diff options
Diffstat (limited to 'openssl/crypto/perlasm/x86nasm.pl')
| -rw-r--r-- | openssl/crypto/perlasm/x86nasm.pl | 455 |
1 files changed, 455 insertions, 0 deletions
diff --git a/openssl/crypto/perlasm/x86nasm.pl b/openssl/crypto/perlasm/x86nasm.pl new file mode 100644 index 000000000..fa38f89c0 --- /dev/null +++ b/openssl/crypto/perlasm/x86nasm.pl @@ -0,0 +1,455 @@ +#!/usr/local/bin/perl + +package x86nasm; + +$label="L000"; +$under=($main'netware)?'':'_'; + +%lb=( 'eax', 'al', + 'ebx', 'bl', + 'ecx', 'cl', + 'edx', 'dl', + 'ax', 'al', + 'bx', 'bl', + 'cx', 'cl', + 'dx', 'dl', + ); + +%hb=( 'eax', 'ah', + 'ebx', 'bh', + 'ecx', 'ch', + 'edx', 'dh', + 'ax', 'ah', + 'bx', 'bh', + 'cx', 'ch', + 'dx', 'dh', + ); + +sub main'asm_init_output { @out=(); } +sub main'asm_get_output { return(@out); } +sub main'get_labels { return(@labels); } + +sub main'external_label +{ + push(@labels,@_); + foreach (@_) { + push(@out,".") if ($main'mwerks); + push(@out, "extern\t${under}$_\n"); + } +} + +sub main'LB + { + (defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n"; + return($lb{$_[0]}); + } + +sub main'HB + { + (defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n"; + return($hb{$_[0]}); + } + +sub main'BP + { + &get_mem("BYTE",@_); + } + +sub main'DWP + { + &get_mem("DWORD",@_); + } + +sub main'QWP + { + &get_mem("",@_); + } + +sub main'BC + { + return (($main'mwerks)?"":"BYTE ")."@_"; + } + +sub main'DWC + { + return (($main'mwerks)?"":"DWORD ")."@_"; + } + +sub main'stack_push + { + my($num)=@_; + $stack+=$num*4; + &main'sub("esp",$num*4); + } + +sub main'stack_pop + { + my($num)=@_; + $stack-=$num*4; + &main'add("esp",$num*4); + } + +sub get_mem + { + my($size,$addr,$reg1,$reg2,$idx)=@_; + my($t,$post); + my($ret)=$size; + if ($ret ne "") + { + $ret .= " PTR" if ($main'mwerks); + $ret .= " "; + } + $ret .= "["; + $addr =~ s/^\s+//; + if ($addr =~ /^(.+)\+(.+)$/) + { + $reg2=&conv($1); + $addr="$under$2"; + } + elsif ($addr =~ /^[_a-z][_a-z0-9]*$/i) + { + $addr="$under$addr"; + } + + if ($addr =~ /^.+\-.+$/) { $addr="($addr)"; } + + $reg1="$regs{$reg1}" if defined($regs{$reg1}); + $reg2="$regs{$reg2}" if defined($regs{$reg2}); + if (($addr ne "") && ($addr ne 0)) + { + if ($addr !~ /^-/) + { $ret.="${addr}+"; } + else { $post=$addr; } + } + if ($reg2 ne "") + { + $t=""; + $t="*$idx" if ($idx != 0); + $reg1="+".$reg1 if ("$reg1$post" ne ""); + $ret.="$reg2$t$reg1$post]"; + } + else + { + $ret.="$reg1$post]" + } + $ret =~ s/\+\]/]/; # in case $addr was the only argument + return($ret); + } + +sub main'mov { &out2("mov",@_); } +sub main'movb { &out2("mov",@_); } +sub main'and { &out2("and",@_); } +sub main'or { &out2("or",@_); } +sub main'shl { &out2("shl",@_); } +sub main'shr { &out2("shr",@_); } +sub main'xor { &out2("xor",@_); } +sub main'xorb { &out2("xor",@_); } +sub main'add { &out2("add",@_); } +sub main'adc { &out2("adc",@_); } +sub main'sub { &out2("sub",@_); } +sub main'sbb { &out2("sbb",@_); } +sub main'rotl { &out2("rol",@_); } +sub main'rotr { &out2("ror",@_); } +sub main'exch { &out2("xchg",@_); } +sub main'cmp { &out2("cmp",@_); } +sub main'lea { &out2("lea",@_); } +sub main'mul { &out1("mul",@_); } +sub main'imul { &out2("imul",@_); } +sub main'div { &out1("div",@_); } +sub main'dec { &out1("dec",@_); } +sub main'inc { &out1("inc",@_); } +sub main'jmp { &out1("jmp",@_); } +sub main'jmp_ptr { &out1p("jmp",@_); } + +# This is a bit of a kludge: declare all branches as NEAR. +$near=($main'mwerks)?'':'NEAR'; +sub main'je { &out1("je $near",@_); } +sub main'jle { &out1("jle $near",@_); } +sub main'jz { &out1("jz $near",@_); } +sub main'jge { &out1("jge $near",@_); } +sub main'jl { &out1("jl $near",@_); } +sub main'ja { &out1("ja $near",@_); } +sub main'jae { &out1("jae $near",@_); } +sub main'jb { &out1("jb $near",@_); } +sub main'jbe { &out1("jbe $near",@_); } +sub main'jc { &out1("jc $near",@_); } +sub main'jnc { &out1("jnc $near",@_); } +sub main'jnz { &out1("jnz $near",@_); } +sub main'jne { &out1("jne $near",@_); } +sub main'jno { &out1("jno $near",@_); } + +sub main'push { &out1("push",@_); $stack+=4; } +sub main'pop { &out1("pop",@_); $stack-=4; } +sub main'pushf { &out0("pushfd"); $stack+=4; } +sub main'popf { &out0("popfd"); $stack-=4; } +sub main'bswap { &out1("bswap",@_); &using486(); } +sub main'not { &out1("not",@_); } +sub main'call { &out1("call",($_[0]=~/^\@L/?'':$under).$_[0]); } +sub main'call_ptr { &out1p("call",@_); } +sub main'ret { &out0("ret"); } +sub main'nop { &out0("nop"); } +sub main'test { &out2("test",@_); } +sub main'bt { &out2("bt",@_); } +sub main'leave { &out0("leave"); } +sub main'cpuid { &out0("cpuid"); } +sub main'rdtsc { &out0("rdtsc"); } +sub main'halt { &out0("hlt"); } +sub main'movz { &out2("movzx",@_); } +sub main'neg { &out1("neg",@_); } +sub main'cld { &out0("cld"); } + +# SSE2 +sub main'emms { &out0("emms"); } +sub main'movd { &out2("movd",@_); } +sub main'movq { &out2("movq",@_); } +sub main'movdqu { &out2("movdqu",@_); } +sub main'movdqa { &out2("movdqa",@_); } +sub main'movdq2q{ &out2("movdq2q",@_); } +sub main'movq2dq{ &out2("movq2dq",@_); } +sub main'paddq { &out2("paddq",@_); } +sub main'pmuludq{ &out2("pmuludq",@_); } +sub main'psrlq { &out2("psrlq",@_); } +sub main'psllq { &out2("psllq",@_); } +sub main'pxor { &out2("pxor",@_); } +sub main'por { &out2("por",@_); } +sub main'pand { &out2("pand",@_); } + +sub out2 + { + my($name,$p1,$p2)=@_; + my($l,$t); + + push(@out,"\t$name\t"); + if (!$main'mwerks and $name eq "lea") + { + $p1 =~ s/^[^\[]*\[/\[/; + $p2 =~ s/^[^\[]*\[/\[/; + } + $t=&conv($p1).","; + $l=length($t); + push(@out,$t); + $l=4-($l+9)/8; + push(@out,"\t" x $l); + push(@out,&conv($p2)); + push(@out,"\n"); + } + +sub out0 + { + my($name)=@_; + + push(@out,"\t$name\n"); + } + +sub out1 + { + my($name,$p1)=@_; + my($l,$t); + push(@out,"\t$name\t".&conv($p1)."\n"); + } + +sub conv + { + my($p)=@_; + $p =~ s/0x([0-9A-Fa-f]+)/0$1h/; + return $p; + } + +sub using486 + { + return if $using486; + $using486++; + grep(s/\.386/\.486/,@out); + } + +sub main'file + { + if ($main'mwerks) { push(@out,".section\t.text\n"); } + else { + local $tmp=<<___; +%ifdef __omf__ +section code use32 class=code +%else +section .text +%endif +___ + push(@out,$tmp); + } + } + +sub main'function_begin + { + my($func,$extra)=@_; + + push(@labels,$func); + push(@out,".") if ($main'mwerks); + my($tmp)=<<"EOF"; +global $under$func +$under$func: + push ebp + push ebx + push esi + push edi +EOF + push(@out,$tmp); + $stack=20; + } + +sub main'function_begin_B + { + my($func,$extra)=@_; + push(@out,".") if ($main'mwerks); + my($tmp)=<<"EOF"; +global $under$func +$under$func: +EOF + push(@out,$tmp); + $stack=4; + } + +sub main'function_end + { + my($func)=@_; + + my($tmp)=<<"EOF"; + pop edi + pop esi + pop ebx + pop ebp + ret +EOF + push(@out,$tmp); + $stack=0; + %label=(); + } + +sub main'function_end_B + { + $stack=0; + %label=(); + } + +sub main'function_end_A + { + my($func)=@_; + + my($tmp)=<<"EOF"; + pop edi + pop esi + pop ebx + pop ebp + ret +EOF + push(@out,$tmp); + } + +sub main'file_end + { + } + +sub main'wparam + { + my($num)=@_; + + return(&main'DWP($stack+$num*4,"esp","",0)); + } + +sub main'swtmp + { + return(&main'DWP($_[0]*4,"esp","",0)); + } + +# Should use swtmp, which is above esp. Linix can trash the stack above esp +#sub main'wtmp +# { +# my($num)=@_; +# +# return(&main'DWP(-(($num+1)*4),"esp","",0)); +# } + +sub main'comment + { + foreach (@_) + { + push(@out,"\t; $_\n"); + } + } + +sub main'public_label + { + $label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]})); + push(@out,".") if ($main'mwerks); + push(@out,"global\t$label{$_[0]}\n"); + } + +sub main'label + { + if (!defined($label{$_[0]})) + { + $label{$_[0]}="\@${label}${_[0]}"; + $label++; + } + return($label{$_[0]}); + } + +sub main'set_label + { + if (!defined($label{$_[0]})) + { + $label{$_[0]}="\@${label}${_[0]}"; + $label++; + } + if ($_[1]!=0 && $_[1]>1) + { + main'align($_[1]); + } + push(@out,"$label{$_[0]}:\n"); + } + +sub main'data_byte + { + push(@out,(($main'mwerks)?".byte\t":"DB\t").join(',',@_)."\n"); + } + +sub main'data_word + { + push(@out,(($main'mwerks)?".long\t":"DD\t").join(',',@_)."\n"); + } + +sub main'align + { + push(@out,".") if ($main'mwerks); + push(@out,"align\t$_[0]\n"); + } + +sub out1p + { + my($name,$p1)=@_; + my($l,$t); + + push(@out,"\t$name\t".&conv($p1)."\n"); + } + +sub main'picmeup + { + local($dst,$sym)=@_; + &main'lea($dst,&main'DWP($sym)); + } + +sub main'blindpop { &out1("pop",@_); } + +sub main'initseg + { + local($f)=@_; + if ($main'win32) + { + local($tmp)=<<___; +segment .CRT\$XCU data +extern $under$f +DD $under$f +___ + push(@out,$tmp); + } + } + +1; |