crypto/openssl-0.9.7e/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=$sol=$aout=$win32=$gaswin=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 "gaswin"))
  27                 { $gaswin=1; $aout=1; require "x86unix.pl"; }
  28         elsif ( ($type eq "sol"))
  29                 { $sol=1; require "x86unix.pl"; }
  30         elsif ( ($type eq "cpp"))
  31                 { $cpp=1; require "x86unix.pl"; }
  32         elsif ( ($type eq "win32"))
  33                 { $win32=1; require "x86ms.pl"; }
  34         elsif ( ($type eq "win32n"))
  35                 { $win32=1; require "x86nasm.pl"; }
  36         else
  37                 {
  38                 print STDERR <<"EOF";
  39 Pick one target type from
  40         elf     - linux, FreeBSD etc
  41         a.out   - old linux
  42         sol     - x86 solaris
  43         cpp     - format so x86unix.cpp can be used
  44         win32   - Windows 95/Windows NT
  45         win32n  - Windows 95/Windows NT NASM format
  46 EOF
  47                 exit(1);
  48                 }
  49
  50         $pic=0;
  51         for (@ARGV) {   $pic=1 if (/\-[fK]PIC/i);       }
  52
  53         &asm_init_output();
  54
  55 &comment("Don't even think of reading this code");
  56 &comment("It was automatically generated by $filename");
  57 &comment("Which is a perl program used to generate the x86 assember for");
  58 &comment("any of elf, a.out, BSDI, Win32, gaswin (for GNU as on Win32) or Solaris");
  59 &comment("eric <eay\@cryptsoft.com>");
  60 &comment("");
  61
  62         $filename =~ s/\.pl$//;
  63         &file($filename);
  64         }
  65
  66 sub asm_finish_cpp
  67         {
  68         return unless $cpp;
  69
  70         local($tmp,$i);
  71         foreach $i (&get_labels())
  72                 {
  73                 $tmp.="#define $i _$i\n";
  74                 }
  75         print <<"EOF";
  76 /* Run the C pre-processor over this file with one of the following defined
  77  * ELF - elf object files,
  78  * OUT - a.out object files,
  79  * BSDI - BSDI style a.out object files
  80  * SOL - Solaris style elf
  81  */
  82
  83 #define TYPE(a,b)       .type   a,b
  84 #define SIZE(a,b)       .size   a,b
  85
  86 #if defined(OUT) || (defined(BSDI) && !defined(ELF))
  87 $tmp
  88 #endif
  89
  90 #ifdef OUT
  91 #define OK      1
  92 #define ALIGN   4
  93 #if defined(__CYGWIN__) || defined(__DJGPP__)
  94 #undef SIZE
  95 #undef TYPE
  96 #define SIZE(a,b)
  97 #define TYPE(a,b)       .def a; .scl 2; .type 32; .endef
  98 #endif /* __CYGWIN || __DJGPP */
  99 #endif
 100
 101 #if defined(BSDI) && !defined(ELF)
 102 #define OK              1
 103 #define ALIGN           4
 104 #undef SIZE
 105 #undef TYPE
 106 #define SIZE(a,b)
 107 #define TYPE(a,b)
 108 #endif
 109
 110 #if defined(ELF) || defined(SOL)
 111 #define OK              1
 112 #define ALIGN           16
 113 #endif
 114
 115 #ifndef OK
 116 You need to define one of
 117 ELF - elf systems - linux-elf, NetBSD and DG-UX
 118 OUT - a.out systems - linux-a.out and FreeBSD
 119 SOL - solaris systems, which are elf with strange comment lines
 120 BSDI - a.out with a very primative version of as.
 121 #endif
 122
 123 /* Let the Assembler begin :-) */
 124 EOF
 125         }
 126
 127 1;