package x86unix;
$label="L000";
-$const="";
-$constl=0;
$align=($main'aout)?"4":"16";
$under=($main'aout)?"_":"";
.${func}_end:
EOF
push(@out,$tmp);
-
if ($main'cpp)
{ push(@out,"\tSIZE($func,.${func}_end-$func)\n"); }
elsif ($main'gaswin)
sub main'file_end
{
- if ($const ne "")
- {
- push(@out,".section .rodata\n");
- push(@out,$const);
- $const="";
- }
}
sub main'data_word
{
push(@out,"\t.long $_[0]\n");
}
-
-# debug output functions: puts, putx, printf
-
-sub main'puts
- {
- &pushvars();
- &main'push('$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 \"@_[$i]\"\n";
- }
- else
- {
- if ($_[$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
- {
- &out0("pushf");
- &main'push("edx");
- &main'push("ecx");
- &main'push("eax");
- }
-
-sub popvars
- {
- &main'pop("eax");
- &main'pop("ecx");
- &main'pop("edx");
- &out0("popf");
- }