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path: root/src/lib/libcrypto/perlasm/x86gas.pl
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Diffstat (limited to 'src/lib/libcrypto/perlasm/x86gas.pl')
-rw-r--r--src/lib/libcrypto/perlasm/x86gas.pl272
1 files changed, 0 insertions, 272 deletions
diff --git a/src/lib/libcrypto/perlasm/x86gas.pl b/src/lib/libcrypto/perlasm/x86gas.pl
deleted file mode 100644
index d4baea514b..0000000000
--- a/src/lib/libcrypto/perlasm/x86gas.pl
+++ /dev/null
@@ -1,272 +0,0 @@
1#!/usr/bin/env perl
2
3package x86gas;
4
5*out=\@::out;
6
7$::lbdecor=$::aout?"L":".L"; # local label decoration
8$nmdecor=($::aout or $::coff)?"_":""; # external name decoration
9
10$initseg="";
11
12$align=16;
13$align=log($align)/log(2) if ($::aout);
14$com_start="#" if ($::aout or $::coff);
15
16sub opsize()
17{ my $reg=shift;
18 if ($reg =~ m/^%e/o) { "l"; }
19 elsif ($reg =~ m/^%[a-d][hl]$/o) { "b"; }
20 elsif ($reg =~ m/^%[xm]/o) { undef; }
21 else { "w"; }
22}
23
24# swap arguments;
25# expand opcode with size suffix;
26# prefix numeric constants with $;
27sub ::generic
28{ my($opcode,@arg)=@_;
29 my($suffix,$dst,$src);
30
31 @arg=reverse(@arg);
32
33 for (@arg)
34 { s/^(\*?)(e?[a-dsixphl]{2})$/$1%$2/o; # gp registers
35 s/^([xy]?mm[0-7])$/%$1/o; # xmm/mmx registers
36 s/^(\-?[0-9]+)$/\$$1/o; # constants
37 s/^(\-?0x[0-9a-f]+)$/\$$1/o; # constants
38 }
39
40 $dst = $arg[$#arg] if ($#arg>=0);
41 $src = $arg[$#arg-1] if ($#arg>=1);
42 if ($dst =~ m/^%/o) { $suffix=&opsize($dst); }
43 elsif ($src =~ m/^%/o) { $suffix=&opsize($src); }
44 else { $suffix="l"; }
45 undef $suffix if ($dst =~ m/^%[xm]/o || $src =~ m/^%[xm]/o);
46
47 if ($#_==0) { &::emit($opcode); }
48 elsif ($#_==1 && $opcode =~ m/^(call|clflush|j|loop|set)/o)
49 { &::emit($opcode,@arg); }
50 else { &::emit($opcode.$suffix,@arg);}
51
52 1;
53}
54#
55# opcodes not covered by ::generic above, mostly inconsistent namings...
56#
57sub ::movzx { &::movzb(@_); }
58sub ::pushfd { &::pushfl; }
59sub ::popfd { &::popfl; }
60sub ::cpuid { &::emit(".byte\t0x0f,0xa2"); }
61sub ::rdtsc { &::emit(".byte\t0x0f,0x31"); }
62
63sub ::call { &::emit("call",(&::islabel($_[0]) or "$nmdecor$_[0]")); }
64sub ::call_ptr { &::generic("call","*$_[0]"); }
65sub ::jmp_ptr { &::generic("jmp","*$_[0]"); }
66
67*::bswap = sub { &::emit("bswap","%$_[0]"); } if (!$::i386);
68
69sub ::DWP
70{ my($addr,$reg1,$reg2,$idx)=@_;
71 my $ret="";
72
73 $addr =~ s/^\s+//;
74 # prepend global references with optional underscore
75 $addr =~ s/^([^\+\-0-9][^\+\-]*)/&::islabel($1) or "$nmdecor$1"/ige;
76
77 $reg1 = "%$reg1" if ($reg1);
78 $reg2 = "%$reg2" if ($reg2);
79
80 $ret .= $addr if (($addr ne "") && ($addr ne 0));
81
82 if ($reg2)
83 { $idx!= 0 or $idx=1;
84 $ret .= "($reg1,$reg2,$idx)";
85 }
86 elsif ($reg1)
87 { $ret .= "($reg1)"; }
88
89 $ret;
90}
91sub ::QWP { &::DWP(@_); }
92sub ::BP { &::DWP(@_); }
93sub ::WP { &::DWP(@_); }
94sub ::BC { @_; }
95sub ::DWC { @_; }
96
97sub ::file
98{ push(@out,".file\t\"$_[0].s\"\n.text\n"); }
99
100sub ::function_begin_B
101{ my $func=shift;
102 my $global=($func !~ /^_/);
103 my $begin="${::lbdecor}_${func}_begin";
104
105 &::LABEL($func,$global?"$begin":"$nmdecor$func");
106 $func=$nmdecor.$func;
107
108 push(@out,".globl\t$func\n") if ($global);
109 if ($::coff)
110 { push(@out,".def\t$func;\t.scl\t".(3-$global).";\t.type\t32;\t.endef\n"); }
111 elsif (($::aout and !$::pic) or $::macosx)
112 { }
113 else
114 { push(@out,".type $func,\@function\n"); }
115 push(@out,".align\t$align\n");
116 push(@out,"$func:\n");
117 push(@out,"$begin:\n") if ($global);
118 $::stack=4;
119}
120
121sub ::function_end_B
122{ my $func=shift;
123 push(@out,".size\t$nmdecor$func,.-".&::LABEL($func)."\n") if ($::elf);
124 $::stack=0;
125 &::wipe_labels();
126}
127
128sub ::comment
129 {
130 if (!defined($com_start) or $::elf)
131 { # Regarding $::elf above...
132 # GNU and SVR4 as'es use different comment delimiters,
133 push(@out,"\n"); # so we just skip ELF comments...
134 return;
135 }
136 foreach (@_)
137 {
138 if (/^\s*$/)
139 { push(@out,"\n"); }
140 else
141 { push(@out,"\t$com_start $_ $com_end\n"); }
142 }
143 }
144
145sub ::external_label
146{ foreach(@_) { &::LABEL($_,$nmdecor.$_); } }
147
148sub ::public_label
149{ push(@out,".globl\t".&::LABEL($_[0],$nmdecor.$_[0])."\n"); }
150
151sub ::file_end
152{ if ($::macosx)
153 { if (%non_lazy_ptr)
154 { push(@out,".section __IMPORT,__pointers,non_lazy_symbol_pointers\n");
155 foreach $i (keys %non_lazy_ptr)
156 { push(@out,"$non_lazy_ptr{$i}:\n.indirect_symbol\t$i\n.long\t0\n"); }
157 }
158 }
159 if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out) {
160 my $tmp=".comm\t${nmdecor}OPENSSL_ia32cap_P,8";
161 if ($::macosx) { push (@out,"$tmp,2\n"); }
162 elsif ($::elf) { push (@out,"$tmp,4\n"); }
163 else { push (@out,"$tmp\n"); }
164 }
165 push(@out,$initseg) if ($initseg);
166}
167
168sub ::data_byte { push(@out,".byte\t".join(',',@_)."\n"); }
169sub ::data_short{ push(@out,".value\t".join(',',@_)."\n"); }
170sub ::data_word { push(@out,".long\t".join(',',@_)."\n"); }
171
172sub ::align
173{ my $val=$_[0],$p2,$i;
174 if ($::aout)
175 { for ($p2=0;$val!=0;$val>>=1) { $p2++; }
176 $val=$p2-1;
177 $val.=",0x90";
178 }
179 push(@out,".align\t$val\n");
180}
181
182sub ::picmeup
183{ my($dst,$sym,$base,$reflabel)=@_;
184
185 if ($::openbsd)
186 { &::emitraw("#if defined(PIC) || defined(__PIC__)");
187 &::emitraw("PIC_PROLOGUE");
188 &::mov($dst, &::DWP("PIC_GOT($sym)"));
189 &::emitraw("PIC_EPILOGUE");
190 &::emitraw("#else /* PIC */");
191 &::lea($dst,&::DWP($sym));
192 &::emitraw("#endif /* PIC */");
193 }
194 if (($::pic && ($::elf || $::aout)) || $::macosx)
195 { if (!defined($base))
196 { &::call(&::label("PIC_me_up"));
197 &::set_label("PIC_me_up");
198 &::blindpop($dst);
199 $base=$dst;
200 $reflabel=&::label("PIC_me_up");
201 }
202 if ($::macosx)
203 { my $indirect=&::static_label("$nmdecor$sym\$non_lazy_ptr");
204 &::mov($dst,&::DWP("$indirect-$reflabel",$base));
205 $non_lazy_ptr{"$nmdecor$sym"}=$indirect;
206 }
207 else
208 { &::lea($dst,&::DWP("_GLOBAL_OFFSET_TABLE_+[.-$reflabel]",
209 $base));
210 &::mov($dst,&::DWP("$sym\@GOT",$dst));
211 }
212 }
213 else
214 { &::lea($dst,&::DWP($sym)); }
215}
216
217sub ::initseg
218{ my $f=$nmdecor.shift;
219
220 if ($::openbsd)
221 { $initseg.=<<___;
222.section .init
223PIC_PROLOGUE
224 call PIC_PLT($f)
225PIC_EPILOGUE
226 jmp .Linitalign
227.align $align
228.Linitalign:
229___
230 } elsif ($::android)
231 { $initseg.=<<___;
232.section .init_array
233.align 4
234.long $f
235___
236 }
237 elsif ($::elf)
238 { $initseg.=<<___;
239.section .init
240 call $f
241___
242 }
243 elsif ($::coff)
244 { $initseg.=<<___; # applies to both Cygwin and Mingw
245.section .ctors
246.long $f
247___
248 }
249 elsif ($::macosx)
250 { $initseg.=<<___;
251.mod_init_func
252.align 2
253.long $f
254___
255 }
256 elsif ($::aout)
257 { my $ctor="${nmdecor}_GLOBAL_\$I\$$f";
258 $initseg.=".text\n";
259 $initseg.=".type $ctor,\@function\n" if ($::pic);
260 $initseg.=<<___; # OpenBSD way...
261.globl $ctor
262.align 2
263$ctor:
264 jmp $f
265___
266 }
267}
268
269sub ::dataseg
270{ push(@out,".data\n"); }
271
2721;
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