src/libfreeswan/libdes/des/asm/perlasm/x86asm.pl

   1 #!/usr/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)=@_;
  19         $filename=$fn;
  20
  21         $cpp=$sol=$aout=$win32=0;
  22         if (    ($type eq "elf"))
  23                 { require "x86unix.pl"; }
  24         elsif ( ($type eq "a.out"))
  25                 { $aout=1; require "x86unix.pl"; }
  26         elsif ( ($type eq "sol"))
  27                 { $sol=1; require "x86unix.pl"; }
  28         elsif ( ($type eq "cpp"))
  29                 { $cpp=1; require "x86unix.pl"; }
  30         elsif ( ($type eq "win32"))
  31                 { $win32=1; require "x86ms.pl"; }
  32         else
  33                 {
  34                 print STDERR <<"EOF";
  35 Pick one target type from
  36         elf     - linux, FreeBSD etc
  37         a.out   - old linux
  38         sol     - x86 solaris
  39         cpp     - format so x86unix.cpp can be used
  40         win32   - Windows 95/Windows NT
  41 EOF
  42                 exit(1);
  43                 }
  44
  45         &asm_init_output();
  46
  47 &comment("Don't even think of reading this code");
  48 &comment("It was automatically generated by $filename");
  49 &comment("Which is a perl program used to generate the x86 assember for");
  50 &comment("any of elf, a.out, BSDI,Win32, or Solaris");
  51 &comment("eric <eay\@cryptsoft.com>");
  52 &comment("");
  53
  54         $filename =~ s/\.pl$//;
  55         &file($filename);
  56         }
  57
  58 sub asm_finish_cpp
  59         {
  60         return unless $cpp;
  61
  62         local($tmp,$i);
  63         foreach $i (&get_labels())
  64                 {
  65                 $tmp.="#define $i _$i\n";
  66                 }
  67         print <<"EOF";
  68 /* Run the C pre-processor over this file with one of the following defined
  69  * ELF - elf object files,
  70  * OUT - a.out object files,
  71  * BSDI - BSDI style a.out object files
  72  * SOL - Solaris style elf
  73  */
  74
  75 #define TYPE(a,b)       .type   a,b
  76 #define SIZE(a,b)       .size   a,b
  77
  78 #if defined(OUT) || defined(BSDI)
  79 $tmp
  80 #endif
  81
  82 #ifdef OUT
  83 #define OK      1
  84 #define ALIGN   4
  85 #endif
  86
  87 #ifdef BSDI
  88 #define OK              1
  89 #define ALIGN           4
  90 #undef SIZE
  91 #undef TYPE
  92 #endif
  93
  94 #if defined(ELF) || defined(SOL)
  95 #define OK              1
  96 #define ALIGN           16
  97 #endif
  98
  99 #ifndef OK
 100 You need to define one of
 101 ELF - elf systems - linux-elf, NetBSD and DG-UX
 102 OUT - a.out systems - linux-a.out and FreeBSD
 103 SOL - solaris systems, which are elf with strange comment lines
 104 BSDI - a.out with a very primative version of as.
 105 #endif
 106
 107 /* Let the Assembler begin :-) */
 108 EOF
 109         }
 110
 111 1;