# sha256_block:-( This is presumably because 64-bit shifts/rotates
# apparently are not atomic instructions, but implemented in microcode.
-$output=shift;
-open STDOUT,"| $^X ../perlasm/x86_64-xlate.pl $output";
+$flavour = shift;
+$output = shift;
+if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
+
+$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+( $xlate="${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";
+
+open STDOUT,"| $^X $xlate $flavour $output";
if ($output =~ /512/) {
- $func="sha512_block";
+ $func="sha512_block_data_order";
$TABLE="K512";
$SZ=8;
@ROT=($A,$B,$C,$D,$E,$F,$G,$H)=("%rax","%rbx","%rcx","%rdx",
@sigma1=(19,61, 6);
$rounds=80;
} else {
- $func="sha256_block";
+ $func="sha256_block_data_order";
$TABLE="K256";
$SZ=4;
@ROT=($A,$B,$C,$D,$E,$F,$G,$H)=("%eax","%ebx","%ecx","%edx",
$_ctx="16*$SZ+0*8(%rsp)";
$_inp="16*$SZ+1*8(%rsp)";
$_end="16*$SZ+2*8(%rsp)";
-$_ord="16*$SZ+3*8(%rsp)";
-$_rsp="16*$SZ+4*8(%rsp)";
-$framesz="16*$SZ+5*8";
+$_rsp="16*$SZ+3*8(%rsp)";
+$framesz="16*$SZ+4*8";
sub ROUND_00_15()
push %r13
push %r14
push %r15
- mov %rsp,%rbp # copy %rsp
+ mov %rsp,%r11 # copy %rsp
shl \$4,%rdx # num*16
sub \$$framesz,%rsp
lea ($inp,%rdx,$SZ),%rdx # inp+num*16*$SZ
mov $ctx,$_ctx # save ctx, 1st arg
mov $inp,$_inp # save inp, 2nd arh
mov %rdx,$_end # save end pointer, "3rd" arg
- mov %ecx,$_ord # save host, 4th arg
- mov %rbp,$_rsp # save copy of %rsp
+ mov %r11,$_rsp # save copy of %rsp
+.Lprologue:
- .picmeup $Tbl
- lea $TABLE-.($Tbl),$Tbl
+ lea $TABLE(%rip),$Tbl
mov $SZ*0($ctx),$A
mov $SZ*1($ctx),$B
.Lloop:
xor $round,$round
___
-if ($SZ==4) {
-$code.=<<___;
- cmpl \$0,$_ord
- je .Ldata_order
-.align 16
-.Lhost_order:
-___
-
- for($i=0;$i<16;$i++) {
- $code.=" mov $SZ*$i($inp),$T1\n";
- &ROUND_00_15($i,@ROT);
- unshift(@ROT,pop(@ROT));
- }
-$code.=<<___;
- jmp .Lrounds_16_xx
-.align 16
-.Ldata_order:
-___
-} # 256
for($i=0;$i<16;$i++) {
$code.=" mov $SZ*$i($inp),$T1\n";
$code.=" bswap $T1\n";
mov $H,$SZ*7($ctx)
jb .Lloop
- mov $_rsp,%rsp
- pop %r15
- pop %r14
- pop %r13
- pop %r12
- pop %rbp
- pop %rbx
-
+ mov $_rsp,%rsi
+ mov (%rsi),%r15
+ mov 8(%rsi),%r14
+ mov 16(%rsi),%r13
+ mov 24(%rsi),%r12
+ mov 32(%rsi),%rbp
+ mov 40(%rsi),%rbx
+ lea 48(%rsi),%rsp
+.Lepilogue:
ret
.size $func,.-$func
___
___
}
+# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
+# CONTEXT *context,DISPATCHER_CONTEXT *disp)
+if ($win64) {
+$rec="%rcx";
+$frame="%rdx";
+$context="%r8";
+$disp="%r9";
+
+$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($context),%rax # pull context->Rsp
+
+ lea .Lepilogue(%rip),%r10
+ cmp %r10,%rbx # context->Rip>=.Lepilogue
+ jae .Lin_prologue
+
+ mov 16*$SZ+3*8(%rax),%rax # pull $_rsp
+ lea 48(%rax),%rax
+
+ mov -8(%rax),%rbx
+ mov -16(%rax),%rbp
+ mov -24(%rax),%r12
+ mov -32(%rax),%r13
+ mov -40(%rax),%r14
+ mov -48(%rax),%r15
+ mov %rbx,144($context) # restore context->Rbx
+ mov %rbp,160($context) # restore context->Rbp
+ mov %r12,216($context) # restore context->R12
+ mov %r13,224($context) # restore context->R13
+ mov %r14,232($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 $disp,%rsi
+ xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER
+ mov 8(%rsi),%rdx # arg2, disp->ImageBase
+ mov 0(%rsi),%r8 # arg3, disp->ControlPc
+ mov 16(%rsi),%r9 # arg4, disp->FunctionEntry
+ mov 40(%rsi),%r10 # disp->ContextRecord
+ lea 56(%rsi),%r11 # &disp->HandlerData
+ lea 24(%rsi),%r12 # &disp->EstablisherFrame
+ mov %r10,32(%rsp) # arg5
+ mov %r11,40(%rsp) # arg6
+ mov %r12,48(%rsp) # arg7
+ mov %rcx,56(%rsp) # arg8, (NULL)
+ call *__imp_RtlVirtualUnwind(%rip)
+
+ mov \$1,%eax # ExceptionContinueSearch
+ add \$64,%rsp
+ popfq
+ pop %r15
+ pop %r14
+ pop %r13
+ pop %r12
+ pop %rbp
+ pop %rbx
+ pop %rdi
+ pop %rsi
+ ret
+.size se_handler,.-se_handler
+
+.section .pdata
+.align 4
+ .rva .LSEH_begin_$func
+ .rva .LSEH_end_$func
+ .rva .LSEH_info_$func
+
+.section .xdata
+.align 8
+.LSEH_info_$func:
+ .byte 9,0,0,0
+ .rva se_handler
+___
+}
+
$code =~ s/\`([^\`]*)\`/eval $1/gem;
print $code;
close STDOUT;
projects / openssl.git / blobdiff