Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 1 | //===-- TargetFrameInfo.cpp - Implement machine frame interface -*- C++ -*-===// |
Misha Brukman | f976c85 | 2005-04-21 22:55:34 +0000 | [diff] [blame^] | 2 | // |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 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. |
Misha Brukman | f976c85 | 2005-04-21 22:55:34 +0000 | [diff] [blame^] | 7 | // |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // Implements the layout of a stack frame on the target machine. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "llvm/Target/TargetFrameInfo.h" |
| 15 | #include <cstdlib> |
| 16 | |
| 17 | using namespace llvm; |
| 18 | |
| 19 | //===--------------------------------------------------------------------===// |
| 20 | // These methods provide details of the stack frame used by Sparc, thus they |
| 21 | // are Sparc specific. |
| 22 | //===--------------------------------------------------------------------===// |
| 23 | |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 24 | // This method adjusts a stack offset to meet alignment rules of target. |
Misha Brukman | f976c85 | 2005-04-21 22:55:34 +0000 | [diff] [blame^] | 25 | int |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 26 | TargetFrameInfo::adjustAlignment(int unalignedOffset, bool growUp, |
Misha Brukman | 1fb623e | 2005-02-17 21:40:27 +0000 | [diff] [blame] | 27 | unsigned align) const { |
| 28 | abort(); |
| 29 | return 0; |
| 30 | } |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 31 | |
| 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. |
Misha Brukman | f976c85 | 2005-04-21 22:55:34 +0000 | [diff] [blame^] | 36 | // |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 37 | int |
| 38 | TargetFrameInfo::getIncomingArgOffset(MachineFunction& mcInfo, unsigned argNum) |
Misha Brukman | 1fb623e | 2005-02-17 21:40:27 +0000 | [diff] [blame] | 39 | const { |
| 40 | abort(); |
| 41 | return 0; |
| 42 | } |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 43 | |
| 44 | int |
| 45 | TargetFrameInfo::getOutgoingArgOffset(MachineFunction& mcInfo, |
Misha Brukman | 1fb623e | 2005-02-17 21:40:27 +0000 | [diff] [blame] | 46 | unsigned argNum) const { |
| 47 | abort(); |
| 48 | return 0; |
| 49 | } |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 50 | |
| 51 | int |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 52 | TargetFrameInfo::getFirstAutomaticVarOffset(MachineFunction& mcInfo, |
Misha Brukman | 1fb623e | 2005-02-17 21:40:27 +0000 | [diff] [blame] | 53 | bool& growUp) const { |
| 54 | abort(); |
| 55 | return 0; |
| 56 | } |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 57 | |
Misha Brukman | f976c85 | 2005-04-21 22:55:34 +0000 | [diff] [blame^] | 58 | int |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 59 | TargetFrameInfo::getRegSpillAreaOffset(MachineFunction& mcInfo, bool& growUp) |
Misha Brukman | 1fb623e | 2005-02-17 21:40:27 +0000 | [diff] [blame] | 60 | const { |
| 61 | abort(); |
| 62 | return 0; |
| 63 | } |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 64 | |
| 65 | int |
Misha Brukman | 1fb623e | 2005-02-17 21:40:27 +0000 | [diff] [blame] | 66 | TargetFrameInfo::getTmpAreaOffset(MachineFunction& mcInfo, bool& growUp) const { |
| 67 | abort(); |
| 68 | return 0; |
| 69 | } |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 70 | |
Misha Brukman | f976c85 | 2005-04-21 22:55:34 +0000 | [diff] [blame^] | 71 | int |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 72 | TargetFrameInfo::getDynamicAreaOffset(MachineFunction& mcInfo, bool& growUp) |
Misha Brukman | 1fb623e | 2005-02-17 21:40:27 +0000 | [diff] [blame] | 73 | const { |
| 74 | abort(); |
| 75 | return 0; |
| 76 | } |
Misha Brukman | b8bda13 | 2004-03-11 23:52:43 +0000 | [diff] [blame] | 77 | |