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factor some labels, simplify some code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98429 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-13 07:40:56 +00:00
parent 669f6b3bee
commit fb65807c34
3 changed files with 15 additions and 14 deletions
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9
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -2756,16 +2756,15 @@ emitFunctionDebugFrame(const FunctionDebugFrameInfo &DebugFrameInfo) {
getTempLabel("section_debug_frame"), true, false);
Asm->OutStreamer.AddComment("FDE initial location");
Asm->OutStreamer.EmitSymbolValue(getDWLabel("func_begin",
DebugFrameInfo.Number),
MCSymbol *FuncBeginSym = getDWLabel("func_begin", DebugFrameInfo.Number);
Asm->OutStreamer.EmitSymbolValue(FuncBeginSym,
TD->getPointerSize(), 0/*AddrSpace*/);
Asm->OutStreamer.AddComment("FDE address range");
EmitDifference(getDWLabel("func_end", DebugFrameInfo.Number),
getDWLabel("func_begin", DebugFrameInfo.Number));
EmitDifference(getDWLabel("func_end", DebugFrameInfo.Number), FuncBeginSym);
// FuncBeginSym.
EmitFrameMoves("func_begin", DebugFrameInfo.Number, DebugFrameInfo.Moves,
false);

8
lib/CodeGen/AsmPrinter/DwarfException.cpp
View File

@ -221,12 +221,13 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
EHFrameInfo.PersonalityIndex),
true, true);
MCSymbol *EHFuncBeginSym = getDWLabel("eh_func_begin", EHFrameInfo.Number);
Asm->OutStreamer.AddComment("FDE initial location");
EmitReference(getDWLabel("eh_func_begin", EHFrameInfo.Number), FDEEncoding);
EmitReference(EHFuncBeginSym, FDEEncoding);
Asm->OutStreamer.AddComment("FDE address range");
EmitDifference(getDWLabel("eh_func_end", EHFrameInfo.Number),
getDWLabel("eh_func_begin", EHFrameInfo.Number),
EmitDifference(getDWLabel("eh_func_end", EHFrameInfo.Number),EHFuncBeginSym,
SizeOfEncodedValue(FDEEncoding) == 4);
// If there is a personality and landing pads then point to the language
@ -246,6 +247,7 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
}
// Indicate locations of function specific callee saved registers in frame.
// EHFuncBeginSym
EmitFrameMoves("eh_func_begin", EHFrameInfo.Number, EHFrameInfo.Moves,
true);

12
lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
View File

@ -240,12 +240,12 @@ void DwarfPrinter::EmitSectionOffset(const MCSymbol *Label,
void DwarfPrinter::EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
const std::vector<MachineMove> &Moves,
bool isEH) {
int stackGrowth =
Asm->TM.getFrameInfo()->getStackGrowthDirection() ==
TargetFrameInfo::StackGrowsUp ?
TD->getPointerSize() : -TD->getPointerSize();
bool IsLocal = BaseLabel && strcmp(BaseLabel, "label") == 0;
int stackGrowth = TD->getPointerSize();
if (Asm->TM.getFrameInfo()->getStackGrowthDirection() !=
TargetFrameInfo::StackGrowsUp)
stackGrowth *= -1;
bool IsLocal = false;
for (unsigned i = 0, N = Moves.size(); i < N; ++i) {
const MachineMove &Move = Moves[i];
unsigned LabelID = Move.getLabelID();