Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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383 lines
12 KiB
383 lines
12 KiB
#!/usr/bin/perl -w |
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# |
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# MD5 optimized for AMD64. |
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# |
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# Author: Marc Bevand <bevand_m (at) epita.fr> |
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# Licence: I hereby disclaim the copyright on this code and place it |
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# in the public domain. |
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# |
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use strict; |
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my $code; |
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# round1_step() does: |
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# dst = x + ((dst + F(x,y,z) + X[k] + T_i) <<< s) |
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# %r10d = X[k_next] |
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# %r11d = z' (copy of z for the next step) |
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# Each round1_step() takes about 5.3 clocks (9 instructions, 1.7 IPC) |
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sub round1_step |
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{ |
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my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; |
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$code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n" if ($pos == -1); |
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$code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1); |
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$code .= <<EOF; |
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xor $y, %r11d /* y ^ ... */ |
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lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ |
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and $x, %r11d /* x & ... */ |
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xor $z, %r11d /* z ^ ... */ |
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mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ |
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add %r11d, $dst /* dst += ... */ |
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rol \$$s, $dst /* dst <<< s */ |
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mov $y, %r11d /* (NEXT STEP) z' = $y */ |
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add $x, $dst /* dst += x */ |
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EOF |
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} |
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# round2_step() does: |
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# dst = x + ((dst + G(x,y,z) + X[k] + T_i) <<< s) |
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# %r10d = X[k_next] |
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# %r11d = z' (copy of z for the next step) |
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# %r12d = z' (copy of z for the next step) |
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# Each round2_step() takes about 5.4 clocks (11 instructions, 2.0 IPC) |
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sub round2_step |
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{ |
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my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; |
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$code .= " mov 1*4(%rsi), %r10d /* (NEXT STEP) X[1] */\n" if ($pos == -1); |
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$code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1); |
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$code .= " mov %edx, %r12d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1); |
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$code .= <<EOF; |
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not %r11d /* not z */ |
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lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ |
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and $x, %r12d /* x & z */ |
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and $y, %r11d /* y & (not z) */ |
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mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ |
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or %r11d, %r12d /* (y & (not z)) | (x & z) */ |
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mov $y, %r11d /* (NEXT STEP) z' = $y */ |
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add %r12d, $dst /* dst += ... */ |
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mov $y, %r12d /* (NEXT STEP) z' = $y */ |
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rol \$$s, $dst /* dst <<< s */ |
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add $x, $dst /* dst += x */ |
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EOF |
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} |
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# round3_step() does: |
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# dst = x + ((dst + H(x,y,z) + X[k] + T_i) <<< s) |
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# %r10d = X[k_next] |
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# %r11d = y' (copy of y for the next step) |
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# Each round3_step() takes about 4.2 clocks (8 instructions, 1.9 IPC) |
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sub round3_step |
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{ |
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my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; |
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$code .= " mov 5*4(%rsi), %r10d /* (NEXT STEP) X[5] */\n" if ($pos == -1); |
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$code .= " mov %ecx, %r11d /* (NEXT STEP) y' = %ecx */\n" if ($pos == -1); |
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$code .= <<EOF; |
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lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ |
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mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ |
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xor $z, %r11d /* z ^ ... */ |
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xor $x, %r11d /* x ^ ... */ |
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add %r11d, $dst /* dst += ... */ |
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rol \$$s, $dst /* dst <<< s */ |
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mov $x, %r11d /* (NEXT STEP) y' = $x */ |
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add $x, $dst /* dst += x */ |
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EOF |
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} |
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# round4_step() does: |
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# dst = x + ((dst + I(x,y,z) + X[k] + T_i) <<< s) |
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# %r10d = X[k_next] |
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# %r11d = not z' (copy of not z for the next step) |
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# Each round4_step() takes about 5.2 clocks (9 instructions, 1.7 IPC) |
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sub round4_step |
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{ |
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my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; |
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$code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n" if ($pos == -1); |
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$code .= " mov \$0xffffffff, %r11d\n" if ($pos == -1); |
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$code .= " xor %edx, %r11d /* (NEXT STEP) not z' = not %edx*/\n" |
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if ($pos == -1); |
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$code .= <<EOF; |
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lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ |
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or $x, %r11d /* x | ... */ |
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xor $y, %r11d /* y ^ ... */ |
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add %r11d, $dst /* dst += ... */ |
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mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ |
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mov \$0xffffffff, %r11d |
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rol \$$s, $dst /* dst <<< s */ |
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xor $y, %r11d /* (NEXT STEP) not z' = not $y */ |
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add $x, $dst /* dst += x */ |
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EOF |
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} |
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no warnings qw(uninitialized); |
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my $flavour = shift; |
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my $output = shift; |
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if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } |
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my $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); |
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; my $dir=$1; my $xlate; |
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( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or |
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( $xlate="${dir}../../../perlasm/x86_64-xlate.pl" and -f $xlate) or |
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die "can't locate x86_64-xlate.pl"; |
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open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\""; |
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*STDOUT=*OUT; |
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$code .= <<EOF; |
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.text |
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.align 16 |
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.globl md5_block_asm_data_order |
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.type md5_block_asm_data_order,\@function,3 |
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md5_block_asm_data_order: |
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.cfi_startproc |
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push %rbp |
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.cfi_push rbp |
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push %rbx |
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.cfi_push rbx |
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push %r12 |
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.cfi_push r12 |
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push %r14 |
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.cfi_push r14 |
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push %r15 |
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.cfi_push r15 |
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.Lprologue: |
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# rdi = arg #1 (ctx, MD5_CTX pointer) |
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# rsi = arg #2 (ptr, data pointer) |
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# rdx = arg #3 (nbr, number of 16-word blocks to process) |
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mov %rdi, %rbp # rbp = ctx |
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shl \$6, %rdx # rdx = nbr in bytes |
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lea (%rsi,%rdx), %rdi # rdi = end |
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mov 0*4(%rbp), %eax # eax = ctx->A |
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mov 1*4(%rbp), %ebx # ebx = ctx->B |
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mov 2*4(%rbp), %ecx # ecx = ctx->C |
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mov 3*4(%rbp), %edx # edx = ctx->D |
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# end is 'rdi' |
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# ptr is 'rsi' |
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# A is 'eax' |
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# B is 'ebx' |
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# C is 'ecx' |
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# D is 'edx' |
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cmp %rdi, %rsi # cmp end with ptr |
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je .Lend # jmp if ptr == end |
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# BEGIN of loop over 16-word blocks |
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.Lloop: # save old values of A, B, C, D |
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mov %eax, %r8d |
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mov %ebx, %r9d |
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mov %ecx, %r14d |
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mov %edx, %r15d |
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EOF |
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round1_step(-1,'%eax','%ebx','%ecx','%edx', '1','0xd76aa478', '7'); |
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round1_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xe8c7b756','12'); |
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round1_step( 0,'%ecx','%edx','%eax','%ebx', '3','0x242070db','17'); |
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round1_step( 0,'%ebx','%ecx','%edx','%eax', '4','0xc1bdceee','22'); |
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round1_step( 0,'%eax','%ebx','%ecx','%edx', '5','0xf57c0faf', '7'); |
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round1_step( 0,'%edx','%eax','%ebx','%ecx', '6','0x4787c62a','12'); |
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round1_step( 0,'%ecx','%edx','%eax','%ebx', '7','0xa8304613','17'); |
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round1_step( 0,'%ebx','%ecx','%edx','%eax', '8','0xfd469501','22'); |
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round1_step( 0,'%eax','%ebx','%ecx','%edx', '9','0x698098d8', '7'); |
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round1_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8b44f7af','12'); |
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round1_step( 0,'%ecx','%edx','%eax','%ebx','11','0xffff5bb1','17'); |
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round1_step( 0,'%ebx','%ecx','%edx','%eax','12','0x895cd7be','22'); |
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round1_step( 0,'%eax','%ebx','%ecx','%edx','13','0x6b901122', '7'); |
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round1_step( 0,'%edx','%eax','%ebx','%ecx','14','0xfd987193','12'); |
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round1_step( 0,'%ecx','%edx','%eax','%ebx','15','0xa679438e','17'); |
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round1_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x49b40821','22'); |
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round2_step(-1,'%eax','%ebx','%ecx','%edx', '6','0xf61e2562', '5'); |
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round2_step( 0,'%edx','%eax','%ebx','%ecx','11','0xc040b340', '9'); |
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round2_step( 0,'%ecx','%edx','%eax','%ebx', '0','0x265e5a51','14'); |
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round2_step( 0,'%ebx','%ecx','%edx','%eax', '5','0xe9b6c7aa','20'); |
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round2_step( 0,'%eax','%ebx','%ecx','%edx','10','0xd62f105d', '5'); |
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round2_step( 0,'%edx','%eax','%ebx','%ecx','15', '0x2441453', '9'); |
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round2_step( 0,'%ecx','%edx','%eax','%ebx', '4','0xd8a1e681','14'); |
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round2_step( 0,'%ebx','%ecx','%edx','%eax', '9','0xe7d3fbc8','20'); |
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round2_step( 0,'%eax','%ebx','%ecx','%edx','14','0x21e1cde6', '5'); |
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round2_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xc33707d6', '9'); |
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round2_step( 0,'%ecx','%edx','%eax','%ebx', '8','0xf4d50d87','14'); |
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round2_step( 0,'%ebx','%ecx','%edx','%eax','13','0x455a14ed','20'); |
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round2_step( 0,'%eax','%ebx','%ecx','%edx', '2','0xa9e3e905', '5'); |
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round2_step( 0,'%edx','%eax','%ebx','%ecx', '7','0xfcefa3f8', '9'); |
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round2_step( 0,'%ecx','%edx','%eax','%ebx','12','0x676f02d9','14'); |
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round2_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x8d2a4c8a','20'); |
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round3_step(-1,'%eax','%ebx','%ecx','%edx', '8','0xfffa3942', '4'); |
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round3_step( 0,'%edx','%eax','%ebx','%ecx','11','0x8771f681','11'); |
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round3_step( 0,'%ecx','%edx','%eax','%ebx','14','0x6d9d6122','16'); |
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round3_step( 0,'%ebx','%ecx','%edx','%eax', '1','0xfde5380c','23'); |
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round3_step( 0,'%eax','%ebx','%ecx','%edx', '4','0xa4beea44', '4'); |
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round3_step( 0,'%edx','%eax','%ebx','%ecx', '7','0x4bdecfa9','11'); |
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round3_step( 0,'%ecx','%edx','%eax','%ebx','10','0xf6bb4b60','16'); |
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round3_step( 0,'%ebx','%ecx','%edx','%eax','13','0xbebfbc70','23'); |
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round3_step( 0,'%eax','%ebx','%ecx','%edx', '0','0x289b7ec6', '4'); |
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round3_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xeaa127fa','11'); |
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round3_step( 0,'%ecx','%edx','%eax','%ebx', '6','0xd4ef3085','16'); |
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round3_step( 0,'%ebx','%ecx','%edx','%eax', '9', '0x4881d05','23'); |
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round3_step( 0,'%eax','%ebx','%ecx','%edx','12','0xd9d4d039', '4'); |
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round3_step( 0,'%edx','%eax','%ebx','%ecx','15','0xe6db99e5','11'); |
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round3_step( 0,'%ecx','%edx','%eax','%ebx', '2','0x1fa27cf8','16'); |
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round3_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xc4ac5665','23'); |
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round4_step(-1,'%eax','%ebx','%ecx','%edx', '7','0xf4292244', '6'); |
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round4_step( 0,'%edx','%eax','%ebx','%ecx','14','0x432aff97','10'); |
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round4_step( 0,'%ecx','%edx','%eax','%ebx', '5','0xab9423a7','15'); |
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round4_step( 0,'%ebx','%ecx','%edx','%eax','12','0xfc93a039','21'); |
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round4_step( 0,'%eax','%ebx','%ecx','%edx', '3','0x655b59c3', '6'); |
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round4_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8f0ccc92','10'); |
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round4_step( 0,'%ecx','%edx','%eax','%ebx', '1','0xffeff47d','15'); |
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round4_step( 0,'%ebx','%ecx','%edx','%eax', '8','0x85845dd1','21'); |
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round4_step( 0,'%eax','%ebx','%ecx','%edx','15','0x6fa87e4f', '6'); |
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round4_step( 0,'%edx','%eax','%ebx','%ecx', '6','0xfe2ce6e0','10'); |
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round4_step( 0,'%ecx','%edx','%eax','%ebx','13','0xa3014314','15'); |
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round4_step( 0,'%ebx','%ecx','%edx','%eax', '4','0x4e0811a1','21'); |
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round4_step( 0,'%eax','%ebx','%ecx','%edx','11','0xf7537e82', '6'); |
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round4_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xbd3af235','10'); |
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round4_step( 0,'%ecx','%edx','%eax','%ebx', '9','0x2ad7d2bb','15'); |
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round4_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xeb86d391','21'); |
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$code .= <<EOF; |
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# add old values of A, B, C, D |
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add %r8d, %eax |
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add %r9d, %ebx |
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add %r14d, %ecx |
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add %r15d, %edx |
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# loop control |
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add \$64, %rsi # ptr += 64 |
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cmp %rdi, %rsi # cmp end with ptr |
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jb .Lloop # jmp if ptr < end |
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# END of loop over 16-word blocks |
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.Lend: |
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mov %eax, 0*4(%rbp) # ctx->A = A |
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mov %ebx, 1*4(%rbp) # ctx->B = B |
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mov %ecx, 2*4(%rbp) # ctx->C = C |
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mov %edx, 3*4(%rbp) # ctx->D = D |
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mov (%rsp),%r15 |
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.cfi_restore r15 |
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mov 8(%rsp),%r14 |
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.cfi_restore r14 |
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mov 16(%rsp),%r12 |
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.cfi_restore r12 |
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mov 24(%rsp),%rbx |
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.cfi_restore rbx |
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mov 32(%rsp),%rbp |
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.cfi_restore rbp |
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add \$40,%rsp |
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.cfi_adjust_cfa_offset -40 |
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.Lepilogue: |
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ret |
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.cfi_endproc |
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.size md5_block_asm_data_order,.-md5_block_asm_data_order |
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EOF |
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# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, |
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# CONTEXT *context,DISPATCHER_CONTEXT *disp) |
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if ($win64) { |
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my $rec="%rcx"; |
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my $frame="%rdx"; |
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my $context="%r8"; |
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my $disp="%r9"; |
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$code.=<<___; |
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.extern __imp_RtlVirtualUnwind |
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.type se_handler,\@abi-omnipotent |
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.align 16 |
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se_handler: |
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push %rsi |
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push %rdi |
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push %rbx |
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push %rbp |
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push %r12 |
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push %r13 |
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push %r14 |
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push %r15 |
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pushfq |
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sub \$64,%rsp |
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mov 120($context),%rax # pull context->Rax |
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mov 248($context),%rbx # pull context->Rip |
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lea .Lprologue(%rip),%r10 |
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cmp %r10,%rbx # context->Rip<.Lprologue |
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jb .Lin_prologue |
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mov 152($context),%rax # pull context->Rsp |
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lea .Lepilogue(%rip),%r10 |
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cmp %r10,%rbx # context->Rip>=.Lepilogue |
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jae .Lin_prologue |
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lea 40(%rax),%rax |
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mov -8(%rax),%rbp |
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mov -16(%rax),%rbx |
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mov -24(%rax),%r12 |
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mov -32(%rax),%r14 |
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mov -40(%rax),%r15 |
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mov %rbx,144($context) # restore context->Rbx |
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mov %rbp,160($context) # restore context->Rbp |
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mov %r12,216($context) # restore context->R12 |
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mov %r14,232($context) # restore context->R14 |
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mov %r15,240($context) # restore context->R15 |
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.Lin_prologue: |
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mov 8(%rax),%rdi |
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mov 16(%rax),%rsi |
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mov %rax,152($context) # restore context->Rsp |
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mov %rsi,168($context) # restore context->Rsi |
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mov %rdi,176($context) # restore context->Rdi |
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mov 40($disp),%rdi # disp->ContextRecord |
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mov $context,%rsi # context |
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mov \$154,%ecx # sizeof(CONTEXT) |
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.long 0xa548f3fc # cld; rep movsq |
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mov $disp,%rsi |
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xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER |
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mov 8(%rsi),%rdx # arg2, disp->ImageBase |
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mov 0(%rsi),%r8 # arg3, disp->ControlPc |
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mov 16(%rsi),%r9 # arg4, disp->FunctionEntry |
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mov 40(%rsi),%r10 # disp->ContextRecord |
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lea 56(%rsi),%r11 # &disp->HandlerData |
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lea 24(%rsi),%r12 # &disp->EstablisherFrame |
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mov %r10,32(%rsp) # arg5 |
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mov %r11,40(%rsp) # arg6 |
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mov %r12,48(%rsp) # arg7 |
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mov %rcx,56(%rsp) # arg8, (NULL) |
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call *__imp_RtlVirtualUnwind(%rip) |
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mov \$1,%eax # ExceptionContinueSearch |
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add \$64,%rsp |
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popfq |
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pop %r15 |
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pop %r14 |
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pop %r13 |
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pop %r12 |
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pop %rbp |
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pop %rbx |
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pop %rdi |
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pop %rsi |
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ret |
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.size se_handler,.-se_handler |
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.section .pdata |
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.align 4 |
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.rva .LSEH_begin_md5_block_asm_data_order |
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.rva .LSEH_end_md5_block_asm_data_order |
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.rva .LSEH_info_md5_block_asm_data_order |
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.section .xdata |
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.align 8 |
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.LSEH_info_md5_block_asm_data_order: |
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.byte 9,0,0,0 |
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.rva se_handler |
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___ |
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} |
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print $code; |
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close STDOUT or die "error closing STDOUT: $!";
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