ad09d80ac6
sources.
Here's a detailed list of the changes:
Renamed files and classes that were inappropriately named, i.e. the
names started with 'x86Win32', but the code was for generic x86, not
specific to Win32.
Segregated the 64-bit arithmetic code into an OS-independent
x86Arith64.{cpp,h}
git-svn-id: svn://10.0.0.236/trunk@22229 18797224-902f-48f8-a5cc-f745e15eee43
116 lines
3.3 KiB
C++
116 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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//
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// File: x86Formatter.h
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//
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// Authors: Peter DeSantis
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// Simon Holmes a Court
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// Scott Silver
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//
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#ifndef X86_FORMATTER
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#define X86_FORMATTER
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#include "Fundamentals.h"
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#include "FormatStructures.h" // for FCI, StackFrameInfo
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#include "x86Emitter.h" // temp?
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const int kStackSlotSize = 8;
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//-----------------------------------------------------------------------------------------------------------
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// x86StackFrameInfo
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class x86StackFrameInfo :
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public StackFrameInfo
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{
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public:
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x86StackFrameInfo() { }
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void init(VirtualRegisterManager& inVRManager)
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{
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// eventually the register allocator will tell us all this information
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numSavedGPRs = 3;
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numSavedFPRs = 0;
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numMonitorSlots = 0;
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localStore_bytes = inVRManager.nUsedStackSlots * kStackSlotSize;
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StackFrameInfo::init(inVRManager);
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}
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// return number of bytes than EBP of the stack slot
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Int32 getStackSlotOffset(VirtualRegister& inVr)
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{
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assert(hasBeenInited);
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assert(inVr.getClass() == StackSlotRegister);
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return (inVr.getColor() * - kStackSlotSize) - kStackSlotSize;
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}
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private:
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};
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//-----------------------------------------------------------------------------------------------------------
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// x86Formatter
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class x86Formatter
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{
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protected:
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Uint16 mNumberOfArgumentWords;
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Uint32 mFrameSize_words;
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Uint32 mPrologSize_bytes;
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Uint32 mEpilogSize_bytes;
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x86StackFrameInfo mStackFrameInfo;
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// later should be object, not pointer
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FormattedCodeInfo mFCI; // cached format info
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public:
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// fields
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const MdEmitter& mEmitter;
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// methods
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x86Formatter(const MdEmitter& inEmitter) : mEmitter(inEmitter) { }
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void calculatePrologEpilog(Method& /*inMethod*/, Uint32& outPrologSize, Uint32& outEpilogSize);
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void formatEpilogToMemory(void* inWhere);
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void formatPrologToMemory(void* inWhere);
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void beginFormatting(const FormattedCodeInfo& inInfo);
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void endFormatting(const FormattedCodeInfo& /*inInfo*/) { }
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void calculatePrePostMethod(Method& /*inMethod*/, Uint32& outPreMethodSize, Uint32& outPostMethodSize) { outPreMethodSize = outPostMethodSize = 0; }
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void formatPostMethodToMemory(void* /*inWhere*/, const FormattedCodeInfo& /*inInfo*/) { }
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void formatPreMethodToMemory(void* /*inWhere*/, const FormattedCodeInfo& /*inInfo*/) { }
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// stack frame stuff
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void initStackFrameInfo();
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StackFrameInfo& getStackFrameInfo() {return mStackFrameInfo; }
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Int32 getStackSlotOffset(VirtualRegister& inVr) { return mStackFrameInfo.getStackSlotOffset(inVr); }
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Uint8* createTransitionVector(const FormattedCodeInfo& inInfo);
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Uint8* getMethodBegin();
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};
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#ifdef DEBUG_LOG
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void* disassemble1(LogModuleObject &f, void* inFrom);
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#endif
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#endif // X86_FORMATTER
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