crypto/openssl-0.9/crypto/perlasm/x86asm.pl

   1 #!/usr/local/bin/perl
   2
   3 # require 'x86asm.pl';
   4 # &asm_init("cpp","des-586.pl");
   5 # XXX
   6 # XXX
   7 # main'asm_finish
   8
   9 sub main'asm_finish
  10         {
  11         &file_end();
  12         &asm_finish_cpp() if $cpp;
  13         print &asm_get_output();
  14         }
  15
  16 sub main'asm_init
  17         {
  18         ($type,$fn,$i386)=@_;
  19         $filename=$fn;
  20
  21         $elf=$cpp=$coff=$aout=$win32=$netware=$mwerks=0;
  22         if (    ($type eq "elf"))
  23                 { $elf=1; require "x86unix.pl"; }
  24         elsif ( ($type eq "a.out"))
  25                 { $aout=1; require "x86unix.pl"; }
  26         elsif ( ($type eq "coff" or $type eq "gaswin"))
  27                 { $coff=1; require "x86unix.pl"; }
  28         elsif ( ($type eq "cpp"))
  29                 { $cpp=1; require "x86unix.pl"; }
  30         elsif ( ($type eq "win32"))
  31                 { $win32=1; require "x86ms.pl"; }
  32         elsif ( ($type eq "win32n"))
  33                 { $win32=1; require "x86nasm.pl"; }
  34         elsif ( ($type eq "nw-nasm"))
  35                 { $netware=1; require "x86nasm.pl"; }
  36         elsif ( ($type eq "nw-mwasm"))
  37                 { $netware=1; $mwerks=1; require "x86nasm.pl"; }
  38         else
  39                 {
  40                 print STDERR <<"EOF";
  41 Pick one target type from
  42         elf     - Linux, FreeBSD, Solaris x86, etc.
  43         a.out   - OpenBSD, DJGPP, etc.
  44         coff    - GAS/COFF such as Win32 targets
  45         win32   - Windows 95/Windows NT
  46         win32n  - Windows 95/Windows NT NASM format
  47         nw-nasm - NetWare NASM format
  48         nw-mwasm- NetWare Metrowerks Assembler
  49 EOF
  50                 exit(1);
  51                 }
  52
  53         $pic=0;
  54         for (@ARGV) {   $pic=1 if (/\-[fK]PIC/i);       }
  55
  56         &asm_init_output();
  57
  58 &comment("Don't even think of reading this code");
  59 &comment("It was automatically generated by $filename");
  60 &comment("Which is a perl program used to generate the x86 assember for");
  61 &comment("any of ELF, a.out, COFF, Win32, ...");
  62 &comment("eric <eay\@cryptsoft.com>");
  63 &comment("");
  64
  65         $filename =~ s/\.pl$//;
  66         &file($filename);
  67         }
  68
  69 sub asm_finish_cpp
  70         {
  71         return unless $cpp;
  72
  73         local($tmp,$i);
  74         foreach $i (&get_labels())
  75                 {
  76                 $tmp.="#define $i _$i\n";
  77                 }
  78         print <<"EOF";
  79 /* Run the C pre-processor over this file with one of the following defined
  80  * ELF - elf object files,
  81  * OUT - a.out object files,
  82  * BSDI - BSDI style a.out object files
  83  * SOL - Solaris style elf
  84  */
  85
  86 #define TYPE(a,b)       .type   a,b
  87 #define SIZE(a,b)       .size   a,b
  88
  89 #if defined(OUT) || (defined(BSDI) && !defined(ELF))
  90 $tmp
  91 #endif
  92
  93 #ifdef OUT
  94 #define OK      1
  95 #define ALIGN   4
  96 #if defined(__CYGWIN__) || defined(__DJGPP__) || (__MINGW32__)
  97 #undef SIZE
  98 #undef TYPE
  99 #define SIZE(a,b)
 100 #define TYPE(a,b)       .def a; .scl 2; .type 32; .endef
 101 #endif /* __CYGWIN || __DJGPP */
 102 #endif
 103
 104 #if defined(BSDI) && !defined(ELF)
 105 #define OK              1
 106 #define ALIGN           4
 107 #undef SIZE
 108 #undef TYPE
 109 #define SIZE(a,b)
 110 #define TYPE(a,b)
 111 #endif
 112
 113 #if defined(ELF) || defined(SOL)
 114 #define OK              1
 115 #define ALIGN           16
 116 #endif
 117
 118 #ifndef OK
 119 You need to define one of
 120 ELF - elf systems - linux-elf, NetBSD and DG-UX
 121 OUT - a.out systems - linux-a.out and FreeBSD
 122 SOL - solaris systems, which are elf with strange comment lines
 123 BSDI - a.out with a very primative version of as.
 124 #endif
 125
 126 /* Let the Assembler begin :-) */
 127 EOF
 128         }
 129
 130 1;