end
1740             )+                                   1675             )+
1741           \)\)\s+//x;                            1676           \)\)\s+//x;
1742                                                  1677 
1743     # Yes, this truly is vile.  We are lookin    1678     # Yes, this truly is vile.  We are looking for:
1744     # 1. Return type (may be nothing if we're    1679     # 1. Return type (may be nothing if we're looking at a macro)
1745     # 2. Function name                           1680     # 2. Function name
1746     # 3. Function parameters.                    1681     # 3. Function parameters.
1747     #                                            1682     #
1748     # All the while we have to watch out for     1683     # All the while we have to watch out for function pointer parameters
1749     # (which IIRC is what the two sections ar    1684     # (which IIRC is what the two sections are for), C types (these
1750     # regexps don't even start to express all    1685     # regexps don't even start to express all the possibilities), and
1751     # so on.                                     1686     # so on.
1752     #                                            1687     #
1753     # If you mess with these regexps, it's a     1688     # If you mess with these regexps, it's a good idea to check that
1754     # the following functions' documentation     1689     # the following functions' documentation still comes out right:
1755     # - parport_register_device (function poi    1690     # - parport_register_device (function pointer parameters)
1756     # - atomic_set (macro)                       1691     # - atomic_set (macro)
1757     # - pci_match_device, __copy_to_user (lon    1692     # - pci_match_device, __copy_to_user (long return type)
1758     my $name = qr{[a-zA-Z0-9_~:]+};              1693     my $name = qr{[a-zA-Z0-9_~:]+};
1759     my $prototype_end1 = qr{[^\(]*};             1694     my $prototype_end1 = qr{[^\(]*};
1760     my $prototype_end2 = qr{[^\{]*};             1695     my $prototype_end2 = qr{[^\{]*};
1761     my $prototype_end = qr{\(($prototype_end1    1696     my $prototype_end = qr{\(($prototype_end1|$prototype_end2)\)};
1762     my $type1 = qr{[\w\s]+};                     1697     my $type1 = qr{[\w\s]+};
1763     my $type2 = qr{$type1\*+};                   1698     my $type2 = qr{$type1\*+};
1764                                                  1699 
1765     if ($define && $prototype =~ m/^()($name)    1700     if ($define && $prototype =~ m/^()($name)\s+/) {
1766         # This is an object-like macro, it ha    1701         # This is an object-like macro, it has no return type and no parameter
1767         # list.                                  1702         # list.
1768         # Function-like macros are not allowe    1703         # Function-like macros are not allowed to have spaces between
1769         # declaration_name and opening parent    1704         # declaration_name and opening parenthesis (notice the \s+).
1770         $return_type = $1;                       1705         $return_type = $1;
1771         $declaration_name = $2;                  1706         $declaration_name = $2;
1772         $noret = 1;                              1707         $noret = 1;
1773     } elsif ($prototype =~ m/^()($name)\s*$pr    1708     } elsif ($prototype =~ m/^()($name)\s*$prototype_end/ ||
1774         $prototype =~ m/^($type1)\s+($name)\s !! 1709         $prototype =~ m/^($type1)\s+($name)\s*$prototype_end/ ||
1775         $prototype =~ m/^($type2+)\s*($name)\ !! 1710         $prototype =~ m/^($type2+)\s*($name)\s*$prototype_end/)  {
1776         $return_type = $1;                    !! 1711         $return_type = $1;
1777         $declaration_name = $2;               !! 1712         $declaration_name = $2;
1778         my $args = $3;                        !! 1713         my $args = $3;
1779                                                  1714 
1780         create_parameterlist($args, ',', $fil !! 1715         create_parameterlist($args, ',', $file, $declaration_name);
1781     } else {                                     1716     } else {
1782         emit_warning("${file}:$.", "cannot un !! 1717         print STDERR "${file}:$.: warning: cannot understand function prototype: '$prototype'\n";
1783         return;                               !! 1718         return;
1784     }                                            1719     }
1785                                                  1720 
1786     if ($identifier ne $declaration_name) {      1721     if ($identifier ne $declaration_name) {
1787         emit_warning("${file}:$.", "expecting !! 1722         print STDERR "${file}:$.: warning: expecting prototype for $identifier(). Prototype was for $declaration_name() instead\n";
1788         return;                               !! 1723         return;
1789     }                                            1724     }
1790                                                  1725 
1791     my $prms = join " ", @parameterlist;         1726     my $prms = join " ", @parameterlist;
1792     check_sections($file, $declaration_name,     1727     check_sections($file, $declaration_name, "function", $sectcheck, $prms);
1793                                                  1728 
1794     # This check emits a lot of warnings at t    1729     # This check emits a lot of warnings at the moment, because many
1795     # functions don't have a 'Return' doc sec    1730     # functions don't have a 'Return' doc section. So until the number
1796     # of warnings goes sufficiently down, the    1731     # of warnings goes sufficiently down, the check is only performed in
1797     # -Wreturn mode.                          !! 1732     # verbose mode.
1798     # TODO: always perform the check.            1733     # TODO: always perform the check.
1799     if ($Wreturn && !$noret) {                !! 1734     if ($verbose && !$noret) {
1800         check_return_section($file, $declarat !! 1735             check_return_section($file, $declaration_name, $return_type);
1801     }                                            1736     }
1802                                                  1737 
1803     # The function parser can be called with     1738     # The function parser can be called with a typedef parameter.
1804     # Handle it.                                 1739     # Handle it.
1805     if ($return_type =~ /typedef/) {             1740     if ($return_type =~ /typedef/) {
1806         output_declaration($declaration_name, !! 1741         output_declaration($declaration_name,
1807                            'function',        !! 1742                            'function',
1808                            {'function' => $de !! 1743                            {'function' => $declaration_name,
1809                             'typedef' => 1,   !! 1744                             'typedef' => 1,
1810                             'module' => $modu !! 1745                             'module' => $modulename,
1811                             'functiontype' => !! 1746                             'functiontype' => $return_type,
1812                             'parameterlist' = !! 1747                             'parameterlist' => \@parameterlist,
1813                             'parameterdescs'  !! 1748                             'parameterdescs' => \%parameterdescs,
1814                             'parametertypes'  !! 1749                             'parametertypes' => \%parametertypes,
1815                             'sectionlist' =>  !! 1750                             'sectionlist' => \@sectionlist,
1816                             'sections' => \%s !! 1751                             'sections' => \%sections,
1817                             'purpose' => $dec !! 1752                             'purpose' => $declaration_purpose
1818                            });                !! 1753                            });
1819     } else {                                     1754     } else {
1820         output_declaration($declaration_name, !! 1755         output_declaration($declaration_name,
1821                            'function',        !! 1756                            'function',
1822                            {'function' => $de !! 1757                            {'function' => $declaration_name,
1823                             'module' => $modu !! 1758                             'module' => $modulename,
1824                             'functiontype' => !! 1759                             'functiontype' => $return_type,
1825                             'parameterlist' = !! 1760                             'parameterlist' => \@parameterlist,
1826                             'parameterdescs'  !! 1761                             'parameterdescs' => \%parameterdescs,
1827                             'parametertypes'  !! 1762                             'parametertypes' => \%parametertypes,
1828                             'sectionlist' =>  !! 1763                             'sectionlist' => \@sectionlist,
1829                             'sections' => \%s !! 1764                             'sections' => \%sections,
1830                             'purpose' => $dec !! 1765                             'purpose' => $declaration_purpose
1831                            });                !! 1766                            });
1832     }                                            1767     }
1833 }                                                1768 }
1834                                                  1769 
1835 sub reset_state {                                1770 sub reset_state {
1836     $function = "";                              1771     $function = "";
1837     %parameterdescs = ();                        1772     %parameterdescs = ();
1838     %parametertypes = ();                        1773     %parametertypes = ();
1839     @parameterlist = ();                         1774     @parameterlist = ();
1840     %sections = ();                              1775     %sections = ();
1841     @sectionlist = ();                           1776     @sectionlist = ();
1842     $sectcheck = "";                             1777     $sectcheck = "";
1843     $struct_actual = "";                         1778     $struct_actual = "";
1844     $prototype = "";                             1779     $prototype = "";
1845                                                  1780 
1846     $state = STATE_NORMAL;                       1781     $state = STATE_NORMAL;
1847     $inline_doc_state = STATE_INLINE_NA;         1782     $inline_doc_state = STATE_INLINE_NA;
1848 }                                                1783 }
1849                                                  1784 
1850 sub tracepoint_munge($) {                        1785 sub tracepoint_munge($) {
1851     my $file = shift;                         !! 1786         my $file = shift;
1852     my $tracepointname = 0;                   !! 1787         my $tracepointname = 0;
1853     my $tracepointargs = 0;                   !! 1788         my $tracepointargs = 0;
1854                                               !! 1789 
1855     if ($prototype =~ m/TRACE_EVENT\((.*?),/) !! 1790         if ($prototype =~ m/TRACE_EVENT\((.*?),/) {
1856         $tracepointname = $1;                 !! 1791                 $tracepointname = $1;
1857     }                                         !! 1792         }
1858     if ($prototype =~ m/DEFINE_SINGLE_EVENT\( !! 1793         if ($prototype =~ m/DEFINE_SINGLE_EVENT\((.*?),/) {
1859         $tracepointname = $1;                 !! 1794                 $tracepointname = $1;
1860     }                                         !! 1795         }
1861     if ($prototype =~ m/DEFINE_EVENT\((.*?),( !! 1796         if ($prototype =~ m/DEFINE_EVENT\((.*?),(.*?),/) {
1862         $tracepointname = $2;                 !! 1797                 $tracepointname = $2;
1863     }                                         !! 1798         }
1864     $tracepointname =~ s/^\s+//; #strip leadi !! 1799         $tracepointname =~ s/^\s+//; #strip leading whitespace
1865     if ($prototype =~ m/TP_PROTO\((.*?)\)/) { !! 1800         if ($prototype =~ m/TP_PROTO\((.*?)\)/) {
1866         $tracepointargs = $1;                 !! 1801                 $tracepointargs = $1;
1867     }                                         !! 1802         }
1868     if (($tracepointname eq 0) || ($tracepoin !! 1803         if (($tracepointname eq 0) || ($tracepointargs eq 0)) {
1869         emit_warning("${file}:$.", "Unrecogni !! 1804                 print STDERR "${file}:$.: warning: Unrecognized tracepoint format: \n".
1870                  "$prototype\n");             !! 1805                              "$prototype\n";
1871     } else {                                  !! 1806         } else {
1872         $prototype = "static inline void trac !! 1807                 $prototype = "static inline void trace_$tracepointname($tracepointargs)";
1873         $identifier = "trace_$identifier";    !! 1808                 $identifier = "trace_$identifier";
1874     }                                         !! 1809         }
1875 }                                                1810 }
1876                                                  1811 
1877 sub syscall_munge() {                            1812 sub syscall_munge() {
1878     my $void = 0;                             !! 1813         my $void = 0;
1879                                               << 
1880     $prototype =~ s@[\r\n]+@ @gos; # strip ne << 
1881 ##    if ($prototype =~ m/SYSCALL_DEFINE0\s*\ << 
1882     if ($prototype =~ m/SYSCALL_DEFINE0/) {   << 
1883         $void = 1;                            << 
1884 ##        $prototype = "long sys_$1(void)";   << 
1885     }                                         << 
1886                                                  1814 
1887     $prototype =~ s/SYSCALL_DEFINE.*\(/long s !! 1815         $prototype =~ s@[\r\n]+@ @gos; # strip newlines/CR's
1888     if ($prototype =~ m/long (sys_.*?),/) {   !! 1816 ##      if ($prototype =~ m/SYSCALL_DEFINE0\s*\(\s*(a-zA-Z0-9_)*\s*\)/) {
1889         $prototype =~ s/,/\(/;                !! 1817         if ($prototype =~ m/SYSCALL_DEFINE0/) {
1890     } elsif ($void) {                         !! 1818                 $void = 1;
1891         $prototype =~ s/\)/\(void\)/;         !! 1819 ##              $prototype = "long sys_$1(void)";
1892     }                                         !! 1820         }
1893                                               !! 1821 
1894     # now delete all of the odd-number commas !! 1822         $prototype =~ s/SYSCALL_DEFINE.*\(/long sys_/; # fix return type & func name
1895     # so that arg types & arg names don't hav !! 1823         if ($prototype =~ m/long (sys_.*?),/) {
1896     my $count = 0;                            !! 1824                 $prototype =~ s/,/\(/;
1897     my $len = length($prototype);             !! 1825         } elsif ($void) {
1898     if ($void) {                              !! 1826                 $prototype =~ s/\)/\(void\)/;
1899         $len = 0;    # skip the for-loop      !! 1827         }
1900     }                                         !! 1828 
1901     for (my $ix = 0; $ix < $len; $ix++) {     !! 1829         # now delete all of the odd-number commas in $prototype
1902         if (substr($prototype, $ix, 1) eq ',' !! 1830         # so that arg types & arg names don't have a comma between them
1903             $count++;                         !! 1831         my $count = 0;
1904             if ($count % 2 == 1) {            !! 1832         my $len = length($prototype);
1905                 substr($prototype, $ix, 1) =  !! 1833         if ($void) {
1906             }                                 !! 1834                 $len = 0;       # skip the for-loop
1907         }                                     !! 1835         }
1908     }                                         !! 1836         for (my $ix = 0; $ix < $len; $ix++) {
                                                   >> 1837                 if (substr($prototype, $ix, 1) eq ',') {
                                                   >> 1838                         $count++;
                                                   >> 1839                         if ($count % 2 == 1) {
                                                   >> 1840                                 substr($prototype, $ix, 1) = ' ';
                                                   >> 1841                         }
                                                   >> 1842                 }
                                                   >> 1843         }
1909 }                                                1844 }
1910                                                  1845 
1911 sub process_proto_function($$) {                 1846 sub process_proto_function($$) {
1912     my $x = shift;                               1847     my $x = shift;
1913     my $file = shift;                            1848     my $file = shift;
1914                                                  1849 
1915     $x =~ s@\/\/.*$@@gos; # strip C99-style c    1850     $x =~ s@\/\/.*$@@gos; # strip C99-style comments to end of line
1916                                                  1851 
1917     if ($x =~ /^#/ && $x !~ /^#\s*define/) {  !! 1852     if ($x =~ m#\s*/\*\s+MACDOC\s*#io || ($x =~ /^#/ && $x !~ /^#\s*define/)) {
1918         # do nothing                          !! 1853         # do nothing
1919     } elsif ($x =~ /([^\{]*)/) {              !! 1854     }
1920         $prototype .= $1;                     !! 1855     elsif ($x =~ /([^\{]*)/) {
                                                   >> 1856         $prototype .= $1;
1921     }                                            1857     }
1922                                                  1858 
1923     if (($x =~ /\{/) || ($x =~ /\#\s*define/)    1859     if (($x =~ /\{/) || ($x =~ /\#\s*define/) || ($x =~ /;/)) {
1924         $prototype =~ s@/\*.*?\*/@@gos;       !! 1860         $prototype =~ s@/\*.*?\*/@@gos; # strip comments.
1925         $prototype =~ s@[\r\n]+@ @gos; # stri !! 1861         $prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
1926         $prototype =~ s@^\s+@@gos; # strip le !! 1862         $prototype =~ s@^\s+@@gos; # strip leading spaces
1927                                               !! 1863 
1928         # Handle prototypes for function poin !! 1864          # Handle prototypes for function pointers like:
1929         # int (*pcs_config)(struct foo)       !! 1865          # int (*pcs_config)(struct foo)
1930         $prototype =~ s@^(\S+\s+)\(\s*\*(\S+) !! 1866         $prototype =~ s@^(\S+\s+)\(\s*\*(\S+)\)@$1$2@gos;
1931                                               !! 1867 
1932         if ($prototype =~ /SYSCALL_DEFINE/) { !! 1868         if ($prototype =~ /SYSCALL_DEFINE/) {
1933             syscall_munge();                  !! 1869                 syscall_munge();
1934         }                                     !! 1870         }
1935         if ($prototype =~ /TRACE_EVENT/ || $p !! 1871         if ($prototype =~ /TRACE_EVENT/ || $prototype =~ /DEFINE_EVENT/ ||
1936             $prototype =~ /DEFINE_SINGLE_EVEN !! 1872             $prototype =~ /DEFINE_SINGLE_EVENT/)
1937         {                                     !! 1873         {
1938             tracepoint_munge($file);          !! 1874                 tracepoint_munge($file);
1939         }                                     !! 1875         }
1940         dump_function($prototype, $file);     !! 1876         dump_function($prototype, $file);
1941         reset_state();                        !! 1877         reset_state();
1942     }                                            1878     }
1943 }                                                1879 }
1944                                                  1880 
1945 sub process_proto_type($$) {                     1881 sub process_proto_type($$) {
1946     my $x = shift;                               1882     my $x = shift;
1947     my $file = shift;                            1883     my $file = shift;
1948                                                  1884 
1949     $x =~ s@[\r\n]+@ @gos; # strip newlines/c    1885     $x =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
1950     $x =~ s@^\s+@@gos; # strip leading spaces    1886     $x =~ s@^\s+@@gos; # strip leading spaces
1951     $x =~ s@\s+$@@gos; # strip trailing space    1887     $x =~ s@\s+$@@gos; # strip trailing spaces
1952     $x =~ s@\/\/.*$@@gos; # strip C99-style c    1888     $x =~ s@\/\/.*$@@gos; # strip C99-style comments to end of line
1953                                                  1889 
1954     if ($x =~ /^#/) {                            1890     if ($x =~ /^#/) {
1955         # To distinguish preprocessor directi !! 1891         # To distinguish preprocessor directive from regular declaration later.
1956         $x .= ";";                            !! 1892         $x .= ";";
1957     }                                            1893     }
1958                                                  1894 
1959     while (1) {                                  1895     while (1) {
1960         if ( $x =~ /([^\{\};]*)([\{\};])(.*)/ !! 1896         if ( $x =~ /([^\{\};]*)([\{\};])(.*)/ ) {
1961             if( length $prototype ) {            1897             if( length $prototype ) {
1962                 $prototype .= " "                1898                 $prototype .= " "
1963             }                                    1899             }
1964             $prototype .= $1 . $2;            !! 1900             $prototype .= $1 . $2;
1965             ($2 eq '{') && $brcount++;        !! 1901             ($2 eq '{') && $brcount++;
1966             ($2 eq '}') && $brcount--;        !! 1902             ($2 eq '}') && $brcount--;
1967             if (($2 eq ';') && ($brcount == 0 !! 1903             if (($2 eq ';') && ($brcount == 0)) {
1968                 dump_declaration($prototype,  !! 1904                 dump_declaration($prototype, $file);
1969                 reset_state();                !! 1905                 reset_state();
1970                 last;                         !! 1906                 last;
1971             }                                 !! 1907             }
1972             $x = $3;                          !! 1908             $x = $3;
1973         } else {                              !! 1909         } else {
1974             $prototype .= $x;                 !! 1910             $prototype .= $x;
1975             last;                             !! 1911             last;
1976         }                                     !! 1912         }
1977     }                                            1913     }
1978 }                                                1914 }
1979                                                  1915 
1980                                                  1916 
1981 sub map_filename($) {                            1917 sub map_filename($) {
1982     my $file;                                    1918     my $file;
1983     my ($orig_file) = @_;                        1919     my ($orig_file) = @_;
1984                                                  1920 
1985     if (defined($ENV{'SRCTREE'})) {              1921     if (defined($ENV{'SRCTREE'})) {
1986         $file = "$ENV{'SRCTREE'}" . "/" . $or !! 1922         $file = "$ENV{'SRCTREE'}" . "/" . $orig_file;
1987     } else {                                     1923     } else {
1988         $file = $orig_file;                   !! 1924         $file = $orig_file;
1989     }                                            1925     }
1990                                                  1926 
1991     if (defined($source_map{$file})) {           1927     if (defined($source_map{$file})) {
1992         $file = $source_map{$file};           !! 1928         $file = $source_map{$file};
1993     }                                            1929     }
1994                                                  1930 
1995     return $file;                                1931     return $file;
1996 }                                                1932 }
1997                                                  1933 
1998 sub process_export_file($) {                     1934 sub process_export_file($) {
1999     my ($orig_file) = @_;                        1935     my ($orig_file) = @_;
2000     my $file = map_filename($orig_file);         1936     my $file = map_filename($orig_file);
2001                                                  1937 
2002     if (!open(IN,"<$file")) {                    1938     if (!open(IN,"<$file")) {
2003         print STDERR "Error: Cannot open file !! 1939         print STDERR "Error: Cannot open file $file\n";
2004         ++$errors;                            !! 1940         ++$errors;
2005         return;                               !! 1941         return;
2006     }                                            1942     }
2007                                                  1943 
2008     while (<IN>) {                               1944     while (<IN>) {
2009         if (/$export_symbol/) {               !! 1945         if (/$export_symbol/) {
2010             next if (defined($nosymbol_table{ !! 1946             next if (defined($nosymbol_table{$2}));
2011             $function_table{$2} = 1;          !! 1947             $function_table{$2} = 1;
2012         }                                     !! 1948         }
2013         if (/$export_symbol_ns/) {            << 
2014             next if (defined($nosymbol_table{ << 
2015             $function_table{$2} = 1;          << 
2016         }                                     << 
2017     }                                            1949     }
2018                                                  1950 
2019     close(IN);                                   1951     close(IN);
2020 }                                                1952 }
2021                                                  1953 
2022 #                                                1954 #
2023 # Parsers for the various processing states.     1955 # Parsers for the various processing states.
2024 #                                                1956 #
2025 # STATE_NORMAL: looking for the /** to begin     1957 # STATE_NORMAL: looking for the /** to begin everything.
2026 #                                                1958 #
2027 sub process_normal() {                           1959 sub process_normal() {
2028     if (/$doc_start/o) {                         1960     if (/$doc_start/o) {
2029         $state = STATE_NAME;        # next li !! 1961         $state = STATE_NAME;    # next line is always the function name
2030         $in_doc_sect = 0;                     !! 1962         $in_doc_sect = 0;
2031         $declaration_start_line = $. + 1;     !! 1963         $declaration_start_line = $. + 1;
2032     }                                            1964     }
2033 }                                                1965 }
2034                                                  1966 
2035 #                                                1967 #
2036 # STATE_NAME: Looking for the "name - descrip    1968 # STATE_NAME: Looking for the "name - description" line
2037 #                                                1969 #
2038 sub process_name($$) {                           1970 sub process_name($$) {
2039     my $file = shift;                            1971     my $file = shift;
2040     my $descr;                                   1972     my $descr;
2041                                                  1973 
2042     if (/$doc_block/o) {                         1974     if (/$doc_block/o) {
2043         $state = STATE_DOCBLOCK;              !! 1975         $state = STATE_DOCBLOCK;
2044         $contents = "";                       !! 1976         $contents = "";
2045         $new_start_line = $.;                 !! 1977         $new_start_line = $.;
2046                                               !! 1978 
2047         if ( $1 eq "" ) {                     !! 1979         if ( $1 eq "" ) {
2048             $section = $section_intro;        !! 1980             $section = $section_intro;
2049         } else {                              !! 1981         } else {
2050             $section = $1;                    !! 1982             $section = $1;
2051         }                                     !! 1983         }
2052     } elsif (/$doc_decl/o) {                     1984     } elsif (/$doc_decl/o) {
2053         $identifier = $1;                     !! 1985         $identifier = $1;
2054         my $is_kernel_comment = 0;            !! 1986         my $is_kernel_comment = 0;
2055         my $decl_start = qr{$doc_com};        !! 1987         my $decl_start = qr{$doc_com};
2056         # test for pointer declaration type,  !! 1988         # test for pointer declaration type, foo * bar() - desc
2057         my $fn_type = qr{\w+\s*\*\s*};        !! 1989         my $fn_type = qr{\w+\s*\*\s*}; 
2058         my $parenthesis = qr{\(\w*\)};        !! 1990         my $parenthesis = qr{\(\w*\)};
2059         my $decl_end = qr{[-:].*};            !! 1991         my $decl_end = qr{[-:].*};
2060         if (/^$decl_start([\w\s]+?)$parenthes !! 1992         if (/^$decl_start([\w\s]+?)$parenthesis?\s*$decl_end?$/) {
2061             $identifier = $1;                 !! 1993             $identifier = $1;
2062         }                                     !! 1994         }
2063         if ($identifier =~ m/^(struct|union|e !! 1995         if ($identifier =~ m/^(struct|union|enum|typedef)\b\s*(\S*)/) {
2064             $decl_type = $1;                  !! 1996             $decl_type = $1;
2065             $identifier = $2;                 !! 1997             $identifier = $2;
2066             $is_kernel_comment = 1;           !! 1998             $is_kernel_comment = 1;
2067         }                                     !! 1999         }
2068         # Look for foo() or static void foo() !! 2000         # Look for foo() or static void foo() - description; or misspelt
2069         # identifier                          !! 2001         # identifier
2070         elsif (/^$decl_start$fn_type?(\w+)\s* !! 2002         elsif (/^$decl_start$fn_type?(\w+)\s*$parenthesis?\s*$decl_end?$/ ||
2071             /^$decl_start$fn_type?(\w+.*)$par !! 2003             /^$decl_start$fn_type?(\w+.*)$parenthesis?\s*$decl_end$/) {
2072             $identifier = $1;                 !! 2004             $identifier = $1;
2073             $decl_type = 'function';          !! 2005             $decl_type = 'function';
2074             $identifier =~ s/^define\s+//;    !! 2006             $identifier =~ s/^define\s+//;
2075             $is_kernel_comment = 1;           !! 2007             $is_kernel_comment = 1;
2076         }                                     !! 2008         }
2077         $identifier =~ s/\s+$//;              !! 2009         $identifier =~ s/\s+$//;
2078                                               !! 2010 
2079         $state = STATE_BODY;                  !! 2011         $state = STATE_BODY;
2080         # if there's no @param blocks need to !! 2012         # if there's no @param blocks need to set up default section
2081         # here                                !! 2013         # here
2082         $contents = "";                       !! 2014         $contents = "";
2083         $section = $section_default;          !! 2015         $section = $section_default;
2084         $new_start_line = $. + 1;             !! 2016         $new_start_line = $. + 1;
2085         if (/[-:](.*)/) {                     !! 2017         if (/[-:](.*)/) {
2086             # strip leading/trailing/multiple !! 2018             # strip leading/trailing/multiple spaces
2087             $descr= $1;                       !! 2019             $descr= $1;
2088             $descr =~ s/^\s*//;               !! 2020             $descr =~ s/^\s*//;
2089             $descr =~ s/\s*$//;               !! 2021             $descr =~ s/\s*$//;
2090             $descr =~ s/\s+/ /g;              !! 2022             $descr =~ s/\s+/ /g;
2091             $declaration_purpose = $descr;    !! 2023             $declaration_purpose = $descr;
2092             $state = STATE_BODY_MAYBE;        !! 2024             $state = STATE_BODY_MAYBE;
2093         } else {                              !! 2025         } else {
2094             $declaration_purpose = "";        !! 2026             $declaration_purpose = "";
2095         }                                     !! 2027         }
2096                                               !! 2028 
2097         if (!$is_kernel_comment) {            !! 2029         if (!$is_kernel_comment) {
2098             emit_warning("${file}:$.", "This  !! 2030             print STDERR "${file}:$.: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst\n";
2099             $state = STATE_NORMAL;            !! 2031             print STDERR $_;
2100         }                                     !! 2032             ++$warnings;
2101                                               !! 2033             $state = STATE_NORMAL;
2102         if (($declaration_purpose eq "") && $ !! 2034         }
2103             emit_warning("${file}:$.", "missi !! 2035 
2104         }                                     !! 2036         if (($declaration_purpose eq "") && $verbose) {
2105                                               !! 2037             print STDERR "${file}:$.: warning: missing initial short description on line:\n";
2106         if ($identifier eq "" && $decl_type n !! 2038             print STDERR $_;
2107             emit_warning("${file}:$.", "wrong !! 2039             ++$warnings;
2108             $state = STATE_NORMAL;            !! 2040         }
2109         }                                     !! 2041 
2110                                               !! 2042         if ($identifier eq "" && $decl_type ne "enum") {
2111         if ($verbose) {                       !! 2043             print STDERR "${file}:$.: warning: wrong kernel-doc identifier on line:\n";
2112             print STDERR "${file}:$.: info: S !! 2044             print STDERR $_;
2113         }                                     !! 2045             ++$warnings;
                                                   >> 2046             $state = STATE_NORMAL;
                                                   >> 2047         }
                                                   >> 2048 
                                                   >> 2049         if ($verbose) {
                                                   >> 2050             print STDERR "${file}:$.: info: Scanning doc for $decl_type $identifier\n";
                                                   >> 2051         }
2114     } else {                                     2052     } else {
2115         emit_warning("${file}:$.", "Cannot un !! 2053         print STDERR "${file}:$.: warning: Cannot understand $_ on line $.",
2116         $state = STATE_NORMAL;                !! 2054             " - I thought it was a doc line\n";
                                                   >> 2055         ++$warnings;
                                                   >> 2056         $state = STATE_NORMAL;
2117     }                                            2057     }
2118 }                                                2058 }
2119                                                  2059 
2120                                                  2060 
2121 #                                                2061 #
2122 # STATE_BODY and STATE_BODY_MAYBE: the bulk o    2062 # STATE_BODY and STATE_BODY_MAYBE: the bulk of a kerneldoc comment.
2123 #                                                2063 #
2124 sub process_body($$) {                           2064 sub process_body($$) {
2125     my $file = shift;                            2065     my $file = shift;
2126                                                  2066 
                                                   >> 2067     # Until all named variable macro parameters are
                                                   >> 2068     # documented using the bare name (`x`) rather than with
                                                   >> 2069     # dots (`x...`), strip the dots:
                                                   >> 2070     if ($section =~ /\w\.\.\.$/) {
                                                   >> 2071         $section =~ s/\.\.\.$//;
                                                   >> 2072 
                                                   >> 2073         if ($verbose) {
                                                   >> 2074             print STDERR "${file}:$.: warning: Variable macro arguments should be documented without dots\n";
                                                   >> 2075             ++$warnings;
                                                   >> 2076         }
                                                   >> 2077     }
                                                   >> 2078 
2127     if ($state == STATE_BODY_WITH_BLANK_LINE     2079     if ($state == STATE_BODY_WITH_BLANK_LINE && /^\s*\*\s?\S/) {
2128         dump_section($file, $section, $conten !! 2080         dump_section($file, $section, $contents);
2129         $section = $section_default;          !! 2081         $section = $section_default;
2130         $new_start_line = $.;                 !! 2082         $new_start_line = $.;
2131         $contents = "";                       !! 2083         $contents = "";
2132     }                                            2084     }
2133                                                  2085 
2134     if (/$doc_sect/i) { # case insensitive fo    2086     if (/$doc_sect/i) { # case insensitive for supported section names
2135         $in_doc_sect = 1;                     !! 2087         $newsection = $1;
2136         $newsection = $1;                     !! 2088         $newcontents = $2;
2137         $newcontents = $2;                    << 
2138                                               << 
2139         # map the supported section names to  << 
2140         if ($newsection =~ m/^description$/i) << 
2141             $newsection = $section_default;   << 
2142         } elsif ($newsection =~ m/^context$/i << 
2143             $newsection = $section_context;   << 
2144         } elsif ($newsection =~ m/^returns?$/ << 
2145             $newsection = $section_return;    << 
2146         } elsif ($newsection =~ m/^\@return$/ << 
2147             # special: @return is a section,  << 
2148             $newsection = $section_return;    << 
2149         }                                     << 
2150                                                  2089 
2151         if (($contents ne "") && ($contents n !! 2090         # map the supported section names to the canonical names
2152             if (!$in_doc_sect && $Wcontents_b !! 2091         if ($newsection =~ m/^description$/i) {
2153                 emit_warning("${file}:$.", "c !! 2092             $newsection = $section_default;
2154             }                                 !! 2093         } elsif ($newsection =~ m/^context$/i) {
2155             dump_section($file, $section, $co !! 2094             $newsection = $section_context;
2156             $section = $section_default;      !! 2095         } elsif ($newsection =~ m/^returns?$/i) {
2157         }                                     !! 2096             $newsection = $section_return;
2158                                               !! 2097         } elsif ($newsection =~ m/^\@return$/) {
2159         $in_doc_sect = 1;                     !! 2098             # special: @return is a section, not a param description
2160         $state = STATE_BODY;                  !! 2099             $newsection = $section_return;
2161         $contents = $newcontents;             !! 2100         }
2162         $new_start_line = $.;                 !! 2101 
2163         while (substr($contents, 0, 1) eq " " !! 2102         if (($contents ne "") && ($contents ne "\n")) {
2164             $contents = substr($contents, 1); !! 2103             if (!$in_doc_sect && $verbose) {
2165         }                                     !! 2104                 print STDERR "${file}:$.: warning: contents before sections\n";
2166         if ($contents ne "") {                !! 2105                 ++$warnings;
2167             $contents .= "\n";                !! 2106             }
2168         }                                     !! 2107             dump_section($file, $section, $contents);
2169         $section = $newsection;               !! 2108             $section = $section_default;
2170         $leading_space = undef;               !! 2109         }
                                                   >> 2110 
                                                   >> 2111         $in_doc_sect = 1;
                                                   >> 2112         $state = STATE_BODY;
                                                   >> 2113         $contents = $newcontents;
                                                   >> 2114         $new_start_line = $.;
                                                   >> 2115         while (substr($contents, 0, 1) eq " ") {
                                                   >> 2116             $contents = substr($contents, 1);
                                                   >> 2117         }
                                                   >> 2118         if ($contents ne "") {
                                                   >> 2119             $contents .= "\n";
                                                   >> 2120         }
                                                   >> 2121         $section = $newsection;
                                                   >> 2122         $leading_space = undef;
2171     } elsif (/$doc_end/) {                       2123     } elsif (/$doc_end/) {
2172         if (($contents ne "") && ($contents n !! 2124         if (($contents ne "") && ($contents ne "\n")) {
2173             dump_section($file, $section, $co !! 2125             dump_section($file, $section, $contents);
2174             $section = $section_default;      !! 2126             $section = $section_default;
2175             $contents = "";                   !! 2127             $contents = "";
2176         }                                     !! 2128         }
2177         # look for doc_com + <text> + doc_end !! 2129         # look for doc_com + <text> + doc_end:
2178         if ($_ =~ m'\s*\*\s*[a-zA-Z_0-9:\.]+\ !! 2130         if ($_ =~ m'\s*\*\s*[a-zA-Z_0-9:\.]+\*/') {
2179             emit_warning("${file}:$.", "suspi !! 2131             print STDERR "${file}:$.: warning: suspicious ending line: $_";
2180         }                                     !! 2132             ++$warnings;
2181                                               !! 2133         }
2182         $prototype = "";                      !! 2134 
2183         $state = STATE_PROTO;                 !! 2135         $prototype = "";
2184         $brcount = 0;                         !! 2136         $state = STATE_PROTO;
                                                   >> 2137         $brcount = 0;
2185         $new_start_line = $. + 1;                2138         $new_start_line = $. + 1;
2186     } elsif (/$doc_content/) {                   2139     } elsif (/$doc_content/) {
2187         if ($1 eq "") {                       !! 2140         if ($1 eq "") {
2188             if ($section eq $section_context) !! 2141             if ($section eq $section_context) {
2189                 dump_section($file, $section, !! 2142                 dump_section($file, $section, $contents);
2190                 $section = $section_default;  !! 2143                 $section = $section_default;
2191                 $contents = "";               !! 2144                 $contents = "";
2192                 $new_start_line = $.;         !! 2145                 $new_start_line = $.;
2193                 $state = STATE_BODY;          !! 2146                 $state = STATE_BODY;
2194             } else {                          !! 2147             } else {
2195                 if ($section ne $section_defa !! 2148                 if ($section ne $section_default) {
2196                     $state = STATE_BODY_WITH_ !! 2149                     $state = STATE_BODY_WITH_BLANK_LINE;
2197                 } else {                      !! 2150                 } else {
2198                     $state = STATE_BODY;      !! 2151                     $state = STATE_BODY;
2199                 }                             !! 2152                 }
2200                 $contents .= "\n";            !! 2153                 $contents .= "\n";
2201             }                                 !! 2154             }
2202         } elsif ($state == STATE_BODY_MAYBE)  !! 2155         } elsif ($state == STATE_BODY_MAYBE) {
2203             # Continued declaration purpose   !! 2156             # Continued declaration purpose
2204             chomp($declaration_purpose);      !! 2157             chomp($declaration_purpose);
2205             $declaration_purpose .= " " . $1; !! 2158             $declaration_purpose .= " " . $1;
2206             $declaration_purpose =~ s/\s+/ /g !! 2159             $declaration_purpose =~ s/\s+/ /g;
2207         } else {                              !! 2160         } else {
2208             my $cont = $1;                    !! 2161             my $cont = $1;
2209             if ($section =~ m/^@/ || $section !! 2162             if ($section =~ m/^@/ || $section eq $section_context) {
2210                 if (!defined $leading_space)  !! 2163                 if (!defined $leading_space) {
2211                     if ($cont =~ m/^(\s+)/) { !! 2164                     if ($cont =~ m/^(\s+)/) {
2212                         $leading_space = $1;  !! 2165                         $leading_space = $1;
2213                     } else {                  !! 2166                     } else {
2214                         $leading_space = "";  !! 2167                         $leading_space = "";
2215                     }                         !! 2168                     }
2216                 }                             !! 2169                 }
2217                 $cont =~ s/^$leading_space//; !! 2170                 $cont =~ s/^$leading_space//;
2218             }                                 !! 2171             }
2219             $contents .= $cont . "\n";        !! 2172             $contents .= $cont . "\n";
2220         }                                     !! 2173         }
2221     } else {                                     2174     } else {
2222         # i dont know - bad line?  ignore.    !! 2175         # i dont know - bad line?  ignore.
2223         emit_warning("${file}:$.", "bad line: !! 2176         print STDERR "${file}:$.: warning: bad line: $_";
                                                   >> 2177         ++$warnings;
2224     }                                            2178     }
2225 }                                                2179 }
2226                                                  2180 
2227                                                  2181 
2228 #                                                2182 #
2229 # STATE_PROTO: reading a function/whatever pr    2183 # STATE_PROTO: reading a function/whatever prototype.
2230 #                                                2184 #
2231 sub process_proto($$) {                          2185 sub process_proto($$) {
2232     my $file = shift;                            2186     my $file = shift;
2233                                                  2187 
2234     if (/$doc_inline_oneline/) {                 2188     if (/$doc_inline_oneline/) {
2235         $section = $1;                        !! 2189         $section = $1;
2236         $contents = $2;                       !! 2190         $contents = $2;
2237         if ($contents ne "") {                !! 2191         if ($contents ne "") {
2238             $contents .= "\n";                !! 2192             $contents .= "\n";
2239             dump_section($file, $section, $co !! 2193             dump_section($file, $section, $contents);
2240             $section = $section_default;      !! 2194             $section = $section_default;
2241             $contents = "";                   !! 2195             $contents = "";
2242         }                                     !! 2196         }
2243     } elsif (/$doc_inline_start/) {              2197     } elsif (/$doc_inline_start/) {
2244         $state = STATE_INLINE;                !! 2198         $state = STATE_INLINE;
2245         $inline_doc_state = STATE_INLINE_NAME !! 2199         $inline_doc_state = STATE_INLINE_NAME;
2246     } elsif ($decl_type eq 'function') {         2200     } elsif ($decl_type eq 'function') {
2247         process_proto_function($_, $file);    !! 2201         process_proto_function($_, $file);
2248     } else {                                     2202     } else {
2249         process_proto_type($_, $file);        !! 2203         process_proto_type($_, $file);
2250     }                                            2204     }
2251 }                                                2205 }
2252                                                  2206 
2253 #                                                2207 #
2254 # STATE_DOCBLOCK: within a DOC: block.           2208 # STATE_DOCBLOCK: within a DOC: block.
2255 #                                                2209 #
2256 sub process_docblock($$) {                       2210 sub process_docblock($$) {
2257     my $file = shift;                            2211     my $file = shift;
2258                                                  2212 
2259     if (/$doc_end/) {                            2213     if (/$doc_end/) {
2260         dump_doc_section($file, $section, $co !! 2214         dump_doc_section($file, $section, $contents);
2261         $section = $section_default;          !! 2215         $section = $section_default;
2262         $contents = "";                       !! 2216         $contents = "";
2263         $function = "";                       !! 2217         $function = "";
2264         %parameterdescs = ();                 !! 2218         %parameterdescs = ();
2265         %parametertypes = ();                 !! 2219         %parametertypes = ();
2266         @parameterlist = ();                  !! 2220         @parameterlist = ();
2267         %sections = ();                       !! 2221         %sections = ();
2268         @sectionlist = ();                    !! 2222         @sectionlist = ();
2269         $prototype = "";                      !! 2223         $prototype = "";
2270         $state = STATE_NORMAL;                !! 2224         $state = STATE_NORMAL;
2271     } elsif (/$doc_content/) {                   2225     } elsif (/$doc_content/) {
2272         if ( $1 eq "" )        {              !! 2226         if ( $1 eq "" ) {
2273             $contents .= $blankline;          !! 2227             $contents .= $blankline;
2274         } else {                              !! 2228         } else {
2275             $contents .= $1 . "\n";           !! 2229             $contents .= $1 . "\n";
2276         }                                     !! 2230         }
2277     }                                            2231     }
2278 }                                                2232 }
2279                                                  2233 
2280 #                                                2234 #
2281 # STATE_INLINE: docbook comments within a pro    2235 # STATE_INLINE: docbook comments within a prototype.
2282 #                                                2236 #
2283 sub process_inline($$) {                         2237 sub process_inline($$) {
2284     my $file = shift;                            2238     my $file = shift;
2285                                                  2239 
2286     # First line (state 1) needs to be a @par    2240     # First line (state 1) needs to be a @parameter
2287     if ($inline_doc_state == STATE_INLINE_NAM    2241     if ($inline_doc_state == STATE_INLINE_NAME && /$doc_inline_sect/o) {
2288         $section = $1;                        !! 2242         $section = $1;
2289         $contents = $2;                       !! 2243         $contents = $2;
2290         $new_start_line = $.;                 !! 2244         $new_start_line = $.;
2291         if ($contents ne "") {                !! 2245         if ($contents ne "") {
2292             while (substr($contents, 0, 1) eq !! 2246             while (substr($contents, 0, 1) eq " ") {
2293                 $contents = substr($contents, !! 2247                 $contents = substr($contents, 1);
2294             }                                 !! 2248             }
2295             $contents .= "\n";                !! 2249             $contents .= "\n";
2296         }                                     !! 2250         }
2297         $inline_doc_state = STATE_INLINE_TEXT !! 2251         $inline_doc_state = STATE_INLINE_TEXT;
2298         # Documentation block end */          !! 2252         # Documentation block end */
2299     } elsif (/$doc_inline_end/) {                2253     } elsif (/$doc_inline_end/) {
2300         if (($contents ne "") && ($contents n !! 2254         if (($contents ne "") && ($contents ne "\n")) {
2301             dump_section($file, $section, $co !! 2255             dump_section($file, $section, $contents);
2302             $section = $section_default;      !! 2256             $section = $section_default;
2303             $contents = "";                   !! 2257             $contents = "";
2304         }                                     !! 2258         }
2305         $state = STATE_PROTO;                 !! 2259         $state = STATE_PROTO;
2306         $inline_doc_state = STATE_INLINE_NA;  !! 2260         $inline_doc_state = STATE_INLINE_NA;
2307         # Regular text                        !! 2261         # Regular text
2308     } elsif (/$doc_content/) {                   2262     } elsif (/$doc_content/) {
2309         if ($inline_doc_state == STATE_INLINE !! 2263         if ($inline_doc_state == STATE_INLINE_TEXT) {
2310             $contents .= $1 . "\n";           !! 2264             $contents .= $1 . "\n";
2311             # nuke leading blank lines        !! 2265             # nuke leading blank lines
2312             if ($contents =~ /^\s*$/) {       !! 2266             if ($contents =~ /^\s*$/) {
2313                 $contents = "";               !! 2267                 $contents = "";
2314             }                                 !! 2268             }
2315         } elsif ($inline_doc_state == STATE_I !! 2269         } elsif ($inline_doc_state == STATE_INLINE_NAME) {
2316             $inline_doc_state = STATE_INLINE_ !! 2270             $inline_doc_state = STATE_INLINE_ERROR;
2317             emit_warning("${file}:$.", "Incor !! 2271             print STDERR "${file}:$.: warning: ";
2318         }                                     !! 2272             print STDERR "Incorrect use of kernel-doc format: $_";
                                                   >> 2273             ++$warnings;
                                                   >> 2274         }
2319     }                                            2275     }
2320 }                                                2276 }
2321                                                  2277 
2322                                                  2278 
2323 sub process_file($) {                            2279 sub process_file($) {
2324     my $file;                                    2280     my $file;
2325     my $initial_section_counter = $section_co    2281     my $initial_section_counter = $section_counter;
2326     my ($orig_file) = @_;                        2282     my ($orig_file) = @_;
2327                                                  2283 
2328     $file = map_filename($orig_file);            2284     $file = map_filename($orig_file);
2329                                                  2285 
2330     if (!open(IN_FILE,"<$file")) {               2286     if (!open(IN_FILE,"<$file")) {
2331         print STDERR "Error: Cannot open file !! 2287         print STDERR "Error: Cannot open file $file\n";
2332         ++$errors;                            !! 2288         ++$errors;
2333         return;                               !! 2289         return;
2334     }                                            2290     }
2335                                                  2291 
2336     $. = 1;                                      2292     $. = 1;
2337                                                  2293 
2338     $section_counter = 0;                        2294     $section_counter = 0;
2339     while (<IN_FILE>) {                          2295     while (<IN_FILE>) {
2340         while (!/^ \*/ && s/\\\s*$//) {       !! 2296         while (s/\\\s*$//) {
2341             $_ .= <IN_FILE>;                  !! 2297             $_ .= <IN_FILE>;
2342         }                                     !! 2298         }
2343         # Replace tabs by spaces              !! 2299         # Replace tabs by spaces
2344         while ($_ =~ s/\t+/' ' x (length($&)     2300         while ($_ =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e) {};
2345         # Hand this line to the appropriate s !! 2301         # Hand this line to the appropriate state handler
2346         if ($state == STATE_NORMAL) {         !! 2302         if ($state == STATE_NORMAL) {
2347             process_normal();                 !! 2303             process_normal();
2348         } elsif ($state == STATE_NAME) {      !! 2304         } elsif ($state == STATE_NAME) {
2349             process_name($file, $_);          !! 2305             process_name($file, $_);
2350         } elsif ($state == STATE_BODY || $sta !! 2306         } elsif ($state == STATE_BODY || $state == STATE_BODY_MAYBE ||
2351                  $state == STATE_BODY_WITH_BL !! 2307                  $state == STATE_BODY_WITH_BLANK_LINE) {
2352             process_body($file, $_);          !! 2308             process_body($file, $_);
2353         } elsif ($state == STATE_INLINE) { #  !! 2309         } elsif ($state == STATE_INLINE) { # scanning for inline parameters
2354             process_inline($file, $_);        !! 2310             process_inline($file, $_);
2355         } elsif ($state == STATE_PROTO) {     !! 2311         } elsif ($state == STATE_PROTO) {
2356             process_proto($file, $_);         !! 2312             process_proto($file, $_);
2357         } elsif ($state == STATE_DOCBLOCK) {  !! 2313         } elsif ($state == STATE_DOCBLOCK) {
2358             process_docblock($file, $_);      !! 2314             process_docblock($file, $_);
2359         }                                     !! 2315         }
2360     }                                            2316     }
2361                                                  2317 
2362     # Make sure we got something interesting.    2318     # Make sure we got something interesting.
2363     if ($initial_section_counter == $section_    2319     if ($initial_section_counter == $section_counter && $
2364         output_mode ne "none") {              !! 2320         output_mode ne "none") {
2365         if ($output_selection == OUTPUT_INCLU !! 2321         if ($output_selection == OUTPUT_INCLUDE) {
2366             emit_warning("${file}:1", "'$_' n !! 2322             print STDERR "${file}:1: warning: '$_' not found\n"
2367                 for keys %function_table;     !! 2323                 for keys %function_table;
2368         } else {                              !! 2324         }
2369             emit_warning("${file}:1", "no str !! 2325         else {
2370         }                                     !! 2326             print STDERR "${file}:1: warning: no structured comments found\n";
                                                   >> 2327         }
2371     }                                            2328     }
2372     close IN_FILE;                               2329     close IN_FILE;
2373 }                                                2330 }
2374                                                  2331 
2375                                                  2332 
2376 if ($output_mode eq "rst") {                     2333 if ($output_mode eq "rst") {
2377     get_sphinx_version() if (!$sphinx_major); !! 2334         get_sphinx_version() if (!$sphinx_major);
2378 }                                                2335 }
2379                                                  2336 
2380 $kernelversion = get_kernel_version();           2337 $kernelversion = get_kernel_version();
2381                                                  2338 
2382 # generate a sequence of code that will splic    2339 # generate a sequence of code that will splice in highlighting information
2383 # using the s// operator.                        2340 # using the s// operator.
2384 for (my $k = 0; $k < @highlights; $k++) {        2341 for (my $k = 0; $k < @highlights; $k++) {
2385     my $pattern = $highlights[$k][0];            2342     my $pattern = $highlights[$k][0];
2386     my $result = $highlights[$k][1];             2343     my $result = $highlights[$k][1];
2387 #   print STDERR "scanning pattern:$pattern,     2344 #   print STDERR "scanning pattern:$pattern, highlight:($result)\n";
2388     $dohighlight .=  "\$contents =~ s:$patter    2345     $dohighlight .=  "\$contents =~ s:$pattern:$result:gs;\n";
2389 }                                                2346 }
2390                                                  2347 
2391 # Read the file that maps relative names to a    2348 # Read the file that maps relative names to absolute names for
2392 # separate source and object directories and     2349 # separate source and object directories and for shadow trees.
2393 if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {    2350 if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {
2394     my ($relname, $absname);                  !! 2351         my ($relname, $absname);
2395     while(<SOURCE_MAP>) {                     !! 2352         while(<SOURCE_MAP>) {
2396         chop();                               !! 2353                 chop();
2397         ($relname, $absname) = (split())[0..1 !! 2354                 ($relname, $absname) = (split())[0..1];
2398         $relname =~ s:^/+::;                  !! 2355                 $relname =~ s:^/+::;
2399         $source_map{$relname} = $absname;     !! 2356                 $source_map{$relname} = $absname;
2400     }                                         !! 2357         }
2401     close(SOURCE_MAP);                        !! 2358         close(SOURCE_MAP);
2402 }                                                2359 }
2403                                                  2360 
2404 if ($output_selection == OUTPUT_EXPORTED ||      2361 if ($output_selection == OUTPUT_EXPORTED ||
2405     $output_selection == OUTPUT_INTERNAL) {      2362     $output_selection == OUTPUT_INTERNAL) {
2406                                                  2363 
2407     push(@export_file_list, @ARGV);              2364     push(@export_file_list, @ARGV);
2408                                                  2365 
2409     foreach (@export_file_list) {                2366     foreach (@export_file_list) {
2410         chomp;                                !! 2367         chomp;
2411         process_export_file($_);              !! 2368         process_export_file($_);
2412     }                                            2369     }
2413 }                                                2370 }
2414                                                  2371 
2415 foreach (@ARGV) {                                2372 foreach (@ARGV) {
2416     chomp;                                       2373     chomp;
2417     process_file($_);                            2374     process_file($_);
2418 }                                                2375 }
2419 if ($verbose && $errors) {                       2376 if ($verbose && $errors) {
2420     print STDERR "$errors errors\n";          !! 2377   print STDERR "$errors errors\n";
2421 }                                                2378 }
2422 if ($verbose && $warnings) {                     2379 if ($verbose && $warnings) {
2423     print STDERR "$warnings warnings\n";      !! 2380   print STDERR "$warnings warnings\n";
2424 }                                                2381 }
2425                                                  2382 
2426 if ($Werror && $warnings) {                      2383 if ($Werror && $warnings) {
2427     print STDERR "$warnings warnings as Error    2384     print STDERR "$warnings warnings as Errors\n";
2428     exit($warnings);                             2385     exit($warnings);
2429 } else {                                         2386 } else {
2430     exit($output_mode eq "none" ? 0 : $errors    2387     exit($output_mode eq "none" ? 0 : $errors)
2431 }                                                2388 }
2432                                                  2389 
2433 __END__                                          2390 __END__
2434                                                  2391 
2435 =head1 OPTIONS                                   2392 =head1 OPTIONS
2436                                                  2393 
2437 =head2 Output format selection (mutually excl    2394 =head2 Output format selection (mutually exclusive):
2438                                                  2395 
2439 =over 8                                          2396 =over 8
2440                                                  2397 
2441 =item -man                                       2398 =item -man
2442                                                  2399 
2443 Output troff manual page format.                 2400 Output troff manual page format.
2444                                                  2401 
2445 =item -rst                                       2402 =item -rst
2446                                                  2403 
2447 Output reStructuredText format. This is the d    2404 Output reStructuredText format. This is the default.
2448                                                  2405 
2449 =item -none                                      2406 =item -none
2450                                                  2407 
2451 Do not output documentation, only warnings.      2408 Do not output documentation, only warnings.
2452                                                  2409 
2453 =back                                            2410 =back
2454                                                  2411 
2455 =head2 Output format modifiers                   2412 =head2 Output format modifiers
2456                                                  2413 
2457 =head3 reStructuredText only                     2414 =head3 reStructuredText only
2458                                                  2415 
2459 =over 8                                          2416 =over 8
2460                                                  2417 
2461 =item -sphinx-version VERSION                    2418 =item -sphinx-version VERSION
2462                                                  2419 
2463 Use the ReST C domain dialect compatible with    2420 Use the ReST C domain dialect compatible with a specific Sphinx Version.
2464                                                  2421 
2465 If not specified, kernel-doc will auto-detect    2422 If not specified, kernel-doc will auto-detect using the sphinx-build version
2466 found on PATH.                                   2423 found on PATH.
2467                                                  2424 
2468 =back                                            2425 =back
2469                                                  2426 
2470 =head2 Output selection (mutually exclusive):    2427 =head2 Output selection (mutually exclusive):
2471                                                  2428 
2472 =over 8                                          2429 =over 8
2473                                                  2430 
2474 =item -export                                    2431 =item -export
2475                                                  2432 
2476 Only output documentation for the symbols tha    2433 Only output documentation for the symbols that have been exported using
2477 EXPORT_SYMBOL() and related macros in any inp !! 2434 EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL() in any input FILE or -export-file FILE.
2478                                                  2435 
2479 =item -internal                                  2436 =item -internal
2480                                                  2437 
2481 Only output documentation for the symbols tha    2438 Only output documentation for the symbols that have NOT been exported using
2482 EXPORT_SYMBOL() and related macros in any inp !! 2439 EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL() in any input FILE or -export-file FILE.
2483                                                  2440 
2484 =item -function NAME                             2441 =item -function NAME
2485                                                  2442 
2486 Only output documentation for the given funct    2443 Only output documentation for the given function or DOC: section title.
2487 All other functions and DOC: sections are ign    2444 All other functions and DOC: sections are ignored.
2488                                                  2445 
2489 May be specified multiple times.                 2446 May be specified multiple times.
2490                                                  2447 
2491 =item -nosymbol NAME                             2448 =item -nosymbol NAME
2492                                                  2449 
2493 Exclude the specified symbol from the output     2450 Exclude the specified symbol from the output documentation.
2494                                                  2451 
2495 May be specified multiple times.                 2452 May be specified multiple times.
2496                                                  2453 
2497 =back                                            2454 =back
2498                                                  2455 
2499 =head2 Output selection modifiers:               2456 =head2 Output selection modifiers:
2500                                                  2457 
2501 =over 8                                          2458 =over 8
2502                                                  2459 
2503 =item -no-doc-sections                           2460 =item -no-doc-sections
2504                                                  2461 
2505 Do not output DOC: sections.                     2462 Do not output DOC: sections.
2506                                                  2463 
2507 =item -export-file FILE                          2464 =item -export-file FILE
2508                                                  2465 
2509 Specify an additional FILE in which to look f !! 2466 Specify an additional FILE in which to look for EXPORT_SYMBOL() and
                                                   >> 2467 EXPORT_SYMBOL_GPL().
2510                                                  2468 
2511 To be used with -export or -internal.            2469 To be used with -export or -internal.
2512                                                  2470 
2513 May be specified multiple times.                 2471 May be specified multiple times.
2514                                                  2472 
2515 =back                                            2473 =back
2516                                                  2474 
2517 =head3 reStructuredText only                     2475 =head3 reStructuredText only
2518                                                  2476 
2519 =over 8                                          2477 =over 8
2520                                                  2478 
2521 =item -enable-lineno                             2479 =item -enable-lineno
2522                                                  2480 
2523 Enable output of .. LINENO lines.                2481 Enable output of .. LINENO lines.
2524                                                  2482 
2525 =back                                            2483 =back
2526                                                  2484 
2527 =head2 Other parameters:                         2485 =head2 Other parameters:
2528                                                  2486 
2529 =over 8                                          2487 =over 8
2530                                                  2488 
2531 =item -h, -help                                  2489 =item -h, -help
2532                                                  2490 
2533 Print this help.                                 2491 Print this help.
2534                                                  2492 
2535 =item -v                                         2493 =item -v
2536                                                  2494 
2537 Verbose output, more warnings and other infor    2495 Verbose output, more warnings and other information.
2538                                                  2496 
2539 =item -Werror                                    2497 =item -Werror
2540                                                  2498 
2541 Treat warnings as errors.                        2499 Treat warnings as errors.
2542                                                  2500 
2543 =back                                            2501 =back
2544                                                  2502 
2545 =cut                                             2503 =cut
                                                      

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