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/Target.pri | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'Source/JavaScriptCore/Target.pri') diff --git a/Source/JavaScriptCore/Target.pri b/Source/JavaScriptCore/Target.pri index f609de10b..e1da901c1 100644 --- a/Source/JavaScriptCore/Target.pri +++ b/Source/JavaScriptCore/Target.pri @@ -297,6 +297,19 @@ linux-*:if(isEqual(QT_ARCH, "i386")|isEqual(QT_ARCH, "x86_64")) { disassembler/udis86/udis86_syn.c \ } +win32:!win32-g++*:isEqual(QT_ARCH, "x86_64"):{ + asm_compiler.commands = ml64 /c + asm_compiler.commands += /Fo ${QMAKE_FILE_OUT} ${QMAKE_FILE_IN} + asm_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)} + asm_compiler.input = ASM_SOURCES + asm_compiler.variable_out = OBJECTS + asm_compiler.name = compiling[asm] ${QMAKE_FILE_IN} + silent:asm_compiler.commands = @echo compiling[asm] ${QMAKE_FILE_IN} && $$asm_compiler.commands + QMAKE_EXTRA_COMPILERS += asm_compiler + + ASM_SOURCES += jit/JITStubsMSVC64.asm +} + HEADERS += $$files(*.h, true) *sh4* { -- cgit v1.2.1