fitzhardinge | 7e343cd | 2003-12-16 02:14:00 +0000 | [diff] [blame] | 1 | #!/usr/bin/perl |
| 2 | |
jseward | 2886b0e | 2004-01-04 03:46:11 +0000 | [diff] [blame] | 3 | # This file is part of Valgrind, an extensible x86 protected-mode |
| 4 | # emulator for monitoring program execution on x86-Unixes. |
| 5 | # |
| 6 | # Copyright (C) 2000-2004 Julian Seward |
| 7 | # jseward@acm.org |
| 8 | # |
| 9 | # This program is free software; you can redistribute it and/or |
| 10 | # modify it under the terms of the GNU General Public License as |
| 11 | # published by the Free Software Foundation; either version 2 of the |
| 12 | # License, or (at your option) any later version. |
| 13 | # |
| 14 | # This program is distributed in the hope that it will be useful, but |
| 15 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | # General Public License for more details. |
| 18 | # |
| 19 | # You should have received a copy of the GNU General Public License |
| 20 | # along with this program; if not, write to the Free Software |
| 21 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 22 | # 02111-1307, USA. |
| 23 | # |
| 24 | # The GNU General Public License is contained in the file COPYING. |
| 25 | |
nethercote | d1c7140 | 2004-01-04 13:08:56 +0000 | [diff] [blame] | 26 | use strict; |
| 27 | use warnings; |
jseward | 2886b0e | 2004-01-04 03:46:11 +0000 | [diff] [blame] | 28 | |
fitzhardinge | 7e343cd | 2003-12-16 02:14:00 +0000 | [diff] [blame] | 29 | my $output = shift @ARGV; |
| 30 | my $indent = ""; |
| 31 | my $headerguard; |
| 32 | my $include; |
| 33 | my $passcomment = 1; |
nethercote | d1c7140 | 2004-01-04 13:08:56 +0000 | [diff] [blame] | 34 | my $pre; |
| 35 | my $post; |
| 36 | my $generate; |
fitzhardinge | 7e343cd | 2003-12-16 02:14:00 +0000 | [diff] [blame] | 37 | |
| 38 | my $struct = "VG_(tool_interface)"; |
| 39 | |
| 40 | my %pfxmap = ("track" => "SK_", |
| 41 | "tool" => "SK_", |
| 42 | "malloc"=> "SK_", |
| 43 | ); |
| 44 | |
| 45 | sub getargnames(@) { |
| 46 | my @args = @_; |
| 47 | my @ret; |
| 48 | |
| 49 | foreach my $a (@args) { |
| 50 | my @pieces = split /\s+/, $a; |
| 51 | my $name = pop @pieces; |
| 52 | push @ret, $name unless $name eq "void"; |
| 53 | } |
| 54 | return @ret; |
| 55 | } |
| 56 | |
| 57 | sub getargtypes(@) { |
| 58 | my @args = @_; |
| 59 | my @ret; |
| 60 | |
| 61 | foreach my $a (@args) { |
| 62 | my @pieces = split /\s+/, $a; |
| 63 | pop @pieces; |
| 64 | push @ret, (join " ", @pieces); |
| 65 | } |
| 66 | @ret = "void" if ($#ret == -1); |
| 67 | return @ret; |
| 68 | } |
| 69 | |
| 70 | # Different output modes |
| 71 | if ($output eq "callwrap") { |
| 72 | $include = "vg_include.h"; |
| 73 | $generate = sub ($$$@) { |
| 74 | my ($pfx, $ret, $func, @args) = @_; |
| 75 | my $args = join ", ", @args; |
| 76 | my $argnames = join ", ", getargnames(@args); |
| 77 | print "$ret $pfxmap{$pfx}($func)($args)\n{\n"; |
| 78 | print " return (*$struct.${pfx}_$func)($argnames);\n"; |
| 79 | print "}\n"; |
| 80 | } |
| 81 | } elsif ($output eq "proto") { |
| 82 | $include = "vg_include.h"; |
| 83 | $generate = sub ($$$@) { |
| 84 | my ($pfx, $ret, $func, @args) = @_; |
| 85 | my $args = join ', ', @args; |
| 86 | |
| 87 | print "$ret $pfxmap{$pfx}($func)($args);\n"; |
| 88 | print "Bool VG_(defined_$func)(void);\n"; |
| 89 | } |
| 90 | } elsif ($output eq "toolproto") { |
| 91 | $generate = sub ($$$@) { |
| 92 | my ($pfx, $ret, $func, @args) = @_; |
| 93 | my $args = join ', ', @args; |
| 94 | |
| 95 | print "$ret $pfxmap{$pfx}($func)($args);\n"; |
| 96 | } |
| 97 | } elsif ($output eq "missingfuncs") { |
| 98 | $include = "vg_include.h"; |
| 99 | $generate = sub ($$$@) { |
| 100 | my ($pfx, $ret, $func, @args) = @_; |
| 101 | my $args = join ", ", @args; |
| 102 | |
| 103 | print "static $ret missing_${pfx}_$func($args) {\n"; |
| 104 | print " VG_(missing_tool_func)(\"${pfx}_$func\");\n"; |
| 105 | print "}\n"; |
| 106 | print "Bool VG_(defined_$func)(void) {\n"; |
| 107 | print " return $struct.${pfx}_$func != missing_${pfx}_$func;\n"; |
| 108 | print "}\n\n"; |
| 109 | }; |
| 110 | $indent = " "; |
| 111 | } elsif ($output eq "struct") { |
| 112 | $include = "vg_include.h"; |
| 113 | $pre = sub () { |
| 114 | print "typedef struct {\n"; |
| 115 | }; |
| 116 | $post = sub () { |
| 117 | print "} VgToolInterface;\n\n"; |
| 118 | print "extern VgToolInterface $struct;\n" |
| 119 | }; |
| 120 | $generate = sub ($$$@) { |
| 121 | my ($pfx, $ret, $func, @args) = @_; |
| 122 | my $args = join ", ", @args; |
| 123 | |
| 124 | print "$indent$ret (*${pfx}_$func)($args);\n"; |
| 125 | }; |
| 126 | $indent = " "; |
| 127 | $headerguard=$output; |
| 128 | } elsif ($output eq "structdef") { |
| 129 | $include = "vg_toolint.h"; |
| 130 | $pre = sub () { |
| 131 | print "VgToolInterface $struct = {\n"; |
| 132 | }; |
| 133 | $post = sub () { |
| 134 | print "};\n"; |
| 135 | }; |
| 136 | $generate = sub ($$$@) { |
| 137 | my ($pfx, $ret, $func, @args) = @_; |
| 138 | |
| 139 | print "$indent.${pfx}_$func = missing_${pfx}_$func,\n" |
| 140 | }; |
| 141 | $indent = " "; |
| 142 | } elsif ($output eq "initfunc") { |
| 143 | $include = "vg_skin.h"; |
| 144 | $generate = sub ($$$@) { |
| 145 | my ($pfx, $ret, $func, @args) = @_; |
| 146 | my $args = join ", ", @args; |
| 147 | my $argnames = join ", ", getargnames(@args); |
| 148 | |
| 149 | print <<EOF; |
| 150 | void VG_(init_$func)($ret (*func)($args)) |
| 151 | { |
| 152 | if (func == NULL) |
| 153 | func = missing_${pfx}_$func; |
| 154 | if (VG_(defined_$func)()) |
| 155 | VG_(printf)("Warning tool is redefining $func\\n"); |
| 156 | if (func == SK_($func)) |
| 157 | VG_(printf)("Warning tool is defining $func recursively\\n"); |
| 158 | $struct.${pfx}_$func = func; |
| 159 | } |
| 160 | EOF |
| 161 | } |
| 162 | } elsif ($output eq "initproto") { |
| 163 | $generate = sub ($$$@) { |
| 164 | my ($pfx, $ret, $func, @args) = @_; |
| 165 | my $args = join ', ', @args; |
| 166 | print "void VG_(init_$func)($ret (*func)($args));\n"; |
| 167 | }; |
| 168 | $headerguard=$output; |
| 169 | } elsif ($output eq "initdlsym") { |
| 170 | $pre = sub () { |
| 171 | print <<EOF; |
| 172 | #include <dlfcn.h> |
| 173 | void VG_(tool_init_dlsym)(void *dlhandle) |
| 174 | { |
| 175 | void *ret; |
| 176 | |
| 177 | EOF |
| 178 | }; |
| 179 | $post = sub () { |
| 180 | print "}\n"; |
| 181 | }; |
| 182 | $generate = sub ($$$@) { |
| 183 | my ($pfx, $ret, $func, @args) = @_; |
| 184 | my $args = join ", ", getargtypes(@args); |
| 185 | |
| 186 | print <<EOF; |
| 187 | ret = dlsym(dlhandle, "vgSkin_$func"); |
| 188 | if (ret != NULL) |
| 189 | VG_(init_$func)(($ret (*)($args))ret); |
| 190 | |
| 191 | EOF |
| 192 | }; |
| 193 | |
| 194 | $passcomment = 0; |
| 195 | } |
| 196 | |
| 197 | die "Unknown output format \"$output\"" unless defined $generate; |
| 198 | |
| 199 | print "/* Generated by \"gen_toolint.pl $output\" */\n"; |
| 200 | |
| 201 | print <<EOF if defined $headerguard; |
| 202 | |
| 203 | #ifndef VG_toolint_$headerguard |
| 204 | #define VG_toolint_$headerguard |
| 205 | |
| 206 | EOF |
| 207 | |
| 208 | print <<EOF if defined $include; |
| 209 | #include \"$include\" |
| 210 | EOF |
| 211 | |
| 212 | &$pre() if defined $pre; # preamble |
| 213 | |
| 214 | my $state = "idle"; |
| 215 | |
| 216 | my $buf; |
| 217 | my $lines; |
nethercote | d1c7140 | 2004-01-04 13:08:56 +0000 | [diff] [blame] | 218 | my $prefix; |
fitzhardinge | 7e343cd | 2003-12-16 02:14:00 +0000 | [diff] [blame] | 219 | |
| 220 | while(<STDIN>) { |
| 221 | # skip simple comments |
| 222 | next if (/^#[^#]/); |
| 223 | |
| 224 | if (/^:/) { |
| 225 | s/^://; |
| 226 | chomp; |
| 227 | $prefix=$_; |
| 228 | next; |
| 229 | } |
| 230 | |
| 231 | # look for inserted comments |
| 232 | if (/^##/) { |
| 233 | if ($state eq "idle") { |
| 234 | $state = "comment"; |
| 235 | $lines = 1; |
| 236 | $_ =~ s,^## ,/* ,; |
| 237 | $buf = $_; |
| 238 | next; |
| 239 | } elsif ($state eq "comment") { |
| 240 | $lines++; |
| 241 | $_ =~ s,^## , ,; |
| 242 | print $indent.$buf if $passcomment; |
| 243 | $buf = $_; |
| 244 | next; |
| 245 | } |
| 246 | next; |
| 247 | } |
| 248 | |
| 249 | # blank lines in a comment are part of the comment |
| 250 | if (/^\s*$/) { |
| 251 | if ($state eq "comment") { |
| 252 | $lines++; |
| 253 | print $indent.$buf if $passcomment; |
| 254 | $buf = "\n"; |
| 255 | } else { |
| 256 | print "\n" if $passcomment; |
| 257 | } |
| 258 | next; |
| 259 | } |
| 260 | |
| 261 | # coming out of a comment |
| 262 | if ($state eq "comment") { |
| 263 | chomp $buf; |
| 264 | |
| 265 | if ($passcomment) { |
| 266 | if ($lines == 1) { |
| 267 | print "$indent$buf */\n"; |
| 268 | } else { |
| 269 | print "$indent$buf\n$indent */\n"; |
| 270 | } |
| 271 | } |
| 272 | $buf = ""; |
| 273 | $state = "idle"; |
| 274 | } |
| 275 | |
| 276 | chomp; |
| 277 | my @func = split /,\s*/; |
| 278 | |
| 279 | my $rettype = shift @func; |
| 280 | my $funcname = shift @func; |
| 281 | |
| 282 | @func = "void" if scalar @func == 0; |
| 283 | |
| 284 | &$generate ($prefix, $rettype, $funcname, @func); |
| 285 | } |
| 286 | |
| 287 | &$post() if defined $post; # postamble |
| 288 | |
| 289 | print <<EOF if defined $headerguard; |
| 290 | |
| 291 | #endif /* VG_toolint_$headerguard */ |
| 292 | EOF |