7 $::lbdecor="L\$"; # local label decoration
8 $nmdecor=$::netware?"":"_"; # external name decoration
9 $drdecor=$::mwerks?".":""; # directive decoration
18 { if ($opcode =~ m/^j/o && $#_==0) # optimize jumps
19 { $_[0] = "NEAR $_[0]"; }
20 elsif ($opcode eq "lea" && $#_==1) # wipe storage qualifier from lea
21 { $_[1] =~ s/^[^\[]*\[/\[/o; }
22 elsif ($opcode eq "clflush" && $#_==0)
23 { $_[0] =~ s/^[^\[]*\[/\[/o; }
29 # opcodes not covered by ::generic above, mostly inconsistent namings...
31 sub ::call { &::emit("call",(&::islabel($_[0]) or "$nmdecor$_[0]")); }
32 sub ::call_ptr { &::emit("call",@_); }
33 sub ::jmp_ptr { &::emit("jmp",@_); }
36 { my($size,$addr,$reg1,$reg2,$idx)=@_;
41 $ret .= " PTR" if ($::mwerks);
47 # prepend global references with optional underscore
48 $addr =~ s/^([^\+\-0-9][^\+\-]*)/::islabel($1) or "$nmdecor$1"/ige;
49 # put address arithmetic expression in parenthesis
50 $addr="($addr)" if ($addr =~ /^.+[\-\+].+$/);
52 if (($addr ne "") && ($addr ne 0))
53 { if ($addr !~ /^-/) { $ret .= "$addr+"; }
60 $ret .= "+$reg1" if ($reg1 ne "");
66 $ret =~ s/\+\]/]/; # in case $addr was the only argument
70 sub ::BP { &get_mem("BYTE",@_); }
71 sub ::DWP { &get_mem("DWORD",@_); }
72 sub ::WP { &get_mem("WORD",@_); }
73 sub ::QWP { &get_mem("",@_); }
74 sub ::BC { (($::mwerks)?"":"BYTE ")."@_"; }
75 sub ::DWC { (($::mwerks)?"":"DWORD ")."@_"; }
78 { if ($::mwerks) { push(@out,".section\t.text,64\n"); }
81 %ifidn __OUTPUT_FORMAT__,obj
82 section code use32 class=code align=64
83 %elifidn __OUTPUT_FORMAT__,win32
85 section .text code align=64
94 sub ::function_begin_B
96 my $global=($func !~ /^_/);
97 my $begin="${::lbdecor}_${func}_begin";
99 $begin =~ s/^\@/./ if ($::mwerks); # the torture never stops
101 &::LABEL($func,$global?"$begin":"$nmdecor$func");
102 $func=$nmdecor.$func;
104 push(@out,"${drdecor}global $func\n") if ($global);
105 push(@out,"${drdecor}align 16\n");
106 push(@out,"$func:\n");
107 push(@out,"$begin:\n") if ($global);
117 { if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out)
119 ${drdecor}segment .bss
120 ${drdecor}common ${nmdecor}OPENSSL_ia32cap_P 8
122 # comment out OPENSSL_ia32cap_P declarations
123 grep {s/(^extern\s+${nmdecor}OPENSSL_ia32cap_P)/\;$1/} @out;
126 push (@out,$initseg) if ($initseg);
129 sub ::comment { foreach (@_) { push(@out,"\t; $_\n"); } }
133 { push(@out,"${drdecor}extern\t".&::LABEL($_,$nmdecor.$_)."\n"); }
137 { push(@out,"${drdecor}global\t".&::LABEL($_[0],$nmdecor.$_[0])."\n"); }
140 { push(@out,(($::mwerks)?".byte\t":"db\t").join(',',@_)."\n"); }
142 { push(@out,(($::mwerks)?".word\t":"dw\t").join(',',@_)."\n"); }
144 { push(@out,(($::mwerks)?".long\t":"dd\t").join(',',@_)."\n"); }
147 { push(@out,"${drdecor}align\t$_[0]\n"); }
151 &::lea($dst,&::DWP($sym));
155 { my $f=$nmdecor.shift;
158 segment .CRT\$XCU data align=4
166 { if ($mwerks) { push(@out,".section\t.data,4\n"); }
167 else { push(@out,"section\t.data align=4\n"); }
172 push(@out,"%if __NASM_VERSION_ID__ >= 0x02030000\n");
173 push(@out,"safeseh ".&::LABEL($nm,$nmdecor.$nm)."\n");
174 push(@out,"%endif\n");