diff options
Diffstat (limited to 'Source/JavaScriptCore/jit/JITStubsX86.h')
| -rw-r--r-- | Source/JavaScriptCore/jit/JITStubsX86.h | 649 |
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 |