1 //===-- TargetFrameInfo.cpp - Implement machine frame interface -*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Implements the layout of a stack frame on the target machine.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/Target/TargetFrameInfo.h"
19 //===--------------------------------------------------------------------===//
20 // These methods provide details of the stack frame used by Sparc, thus they
21 // are Sparc specific.
22 //===--------------------------------------------------------------------===//
24 // This method adjusts a stack offset to meet alignment rules of target.
26 TargetFrameInfo::adjustAlignment(int unalignedOffset, bool growUp,
27 unsigned align) const {
32 // These methods compute offsets using the frame contents for a particular
33 // function. The frame contents are obtained from the MachineFunction object
34 // for the given function. The rest must be implemented by the
35 // machine-specific subclass.
38 TargetFrameInfo::getIncomingArgOffset(MachineFunction& mcInfo, unsigned argNum)
45 TargetFrameInfo::getOutgoingArgOffset(MachineFunction& mcInfo,
46 unsigned argNum) const {
52 TargetFrameInfo::getFirstAutomaticVarOffset(MachineFunction& mcInfo,
59 TargetFrameInfo::getRegSpillAreaOffset(MachineFunction& mcInfo, bool& growUp)
66 TargetFrameInfo::getTmpAreaOffset(MachineFunction& mcInfo, bool& growUp) const {
72 TargetFrameInfo::getDynamicAreaOffset(MachineFunction& mcInfo, bool& growUp)