.align 16
.Lmul_enter:
+ mov ${num}d,${num}d
mov `($win64?56:8)`(%rsp),%r10d # load 7th argument
push %rbx
push %rbp
push %r13
push %r14
push %r15
-
- mov ${num}d,${num}d
- lea 2($num),%r11
+___
+$code.=<<___ if ($win64);
+ lea -0x28(%rsp),%rsp
+ movaps %xmm6,(%rsp)
+ movaps %xmm7,0x10(%rsp)
+.Lmul_alloca:
+___
+$code.=<<___;
mov %rsp,%rax
+ lea 2($num),%r11
neg %r11
lea (%rsp,%r11,8),%rsp # tp=alloca(8*(num+2))
and \$-1024,%rsp # minimize TLB usage
mov 8(%rsp,$num,8),%rsi # restore %rsp
mov \$1,%rax
+___
+$code.=<<___ if ($win64);
+ movaps (%rsi),%xmm6
+ movaps 0x10(%rsi),%xmm7
+ lea 0x28(%rsi),%rsi
+___
+$code.=<<___;
mov (%rsi),%r15
mov 8(%rsi),%r14
mov 16(%rsi),%r13
.align 16
bn_mul4x_mont_gather5:
.Lmul4x_enter:
+ mov ${num}d,${num}d
mov `($win64?56:8)`(%rsp),%r10d # load 7th argument
push %rbx
push %rbp
push %r13
push %r14
push %r15
-
- mov ${num}d,${num}d
+___
+$code.=<<___ if ($win64);
+ lea -0x28(%rsp),%rsp
+ movaps %xmm6,(%rsp)
+ movaps %xmm7,0x10(%rsp)
+.Lmul4x_alloca:
+___
+$code.=<<___;
+ mov %rsp,%rax
lea 4($num),%r11
- mov %rsp,%rax # !!!!
neg %r11
lea (%rsp,%r11,8),%rsp # tp=alloca(8*(num+4))
and \$-1024,%rsp # minimize TLB usage
$code.=<<___;
mov 8(%rsp,$num,8),%rsi # restore %rsp
mov \$1,%rax
+___
+$code.=<<___ if ($win64);
+ movaps (%rsi),%xmm6
+ movaps 0x10(%rsi),%xmm7
+ lea 0x28(%rsi),%rsi
+___
+$code.=<<___;
mov (%rsi),%r15
mov 8(%rsi),%r14
mov 16(%rsi),%r13
.asciz "Montgomery Multiplication with scatter/gather for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
___
+# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
+# CONTEXT *context,DISPATCHER_CONTEXT *disp)
+if ($win64) {
+$rec="%rcx";
+$frame="%rdx";
+$context="%r8";
+$disp="%r9";
+
+$code.=<<___;
+.extern __imp_RtlVirtualUnwind
+.type mul_handler,\@abi-omnipotent
+.align 16
+mul_handler:
+ push %rsi
+ push %rdi
+ push %rbx
+ push %rbp
+ push %r12
+ push %r13
+ push %r14
+ push %r15
+ pushfq
+ sub \$64,%rsp
+
+ mov 120($context),%rax # pull context->Rax
+ mov 248($context),%rbx # pull context->Rip
+
+ mov 8($disp),%rsi # disp->ImageBase
+ mov 56($disp),%r11 # disp->HandlerData
+
+ mov 0(%r11),%r10d # HandlerData[0]
+ lea (%rsi,%r10),%r10 # end of prologue label
+ cmp %r10,%rbx # context->Rip<end of prologue label
+ jb .Lcommon_seh_tail
+
+ lea `40+48`(%rax),%rax
+
+ mov 4(%r11),%r10d # HandlerData[1]
+ lea (%rsi,%r10),%r10 # end of alloca label
+ cmp %r10,%rbx # context->Rip<end of alloca label
+ jb .Lcommon_seh_tail
+
+ mov 152($context),%rax # pull context->Rsp
+
+ mov 8(%r11),%r10d # HandlerData[2]
+ lea (%rsi,%r10),%r10 # epilogue label
+ cmp %r10,%rbx # context->Rip>=epilogue label
+ jae .Lcommon_seh_tail
+
+ mov 192($context),%r10 # pull $num
+ mov 8(%rax,%r10,8),%rax # pull saved stack pointer
+
+ movaps (%rax),%xmm0
+ movaps 16(%rax),%xmm1
+ lea `40+48`(%rax),%rax
+
+ mov -8(%rax),%rbx
+ mov -16(%rax),%rbp
+ mov -24(%rax),%r12
+ mov -32(%rax),%r13
+ mov -40(%rax),%r14
+ mov -48(%rax),%r15
+ mov %rbx,144($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($context) # restore context->R15
+ movups %xmm0,512($context) # restore context->Xmm6
+ movups %xmm1,528($context) # restore context->Xmm7
+
+.Lcommon_seh_tail:
+ mov 8(%rax),%rdi
+ mov 16(%rax),%rsi
+ mov %rax,152($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 mul_handler,.-mul_handler
+
+.section .pdata
+.align 4
+ .rva .LSEH_begin_bn_mul_mont_gather5
+ .rva .LSEH_end_bn_mul_mont_gather5
+ .rva .LSEH_info_bn_mul_mont_gather5
+
+ .rva .LSEH_begin_bn_mul4x_mont_gather5
+ .rva .LSEH_end_bn_mul4x_mont_gather5
+ .rva .LSEH_info_bn_mul4x_mont_gather5
+
+.section .xdata
+.align 8
+.LSEH_info_bn_mul_mont_gather5:
+ .byte 9,0,0,0
+ .rva mul_handler
+ .rva .Lmul_alloca,.Lmul_body,.Lmul_epilogue # HandlerData[]
+.align 8
+.LSEH_info_bn_mul4x_mont_gather5:
+ .byte 9,0,0,0
+ .rva mul_handler
+ .rva .Lmul4x_alloca,.Lmul4x_body,.Lmul4x_epilogue # HandlerData[]
+.align 8
+___
+}
+
$code =~ s/\`([^\`]*)\`/eval($1)/gem;
print $code;
projects / openssl.git / blobdiff