RPCSX/llvm
1
0
Fork 0
mirror of https://github.com/RPCSX/llvm.git synced 2024-11-25 20:59:51 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Prepare support of Itanium ABI on ARM as opposed to EHABI by

Browse Source 
conditionally emitting .fnstart and friends only for EHABI.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207718 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joerg Sonnenberger 2014-04-30 22:43:13 +00:00
parent e4c1d49b1d
commit 6c0458d2b4
2 changed files with 20 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/CodeGen/AsmPrinter/ARMException.cpp
View File

@ -57,7 +57,8 @@ void ARMException::endModule() {
/// beginFunction - Gather pre-function exception information. Assumes it's
/// being emitted immediately after the function entry point.
void ARMException::beginFunction(const MachineFunction *MF) {
getTargetStreamer().emitFnStart();
if (Asm->MAI->getExceptionHandlingType() == ExceptionHandling::ARM)
getTargetStreamer().emitFnStart();
if (Asm->MF->getFunction()->needsUnwindTableEntry())
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_begin",
Asm->getFunctionNumber()));
@ -104,7 +105,8 @@ void ARMException::endFunction(const MachineFunction *) {
}
}
ATS.emitFnEnd();
if (Asm->MAI->getExceptionHandlingType() == ExceptionHandling::ARM)
ATS.emitFnEnd();
}
void ARMException::EmitTypeInfos(unsigned TTypeEncoding) {

29
lib/Target/ARM/ARMAsmPrinter.cpp
View File

@ -993,7 +993,8 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
RegList.push_back(SrcReg);
break;
}
ATS.emitRegSave(RegList, Opc == ARM::VSTMDDB_UPD);
if (MAI->getExceptionHandlingType() == ExceptionHandling::ARM)
ATS.emitRegSave(RegList, Opc == ARM::VSTMDDB_UPD);
} else {
// Changes of stack / frame pointer.
if (SrcReg == ARM::SP) {
@ -1038,18 +1039,20 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
}
}
if (DstReg == FramePtr && FramePtr != ARM::SP)
// Set-up of the frame pointer. Positive values correspond to "add"
// instruction.
ATS.emitSetFP(FramePtr, ARM::SP, -Offset);
else if (DstReg == ARM::SP) {
// Change of SP by an offset. Positive values correspond to "sub"
// instruction.
ATS.emitPad(Offset);
} else {
// Move of SP to a register. Positive values correspond to an "add"
// instruction.
ATS.emitMovSP(DstReg, -Offset);
if (MAI->getExceptionHandlingType() == ExceptionHandling::ARM) {
if (DstReg == FramePtr && FramePtr != ARM::SP)
// Set-up of the frame pointer. Positive values correspond to "add"
// instruction.
ATS.emitSetFP(FramePtr, ARM::SP, -Offset);
else if (DstReg == ARM::SP) {
// Change of SP by an offset. Positive values correspond to "sub"
// instruction.
ATS.emitPad(Offset);
} else {
// Move of SP to a register. Positive values correspond to an "add"
// instruction.
ATS.emitMovSP(DstReg, -Offset);
}
}
} else if (DstReg == ARM::SP) {
MI->dump();