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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-6.1.116)


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

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