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authorLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
commit1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch)
tree46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/JavaScriptCore/jit/JITStubsX86.h
parent32761a6cee1d0dee366b885b7b9c777e67885688 (diff)
downloadWebKitGtk-tarball-master.tar.gz
Diffstat (limited to 'Source/JavaScriptCore/jit/JITStubsX86.h')
-rw-r--r--Source/JavaScriptCore/jit/JITStubsX86.h649
1 files changed, 0 insertions, 649 deletions
diff --git a/Source/JavaScriptCore/jit/JITStubsX86.h b/Source/JavaScriptCore/jit/JITStubsX86.h
deleted file mode 100644
index 7a26a5afa..000000000
--- a/Source/JavaScriptCore/jit/JITStubsX86.h
+++ /dev/null
@@ -1,649 +0,0 @@
-/*
- * Copyright (C) 2008, 2009, 2013 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Cameron Zwarich <cwzwarich@uwaterloo.ca>
- * Copyright (C) Research In Motion Limited 2010, 2011. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef JITStubsX86_h
-#define JITStubsX86_h
-
-#include "JITStubsX86Common.h"
-#include <wtf/InlineASM.h>
-
-#if !CPU(X86)
-#error "JITStubsX86.h should only be #included if CPU(X86)"
-#endif
-
-#if !USE(JSVALUE32_64)
-#error "JITStubsX86.h only implements USE(JSVALUE32_64)"
-#endif
-
-namespace JSC {
-
-#if COMPILER(GCC)
-
-#if USE(MASM_PROBE)
-asm (
-".globl " SYMBOL_STRING(ctiMasmProbeTrampoline) "\n"
-HIDE_SYMBOL(ctiMasmProbeTrampoline) "\n"
-SYMBOL_STRING(ctiMasmProbeTrampoline) ":" "\n"
-
- "pushfd" "\n"
-
- // MacroAssembler::probe() has already generated code to store some values.
- // Together with the eflags pushed above, the top of stack now looks like
- // this:
- // esp[0 * ptrSize]: eflags
- // esp[1 * ptrSize]: return address / saved eip
- // esp[2 * ptrSize]: probeFunction
- // esp[3 * ptrSize]: arg1
- // esp[4 * ptrSize]: arg2
- // esp[5 * ptrSize]: saved eax
- // esp[6 * ptrSize]: saved esp
-
- "movl %esp, %eax" "\n"
- "subl $" STRINGIZE_VALUE_OF(PROBE_SIZE) ", %esp" "\n"
-
- // The X86_64 ABI specifies that the worse case stack alignment requirement
- // is 32 bytes.
- "andl $~0x1f, %esp" "\n"
-
- "movl %ebp, " STRINGIZE_VALUE_OF(PROBE_CPU_EBP_OFFSET) "(%esp)" "\n"
- "movl %esp, %ebp" "\n" // Save the ProbeContext*.
-
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_ECX_OFFSET) "(%ebp)" "\n"
- "movl %edx, " STRINGIZE_VALUE_OF(PROBE_CPU_EDX_OFFSET) "(%ebp)" "\n"
- "movl %ebx, " STRINGIZE_VALUE_OF(PROBE_CPU_EBX_OFFSET) "(%ebp)" "\n"
- "movl %esi, " STRINGIZE_VALUE_OF(PROBE_CPU_ESI_OFFSET) "(%ebp)" "\n"
- "movl %edi, " STRINGIZE_VALUE_OF(PROBE_CPU_EDI_OFFSET) "(%ebp)" "\n"
-
- "movl 0 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_EFLAGS_OFFSET) "(%ebp)" "\n"
- "movl 1 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_EIP_OFFSET) "(%ebp)" "\n"
- "movl 2 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_PROBE_FUNCTION_OFFSET) "(%ebp)" "\n"
- "movl 3 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_ARG1_OFFSET) "(%ebp)" "\n"
- "movl 4 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_ARG2_OFFSET) "(%ebp)" "\n"
- "movl 5 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_EAX_OFFSET) "(%ebp)" "\n"
- "movl 6 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_ESP_OFFSET) "(%ebp)" "\n"
-
- "movdqa %xmm0, " STRINGIZE_VALUE_OF(PROBE_CPU_XMM0_OFFSET) "(%ebp)" "\n"
- "movdqa %xmm1, " STRINGIZE_VALUE_OF(PROBE_CPU_XMM1_OFFSET) "(%ebp)" "\n"
- "movdqa %xmm2, " STRINGIZE_VALUE_OF(PROBE_CPU_XMM2_OFFSET) "(%ebp)" "\n"
- "movdqa %xmm3, " STRINGIZE_VALUE_OF(PROBE_CPU_XMM3_OFFSET) "(%ebp)" "\n"
- "movdqa %xmm4, " STRINGIZE_VALUE_OF(PROBE_CPU_XMM4_OFFSET) "(%ebp)" "\n"
- "movdqa %xmm5, " STRINGIZE_VALUE_OF(PROBE_CPU_XMM5_OFFSET) "(%ebp)" "\n"
- "movdqa %xmm6, " STRINGIZE_VALUE_OF(PROBE_CPU_XMM6_OFFSET) "(%ebp)" "\n"
- "movdqa %xmm7, " STRINGIZE_VALUE_OF(PROBE_CPU_XMM7_OFFSET) "(%ebp)" "\n"
-
- // Reserve stack space for the arg while maintaining the required stack
- // pointer 32 byte alignment:
- "subl $0x20, %esp" "\n"
- "movl %ebp, 0(%esp)" "\n" // the ProbeContext* arg.
-
- "call *" STRINGIZE_VALUE_OF(PROBE_PROBE_FUNCTION_OFFSET) "(%ebp)" "\n"
-
- // To enable probes to modify register state, we copy all registers
- // out of the ProbeContext before returning.
-
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EDX_OFFSET) "(%ebp), %edx" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EBX_OFFSET) "(%ebp), %ebx" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_ESI_OFFSET) "(%ebp), %esi" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EDI_OFFSET) "(%ebp), %edi" "\n"
-
- "movdqa " STRINGIZE_VALUE_OF(PROBE_CPU_XMM0_OFFSET) "(%ebp), %xmm0" "\n"
- "movdqa " STRINGIZE_VALUE_OF(PROBE_CPU_XMM1_OFFSET) "(%ebp), %xmm1" "\n"
- "movdqa " STRINGIZE_VALUE_OF(PROBE_CPU_XMM2_OFFSET) "(%ebp), %xmm2" "\n"
- "movdqa " STRINGIZE_VALUE_OF(PROBE_CPU_XMM3_OFFSET) "(%ebp), %xmm3" "\n"
- "movdqa " STRINGIZE_VALUE_OF(PROBE_CPU_XMM4_OFFSET) "(%ebp), %xmm4" "\n"
- "movdqa " STRINGIZE_VALUE_OF(PROBE_CPU_XMM5_OFFSET) "(%ebp), %xmm5" "\n"
- "movdqa " STRINGIZE_VALUE_OF(PROBE_CPU_XMM6_OFFSET) "(%ebp), %xmm6" "\n"
- "movdqa " STRINGIZE_VALUE_OF(PROBE_CPU_XMM7_OFFSET) "(%ebp), %xmm7" "\n"
-
- // There are 6 more registers left to restore:
- // eax, ecx, ebp, esp, eip, and eflags.
- // We need to handle these last few restores carefully because:
- //
- // 1. We need to push the return address on the stack for ret to use.
- // That means we need to write to the stack.
- // 2. The user probe function may have altered the restore value of esp to
- // point to the vicinity of one of the restore values for the remaining
- // registers left to be restored.
- // That means, for requirement 1, we may end up writing over some of the
- // restore values. We can check for this, and first copy the restore
- // values to a "safe area" on the stack before commencing with the action
- // for requirement 1.
- // 3. For requirement 2, we need to ensure that the "safe area" is
- // protected from interrupt handlers overwriting it. Hence, the esp needs
- // to be adjusted to include the "safe area" before we start copying the
- // the restore values.
-
- "movl %ebp, %eax" "\n"
- "addl $" STRINGIZE_VALUE_OF(PROBE_CPU_EFLAGS_OFFSET) ", %eax" "\n"
- "cmpl %eax, " STRINGIZE_VALUE_OF(PROBE_CPU_ESP_OFFSET) "(%ebp)" "\n"
- "jg " SYMBOL_STRING(ctiMasmProbeTrampolineEnd) "\n"
-
- // Locate the "safe area" at 2x sizeof(ProbeContext) below where the new
- // rsp will be. This time we don't have to 32-byte align it because we're
- // not using to store any xmm regs.
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_ESP_OFFSET) "(%ebp), %eax" "\n"
- "subl $2 * " STRINGIZE_VALUE_OF(PROBE_SIZE) ", %eax" "\n"
- "movl %eax, %esp" "\n"
-
- "subl $" STRINGIZE_VALUE_OF(PROBE_CPU_EAX_OFFSET) ", %eax" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EAX_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_EAX_OFFSET) "(%eax)" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_ECX_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_ECX_OFFSET) "(%eax)" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EBP_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_EBP_OFFSET) "(%eax)" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_ESP_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_ESP_OFFSET) "(%eax)" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EIP_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_EIP_OFFSET) "(%eax)" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EFLAGS_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, " STRINGIZE_VALUE_OF(PROBE_CPU_EFLAGS_OFFSET) "(%eax)" "\n"
- "movl %eax, %ebp" "\n"
-
-SYMBOL_STRING(ctiMasmProbeTrampolineEnd) ":" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_ESP_OFFSET) "(%ebp), %eax" "\n"
- "subl $5 * " STRINGIZE_VALUE_OF(PTR_SIZE) ", %eax" "\n"
- // At this point, %esp should be < %eax.
-
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EFLAGS_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, 0 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax)" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EAX_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, 1 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax)" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_ECX_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, 2 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax)" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EBP_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, 3 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax)" "\n"
- "movl " STRINGIZE_VALUE_OF(PROBE_CPU_EIP_OFFSET) "(%ebp), %ecx" "\n"
- "movl %ecx, 4 * " STRINGIZE_VALUE_OF(PTR_SIZE) "(%eax)" "\n"
- "movl %eax, %esp" "\n"
-
- "popfd" "\n"
- "popl %eax" "\n"
- "popl %ecx" "\n"
- "popl %ebp" "\n"
- "ret" "\n"
-);
-#endif // USE(MASM_PROBE)
-
-#if OS(WINDOWS)
-extern "C" {
-
- // FIXME: Since Windows doesn't use the LLInt, we have inline stubs here.
- // Until the LLInt is changed to support Windows, these stub needs to be updated.
- asm (
- ".globl " SYMBOL_STRING(callToJavaScript) "\n"
- HIDE_SYMBOL(callToJavaScript) "\n"
- SYMBOL_STRING(callToJavaScript) ":" "\n"
- "mov (%esp),%edx" "\n"
- "push %ebp" "\n"
- "mov %ebp,%eax" "\n"
- "mov %esp,%ebp" "\n"
- "push %esi" "\n"
- "push %edi" "\n"
- "push %ebx" "\n"
- "sub $0x1c,%esp" "\n"
- "mov 0x34(%esp),%ecx" "\n"
- "mov 0x38(%esp),%esi" "\n"
- "mov 0x3c(%esp),%ebp" "\n"
- "sub $0x20,%ebp" "\n"
- "movl $0x0,0x24(%ebp)" "\n"
- "movl $0x0,0x20(%ebp)" "\n"
- "movl $0x0,0x1c(%ebp)" "\n"
- "mov %ecx,0x18(%ebp)" "\n"
- "mov (%ecx),%ebx" "\n"
- "movl $0x0,0x14(%ebp)" "\n"
- "mov %ebx,0x10(%ebp)" "\n"
- "movl $0x0,0xc(%ebp)" "\n"
- "movl $0x1,0x8(%ebp)" "\n"
- "mov %edx,0x4(%ebp)" "\n"
- "mov %eax,0x0(%ebp)" "\n"
- "mov %ebp,%eax" "\n"
-
- "mov 0x28(%esi),%edx" "\n"
- "add $0x5,%edx" "\n"
- "shl $0x3,%edx" "\n"
- "sub %edx,%ebp" "\n"
- "mov %eax,0x0(%ebp)" "\n"
-
- "mov $0x5,%eax" "\n"
-
- ".copyHeaderLoop:" "\n"
- "sub $0x1,%eax" "\n"
- "mov (%esi,%eax,8),%ecx" "\n"
- "mov %ecx,0x8(%ebp,%eax,8)" "\n"
- "mov 0x4(%esi,%eax,8),%ecx" "\n"
- "mov %ecx,0xc(%ebp,%eax,8)" "\n"
- "test %eax,%eax" "\n"
- "jne .copyHeaderLoop" "\n"
-
- "mov 0x18(%esi),%edx" "\n"
- "sub $0x1,%edx" "\n"
- "mov 0x28(%esi),%ecx" "\n"
- "sub $0x1,%ecx" "\n"
-
- "cmp %ecx,%edx" "\n"
- "je .copyArgs" "\n"
-
- "xor %eax,%eax" "\n"
- "mov $0xfffffffc,%ebx" "\n"
-
- ".fillExtraArgsLoop:" "\n"
- "sub $0x1,%ecx" "\n"
- "mov %eax,0x30(%ebp,%ecx,8)" "\n"
- "mov %ebx,0x34(%ebp,%ecx,8)" "\n"
- "cmp %ecx,%edx" "\n"
- "jne .fillExtraArgsLoop" "\n"
-
- ".copyArgs:" "\n"
- "mov 0x2c(%esi),%eax" "\n"
-
- ".copyArgsLoop:" "\n"
- "test %edx,%edx" "\n"
- "je .copyArgsDone" "\n"
- "sub $0x1,%edx" "\n"
- "mov (%eax,%edx,8),%ecx" "\n"
- "mov 0x4(%eax,%edx,8),%ebx" "\n"
- "mov %ecx,0x30(%ebp,%edx,8)" "\n"
- "mov %ebx,0x34(%ebp,%edx,8)" "\n"
- "jmp .copyArgsLoop" "\n"
-
- ".copyArgsDone:" "\n"
- "mov 0x34(%esp),%ecx" "\n"
- "mov %ebp,(%ecx)" "\n"
-
- "call *0x30(%esp)" "\n"
-
- "cmpl $0x1,0x8(%ebp)" "\n"
- "je .calleeFramePopped" "\n"
- "mov 0x0(%ebp),%ebp" "\n"
-
- ".calleeFramePopped:" "\n"
- "mov 0x18(%ebp),%ecx" "\n"
- "mov 0x10(%ebp),%ebx" "\n"
- "mov %ebx,(%ecx)" "\n"
-
- "add $0x1c,%esp" "\n"
- "pop %ebx" "\n"
- "pop %edi" "\n"
- "pop %esi" "\n"
- "pop %ebp" "\n"
- "ret" "\n"
-
- ".globl " SYMBOL_STRING(returnFromJavaScript) "\n"
- HIDE_SYMBOL(returnFromJavaScript) "\n"
- SYMBOL_STRING(returnFromJavaScript) ":" "\n"
- "add $0x1c,%esp" "\n"
- "pop %ebx" "\n"
- "pop %edi" "\n"
- "pop %esi" "\n"
- "pop %ebp" "\n"
- "ret" "\n"
-
- ".globl " SYMBOL_STRING(callToNativeFunction) "\n"
- HIDE_SYMBOL(callToNativeFunction) "\n"
- SYMBOL_STRING(callToNativeFunction) ":" "\n"
- "mov (%esp),%edx" "\n"
- "push %ebp" "\n"
- "mov %ebp,%eax" "\n"
- "mov %esp,%ebp" "\n"
- "push %esi" "\n"
- "push %edi" "\n"
- "push %ebx" "\n"
- "sub $0x1c,%esp" "\n"
- "mov 0x34(%esp),%ecx" "\n"
- "mov 0x38(%esp),%esi" "\n"
- "mov 0x3c(%esp),%ebp" "\n"
- "sub $0x20,%ebp" "\n"
- "movl $0x0,0x24(%ebp)" "\n"
- "movl $0x0,0x20(%ebp)" "\n"
- "movl $0x0,0x1c(%ebp)" "\n"
- "mov %ecx,0x18(%ebp)" "\n"
- "mov (%ecx),%ebx" "\n"
- "movl $0x0,0x14(%ebp)" "\n"
- "mov %ebx,0x10(%ebp)" "\n"
- "movl $0x0,0xc(%ebp)" "\n"
- "movl $0x1,0x8(%ebp)" "\n"
- "mov %edx,0x4(%ebp)" "\n"
- "mov %eax,0x0(%ebp)" "\n"
- "mov %ebp,%eax" "\n"
-
- "mov 0x28(%esi),%edx" "\n"
- "add $0x5,%edx" "\n"
- "shl $0x3,%edx" "\n"
- "sub %edx,%ebp" "\n"
- "mov %eax,0x0(%ebp)" "\n"
-
- "mov $0x5,%eax" "\n"
-
- "copyHeaderLoop:" "\n"
- "sub $0x1,%eax" "\n"
- "mov (%esi,%eax,8),%ecx" "\n"
- "mov %ecx,0x8(%ebp,%eax,8)" "\n"
- "mov 0x4(%esi,%eax,8),%ecx" "\n"
- "mov %ecx,0xc(%ebp,%eax,8)" "\n"
- "test %eax,%eax" "\n"
- "jne copyHeaderLoop" "\n"
-
- "mov 0x18(%esi),%edx" "\n"
- "sub $0x1,%edx" "\n"
- "mov 0x28(%esi),%ecx" "\n"
- "sub $0x1,%ecx" "\n"
-
- "cmp %ecx,%edx" "\n"
- "je copyArgs" "\n"
-
- "xor %eax,%eax" "\n"
- "mov $0xfffffffc,%ebx" "\n"
-
- "fillExtraArgsLoop:" "\n"
- "sub $0x1,%ecx" "\n"
- "mov %eax,0x30(%ebp,%ecx,8)" "\n"
- "mov %ebx,0x34(%ebp,%ecx,8)" "\n"
- "cmp %ecx,%edx" "\n"
- "jne fillExtraArgsLoop" "\n"
-
- "copyArgs:" "\n"
- "mov 0x2c(%esi),%eax" "\n"
-
- "copyArgsLoop:" "\n"
- "test %edx,%edx" "\n"
- "je copyArgsDone" "\n"
- "sub $0x1,%edx" "\n"
- "mov (%eax,%edx,8),%ecx" "\n"
- "mov 0x4(%eax,%edx,8),%ebx" "\n"
- "mov %ecx,0x30(%ebp,%edx,8)" "\n"
- "mov %ebx,0x34(%ebp,%edx,8)" "\n"
- "jmp copyArgsLoop" "\n"
-
- "copyArgsDone:" "\n"
- "mov 0x34(%esp),%ecx" "\n"
- "mov %ebp,(%ecx)" "\n"
-
- "mov 0x30(%esp),%edi" "\n"
- "mov %ebp,0x30(%esp)" "\n"
- "mov %ebp,%ecx" "\n"
- "call *%edi" "\n"
-
- "cmpl $0x1,0x8(%ebp)" "\n"
- "je calleeFramePopped" "\n"
- "mov 0x0(%ebp),%ebp" "\n"
-
- "calleeFramePopped:" "\n"
- "mov 0x18(%ebp),%ecx" "\n"
- "mov 0x10(%ebp),%ebx" "\n"
- "mov %ebx,(%ecx)" "\n"
-
- "add $0x1c,%esp" "\n"
- "pop %ebx" "\n"
- "pop %edi" "\n"
- "pop %esi" "\n"
- "pop %ebp" "\n"
- "ret" "\n"
- );
-}
-
-#endif // OS(WINDOWS)
-
-#endif // COMPILER(GCC)
-
-#if COMPILER(MSVC)
-
-extern "C" {
-
- // FIXME: Since Windows doesn't use the LLInt, we have inline stubs here.
- // Until the LLInt is changed to support Windows, these stub needs to be updated.
- __declspec(naked) EncodedJSValue callToJavaScript(void* code, ExecState**, ProtoCallFrame*, Register*)
- {
- __asm {
- mov edx, [esp]
- push ebp;
- mov eax, ebp;
- mov ebp, esp;
- push esi;
- push edi;
- push ebx;
- sub esp, 0x1c;
- mov ecx, dword ptr[esp + 0x34];
- mov esi, dword ptr[esp + 0x38];
- mov ebp, dword ptr[esp + 0x3c];
- sub ebp, 0x20;
- mov dword ptr[ebp + 0x24], 0;
- mov dword ptr[ebp + 0x20], 0;
- mov dword ptr[ebp + 0x1c], 0;
- mov dword ptr[ebp + 0x18], ecx;
- mov ebx, [ecx];
- mov dword ptr[ebp + 0x14], 0;
- mov dword ptr[ebp + 0x10], ebx;
- mov dword ptr[ebp + 0xc], 0;
- mov dword ptr[ebp + 0x8], 1;
- mov dword ptr[ebp + 0x4], edx;
- mov dword ptr[ebp], eax;
- mov eax, ebp;
-
- mov edx, dword ptr[esi + 0x28];
- add edx, 5;
- sal edx, 3;
- sub ebp, edx;
- mov dword ptr[ebp], eax;
-
- mov eax, 5;
-
- copyHeaderLoop:
- sub eax, 1;
- mov ecx, dword ptr[esi + eax * 8];
- mov dword ptr 8[ebp + eax * 8], ecx;
- mov ecx, dword ptr 4[esi + eax * 8];
- mov dword ptr 12[ebp + eax * 8], ecx;
- test eax, eax;
- jnz copyHeaderLoop;
-
- mov edx, dword ptr[esi + 0x18];
- sub edx, 1;
- mov ecx, dword ptr[esi + 0x28];
- sub ecx, 1;
-
- cmp edx, ecx;
- je copyArgs;
-
- xor eax, eax;
- mov ebx, -4;
-
- fillExtraArgsLoop:
- sub ecx, 1;
- mov dword ptr 0x30[ebp + ecx * 8], eax;
- mov dword ptr 0x34[ebp + ecx * 8], ebx;
- cmp edx, ecx;
- jne fillExtraArgsLoop;
-
- copyArgs:
- mov eax, dword ptr[esi + 0x2c];
-
- copyArgsLoop:
- test edx, edx;
- jz copyArgsDone;
- sub edx, 1;
- mov ecx, dword ptr 0[eax + edx * 8];
- mov ebx, dword ptr 4[eax + edx * 8];
- mov dword ptr 0x30[ebp + edx * 8], ecx;
- mov dword ptr 0x34[ebp + edx * 8], ebx;
- jmp copyArgsLoop;
-
- copyArgsDone:
- mov ecx, dword ptr[esp + 0x34];
- mov dword ptr[ecx], ebp;
-
- call dword ptr[esp + 0x30];
-
- cmp dword ptr[ebp + 8], 1;
- je calleeFramePopped;
- mov ebp, dword ptr[ebp];
-
- calleeFramePopped:
- mov ecx, dword ptr[ebp + 0x18];
- mov ebx, dword ptr[ebp + 0x10];
- mov dword ptr[ecx], ebx;
-
- add esp, 0x1c;
- pop ebx;
- pop edi;
- pop esi;
- pop ebp;
- ret;
- }
- }
-
- __declspec(naked) void returnFromJavaScript()
- {
- __asm {
- add esp, 0x1c;
- pop ebx;
- pop edi;
- pop esi;
- pop ebp;
- ret;
- }
- }
-
- __declspec(naked) EncodedJSValue callToNativeFunction(void* code, ExecState**, ProtoCallFrame*, Register*)
- {
- __asm {
- mov edx, [esp]
- push ebp;
- mov eax, ebp;
- mov ebp, esp;
- push esi;
- push edi;
- push ebx;
- sub esp, 0x1c;
- mov ecx, [esp + 0x34];
- mov esi, [esp + 0x38];
- mov ebp, [esp + 0x3c];
- sub ebp, 0x20;
- mov dword ptr[ebp + 0x24], 0;
- mov dword ptr[ebp + 0x20], 0;
- mov dword ptr[ebp + 0x1c], 0;
- mov dword ptr[ebp + 0x18], ecx;
- mov ebx, [ecx];
- mov dword ptr[ebp + 0x14], 0;
- mov dword ptr[ebp + 0x10], ebx;
- mov dword ptr[ebp + 0xc], 0;
- mov dword ptr[ebp + 0x8], 1;
- mov dword ptr[ebp + 0x4], edx;
- mov dword ptr[ebp], eax;
- mov eax, ebp;
-
- mov edx, dword ptr[esi + 0x28];
- add edx, 5;
- sal edx, 3;
- sub ebp, edx;
- mov dword ptr[ebp], eax;
-
- mov eax, 5;
-
- copyHeaderLoop:
- sub eax, 1;
- mov ecx, dword ptr[esi + eax * 8];
- mov dword ptr 8[ebp + eax * 8], ecx;
- mov ecx, dword ptr 4[esi + eax * 8];
- mov dword ptr 12[ebp + eax * 8], ecx;
- test eax, eax;
- jnz copyHeaderLoop;
-
- mov edx, dword ptr[esi + 0x18];
- sub edx, 1;
- mov ecx, dword ptr[esi + 0x28];
- sub ecx, 1;
-
- cmp edx, ecx;
- je copyArgs;
-
- xor eax, eax;
- mov ebx, -4;
-
- fillExtraArgsLoop:
- sub ecx, 1;
- mov dword ptr 0x30[ebp + ecx * 8], eax;
- mov dword ptr 0x34[ebp + ecx * 8], ebx;
- cmp edx, ecx;
- jne fillExtraArgsLoop;
-
- copyArgs:
- mov eax, dword ptr[esi + 0x2c];
-
- copyArgsLoop:
- test edx, edx;
- jz copyArgsDone;
- sub edx, 1;
- mov ecx, dword ptr 0[eax + edx * 8];
- mov ebx, dword ptr 4[eax + edx * 8];
- mov dword ptr 0x30[ebp + edx * 8], ecx;
- mov dword ptr 0x34[ebp + edx * 8], ebx;
- jmp copyArgsLoop;
-
- copyArgsDone:
- mov ecx, dword ptr[esp + 0x34];
- mov dword ptr[ecx], ebp;
-
- mov edi, dword ptr[esp + 0x30];
- mov dword ptr[esp + 0x30], ebp;
- mov ecx, ebp;
- call edi;
-
- cmp dword ptr[ebp + 8], 1;
- je calleeFramePopped;
- mov ebp, dword ptr[ebp];
-
- calleeFramePopped:
- mov ecx, dword ptr[ebp + 0x18];
- mov ebx, dword ptr[ebp + 0x10];
- mov dword ptr[ecx], ebx;
-
- add esp, 0x1c;
- pop ebx;
- pop edi;
- pop esi;
- pop ebp;
- ret;
- }
- }
-}
-
-#endif // COMPILER(MSVC)
-
-} // namespace JSC
-
-#endif // JITStubsX86_h