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| 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; | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 9254031:
Upgrade chrome's OpenSSL to same version Android ships with. (Closed)
Base URL: http://src.chromium.org/svn/trunk/deps/third_party/openssl/