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-rw-r--r--src/lib/libcrypto/perlasm/x86nasm.pl559
1 files changed, 135 insertions, 424 deletions
diff --git a/src/lib/libcrypto/perlasm/x86nasm.pl b/src/lib/libcrypto/perlasm/x86nasm.pl
index fa38f89c09..ce2bed9bb2 100644
--- a/src/lib/libcrypto/perlasm/x86nasm.pl
+++ b/src/lib/libcrypto/perlasm/x86nasm.pl
@@ -1,455 +1,166 @@
1#!/usr/local/bin/perl 1#!/usr/bin/env perl
2 2
3package x86nasm; 3package x86nasm;
4 4
5$label="L000"; 5*out=\@::out;
6$under=($main'netware)?'':'_';
7 6
8%lb=( 'eax', 'al', 7$::lbdecor="L\$"; # local label decoration
9 'ebx', 'bl', 8$nmdecor=$::netware?"":"_"; # external name decoration
10 'ecx', 'cl', 9$drdecor=$::mwerks?".":""; # directive decoration
11 'edx', 'dl',
12 'ax', 'al',
13 'bx', 'bl',
14 'cx', 'cl',
15 'dx', 'dl',
16 );
17 10
18%hb=( 'eax', 'ah', 11$initseg="";
19 'ebx', 'bh',
20 'ecx', 'ch',
21 'edx', 'dh',
22 'ax', 'ah',
23 'bx', 'bh',
24 'cx', 'ch',
25 'dx', 'dh',
26 );
27 12
28sub main'asm_init_output { @out=(); } 13sub ::generic
29sub main'asm_get_output { return(@out); } 14{ my $opcode=shift;
30sub main'get_labels { return(@labels); } 15 my $tmp;
31 16
32sub main'external_label 17 if (!$::mwerks)
33{ 18 { if ($opcode =~ m/^j/o && $#_==0) # optimize jumps
34 push(@labels,@_); 19 { $_[0] = "NEAR $_[0]"; }
35 foreach (@_) { 20 elsif ($opcode eq "lea" && $#_==1) # wipe storage qualifier from lea
36 push(@out,".") if ($main'mwerks); 21 { $_[1] =~ s/^[^\[]*\[/\[/o; }
37 push(@out, "extern\t${under}$_\n"); 22 }
38 } 23 &::emit($opcode,@_);
24 1;
39} 25}
40 26#
41sub main'LB 27# opcodes not covered by ::generic above, mostly inconsistent namings...
42 { 28#
43 (defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n"; 29sub ::call { &::emit("call",(&::islabel($_[0]) or "$nmdecor$_[0]")); }
44 return($lb{$_[0]}); 30sub ::call_ptr { &::emit("call",@_); }
45 } 31sub ::jmp_ptr { &::emit("jmp",@_); }
46
47sub main'HB
48 {
49 (defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n";
50 return($hb{$_[0]});
51 }
52
53sub main'BP
54 {
55 &get_mem("BYTE",@_);
56 }
57
58sub main'DWP
59 {
60 &get_mem("DWORD",@_);
61 }
62
63sub main'QWP
64 {
65 &get_mem("",@_);
66 }
67
68sub main'BC
69 {
70 return (($main'mwerks)?"":"BYTE ")."@_";
71 }
72
73sub main'DWC
74 {
75 return (($main'mwerks)?"":"DWORD ")."@_";
76 }
77
78sub main'stack_push
79 {
80 my($num)=@_;
81 $stack+=$num*4;
82 &main'sub("esp",$num*4);
83 }
84
85sub main'stack_pop
86 {
87 my($num)=@_;
88 $stack-=$num*4;
89 &main'add("esp",$num*4);
90 }
91 32
92sub get_mem 33sub get_mem
93 { 34{ my($size,$addr,$reg1,$reg2,$idx)=@_;
94 my($size,$addr,$reg1,$reg2,$idx)=@_; 35 my($post,$ret);
95 my($t,$post); 36
96 my($ret)=$size; 37 if ($size ne "")
97 if ($ret ne "") 38 { $ret .= "$size";
98 { 39 $ret .= " PTR" if ($::mwerks);
99 $ret .= " PTR" if ($main'mwerks); 40 $ret .= " ";
100 $ret .= " "; 41 }
101 } 42 $ret .= "[";
102 $ret .= "["; 43
103 $addr =~ s/^\s+//; 44 $addr =~ s/^\s+//;
104 if ($addr =~ /^(.+)\+(.+)$/) 45 # prepend global references with optional underscore
105 { 46 $addr =~ s/^([^\+\-0-9][^\+\-]*)/::islabel($1) or "$nmdecor$1"/ige;
106 $reg2=&conv($1); 47 # put address arithmetic expression in parenthesis
107 $addr="$under$2"; 48 $addr="($addr)" if ($addr =~ /^.+[\-\+].+$/);
108 } 49
109 elsif ($addr =~ /^[_a-z][_a-z0-9]*$/i) 50 if (($addr ne "") && ($addr ne 0))
110 { 51 { if ($addr !~ /^-/) { $ret .= "$addr+"; }
111 $addr="$under$addr"; 52 else { $post=$addr; }
112 } 53 }
113 54
114 if ($addr =~ /^.+\-.+$/) { $addr="($addr)"; } 55 if ($reg2 ne "")
115 56 { $idx!=0 or $idx=1;
116 $reg1="$regs{$reg1}" if defined($regs{$reg1}); 57 $ret .= "$reg2*$idx";
117 $reg2="$regs{$reg2}" if defined($regs{$reg2}); 58 $ret .= "+$reg1" if ($reg1 ne "");
118 if (($addr ne "") && ($addr ne 0)) 59 }
119 { 60 else
120 if ($addr !~ /^-/) 61 { $ret .= "$reg1"; }
121 { $ret.="${addr}+"; } 62
122 else { $post=$addr; } 63 $ret .= "$post]";
123 } 64 $ret =~ s/\+\]/]/; # in case $addr was the only argument
124 if ($reg2 ne "") 65
125 { 66 $ret;
126 $t=""; 67}
127 $t="*$idx" if ($idx != 0); 68sub ::BP { &get_mem("BYTE",@_); }
128 $reg1="+".$reg1 if ("$reg1$post" ne ""); 69sub ::DWP { &get_mem("DWORD",@_); }
129 $ret.="$reg2$t$reg1$post]"; 70sub ::QWP { &get_mem("",@_); }
130 } 71sub ::BC { (($::mwerks)?"":"BYTE ")."@_"; }
131 else 72sub ::DWC { (($::mwerks)?"":"DWORD ")."@_"; }
132 { 73
133 $ret.="$reg1$post]" 74sub ::file
134 } 75{ if ($::mwerks) { push(@out,".section\t.text,64\n"); }
135 $ret =~ s/\+\]/]/; # in case $addr was the only argument 76 else
136 return($ret); 77 { my $tmp=<<___;
137 } 78%ifidn __OUTPUT_FORMAT__,obj
138 79section code use32 class=code align=64
139sub main'mov { &out2("mov",@_); } 80%elifidn __OUTPUT_FORMAT__,win32
140sub main'movb { &out2("mov",@_); } 81\$\@feat.00 equ 1
141sub main'and { &out2("and",@_); } 82section .text code align=64
142sub main'or { &out2("or",@_); }
143sub main'shl { &out2("shl",@_); }
144sub main'shr { &out2("shr",@_); }
145sub main'xor { &out2("xor",@_); }
146sub main'xorb { &out2("xor",@_); }
147sub main'add { &out2("add",@_); }
148sub main'adc { &out2("adc",@_); }
149sub main'sub { &out2("sub",@_); }
150sub main'sbb { &out2("sbb",@_); }
151sub main'rotl { &out2("rol",@_); }
152sub main'rotr { &out2("ror",@_); }
153sub main'exch { &out2("xchg",@_); }
154sub main'cmp { &out2("cmp",@_); }
155sub main'lea { &out2("lea",@_); }
156sub main'mul { &out1("mul",@_); }
157sub main'imul { &out2("imul",@_); }
158sub main'div { &out1("div",@_); }
159sub main'dec { &out1("dec",@_); }
160sub main'inc { &out1("inc",@_); }
161sub main'jmp { &out1("jmp",@_); }
162sub main'jmp_ptr { &out1p("jmp",@_); }
163
164# This is a bit of a kludge: declare all branches as NEAR.
165$near=($main'mwerks)?'':'NEAR';
166sub main'je { &out1("je $near",@_); }
167sub main'jle { &out1("jle $near",@_); }
168sub main'jz { &out1("jz $near",@_); }
169sub main'jge { &out1("jge $near",@_); }
170sub main'jl { &out1("jl $near",@_); }
171sub main'ja { &out1("ja $near",@_); }
172sub main'jae { &out1("jae $near",@_); }
173sub main'jb { &out1("jb $near",@_); }
174sub main'jbe { &out1("jbe $near",@_); }
175sub main'jc { &out1("jc $near",@_); }
176sub main'jnc { &out1("jnc $near",@_); }
177sub main'jnz { &out1("jnz $near",@_); }
178sub main'jne { &out1("jne $near",@_); }
179sub main'jno { &out1("jno $near",@_); }
180
181sub main'push { &out1("push",@_); $stack+=4; }
182sub main'pop { &out1("pop",@_); $stack-=4; }
183sub main'pushf { &out0("pushfd"); $stack+=4; }
184sub main'popf { &out0("popfd"); $stack-=4; }
185sub main'bswap { &out1("bswap",@_); &using486(); }
186sub main'not { &out1("not",@_); }
187sub main'call { &out1("call",($_[0]=~/^\@L/?'':$under).$_[0]); }
188sub main'call_ptr { &out1p("call",@_); }
189sub main'ret { &out0("ret"); }
190sub main'nop { &out0("nop"); }
191sub main'test { &out2("test",@_); }
192sub main'bt { &out2("bt",@_); }
193sub main'leave { &out0("leave"); }
194sub main'cpuid { &out0("cpuid"); }
195sub main'rdtsc { &out0("rdtsc"); }
196sub main'halt { &out0("hlt"); }
197sub main'movz { &out2("movzx",@_); }
198sub main'neg { &out1("neg",@_); }
199sub main'cld { &out0("cld"); }
200
201# SSE2
202sub main'emms { &out0("emms"); }
203sub main'movd { &out2("movd",@_); }
204sub main'movq { &out2("movq",@_); }
205sub main'movdqu { &out2("movdqu",@_); }
206sub main'movdqa { &out2("movdqa",@_); }
207sub main'movdq2q{ &out2("movdq2q",@_); }
208sub main'movq2dq{ &out2("movq2dq",@_); }
209sub main'paddq { &out2("paddq",@_); }
210sub main'pmuludq{ &out2("pmuludq",@_); }
211sub main'psrlq { &out2("psrlq",@_); }
212sub main'psllq { &out2("psllq",@_); }
213sub main'pxor { &out2("pxor",@_); }
214sub main'por { &out2("por",@_); }
215sub main'pand { &out2("pand",@_); }
216
217sub out2
218 {
219 my($name,$p1,$p2)=@_;
220 my($l,$t);
221
222 push(@out,"\t$name\t");
223 if (!$main'mwerks and $name eq "lea")
224 {
225 $p1 =~ s/^[^\[]*\[/\[/;
226 $p2 =~ s/^[^\[]*\[/\[/;
227 }
228 $t=&conv($p1).",";
229 $l=length($t);
230 push(@out,$t);
231 $l=4-($l+9)/8;
232 push(@out,"\t" x $l);
233 push(@out,&conv($p2));
234 push(@out,"\n");
235 }
236
237sub out0
238 {
239 my($name)=@_;
240
241 push(@out,"\t$name\n");
242 }
243
244sub out1
245 {
246 my($name,$p1)=@_;
247 my($l,$t);
248 push(@out,"\t$name\t".&conv($p1)."\n");
249 }
250
251sub conv
252 {
253 my($p)=@_;
254 $p =~ s/0x([0-9A-Fa-f]+)/0$1h/;
255 return $p;
256 }
257
258sub using486
259 {
260 return if $using486;
261 $using486++;
262 grep(s/\.386/\.486/,@out);
263 }
264
265sub main'file
266 {
267 if ($main'mwerks) { push(@out,".section\t.text\n"); }
268 else {
269 local $tmp=<<___;
270%ifdef __omf__
271section code use32 class=code
272%else 83%else
273section .text 84section .text code
274%endif 85%endif
275___ 86___
276 push(@out,$tmp);
277 }
278 }
279
280sub main'function_begin
281 {
282 my($func,$extra)=@_;
283
284 push(@labels,$func);
285 push(@out,".") if ($main'mwerks);
286 my($tmp)=<<"EOF";
287global $under$func
288$under$func:
289 push ebp
290 push ebx
291 push esi
292 push edi
293EOF
294 push(@out,$tmp);
295 $stack=20;
296 }
297
298sub main'function_begin_B
299 {
300 my($func,$extra)=@_;
301 push(@out,".") if ($main'mwerks);
302 my($tmp)=<<"EOF";
303global $under$func
304$under$func:
305EOF
306 push(@out,$tmp);
307 $stack=4;
308 }
309
310sub main'function_end
311 {
312 my($func)=@_;
313
314 my($tmp)=<<"EOF";
315 pop edi
316 pop esi
317 pop ebx
318 pop ebp
319 ret
320EOF
321 push(@out,$tmp); 87 push(@out,$tmp);
322 $stack=0; 88 }
323 %label=(); 89}
324 }
325
326sub main'function_end_B
327 {
328 $stack=0;
329 %label=();
330 }
331
332sub main'function_end_A
333 {
334 my($func)=@_;
335
336 my($tmp)=<<"EOF";
337 pop edi
338 pop esi
339 pop ebx
340 pop ebp
341 ret
342EOF
343 push(@out,$tmp);
344 }
345
346sub main'file_end
347 {
348 }
349
350sub main'wparam
351 {
352 my($num)=@_;
353
354 return(&main'DWP($stack+$num*4,"esp","",0));
355 }
356 90
357sub main'swtmp 91sub ::function_begin_B
358 { 92{ my $func=shift;
359 return(&main'DWP($_[0]*4,"esp","",0)); 93 my $global=($func !~ /^_/);
360 } 94 my $begin="${::lbdecor}_${func}_begin";
361 95
362# Should use swtmp, which is above esp. Linix can trash the stack above esp 96 $begin =~ s/^\@/./ if ($::mwerks); # the torture never stops
363#sub main'wtmp
364# {
365# my($num)=@_;
366#
367# return(&main'DWP(-(($num+1)*4),"esp","",0));
368# }
369 97
370sub main'comment 98 &::LABEL($func,$global?"$begin":"$nmdecor$func");
371 { 99 $func=$nmdecor.$func;
372 foreach (@_)
373 {
374 push(@out,"\t; $_\n");
375 }
376 }
377 100
378sub main'public_label 101 push(@out,"${drdecor}global $func\n") if ($global);
379 { 102 push(@out,"${drdecor}align 16\n");
380 $label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]})); 103 push(@out,"$func:\n");
381 push(@out,".") if ($main'mwerks); 104 push(@out,"$begin:\n") if ($global);
382 push(@out,"global\t$label{$_[0]}\n"); 105 $::stack=4;
383 } 106}
384 107
385sub main'label 108sub ::function_end_B
386 { 109{ $::stack=0;
387 if (!defined($label{$_[0]})) 110 &::wipe_labels();
388 { 111}
389 $label{$_[0]}="\@${label}${_[0]}";
390 $label++;
391 }
392 return($label{$_[0]});
393 }
394 112
395sub main'set_label 113sub ::file_end
396 { 114{ if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out)
397 if (!defined($label{$_[0]})) 115 { my $comm=<<___;
398 { 116${drdecor}segment .bss
399 $label{$_[0]}="\@${label}${_[0]}"; 117${drdecor}common ${nmdecor}OPENSSL_ia32cap_P 4
400 $label++; 118___
401 } 119 # comment out OPENSSL_ia32cap_P declarations
402 if ($_[1]!=0 && $_[1]>1) 120 grep {s/(^extern\s+${nmdecor}OPENSSL_ia32cap_P)/\;$1/} @out;
403 { 121 push (@out,$comm)
404 main'align($_[1]); 122 }
405 } 123 push (@out,$initseg) if ($initseg);
406 push(@out,"$label{$_[0]}:\n"); 124}
407 }
408 125
409sub main'data_byte 126sub ::comment { foreach (@_) { push(@out,"\t; $_\n"); } }
410 {
411 push(@out,(($main'mwerks)?".byte\t":"DB\t").join(',',@_)."\n");
412 }
413 127
414sub main'data_word 128sub ::external_label
415 { 129{ foreach(@_)
416 push(@out,(($main'mwerks)?".long\t":"DD\t").join(',',@_)."\n"); 130 { push(@out,"${drdecor}extern\t".&::LABEL($_,$nmdecor.$_)."\n"); }
417 } 131}
418 132
419sub main'align 133sub ::public_label
420 { 134{ push(@out,"${drdecor}global\t".&::LABEL($_[0],$nmdecor.$_[0])."\n"); }
421 push(@out,".") if ($main'mwerks);
422 push(@out,"align\t$_[0]\n");
423 }
424 135
425sub out1p 136sub ::data_byte
426 { 137{ push(@out,(($::mwerks)?".byte\t":"db\t").join(',',@_)."\n"); }
427 my($name,$p1)=@_;
428 my($l,$t);
429 138
430 push(@out,"\t$name\t".&conv($p1)."\n"); 139sub ::data_word
431 } 140{ push(@out,(($::mwerks)?".long\t":"dd\t").join(',',@_)."\n"); }
432 141
433sub main'picmeup 142sub ::align
434 { 143{ push(@out,"${drdecor}align\t$_[0]\n"); }
435 local($dst,$sym)=@_;
436 &main'lea($dst,&main'DWP($sym));
437 }
438 144
439sub main'blindpop { &out1("pop",@_); } 145sub ::picmeup
146{ my($dst,$sym)=@_;
147 &::lea($dst,&::DWP($sym));
148}
440 149
441sub main'initseg 150sub ::initseg
442 { 151{ my $f=$nmdecor.shift;
443 local($f)=@_; 152 if ($::win32)
444 if ($main'win32) 153 { $initseg=<<___;
445 { 154segment .CRT\$XCU data align=4
446 local($tmp)=<<___; 155extern $f
447segment .CRT\$XCU data 156dd $f
448extern $under$f
449DD $under$f
450___ 157___
451 push(@out,$tmp); 158 }
452 } 159}
453 } 160
161sub ::dataseg
162{ if ($mwerks) { push(@out,".section\t.data,4\n"); }
163 else { push(@out,"section\t.data align=4\n"); }
164}
454 165
4551; 1661;
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