LLVM API Documentation
00001 //===-- TargetFrameInfo.cpp - Implement machine frame interface -*- C++ -*-===// 00002 // 00003 // The LLVM Compiler Infrastructure 00004 // 00005 // This file was developed by the LLVM research group and is distributed under 00006 // the University of Illinois Open Source License. See LICENSE.TXT for details. 00007 // 00008 //===----------------------------------------------------------------------===// 00009 // 00010 // Implements the layout of a stack frame on the target machine. 00011 // 00012 //===----------------------------------------------------------------------===// 00013 00014 #include "llvm/Target/TargetFrameInfo.h" 00015 #include <cstdlib> 00016 00017 using namespace llvm; 00018 00019 //===--------------------------------------------------------------------===// 00020 // These methods provide details of the stack frame used by Sparc, thus they 00021 // are Sparc specific. 00022 //===--------------------------------------------------------------------===// 00023 00024 // This method adjusts a stack offset to meet alignment rules of target. 00025 int 00026 TargetFrameInfo::adjustAlignment(int unalignedOffset, bool growUp, 00027 unsigned align) const { abort(); } 00028 00029 // These methods compute offsets using the frame contents for a particular 00030 // function. The frame contents are obtained from the MachineFunction object 00031 // for the given function. The rest must be implemented by the 00032 // machine-specific subclass. 00033 // 00034 int 00035 TargetFrameInfo::getIncomingArgOffset(MachineFunction& mcInfo, unsigned argNum) 00036 const{ abort(); } 00037 00038 int 00039 TargetFrameInfo::getOutgoingArgOffset(MachineFunction& mcInfo, 00040 unsigned argNum) const { abort(); } 00041 00042 int 00043 TargetFrameInfo::getFirstAutomaticVarOffset(MachineFunction& mcInfo, 00044 bool& growUp) const { abort(); } 00045 00046 int 00047 TargetFrameInfo::getRegSpillAreaOffset(MachineFunction& mcInfo, bool& growUp) 00048 const { abort(); } 00049 00050 int 00051 TargetFrameInfo::getTmpAreaOffset(MachineFunction& mcInfo, bool& growUp) const 00052 { abort(); } 00053 00054 int 00055 TargetFrameInfo::getDynamicAreaOffset(MachineFunction& mcInfo, bool& growUp) 00056 const { abort(); } 00057