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-rw-r--r--lib/libcrypto/perlasm/x86ms.pl122
1 files changed, 107 insertions, 15 deletions
diff --git a/lib/libcrypto/perlasm/x86ms.pl b/lib/libcrypto/perlasm/x86ms.pl
index b6bd744057e..a0be2934c20 100644
--- a/lib/libcrypto/perlasm/x86ms.pl
+++ b/lib/libcrypto/perlasm/x86ms.pl
@@ -27,7 +27,13 @@ $label="L000";
sub main'asm_init_output { @out=(); }
sub main'asm_get_output { return(@out); }
sub main'get_labels { return(@labels); }
-sub main'external_label { push(@labels,@_); }
+sub main'external_label
+{
+ push(@labels,@_);
+ foreach (@_) {
+ push(@out, "EXTRN\t_$_:DWORD\n");
+ }
+}
sub main'LB
{
@@ -51,6 +57,11 @@ sub main'DWP
&get_mem("DWORD",@_);
}
+sub main'QWP
+ {
+ &get_mem("QWORD",@_);
+ }
+
sub main'BC
{
return @_;
@@ -87,7 +98,7 @@ sub get_mem
$reg2=&conv($1);
$addr="_$2";
}
- elsif ($addr =~ /^[_a-zA-Z]/)
+ elsif ($addr =~ /^[_a-z][_a-z0-9]*$/i)
{
$addr="_$addr";
}
@@ -128,12 +139,14 @@ 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",@_); }
@@ -155,26 +168,54 @@ 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);
+ local($l,$t,$line);
- push(@out,"\t$name\t");
+ $line="\t$name\t";
$t=&conv($p1).",";
$l=length($t);
- push(@out,$t);
+ $line.="$t";
$l=4-($l+9)/8;
- push(@out,"\t" x $l);
- push(@out,&conv($p2));
- push(@out,"\n");
+ $line.="\t" x $l;
+ $line.=&conv($p2);
+ if ($line=~/\bxmm[0-7]\b/i) { $line=~s/\b[A-Z]+WORD\s+PTR/XMMWORD PTR/i; }
+ push(@out,$line."\n");
}
sub out0
@@ -214,7 +255,9 @@ sub main'file
local($tmp)=<<"EOF";
TITLE $file.asm
.386
-.model FLAT
+.model FLAT
+_TEXT\$ SEGMENT PAGE 'CODE'
+
EOF
push(@out,$tmp);
}
@@ -226,7 +269,6 @@ sub main'function_begin
push(@labels,$func);
local($tmp)=<<"EOF";
-_TEXT SEGMENT
PUBLIC _$func
$extra
_$func PROC NEAR
@@ -244,7 +286,6 @@ sub main'function_begin_B
local($func,$extra)=@_;
local($tmp)=<<"EOF";
-_TEXT SEGMENT
PUBLIC _$func
$extra
_$func PROC NEAR
@@ -264,7 +305,6 @@ sub main'function_end
pop ebp
ret
_$func ENDP
-_TEXT ENDS
EOF
push(@out,$tmp);
$stack=0;
@@ -277,7 +317,6 @@ sub main'function_end_B
local($tmp)=<<"EOF";
_$func ENDP
-_TEXT ENDS
EOF
push(@out,$tmp);
$stack=0;
@@ -300,6 +339,20 @@ EOF
sub main'file_end
{
+ # try to detect if SSE2 or MMX extensions were used...
+ my $xmmheader=<<___;
+.686
+.XMM
+IF \@Version LT 800
+XMMWORD STRUCT 16
+ DQ 2 dup (?)
+XMMWORD ENDS
+ENDIF
+___
+ if (grep {/\b[x]?mm[0-7]\b/i} @out) {
+ grep {s/\.[3-7]86/$xmmheader/} @out;
+ }
+ push(@out,"_TEXT\$ ENDS\n");
push(@out,"END\n");
}
@@ -331,6 +384,12 @@ sub main'comment
}
}
+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]}))
@@ -348,19 +407,37 @@ sub main'set_label
$label{$_[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$_[0]\n");
+ push(@out,"\tDD\t".join(',',@_)."\n");
+ }
+
+sub main'align
+ {
+ push(@out,"\tALIGN\t$_[0]\n");
}
sub out1p
@@ -368,7 +445,7 @@ sub out1p
local($name,$p1)=@_;
local($l,$t);
- push(@out,"\t$name\t ".&conv($p1)."\n");
+ push(@out,"\t$name\t".&conv($p1)."\n");
}
sub main'picmeup
@@ -378,3 +455,18 @@ sub main'picmeup
}
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;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.