From fad1b063ed174a07392561c0323355115aa66992 Mon Sep 17 00:00:00 2001 From: Jocelyn Turcotte Date: Tue, 26 Feb 2013 13:04:28 +0000 Subject: Implement JIT on Windows 64 bits https://bugs.webkit.org/show_bug.cgi?id=107965 Reviewed by Simon Hausmann. Source/JavaScriptCore: 1. MSVC doesn't support inline assembly for 64 bits, implements the trampoline in a separate ASM file. 2. Windows 64 bits has a different calling convention than other OSes following the AMD64 ABI. Differences that we have to handle here: - Registers passed parameters are RCX, RDX, R8 and R9 instead of RDI, RSI, RDX, RCX, R8 and R9 - RDI and RSI must be preserved by callee - Only return values <= 8 bytes can be returned by register (RDX can't be used to return a second word) - There is no red-zone after RIP on the stack, but instead 4 reserved words before it * Target.pri: * jit/JITStubs.cpp: * jit/JITStubs.h: (JSC): (JITStackFrame): (JSC::JITStackFrame::returnAddressSlot): * jit/JITStubsMSVC64.asm: Added. * jit/JSInterfaceJIT.h: (JSInterfaceJIT): * jit/ThunkGenerators.cpp: (JSC::nativeForGenerator): * yarr/YarrJIT.cpp: (YarrGenerator): (JSC::Yarr::YarrGenerator::generateEnter): (JSC::Yarr::YarrGenerator::generateReturn): Source/WTF: * wtf/Platform.h: Change-Id: Ie1910350e36defcd427a95ceb9aa280fa61083e7 git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144043 268f45cc-cd09-0410-ab3c-d52691b4dbfc Reviewed-by: Jocelyn Turcotte --- Source/JavaScriptCore/jit/JSInterfaceJIT.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'Source/JavaScriptCore/jit/JSInterfaceJIT.h') diff --git a/Source/JavaScriptCore/jit/JSInterfaceJIT.h b/Source/JavaScriptCore/jit/JSInterfaceJIT.h index d2a91ba0a..ad546d963 100644 --- a/Source/JavaScriptCore/jit/JSInterfaceJIT.h +++ b/Source/JavaScriptCore/jit/JSInterfaceJIT.h @@ -57,22 +57,26 @@ namespace JSC { #if CPU(X86_64) static const RegisterID returnValueRegister = X86Registers::eax; static const RegisterID cachedResultRegister = X86Registers::eax; +#if !OS(WINDOWS) static const RegisterID firstArgumentRegister = X86Registers::edi; - +#else + static const RegisterID firstArgumentRegister = X86Registers::ecx; +#endif + #if ENABLE(VALUE_PROFILER) static const RegisterID bucketCounterRegister = X86Registers::r10; #endif - + static const RegisterID timeoutCheckRegister = X86Registers::r12; static const RegisterID callFrameRegister = X86Registers::r13; static const RegisterID tagTypeNumberRegister = X86Registers::r14; static const RegisterID tagMaskRegister = X86Registers::r15; - + static const RegisterID regT0 = X86Registers::eax; static const RegisterID regT1 = X86Registers::edx; static const RegisterID regT2 = X86Registers::ecx; static const RegisterID regT3 = X86Registers::ebx; - + static const FPRegisterID fpRegT0 = X86Registers::xmm0; static const FPRegisterID fpRegT1 = X86Registers::xmm1; static const FPRegisterID fpRegT2 = X86Registers::xmm2; -- cgit v1.2.1