1 //===-- PPCMachineFunctionInfo.cpp - Private data used for PowerPC --------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "PPCMachineFunctionInfo.h"
11 #include "llvm/ADT/Twine.h"
12 #include "llvm/IR/DataLayout.h"
13 #include "llvm/MC/MCContext.h"
14 
15 using namespace llvm;
16 
17 void PPCFunctionInfo::anchor() {}
18 
19 MCSymbol *PPCFunctionInfo::getPICOffsetSymbol() const {
20   const DataLayout &DL = MF.getDataLayout();
21   return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
22                                            Twine(MF.getFunctionNumber()) +
23                                            "$poff");
24 }
25 
26 MCSymbol *PPCFunctionInfo::getGlobalEPSymbol() const {
27   const DataLayout &DL = MF.getDataLayout();
28   return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
29                                            "func_gep" +
30                                            Twine(MF.getFunctionNumber()));
31 }
32 
33 MCSymbol *PPCFunctionInfo::getLocalEPSymbol() const {
34   const DataLayout &DL = MF.getDataLayout();
35   return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
36                                            "func_lep" +
37                                            Twine(MF.getFunctionNumber()));
38 }
39 
40 MCSymbol *PPCFunctionInfo::getTOCOffsetSymbol() const {
41   const DataLayout &DL = MF.getDataLayout();
42   return MF.getContext().getOrCreateSymbol(Twine(DL.getPrivateGlobalPrefix()) +
43                                            "func_toc" +
44                                            Twine(MF.getFunctionNumber()));
45 }
46