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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107807 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-07-07 20:12:52 +00:00
parent 4df83ed159
commit 6140962aba
1 changed files with 21 additions and 12 deletions
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33
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -44,7 +44,8 @@ using namespace llvm;
static cl::opt<bool> PrintDbgScope("print-dbgscope", cl::Hidden, static cl::opt<bool> PrintDbgScope("print-dbgscope", cl::Hidden,
cl::desc("Print DbgScope information for each machine instruction")); cl::desc("Print DbgScope information for each machine instruction"));
static cl::opt<bool> DisableDebugInfoPrinting("disable-debug-info-print", cl::Hidden, static cl::opt<bool> DisableDebugInfoPrinting("disable-debug-info-print",
cl::Hidden,
cl::desc("Disable debug info printing")); cl::desc("Disable debug info printing"));
static cl::opt<bool> UnknownLocations("use-unknown-locations", cl::Hidden, static cl::opt<bool> UnknownLocations("use-unknown-locations", cl::Hidden,
@ -1072,8 +1073,9 @@ void DwarfDebug::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
if (!Name.empty()) if (!Name.empty())
addString(&Buffer, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name); addString(&Buffer, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name);
if (Tag == dwarf::DW_TAG_enumeration_type || Tag == dwarf::DW_TAG_class_type || if (Tag == dwarf::DW_TAG_enumeration_type || Tag == dwarf::DW_TAG_class_type
Tag == dwarf::DW_TAG_structure_type || Tag == dwarf::DW_TAG_union_type) { || Tag == dwarf::DW_TAG_structure_type || Tag == dwarf::DW_TAG_union_type)
{
// Add size if non-zero (derived types might be zero-sized.) // Add size if non-zero (derived types might be zero-sized.)
if (Size) if (Size)
addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size); addUInt(&Buffer, dwarf::DW_AT_byte_size, 0, Size);
@ -1615,11 +1617,13 @@ DIE *DwarfDebug::constructVariableDIE(DbgVariable *DV, DbgScope *Scope) {
// FIXME : Handle getNumOperands != 3 // FIXME : Handle getNumOperands != 3
if (DVInsn->getNumOperands() == 3) { if (DVInsn->getNumOperands() == 3) {
if (DVInsn->getOperand(0).isReg()) if (DVInsn->getOperand(0).isReg())
updated = addRegisterAddress(VariableDie, DVLabel, DVInsn->getOperand(0)); updated =
addRegisterAddress(VariableDie, DVLabel, DVInsn->getOperand(0));
else if (DVInsn->getOperand(0).isImm()) else if (DVInsn->getOperand(0).isImm())
updated = addConstantValue(VariableDie, DVLabel, DVInsn->getOperand(0)); updated = addConstantValue(VariableDie, DVLabel, DVInsn->getOperand(0));
else if (DVInsn->getOperand(0).isFPImm()) else if (DVInsn->getOperand(0).isFPImm())
updated = addConstantFPValue(VariableDie, DVLabel, DVInsn->getOperand(0)); updated =
addConstantFPValue(VariableDie, DVLabel, DVInsn->getOperand(0));
} else { } else {
MachineLocation Location = Asm->getDebugValueLocation(DVInsn); MachineLocation Location = Asm->getDebugValueLocation(DVInsn);
if (Location.getReg()) { if (Location.getReg()) {
@ -2270,7 +2274,8 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF,
const MachineInstr *Begin = NULL; const MachineInstr *Begin = NULL;
const MachineInstr *End = NULL; const MachineInstr *End = NULL;
for (SmallVector<const MachineInstr *, 4>::iterator for (SmallVector<const MachineInstr *, 4>::iterator
MVI = MultipleValues.begin(), MVE = MultipleValues.end(); MVI != MVE; ++MVI) { MVI = MultipleValues.begin(), MVE = MultipleValues.end();
MVI != MVE; ++MVI) {
if (!Begin) { if (!Begin) {
Begin = *MVI; Begin = *MVI;
continue; continue;
@ -2375,7 +2380,8 @@ void DwarfDebug::endScope(const MachineInstr *MI) {
} }
/// getOrCreateDbgScope - Create DbgScope for the scope. /// getOrCreateDbgScope - Create DbgScope for the scope.
DbgScope *DwarfDebug::getOrCreateDbgScope(const MDNode *Scope, const MDNode *InlinedAt) { DbgScope *DwarfDebug::getOrCreateDbgScope(const MDNode *Scope,
const MDNode *InlinedAt) {
if (!InlinedAt) { if (!InlinedAt) {
DbgScope *WScope = DbgScopeMap.lookup(Scope); DbgScope *WScope = DbgScopeMap.lookup(Scope);
if (WScope) if (WScope)
@ -2548,7 +2554,8 @@ bool DwarfDebug::extractScopeInformation() {
// current instruction scope does not match scope of first instruction // current instruction scope does not match scope of first instruction
// in this range then create a new instruction range. // in this range then create a new instruction range.
DbgRange R(RangeBeginMI, PrevMI); DbgRange R(RangeBeginMI, PrevMI);
MI2ScopeMap[RangeBeginMI] = getOrCreateDbgScope(PrevScope, PrevInlinedAt); MI2ScopeMap[RangeBeginMI] = getOrCreateDbgScope(PrevScope,
PrevInlinedAt);
MIRanges.push_back(R); MIRanges.push_back(R);
} }
@ -2771,7 +2778,7 @@ void DwarfDebug::endFunction(const MachineFunction *MF) {
if (ProcessedSPNodes.count((*AI)->getScopeNode()) == 0) if (ProcessedSPNodes.count((*AI)->getScopeNode()) == 0)
constructScopeDIE(*AI); constructScopeDIE(*AI);
} }
DIE *CurFnDIE = constructScopeDIE(CurrentFnDbgScope); DIE *CurFnDIE = constructScopeDIE(CurrentFnDbgScope);
if (!DisableFramePointerElim(*MF)) if (!DisableFramePointerElim(*MF))
@ -2852,7 +2859,8 @@ DbgScope *DwarfDebug::findDbgScope(const MachineInstr *MInsn) {
/// recordSourceLine - Register a source line with debug info. Returns the /// recordSourceLine - Register a source line with debug info. Returns the
/// unique label that was emitted and which provides correspondence to /// unique label that was emitted and which provides correspondence to
/// the source line list. /// the source line list.
MCSymbol *DwarfDebug::recordSourceLine(unsigned Line, unsigned Col, const MDNode *S) { MCSymbol *DwarfDebug::recordSourceLine(unsigned Line, unsigned Col,
const MDNode *S) {
StringRef Dir; StringRef Dir;
StringRef Fn; StringRef Fn;
@ -3597,8 +3605,9 @@ void DwarfDebug::emitDebugLoc() {
unsigned char Size = Asm->getTargetData().getPointerSize(); unsigned char Size = Asm->getTargetData().getPointerSize();
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_loc", 0)); Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_loc", 0));
unsigned index = 1; unsigned index = 1;
for (SmallVector<DotDebugLocEntry, 4>::iterator I = DotDebugLocEntries.begin(), for (SmallVector<DotDebugLocEntry, 4>::iterator
E = DotDebugLocEntries.end(); I != E; ++I, ++index) { I = DotDebugLocEntries.begin(), E = DotDebugLocEntries.end();
I != E; ++I, ++index) {
DotDebugLocEntry Entry = *I; DotDebugLocEntry Entry = *I;
if (Entry.isEmpty()) { if (Entry.isEmpty()) {
Asm->OutStreamer.EmitIntValue(0, Size, /*addrspace*/0); Asm->OutStreamer.EmitIntValue(0, Size, /*addrspace*/0);