| 1 | #! /usr/bin/env perl
|
|---|
| 2 | # Author: Marc Bevand <bevand_m (at) epita.fr>
|
|---|
| 3 | # Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|---|
| 4 | #
|
|---|
| 5 | # Licensed under the OpenSSL license (the "License"). You may not use
|
|---|
| 6 | # this file except in compliance with the License. You can obtain a copy
|
|---|
| 7 | # in the file LICENSE in the source distribution or at
|
|---|
| 8 | # https://www.openssl.org/source/license.html
|
|---|
| 9 |
|
|---|
| 10 | # MD5 optimized for AMD64.
|
|---|
| 11 |
|
|---|
| 12 | use strict;
|
|---|
| 13 |
|
|---|
| 14 | my $code;
|
|---|
| 15 |
|
|---|
| 16 | # round1_step() does:
|
|---|
| 17 | # dst = x + ((dst + F(x,y,z) + X[k] + T_i) <<< s)
|
|---|
| 18 | # %r10d = X[k_next]
|
|---|
| 19 | # %r11d = z' (copy of z for the next step)
|
|---|
| 20 | # Each round1_step() takes about 5.3 clocks (9 instructions, 1.7 IPC)
|
|---|
| 21 | sub round1_step
|
|---|
| 22 | {
|
|---|
| 23 | my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
|
|---|
| 24 | $code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n" if ($pos == -1);
|
|---|
| 25 | $code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
|
|---|
| 26 | $code .= <<EOF;
|
|---|
| 27 | xor $y, %r11d /* y ^ ... */
|
|---|
| 28 | lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
|
|---|
| 29 | and $x, %r11d /* x & ... */
|
|---|
| 30 | mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
|
|---|
| 31 | xor $z, %r11d /* z ^ ... */
|
|---|
| 32 | add %r11d, $dst /* dst += ... */
|
|---|
| 33 | rol \$$s, $dst /* dst <<< s */
|
|---|
| 34 | mov $y, %r11d /* (NEXT STEP) z' = $y */
|
|---|
| 35 | add $x, $dst /* dst += x */
|
|---|
| 36 | EOF
|
|---|
| 37 | }
|
|---|
| 38 |
|
|---|
| 39 | # round2_step() does:
|
|---|
| 40 | # dst = x + ((dst + G(x,y,z) + X[k] + T_i) <<< s)
|
|---|
| 41 | # %r10d = X[k_next]
|
|---|
| 42 | # %r11d = z' (copy of z for the next step)
|
|---|
| 43 | # %r12d = z' (copy of z for the next step)
|
|---|
| 44 | # Each round2_step() takes about 5.4 clocks (11 instructions, 2.0 IPC)
|
|---|
| 45 | sub round2_step
|
|---|
| 46 | {
|
|---|
| 47 | my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
|
|---|
| 48 | $code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
|
|---|
| 49 | $code .= " mov %edx, %r12d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
|
|---|
| 50 | $code .= <<EOF;
|
|---|
| 51 | not %r11d /* not z */
|
|---|
| 52 | and $x, %r12d /* x & z */
|
|---|
| 53 | lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
|
|---|
| 54 | and $y, %r11d /* y & (not z) */
|
|---|
| 55 | mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
|
|---|
| 56 | or %r11d, %r12d /* (y & (not z)) | (x & z) */
|
|---|
| 57 | mov $y, %r11d /* (NEXT STEP) z' = $y */
|
|---|
| 58 | add %r12d, $dst /* dst += ... */
|
|---|
| 59 | mov $y, %r12d /* (NEXT STEP) z' = $y */
|
|---|
| 60 | rol \$$s, $dst /* dst <<< s */
|
|---|
| 61 | add $x, $dst /* dst += x */
|
|---|
| 62 | EOF
|
|---|
| 63 | }
|
|---|
| 64 |
|
|---|
| 65 | # round3_step() does:
|
|---|
| 66 | # dst = x + ((dst + H(x,y,z) + X[k] + T_i) <<< s)
|
|---|
| 67 | # %r10d = X[k_next]
|
|---|
| 68 | # %r11d = y' (copy of y for the next step)
|
|---|
| 69 | # Each round3_step() takes about 4.2 clocks (8 instructions, 1.9 IPC)
|
|---|
| 70 | { my $round3_alter=0;
|
|---|
| 71 | sub round3_step
|
|---|
| 72 | {
|
|---|
| 73 | my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
|
|---|
| 74 | $code .= " mov %ecx, %r11d /* (NEXT STEP) y' = %ecx */\n" if ($pos == -1);
|
|---|
| 75 | $code .= <<EOF;
|
|---|
| 76 | lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
|
|---|
| 77 | xor $z, %r11d /* z ^ ... */
|
|---|
| 78 | mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
|
|---|
| 79 | xor $x, %r11d /* x ^ ... */
|
|---|
| 80 | add %r11d, $dst /* dst += ... */
|
|---|
| 81 | EOF
|
|---|
| 82 | $code .= <<EOF if ($round3_alter);
|
|---|
| 83 | rol \$$s, $dst /* dst <<< s */
|
|---|
| 84 | mov $x, %r11d /* (NEXT STEP) y' = $x */
|
|---|
| 85 | EOF
|
|---|
| 86 | $code .= <<EOF if (!$round3_alter);
|
|---|
| 87 | mov $x, %r11d /* (NEXT STEP) y' = $x */
|
|---|
| 88 | rol \$$s, $dst /* dst <<< s */
|
|---|
| 89 | EOF
|
|---|
| 90 | $code .= <<EOF;
|
|---|
| 91 | add $x, $dst /* dst += x */
|
|---|
| 92 | EOF
|
|---|
| 93 | $round3_alter^=1;
|
|---|
| 94 | }
|
|---|
| 95 | }
|
|---|
| 96 |
|
|---|
| 97 | # round4_step() does:
|
|---|
| 98 | # dst = x + ((dst + I(x,y,z) + X[k] + T_i) <<< s)
|
|---|
| 99 | # %r10d = X[k_next]
|
|---|
| 100 | # %r11d = not z' (copy of not z for the next step)
|
|---|
| 101 | # Each round4_step() takes about 5.2 clocks (9 instructions, 1.7 IPC)
|
|---|
| 102 | sub round4_step
|
|---|
| 103 | {
|
|---|
| 104 | my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
|
|---|
| 105 | $code .= " mov \$0xffffffff, %r11d\n" if ($pos == -1);
|
|---|
| 106 | $code .= " xor %edx, %r11d /* (NEXT STEP) not z' = not %edx*/\n"
|
|---|
| 107 | if ($pos == -1);
|
|---|
| 108 | $code .= <<EOF;
|
|---|
| 109 | lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
|
|---|
| 110 | or $x, %r11d /* x | ... */
|
|---|
| 111 | mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
|
|---|
| 112 | xor $y, %r11d /* y ^ ... */
|
|---|
| 113 | add %r11d, $dst /* dst += ... */
|
|---|
| 114 | mov \$0xffffffff, %r11d
|
|---|
| 115 | rol \$$s, $dst /* dst <<< s */
|
|---|
| 116 | xor $y, %r11d /* (NEXT STEP) not z' = not $y */
|
|---|
| 117 | add $x, $dst /* dst += x */
|
|---|
| 118 | EOF
|
|---|
| 119 | }
|
|---|
| 120 |
|
|---|
| 121 | no warnings qw(uninitialized);
|
|---|
| 122 | my $flavour = shift;
|
|---|
| 123 | my $output = shift;
|
|---|
| 124 | if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
|
|---|
| 125 |
|
|---|
| 126 | my $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
|
|---|
| 127 |
|
|---|
| 128 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; my $dir=$1; my $xlate;
|
|---|
| 129 | ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
|
|---|
| 130 | ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
|
|---|
| 131 | die "can't locate x86_64-xlate.pl";
|
|---|
| 132 |
|
|---|
| 133 | open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
|
|---|
| 134 | *STDOUT=*OUT;
|
|---|
| 135 |
|
|---|
| 136 | $code .= <<EOF;
|
|---|
| 137 | .text
|
|---|
| 138 | .align 16
|
|---|
| 139 |
|
|---|
| 140 | .globl md5_block_asm_data_order
|
|---|
| 141 | .type md5_block_asm_data_order,\@function,3
|
|---|
| 142 | md5_block_asm_data_order:
|
|---|
| 143 | push %rbp
|
|---|
| 144 | push %rbx
|
|---|
| 145 | push %r12
|
|---|
| 146 | push %r14
|
|---|
| 147 | push %r15
|
|---|
| 148 | .Lprologue:
|
|---|
| 149 |
|
|---|
| 150 | # rdi = arg #1 (ctx, MD5_CTX pointer)
|
|---|
| 151 | # rsi = arg #2 (ptr, data pointer)
|
|---|
| 152 | # rdx = arg #3 (nbr, number of 16-word blocks to process)
|
|---|
| 153 | mov %rdi, %rbp # rbp = ctx
|
|---|
| 154 | shl \$6, %rdx # rdx = nbr in bytes
|
|---|
| 155 | lea (%rsi,%rdx), %rdi # rdi = end
|
|---|
| 156 | mov 0*4(%rbp), %eax # eax = ctx->A
|
|---|
| 157 | mov 1*4(%rbp), %ebx # ebx = ctx->B
|
|---|
| 158 | mov 2*4(%rbp), %ecx # ecx = ctx->C
|
|---|
| 159 | mov 3*4(%rbp), %edx # edx = ctx->D
|
|---|
| 160 | # end is 'rdi'
|
|---|
| 161 | # ptr is 'rsi'
|
|---|
| 162 | # A is 'eax'
|
|---|
| 163 | # B is 'ebx'
|
|---|
| 164 | # C is 'ecx'
|
|---|
| 165 | # D is 'edx'
|
|---|
| 166 |
|
|---|
| 167 | cmp %rdi, %rsi # cmp end with ptr
|
|---|
| 168 | je .Lend # jmp if ptr == end
|
|---|
| 169 |
|
|---|
| 170 | # BEGIN of loop over 16-word blocks
|
|---|
| 171 | .Lloop: # save old values of A, B, C, D
|
|---|
| 172 | mov %eax, %r8d
|
|---|
| 173 | mov %ebx, %r9d
|
|---|
| 174 | mov %ecx, %r14d
|
|---|
| 175 | mov %edx, %r15d
|
|---|
| 176 | EOF
|
|---|
| 177 | round1_step(-1,'%eax','%ebx','%ecx','%edx', '1','0xd76aa478', '7');
|
|---|
| 178 | round1_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xe8c7b756','12');
|
|---|
| 179 | round1_step( 0,'%ecx','%edx','%eax','%ebx', '3','0x242070db','17');
|
|---|
| 180 | round1_step( 0,'%ebx','%ecx','%edx','%eax', '4','0xc1bdceee','22');
|
|---|
| 181 | round1_step( 0,'%eax','%ebx','%ecx','%edx', '5','0xf57c0faf', '7');
|
|---|
| 182 | round1_step( 0,'%edx','%eax','%ebx','%ecx', '6','0x4787c62a','12');
|
|---|
| 183 | round1_step( 0,'%ecx','%edx','%eax','%ebx', '7','0xa8304613','17');
|
|---|
| 184 | round1_step( 0,'%ebx','%ecx','%edx','%eax', '8','0xfd469501','22');
|
|---|
| 185 | round1_step( 0,'%eax','%ebx','%ecx','%edx', '9','0x698098d8', '7');
|
|---|
| 186 | round1_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8b44f7af','12');
|
|---|
| 187 | round1_step( 0,'%ecx','%edx','%eax','%ebx','11','0xffff5bb1','17');
|
|---|
| 188 | round1_step( 0,'%ebx','%ecx','%edx','%eax','12','0x895cd7be','22');
|
|---|
| 189 | round1_step( 0,'%eax','%ebx','%ecx','%edx','13','0x6b901122', '7');
|
|---|
| 190 | round1_step( 0,'%edx','%eax','%ebx','%ecx','14','0xfd987193','12');
|
|---|
| 191 | round1_step( 0,'%ecx','%edx','%eax','%ebx','15','0xa679438e','17');
|
|---|
| 192 | round1_step( 1,'%ebx','%ecx','%edx','%eax', '1','0x49b40821','22');
|
|---|
| 193 |
|
|---|
| 194 | round2_step(-1,'%eax','%ebx','%ecx','%edx', '6','0xf61e2562', '5');
|
|---|
| 195 | round2_step( 0,'%edx','%eax','%ebx','%ecx','11','0xc040b340', '9');
|
|---|
| 196 | round2_step( 0,'%ecx','%edx','%eax','%ebx', '0','0x265e5a51','14');
|
|---|
| 197 | round2_step( 0,'%ebx','%ecx','%edx','%eax', '5','0xe9b6c7aa','20');
|
|---|
| 198 | round2_step( 0,'%eax','%ebx','%ecx','%edx','10','0xd62f105d', '5');
|
|---|
| 199 | round2_step( 0,'%edx','%eax','%ebx','%ecx','15', '0x2441453', '9');
|
|---|
| 200 | round2_step( 0,'%ecx','%edx','%eax','%ebx', '4','0xd8a1e681','14');
|
|---|
| 201 | round2_step( 0,'%ebx','%ecx','%edx','%eax', '9','0xe7d3fbc8','20');
|
|---|
| 202 | round2_step( 0,'%eax','%ebx','%ecx','%edx','14','0x21e1cde6', '5');
|
|---|
| 203 | round2_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xc33707d6', '9');
|
|---|
| 204 | round2_step( 0,'%ecx','%edx','%eax','%ebx', '8','0xf4d50d87','14');
|
|---|
| 205 | round2_step( 0,'%ebx','%ecx','%edx','%eax','13','0x455a14ed','20');
|
|---|
| 206 | round2_step( 0,'%eax','%ebx','%ecx','%edx', '2','0xa9e3e905', '5');
|
|---|
| 207 | round2_step( 0,'%edx','%eax','%ebx','%ecx', '7','0xfcefa3f8', '9');
|
|---|
| 208 | round2_step( 0,'%ecx','%edx','%eax','%ebx','12','0x676f02d9','14');
|
|---|
| 209 | round2_step( 1,'%ebx','%ecx','%edx','%eax', '5','0x8d2a4c8a','20');
|
|---|
| 210 |
|
|---|
| 211 | round3_step(-1,'%eax','%ebx','%ecx','%edx', '8','0xfffa3942', '4');
|
|---|
| 212 | round3_step( 0,'%edx','%eax','%ebx','%ecx','11','0x8771f681','11');
|
|---|
| 213 | round3_step( 0,'%ecx','%edx','%eax','%ebx','14','0x6d9d6122','16');
|
|---|
| 214 | round3_step( 0,'%ebx','%ecx','%edx','%eax', '1','0xfde5380c','23');
|
|---|
| 215 | round3_step( 0,'%eax','%ebx','%ecx','%edx', '4','0xa4beea44', '4');
|
|---|
| 216 | round3_step( 0,'%edx','%eax','%ebx','%ecx', '7','0x4bdecfa9','11');
|
|---|
| 217 | round3_step( 0,'%ecx','%edx','%eax','%ebx','10','0xf6bb4b60','16');
|
|---|
| 218 | round3_step( 0,'%ebx','%ecx','%edx','%eax','13','0xbebfbc70','23');
|
|---|
| 219 | round3_step( 0,'%eax','%ebx','%ecx','%edx', '0','0x289b7ec6', '4');
|
|---|
| 220 | round3_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xeaa127fa','11');
|
|---|
| 221 | round3_step( 0,'%ecx','%edx','%eax','%ebx', '6','0xd4ef3085','16');
|
|---|
| 222 | round3_step( 0,'%ebx','%ecx','%edx','%eax', '9', '0x4881d05','23');
|
|---|
| 223 | round3_step( 0,'%eax','%ebx','%ecx','%edx','12','0xd9d4d039', '4');
|
|---|
| 224 | round3_step( 0,'%edx','%eax','%ebx','%ecx','15','0xe6db99e5','11');
|
|---|
| 225 | round3_step( 0,'%ecx','%edx','%eax','%ebx', '2','0x1fa27cf8','16');
|
|---|
| 226 | round3_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xc4ac5665','23');
|
|---|
| 227 |
|
|---|
| 228 | round4_step(-1,'%eax','%ebx','%ecx','%edx', '7','0xf4292244', '6');
|
|---|
| 229 | round4_step( 0,'%edx','%eax','%ebx','%ecx','14','0x432aff97','10');
|
|---|
| 230 | round4_step( 0,'%ecx','%edx','%eax','%ebx', '5','0xab9423a7','15');
|
|---|
| 231 | round4_step( 0,'%ebx','%ecx','%edx','%eax','12','0xfc93a039','21');
|
|---|
| 232 | round4_step( 0,'%eax','%ebx','%ecx','%edx', '3','0x655b59c3', '6');
|
|---|
| 233 | round4_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8f0ccc92','10');
|
|---|
| 234 | round4_step( 0,'%ecx','%edx','%eax','%ebx', '1','0xffeff47d','15');
|
|---|
| 235 | round4_step( 0,'%ebx','%ecx','%edx','%eax', '8','0x85845dd1','21');
|
|---|
| 236 | round4_step( 0,'%eax','%ebx','%ecx','%edx','15','0x6fa87e4f', '6');
|
|---|
| 237 | round4_step( 0,'%edx','%eax','%ebx','%ecx', '6','0xfe2ce6e0','10');
|
|---|
| 238 | round4_step( 0,'%ecx','%edx','%eax','%ebx','13','0xa3014314','15');
|
|---|
| 239 | round4_step( 0,'%ebx','%ecx','%edx','%eax', '4','0x4e0811a1','21');
|
|---|
| 240 | round4_step( 0,'%eax','%ebx','%ecx','%edx','11','0xf7537e82', '6');
|
|---|
| 241 | round4_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xbd3af235','10');
|
|---|
| 242 | round4_step( 0,'%ecx','%edx','%eax','%ebx', '9','0x2ad7d2bb','15');
|
|---|
| 243 | round4_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xeb86d391','21');
|
|---|
| 244 | $code .= <<EOF;
|
|---|
| 245 | # add old values of A, B, C, D
|
|---|
| 246 | add %r8d, %eax
|
|---|
| 247 | add %r9d, %ebx
|
|---|
| 248 | add %r14d, %ecx
|
|---|
| 249 | add %r15d, %edx
|
|---|
| 250 |
|
|---|
| 251 | # loop control
|
|---|
| 252 | add \$64, %rsi # ptr += 64
|
|---|
| 253 | cmp %rdi, %rsi # cmp end with ptr
|
|---|
| 254 | jb .Lloop # jmp if ptr < end
|
|---|
| 255 | # END of loop over 16-word blocks
|
|---|
| 256 |
|
|---|
| 257 | .Lend:
|
|---|
| 258 | mov %eax, 0*4(%rbp) # ctx->A = A
|
|---|
| 259 | mov %ebx, 1*4(%rbp) # ctx->B = B
|
|---|
| 260 | mov %ecx, 2*4(%rbp) # ctx->C = C
|
|---|
| 261 | mov %edx, 3*4(%rbp) # ctx->D = D
|
|---|
| 262 |
|
|---|
| 263 | mov (%rsp),%r15
|
|---|
| 264 | mov 8(%rsp),%r14
|
|---|
| 265 | mov 16(%rsp),%r12
|
|---|
| 266 | mov 24(%rsp),%rbx
|
|---|
| 267 | mov 32(%rsp),%rbp
|
|---|
| 268 | add \$40,%rsp
|
|---|
| 269 | .Lepilogue:
|
|---|
| 270 | ret
|
|---|
| 271 | .size md5_block_asm_data_order,.-md5_block_asm_data_order
|
|---|
| 272 | EOF
|
|---|
| 273 |
|
|---|
| 274 | # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
|
|---|
| 275 | # CONTEXT *context,DISPATCHER_CONTEXT *disp)
|
|---|
| 276 | if ($win64) {
|
|---|
| 277 | my $rec="%rcx";
|
|---|
| 278 | my $frame="%rdx";
|
|---|
| 279 | my $context="%r8";
|
|---|
| 280 | my $disp="%r9";
|
|---|
| 281 |
|
|---|
| 282 | $code.=<<___;
|
|---|
| 283 | .extern __imp_RtlVirtualUnwind
|
|---|
| 284 | .type se_handler,\@abi-omnipotent
|
|---|
| 285 | .align 16
|
|---|
| 286 | se_handler:
|
|---|
| 287 | push %rsi
|
|---|
| 288 | push %rdi
|
|---|
| 289 | push %rbx
|
|---|
| 290 | push %rbp
|
|---|
| 291 | push %r12
|
|---|
| 292 | push %r13
|
|---|
| 293 | push %r14
|
|---|
| 294 | push %r15
|
|---|
| 295 | pushfq
|
|---|
| 296 | sub \$64,%rsp
|
|---|
| 297 |
|
|---|
| 298 | mov 120($context),%rax # pull context->Rax
|
|---|
| 299 | mov 248($context),%rbx # pull context->Rip
|
|---|
| 300 |
|
|---|
| 301 | lea .Lprologue(%rip),%r10
|
|---|
| 302 | cmp %r10,%rbx # context->Rip<.Lprologue
|
|---|
| 303 | jb .Lin_prologue
|
|---|
| 304 |
|
|---|
| 305 | mov 152($context),%rax # pull context->Rsp
|
|---|
| 306 |
|
|---|
| 307 | lea .Lepilogue(%rip),%r10
|
|---|
| 308 | cmp %r10,%rbx # context->Rip>=.Lepilogue
|
|---|
| 309 | jae .Lin_prologue
|
|---|
| 310 |
|
|---|
| 311 | lea 40(%rax),%rax
|
|---|
| 312 |
|
|---|
| 313 | mov -8(%rax),%rbp
|
|---|
| 314 | mov -16(%rax),%rbx
|
|---|
| 315 | mov -24(%rax),%r12
|
|---|
| 316 | mov -32(%rax),%r14
|
|---|
| 317 | mov -40(%rax),%r15
|
|---|
| 318 | mov %rbx,144($context) # restore context->Rbx
|
|---|
| 319 | mov %rbp,160($context) # restore context->Rbp
|
|---|
| 320 | mov %r12,216($context) # restore context->R12
|
|---|
| 321 | mov %r14,232($context) # restore context->R14
|
|---|
| 322 | mov %r15,240($context) # restore context->R15
|
|---|
| 323 |
|
|---|
| 324 | .Lin_prologue:
|
|---|
| 325 | mov 8(%rax),%rdi
|
|---|
| 326 | mov 16(%rax),%rsi
|
|---|
| 327 | mov %rax,152($context) # restore context->Rsp
|
|---|
| 328 | mov %rsi,168($context) # restore context->Rsi
|
|---|
| 329 | mov %rdi,176($context) # restore context->Rdi
|
|---|
| 330 |
|
|---|
| 331 | mov 40($disp),%rdi # disp->ContextRecord
|
|---|
| 332 | mov $context,%rsi # context
|
|---|
| 333 | mov \$154,%ecx # sizeof(CONTEXT)
|
|---|
| 334 | .long 0xa548f3fc # cld; rep movsq
|
|---|
| 335 |
|
|---|
| 336 | mov $disp,%rsi
|
|---|
| 337 | xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
|
|---|
| 338 | mov 8(%rsi),%rdx # arg2, disp->ImageBase
|
|---|
| 339 | mov 0(%rsi),%r8 # arg3, disp->ControlPc
|
|---|
| 340 | mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
|
|---|
| 341 | mov 40(%rsi),%r10 # disp->ContextRecord
|
|---|
| 342 | lea 56(%rsi),%r11 # &disp->HandlerData
|
|---|
| 343 | lea 24(%rsi),%r12 # &disp->EstablisherFrame
|
|---|
| 344 | mov %r10,32(%rsp) # arg5
|
|---|
| 345 | mov %r11,40(%rsp) # arg6
|
|---|
| 346 | mov %r12,48(%rsp) # arg7
|
|---|
| 347 | mov %rcx,56(%rsp) # arg8, (NULL)
|
|---|
| 348 | call *__imp_RtlVirtualUnwind(%rip)
|
|---|
| 349 |
|
|---|
| 350 | mov \$1,%eax # ExceptionContinueSearch
|
|---|
| 351 | add \$64,%rsp
|
|---|
| 352 | popfq
|
|---|
| 353 | pop %r15
|
|---|
| 354 | pop %r14
|
|---|
| 355 | pop %r13
|
|---|
| 356 | pop %r12
|
|---|
| 357 | pop %rbp
|
|---|
| 358 | pop %rbx
|
|---|
| 359 | pop %rdi
|
|---|
| 360 | pop %rsi
|
|---|
| 361 | ret
|
|---|
| 362 | .size se_handler,.-se_handler
|
|---|
| 363 |
|
|---|
| 364 | .section .pdata
|
|---|
| 365 | .align 4
|
|---|
| 366 | .rva .LSEH_begin_md5_block_asm_data_order
|
|---|
| 367 | .rva .LSEH_end_md5_block_asm_data_order
|
|---|
| 368 | .rva .LSEH_info_md5_block_asm_data_order
|
|---|
| 369 |
|
|---|
| 370 | .section .xdata
|
|---|
| 371 | .align 8
|
|---|
| 372 | .LSEH_info_md5_block_asm_data_order:
|
|---|
| 373 | .byte 9,0,0,0
|
|---|
| 374 | .rva se_handler
|
|---|
| 375 | ___
|
|---|
| 376 | }
|
|---|
| 377 |
|
|---|
| 378 | print $code;
|
|---|
| 379 |
|
|---|
| 380 | close STDOUT;
|
|---|
