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| 1 #!/usr/bin/perl -w | |
| 2 # | |
| 3 # MD5 optimized for AMD64. | |
| 4 # | |
| 5 # Author: Marc Bevand <bevand_m (at) epita.fr> | |
| 6 # Licence: I hereby disclaim the copyright on this code and place it | |
| 7 # in the public domain. | |
| 8 # | |
| 9 | |
| 10 use strict; | |
| 11 | |
| 12 my $code; | |
| 13 | |
| 14 # round1_step() does: | |
| 15 # dst = x + ((dst + F(x,y,z) + X[k] + T_i) <<< s) | |
| 16 # %r10d = X[k_next] | |
| 17 # %r11d = z' (copy of z for the next step) | |
| 18 # Each round1_step() takes about 5.3 clocks (9 instructions, 1.7 IPC) | |
| 19 sub round1_step | |
| 20 { | |
| 21 my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; | |
| 22 $code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n
" if ($pos == -1); | |
| 23 $code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx
*/\n" if ($pos == -1); | |
| 24 $code .= <<EOF; | |
| 25 xor $y, %r11d /* y ^ ... */ | |
| 26 lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ | |
| 27 and $x, %r11d /* x & ... */ | |
| 28 xor $z, %r11d /* z ^ ... */ | |
| 29 mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ | |
| 30 add %r11d, $dst /* dst += ... */ | |
| 31 rol \$$s, $dst /* dst <<< s */ | |
| 32 mov $y, %r11d /* (NEXT STEP) z' = $y */ | |
| 33 add $x, $dst /* dst += x */ | |
| 34 EOF | |
| 35 } | |
| 36 | |
| 37 # round2_step() does: | |
| 38 # dst = x + ((dst + G(x,y,z) + X[k] + T_i) <<< s) | |
| 39 # %r10d = X[k_next] | |
| 40 # %r11d = z' (copy of z for the next step) | |
| 41 # %r12d = z' (copy of z for the next step) | |
| 42 # Each round2_step() takes about 5.4 clocks (11 instructions, 2.0 IPC) | |
| 43 sub round2_step | |
| 44 { | |
| 45 my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; | |
| 46 $code .= " mov 1*4(%rsi), %r10d /* (NEXT STEP) X[1] */\n
" if ($pos == -1); | |
| 47 $code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx
*/\n" if ($pos == -1); | |
| 48 $code .= " mov %edx, %r12d /* (NEXT STEP) z' = %edx
*/\n" if ($pos == -1); | |
| 49 $code .= <<EOF; | |
| 50 not %r11d /* not z */ | |
| 51 lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ | |
| 52 and $x, %r12d /* x & z */ | |
| 53 and $y, %r11d /* y & (not z) */ | |
| 54 mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ | |
| 55 or %r11d, %r12d /* (y & (not z)) | (x & z) */ | |
| 56 mov $y, %r11d /* (NEXT STEP) z' = $y */ | |
| 57 add %r12d, $dst /* dst += ... */ | |
| 58 mov $y, %r12d /* (NEXT STEP) z' = $y */ | |
| 59 rol \$$s, $dst /* dst <<< s */ | |
| 60 add $x, $dst /* dst += x */ | |
| 61 EOF | |
| 62 } | |
| 63 | |
| 64 # round3_step() does: | |
| 65 # dst = x + ((dst + H(x,y,z) + X[k] + T_i) <<< s) | |
| 66 # %r10d = X[k_next] | |
| 67 # %r11d = y' (copy of y for the next step) | |
| 68 # Each round3_step() takes about 4.2 clocks (8 instructions, 1.9 IPC) | |
| 69 sub round3_step | |
| 70 { | |
| 71 my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; | |
| 72 $code .= " mov 5*4(%rsi), %r10d /* (NEXT STEP) X[5] */\n
" if ($pos == -1); | |
| 73 $code .= " mov %ecx, %r11d /* (NEXT STEP) y' = %ecx
*/\n" if ($pos == -1); | |
| 74 $code .= <<EOF; | |
| 75 lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ | |
| 76 mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ | |
| 77 xor $z, %r11d /* z ^ ... */ | |
| 78 xor $x, %r11d /* x ^ ... */ | |
| 79 add %r11d, $dst /* dst += ... */ | |
| 80 rol \$$s, $dst /* dst <<< s */ | |
| 81 mov $x, %r11d /* (NEXT STEP) y' = $x */ | |
| 82 add $x, $dst /* dst += x */ | |
| 83 EOF | |
| 84 } | |
| 85 | |
| 86 # round4_step() does: | |
| 87 # dst = x + ((dst + I(x,y,z) + X[k] + T_i) <<< s) | |
| 88 # %r10d = X[k_next] | |
| 89 # %r11d = not z' (copy of not z for the next step) | |
| 90 # Each round4_step() takes about 5.2 clocks (9 instructions, 1.7 IPC) | |
| 91 sub round4_step | |
| 92 { | |
| 93 my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; | |
| 94 $code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n
" if ($pos == -1); | |
| 95 $code .= " mov \$0xffffffff, %r11d\n" if ($pos == -1); | |
| 96 $code .= " xor %edx, %r11d /* (NEXT STEP) not z' =
not %edx*/\n" | |
| 97 if ($pos == -1); | |
| 98 $code .= <<EOF; | |
| 99 lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ | |
| 100 or $x, %r11d /* x | ... */ | |
| 101 xor $y, %r11d /* y ^ ... */ | |
| 102 add %r11d, $dst /* dst += ... */ | |
| 103 mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ | |
| 104 mov \$0xffffffff, %r11d | |
| 105 rol \$$s, $dst /* dst <<< s */ | |
| 106 xor $y, %r11d /* (NEXT STEP) not z' = not $y *
/ | |
| 107 add $x, $dst /* dst += x */ | |
| 108 EOF | |
| 109 } | |
| 110 | |
| 111 my $flavour = shift; | |
| 112 my $output = shift; | |
| 113 if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } | |
| 114 | |
| 115 my $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); | |
| 116 | |
| 117 $0 =~ m/(.*[\/\\])[^\/\\]+$/; my $dir=$1; my $xlate; | |
| 118 ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or | |
| 119 ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or | |
| 120 die "can't locate x86_64-xlate.pl"; | |
| 121 | |
| 122 no warnings qw(uninitialized); | |
| 123 open OUT,"| \"$^X\" $xlate $flavour $output"; | |
| 124 *STDOUT=*OUT; | |
| 125 | |
| 126 $code .= <<EOF; | |
| 127 .text | |
| 128 .align 16 | |
| 129 | |
| 130 .globl md5_block_asm_data_order | |
| 131 .type md5_block_asm_data_order,\@function,3 | |
| 132 md5_block_asm_data_order: | |
| 133 push %rbp | |
| 134 push %rbx | |
| 135 push %r12 | |
| 136 push %r14 | |
| 137 push %r15 | |
| 138 .Lprologue: | |
| 139 | |
| 140 # rdi = arg #1 (ctx, MD5_CTX pointer) | |
| 141 # rsi = arg #2 (ptr, data pointer) | |
| 142 # rdx = arg #3 (nbr, number of 16-word blocks to process) | |
| 143 mov %rdi, %rbp # rbp = ctx | |
| 144 shl \$6, %rdx # rdx = nbr in bytes | |
| 145 lea (%rsi,%rdx), %rdi # rdi = end | |
| 146 mov 0*4(%rbp), %eax # eax = ctx->A | |
| 147 mov 1*4(%rbp), %ebx # ebx = ctx->B | |
| 148 mov 2*4(%rbp), %ecx # ecx = ctx->C | |
| 149 mov 3*4(%rbp), %edx # edx = ctx->D | |
| 150 # end is 'rdi' | |
| 151 # ptr is 'rsi' | |
| 152 # A is 'eax' | |
| 153 # B is 'ebx' | |
| 154 # C is 'ecx' | |
| 155 # D is 'edx' | |
| 156 | |
| 157 cmp %rdi, %rsi # cmp end with ptr | |
| 158 je .Lend # jmp if ptr == end | |
| 159 | |
| 160 # BEGIN of loop over 16-word blocks | |
| 161 .Lloop: # save old values of A, B, C, D | |
| 162 mov %eax, %r8d | |
| 163 mov %ebx, %r9d | |
| 164 mov %ecx, %r14d | |
| 165 mov %edx, %r15d | |
| 166 EOF | |
| 167 round1_step(-1,'%eax','%ebx','%ecx','%edx', '1','0xd76aa478', '7'); | |
| 168 round1_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xe8c7b756','12'); | |
| 169 round1_step( 0,'%ecx','%edx','%eax','%ebx', '3','0x242070db','17'); | |
| 170 round1_step( 0,'%ebx','%ecx','%edx','%eax', '4','0xc1bdceee','22'); | |
| 171 round1_step( 0,'%eax','%ebx','%ecx','%edx', '5','0xf57c0faf', '7'); | |
| 172 round1_step( 0,'%edx','%eax','%ebx','%ecx', '6','0x4787c62a','12'); | |
| 173 round1_step( 0,'%ecx','%edx','%eax','%ebx', '7','0xa8304613','17'); | |
| 174 round1_step( 0,'%ebx','%ecx','%edx','%eax', '8','0xfd469501','22'); | |
| 175 round1_step( 0,'%eax','%ebx','%ecx','%edx', '9','0x698098d8', '7'); | |
| 176 round1_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8b44f7af','12'); | |
| 177 round1_step( 0,'%ecx','%edx','%eax','%ebx','11','0xffff5bb1','17'); | |
| 178 round1_step( 0,'%ebx','%ecx','%edx','%eax','12','0x895cd7be','22'); | |
| 179 round1_step( 0,'%eax','%ebx','%ecx','%edx','13','0x6b901122', '7'); | |
| 180 round1_step( 0,'%edx','%eax','%ebx','%ecx','14','0xfd987193','12'); | |
| 181 round1_step( 0,'%ecx','%edx','%eax','%ebx','15','0xa679438e','17'); | |
| 182 round1_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x49b40821','22'); | |
| 183 | |
| 184 round2_step(-1,'%eax','%ebx','%ecx','%edx', '6','0xf61e2562', '5'); | |
| 185 round2_step( 0,'%edx','%eax','%ebx','%ecx','11','0xc040b340', '9'); | |
| 186 round2_step( 0,'%ecx','%edx','%eax','%ebx', '0','0x265e5a51','14'); | |
| 187 round2_step( 0,'%ebx','%ecx','%edx','%eax', '5','0xe9b6c7aa','20'); | |
| 188 round2_step( 0,'%eax','%ebx','%ecx','%edx','10','0xd62f105d', '5'); | |
| 189 round2_step( 0,'%edx','%eax','%ebx','%ecx','15', '0x2441453', '9'); | |
| 190 round2_step( 0,'%ecx','%edx','%eax','%ebx', '4','0xd8a1e681','14'); | |
| 191 round2_step( 0,'%ebx','%ecx','%edx','%eax', '9','0xe7d3fbc8','20'); | |
| 192 round2_step( 0,'%eax','%ebx','%ecx','%edx','14','0x21e1cde6', '5'); | |
| 193 round2_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xc33707d6', '9'); | |
| 194 round2_step( 0,'%ecx','%edx','%eax','%ebx', '8','0xf4d50d87','14'); | |
| 195 round2_step( 0,'%ebx','%ecx','%edx','%eax','13','0x455a14ed','20'); | |
| 196 round2_step( 0,'%eax','%ebx','%ecx','%edx', '2','0xa9e3e905', '5'); | |
| 197 round2_step( 0,'%edx','%eax','%ebx','%ecx', '7','0xfcefa3f8', '9'); | |
| 198 round2_step( 0,'%ecx','%edx','%eax','%ebx','12','0x676f02d9','14'); | |
| 199 round2_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x8d2a4c8a','20'); | |
| 200 | |
| 201 round3_step(-1,'%eax','%ebx','%ecx','%edx', '8','0xfffa3942', '4'); | |
| 202 round3_step( 0,'%edx','%eax','%ebx','%ecx','11','0x8771f681','11'); | |
| 203 round3_step( 0,'%ecx','%edx','%eax','%ebx','14','0x6d9d6122','16'); | |
| 204 round3_step( 0,'%ebx','%ecx','%edx','%eax', '1','0xfde5380c','23'); | |
| 205 round3_step( 0,'%eax','%ebx','%ecx','%edx', '4','0xa4beea44', '4'); | |
| 206 round3_step( 0,'%edx','%eax','%ebx','%ecx', '7','0x4bdecfa9','11'); | |
| 207 round3_step( 0,'%ecx','%edx','%eax','%ebx','10','0xf6bb4b60','16'); | |
| 208 round3_step( 0,'%ebx','%ecx','%edx','%eax','13','0xbebfbc70','23'); | |
| 209 round3_step( 0,'%eax','%ebx','%ecx','%edx', '0','0x289b7ec6', '4'); | |
| 210 round3_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xeaa127fa','11'); | |
| 211 round3_step( 0,'%ecx','%edx','%eax','%ebx', '6','0xd4ef3085','16'); | |
| 212 round3_step( 0,'%ebx','%ecx','%edx','%eax', '9', '0x4881d05','23'); | |
| 213 round3_step( 0,'%eax','%ebx','%ecx','%edx','12','0xd9d4d039', '4'); | |
| 214 round3_step( 0,'%edx','%eax','%ebx','%ecx','15','0xe6db99e5','11'); | |
| 215 round3_step( 0,'%ecx','%edx','%eax','%ebx', '2','0x1fa27cf8','16'); | |
| 216 round3_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xc4ac5665','23'); | |
| 217 | |
| 218 round4_step(-1,'%eax','%ebx','%ecx','%edx', '7','0xf4292244', '6'); | |
| 219 round4_step( 0,'%edx','%eax','%ebx','%ecx','14','0x432aff97','10'); | |
| 220 round4_step( 0,'%ecx','%edx','%eax','%ebx', '5','0xab9423a7','15'); | |
| 221 round4_step( 0,'%ebx','%ecx','%edx','%eax','12','0xfc93a039','21'); | |
| 222 round4_step( 0,'%eax','%ebx','%ecx','%edx', '3','0x655b59c3', '6'); | |
| 223 round4_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8f0ccc92','10'); | |
| 224 round4_step( 0,'%ecx','%edx','%eax','%ebx', '1','0xffeff47d','15'); | |
| 225 round4_step( 0,'%ebx','%ecx','%edx','%eax', '8','0x85845dd1','21'); | |
| 226 round4_step( 0,'%eax','%ebx','%ecx','%edx','15','0x6fa87e4f', '6'); | |
| 227 round4_step( 0,'%edx','%eax','%ebx','%ecx', '6','0xfe2ce6e0','10'); | |
| 228 round4_step( 0,'%ecx','%edx','%eax','%ebx','13','0xa3014314','15'); | |
| 229 round4_step( 0,'%ebx','%ecx','%edx','%eax', '4','0x4e0811a1','21'); | |
| 230 round4_step( 0,'%eax','%ebx','%ecx','%edx','11','0xf7537e82', '6'); | |
| 231 round4_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xbd3af235','10'); | |
| 232 round4_step( 0,'%ecx','%edx','%eax','%ebx', '9','0x2ad7d2bb','15'); | |
| 233 round4_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xeb86d391','21'); | |
| 234 $code .= <<EOF; | |
| 235 # add old values of A, B, C, D | |
| 236 add %r8d, %eax | |
| 237 add %r9d, %ebx | |
| 238 add %r14d, %ecx | |
| 239 add %r15d, %edx | |
| 240 | |
| 241 # loop control | |
| 242 add \$64, %rsi # ptr += 64 | |
| 243 cmp %rdi, %rsi # cmp end with ptr | |
| 244 jb .Lloop # jmp if ptr < end | |
| 245 # END of loop over 16-word blocks | |
| 246 | |
| 247 .Lend: | |
| 248 mov %eax, 0*4(%rbp) # ctx->A = A | |
| 249 mov %ebx, 1*4(%rbp) # ctx->B = B | |
| 250 mov %ecx, 2*4(%rbp) # ctx->C = C | |
| 251 mov %edx, 3*4(%rbp) # ctx->D = D | |
| 252 | |
| 253 mov (%rsp),%r15 | |
| 254 mov 8(%rsp),%r14 | |
| 255 mov 16(%rsp),%r12 | |
| 256 mov 24(%rsp),%rbx | |
| 257 mov 32(%rsp),%rbp | |
| 258 add \$40,%rsp | |
| 259 .Lepilogue: | |
| 260 ret | |
| 261 .size md5_block_asm_data_order,.-md5_block_asm_data_order | |
| 262 EOF | |
| 263 | |
| 264 # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, | |
| 265 # CONTEXT *context,DISPATCHER_CONTEXT *disp) | |
| 266 if ($win64) { | |
| 267 my $rec="%rcx"; | |
| 268 my $frame="%rdx"; | |
| 269 my $context="%r8"; | |
| 270 my $disp="%r9"; | |
| 271 | |
| 272 $code.=<<___; | |
| 273 .extern __imp_RtlVirtualUnwind | |
| 274 .type se_handler,\@abi-omnipotent | |
| 275 .align 16 | |
| 276 se_handler: | |
| 277 push %rsi | |
| 278 push %rdi | |
| 279 push %rbx | |
| 280 push %rbp | |
| 281 push %r12 | |
| 282 push %r13 | |
| 283 push %r14 | |
| 284 push %r15 | |
| 285 pushfq | |
| 286 sub \$64,%rsp | |
| 287 | |
| 288 mov 120($context),%rax # pull context->Rax | |
| 289 mov 248($context),%rbx # pull context->Rip | |
| 290 | |
| 291 lea .Lprologue(%rip),%r10 | |
| 292 cmp %r10,%rbx # context->Rip<.Lprologue | |
| 293 jb .Lin_prologue | |
| 294 | |
| 295 mov 152($context),%rax # pull context->Rsp | |
| 296 | |
| 297 lea .Lepilogue(%rip),%r10 | |
| 298 cmp %r10,%rbx # context->Rip>=.Lepilogue | |
| 299 jae .Lin_prologue | |
| 300 | |
| 301 lea 40(%rax),%rax | |
| 302 | |
| 303 mov -8(%rax),%rbp | |
| 304 mov -16(%rax),%rbx | |
| 305 mov -24(%rax),%r12 | |
| 306 mov -32(%rax),%r14 | |
| 307 mov -40(%rax),%r15 | |
| 308 mov %rbx,144($context) # restore context->Rbx | |
| 309 mov %rbp,160($context) # restore context->Rbp | |
| 310 mov %r12,216($context) # restore context->R12 | |
| 311 mov %r14,232($context) # restore context->R14 | |
| 312 mov %r15,240($context) # restore context->R15 | |
| 313 | |
| 314 .Lin_prologue: | |
| 315 mov 8(%rax),%rdi | |
| 316 mov 16(%rax),%rsi | |
| 317 mov %rax,152($context) # restore context->Rsp | |
| 318 mov %rsi,168($context) # restore context->Rsi | |
| 319 mov %rdi,176($context) # restore context->Rdi | |
| 320 | |
| 321 mov 40($disp),%rdi # disp->ContextRecord | |
| 322 mov $context,%rsi # context | |
| 323 mov \$154,%ecx # sizeof(CONTEXT) | |
| 324 .long 0xa548f3fc # cld; rep movsq | |
| 325 | |
| 326 mov $disp,%rsi | |
| 327 xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER | |
| 328 mov 8(%rsi),%rdx # arg2, disp->ImageBase | |
| 329 mov 0(%rsi),%r8 # arg3, disp->ControlPc | |
| 330 mov 16(%rsi),%r9 # arg4, disp->FunctionEntry | |
| 331 mov 40(%rsi),%r10 # disp->ContextRecord | |
| 332 lea 56(%rsi),%r11 # &disp->HandlerData | |
| 333 lea 24(%rsi),%r12 # &disp->EstablisherFrame | |
| 334 mov %r10,32(%rsp) # arg5 | |
| 335 mov %r11,40(%rsp) # arg6 | |
| 336 mov %r12,48(%rsp) # arg7 | |
| 337 mov %rcx,56(%rsp) # arg8, (NULL) | |
| 338 call *__imp_RtlVirtualUnwind(%rip) | |
| 339 | |
| 340 mov \$1,%eax # ExceptionContinueSearch | |
| 341 add \$64,%rsp | |
| 342 popfq | |
| 343 pop %r15 | |
| 344 pop %r14 | |
| 345 pop %r13 | |
| 346 pop %r12 | |
| 347 pop %rbp | |
| 348 pop %rbx | |
| 349 pop %rdi | |
| 350 pop %rsi | |
| 351 ret | |
| 352 .size se_handler,.-se_handler | |
| 353 | |
| 354 .section .pdata | |
| 355 .align 4 | |
| 356 .rva .LSEH_begin_md5_block_asm_data_order | |
| 357 .rva .LSEH_end_md5_block_asm_data_order | |
| 358 .rva .LSEH_info_md5_block_asm_data_order | |
| 359 | |
| 360 .section .xdata | |
| 361 .align 8 | |
| 362 .LSEH_info_md5_block_asm_data_order: | |
| 363 .byte 9,0,0,0 | |
| 364 .rva se_handler | |
| 365 ___ | |
| 366 } | |
| 367 | |
| 368 print $code; | |
| 369 | |
| 370 close STDOUT; | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master