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TOMOYO Linux Cross Reference
Linux/scripts/kernel-doc

Version: ~ [ linux-6.11.5 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.58 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.114 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.169 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.228 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.284 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.322 ] ~ [ 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-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /scripts/kernel-doc (Version linux-6.11.5) and /scripts/kernel-doc (Version linux-6.3.13)


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

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