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authordjm <>2010-10-01 22:59:01 +0000
committerdjm <>2010-10-01 22:59:01 +0000
commitfe047d8b632246cb2db3234a0a4f32e5c318857b (patch)
tree939b752540947d33507b3acc48d76a8bfb7c3dc3 /src/lib/libcrypto/perlasm/x86unix.pl
parent2ea67f4aa254b09ded62e6e14fc893bbe6381579 (diff)
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resolve conflicts, fix local changes
Diffstat (limited to 'src/lib/libcrypto/perlasm/x86unix.pl')
-rw-r--r--src/lib/libcrypto/perlasm/x86unix.pl808
1 files changed, 0 insertions, 808 deletions
diff --git a/src/lib/libcrypto/perlasm/x86unix.pl b/src/lib/libcrypto/perlasm/x86unix.pl
deleted file mode 100644
index ae8f0964dc..0000000000
--- a/src/lib/libcrypto/perlasm/x86unix.pl
+++ /dev/null
@@ -1,808 +0,0 @@
1#!/usr/local/bin/perl
2
3package x86unix; # GAS actually...
4
5$label="L000";
6$const="";
7$constl=0;
8
9$align=($main'aout)?"4":"16";
10$under=($main'aout or $main'coff)?"_":"";
11$dot=($main'aout)?"":".";
12$com_start="#" if ($main'aout or $main'coff);
13
14sub main'asm_init_output { @out=(); }
15sub main'asm_get_output { return(@out); }
16sub main'get_labels { return(@labels); }
17sub main'external_label { push(@labels,@_); }
18
19if ($main'openbsd)
20 {
21 $com_start='/*';
22 $com_end='*/';
23 }
24
25if ($main'cpp)
26 {
27 $align="ALIGN";
28 $under="";
29 $com_start='/*';
30 $com_end='*/';
31 }
32
33%lb=( 'eax', '%al',
34 'ebx', '%bl',
35 'ecx', '%cl',
36 'edx', '%dl',
37 'ax', '%al',
38 'bx', '%bl',
39 'cx', '%cl',
40 'dx', '%dl',
41 );
42
43%hb=( 'eax', '%ah',
44 'ebx', '%bh',
45 'ecx', '%ch',
46 'edx', '%dh',
47 'ax', '%ah',
48 'bx', '%bh',
49 'cx', '%ch',
50 'dx', '%dh',
51 );
52
53%regs=( 'eax', '%eax',
54 'ebx', '%ebx',
55 'ecx', '%ecx',
56 'edx', '%edx',
57 'esi', '%esi',
58 'edi', '%edi',
59 'ebp', '%ebp',
60 'esp', '%esp',
61
62 'mm0', '%mm0',
63 'mm1', '%mm1',
64 'mm2', '%mm2',
65 'mm3', '%mm3',
66 'mm4', '%mm4',
67 'mm5', '%mm5',
68 'mm6', '%mm6',
69 'mm7', '%mm7',
70
71 'xmm0', '%xmm0',
72 'xmm1', '%xmm1',
73 'xmm2', '%xmm2',
74 'xmm3', '%xmm3',
75 'xmm4', '%xmm4',
76 'xmm5', '%xmm5',
77 'xmm6', '%xmm6',
78 'xmm7', '%xmm7',
79 );
80
81%reg_val=(
82 'eax', 0x00,
83 'ebx', 0x03,
84 'ecx', 0x01,
85 'edx', 0x02,
86 'esi', 0x06,
87 'edi', 0x07,
88 'ebp', 0x05,
89 'esp', 0x04,
90 );
91
92sub main'LB
93 {
94 (defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n";
95 return($lb{$_[0]});
96 }
97
98sub main'HB
99 {
100 (defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n";
101 return($hb{$_[0]});
102 }
103
104sub main'DWP
105 {
106 local($addr,$reg1,$reg2,$idx)=@_;
107
108 $ret="";
109 $addr =~ s/(^|[+ \t])([A-Za-z_]+[A-Za-z0-9_]+)($|[+ \t])/$1$under$2$3/;
110 $reg1="$regs{$reg1}" if defined($regs{$reg1});
111 $reg2="$regs{$reg2}" if defined($regs{$reg2});
112 $ret.=$addr if ($addr ne "") && ($addr ne 0);
113 if ($reg2 ne "")
114 {
115 if($idx ne "" && $idx != 0)
116 { $ret.="($reg1,$reg2,$idx)"; }
117 else
118 { $ret.="($reg1,$reg2)"; }
119 }
120 elsif ($reg1 ne "")
121 { $ret.="($reg1)" }
122 return($ret);
123 }
124
125sub main'QWP
126 {
127 return(&main'DWP(@_));
128 }
129
130sub main'BP
131 {
132 return(&main'DWP(@_));
133 }
134
135sub main'BC
136 {
137 return @_;
138 }
139
140sub main'DWC
141 {
142 return @_;
143 }
144
145#sub main'BP
146# {
147# local($addr,$reg1,$reg2,$idx)=@_;
148#
149# $ret="";
150#
151# $addr =~ s/(^|[+ \t])([A-Za-z_]+)($|[+ \t])/$1$under$2$3/;
152# $reg1="$regs{$reg1}" if defined($regs{$reg1});
153# $reg2="$regs{$reg2}" if defined($regs{$reg2});
154# $ret.=$addr if ($addr ne "") && ($addr ne 0);
155# if ($reg2 ne "")
156# { $ret.="($reg1,$reg2,$idx)"; }
157# else
158# { $ret.="($reg1)" }
159# return($ret);
160# }
161
162sub main'mov { &out2("movl",@_); }
163sub main'movb { &out2("movb",@_); }
164sub main'and { &out2("andl",@_); }
165sub main'or { &out2("orl",@_); }
166sub main'shl { &out2("sall",@_); }
167sub main'shr { &out2("shrl",@_); }
168sub main'xor { &out2("xorl",@_); }
169sub main'xorb { &out2("xorb",@_); }
170sub main'add { &out2($_[0]=~/%[a-d][lh]/?"addb":"addl",@_); }
171sub main'adc { &out2("adcl",@_); }
172sub main'sub { &out2("subl",@_); }
173sub main'sbb { &out2("sbbl",@_); }
174sub main'rotl { &out2("roll",@_); }
175sub main'rotr { &out2("rorl",@_); }
176sub main'exch { &out2($_[0]=~/%[a-d][lh]/?"xchgb":"xchgl",@_); }
177sub main'cmp { &out2("cmpl",@_); }
178sub main'lea { &out2("leal",@_); }
179sub main'mul { &out1("mull",@_); }
180sub main'imul { &out2("imull",@_); }
181sub main'div { &out1("divl",@_); }
182sub main'jmp { &out1("jmp",@_); }
183sub main'jmp_ptr { &out1p("jmp",@_); }
184sub main'je { &out1("je",@_); }
185sub main'jle { &out1("jle",@_); }
186sub main'jne { &out1("jne",@_); }
187sub main'jnz { &out1("jnz",@_); }
188sub main'jz { &out1("jz",@_); }
189sub main'jge { &out1("jge",@_); }
190sub main'jl { &out1("jl",@_); }
191sub main'ja { &out1("ja",@_); }
192sub main'jae { &out1("jae",@_); }
193sub main'jb { &out1("jb",@_); }
194sub main'jbe { &out1("jbe",@_); }
195sub main'jc { &out1("jc",@_); }
196sub main'jnc { &out1("jnc",@_); }
197sub main'jno { &out1("jno",@_); }
198sub main'dec { &out1("decl",@_); }
199sub main'inc { &out1($_[0]=~/%[a-d][hl]/?"incb":"incl",@_); }
200sub main'push { &out1("pushl",@_); $stack+=4; }
201sub main'pop { &out1("popl",@_); $stack-=4; }
202sub main'pushf { &out0("pushfl"); $stack+=4; }
203sub main'popf { &out0("popfl"); $stack-=4; }
204sub main'not { &out1("notl",@_); }
205sub main'call { my $pre=$under;
206 foreach $i (%label)
207 { if ($label{$i} eq $_[0]) { $pre=''; last; } }
208 &out1("call",$pre.$_[0]);
209 }
210sub main'call_ptr { &out1p("call",@_); }
211sub main'ret { &out0("ret"); }
212sub main'nop { &out0("nop"); }
213sub main'test { &out2("testl",@_); }
214sub main'bt { &out2("btl",@_); }
215sub main'leave { &out0("leave"); }
216sub main'cpuid { &out0(".byte\t0x0f,0xa2"); }
217sub main'rdtsc { &out0(".byte\t0x0f,0x31"); }
218sub main'halt { &out0("hlt"); }
219sub main'movz { &out2("movzbl",@_); }
220sub main'neg { &out1("negl",@_); }
221sub main'cld { &out0("cld"); }
222
223# SSE2
224sub main'emms { &out0("emms"); }
225sub main'movd { &out2("movd",@_); }
226sub main'movdqu { &out2("movdqu",@_); }
227sub main'movdqa { &out2("movdqa",@_); }
228sub main'movdq2q{ &out2("movdq2q",@_); }
229sub main'movq2dq{ &out2("movq2dq",@_); }
230sub main'paddq { &out2("paddq",@_); }
231sub main'pmuludq{ &out2("pmuludq",@_); }
232sub main'psrlq { &out2("psrlq",@_); }
233sub main'psllq { &out2("psllq",@_); }
234sub main'pxor { &out2("pxor",@_); }
235sub main'por { &out2("por",@_); }
236sub main'pand { &out2("pand",@_); }
237sub main'movq {
238 local($p1,$p2,$optimize)=@_;
239 if ($optimize && $p1=~/^mm[0-7]$/ && $p2=~/^mm[0-7]$/)
240 # movq between mmx registers can sink Intel CPUs
241 { push(@out,"\tpshufw\t\$0xe4,%$p2,%$p1\n"); }
242 else { &out2("movq",@_); }
243 }
244
245# The bswapl instruction is new for the 486. Emulate if i386.
246sub main'bswap
247 {
248 if ($main'i386)
249 {
250 &main'comment("bswapl @_");
251 &main'exch(main'HB(@_),main'LB(@_));
252 &main'rotr(@_,16);
253 &main'exch(main'HB(@_),main'LB(@_));
254 }
255 else
256 {
257 &out1("bswapl",@_);
258 }
259 }
260
261sub out2
262 {
263 local($name,$p1,$p2)=@_;
264 local($l,$ll,$t);
265 local(%special)=( "roll",0xD1C0,"rorl",0xD1C8,
266 "rcll",0xD1D0,"rcrl",0xD1D8,
267 "shll",0xD1E0,"shrl",0xD1E8,
268 "sarl",0xD1F8);
269
270 if ((defined($special{$name})) && defined($regs{$p1}) && ($p2 == 1))
271 {
272 $op=$special{$name}|$reg_val{$p1};
273 $tmp1=sprintf(".byte %d\n",($op>>8)&0xff);
274 $tmp2=sprintf(".byte %d\t",$op &0xff);
275 push(@out,$tmp1);
276 push(@out,$tmp2);
277
278 $p2=&conv($p2);
279 $p1=&conv($p1);
280 &main'comment("$name $p2 $p1");
281 return;
282 }
283
284 push(@out,"\t$name\t");
285 $t=&conv($p2).",";
286 $l=length($t);
287 push(@out,$t);
288 $ll=4-($l+9)/8;
289 $tmp1=sprintf("\t" x $ll);
290 push(@out,$tmp1);
291 push(@out,&conv($p1)."\n");
292 }
293
294sub out1
295 {
296 local($name,$p1)=@_;
297 local($l,$t);
298 local(%special)=("bswapl",0x0FC8);
299
300 if ((defined($special{$name})) && defined($regs{$p1}))
301 {
302 $op=$special{$name}|$reg_val{$p1};
303 $tmp1=sprintf(".byte %d\n",($op>>8)&0xff);
304 $tmp2=sprintf(".byte %d\t",$op &0xff);
305 push(@out,$tmp1);
306 push(@out,$tmp2);
307
308 $p2=&conv($p2);
309 $p1=&conv($p1);
310 &main'comment("$name $p2 $p1");
311 return;
312 }
313
314 push(@out,"\t$name\t".&conv($p1)."\n");
315 }
316
317sub out1p
318 {
319 local($name,$p1)=@_;
320 local($l,$t);
321
322 push(@out,"\t$name\t*".&conv($p1)."\n");
323 }
324
325sub out0
326 {
327 push(@out,"\t$_[0]\n");
328 }
329
330sub conv
331 {
332 local($p)=@_;
333
334# $p =~ s/0x([0-9A-Fa-f]+)/0$1h/;
335
336 $p=$regs{$p} if (defined($regs{$p}));
337
338 $p =~ s/^(-{0,1}[0-9A-Fa-f]+)$/\$$1/;
339 $p =~ s/^(0x[0-9A-Fa-f]+)$/\$$1/;
340 return $p;
341 }
342
343sub main'file
344 {
345 local($file)=@_;
346
347 if ($main'openbsd)
348 { push(@out,"#include <machine/asm.h>\n"); }
349
350 local($tmp)=<<"EOF";
351 .file "$file.s"
352EOF
353 push(@out,$tmp);
354 }
355
356sub main'function_begin
357 {
358 local($func,$junk,$llabel)=@_;
359
360 &main'external_label($func);
361 $func=$under.$func;
362
363 if ($main'openbsd)
364 {
365 push (@out, "\nENTRY($func)\n");
366 push (@out, "$llabel:\n") if $llabel;
367 goto skip;
368 }
369
370 local($tmp)=<<"EOF";
371.text
372.globl $func
373EOF
374 push(@out,$tmp);
375 if ($main'cpp)
376 { $tmp=push(@out,"TYPE($func,\@function)\n"); }
377 elsif ($main'coff)
378 { $tmp=push(@out,".def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); }
379 elsif ($main'aout and !$main'pic)
380 { }
381 else { $tmp=push(@out,".type\t$func,\@function\n"); }
382 push(@out,".align\t$align\n");
383 push(@out,"$func:\n");
384skip:
385 $tmp=<<"EOF";
386 pushl %ebp
387 pushl %ebx
388 pushl %esi
389 pushl %edi
390
391EOF
392 push(@out,$tmp);
393 $stack=20;
394 }
395
396sub main'function_begin_B
397 {
398 local($func,$extra)=@_;
399
400 &main'external_label($func);
401 $func=$under.$func;
402
403 if ($main'openbsd)
404 { push(@out, "\nENTRY($func)\n"); goto skip; }
405
406 local($tmp)=<<"EOF";
407.text
408.globl $func
409EOF
410 push(@out,$tmp);
411 if ($main'cpp)
412 { push(@out,"TYPE($func,\@function)\n"); }
413 elsif ($main'coff)
414 { $tmp=push(@out,".def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); }
415 elsif ($main'aout and !$main'pic)
416 { }
417 else { push(@out,".type $func,\@function\n"); }
418 push(@out,".align\t$align\n");
419 push(@out,"$func:\n");
420skip:
421 $stack=4;
422 }
423
424# Like function_begin_B but with static linkage
425sub main'function_begin_C
426 {
427 local($func,$extra)=@_;
428
429 &main'external_label($func);
430 $func=$under.$func;
431
432 if ($main'openbsd)
433 {
434 local($tmp)=<<"EOF";
435.text
436_ALIGN_TEXT
437.type $func,\@function
438$func:
439EOF
440 push(@out, $tmp);
441 goto skip;
442 }
443
444 local($tmp)=<<"EOF";
445.text
446.globl $func
447EOF
448 push(@out,$tmp);
449 if ($main'cpp)
450 { push(@out,"TYPE($func,\@function)\n"); }
451 elsif ($main'coff)
452 { $tmp=push(@out,".def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); }
453 elsif ($main'aout and !$main'pic)
454 { }
455 else { push(@out,".type $func,\@function\n"); }
456 push(@out,".align\t$align\n");
457 push(@out,"$func:\n");
458skip:
459 $stack=4;
460 }
461
462sub main'function_end
463 {
464 local($func)=@_;
465
466 $func=$under.$func;
467
468 local($tmp)=<<"EOF";
469 popl %edi
470 popl %esi
471 popl %ebx
472 popl %ebp
473 ret
474${dot}L_${func}_end:
475EOF
476 push(@out,$tmp);
477
478 if ($main'cpp)
479 { push(@out,"SIZE($func,${dot}L_${func}_end-$func)\n"); }
480 elsif ($main'coff or $main'aout)
481 { }
482 else { push(@out,".size\t$func,${dot}L_${func}_end-$func\n"); }
483 push(@out,".ident \"$func\"\n");
484 $stack=0;
485 %label=();
486 }
487
488sub main'function_end_A
489 {
490 local($func)=@_;
491
492 local($tmp)=<<"EOF";
493 popl %edi
494 popl %esi
495 popl %ebx
496 popl %ebp
497 ret
498EOF
499 push(@out,$tmp);
500 }
501
502sub main'function_end_B
503 {
504 local($func)=@_;
505
506 $func=$under.$func;
507
508 push(@out,"${dot}L_${func}_end:\n");
509 if ($main'cpp)
510 { push(@out,"SIZE($func,${dot}L_${func}_end-$func)\n"); }
511 elsif ($main'coff or $main'aout)
512 { }
513 else { push(@out,".size\t$func,${dot}L_${func}_end-$func\n"); }
514 push(@out,".ident \"$func\"\n");
515 $stack=0;
516 %label=();
517 }
518
519sub main'function_end_C { function_end_B(@_); }
520
521sub main'wparam
522 {
523 local($num)=@_;
524
525 return(&main'DWP($stack+$num*4,"esp","",0));
526 }
527
528sub main'stack_push
529 {
530 local($num)=@_;
531 $stack+=$num*4;
532 &main'sub("esp",$num*4);
533 }
534
535sub main'stack_pop
536 {
537 local($num)=@_;
538 $stack-=$num*4;
539 &main'add("esp",$num*4);
540 }
541
542sub main'swtmp
543 {
544 return(&main'DWP($_[0]*4,"esp","",0));
545 }
546
547# Should use swtmp, which is above esp. Linix can trash the stack above esp
548#sub main'wtmp
549# {
550# local($num)=@_;
551#
552# return(&main'DWP(-($num+1)*4,"esp","",0));
553# }
554
555sub main'comment
556 {
557 if (!defined($com_start) or (!$main'openbsd && $main'elf))
558 { # Regarding $main'elf above...
559 # GNU and SVR4 as'es use different comment delimiters,
560 push(@out,"\n"); # so we just skip ELF comments...
561 return;
562 }
563 foreach (@_)
564 {
565 if (/^\s*$/)
566 { push(@out,"\n"); }
567 else
568 { push(@out,"\t$com_start $_ $com_end\n"); }
569 }
570 }
571
572sub main'public_label
573 {
574 $label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]}));
575 push(@out,".globl\t$label{$_[0]}\n");
576 }
577
578sub main'label
579 {
580 if (!defined($label{$_[0]}))
581 {
582 $label{$_[0]}="${dot}${label}${_[0]}";
583 $label++;
584 }
585 return($label{$_[0]});
586 }
587
588sub main'set_label
589 {
590 if (!defined($label{$_[0]}))
591 {
592 $label{$_[0]}="${dot}${label}${_[0]}";
593 $label++;
594 }
595 if ($_[1]!=0)
596 {
597 if ($_[1]>1) { main'align($_[1]); }
598 else
599 {
600 if ($main'openbsd)
601 { push(@out,"_ALIGN_TEXT\n"); }
602 else
603 { push(@out,".align $align\n"); }
604 }
605 }
606 push(@out,"$label{$_[0]}:\n");
607 }
608
609sub main'file_end
610 {
611 # try to detect if SSE2 or MMX extensions were used on ELF platform...
612 if ($main'elf && grep {/\b%[x]*mm[0-7]\b|OPENSSL_ia32cap_P\b/i} @out) {
613 local($tmp);
614
615 push (@out,"\n.section\t.bss\n");
616 push (@out,".comm\t${under}OPENSSL_ia32cap_P,4,4\n");
617
618 return;
619 }
620
621 if ($const ne "")
622 {
623 push(@out,".section .rodata\n");
624 push(@out,$const);
625 $const="";
626 }
627 }
628
629sub main'data_byte
630 {
631 push(@out,"\t.byte\t".join(',',@_)."\n");
632 }
633
634sub main'data_word
635 {
636 push(@out,"\t.long\t".join(',',@_)."\n");
637 }
638
639sub main'align
640 {
641 my $val=$_[0],$p2,$i;
642 if ($main'aout) {
643 for ($p2=0;$val!=0;$val>>=1) { $p2++; }
644 $val=$p2-1;
645 $val.=",0x90";
646 }
647 push(@out,".align\t$val\n");
648 if ($main'openbsd)
649 { push(@out,"_ALIGN_TEXT\n"); }
650 else
651 { push(@out,".align $tval\n"); }
652 }
653
654# debug output functions: puts, putx, printf
655
656sub main'puts
657 {
658 &pushvars();
659 &main'push('$Lstring' . ++$constl);
660 &main'call('puts');
661 $stack-=4;
662 &main'add("esp",4);
663 &popvars();
664
665 $const .= "Lstring$constl:\n\t.string \"@_[0]\"\n";
666 }
667
668sub main'putx
669 {
670 &pushvars();
671 &main'push($_[0]);
672 &main'push('$Lstring' . ++$constl);
673 &main'call('printf');
674 &main'add("esp",8);
675 $stack-=8;
676 &popvars();
677
678 $const .= "Lstring$constl:\n\t.string \"\%X\"\n";
679 }
680
681sub main'printf
682 {
683 $ostack = $stack;
684 &pushvars();
685 for ($i = @_ - 1; $i >= 0; $i--)
686 {
687 if ($i == 0) # change this to support %s format strings
688 {
689 &main'push('$Lstring' . ++$constl);
690 $const .= "Lstring$constl:\n\t.string \"@_[$i]\"\n";
691 }
692 else
693 {
694 if ($_[$i] =~ /([0-9]*)\(%esp\)/)
695 {
696 &main'push(($1 + $stack - $ostack) . '(%esp)');
697 }
698 else
699 {
700 &main'push($_[$i]);
701 }
702 }
703 }
704 &main'call('printf');
705 $stack-=4*@_;
706 &main'add("esp",4*@_);
707 &popvars();
708 }
709
710sub pushvars
711 {
712 &main'pushf();
713 &main'push("edx");
714 &main'push("ecx");
715 &main'push("eax");
716 }
717
718sub popvars
719 {
720 &main'pop("eax");
721 &main'pop("ecx");
722 &main'pop("edx");
723 &main'popf();
724 }
725
726sub main'picmeup
727 {
728 local($dst,$sym)=@_;
729 if ($main'cpp)
730 {
731 local($tmp)=<<___;
732#if (defined(ELF) || defined(SOL)) && defined(PIC)
733 call 1f
7341: popl $regs{$dst}
735 addl \$_GLOBAL_OFFSET_TABLE_+[.-1b],$regs{$dst}
736 movl $sym\@GOT($regs{$dst}),$regs{$dst}
737#else
738 leal $sym,$regs{$dst}
739#endif
740___
741 push(@out,$tmp);
742 }
743 elsif ($main'openbsd)
744 {
745 push(@out, "#ifdef PIC\n");
746 push(@out, "\tPIC_PROLOGUE\n");
747 &main'mov($dst,"PIC_GOT($sym)");
748 push(@out, "\tPIC_EPILOGUE\n");
749 push(@out, "#else\n");
750 &main'lea($dst,&main'DWP($sym));
751 push(@out, "#endif\n");
752 }
753 elsif ($main'pic && ($main'elf || $main'aout))
754 {
755 &main'call(&main'label("PIC_me_up"));
756 &main'set_label("PIC_me_up");
757 &main'blindpop($dst);
758 &main'add($dst,"\$${under}_GLOBAL_OFFSET_TABLE_+[.-".
759 &main'label("PIC_me_up") . "]");
760 &main'mov($dst,&main'DWP($under.$sym."\@GOT",$dst));
761 }
762 else
763 {
764 &main'lea($dst,&main'DWP($sym));
765 }
766 }
767
768sub main'blindpop { &out1("popl",@_); }
769
770sub main'initseg
771 {
772 local($f)=@_;
773 local($tmp);
774 if ($main'elf)
775 {
776 $tmp=<<___;
777.section .init
778 PIC_PROLOGUE
779 call PIC_PLT($under$f)
780 PIC_EPILOGUE
781 jmp .Linitalign
782.align $align
783.Linitalign:
784___
785 }
786 elsif ($main'coff)
787 {
788 $tmp=<<___; # applies to both Cygwin and Mingw
789.section .ctors
790.long $under$f
791___
792 }
793 elsif ($main'aout)
794 {
795 local($ctor)="${under}_GLOBAL_\$I\$$f";
796 $tmp=".text\n";
797 $tmp.=".type $ctor,\@function\n" if ($main'pic);
798 $tmp.=<<___; # OpenBSD way...
799.globl $ctor
800.align 2
801$ctor:
802 jmp $under$f
803___
804 }
805 push(@out,$tmp) if ($tmp);
806 }
807
8081;