diff options
Diffstat (limited to 'src/lib/libcrypto/perlasm/x86unix.pl')
-rw-r--r-- | src/lib/libcrypto/perlasm/x86unix.pl | 725 |
1 files changed, 0 insertions, 725 deletions
diff --git a/src/lib/libcrypto/perlasm/x86unix.pl b/src/lib/libcrypto/perlasm/x86unix.pl deleted file mode 100644 index a4c947165e..0000000000 --- a/src/lib/libcrypto/perlasm/x86unix.pl +++ /dev/null | |||
@@ -1,725 +0,0 @@ | |||
1 | #!/usr/local/bin/perl | ||
2 | |||
3 | package 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 $main'coff); | ||
13 | |||
14 | sub main'asm_init_output { @out=(); } | ||
15 | sub main'asm_get_output { return(@out); } | ||
16 | sub main'get_labels { return(@labels); } | ||
17 | sub main'external_label { push(@labels,@_); } | ||
18 | |||
19 | if ($main'cpp) | ||
20 | { | ||
21 | $align="ALIGN"; | ||
22 | $under=""; | ||
23 | $com_start='/*'; | ||
24 | $com_end='*/'; | ||
25 | } | ||
26 | |||
27 | %lb=( 'eax', '%al', | ||
28 | 'ebx', '%bl', | ||
29 | 'ecx', '%cl', | ||
30 | 'edx', '%dl', | ||
31 | 'ax', '%al', | ||
32 | 'bx', '%bl', | ||
33 | 'cx', '%cl', | ||
34 | 'dx', '%dl', | ||
35 | ); | ||
36 | |||
37 | %hb=( 'eax', '%ah', | ||
38 | 'ebx', '%bh', | ||
39 | 'ecx', '%ch', | ||
40 | 'edx', '%dh', | ||
41 | 'ax', '%ah', | ||
42 | 'bx', '%bh', | ||
43 | 'cx', '%ch', | ||
44 | 'dx', '%dh', | ||
45 | ); | ||
46 | |||
47 | %regs=( 'eax', '%eax', | ||
48 | 'ebx', '%ebx', | ||
49 | 'ecx', '%ecx', | ||
50 | 'edx', '%edx', | ||
51 | 'esi', '%esi', | ||
52 | 'edi', '%edi', | ||
53 | 'ebp', '%ebp', | ||
54 | 'esp', '%esp', | ||
55 | |||
56 | 'mm0', '%mm0', | ||
57 | 'mm1', '%mm1', | ||
58 | 'mm2', '%mm2', | ||
59 | 'mm3', '%mm3', | ||
60 | 'mm4', '%mm4', | ||
61 | 'mm5', '%mm5', | ||
62 | 'mm6', '%mm6', | ||
63 | 'mm7', '%mm7', | ||
64 | |||
65 | 'xmm0', '%xmm0', | ||
66 | 'xmm1', '%xmm1', | ||
67 | 'xmm2', '%xmm2', | ||
68 | 'xmm3', '%xmm3', | ||
69 | 'xmm4', '%xmm4', | ||
70 | 'xmm5', '%xmm5', | ||
71 | 'xmm6', '%xmm6', | ||
72 | 'xmm7', '%xmm7', | ||
73 | ); | ||
74 | |||
75 | %reg_val=( | ||
76 | 'eax', 0x00, | ||
77 | 'ebx', 0x03, | ||
78 | 'ecx', 0x01, | ||
79 | 'edx', 0x02, | ||
80 | 'esi', 0x06, | ||
81 | 'edi', 0x07, | ||
82 | 'ebp', 0x05, | ||
83 | 'esp', 0x04, | ||
84 | ); | ||
85 | |||
86 | sub main'LB | ||
87 | { | ||
88 | (defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n"; | ||
89 | return($lb{$_[0]}); | ||
90 | } | ||
91 | |||
92 | sub main'HB | ||
93 | { | ||
94 | (defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n"; | ||
95 | return($hb{$_[0]}); | ||
96 | } | ||
97 | |||
98 | sub main'DWP | ||
99 | { | ||
100 | local($addr,$reg1,$reg2,$idx)=@_; | ||
101 | |||
102 | $ret=""; | ||
103 | $addr =~ s/(^|[+ \t])([A-Za-z_]+[A-Za-z0-9_]+)($|[+ \t])/$1$under$2$3/; | ||
104 | $reg1="$regs{$reg1}" if defined($regs{$reg1}); | ||
105 | $reg2="$regs{$reg2}" if defined($regs{$reg2}); | ||
106 | $ret.=$addr if ($addr ne "") && ($addr ne 0); | ||
107 | if ($reg2 ne "") | ||
108 | { | ||
109 | if($idx ne "" && $idx != 0) | ||
110 | { $ret.="($reg1,$reg2,$idx)"; } | ||
111 | else | ||
112 | { $ret.="($reg1,$reg2)"; } | ||
113 | } | ||
114 | elsif ($reg1 ne "") | ||
115 | { $ret.="($reg1)" } | ||
116 | return($ret); | ||
117 | } | ||
118 | |||
119 | sub main'QWP | ||
120 | { | ||
121 | return(&main'DWP(@_)); | ||
122 | } | ||
123 | |||
124 | sub main'BP | ||
125 | { | ||
126 | return(&main'DWP(@_)); | ||
127 | } | ||
128 | |||
129 | sub main'BC | ||
130 | { | ||
131 | return @_; | ||
132 | } | ||
133 | |||
134 | sub main'DWC | ||
135 | { | ||
136 | return @_; | ||
137 | } | ||
138 | |||
139 | #sub main'BP | ||
140 | # { | ||
141 | # local($addr,$reg1,$reg2,$idx)=@_; | ||
142 | # | ||
143 | # $ret=""; | ||
144 | # | ||
145 | # $addr =~ s/(^|[+ \t])([A-Za-z_]+)($|[+ \t])/$1$under$2$3/; | ||
146 | # $reg1="$regs{$reg1}" if defined($regs{$reg1}); | ||
147 | # $reg2="$regs{$reg2}" if defined($regs{$reg2}); | ||
148 | # $ret.=$addr if ($addr ne "") && ($addr ne 0); | ||
149 | # if ($reg2 ne "") | ||
150 | # { $ret.="($reg1,$reg2,$idx)"; } | ||
151 | # else | ||
152 | # { $ret.="($reg1)" } | ||
153 | # return($ret); | ||
154 | # } | ||
155 | |||
156 | sub main'mov { &out2("movl",@_); } | ||
157 | sub main'movb { &out2("movb",@_); } | ||
158 | sub main'and { &out2("andl",@_); } | ||
159 | sub main'or { &out2("orl",@_); } | ||
160 | sub main'shl { &out2("sall",@_); } | ||
161 | sub main'shr { &out2("shrl",@_); } | ||
162 | sub main'xor { &out2("xorl",@_); } | ||
163 | sub main'xorb { &out2("xorb",@_); } | ||
164 | sub main'add { &out2($_[0]=~/%[a-d][lh]/?"addb":"addl",@_); } | ||
165 | sub main'adc { &out2("adcl",@_); } | ||
166 | sub main'sub { &out2("subl",@_); } | ||
167 | sub main'sbb { &out2("sbbl",@_); } | ||
168 | sub main'rotl { &out2("roll",@_); } | ||
169 | sub main'rotr { &out2("rorl",@_); } | ||
170 | sub main'exch { &out2($_[0]=~/%[a-d][lh]/?"xchgb":"xchgl",@_); } | ||
171 | sub main'cmp { &out2("cmpl",@_); } | ||
172 | sub main'lea { &out2("leal",@_); } | ||
173 | sub main'mul { &out1("mull",@_); } | ||
174 | sub main'imul { &out2("imull",@_); } | ||
175 | sub main'div { &out1("divl",@_); } | ||
176 | sub main'jmp { &out1("jmp",@_); } | ||
177 | sub main'jmp_ptr { &out1p("jmp",@_); } | ||
178 | sub main'je { &out1("je",@_); } | ||
179 | sub main'jle { &out1("jle",@_); } | ||
180 | sub main'jne { &out1("jne",@_); } | ||
181 | sub main'jnz { &out1("jnz",@_); } | ||
182 | sub main'jz { &out1("jz",@_); } | ||
183 | sub main'jge { &out1("jge",@_); } | ||
184 | sub main'jl { &out1("jl",@_); } | ||
185 | sub main'ja { &out1("ja",@_); } | ||
186 | sub main'jae { &out1("jae",@_); } | ||
187 | sub main'jb { &out1("jb",@_); } | ||
188 | sub main'jbe { &out1("jbe",@_); } | ||
189 | sub main'jc { &out1("jc",@_); } | ||
190 | sub main'jnc { &out1("jnc",@_); } | ||
191 | sub main'jno { &out1("jno",@_); } | ||
192 | sub main'dec { &out1("decl",@_); } | ||
193 | sub main'inc { &out1($_[0]=~/%[a-d][hl]/?"incb":"incl",@_); } | ||
194 | sub main'push { &out1("pushl",@_); $stack+=4; } | ||
195 | sub main'pop { &out1("popl",@_); $stack-=4; } | ||
196 | sub main'pushf { &out0("pushfl"); $stack+=4; } | ||
197 | sub main'popf { &out0("popfl"); $stack-=4; } | ||
198 | sub main'not { &out1("notl",@_); } | ||
199 | sub main'call { my $pre=$under; | ||
200 | foreach $i (%label) | ||
201 | { if ($label{$i} eq $_[0]) { $pre=''; last; } } | ||
202 | &out1("call",$pre.$_[0]); | ||
203 | } | ||
204 | sub main'call_ptr { &out1p("call",@_); } | ||
205 | sub main'ret { &out0("ret"); } | ||
206 | sub main'nop { &out0("nop"); } | ||
207 | sub main'test { &out2("testl",@_); } | ||
208 | sub main'bt { &out2("btl",@_); } | ||
209 | sub main'leave { &out0("leave"); } | ||
210 | sub main'cpuid { &out0(".byte\t0x0f,0xa2"); } | ||
211 | sub main'rdtsc { &out0(".byte\t0x0f,0x31"); } | ||
212 | sub main'halt { &out0("hlt"); } | ||
213 | sub main'movz { &out2("movzbl",@_); } | ||
214 | sub main'neg { &out1("negl",@_); } | ||
215 | sub main'cld { &out0("cld"); } | ||
216 | |||
217 | # SSE2 | ||
218 | sub main'emms { &out0("emms"); } | ||
219 | sub main'movd { &out2("movd",@_); } | ||
220 | sub main'movdqu { &out2("movdqu",@_); } | ||
221 | sub main'movdqa { &out2("movdqa",@_); } | ||
222 | sub main'movdq2q{ &out2("movdq2q",@_); } | ||
223 | sub main'movq2dq{ &out2("movq2dq",@_); } | ||
224 | sub main'paddq { &out2("paddq",@_); } | ||
225 | sub main'pmuludq{ &out2("pmuludq",@_); } | ||
226 | sub main'psrlq { &out2("psrlq",@_); } | ||
227 | sub main'psllq { &out2("psllq",@_); } | ||
228 | sub main'pxor { &out2("pxor",@_); } | ||
229 | sub main'por { &out2("por",@_); } | ||
230 | sub main'pand { &out2("pand",@_); } | ||
231 | sub main'movq { | ||
232 | local($p1,$p2,$optimize)=@_; | ||
233 | if ($optimize && $p1=~/^mm[0-7]$/ && $p2=~/^mm[0-7]$/) | ||
234 | # movq between mmx registers can sink Intel CPUs | ||
235 | { push(@out,"\tpshufw\t\$0xe4,%$p2,%$p1\n"); } | ||
236 | else { &out2("movq",@_); } | ||
237 | } | ||
238 | |||
239 | # The bswapl instruction is new for the 486. Emulate if i386. | ||
240 | sub main'bswap | ||
241 | { | ||
242 | if ($main'i386) | ||
243 | { | ||
244 | &main'comment("bswapl @_"); | ||
245 | &main'exch(main'HB(@_),main'LB(@_)); | ||
246 | &main'rotr(@_,16); | ||
247 | &main'exch(main'HB(@_),main'LB(@_)); | ||
248 | } | ||
249 | else | ||
250 | { | ||
251 | &out1("bswapl",@_); | ||
252 | } | ||
253 | } | ||
254 | |||
255 | sub out2 | ||
256 | { | ||
257 | local($name,$p1,$p2)=@_; | ||
258 | local($l,$ll,$t); | ||
259 | local(%special)=( "roll",0xD1C0,"rorl",0xD1C8, | ||
260 | "rcll",0xD1D0,"rcrl",0xD1D8, | ||
261 | "shll",0xD1E0,"shrl",0xD1E8, | ||
262 | "sarl",0xD1F8); | ||
263 | |||
264 | if ((defined($special{$name})) && defined($regs{$p1}) && ($p2 == 1)) | ||
265 | { | ||
266 | $op=$special{$name}|$reg_val{$p1}; | ||
267 | $tmp1=sprintf(".byte %d\n",($op>>8)&0xff); | ||
268 | $tmp2=sprintf(".byte %d\t",$op &0xff); | ||
269 | push(@out,$tmp1); | ||
270 | push(@out,$tmp2); | ||
271 | |||
272 | $p2=&conv($p2); | ||
273 | $p1=&conv($p1); | ||
274 | &main'comment("$name $p2 $p1"); | ||
275 | return; | ||
276 | } | ||
277 | |||
278 | push(@out,"\t$name\t"); | ||
279 | $t=&conv($p2).","; | ||
280 | $l=length($t); | ||
281 | push(@out,$t); | ||
282 | $ll=4-($l+9)/8; | ||
283 | $tmp1=sprintf("\t" x $ll); | ||
284 | push(@out,$tmp1); | ||
285 | push(@out,&conv($p1)."\n"); | ||
286 | } | ||
287 | |||
288 | sub out1 | ||
289 | { | ||
290 | local($name,$p1)=@_; | ||
291 | local($l,$t); | ||
292 | local(%special)=("bswapl",0x0FC8); | ||
293 | |||
294 | if ((defined($special{$name})) && defined($regs{$p1})) | ||
295 | { | ||
296 | $op=$special{$name}|$reg_val{$p1}; | ||
297 | $tmp1=sprintf(".byte %d\n",($op>>8)&0xff); | ||
298 | $tmp2=sprintf(".byte %d\t",$op &0xff); | ||
299 | push(@out,$tmp1); | ||
300 | push(@out,$tmp2); | ||
301 | |||
302 | $p2=&conv($p2); | ||
303 | $p1=&conv($p1); | ||
304 | &main'comment("$name $p2 $p1"); | ||
305 | return; | ||
306 | } | ||
307 | |||
308 | push(@out,"\t$name\t".&conv($p1)."\n"); | ||
309 | } | ||
310 | |||
311 | sub out1p | ||
312 | { | ||
313 | local($name,$p1)=@_; | ||
314 | local($l,$t); | ||
315 | |||
316 | push(@out,"\t$name\t*".&conv($p1)."\n"); | ||
317 | } | ||
318 | |||
319 | sub out0 | ||
320 | { | ||
321 | push(@out,"\t$_[0]\n"); | ||
322 | } | ||
323 | |||
324 | sub conv | ||
325 | { | ||
326 | local($p)=@_; | ||
327 | |||
328 | # $p =~ s/0x([0-9A-Fa-f]+)/0$1h/; | ||
329 | |||
330 | $p=$regs{$p} if (defined($regs{$p})); | ||
331 | |||
332 | $p =~ s/^(-{0,1}[0-9A-Fa-f]+)$/\$$1/; | ||
333 | $p =~ s/^(0x[0-9A-Fa-f]+)$/\$$1/; | ||
334 | return $p; | ||
335 | } | ||
336 | |||
337 | sub main'file | ||
338 | { | ||
339 | local($file)=@_; | ||
340 | |||
341 | local($tmp)=<<"EOF"; | ||
342 | .file "$file.s" | ||
343 | EOF | ||
344 | push(@out,$tmp); | ||
345 | } | ||
346 | |||
347 | sub main'function_begin | ||
348 | { | ||
349 | local($func)=@_; | ||
350 | |||
351 | &main'external_label($func); | ||
352 | $func=$under.$func; | ||
353 | |||
354 | local($tmp)=<<"EOF"; | ||
355 | .text | ||
356 | .globl $func | ||
357 | EOF | ||
358 | push(@out,$tmp); | ||
359 | if ($main'cpp) | ||
360 | { $tmp=push(@out,"TYPE($func,\@function)\n"); } | ||
361 | elsif ($main'coff) | ||
362 | { $tmp=push(@out,".def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); } | ||
363 | elsif ($main'aout and !$main'pic) | ||
364 | { } | ||
365 | else { $tmp=push(@out,".type\t$func,\@function\n"); } | ||
366 | push(@out,".align\t$align\n"); | ||
367 | push(@out,"$func:\n"); | ||
368 | $tmp=<<"EOF"; | ||
369 | pushl %ebp | ||
370 | pushl %ebx | ||
371 | pushl %esi | ||
372 | pushl %edi | ||
373 | |||
374 | EOF | ||
375 | push(@out,$tmp); | ||
376 | $stack=20; | ||
377 | } | ||
378 | |||
379 | sub main'function_begin_B | ||
380 | { | ||
381 | local($func,$extra)=@_; | ||
382 | |||
383 | &main'external_label($func); | ||
384 | $func=$under.$func; | ||
385 | |||
386 | local($tmp)=<<"EOF"; | ||
387 | .text | ||
388 | .globl $func | ||
389 | EOF | ||
390 | push(@out,$tmp); | ||
391 | if ($main'cpp) | ||
392 | { push(@out,"TYPE($func,\@function)\n"); } | ||
393 | elsif ($main'coff) | ||
394 | { $tmp=push(@out,".def\t$func;\t.scl\t2;\t.type\t32;\t.endef\n"); } | ||
395 | elsif ($main'aout and !$main'pic) | ||
396 | { } | ||
397 | else { push(@out,".type $func,\@function\n"); } | ||
398 | push(@out,".align\t$align\n"); | ||
399 | push(@out,"$func:\n"); | ||
400 | $stack=4; | ||
401 | } | ||
402 | |||
403 | sub main'function_end | ||
404 | { | ||
405 | local($func)=@_; | ||
406 | |||
407 | $func=$under.$func; | ||
408 | |||
409 | local($tmp)=<<"EOF"; | ||
410 | popl %edi | ||
411 | popl %esi | ||
412 | popl %ebx | ||
413 | popl %ebp | ||
414 | ret | ||
415 | ${dot}L_${func}_end: | ||
416 | EOF | ||
417 | push(@out,$tmp); | ||
418 | |||
419 | if ($main'cpp) | ||
420 | { push(@out,"SIZE($func,${dot}L_${func}_end-$func)\n"); } | ||
421 | elsif ($main'coff or $main'aout) | ||
422 | { } | ||
423 | else { push(@out,".size\t$func,${dot}L_${func}_end-$func\n"); } | ||
424 | push(@out,".ident \"$func\"\n"); | ||
425 | $stack=0; | ||
426 | %label=(); | ||
427 | } | ||
428 | |||
429 | sub main'function_end_A | ||
430 | { | ||
431 | local($func)=@_; | ||
432 | |||
433 | local($tmp)=<<"EOF"; | ||
434 | popl %edi | ||
435 | popl %esi | ||
436 | popl %ebx | ||
437 | popl %ebp | ||
438 | ret | ||
439 | EOF | ||
440 | push(@out,$tmp); | ||
441 | } | ||
442 | |||
443 | sub main'function_end_B | ||
444 | { | ||
445 | local($func)=@_; | ||
446 | |||
447 | $func=$under.$func; | ||
448 | |||
449 | push(@out,"${dot}L_${func}_end:\n"); | ||
450 | if ($main'cpp) | ||
451 | { push(@out,"SIZE($func,${dot}L_${func}_end-$func)\n"); } | ||
452 | elsif ($main'coff or $main'aout) | ||
453 | { } | ||
454 | else { push(@out,".size\t$func,${dot}L_${func}_end-$func\n"); } | ||
455 | push(@out,".ident \"$func\"\n"); | ||
456 | $stack=0; | ||
457 | %label=(); | ||
458 | } | ||
459 | |||
460 | sub main'wparam | ||
461 | { | ||
462 | local($num)=@_; | ||
463 | |||
464 | return(&main'DWP($stack+$num*4,"esp","",0)); | ||
465 | } | ||
466 | |||
467 | sub main'stack_push | ||
468 | { | ||
469 | local($num)=@_; | ||
470 | $stack+=$num*4; | ||
471 | &main'sub("esp",$num*4); | ||
472 | } | ||
473 | |||
474 | sub main'stack_pop | ||
475 | { | ||
476 | local($num)=@_; | ||
477 | $stack-=$num*4; | ||
478 | &main'add("esp",$num*4); | ||
479 | } | ||
480 | |||
481 | sub main'swtmp | ||
482 | { | ||
483 | return(&main'DWP($_[0]*4,"esp","",0)); | ||
484 | } | ||
485 | |||
486 | # Should use swtmp, which is above esp. Linix can trash the stack above esp | ||
487 | #sub main'wtmp | ||
488 | # { | ||
489 | # local($num)=@_; | ||
490 | # | ||
491 | # return(&main'DWP(-($num+1)*4,"esp","",0)); | ||
492 | # } | ||
493 | |||
494 | sub main'comment | ||
495 | { | ||
496 | if (!defined($com_start) or $main'elf) | ||
497 | { # Regarding $main'elf above... | ||
498 | # GNU and SVR4 as'es use different comment delimiters, | ||
499 | push(@out,"\n"); # so we just skip ELF comments... | ||
500 | return; | ||
501 | } | ||
502 | foreach (@_) | ||
503 | { | ||
504 | if (/^\s*$/) | ||
505 | { push(@out,"\n"); } | ||
506 | else | ||
507 | { push(@out,"\t$com_start $_ $com_end\n"); } | ||
508 | } | ||
509 | } | ||
510 | |||
511 | sub main'public_label | ||
512 | { | ||
513 | $label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]})); | ||
514 | push(@out,".globl\t$label{$_[0]}\n"); | ||
515 | } | ||
516 | |||
517 | sub main'label | ||
518 | { | ||
519 | if (!defined($label{$_[0]})) | ||
520 | { | ||
521 | $label{$_[0]}="${dot}${label}${_[0]}"; | ||
522 | $label++; | ||
523 | } | ||
524 | return($label{$_[0]}); | ||
525 | } | ||
526 | |||
527 | sub main'set_label | ||
528 | { | ||
529 | if (!defined($label{$_[0]})) | ||
530 | { | ||
531 | $label{$_[0]}="${dot}${label}${_[0]}"; | ||
532 | $label++; | ||
533 | } | ||
534 | if ($_[1]!=0) | ||
535 | { | ||
536 | if ($_[1]>1) { main'align($_[1]); } | ||
537 | else { push(@out,".align $align\n"); } | ||
538 | } | ||
539 | push(@out,"$label{$_[0]}:\n"); | ||
540 | } | ||
541 | |||
542 | sub main'file_end | ||
543 | { | ||
544 | # try to detect if SSE2 or MMX extensions were used on ELF platform... | ||
545 | if ($main'elf && grep {/\b%[x]*mm[0-7]\b|OPENSSL_ia32cap_P\b/i} @out) { | ||
546 | local($tmp); | ||
547 | |||
548 | push (@out,"\n.section\t.bss\n"); | ||
549 | push (@out,".comm\t${under}OPENSSL_ia32cap_P,4,4\n"); | ||
550 | |||
551 | return; | ||
552 | } | ||
553 | |||
554 | if ($const ne "") | ||
555 | { | ||
556 | push(@out,".section .rodata\n"); | ||
557 | push(@out,$const); | ||
558 | $const=""; | ||
559 | } | ||
560 | } | ||
561 | |||
562 | sub main'data_byte | ||
563 | { | ||
564 | push(@out,"\t.byte\t".join(',',@_)."\n"); | ||
565 | } | ||
566 | |||
567 | sub main'data_word | ||
568 | { | ||
569 | push(@out,"\t.long\t".join(',',@_)."\n"); | ||
570 | } | ||
571 | |||
572 | sub main'align | ||
573 | { | ||
574 | my $val=$_[0],$p2,$i; | ||
575 | if ($main'aout) { | ||
576 | for ($p2=0;$val!=0;$val>>=1) { $p2++; } | ||
577 | $val=$p2-1; | ||
578 | $val.=",0x90"; | ||
579 | } | ||
580 | push(@out,".align\t$val\n"); | ||
581 | } | ||
582 | |||
583 | # debug output functions: puts, putx, printf | ||
584 | |||
585 | sub main'puts | ||
586 | { | ||
587 | &pushvars(); | ||
588 | &main'push('$Lstring' . ++$constl); | ||
589 | &main'call('puts'); | ||
590 | $stack-=4; | ||
591 | &main'add("esp",4); | ||
592 | &popvars(); | ||
593 | |||
594 | $const .= "Lstring$constl:\n\t.string \"@_[0]\"\n"; | ||
595 | } | ||
596 | |||
597 | sub main'putx | ||
598 | { | ||
599 | &pushvars(); | ||
600 | &main'push($_[0]); | ||
601 | &main'push('$Lstring' . ++$constl); | ||
602 | &main'call('printf'); | ||
603 | &main'add("esp",8); | ||
604 | $stack-=8; | ||
605 | &popvars(); | ||
606 | |||
607 | $const .= "Lstring$constl:\n\t.string \"\%X\"\n"; | ||
608 | } | ||
609 | |||
610 | sub main'printf | ||
611 | { | ||
612 | $ostack = $stack; | ||
613 | &pushvars(); | ||
614 | for ($i = @_ - 1; $i >= 0; $i--) | ||
615 | { | ||
616 | if ($i == 0) # change this to support %s format strings | ||
617 | { | ||
618 | &main'push('$Lstring' . ++$constl); | ||
619 | $const .= "Lstring$constl:\n\t.string \"@_[$i]\"\n"; | ||
620 | } | ||
621 | else | ||
622 | { | ||
623 | if ($_[$i] =~ /([0-9]*)\(%esp\)/) | ||
624 | { | ||
625 | &main'push(($1 + $stack - $ostack) . '(%esp)'); | ||
626 | } | ||
627 | else | ||
628 | { | ||
629 | &main'push($_[$i]); | ||
630 | } | ||
631 | } | ||
632 | } | ||
633 | &main'call('printf'); | ||
634 | $stack-=4*@_; | ||
635 | &main'add("esp",4*@_); | ||
636 | &popvars(); | ||
637 | } | ||
638 | |||
639 | sub pushvars | ||
640 | { | ||
641 | &main'pushf(); | ||
642 | &main'push("edx"); | ||
643 | &main'push("ecx"); | ||
644 | &main'push("eax"); | ||
645 | } | ||
646 | |||
647 | sub popvars | ||
648 | { | ||
649 | &main'pop("eax"); | ||
650 | &main'pop("ecx"); | ||
651 | &main'pop("edx"); | ||
652 | &main'popf(); | ||
653 | } | ||
654 | |||
655 | sub main'picmeup | ||
656 | { | ||
657 | local($dst,$sym)=@_; | ||
658 | if ($main'cpp) | ||
659 | { | ||
660 | local($tmp)=<<___; | ||
661 | #if (defined(ELF) || defined(SOL)) && defined(PIC) | ||
662 | call 1f | ||
663 | 1: popl $regs{$dst} | ||
664 | addl \$_GLOBAL_OFFSET_TABLE_+[.-1b],$regs{$dst} | ||
665 | movl $sym\@GOT($regs{$dst}),$regs{$dst} | ||
666 | #else | ||
667 | leal $sym,$regs{$dst} | ||
668 | #endif | ||
669 | ___ | ||
670 | push(@out,$tmp); | ||
671 | } | ||
672 | elsif ($main'pic && ($main'elf || $main'aout)) | ||
673 | { | ||
674 | &main'call(&main'label("PIC_me_up")); | ||
675 | &main'set_label("PIC_me_up"); | ||
676 | &main'blindpop($dst); | ||
677 | &main'add($dst,"\$${under}_GLOBAL_OFFSET_TABLE_+[.-". | ||
678 | &main'label("PIC_me_up") . "]"); | ||
679 | &main'mov($dst,&main'DWP($under.$sym."\@GOT",$dst)); | ||
680 | } | ||
681 | else | ||
682 | { | ||
683 | &main'lea($dst,&main'DWP($sym)); | ||
684 | } | ||
685 | } | ||
686 | |||
687 | sub main'blindpop { &out1("popl",@_); } | ||
688 | |||
689 | sub main'initseg | ||
690 | { | ||
691 | local($f)=@_; | ||
692 | local($tmp); | ||
693 | if ($main'elf) | ||
694 | { | ||
695 | $tmp=<<___; | ||
696 | .section .init | ||
697 | call $under$f | ||
698 | jmp .Linitalign | ||
699 | .align $align | ||
700 | .Linitalign: | ||
701 | ___ | ||
702 | } | ||
703 | elsif ($main'coff) | ||
704 | { | ||
705 | $tmp=<<___; # applies to both Cygwin and Mingw | ||
706 | .section .ctors | ||
707 | .long $under$f | ||
708 | ___ | ||
709 | } | ||
710 | elsif ($main'aout) | ||
711 | { | ||
712 | local($ctor)="${under}_GLOBAL_\$I\$$f"; | ||
713 | $tmp=".text\n"; | ||
714 | $tmp.=".type $ctor,\@function\n" if ($main'pic); | ||
715 | $tmp.=<<___; # OpenBSD way... | ||
716 | .globl $ctor | ||
717 | .align 2 | ||
718 | $ctor: | ||
719 | jmp $under$f | ||
720 | ___ | ||
721 | } | ||
722 | push(@out,$tmp) if ($tmp); | ||
723 | } | ||
724 | |||
725 | 1; | ||