6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-13 20:32:21 +00:00
Code Issues Projects Releases Wiki Activity

Tell ARMJITInfo if codegen relocation is PIC. It changes how function stubs are generated.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58896 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-11-08 07:38:22 +00:00
parent d7398c9b69
commit 3cc8223a3c
3 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/Target/ARM/ARMCodeEmitter.cpp
View File

@ -167,7 +167,7 @@ bool ARMCodeEmitter::runOnMachineFunction(MachineFunction &MF) {
MCPEs = &MF.getConstantPool()->getConstants();
MJTEs = &MF.getJumpTableInfo()->getJumpTables();
IsPIC = TM.getRelocationModel() == Reloc::PIC_;
JTI->Initialize(MF);
JTI->Initialize(MF, IsPIC);
do {
DOUT << "JITTing function '" << MF.getFunction()->getName() << "'\n";

17
lib/Target/ARM/ARMJITInfo.h
View File

@ -26,8 +26,6 @@ namespace llvm {
class ARMTargetMachine;
class ARMJITInfo : public TargetJITInfo {
ARMTargetMachine &TM;
// ConstPoolId2AddrMap - A map from constant pool ids to the corresponding
// CONSTPOOL_ENTRY addresses.
SmallVector<intptr_t, 16> ConstPoolId2AddrMap;
@ -39,8 +37,12 @@ namespace llvm {
// PCLabelMap - A map from PC labels to addresses.
DenseMap<unsigned, intptr_t> PCLabelMap;
// IsPIC - True if the relocation model is PIC. This is used to determine
// how to codegen function stubs.
bool IsPIC;
public:
explicit ARMJITInfo(ARMTargetMachine &tm) : TM(tm) { useGOT = false; }
explicit ARMJITInfo() : IsPIC(false) { useGOT = false; }
/// replaceMachineCodeForFunction - Make it so that calling the function
/// whose machine code is at OLD turns into a call to NEW, perhaps by
@ -89,12 +91,15 @@ namespace llvm {
#endif
}
/// Initialize - Initialize internal stage. Get the list of constant pool
/// Resize constant pool ids to CONSTPOOL_ENTRY addresses map.
void Initialize(const MachineFunction &MF) {
/// Initialize - Initialize internal stage for the function being JITted.
/// Resize constant pool ids to CONSTPOOL_ENTRY addresses map; resize
/// jump table ids to jump table bases map; remember if codegen relocation
/// model is PIC.
void Initialize(const MachineFunction &MF, bool isPIC) {
const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
ConstPoolId2AddrMap.resize(AFI->getNumConstPoolEntries());
JumpTableId2AddrMap.resize(AFI->getNumJumpTables());
IsPIC = isPIC;
}
/// getConstantPoolEntryAddr - The ARM target puts all constant

2
lib/Target/ARM/ARMTargetMachine.cpp
View File

@ -84,7 +84,7 @@ ARMTargetMachine::ARMTargetMachine(const Module &M, const std::string &FS,
std::string("e-p:32:32-f64:64:64-i64:64:64"))),
InstrInfo(Subtarget),
FrameInfo(Subtarget),
JITInfo(*this),
JITInfo(),
TLInfo(*this) {
DefRelocModel = getRelocationModel();
}