| 1 | # This File keeps the contents of miniperlmain.c. |
| 2 | # |
| 3 | # It was generated automatically by minimod.PL from the contents |
| 4 | # of miniperlmain.c. Don't edit this file! |
| 5 | # |
| 6 | # ANY CHANGES MADE HERE WILL BE LOST! |
| 7 | # |
| 8 | |
| 9 | |
| 10 | package ExtUtils::Miniperl; |
| 11 | require Exporter; |
| 12 | @ISA = qw(Exporter); |
| 13 | @EXPORT = qw(&writemain); |
| 14 | |
| 15 | $head= <<'EOF!HEAD'; |
| 16 | /* miniperlmain.c |
| 17 | * |
| 18 | * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, |
| 19 | * 2004, 2005 by Larry Wall and others |
| 20 | * |
| 21 | * You may distribute under the terms of either the GNU General Public |
| 22 | * License or the Artistic License, as specified in the README file. |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | /* |
| 27 | * "The Road goes ever on and on, down from the door where it began." |
| 28 | */ |
| 29 | |
| 30 | /* This file contains the main() function for the perl interpreter. |
| 31 | * Note that miniperlmain.c contains main() for the 'miniperl' binary, |
| 32 | * while perlmain.c contains main() for the 'perl' binary. |
| 33 | * |
| 34 | * Miniperl is like perl except that it does not support dynamic loading, |
| 35 | * and in fact is used to build the dynamic modules needed for the 'real' |
| 36 | * perl executable. |
| 37 | */ |
| 38 | |
| 39 | #ifdef OEMVS |
| 40 | #ifdef MYMALLOC |
| 41 | /* sbrk is limited to first heap segment so make it big */ |
| 42 | #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
| 43 | #else |
| 44 | #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
| 45 | #endif |
| 46 | #endif |
| 47 | |
| 48 | |
| 49 | #include "EXTERN.h" |
| 50 | #define PERL_IN_MINIPERLMAIN_C |
| 51 | #include "perl.h" |
| 52 | |
| 53 | static void xs_init (pTHX); |
| 54 | static PerlInterpreter *my_perl; |
| 55 | |
| 56 | #if defined (__MINT__) || defined (atarist) |
| 57 | /* The Atari operating system doesn't have a dynamic stack. The |
| 58 | stack size is determined from this value. */ |
| 59 | long _stksize = 64 * 1024; |
| 60 | #endif |
| 61 | |
| 62 | int |
| 63 | main(int argc, char **argv, char **env) |
| 64 | { |
| 65 | int exitstatus; |
| 66 | (void)env; |
| 67 | #ifndef PERL_USE_SAFE_PUTENV |
| 68 | PL_use_safe_putenv = 0; |
| 69 | #endif /* PERL_USE_SAFE_PUTENV */ |
| 70 | |
| 71 | #ifdef PERL_GLOBAL_STRUCT |
| 72 | #define PERLVAR(var,type) /**/ |
| 73 | #define PERLVARA(var,type) /**/ |
| 74 | #define PERLVARI(var,type,init) PL_Vars.var = init; |
| 75 | #define PERLVARIC(var,type,init) PL_Vars.var = init; |
| 76 | #include "perlvars.h" |
| 77 | #undef PERLVAR |
| 78 | #undef PERLVARA |
| 79 | #undef PERLVARI |
| 80 | #undef PERLVARIC |
| 81 | #endif |
| 82 | |
| 83 | /* if user wants control of gprof profiling off by default */ |
| 84 | /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */ |
| 85 | PERL_GPROF_MONCONTROL(0); |
| 86 | |
| 87 | PERL_SYS_INIT3(&argc,&argv,&env); |
| 88 | |
| 89 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
| 90 | /* XXX Ideally, this should really be happening in perl_alloc() or |
| 91 | * perl_construct() to keep libperl.a transparently fork()-safe. |
| 92 | * It is currently done here only because Apache/mod_perl have |
| 93 | * problems due to lack of a call to cancel pthread_atfork() |
| 94 | * handlers when shared objects that contain the handlers may |
| 95 | * be dlclose()d. This forces applications that embed perl to |
| 96 | * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't |
| 97 | * been called at least once before in the current process. |
| 98 | * --GSAR 2001-07-20 */ |
| 99 | PTHREAD_ATFORK(Perl_atfork_lock, |
| 100 | Perl_atfork_unlock, |
| 101 | Perl_atfork_unlock); |
| 102 | #endif |
| 103 | |
| 104 | if (!PL_do_undump) { |
| 105 | my_perl = perl_alloc(); |
| 106 | if (!my_perl) |
| 107 | exit(1); |
| 108 | perl_construct(my_perl); |
| 109 | PL_perl_destruct_level = 0; |
| 110 | } |
| 111 | PL_exit_flags |= PERL_EXIT_DESTRUCT_END; |
| 112 | exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL); |
| 113 | if (!exitstatus) |
| 114 | perl_run(my_perl); |
| 115 | |
| 116 | exitstatus = perl_destruct(my_perl); |
| 117 | |
| 118 | perl_free(my_perl); |
| 119 | |
| 120 | PERL_SYS_TERM(); |
| 121 | |
| 122 | exit(exitstatus); |
| 123 | return exitstatus; |
| 124 | } |
| 125 | |
| 126 | /* Register any extra external extensions */ |
| 127 | |
| 128 | EOF!HEAD |
| 129 | $tail=<<'EOF!TAIL'; |
| 130 | |
| 131 | static void |
| 132 | xs_init(pTHX) |
| 133 | { |
| 134 | } |
| 135 | |
| 136 | /* |
| 137 | * Local variables: |
| 138 | * c-indentation-style: bsd |
| 139 | * c-basic-offset: 4 |
| 140 | * indent-tabs-mode: t |
| 141 | * End: |
| 142 | * |
| 143 | * ex: set ts=8 sts=4 sw=4 noet: |
| 144 | */ |
| 145 | EOF!TAIL |
| 146 | |
| 147 | sub writemain{ |
| 148 | my(@exts) = @_; |
| 149 | |
| 150 | my($pname); |
| 151 | my($dl) = canon('/','DynaLoader'); |
| 152 | print $head; |
| 153 | |
| 154 | foreach $_ (@exts){ |
| 155 | my($pname) = canon('/', $_); |
| 156 | my($mname, $cname); |
| 157 | ($mname = $pname) =~ s!/!::!g; |
| 158 | ($cname = $pname) =~ s!/!__!g; |
| 159 | print "EXTERN_C void boot_${cname} (pTHX_ CV* cv);\n"; |
| 160 | } |
| 161 | |
| 162 | my ($tail1,$tail2) = ( $tail =~ /\A(.*\n)(\s*\}.*)\Z/s ); |
| 163 | print $tail1; |
| 164 | |
| 165 | print "\tconst char file[] = __FILE__;\n"; |
| 166 | print "\tdXSUB_SYS;\n" if $] > 5.002; |
| 167 | |
| 168 | foreach $_ (@exts){ |
| 169 | my($pname) = canon('/', $_); |
| 170 | my($mname, $cname, $ccode); |
| 171 | ($mname = $pname) =~ s!/!::!g; |
| 172 | ($cname = $pname) =~ s!/!__!g; |
| 173 | print "\t{\n"; |
| 174 | if ($pname eq $dl){ |
| 175 | # Must NOT install 'DynaLoader::boot_DynaLoader' as 'bootstrap'! |
| 176 | # boot_DynaLoader is called directly in DynaLoader.pm |
| 177 | $ccode = "\t/* DynaLoader is a special case */\n |
| 178 | \tnewXS(\"${mname}::boot_${cname}\", boot_${cname}, file);\n"; |
| 179 | print $ccode unless $SEEN{$ccode}++; |
| 180 | } else { |
| 181 | $ccode = "\tnewXS(\"${mname}::bootstrap\", boot_${cname}, file);\n"; |
| 182 | print $ccode unless $SEEN{$ccode}++; |
| 183 | } |
| 184 | print "\t}\n"; |
| 185 | } |
| 186 | print $tail2; |
| 187 | } |
| 188 | |
| 189 | sub canon{ |
| 190 | my($as, @ext) = @_; |
| 191 | foreach(@ext){ |
| 192 | # might be X::Y or lib/auto/X/Y/Y.a |
| 193 | next if s!::!/!g; |
| 194 | s:^(lib|ext)/(auto/)?::; |
| 195 | s:/\w+\.\w+$::; |
| 196 | } |
| 197 | grep(s:/:$as:, @ext) if ($as ne '/'); |
| 198 | @ext; |
| 199 | } |
| 200 | |
| 201 | 1; |
| 202 | __END__ |
| 203 | |
| 204 | =head1 NAME |
| 205 | |
| 206 | ExtUtils::Miniperl, writemain - write the C code for perlmain.c |
| 207 | |
| 208 | =head1 SYNOPSIS |
| 209 | |
| 210 | C<use ExtUtils::Miniperl;> |
| 211 | |
| 212 | C<writemain(@directories);> |
| 213 | |
| 214 | =head1 DESCRIPTION |
| 215 | |
| 216 | This whole module is written when perl itself is built from a script |
| 217 | called minimod.PL. In case you want to patch it, please patch |
| 218 | minimod.PL in the perl distribution instead. |
| 219 | |
| 220 | writemain() takes an argument list of directories containing archive |
| 221 | libraries that relate to perl modules and should be linked into a new |
| 222 | perl binary. It writes to STDOUT a corresponding perlmain.c file that |
| 223 | is a plain C file containing all the bootstrap code to make the |
| 224 | modules associated with the libraries available from within perl. |
| 225 | |
| 226 | The typical usage is from within a Makefile generated by |
| 227 | ExtUtils::MakeMaker. So under normal circumstances you won't have to |
| 228 | deal with this module directly. |
| 229 | |
| 230 | =head1 SEE ALSO |
| 231 | |
| 232 | L<ExtUtils::MakeMaker> |
| 233 | |
| 234 | =cut |
| 235 | |