378 lines
12 KiB
Perl
Executable file
378 lines
12 KiB
Perl
Executable file
#!/usr/bin/perl -w
|
|
#
|
|
# MD5 optimized for AMD64.
|
|
#
|
|
# Author: Marc Bevand <bevand_m (at) epita.fr>
|
|
# Licence: I hereby disclaim the copyright on this code and place it
|
|
# in the public domain.
|
|
#
|
|
|
|
use strict;
|
|
|
|
my $code;
|
|
|
|
# round1_step() does:
|
|
# dst = x + ((dst + F(x,y,z) + X[k] + T_i) <<< s)
|
|
# %r10d = X[k_next]
|
|
# %r11d = z' (copy of z for the next step)
|
|
# Each round1_step() takes about 5.3 clocks (9 instructions, 1.7 IPC)
|
|
sub round1_step
|
|
{
|
|
my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
|
|
$code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n" if ($pos == -1);
|
|
$code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
|
|
$code .= <<EOF;
|
|
xor $y, %r11d /* y ^ ... */
|
|
lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
|
|
and $x, %r11d /* x & ... */
|
|
mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
|
|
xor $z, %r11d /* z ^ ... */
|
|
add %r11d, $dst /* dst += ... */
|
|
rol \$$s, $dst /* dst <<< s */
|
|
mov $y, %r11d /* (NEXT STEP) z' = $y */
|
|
add $x, $dst /* dst += x */
|
|
EOF
|
|
}
|
|
|
|
# round2_step() does:
|
|
# dst = x + ((dst + G(x,y,z) + X[k] + T_i) <<< s)
|
|
# %r10d = X[k_next]
|
|
# %r11d = z' (copy of z for the next step)
|
|
# %r12d = z' (copy of z for the next step)
|
|
# Each round2_step() takes about 5.4 clocks (11 instructions, 2.0 IPC)
|
|
sub round2_step
|
|
{
|
|
my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
|
|
$code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
|
|
$code .= " mov %edx, %r12d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
|
|
$code .= <<EOF;
|
|
not %r11d /* not z */
|
|
and $x, %r12d /* x & z */
|
|
lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
|
|
and $y, %r11d /* y & (not z) */
|
|
mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
|
|
or %r11d, %r12d /* (y & (not z)) | (x & z) */
|
|
mov $y, %r11d /* (NEXT STEP) z' = $y */
|
|
add %r12d, $dst /* dst += ... */
|
|
mov $y, %r12d /* (NEXT STEP) z' = $y */
|
|
rol \$$s, $dst /* dst <<< s */
|
|
add $x, $dst /* dst += x */
|
|
EOF
|
|
}
|
|
|
|
# round3_step() does:
|
|
# dst = x + ((dst + H(x,y,z) + X[k] + T_i) <<< s)
|
|
# %r10d = X[k_next]
|
|
# %r11d = y' (copy of y for the next step)
|
|
# Each round3_step() takes about 4.2 clocks (8 instructions, 1.9 IPC)
|
|
{ my $round3_alter=0;
|
|
sub round3_step
|
|
{
|
|
my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
|
|
$code .= " mov %ecx, %r11d /* (NEXT STEP) y' = %ecx */\n" if ($pos == -1);
|
|
$code .= <<EOF;
|
|
lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
|
|
xor $z, %r11d /* z ^ ... */
|
|
mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
|
|
xor $x, %r11d /* x ^ ... */
|
|
add %r11d, $dst /* dst += ... */
|
|
EOF
|
|
$code .= <<EOF if ($round3_alter);
|
|
rol \$$s, $dst /* dst <<< s */
|
|
mov $x, %r11d /* (NEXT STEP) y' = $x */
|
|
EOF
|
|
$code .= <<EOF if (!$round3_alter);
|
|
mov $x, %r11d /* (NEXT STEP) y' = $x */
|
|
rol \$$s, $dst /* dst <<< s */
|
|
EOF
|
|
$code .= <<EOF;
|
|
add $x, $dst /* dst += x */
|
|
EOF
|
|
$round3_alter^=1;
|
|
}
|
|
}
|
|
|
|
# round4_step() does:
|
|
# dst = x + ((dst + I(x,y,z) + X[k] + T_i) <<< s)
|
|
# %r10d = X[k_next]
|
|
# %r11d = not z' (copy of not z for the next step)
|
|
# Each round4_step() takes about 5.2 clocks (9 instructions, 1.7 IPC)
|
|
sub round4_step
|
|
{
|
|
my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
|
|
$code .= " mov \$0xffffffff, %r11d\n" if ($pos == -1);
|
|
$code .= " xor %edx, %r11d /* (NEXT STEP) not z' = not %edx*/\n"
|
|
if ($pos == -1);
|
|
$code .= <<EOF;
|
|
lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
|
|
or $x, %r11d /* x | ... */
|
|
mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
|
|
xor $y, %r11d /* y ^ ... */
|
|
add %r11d, $dst /* dst += ... */
|
|
mov \$0xffffffff, %r11d
|
|
rol \$$s, $dst /* dst <<< s */
|
|
xor $y, %r11d /* (NEXT STEP) not z' = not $y */
|
|
add $x, $dst /* dst += x */
|
|
EOF
|
|
}
|
|
|
|
my $flavour = shift;
|
|
my $output = shift;
|
|
if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
|
|
|
|
my $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
|
|
|
|
$0 =~ m/(.*[\/\\])[^\/\\]+$/; my $dir=$1; my $xlate;
|
|
( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
|
|
( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
|
|
die "can't locate x86_64-xlate.pl";
|
|
|
|
no warnings qw(uninitialized);
|
|
open OUT,"| \"$^X\" $xlate $flavour $output";
|
|
*STDOUT=*OUT;
|
|
|
|
$code .= <<EOF;
|
|
.text
|
|
.align 16
|
|
|
|
.globl md5_block_asm_data_order
|
|
.type md5_block_asm_data_order,\@function,3
|
|
md5_block_asm_data_order:
|
|
push %rbp
|
|
push %rbx
|
|
push %r12
|
|
push %r14
|
|
push %r15
|
|
.Lprologue:
|
|
|
|
# rdi = arg #1 (ctx, MD5_CTX pointer)
|
|
# rsi = arg #2 (ptr, data pointer)
|
|
# rdx = arg #3 (nbr, number of 16-word blocks to process)
|
|
mov %rdi, %rbp # rbp = ctx
|
|
shl \$6, %rdx # rdx = nbr in bytes
|
|
lea (%rsi,%rdx), %rdi # rdi = end
|
|
mov 0*4(%rbp), %eax # eax = ctx->A
|
|
mov 1*4(%rbp), %ebx # ebx = ctx->B
|
|
mov 2*4(%rbp), %ecx # ecx = ctx->C
|
|
mov 3*4(%rbp), %edx # edx = ctx->D
|
|
# end is 'rdi'
|
|
# ptr is 'rsi'
|
|
# A is 'eax'
|
|
# B is 'ebx'
|
|
# C is 'ecx'
|
|
# D is 'edx'
|
|
|
|
cmp %rdi, %rsi # cmp end with ptr
|
|
je .Lend # jmp if ptr == end
|
|
|
|
# BEGIN of loop over 16-word blocks
|
|
.Lloop: # save old values of A, B, C, D
|
|
mov %eax, %r8d
|
|
mov %ebx, %r9d
|
|
mov %ecx, %r14d
|
|
mov %edx, %r15d
|
|
EOF
|
|
round1_step(-1,'%eax','%ebx','%ecx','%edx', '1','0xd76aa478', '7');
|
|
round1_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xe8c7b756','12');
|
|
round1_step( 0,'%ecx','%edx','%eax','%ebx', '3','0x242070db','17');
|
|
round1_step( 0,'%ebx','%ecx','%edx','%eax', '4','0xc1bdceee','22');
|
|
round1_step( 0,'%eax','%ebx','%ecx','%edx', '5','0xf57c0faf', '7');
|
|
round1_step( 0,'%edx','%eax','%ebx','%ecx', '6','0x4787c62a','12');
|
|
round1_step( 0,'%ecx','%edx','%eax','%ebx', '7','0xa8304613','17');
|
|
round1_step( 0,'%ebx','%ecx','%edx','%eax', '8','0xfd469501','22');
|
|
round1_step( 0,'%eax','%ebx','%ecx','%edx', '9','0x698098d8', '7');
|
|
round1_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8b44f7af','12');
|
|
round1_step( 0,'%ecx','%edx','%eax','%ebx','11','0xffff5bb1','17');
|
|
round1_step( 0,'%ebx','%ecx','%edx','%eax','12','0x895cd7be','22');
|
|
round1_step( 0,'%eax','%ebx','%ecx','%edx','13','0x6b901122', '7');
|
|
round1_step( 0,'%edx','%eax','%ebx','%ecx','14','0xfd987193','12');
|
|
round1_step( 0,'%ecx','%edx','%eax','%ebx','15','0xa679438e','17');
|
|
round1_step( 1,'%ebx','%ecx','%edx','%eax', '1','0x49b40821','22');
|
|
|
|
round2_step(-1,'%eax','%ebx','%ecx','%edx', '6','0xf61e2562', '5');
|
|
round2_step( 0,'%edx','%eax','%ebx','%ecx','11','0xc040b340', '9');
|
|
round2_step( 0,'%ecx','%edx','%eax','%ebx', '0','0x265e5a51','14');
|
|
round2_step( 0,'%ebx','%ecx','%edx','%eax', '5','0xe9b6c7aa','20');
|
|
round2_step( 0,'%eax','%ebx','%ecx','%edx','10','0xd62f105d', '5');
|
|
round2_step( 0,'%edx','%eax','%ebx','%ecx','15', '0x2441453', '9');
|
|
round2_step( 0,'%ecx','%edx','%eax','%ebx', '4','0xd8a1e681','14');
|
|
round2_step( 0,'%ebx','%ecx','%edx','%eax', '9','0xe7d3fbc8','20');
|
|
round2_step( 0,'%eax','%ebx','%ecx','%edx','14','0x21e1cde6', '5');
|
|
round2_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xc33707d6', '9');
|
|
round2_step( 0,'%ecx','%edx','%eax','%ebx', '8','0xf4d50d87','14');
|
|
round2_step( 0,'%ebx','%ecx','%edx','%eax','13','0x455a14ed','20');
|
|
round2_step( 0,'%eax','%ebx','%ecx','%edx', '2','0xa9e3e905', '5');
|
|
round2_step( 0,'%edx','%eax','%ebx','%ecx', '7','0xfcefa3f8', '9');
|
|
round2_step( 0,'%ecx','%edx','%eax','%ebx','12','0x676f02d9','14');
|
|
round2_step( 1,'%ebx','%ecx','%edx','%eax', '5','0x8d2a4c8a','20');
|
|
|
|
round3_step(-1,'%eax','%ebx','%ecx','%edx', '8','0xfffa3942', '4');
|
|
round3_step( 0,'%edx','%eax','%ebx','%ecx','11','0x8771f681','11');
|
|
round3_step( 0,'%ecx','%edx','%eax','%ebx','14','0x6d9d6122','16');
|
|
round3_step( 0,'%ebx','%ecx','%edx','%eax', '1','0xfde5380c','23');
|
|
round3_step( 0,'%eax','%ebx','%ecx','%edx', '4','0xa4beea44', '4');
|
|
round3_step( 0,'%edx','%eax','%ebx','%ecx', '7','0x4bdecfa9','11');
|
|
round3_step( 0,'%ecx','%edx','%eax','%ebx','10','0xf6bb4b60','16');
|
|
round3_step( 0,'%ebx','%ecx','%edx','%eax','13','0xbebfbc70','23');
|
|
round3_step( 0,'%eax','%ebx','%ecx','%edx', '0','0x289b7ec6', '4');
|
|
round3_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xeaa127fa','11');
|
|
round3_step( 0,'%ecx','%edx','%eax','%ebx', '6','0xd4ef3085','16');
|
|
round3_step( 0,'%ebx','%ecx','%edx','%eax', '9', '0x4881d05','23');
|
|
round3_step( 0,'%eax','%ebx','%ecx','%edx','12','0xd9d4d039', '4');
|
|
round3_step( 0,'%edx','%eax','%ebx','%ecx','15','0xe6db99e5','11');
|
|
round3_step( 0,'%ecx','%edx','%eax','%ebx', '2','0x1fa27cf8','16');
|
|
round3_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xc4ac5665','23');
|
|
|
|
round4_step(-1,'%eax','%ebx','%ecx','%edx', '7','0xf4292244', '6');
|
|
round4_step( 0,'%edx','%eax','%ebx','%ecx','14','0x432aff97','10');
|
|
round4_step( 0,'%ecx','%edx','%eax','%ebx', '5','0xab9423a7','15');
|
|
round4_step( 0,'%ebx','%ecx','%edx','%eax','12','0xfc93a039','21');
|
|
round4_step( 0,'%eax','%ebx','%ecx','%edx', '3','0x655b59c3', '6');
|
|
round4_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8f0ccc92','10');
|
|
round4_step( 0,'%ecx','%edx','%eax','%ebx', '1','0xffeff47d','15');
|
|
round4_step( 0,'%ebx','%ecx','%edx','%eax', '8','0x85845dd1','21');
|
|
round4_step( 0,'%eax','%ebx','%ecx','%edx','15','0x6fa87e4f', '6');
|
|
round4_step( 0,'%edx','%eax','%ebx','%ecx', '6','0xfe2ce6e0','10');
|
|
round4_step( 0,'%ecx','%edx','%eax','%ebx','13','0xa3014314','15');
|
|
round4_step( 0,'%ebx','%ecx','%edx','%eax', '4','0x4e0811a1','21');
|
|
round4_step( 0,'%eax','%ebx','%ecx','%edx','11','0xf7537e82', '6');
|
|
round4_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xbd3af235','10');
|
|
round4_step( 0,'%ecx','%edx','%eax','%ebx', '9','0x2ad7d2bb','15');
|
|
round4_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xeb86d391','21');
|
|
$code .= <<EOF;
|
|
# add old values of A, B, C, D
|
|
add %r8d, %eax
|
|
add %r9d, %ebx
|
|
add %r14d, %ecx
|
|
add %r15d, %edx
|
|
|
|
# loop control
|
|
add \$64, %rsi # ptr += 64
|
|
cmp %rdi, %rsi # cmp end with ptr
|
|
jb .Lloop # jmp if ptr < end
|
|
# END of loop over 16-word blocks
|
|
|
|
.Lend:
|
|
mov %eax, 0*4(%rbp) # ctx->A = A
|
|
mov %ebx, 1*4(%rbp) # ctx->B = B
|
|
mov %ecx, 2*4(%rbp) # ctx->C = C
|
|
mov %edx, 3*4(%rbp) # ctx->D = D
|
|
|
|
mov (%rsp),%r15
|
|
mov 8(%rsp),%r14
|
|
mov 16(%rsp),%r12
|
|
mov 24(%rsp),%rbx
|
|
mov 32(%rsp),%rbp
|
|
add \$40,%rsp
|
|
.Lepilogue:
|
|
ret
|
|
.size md5_block_asm_data_order,.-md5_block_asm_data_order
|
|
EOF
|
|
|
|
# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
|
|
# CONTEXT *context,DISPATCHER_CONTEXT *disp)
|
|
if ($win64) {
|
|
my $rec="%rcx";
|
|
my $frame="%rdx";
|
|
my $context="%r8";
|
|
my $disp="%r9";
|
|
|
|
$code.=<<___;
|
|
.extern __imp_RtlVirtualUnwind
|
|
.type se_handler,\@abi-omnipotent
|
|
.align 16
|
|
se_handler:
|
|
push %rsi
|
|
push %rdi
|
|
push %rbx
|
|
push %rbp
|
|
push %r12
|
|
push %r13
|
|
push %r14
|
|
push %r15
|
|
pushfq
|
|
sub \$64,%rsp
|
|
|
|
mov 120($context),%rax # pull context->Rax
|
|
mov 248($context),%rbx # pull context->Rip
|
|
|
|
lea .Lprologue(%rip),%r10
|
|
cmp %r10,%rbx # context->Rip<.Lprologue
|
|
jb .Lin_prologue
|
|
|
|
mov 152($context),%rax # pull context->Rsp
|
|
|
|
lea .Lepilogue(%rip),%r10
|
|
cmp %r10,%rbx # context->Rip>=.Lepilogue
|
|
jae .Lin_prologue
|
|
|
|
lea 40(%rax),%rax
|
|
|
|
mov -8(%rax),%rbp
|
|
mov -16(%rax),%rbx
|
|
mov -24(%rax),%r12
|
|
mov -32(%rax),%r14
|
|
mov -40(%rax),%r15
|
|
mov %rbx,144($context) # restore context->Rbx
|
|
mov %rbp,160($context) # restore context->Rbp
|
|
mov %r12,216($context) # restore context->R12
|
|
mov %r14,232($context) # restore context->R14
|
|
mov %r15,240($context) # restore context->R15
|
|
|
|
.Lin_prologue:
|
|
mov 8(%rax),%rdi
|
|
mov 16(%rax),%rsi
|
|
mov %rax,152($context) # restore context->Rsp
|
|
mov %rsi,168($context) # restore context->Rsi
|
|
mov %rdi,176($context) # restore context->Rdi
|
|
|
|
mov 40($disp),%rdi # disp->ContextRecord
|
|
mov $context,%rsi # context
|
|
mov \$154,%ecx # sizeof(CONTEXT)
|
|
.long 0xa548f3fc # cld; rep movsq
|
|
|
|
mov $disp,%rsi
|
|
xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
|
|
mov 8(%rsi),%rdx # arg2, disp->ImageBase
|
|
mov 0(%rsi),%r8 # arg3, disp->ControlPc
|
|
mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
|
|
mov 40(%rsi),%r10 # disp->ContextRecord
|
|
lea 56(%rsi),%r11 # &disp->HandlerData
|
|
lea 24(%rsi),%r12 # &disp->EstablisherFrame
|
|
mov %r10,32(%rsp) # arg5
|
|
mov %r11,40(%rsp) # arg6
|
|
mov %r12,48(%rsp) # arg7
|
|
mov %rcx,56(%rsp) # arg8, (NULL)
|
|
call *__imp_RtlVirtualUnwind(%rip)
|
|
|
|
mov \$1,%eax # ExceptionContinueSearch
|
|
add \$64,%rsp
|
|
popfq
|
|
pop %r15
|
|
pop %r14
|
|
pop %r13
|
|
pop %r12
|
|
pop %rbp
|
|
pop %rbx
|
|
pop %rdi
|
|
pop %rsi
|
|
ret
|
|
.size se_handler,.-se_handler
|
|
|
|
.section .pdata
|
|
.align 4
|
|
.rva .LSEH_begin_md5_block_asm_data_order
|
|
.rva .LSEH_end_md5_block_asm_data_order
|
|
.rva .LSEH_info_md5_block_asm_data_order
|
|
|
|
.section .xdata
|
|
.align 8
|
|
.LSEH_info_md5_block_asm_data_order:
|
|
.byte 9,0,0,0
|
|
.rva se_handler
|
|
___
|
|
}
|
|
|
|
print $code;
|
|
|
|
close STDOUT;
|