diff options
Diffstat (limited to 'openssl/crypto/md5/asm/md5-x86_64.pl')
| -rw-r--r-- | openssl/crypto/md5/asm/md5-x86_64.pl | 156 |
1 files changed, 140 insertions, 16 deletions
diff --git a/openssl/crypto/md5/asm/md5-x86_64.pl b/openssl/crypto/md5/asm/md5-x86_64.pl index 9a6fa6722..867885435 100644 --- a/openssl/crypto/md5/asm/md5-x86_64.pl +++ b/openssl/crypto/md5/asm/md5-x86_64.pl @@ -15,7 +15,7 @@ my $code; # dst = x + ((dst + F(x,y,z) + X[k] + T_i) <<< s) # %r10d = X[k_next] # %r11d = z' (copy of z for the next step) -# Each round1_step() takes about 5.71 clocks (9 instructions, 1.58 IPC) +# Each round1_step() takes about 5.3 clocks (9 instructions, 1.7 IPC) sub round1_step { my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; @@ -37,22 +37,26 @@ EOF # round2_step() does: # dst = x + ((dst + G(x,y,z) + X[k] + T_i) <<< s) # %r10d = X[k_next] -# %r11d = y' (copy of y for the next step) -# Each round2_step() takes about 6.22 clocks (9 instructions, 1.45 IPC) +# %r11d = z' (copy of z for the next step) +# %r12d = z' (copy of z for the next step) +# Each round2_step() takes about 5.4 clocks (11 instructions, 2.0 IPC) sub round2_step { my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; $code .= " mov 1*4(%rsi), %r10d /* (NEXT STEP) X[1] */\n" if ($pos == -1); - $code .= " mov %ecx, %r11d /* (NEXT STEP) y' = %ecx */\n" if ($pos == -1); + $code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1); + $code .= " mov %edx, %r12d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1); $code .= <<EOF; - xor $x, %r11d /* x ^ ... */ + not %r11d /* not z */ lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ - and $z, %r11d /* z & ... */ - xor $y, %r11d /* y ^ ... */ + and $x, %r12d /* x & z */ + and $y, %r11d /* y & (not z) */ mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ - add %r11d, $dst /* dst += ... */ + 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 */ - mov $x, %r11d /* (NEXT STEP) y' = $x */ add $x, $dst /* dst += x */ EOF } @@ -61,7 +65,7 @@ EOF # dst = x + ((dst + H(x,y,z) + X[k] + T_i) <<< s) # %r10d = X[k_next] # %r11d = y' (copy of y for the next step) -# Each round3_step() takes about 4.26 clocks (8 instructions, 1.88 IPC) +# Each round3_step() takes about 4.2 clocks (8 instructions, 1.9 IPC) sub round3_step { my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; @@ -83,7 +87,7 @@ EOF # dst = x + ((dst + I(x,y,z) + X[k] + T_i) <<< s) # %r10d = X[k_next] # %r11d = not z' (copy of not z for the next step) -# Each round4_step() takes about 5.27 clocks (9 instructions, 1.71 IPC) +# Each round4_step() takes about 5.2 clocks (9 instructions, 1.7 IPC) sub round4_step { my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; @@ -104,8 +108,19 @@ sub round4_step EOF } -my $output = shift; -open STDOUT,"| $^X ../perlasm/x86_64-xlate.pl $output"; +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 STDOUT,"| $^X $xlate $flavour $output"; $code .= <<EOF; .text @@ -116,8 +131,10 @@ $code .= <<EOF; 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) @@ -232,13 +249,120 @@ $code .= <<EOF; mov %ecx, 2*4(%rbp) # ctx->C = C mov %edx, 3*4(%rbp) # ctx->D = D + mov (%rsp),%r15 + mov 8(%rsp),%r14 + mov 16(%rsp),%r12 + mov 24(%rsp),%rbx + mov 32(%rsp),%rbp + add \$40,%rsp +.Lepilogue: + ret +.size md5_block_asm_data_order,.-md5_block_asm_data_order +EOF + +# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, +# CONTEXT *context,DISPATCHER_CONTEXT *disp) +if ($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 %rbx + pop %r13 + pop %r12 pop %rbp + pop %rbx + pop %rdi + pop %rsi ret -.size md5_block_asm_data_order,.-md5_block_asm_data_order -EOF +.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; 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