Remove x86ms.pl and reimplement x86*.pl.

This commit is contained in:
Andy Polyakov 2006-09-18 19:17:09 +00:00
parent 3a8012cbf2
commit 4b67fefe5a
4 changed files with 573 additions and 1733 deletions

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@ -1,48 +1,129 @@
#!/usr/local/bin/perl
#!/usr/bin/env perl
# require 'x86asm.pl';
# &asm_init("cpp","des-586.pl");
# XXX
# XXX
# main'asm_finish
# &asm_init(<flavor>,"des-586.pl"[,$i386only]);
# &function_begin("foo");
# ...
# &function_end("foo");
# &asm_finish
sub main'asm_finish
{
&file_end();
&asm_finish_cpp() if $cpp;
print &asm_get_output();
# AUTOLOAD is this context has quite unpleasant side effect, namely
# that typos in function calls effectively go to assembler output,
# but on the pros side we don't have to implement one subroutine per
# each opcode...
sub ::AUTOLOAD
{ my $opcode = $AUTOLOAD;
die "more than 2 arguments passed to $opcode" if ($#_>1);
$opcode =~ s/.*:://;
if ($opcode =~ /^push/) { $stack+=4; }
elsif ($opcode =~ /^pop/) { $stack-=4; }
&generic($opcode,@_) or die "undefined subroutine \&$AUTOLOAD";
}
$out=();
$i386=0;
sub ::emit
{ my $opcode=shift;
if ($#_==-1) { push(@out,"\t$opcode\n"); }
else { push(@out,"\t$opcode\t".join(',',@_)."\n"); }
}
sub ::LB
{ $_[0] =~ m/^e?([a-d])x$/o or die "$_[0] does not have a 'low byte'";
$1."l";
}
sub ::HB
{ $_[0] =~ m/^e?([a-d])x$/o or die "$_[0] does not have a 'high byte'";
$1."h";
}
sub ::stack_push{ my $num=$_[0]*4; $stack+=$num; &sub("esp",$num); }
sub ::stack_pop { my $num=$_[0]*4; $stack-=$num; &add("esp",$num); }
sub ::blindpop { &pop($_[0]); $stack+=4; }
sub ::wparam { &DWP($stack+4*$_[0],"esp"); }
sub ::swtmp { &DWP(4*$_[0],"esp"); }
sub ::bswap
{ if ($i386) # emulate bswap for i386
{ &comment("bswap @_");
&xchg(&HB(@_),&LB(@_));
&ror (@_,16);
&xchg(&HB(@_),&LB(@_));
}
else
{ &generic("bswap",@_); }
}
# These are made-up opcodes introduced over the years essentially
# by ignorance, just alias them to real ones...
sub ::movb { &mov(@_); }
sub ::xorb { &xor(@_); }
sub ::rotl { &rol(@_); }
sub ::rotr { &ror(@_); }
sub ::exch { &xchg(@_); }
sub ::halt { &hlt; }
sub ::function_begin
{ &function_begin_B(@_);
$stack=4;
&push("ebp");
&push("ebx");
&push("esi");
&push("edi");
}
sub ::function_end
{ &pop("edi");
&pop("esi");
&pop("ebx");
&pop("ebp");
&ret();
$stack=0;
&function_end_B(@_);
}
sub ::function_end_A
{ &pop("edi");
&pop("esi");
&pop("ebx");
&pop("ebp");
&ret();
$stack+=16; # readjust esp as if we didn't pop anything
}
sub ::asm_finish
{ &file_end();
print @out;
}
sub ::asm_init
{ my ($type,$fn,$cpu)=@_;
sub main'asm_init
{
($type,$fn,$i386)=@_;
$filename=$fn;
$i386=$cpu;
$elf=$cpp=$coff=$aout=$win32=$netware=$mwerks=0;
if ( ($type eq "elf"))
if (($type eq "elf"))
{ $elf=1; require "x86unix.pl"; }
elsif ( ($type eq "a.out"))
elsif (($type eq "a\.out"))
{ $aout=1; require "x86unix.pl"; }
elsif ( ($type eq "coff" or $type eq "gaswin"))
elsif (($type eq "coff" or $type eq "gaswin"))
{ $coff=1; require "x86unix.pl"; }
elsif ( ($type eq "cpp"))
{ $cpp=1; require "x86unix.pl"; }
elsif ( ($type eq "win32"))
{ $win32=1; require "x86ms.pl"; }
elsif ( ($type eq "win32n"))
elsif (($type eq "win32n"))
{ $win32=1; require "x86nasm.pl"; }
elsif ( ($type eq "nw-nasm"))
elsif (($type eq "nw-nasm"))
{ $netware=1; require "x86nasm.pl"; }
elsif ( ($type eq "nw-mwasm"))
elsif (($type eq "nw-mwasm"))
{ $netware=1; $mwerks=1; require "x86nasm.pl"; }
else
{
print STDERR <<"EOF";
{ print STDERR <<"EOF";
Pick one target type from
elf - Linux, FreeBSD, Solaris x86, etc.
a.out - OpenBSD, DJGPP, etc.
a.out - DJGPP, elder OpenBSD, etc.
coff - GAS/COFF such as Win32 targets
win32 - Windows 95/Windows NT
win32n - Windows 95/Windows NT NASM format
nw-nasm - NetWare NASM format
nw-mwasm- NetWare Metrowerks Assembler
@ -53,78 +134,8 @@ EOF
$pic=0;
for (@ARGV) { $pic=1 if (/\-[fK]PIC/i); }
&asm_init_output();
&comment("Don't even think of reading this code");
&comment("It was automatically generated by $filename");
&comment("Which is a perl program used to generate the x86 assember for");
&comment("any of ELF, a.out, COFF, Win32, ...");
&comment("eric <eay\@cryptsoft.com>");
&comment("");
$filename =~ s/\.pl$//;
&file($filename);
}
sub asm_finish_cpp
{
return unless $cpp;
local($tmp,$i);
foreach $i (&get_labels())
{
$tmp.="#define $i _$i\n";
}
print <<"EOF";
/* Run the C pre-processor over this file with one of the following defined
* ELF - elf object files,
* OUT - a.out object files,
* BSDI - BSDI style a.out object files
* SOL - Solaris style elf
*/
#define TYPE(a,b) .type a,b
#define SIZE(a,b) .size a,b
#if defined(OUT) || (defined(BSDI) && !defined(ELF))
$tmp
#endif
#ifdef OUT
#define OK 1
#define ALIGN 4
#if defined(__CYGWIN__) || defined(__DJGPP__) || defined(__MINGW32__)
#undef SIZE
#undef TYPE
#define SIZE(a,b)
#define TYPE(a,b) .def a; .scl 2; .type 32; .endef
#endif /* __CYGWIN || __DJGPP */
#endif
#if defined(BSDI) && !defined(ELF)
#define OK 1
#define ALIGN 4
#undef SIZE
#undef TYPE
#define SIZE(a,b)
#define TYPE(a,b)
#endif
#if defined(ELF) || defined(SOL)
#define OK 1
#define ALIGN 16
#endif
#ifndef OK
You need to define one of
ELF - elf systems - linux-elf, NetBSD and DG-UX
OUT - a.out systems - linux-a.out and FreeBSD
SOL - solaris systems, which are elf with strange comment lines
BSDI - a.out with a very primative version of as.
#endif
/* Let the Assembler begin :-) */
EOF
}
}
1;

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@ -1,464 +0,0 @@
#!/usr/local/bin/perl
package x86ms;
$label="L000";
%lb=( 'eax', 'al',
'ebx', 'bl',
'ecx', 'cl',
'edx', 'dl',
'ax', 'al',
'bx', 'bl',
'cx', 'cl',
'dx', 'dl',
);
%hb=( 'eax', 'ah',
'ebx', 'bh',
'ecx', 'ch',
'edx', 'dh',
'ax', 'ah',
'bx', 'bh',
'cx', 'ch',
'dx', 'dh',
);
sub main'asm_init_output { @out=(); }
sub main'asm_get_output { return(@out); }
sub main'get_labels { return(@labels); }
sub main'external_label
{
push(@labels,@_);
foreach (@_) {
push(@out, "EXTRN\t_$_:DWORD\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("QWORD",@_);
}
sub main'BC
{
return @_;
}
sub main'DWC
{
return @_;
}
sub main'stack_push
{
local($num)=@_;
$stack+=$num*4;
&main'sub("esp",$num*4);
}
sub main'stack_pop
{
local($num)=@_;
$stack-=$num*4;
&main'add("esp",$num*4);
}
sub get_mem
{
local($size,$addr,$reg1,$reg2,$idx)=@_;
local($t,$post);
local($ret)="$size PTR ";
$addr =~ s/^\s+//;
if ($addr =~ /^(.+)\+(.+)$/)
{
$reg2=&conv($1);
$addr="_$2";
}
elsif ($addr =~ /^[_a-z][_a-z0-9]*$/i)
{
$addr="_$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'div { &out1("div",@_); }
sub main'dec { &out1("dec",@_); }
sub main'inc { &out1("inc",@_); }
sub main'jmp { &out1("jmp",@_); }
sub main'jmp_ptr { &out1p("jmp",@_); }
sub main'je { &out1("je",@_); }
sub main'jle { &out1("jle",@_); }
sub main'jz { &out1("jz",@_); }
sub main'jge { &out1("jge",@_); }
sub main'jl { &out1("jl",@_); }
sub main'ja { &out1("ja",@_); }
sub main'jae { &out1("jae",@_); }
sub main'jb { &out1("jb",@_); }
sub main'jbe { &out1("jbe",@_); }
sub main'jc { &out1("jc",@_); }
sub main'jnc { &out1("jnc",@_); }
sub main'jnz { &out1("jnz",@_); }
sub main'jne { &out1("jne",@_); }
sub main'jno { &out1("jno",@_); }
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/?'':'_').$_[0]); }
sub main'call_ptr { &out1p("call",@_); }
sub main'ret { &out0("ret"); }
sub main'nop { &out0("nop"); }
sub main'test { &out2("test",@_); }
sub main'bt { &out2("bt",@_); }
sub main'leave { &out0("leave"); }
sub main'cpuid { &out0("DW\t0A20Fh"); }
sub main'rdtsc { &out0("DW\t0310Fh"); }
sub main'halt { &out0("hlt"); }
sub main'movz { &out2("movzx",@_); }
sub main'neg { &out1("neg",@_); }
sub main'cld { &out0("cld"); }
# SSE2
sub main'emms { &out0("emms"); }
sub main'movd { &out2("movd",@_); }
sub main'movq { &out2("movq",@_); }
sub main'movdqu { &out2("movdqu",@_); }
sub main'movdqa { &out2("movdqa",@_); }
sub main'movdq2q{ &out2("movdq2q",@_); }
sub main'movq2dq{ &out2("movq2dq",@_); }
sub main'paddq { &out2("paddq",@_); }
sub main'pmuludq{ &out2("pmuludq",@_); }
sub main'psrlq { &out2("psrlq",@_); }
sub main'psllq { &out2("psllq",@_); }
sub main'pxor { &out2("pxor",@_); }
sub main'por { &out2("por",@_); }
sub main'pand { &out2("pand",@_); }
sub out2
{
local($name,$p1,$p2)=@_;
local($l,$t);
push(@out,"\t$name\t");
$t=&conv($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
{
local($name)=@_;
push(@out,"\t$name\n");
}
sub out1
{
local($name,$p1)=@_;
local($l,$t);
push(@out,"\t$name\t".&conv($p1)."\n");
}
sub conv
{
local($p)=@_;
$p =~ s/0x([0-9A-Fa-f]+)/0$1h/;
return $p;
}
sub using486
{
return if $using486;
$using486++;
grep(s/\.386/\.486/,@out);
}
sub main'file
{
local($file)=@_;
local($tmp)=<<"EOF";
TITLE $file.asm
.386
.model FLAT
_TEXT\$ SEGMENT PAGE 'CODE'
EOF
push(@out,$tmp);
}
sub main'function_begin
{
local($func,$extra)=@_;
push(@labels,$func);
local($tmp)=<<"EOF";
PUBLIC _$func
$extra
_$func PROC NEAR
push ebp
push ebx
push esi
push edi
EOF
push(@out,$tmp);
$stack=20;
}
sub main'function_begin_B
{
local($func,$extra)=@_;
local($tmp)=<<"EOF";
PUBLIC _$func
$extra
_$func PROC NEAR
EOF
push(@out,$tmp);
$stack=4;
}
sub main'function_end
{
local($func)=@_;
local($tmp)=<<"EOF";
pop edi
pop esi
pop ebx
pop ebp
ret
_$func ENDP
EOF
push(@out,$tmp);
$stack=0;
%label=();
}
sub main'function_end_B
{
local($func)=@_;
local($tmp)=<<"EOF";
_$func ENDP
EOF
push(@out,$tmp);
$stack=0;
%label=();
}
sub main'function_end_A
{
local($func)=@_;
local($tmp)=<<"EOF";
pop edi
pop esi
pop ebx
pop ebp
ret
EOF
push(@out,$tmp);
}
sub main'file_end
{
# try to detect if SSE2 or MMX extensions were used...
if (grep {/xmm[0-7]\s*,/i} @out) {
grep {s/\.[3-7]86/\.686\n\t\.XMM/} @out;
}
elsif (grep {/mm[0-7]\s*,/i} @out) {
grep {s/\.[3-7]86/\.686\n\t\.MMX/} @out;
}
push(@out,"_TEXT\$ ENDS\n");
push(@out,"END\n");
}
sub main'wparam
{
local($num)=@_;
return(&main'DWP($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
# {
# local($num)=@_;
#
# return(&main'DWP(-(($num+1)*4),"esp","",0));
# }
sub main'comment
{
foreach (@_)
{
push(@out,"\t; $_\n");
}
}
sub main'public_label
{
$label{$_[0]}="_$_[0]" if (!defined($label{$_[0]}));
push(@out,"PUBLIC\t$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]);
}
if((defined $_[2]) && ($_[2] == 1))
{
push(@out,"$label{$_[0]}::\n");
}
elsif ($label{$_[0]} !~ /^\$/)
{
push(@out,"$label{$_[0]}\tLABEL PTR\n");
}
else
{
push(@out,"$label{$_[0]}:\n");
}
}
sub main'data_byte
{
push(@out,"\tDB\t".join(',',@_)."\n");
}
sub main'data_word
{
push(@out,"\tDD\t".join(',',@_)."\n");
}
sub main'align
{
push(@out,"\tALIGN\t$_[0]\n");
}
sub out1p
{
local($name,$p1)=@_;
local($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)=@_;
local($tmp)=<<___;
OPTION DOTNAME
.CRT\$XCU SEGMENT DWORD PUBLIC 'DATA'
EXTRN _$f:NEAR
DD _$f
.CRT\$XCU ENDS
___
push(@out,$tmp);
}
1;

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@ -1,451 +1,226 @@
#!/usr/local/bin/perl
#!/usr/bin/env perl
package x86nasm;
$label="L000";
$under=($main'netware)?'':'_';
*out=\@::out;
%lb=( 'eax', 'al',
'ebx', 'bl',
'ecx', 'cl',
'edx', 'dl',
'ax', 'al',
'bx', 'bl',
'cx', 'cl',
'dx', 'dl',
);
$lprfx="\@L";
$label="000";
$under=($::netware)?'':'_';
%hb=( 'eax', 'ah',
'ebx', 'bh',
'ecx', 'ch',
'edx', 'dh',
'ax', 'ah',
'bx', 'bh',
'cx', 'ch',
'dx', 'dh',
);
sub ::generic
{ my $opcode=shift;
my $tmp;
sub main'asm_init_output { @out=(); }
sub main'asm_get_output { return(@out); }
sub main'get_labels { return(@labels); }
sub main'external_label
{
push(@labels,@_);
foreach (@_) {
push(@out,".") if ($main'mwerks);
push(@out, "extern\t${under}$_\n");
if (!$::mwerks)
{ if ($opcode =~ m/^j/o && $#_==0) # optimize jumps
{ $_[0] = "NEAR $_[0]"; }
elsif ($opcode eq "lea" && $#_==1)# wipe storage qualifier from lea
{ $_[1] =~ s/^[^\[]*\[/\[/o; }
}
&::emit($opcode,@_);
1;
}
#
# opcodes not covered by ::generic above, mostly inconsistent namings...
#
sub ::movz { &::movzx(@_); }
sub ::pushf { &::pushfd; }
sub ::popf { &::popfd; }
sub main'LB
{
(defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n";
return($lb{$_[0]});
}
sub ::call { &::emit("call",(&islabel($_[0]) or "$under$_[0]")); }
sub ::call_ptr { &::emit("call",@_); }
sub ::jmp_ptr { &::emit("jmp",@_); }
sub main'HB
{
(defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n";
return($hb{$_[0]});
}
# chosen SSE instructions
sub ::movq
{ my($p1,$p2,$optimize)=@_;
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);
}
if ($optimize && $p1=~/^mm[0-7]$/ && $p2=~/^mm[0-7]$/)
# movq between mmx registers can sink Intel CPUs
{ &::pshufw($p1,$p2,0xe4); }
else
{ &::emit("movq",@_); }
}
sub ::pshufw { &::emit("pshufw",@_); }
sub get_mem
{
my($size,$addr,$reg1,$reg2,$idx)=@_;
my($t,$post);
my($ret)=$size;
if ($ret ne "")
{
$ret .= " PTR" if ($main'mwerks);
{ my($size,$addr,$reg1,$reg2,$idx)=@_;
my($post,$ret);
if ($size ne "")
{ $ret .= "$size";
$ret .= " PTR" if ($::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";
}
# prepend global references with optional underscore
$addr =~ s/^([^\+\-0-9][^\+\-]*)/islabel($1) or "$under$1"/ige;
# put address arithmetic expression in parenthesis
$addr="($addr)" if ($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}+"; }
{ 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]";
{ $idx!=0 or $idx=1;
$ret .= "$reg2*$idx";
$ret .= "+$reg1" if ($reg1 ne "");
}
else
{
$ret.="$reg1$post]"
}
{ $ret .= "$reg1"; }
$ret .= "$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'div { &out1("div",@_); }
sub main'dec { &out1("dec",@_); }
sub main'inc { &out1("inc",@_); }
sub main'jmp { &out1("jmp",@_); }
sub main'jmp_ptr { &out1p("jmp",@_); }
$ret;
}
sub ::BP { &get_mem("BYTE",@_); }
sub ::DWP { &get_mem("DWORD",@_); }
sub ::QWP { &get_mem("QWORD",@_); }
sub ::BC { (($::mwerks)?"":"BYTE ")."@_"; }
sub ::DWC { (($::mwerks)?"":"DWORD ")."@_"; }
# 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 $tmp=<<___;
sub ::file
{ if ($::mwerks) { push(@out,".section\t.text\n"); }
else
{ my $tmp=<<___;
%ifdef __omf__
section code use32 class=code
section code use32 class=code align=64
%else
section .text
section .text code align=64
%endif
___
push(@out,$tmp);
}
}
}
sub main'function_begin
{
my($func,$extra)=@_;
sub ::function_begin_B
{ my $func=$under.shift;
my $tmp=<<___;
global $func
align 16
$func:
___
push(@out,$tmp);
$::stack=4;
}
sub ::function_end_B
{ my $i;
foreach $i (%label) { undef $label{$i} if ($label{$i} =~ /^$prfx/); }
$::stack=0;
}
push(@labels,$func);
my($tmp)=<<"EOF";
global $under$func
$under$func:
push ebp
push ebx
push esi
sub ::file_end
{ # try to detect if SSE2 or MMX extensions were used on Win32...
if ($::win32 && grep {/\s+[x]*mm[0-7]/i} @out)
{ # One can argue that it's wasteful to craft every
# SSE/MMX module with this snippet... Well, it's 72
# bytes long and for the moment we have two modules.
# Let's argue when we have 7 modules or so...
#
# $1<<10 sets a reserved bit to signal that variable
# was initialized already...
my $tmp=<<___;
align 16
${lprfx}OPENSSL_ia32cap_init:
lea edx,[${under}OPENSSL_ia32cap_P]
cmp DWORD [edx],0
jne NEAR ${lprfx}nocpuid
mov DWORD [edx],1<<10
pushfd
pop eax
mov ecx,eax
xor eax,1<<21
push eax
popfd
pushfd
pop eax
xor eax,ecx
bt eax,21
jnc NEAR ${lprfx}nocpuid
push edi
EOF
push(@out,$tmp);
$stack=20;
}
sub main'function_begin_B
{
my($func,$extra)=@_;
my($tmp)=<<"EOF";
global $under$func
$under$func:
EOF
push(@out,$tmp);
$stack=4;
}
sub main'function_end
{
my($func)=@_;
my($tmp)=<<"EOF";
pop edi
pop esi
push ebx
mov edi,edx
mov eax,1
cpuid
or edx,1<<10
mov DWORD [edi],edx
pop ebx
pop ebp
ret
EOF
push(@out,$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
${lprfx}nocpuid:
ret
EOF
push(@out,$tmp);
segment .CRT\$XCU rdata align=4
dd ${lprfx}OPENSSL_ia32cap_init
segment .bss
common ${under}OPENSSL_ia32cap_P 4
___
push (@out,$tmp);
}
}
sub main'file_end
{
}
sub ::comment { foreach (@_) { push(@out,"\t; $_\n"); } }
sub main'wparam
{
my($num)=@_;
sub islabel # see is argument is known label
{ my $i;
foreach $i (%label) { return $label{$i} if ($label{$i} eq $_[0]); }
undef;
}
return(&main'DWP($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
{
sub ::external_label
{ push(@labels,@_);
foreach (@_)
{
push(@out,"\t; $_\n");
}
{ push(@out,".") if ($::mwerks);
push(@out, "extern\t${under}$_\n");
}
}
sub main'public_label
{
$label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]}));
sub ::public_label
{ $label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]}));
push(@out,"global\t$label{$_[0]}\n");
}
}
sub main'label
{
if (!defined($label{$_[0]}))
{
$label{$_[0]}="\@${label}${_[0]}";
$label++;
}
return($label{$_[0]});
}
sub ::label
{ if (!defined($label{$_[0]}))
{ $label{$_[0]}="${lprfx}${label}${_[0]}"; $label++; }
$label{$_[0]};
}
sub main'set_label
{
if (!defined($label{$_[0]}))
{
$label{$_[0]}="\@${label}${_[0]}";
$label++;
}
if ($_[1]!=0 && $_[1]>1)
{
main'align($_[1]);
}
sub ::set_label
{ my $label=&::label($_[0]);
&::align($_[1]) if ($_[1]>1);
push(@out,"$label{$_[0]}:\n");
}
}
sub main'data_byte
{
push(@out,(($main'mwerks)?".byte\t":"DB\t").join(',',@_)."\n");
}
sub ::data_byte
{ push(@out,(($::mwerks)?".byte\t":"db\t").join(',',@_)."\n"); }
sub main'data_word
{
push(@out,(($main'mwerks)?".long\t":"DD\t").join(',',@_)."\n");
}
sub ::data_word
{ push(@out,(($::mwerks)?".long\t":"dd\t").join(',',@_)."\n"); }
sub main'align
{
push(@out,".") if ($main'mwerks);
push(@out,"align\t$_[0]\n");
}
sub ::align
{ push(@out,".") if ($::mwerks); push(@out,"align\t$_[0]\n"); }
sub out1p
{
my($name,$p1)=@_;
my($l,$t);
sub ::picmeup
{ my($dst,$sym)=@_;
&::lea($dst,&::DWP($sym));
}
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
sub ::initseg
{ my($f)=$under.shift;
if ($::win32)
{ my($tmp)=<<___;
segment .CRT\$XCU rdata align=4
extern $f
dd $f
___
push(@out,$tmp);
}
}
}
1;

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@ -1,508 +1,153 @@
#!/usr/local/bin/perl
#!/usr/bin/env perl
package x86unix; # GAS actually...
*out=\@::out;
$label="L000";
$const="";
$constl=0;
$align=($main'aout)?"4":"16";
$under=($main'aout or $main'coff)?"_":"";
$dot=($main'aout)?"":".";
$com_start="#" if ($main'aout or $main'coff);
$align=($::aout)?"4":"16";
$under=($::aout or $::coff)?"_":"";
$dot=($::aout)?"":".";
$com_start="#" if ($::aout or $::coff);
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,@_); }
sub opsize()
{ my $reg=shift;
if ($reg =~ m/^%e/o) { "l"; }
elsif ($reg =~ m/^%[a-d][hl]$/o) { "b"; }
elsif ($reg =~ m/^%[xm]/o) { undef; }
else { "w"; }
}
if ($main'cpp)
{
$align="ALIGN";
$under="";
$com_start='/*';
$com_end='*/';
# swap arguments;
# expand opcode with size suffix;
# prefix numeric constants with $;
sub ::generic
{ my($opcode,$dst,$src)=@_;
my($tmp,$suffix,@arg);
if (defined($src))
{ $src =~ s/^(e?[a-dsixphl]{2})$/%$1/o;
$src =~ s/^(x?mm[0-7])$/%$1/o;
$src =~ s/^(\-?[0-9]+)$/\$$1/o;
$src =~ s/^(\-?0x[0-9a-f]+)$/\$$1/o;
push(@arg,$src);
}
if (defined($dst))
{ $dst =~ s/^(\*?)(e?[a-dsixphl]{2})$/$1%$2/o;
$dst =~ s/^(x?mm[0-7])$/%$1/o;
$dst =~ s/^(\-?[0-9]+)$/\$$1/o if(!defined($src));
$dst =~ s/^(\-?0x[0-9a-f]+)$/\$$1/o if(!defined($src));
push(@arg,$dst);
}
%lb=( 'eax', '%al',
'ebx', '%bl',
'ecx', '%cl',
'edx', '%dl',
'ax', '%al',
'bx', '%bl',
'cx', '%cl',
'dx', '%dl',
);
if ($dst =~ m/^%/o) { $suffix=&opsize($dst); }
elsif ($src =~ m/^%/o) { $suffix=&opsize($src); }
else { $suffix="l"; }
undef $suffix if ($dst =~ m/^%[xm]/o || $src =~ m/^%[xm]/o);
%hb=( 'eax', '%ah',
'ebx', '%bh',
'ecx', '%ch',
'edx', '%dh',
'ax', '%ah',
'bx', '%bh',
'cx', '%ch',
'dx', '%dh',
);
if ($#_==0) { &::emit($opcode); }
elsif ($opcode =~ m/^j/o && $#_==1) { &::emit($opcode,@arg); }
elsif ($opcode eq "call" && $#_==1) { &::emit($opcode,@arg); }
else { &::emit($opcode.$suffix,@arg);}
%regs=( 'eax', '%eax',
'ebx', '%ebx',
'ecx', '%ecx',
'edx', '%edx',
'esi', '%esi',
'edi', '%edi',
'ebp', '%ebp',
'esp', '%esp',
'mm0', '%mm0',
'mm1', '%mm1',
'mm2', '%mm2',
'mm3', '%mm3',
'mm4', '%mm4',
'mm5', '%mm5',
'mm6', '%mm6',
'mm7', '%mm7',
'xmm0', '%xmm0',
'xmm1', '%xmm1',
'xmm2', '%xmm2',
'xmm3', '%xmm3',
'xmm4', '%xmm4',
'xmm5', '%xmm5',
'xmm6', '%xmm6',
'xmm7', '%xmm7',
);
%reg_val=(
'eax', 0x00,
'ebx', 0x03,
'ecx', 0x01,
'edx', 0x02,
'esi', 0x06,
'edi', 0x07,
'ebp', 0x05,
'esp', 0x04,
);
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'DWP
{
local($addr,$reg1,$reg2,$idx)=@_;
$ret="";
$addr =~ s/(^|[+ \t])([A-Za-z_]+[A-Za-z0-9_]+)($|[+ \t])/$1$under$2$3/;
$reg1="$regs{$reg1}" if defined($regs{$reg1});
$reg2="$regs{$reg2}" if defined($regs{$reg2});
$ret.=$addr if ($addr ne "") && ($addr ne 0);
if ($reg2 ne "")
{
if($idx ne "" && $idx != 0)
{ $ret.="($reg1,$reg2,$idx)"; }
else
{ $ret.="($reg1,$reg2)"; }
}
elsif ($reg1 ne "")
{ $ret.="($reg1)" }
return($ret);
}
sub main'QWP
{
return(&main'DWP(@_));
}
sub main'BP
{
return(&main'DWP(@_));
}
sub main'BC
{
return @_;
}
sub main'DWC
{
return @_;
}
#sub main'BP
# {
# local($addr,$reg1,$reg2,$idx)=@_;
1;
}
#
# $ret="";
# opcodes not covered by ::generic above, mostly inconsistent namings...
#
# $addr =~ s/(^|[+ \t])([A-Za-z_]+)($|[+ \t])/$1$under$2$3/;
# $reg1="$regs{$reg1}" if defined($regs{$reg1});
# $reg2="$regs{$reg2}" if defined($regs{$reg2});
# $ret.=$addr if ($addr ne "") && ($addr ne 0);
# if ($reg2 ne "")
# { $ret.="($reg1,$reg2,$idx)"; }
# else
# { $ret.="($reg1)" }
# return($ret);
# }
sub ::movz { &::movzb(@_); }
sub ::pushf { &::pushfl; }
sub ::popf { &::popfl; }
sub ::cpuid { &::emit(".byte\t0x0f,0xa2"); }
sub ::rdtsc { &::emit(".byte\t0x0f,0x31"); }
sub main'mov { &out2("movl",@_); }
sub main'movb { &out2("movb",@_); }
sub main'and { &out2("andl",@_); }
sub main'or { &out2("orl",@_); }
sub main'shl { &out2("sall",@_); }
sub main'shr { &out2("shrl",@_); }
sub main'xor { &out2("xorl",@_); }
sub main'xorb { &out2("xorb",@_); }
sub main'add { &out2($_[0]=~/%[a-d][lh]/?"addb":"addl",@_); }
sub main'adc { &out2("adcl",@_); }
sub main'sub { &out2("subl",@_); }
sub main'sbb { &out2("sbbl",@_); }
sub main'rotl { &out2("roll",@_); }
sub main'rotr { &out2("rorl",@_); }
sub main'exch { &out2($_[0]=~/%[a-d][lh]/?"xchgb":"xchgl",@_); }
sub main'cmp { &out2("cmpl",@_); }
sub main'lea { &out2("leal",@_); }
sub main'mul { &out1("mull",@_); }
sub main'div { &out1("divl",@_); }
sub main'jmp { &out1("jmp",@_); }
sub main'jmp_ptr { &out1p("jmp",@_); }
sub main'je { &out1("je",@_); }
sub main'jle { &out1("jle",@_); }
sub main'jne { &out1("jne",@_); }
sub main'jnz { &out1("jnz",@_); }
sub main'jz { &out1("jz",@_); }
sub main'jge { &out1("jge",@_); }
sub main'jl { &out1("jl",@_); }
sub main'ja { &out1("ja",@_); }
sub main'jae { &out1("jae",@_); }
sub main'jb { &out1("jb",@_); }
sub main'jbe { &out1("jbe",@_); }
sub main'jc { &out1("jc",@_); }
sub main'jnc { &out1("jnc",@_); }
sub main'jno { &out1("jno",@_); }
sub main'dec { &out1("decl",@_); }
sub main'inc { &out1($_[0]=~/%[a-d][hl]/?"incb":"incl",@_); }
sub main'push { &out1("pushl",@_); $stack+=4; }
sub main'pop { &out1("popl",@_); $stack-=4; }
sub main'pushf { &out0("pushfl"); $stack+=4; }
sub main'popf { &out0("popfl"); $stack-=4; }
sub main'not { &out1("notl",@_); }
sub main'call { my $pre=$under;
foreach $i (%label)
{ if ($label{$i} eq $_[0]) { $pre=''; last; } }
&out1("call",$pre.$_[0]);
}
sub main'call_ptr { &out1p("call",@_); }
sub main'ret { &out0("ret"); }
sub main'nop { &out0("nop"); }
sub main'test { &out2("testl",@_); }
sub main'bt { &out2("btl",@_); }
sub main'leave { &out0("leave"); }
sub main'cpuid { &out0(".byte\t0x0f,0xa2"); }
sub main'rdtsc { &out0(".byte\t0x0f,0x31"); }
sub main'halt { &out0("hlt"); }
sub main'movz { &out2("movzbl",@_); }
sub main'neg { &out1("negl",@_); }
sub main'cld { &out0("cld"); }
sub ::call { &::emit("call",(&islabel($_[0]) or "$under$_[0]")); }
sub ::call_ptr { &::generic("call","*$_[0]"); }
sub ::jmp_ptr { &::generic("jmp","*$_[0]"); }
# SSE2
sub main'emms { &out0("emms"); }
sub main'movd { &out2("movd",@_); }
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 main'movq {
local($p1,$p2,$optimize)=@_;
*::bswap = sub { &::emit("bswap","%$_[0]"); } if (!$::i386);
# chosen SSE instructions
sub ::movq
{ my($p1,$p2,$optimize)=@_;
if ($optimize && $p1=~/^mm[0-7]$/ && $p2=~/^mm[0-7]$/)
# movq between mmx registers can sink Intel CPUs
{ push(@out,"\tpshufw\t\$0xe4,%$p2,%$p1\n"); }
else { &out2("movq",@_); }
}
sub main'pshufw {
local ($dst,$src,$magic)=@_;
push(@out,"\tpshufw\t\$$magic,%$src,%$dst\n");
}
sub main'punpckldq { &out2("punpckldq",@_); }
sub main'pcmpgtb { &out2("pcmpgtb",@_); }
sub main'paddb { &out2("paddb",@_); }
sub main'psrld { &out2("psrld",@_); }
sub main'pslld { &out2("pslld",@_); }
# The bswapl instruction is new for the 486. Emulate if i386.
sub main'bswap
{
if ($main'i386)
{
&main'comment("bswapl @_");
&main'exch(main'HB(@_),main'LB(@_));
&main'rotr(@_,16);
&main'exch(main'HB(@_),main'LB(@_));
}
{ &::pshufw($p1,$p2,0xe4); }
else
{
&out1("bswapl",@_);
}
{ &::generic("movq",@_); }
}
sub ::pshufw
{ my($dst,$src,$magic)=@_;
&::emit("pshufw","\$$magic","%$src","%$dst");
}
sub ::DWP
{ my($addr,$reg1,$reg2,$idx)=@_;
my $ret="";
$addr =~ s/^\s+//;
# prepend global references with optional underscore
$addr =~ s/^([^\+\-0-9][^\+\-]*)/islabel($1) or "$under$1"/ige;
$reg1 = "%$reg1" if ($reg1);
$reg2 = "%$reg2" if ($reg2);
$ret .= $addr if (($addr ne "") && ($addr ne 0));
if ($reg2)
{ $idx!= 0 or $idx=1;
$ret .= "($reg1,$reg2,$idx)";
}
elsif ($reg1)
{ $ret .= "($reg1)"; }
sub out2
{
local($name,$p1,$p2)=@_;
local($l,$ll,$t);
local(%special)=( "roll",0xD1C0,"rorl",0xD1C8,
"rcll",0xD1D0,"rcrl",0xD1D8,
"shll",0xD1E0,"shrl",0xD1E8,
"sarl",0xD1F8);
$ret;
}
sub ::QWP { &::DWP(@_); }
sub ::BP { &::DWP(@_); }
sub ::BC { @_; }
sub ::DWC { @_; }
if ((defined($special{$name})) && defined($regs{$p1}) && ($p2 == 1))
{
$op=$special{$name}|$reg_val{$p1};
$tmp1=sprintf(".byte %d\n",($op>>8)&0xff);
$tmp2=sprintf(".byte %d\t",$op &0xff);
push(@out,$tmp1);
push(@out,$tmp2);
sub ::file
{ push(@out,".file\t\"$_[0].s\"\n"); }
$p2=&conv($p2);
$p1=&conv($p1);
&main'comment("$name $p2 $p1");
return;
}
sub ::function_begin_B
{ my($func,$extra)=@_;
my $tmp;
push(@out,"\t$name\t");
$t=&conv($p2).",";
$l=length($t);
push(@out,$t);
$ll=4-($l+9)/8;
$tmp1=sprintf("\t" x $ll);
push(@out,$tmp1);
push(@out,&conv($p1)."\n");
}
sub out1
{
local($name,$p1)=@_;
local($l,$t);
local(%special)=("bswapl",0x0FC8);
if ((defined($special{$name})) && defined($regs{$p1}))
{
$op=$special{$name}|$reg_val{$p1};
$tmp1=sprintf(".byte %d\n",($op>>8)&0xff);
$tmp2=sprintf(".byte %d\t",$op &0xff);
push(@out,$tmp1);
push(@out,$tmp2);
$p2=&conv($p2);
$p1=&conv($p1);
&main'comment("$name $p2 $p1");
return;
}
push(@out,"\t$name\t".&conv($p1)."\n");
}
sub out1p
{
local($name,$p1)=@_;
local($l,$t);
push(@out,"\t$name\t*".&conv($p1)."\n");
}
sub out0
{
push(@out,"\t$_[0]\n");
}
sub conv
{
local($p)=@_;
# $p =~ s/0x([0-9A-Fa-f]+)/0$1h/;
$p=$regs{$p} if (defined($regs{$p}));
$p =~ s/^(-{0,1}[0-9A-Fa-f]+)$/\$$1/;
$p =~ s/^(0x[0-9A-Fa-f]+)$/\$$1/;
return $p;
}
sub main'file
{
local($file)=@_;
local($tmp)=<<"EOF";
.file "$file.s"
EOF
push(@out,$tmp);
}
sub main'function_begin
{
local($func)=@_;
&main'external_label($func);
&::external_label($func);
$func=$under.$func;
local($tmp)=<<"EOF";
.text
.globl $func
EOF
push(@out,$tmp);
if ($main'cpp)
{ $tmp=push(@out,"TYPE($func,\@function)\n"); }
elsif ($main'coff)
{ $tmp=push(@out,".def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); }
elsif ($main'aout and !$main'pic)
push(@out,".text\n.globl\t$func\n");
if ($::coff)
{ push(@out,".def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); }
elsif ($::aout and !$::pic)
{ }
else { $tmp=push(@out,".type\t$func,\@function\n"); }
else
{ push(@out,".type $func,\@function\n"); }
push(@out,".align\t$align\n");
push(@out,"$func:\n");
$tmp=<<"EOF";
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
$::stack=4;
}
EOF
push(@out,$tmp);
$stack=20;
}
sub main'function_begin_B
{
local($func,$extra)=@_;
&main'external_label($func);
$func=$under.$func;
local($tmp)=<<"EOF";
.text
.globl $func
EOF
push(@out,$tmp);
if ($main'cpp)
{ push(@out,"TYPE($func,\@function)\n"); }
elsif ($main'coff)
{ $tmp=push(@out,".def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); }
elsif ($main'aout and !$main'pic)
{ }
else { push(@out,".type $func,\@function\n"); }
push(@out,".align\t$align\n");
push(@out,"$func:\n");
$stack=4;
}
sub main'function_end
{
local($func)=@_;
sub ::function_end_B
{ my($func)=@_;
$func=$under.$func;
local($tmp)=<<"EOF";
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
${dot}L_${func}_end:
EOF
push(@out,$tmp);
if ($main'cpp)
{ push(@out,"SIZE($func,${dot}L_${func}_end-$func)\n"); }
elsif ($main'coff or $main'aout)
{ }
else { push(@out,".size\t$func,${dot}L_${func}_end-$func\n"); }
push(@out,".ident \"$func\"\n");
$stack=0;
%label=();
}
sub main'function_end_A
{
local($func)=@_;
local($tmp)=<<"EOF";
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
EOF
push(@out,$tmp);
}
sub main'function_end_B
{
local($func)=@_;
$func=$under.$func;
push(@out,"${dot}L_${func}_end:\n");
if ($main'cpp)
{ push(@out,"SIZE($func,${dot}L_${func}_end-$func)\n"); }
elsif ($main'coff or $main'aout)
{ }
else { push(@out,".size\t$func,${dot}L_${func}_end-$func\n"); }
push(@out,".ident \"$func\"\n");
$stack=0;
if ($::elf)
{ push(@out,".size\t$func,${dot}L_${func}_end-$func\n"); }
$::stack=0;
%label=();
}
}
sub main'wparam
sub ::comment
{
local($num)=@_;
return(&main'DWP($stack+$num*4,"esp","",0));
}
sub main'stack_push
{
local($num)=@_;
$stack+=$num*4;
&main'sub("esp",$num*4);
}
sub main'stack_pop
{
local($num)=@_;
$stack-=$num*4;
&main'add("esp",$num*4);
}
sub main'swtmp
{
return(&main'DWP($_[0]*4,"esp","",0));
}
# Should use swtmp, which is above esp. Linix can trash the stack above esp
#sub main'wtmp
# {
# local($num)=@_;
#
# return(&main'DWP(-($num+1)*4,"esp","",0));
# }
sub main'comment
{
if (!defined($com_start) or $main'elf)
{ # Regarding $main'elf above...
if (!defined($com_start) or $::elf)
{ # Regarding $::elf above...
# GNU and SVR4 as'es use different comment delimiters,
push(@out,"\n"); # so we just skip ELF comments...
return;
@ -516,42 +161,35 @@ sub main'comment
}
}
sub main'public_label
{
$label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]}));
sub islabel # see is argument is a known label
{ my $i;
foreach $i (%label) { return $label{$i} if ($label{$i} eq $_[0]); }
undef;
}
sub ::external_label { push(@labels,@_); }
sub ::public_label
{ $label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]}));
push(@out,".globl\t$label{$_[0]}\n");
}
}
sub main'label
{
if (!defined($label{$_[0]}))
{
$label{$_[0]}="${dot}${label}${_[0]}";
$label++;
}
return($label{$_[0]});
}
sub ::label
{ if (!defined($label{$_[0]}))
{ $label{$_[0]}="${dot}${label}${_[0]}"; $label++; }
$label{$_[0]};
}
sub main'set_label
{
if (!defined($label{$_[0]}))
{
$label{$_[0]}="${dot}${label}${_[0]}";
$label++;
}
if ($_[1]!=0)
{
if ($_[1]>1) { main'align($_[1]); }
else { push(@out,".align $align\n"); }
}
push(@out,"$label{$_[0]}:\n");
}
sub ::set_label
{ my $label=&::label($_[0]);
&::align($_[1]) if ($_[1]>1);
push(@out,"$label:\n");
}
sub main'file_end
{
# try to detect if SSE2 or MMX extensions were used on ELF platform...
if ($main'elf && grep {/%[x]*mm[0-7]/i} @out) {
local($tmp);
sub ::file_end
{ # try to detect if SSE2 or MMX extensions were used on ELF platform...
if ($::elf && grep {/%[x]?mm[0-7]/i} @out){
my $tmp;
push (@out,"\n.section\t.bss\n");
push (@out,".comm\t${under}OPENSSL_ia32cap_P,4,4\n");
@ -564,7 +202,7 @@ sub main'file_end
#
# $1<<10 sets a reserved bit to signal that variable
# was initialized already...
&main'picmeup("edx","OPENSSL_ia32cap_P");
&::picmeup("edx","OPENSSL_ia32cap_P");
$tmp=<<___;
cmpl \$0,(%edx)
jne 1f
@ -597,170 +235,52 @@ ___
}
if ($const ne "")
{
push(@out,".section .rodata\n");
{ push(@out,".section .rodata\n");
push(@out,$const);
$const="";
}
}
}
sub main'data_byte
{
push(@out,"\t.byte\t".join(',',@_)."\n");
}
sub ::data_byte { push(@out,".byte\t".join(',',@_)."\n"); }
sub ::data_word { push(@out,".long\t".join(',',@_)."\n"); }
sub main'data_word
{
push(@out,"\t.long\t".join(',',@_)."\n");
}
sub main'align
{
my $val=$_[0],$p2,$i;
if ($main'aout) {
for ($p2=0;$val!=0;$val>>=1) { $p2++; }
sub ::align
{ my $val=$_[0],$p2,$i;
if ($::aout)
{ for ($p2=0;$val!=0;$val>>=1) { $p2++; }
$val=$p2-1;
$val.=",0x90";
}
push(@out,".align\t$val\n");
}
}
# debug output functions: puts, putx, printf
sub ::picmeup
{ my($dst,$sym,$base,$reflabel)=@_;
sub main'puts
{
&pushvars();
&main'push('$Lstring' . ++$constl);
&main'call('puts');
$stack-=4;
&main'add("esp",4);
&popvars();
$const .= "Lstring$constl:\n\t.string \"@_[0]\"\n";
}
sub main'putx
{
&pushvars();
&main'push($_[0]);
&main'push('$Lstring' . ++$constl);
&main'call('printf');
&main'add("esp",8);
$stack-=8;
&popvars();
$const .= "Lstring$constl:\n\t.string \"\%X\"\n";
}
sub main'printf
{
$ostack = $stack;
&pushvars();
for ($i = @_ - 1; $i >= 0; $i--)
{
if ($i == 0) # change this to support %s format strings
{
&main'push('$Lstring' . ++$constl);
$const .= "Lstring$constl:\n\t.string \"@_[$i]\"\n";
if ($::pic && ($::elf || $::aout))
{ if (!defined($base))
{ &::call(&::label("PIC_me_up"));
&::set_label("PIC_me_up");
&::blindpop($dst);
&::add($dst,"\$${under}_GLOBAL_OFFSET_TABLE_+[.-".
&::label("PIC_me_up") . "]");
}
else
{
if ($_[$i] =~ /([0-9]*)\(%esp\)/)
{
&main'push(($1 + $stack - $ostack) . '(%esp)');
}
else
{
&main'push($_[$i]);
}
}
}
&main'call('printf');
$stack-=4*@_;
&main'add("esp",4*@_);
&popvars();
}
sub pushvars
{
&main'pushf();
&main'push("edx");
&main'push("ecx");
&main'push("eax");
}
sub popvars
{
&main'pop("eax");
&main'pop("ecx");
&main'pop("edx");
&main'popf();
}
sub main'picmeup
{
local($dst,$sym,$base,$reflabel)=@_;
if ($main'cpp)
{
local($tmp);
if (!defined($base))
{
$tmp=<<___;
#if (defined(ELF) || defined(SOL)) && defined(PIC)
call 1f
1: popl $regs{$dst}
addl \$_GLOBAL_OFFSET_TABLE_+[.-1b],$regs{$dst}
movl $sym\@GOT($regs{$dst}),$regs{$dst}
#else
leal $sym,$regs{$dst}
#endif
___
}
else {
$tmp=<<___;
#if (defined(ELF) || defined(SOL)) && defined(PIC)
leal _GLOBAL_OFFSET_TABLE_+[.-$reflabel]($regs{$base}),$regs{$dst}
movl $sym\@GOT($regs{$dst}),$regs{$dst}
#else
leal $sym,$regs{$dst}
#endif
___
}
push(@out,$tmp);
}
elsif ($main'pic && ($main'elf || $main'aout))
{
if (!defined($base))
{
&main'call(&main'label("PIC_me_up"));
&main'set_label("PIC_me_up");
&main'blindpop($dst);
&main'add($dst,"\$${under}_GLOBAL_OFFSET_TABLE_+[.-".
&main'label("PIC_me_up") . "]");
}
else {
&main'lea($dst,&main'DWP(
"${under}_GLOBAL_OFFSET_TABLE_+[.-$reflabel]",
{ &::lea($dst,&::DWP("${under}_GLOBAL_OFFSET_TABLE_+[.-$reflabel]",
$base));
}
&main'mov($dst,&main'DWP($under.$sym."\@GOT",$dst));
&::mov($dst,&::DWP($under.$sym."\@GOT",$dst));
}
else
{
&main'lea($dst,&main'DWP($sym));
}
}
{ &::lea($dst,&::DWP($sym)); }
}
sub main'blindpop { &out1("popl",@_); }
sub ::initseg
{ my($f)=@_;
my($tmp,$ctor);
sub main'initseg
{
local($f)=@_;
local($tmp);
if ($main'elf)
{
$tmp=<<___;
if ($::elf)
{ $tmp=<<___;
.section .init
call $under$f
jmp .Linitalign
@ -768,18 +288,16 @@ sub main'initseg
.Linitalign:
___
}
elsif ($main'coff)
{
$tmp=<<___; # applies to both Cygwin and Mingw
elsif ($::coff)
{ $tmp=<<___; # applies to both Cygwin and Mingw
.section .ctors
.long $under$f
___
}
elsif ($main'aout)
{
local($ctor)="${under}_GLOBAL_\$I\$$f";
elsif ($::aout)
{ $ctor="${under}_GLOBAL_\$I\$$f";
$tmp=".text\n";
$tmp.=".type $ctor,\@function\n" if ($main'pic);
$tmp.=".type $ctor,\@function\n" if ($::pic);
$tmp.=<<___; # OpenBSD way...
.globl $ctor
.align 2
@ -788,6 +306,6 @@ $ctor:
___
}
push(@out,$tmp) if ($tmp);
}
}
1;