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author | djm <> | 2010-10-01 22:59:01 +0000 |
---|---|---|
committer | djm <> | 2010-10-01 22:59:01 +0000 |
commit | fe047d8b632246cb2db3234a0a4f32e5c318857b (patch) | |
tree | 939b752540947d33507b3acc48d76a8bfb7c3dc3 /src/lib/libcrypto/perlasm/x86unix.pl | |
parent | 2ea67f4aa254b09ded62e6e14fc893bbe6381579 (diff) | |
download | openbsd-fe047d8b632246cb2db3234a0a4f32e5c318857b.tar.gz openbsd-fe047d8b632246cb2db3234a0a4f32e5c318857b.tar.bz2 openbsd-fe047d8b632246cb2db3234a0a4f32e5c318857b.zip |
resolve conflicts, fix local changes
Diffstat (limited to 'src/lib/libcrypto/perlasm/x86unix.pl')
-rw-r--r-- | src/lib/libcrypto/perlasm/x86unix.pl | 808 |
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 | |||
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'openbsd) | ||
20 | { | ||
21 | $com_start='/*'; | ||
22 | $com_end='*/'; | ||
23 | } | ||
24 | |||
25 | if ($main'cpp) | ||
26 | { | ||
27 | $align="ALIGN"; | ||
28 | $under=""; | ||
29 | $com_start='/*'; | ||
30 | $com_end='*/'; | ||
31 | } | ||
32 | |||
33 | %lb=( 'eax', '%al', | ||
34 | 'ebx', '%bl', | ||
35 | 'ecx', '%cl', | ||
36 | 'edx', '%dl', | ||
37 | 'ax', '%al', | ||
38 | 'bx', '%bl', | ||
39 | 'cx', '%cl', | ||
40 | 'dx', '%dl', | ||
41 | ); | ||
42 | |||
43 | %hb=( 'eax', '%ah', | ||
44 | 'ebx', '%bh', | ||
45 | 'ecx', '%ch', | ||
46 | 'edx', '%dh', | ||
47 | 'ax', '%ah', | ||
48 | 'bx', '%bh', | ||
49 | 'cx', '%ch', | ||
50 | 'dx', '%dh', | ||
51 | ); | ||
52 | |||
53 | %regs=( 'eax', '%eax', | ||
54 | 'ebx', '%ebx', | ||
55 | 'ecx', '%ecx', | ||
56 | 'edx', '%edx', | ||
57 | 'esi', '%esi', | ||
58 | 'edi', '%edi', | ||
59 | 'ebp', '%ebp', | ||
60 | 'esp', '%esp', | ||
61 | |||
62 | 'mm0', '%mm0', | ||
63 | 'mm1', '%mm1', | ||
64 | 'mm2', '%mm2', | ||
65 | 'mm3', '%mm3', | ||
66 | 'mm4', '%mm4', | ||
67 | 'mm5', '%mm5', | ||
68 | 'mm6', '%mm6', | ||
69 | 'mm7', '%mm7', | ||
70 | |||
71 | 'xmm0', '%xmm0', | ||
72 | 'xmm1', '%xmm1', | ||
73 | 'xmm2', '%xmm2', | ||
74 | 'xmm3', '%xmm3', | ||
75 | 'xmm4', '%xmm4', | ||
76 | 'xmm5', '%xmm5', | ||
77 | 'xmm6', '%xmm6', | ||
78 | 'xmm7', '%xmm7', | ||
79 | ); | ||
80 | |||
81 | %reg_val=( | ||
82 | 'eax', 0x00, | ||
83 | 'ebx', 0x03, | ||
84 | 'ecx', 0x01, | ||
85 | 'edx', 0x02, | ||
86 | 'esi', 0x06, | ||
87 | 'edi', 0x07, | ||
88 | 'ebp', 0x05, | ||
89 | 'esp', 0x04, | ||
90 | ); | ||
91 | |||
92 | sub main'LB | ||
93 | { | ||
94 | (defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n"; | ||
95 | return($lb{$_[0]}); | ||
96 | } | ||
97 | |||
98 | sub main'HB | ||
99 | { | ||
100 | (defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n"; | ||
101 | return($hb{$_[0]}); | ||
102 | } | ||
103 | |||
104 | sub main'DWP | ||
105 | { | ||
106 | local($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($ret); | ||
123 | } | ||
124 | |||
125 | sub main'QWP | ||
126 | { | ||
127 | return(&main'DWP(@_)); | ||
128 | } | ||
129 | |||
130 | sub main'BP | ||
131 | { | ||
132 | return(&main'DWP(@_)); | ||
133 | } | ||
134 | |||
135 | sub main'BC | ||
136 | { | ||
137 | return @_; | ||
138 | } | ||
139 | |||
140 | sub main'DWC | ||
141 | { | ||
142 | return @_; | ||
143 | } | ||
144 | |||
145 | #sub main'BP | ||
146 | # { | ||
147 | # local($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($ret); | ||
160 | # } | ||
161 | |||
162 | sub main'mov { &out2("movl",@_); } | ||
163 | sub main'movb { &out2("movb",@_); } | ||
164 | sub main'and { &out2("andl",@_); } | ||
165 | sub main'or { &out2("orl",@_); } | ||
166 | sub main'shl { &out2("sall",@_); } | ||
167 | sub main'shr { &out2("shrl",@_); } | ||
168 | sub main'xor { &out2("xorl",@_); } | ||
169 | sub main'xorb { &out2("xorb",@_); } | ||
170 | sub main'add { &out2($_[0]=~/%[a-d][lh]/?"addb":"addl",@_); } | ||
171 | sub main'adc { &out2("adcl",@_); } | ||
172 | sub main'sub { &out2("subl",@_); } | ||
173 | sub main'sbb { &out2("sbbl",@_); } | ||
174 | sub main'rotl { &out2("roll",@_); } | ||
175 | sub main'rotr { &out2("rorl",@_); } | ||
176 | sub main'exch { &out2($_[0]=~/%[a-d][lh]/?"xchgb":"xchgl",@_); } | ||
177 | sub main'cmp { &out2("cmpl",@_); } | ||
178 | sub main'lea { &out2("leal",@_); } | ||
179 | sub main'mul { &out1("mull",@_); } | ||
180 | sub main'imul { &out2("imull",@_); } | ||
181 | sub main'div { &out1("divl",@_); } | ||
182 | sub main'jmp { &out1("jmp",@_); } | ||
183 | sub main'jmp_ptr { &out1p("jmp",@_); } | ||
184 | sub main'je { &out1("je",@_); } | ||
185 | sub main'jle { &out1("jle",@_); } | ||
186 | sub main'jne { &out1("jne",@_); } | ||
187 | sub main'jnz { &out1("jnz",@_); } | ||
188 | sub main'jz { &out1("jz",@_); } | ||
189 | sub main'jge { &out1("jge",@_); } | ||
190 | sub main'jl { &out1("jl",@_); } | ||
191 | sub main'ja { &out1("ja",@_); } | ||
192 | sub main'jae { &out1("jae",@_); } | ||
193 | sub main'jb { &out1("jb",@_); } | ||
194 | sub main'jbe { &out1("jbe",@_); } | ||
195 | sub main'jc { &out1("jc",@_); } | ||
196 | sub main'jnc { &out1("jnc",@_); } | ||
197 | sub main'jno { &out1("jno",@_); } | ||
198 | sub main'dec { &out1("decl",@_); } | ||
199 | sub main'inc { &out1($_[0]=~/%[a-d][hl]/?"incb":"incl",@_); } | ||
200 | sub main'push { &out1("pushl",@_); $stack+=4; } | ||
201 | sub main'pop { &out1("popl",@_); $stack-=4; } | ||
202 | sub main'pushf { &out0("pushfl"); $stack+=4; } | ||
203 | sub main'popf { &out0("popfl"); $stack-=4; } | ||
204 | sub main'not { &out1("notl",@_); } | ||
205 | sub main'call { my $pre=$under; | ||
206 | foreach $i (%label) | ||
207 | { if ($label{$i} eq $_[0]) { $pre=''; last; } } | ||
208 | &out1("call",$pre.$_[0]); | ||
209 | } | ||
210 | sub main'call_ptr { &out1p("call",@_); } | ||
211 | sub main'ret { &out0("ret"); } | ||
212 | sub main'nop { &out0("nop"); } | ||
213 | sub main'test { &out2("testl",@_); } | ||
214 | sub main'bt { &out2("btl",@_); } | ||
215 | sub main'leave { &out0("leave"); } | ||
216 | sub main'cpuid { &out0(".byte\t0x0f,0xa2"); } | ||
217 | sub main'rdtsc { &out0(".byte\t0x0f,0x31"); } | ||
218 | sub main'halt { &out0("hlt"); } | ||
219 | sub main'movz { &out2("movzbl",@_); } | ||
220 | sub main'neg { &out1("negl",@_); } | ||
221 | sub main'cld { &out0("cld"); } | ||
222 | |||
223 | # SSE2 | ||
224 | sub main'emms { &out0("emms"); } | ||
225 | sub main'movd { &out2("movd",@_); } | ||
226 | sub main'movdqu { &out2("movdqu",@_); } | ||
227 | sub main'movdqa { &out2("movdqa",@_); } | ||
228 | sub main'movdq2q{ &out2("movdq2q",@_); } | ||
229 | sub main'movq2dq{ &out2("movq2dq",@_); } | ||
230 | sub main'paddq { &out2("paddq",@_); } | ||
231 | sub main'pmuludq{ &out2("pmuludq",@_); } | ||
232 | sub main'psrlq { &out2("psrlq",@_); } | ||
233 | sub main'psllq { &out2("psllq",@_); } | ||
234 | sub main'pxor { &out2("pxor",@_); } | ||
235 | sub main'por { &out2("por",@_); } | ||
236 | sub main'pand { &out2("pand",@_); } | ||
237 | sub main'movq { | ||
238 | local($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. | ||
246 | sub main'bswap | ||
247 | { | ||
248 | if ($main'i386) | ||
249 | { | ||
250 | &main'comment("bswapl @_"); | ||
251 | &main'exch(main'HB(@_),main'LB(@_)); | ||
252 | &main'rotr(@_,16); | ||
253 | &main'exch(main'HB(@_),main'LB(@_)); | ||
254 | } | ||
255 | else | ||
256 | { | ||
257 | &out1("bswapl",@_); | ||
258 | } | ||
259 | } | ||
260 | |||
261 | sub out2 | ||
262 | { | ||
263 | local($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($p1)."\n"); | ||
292 | } | ||
293 | |||
294 | sub out1 | ||
295 | { | ||
296 | local($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($p1)."\n"); | ||
315 | } | ||
316 | |||
317 | sub out1p | ||
318 | { | ||
319 | local($name,$p1)=@_; | ||
320 | local($l,$t); | ||
321 | |||
322 | push(@out,"\t$name\t*".&conv($p1)."\n"); | ||
323 | } | ||
324 | |||
325 | sub out0 | ||
326 | { | ||
327 | push(@out,"\t$_[0]\n"); | ||
328 | } | ||
329 | |||
330 | sub 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 $p; | ||
341 | } | ||
342 | |||
343 | sub main'file | ||
344 | { | ||
345 | local($file)=@_; | ||
346 | |||
347 | if ($main'openbsd) | ||
348 | { push(@out,"#include <machine/asm.h>\n"); } | ||
349 | |||
350 | local($tmp)=<<"EOF"; | ||
351 | .file "$file.s" | ||
352 | EOF | ||
353 | push(@out,$tmp); | ||
354 | } | ||
355 | |||
356 | sub 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 $func | ||
373 | EOF | ||
374 | push(@out,$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"); | ||
384 | skip: | ||
385 | $tmp=<<"EOF"; | ||
386 | pushl %ebp | ||
387 | pushl %ebx | ||
388 | pushl %esi | ||
389 | pushl %edi | ||
390 | |||
391 | EOF | ||
392 | push(@out,$tmp); | ||
393 | $stack=20; | ||
394 | } | ||
395 | |||
396 | sub main'function_begin_B | ||
397 | { | ||
398 | local($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 $func | ||
409 | EOF | ||
410 | push(@out,$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"); | ||
420 | skip: | ||
421 | $stack=4; | ||
422 | } | ||
423 | |||
424 | # Like function_begin_B but with static linkage | ||
425 | sub main'function_begin_C | ||
426 | { | ||
427 | local($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: | ||
439 | EOF | ||
440 | push(@out, $tmp); | ||
441 | goto skip; | ||
442 | } | ||
443 | |||
444 | local($tmp)=<<"EOF"; | ||
445 | .text | ||
446 | .globl $func | ||
447 | EOF | ||
448 | push(@out,$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"); | ||
458 | skip: | ||
459 | $stack=4; | ||
460 | } | ||
461 | |||
462 | sub main'function_end | ||
463 | { | ||
464 | local($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: | ||
475 | EOF | ||
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 | $stack=0; | ||
485 | %label=(); | ||
486 | } | ||
487 | |||
488 | sub main'function_end_A | ||
489 | { | ||
490 | local($func)=@_; | ||
491 | |||
492 | local($tmp)=<<"EOF"; | ||
493 | popl %edi | ||
494 | popl %esi | ||
495 | popl %ebx | ||
496 | popl %ebp | ||
497 | ret | ||
498 | EOF | ||
499 | push(@out,$tmp); | ||
500 | } | ||
501 | |||
502 | sub 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 | $stack=0; | ||
516 | %label=(); | ||
517 | } | ||
518 | |||
519 | sub main'function_end_C { function_end_B(@_); } | ||
520 | |||
521 | sub main'wparam | ||
522 | { | ||
523 | local($num)=@_; | ||
524 | |||
525 | return(&main'DWP($stack+$num*4,"esp","",0)); | ||
526 | } | ||
527 | |||
528 | sub main'stack_push | ||
529 | { | ||
530 | local($num)=@_; | ||
531 | $stack+=$num*4; | ||
532 | &main'sub("esp",$num*4); | ||
533 | } | ||
534 | |||
535 | sub main'stack_pop | ||
536 | { | ||
537 | local($num)=@_; | ||
538 | $stack-=$num*4; | ||
539 | &main'add("esp",$num*4); | ||
540 | } | ||
541 | |||
542 | sub main'swtmp | ||
543 | { | ||
544 | return(&main'DWP($_[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 | |||
555 | sub 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 | |||
572 | sub main'public_label | ||
573 | { | ||
574 | $label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]})); | ||
575 | push(@out,".globl\t$label{$_[0]}\n"); | ||
576 | } | ||
577 | |||
578 | sub main'label | ||
579 | { | ||
580 | if (!defined($label{$_[0]})) | ||
581 | { | ||
582 | $label{$_[0]}="${dot}${label}${_[0]}"; | ||
583 | $label++; | ||
584 | } | ||
585 | return($label{$_[0]}); | ||
586 | } | ||
587 | |||
588 | sub main'set_label | ||
589 | { | ||
590 | if (!defined($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{$_[0]}:\n"); | ||
607 | } | ||
608 | |||
609 | sub main'file_end | ||
610 | { | ||
611 | # try to detect if SSE2 or MMX extensions were used on ELF platform... | ||
612 | if ($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 | |||
629 | sub main'data_byte | ||
630 | { | ||
631 | push(@out,"\t.byte\t".join(',',@_)."\n"); | ||
632 | } | ||
633 | |||
634 | sub main'data_word | ||
635 | { | ||
636 | push(@out,"\t.long\t".join(',',@_)."\n"); | ||
637 | } | ||
638 | |||
639 | sub 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 $tval\n"); } | ||
652 | } | ||
653 | |||
654 | # debug output functions: puts, putx, printf | ||
655 | |||
656 | sub main'puts | ||
657 | { | ||
658 | &pushvars(); | ||
659 | &main'push('$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 | |||
668 | sub 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 | |||
681 | sub 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 | $stack-=4*@_; | ||
706 | &main'add("esp",4*@_); | ||
707 | &popvars(); | ||
708 | } | ||
709 | |||
710 | sub pushvars | ||
711 | { | ||
712 | &main'pushf(); | ||
713 | &main'push("edx"); | ||
714 | &main'push("ecx"); | ||
715 | &main'push("eax"); | ||
716 | } | ||
717 | |||
718 | sub popvars | ||
719 | { | ||
720 | &main'pop("eax"); | ||
721 | &main'pop("ecx"); | ||
722 | &main'pop("edx"); | ||
723 | &main'popf(); | ||
724 | } | ||
725 | |||
726 | sub main'picmeup | ||
727 | { | ||
728 | local($dst,$sym)=@_; | ||
729 | if ($main'cpp) | ||
730 | { | ||
731 | local($tmp)=<<___; | ||
732 | #if (defined(ELF) || defined(SOL)) && defined(PIC) | ||
733 | call 1f | ||
734 | 1: 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 | |||
768 | sub main'blindpop { &out1("popl",@_); } | ||
769 | |||
770 | sub 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 | |||
808 | 1; | ||