move gettemplabel and getdwlabel to AsmPrinter and rename
them for consistency. llvm-svn: 100345
This commit is contained in:
Chris Lattner
parent
9efd118938
commit
a179b52361
|
|
@ -190,6 +190,36 @@ namespace llvm {
|
|||
/// do nothing and return false.
|
||||
bool EmitSpecialLLVMGlobal(const GlobalVariable *GV);
|
||||
|
||||
/// EmitAlignment - Emit an alignment directive to the specified power of
|
||||
/// two boundary. For example, if you pass in 3 here, you will get an 8
|
||||
/// byte alignment. If a global value is specified, and if that global has
|
||||
/// an explicit alignment requested, it will unconditionally override the
|
||||
/// alignment request. However, if ForcedAlignBits is specified, this value
|
||||
/// has final say: the ultimate alignment will be the max of ForcedAlignBits
|
||||
/// and the alignment computed with NumBits and the global. If UseFillExpr
|
||||
/// is true, it also emits an optional second value FillValue which the
|
||||
/// assembler uses to fill gaps to match alignment for text sections if the
|
||||
/// has specified a non-zero fill value.
|
||||
///
|
||||
/// The algorithm is:
|
||||
/// Align = NumBits;
|
||||
/// if (GV && GV->hasalignment) Align = GV->getalignment();
|
||||
/// Align = std::max(Align, ForcedAlignBits);
|
||||
///
|
||||
void EmitAlignment(unsigned NumBits, const GlobalValue *GV = 0,
|
||||
unsigned ForcedAlignBits = 0,
|
||||
bool UseFillExpr = true) const;
|
||||
|
||||
/// EmitBasicBlockStart - This method prints the label for the specified
|
||||
/// MachineBasicBlock, an alignment (if present) and a comment describing
|
||||
/// it if appropriate.
|
||||
void EmitBasicBlockStart(const MachineBasicBlock *MBB) const;
|
||||
|
||||
|
||||
/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
|
||||
void EmitGlobalConstant(const Constant *CV, unsigned AddrSpace = 0);
|
||||
|
||||
|
||||
//===------------------------------------------------------------------===//
|
||||
// Overridable Hooks
|
||||
//===------------------------------------------------------------------===//
|
||||
|
|
@ -229,30 +259,19 @@ namespace llvm {
|
|||
isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const;
|
||||
|
||||
//===------------------------------------------------------------------===//
|
||||
// Lowering Routines.
|
||||
// Symbol Lowering Routines.
|
||||
//===------------------------------------------------------------------===//
|
||||
public:
|
||||
|
||||
/// EmitAlignment - Emit an alignment directive to the specified power of
|
||||
/// two boundary. For example, if you pass in 3 here, you will get an 8
|
||||
/// byte alignment. If a global value is specified, and if that global has
|
||||
/// an explicit alignment requested, it will unconditionally override the
|
||||
/// alignment request. However, if ForcedAlignBits is specified, this value
|
||||
/// has final say: the ultimate alignment will be the max of ForcedAlignBits
|
||||
/// and the alignment computed with NumBits and the global. If UseFillExpr
|
||||
/// is true, it also emits an optional second value FillValue which the
|
||||
/// assembler uses to fill gaps to match alignment for text sections if the
|
||||
/// has specified a non-zero fill value.
|
||||
///
|
||||
/// The algorithm is:
|
||||
/// Align = NumBits;
|
||||
/// if (GV && GV->hasalignment) Align = GV->getalignment();
|
||||
/// Align = std::max(Align, ForcedAlignBits);
|
||||
///
|
||||
void EmitAlignment(unsigned NumBits, const GlobalValue *GV = 0,
|
||||
unsigned ForcedAlignBits = 0,
|
||||
bool UseFillExpr = true) const;
|
||||
|
||||
/// GetTempSymbol - Return the MCSymbol corresponding to the assembler
|
||||
/// temporary label with the specified stem and unique ID.
|
||||
MCSymbol *GetTempSymbol(StringRef Name, unsigned ID) const;
|
||||
|
||||
/// GetTempSymbol - Return an assembler temporary label with the specified
|
||||
/// stem.
|
||||
MCSymbol *GetTempSymbol(StringRef Name) const;
|
||||
|
||||
|
||||
/// GetSymbolWithGlobalValueBase - Return the MCSymbol for a symbol with
|
||||
/// global value name as its base, with the specified suffix, and where the
|
||||
/// symbol is forced to have private linkage if ForcePrivate is true.
|
||||
|
|
@ -279,16 +298,7 @@ namespace llvm {
|
|||
MCSymbol *GetBlockAddressSymbol(const BlockAddress *BA) const;
|
||||
MCSymbol *GetBlockAddressSymbol(const BasicBlock *BB) const;
|
||||
|
||||
/// EmitBasicBlockStart - This method prints the label for the specified
|
||||
/// MachineBasicBlock, an alignment (if present) and a comment describing
|
||||
/// it if appropriate.
|
||||
void EmitBasicBlockStart(const MachineBasicBlock *MBB) const;
|
||||
|
||||
|
||||
/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
|
||||
void EmitGlobalConstant(const Constant *CV, unsigned AddrSpace = 0);
|
||||
|
||||
//===------------------------------------------------------------------===//
|
||||
//===------------------------------------------------------------------===//
|
||||
// Emission Helper Routines.
|
||||
//===------------------------------------------------------------------===//
|
||||
public:
|
||||
|
|
|
|||
|
|
@ -962,9 +962,7 @@ void AsmPrinter::EmitLabelDifference(const MCSymbol *Hi, const MCSymbol *Lo,
|
|||
}
|
||||
|
||||
// Otherwise, emit with .set (aka assignment).
|
||||
MCSymbol *SetLabel =
|
||||
OutContext.GetOrCreateSymbol(Twine(MAI->getPrivateGlobalPrefix()) +
|
||||
"set" + Twine(SetCounter++));
|
||||
MCSymbol *SetLabel = GetTempSymbol("set", SetCounter++);
|
||||
OutStreamer.EmitAssignment(SetLabel, Diff);
|
||||
OutStreamer.EmitSymbolValue(SetLabel, Size, 0/*AddrSpace*/);
|
||||
}
|
||||
|
|
@ -1345,6 +1343,29 @@ void AsmPrinter::printOffset(int64_t Offset, raw_ostream &OS) const {
|
|||
OS << Offset;
|
||||
}
|
||||
|
||||
//===----------------------------------------------------------------------===//
|
||||
// Symbol Lowering Routines.
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
/// GetTempSymbol - Return the MCSymbol corresponding to the assembler
|
||||
/// temporary label with the specified stem and unique ID.
|
||||
MCSymbol *AsmPrinter::GetTempSymbol(StringRef Name, unsigned ID) const {
|
||||
// FIXME: REMOVE this. However, there is stuff in EH that passes counters in
|
||||
// here that can be zero.
|
||||
|
||||
//assert(ID && "Should use GetTempSymbol if no ID");
|
||||
if (ID == 0) return GetTempSymbol(Name);
|
||||
return OutContext.GetOrCreateSymbol(Twine(MAI->getPrivateGlobalPrefix())+
|
||||
Name + Twine(ID));
|
||||
}
|
||||
|
||||
/// GetTempSymbol - Return an assembler temporary label with the specified
|
||||
/// stem.
|
||||
MCSymbol *AsmPrinter::GetTempSymbol(StringRef Name) const {
|
||||
return OutContext.GetOrCreateSymbol(Twine(MAI->getPrivateGlobalPrefix())+
|
||||
Name);
|
||||
}
|
||||
|
||||
|
||||
MCSymbol *AsmPrinter::GetBlockAddressSymbol(const BlockAddress *BA) const {
|
||||
return MMI->getAddrLabelSymbol(BA->getBasicBlock());
|
||||
|
|
|
|||
|
|
@ -320,7 +320,7 @@ MCSymbol *DwarfDebug::getStringPoolEntry(StringRef Str) {
|
|||
if (Entry.first) return Entry.first;
|
||||
|
||||
Entry.second = NextStringPoolNumber++;
|
||||
return Entry.first = getDWLabel("string", Entry.second);
|
||||
return Entry.first = Asm->GetTempSymbol("string", Entry.second);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1351,9 +1351,9 @@ DIE *DwarfDebug::updateSubprogramScopeDIE(MDNode *SPNode) {
|
|||
}
|
||||
|
||||
addLabel(SPDie, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr,
|
||||
getDWLabel("func_begin", SubprogramCount));
|
||||
Asm->GetTempSymbol("func_begin", SubprogramCount));
|
||||
addLabel(SPDie, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr,
|
||||
getDWLabel("func_end", SubprogramCount));
|
||||
Asm->GetTempSymbol("func_end", SubprogramCount));
|
||||
MachineLocation Location(RI->getFrameRegister(*MF));
|
||||
addAddress(SPDie, dwarf::DW_AT_frame_base, Location);
|
||||
|
||||
|
|
@ -1378,9 +1378,9 @@ DIE *DwarfDebug::constructLexicalScopeDIE(DbgScope *Scope) {
|
|||
return ScopeDIE;
|
||||
|
||||
addLabel(ScopeDIE, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr,
|
||||
Start ? Start : getDWLabel("func_begin", SubprogramCount));
|
||||
Start ? Start : Asm->GetTempSymbol("func_begin", SubprogramCount));
|
||||
addLabel(ScopeDIE, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr,
|
||||
End ? End : getDWLabel("func_end", SubprogramCount));
|
||||
End ? End : Asm->GetTempSymbol("func_end", SubprogramCount));
|
||||
|
||||
return ScopeDIE;
|
||||
}
|
||||
|
|
@ -1669,9 +1669,9 @@ void DwarfDebug::constructCompileUnit(MDNode *N) {
|
|||
DIUnit.getLanguage());
|
||||
addString(Die, dwarf::DW_AT_name, dwarf::DW_FORM_string, FN);
|
||||
addLabel(Die, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr,
|
||||
getTempLabel("text_begin"));
|
||||
Asm->GetTempSymbol("text_begin"));
|
||||
addLabel(Die, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr,
|
||||
getTempLabel("text_end"));
|
||||
Asm->GetTempSymbol("text_end"));
|
||||
// DW_AT_stmt_list is a offset of line number information for this
|
||||
// compile unit in debug_line section. It is always zero when only one
|
||||
// compile unit is emitted in one object file.
|
||||
|
|
@ -1872,14 +1872,14 @@ void DwarfDebug::endModule() {
|
|||
|
||||
// Standard sections final addresses.
|
||||
Asm->OutStreamer.SwitchSection(Asm->getObjFileLowering().getTextSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("text_end"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("text_end"));
|
||||
Asm->OutStreamer.SwitchSection(Asm->getObjFileLowering().getDataSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("data_end"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("data_end"));
|
||||
|
||||
// End text sections.
|
||||
for (unsigned i = 1, N = SectionMap.size(); i <= N; ++i) {
|
||||
Asm->OutStreamer.SwitchSection(SectionMap[i]);
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("section_end", i));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_end", i));
|
||||
}
|
||||
|
||||
// Emit common frame information.
|
||||
|
|
@ -2255,7 +2255,8 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
|
|||
collectVariableInfo();
|
||||
|
||||
// Assumes in correct section after the entry point.
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("func_begin", ++SubprogramCount));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("func_begin",
|
||||
++SubprogramCount));
|
||||
|
||||
// Emit label for the implicitly defined dbg.stoppoint at the start of the
|
||||
// function.
|
||||
|
|
@ -2287,7 +2288,7 @@ void DwarfDebug::endFunction(const MachineFunction *MF) {
|
|||
|
||||
if (CurrentFnDbgScope) {
|
||||
// Define end label for subprogram.
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("func_end", SubprogramCount));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("func_end", SubprogramCount));
|
||||
|
||||
// Get function line info.
|
||||
if (!Lines.empty()) {
|
||||
|
|
@ -2449,38 +2450,38 @@ void DwarfDebug::emitInitial() {
|
|||
// Dwarf sections base addresses.
|
||||
if (MAI->doesDwarfRequireFrameSection()) {
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfFrameSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_debug_frame"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_debug_frame"));
|
||||
}
|
||||
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfInfoSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_info"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_info"));
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfAbbrevSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_abbrev"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_abbrev"));
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfARangesSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_aranges"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_aranges"));
|
||||
|
||||
if (const MCSection *LineInfoDirective = TLOF.getDwarfMacroInfoSection()) {
|
||||
Asm->OutStreamer.SwitchSection(LineInfoDirective);
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_macinfo"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_macinfo"));
|
||||
}
|
||||
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfLineSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_line"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_line"));
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfLocSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_loc"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_loc"));
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfPubNamesSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_pubnames"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_pubnames"));
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfPubTypesSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_pubtypes"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_pubtypes"));
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfStrSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_str"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_str"));
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDwarfRangesSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("section_ranges"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_ranges"));
|
||||
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getTextSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("text_begin"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("text_begin"));
|
||||
Asm->OutStreamer.SwitchSection(TLOF.getDataSection());
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("data_begin"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("data_begin"));
|
||||
}
|
||||
|
||||
/// emitDIE - Recusively Emits a debug information entry.
|
||||
|
|
@ -2550,7 +2551,8 @@ void DwarfDebug::emitDebugInfo() {
|
|||
DIE *Die = ModuleCU->getCUDie();
|
||||
|
||||
// Emit the compile units header.
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("info_begin", ModuleCU->getID()));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("info_begin",
|
||||
ModuleCU->getID()));
|
||||
|
||||
// Emit size of content not including length itself
|
||||
unsigned ContentSize = Die->getSize() +
|
||||
|
|
@ -2564,8 +2566,8 @@ void DwarfDebug::emitDebugInfo() {
|
|||
Asm->OutStreamer.AddComment("DWARF version number");
|
||||
Asm->EmitInt16(dwarf::DWARF_VERSION);
|
||||
Asm->OutStreamer.AddComment("Offset Into Abbrev. Section");
|
||||
EmitSectionOffset(getTempLabel("abbrev_begin"),getTempLabel("section_abbrev"),
|
||||
true);
|
||||
EmitSectionOffset(Asm->GetTempSymbol("abbrev_begin"),
|
||||
Asm->GetTempSymbol("section_abbrev"), true);
|
||||
Asm->OutStreamer.AddComment("Address Size (in bytes)");
|
||||
Asm->EmitInt8(TD->getPointerSize());
|
||||
|
||||
|
|
@ -2576,7 +2578,7 @@ void DwarfDebug::emitDebugInfo() {
|
|||
Asm->EmitInt8(0);
|
||||
Asm->EmitInt8(0);
|
||||
Asm->EmitInt8(0);
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("info_end", ModuleCU->getID()));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("info_end", ModuleCU->getID()));
|
||||
}
|
||||
|
||||
/// emitAbbreviations - Emit the abbreviation section.
|
||||
|
|
@ -2588,7 +2590,7 @@ void DwarfDebug::emitAbbreviations() const {
|
|||
Asm->OutStreamer.SwitchSection(
|
||||
Asm->getObjFileLowering().getDwarfAbbrevSection());
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("abbrev_begin"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("abbrev_begin"));
|
||||
|
||||
// For each abbrevation.
|
||||
for (unsigned i = 0, N = Abbreviations.size(); i < N; ++i) {
|
||||
|
|
@ -2605,7 +2607,7 @@ void DwarfDebug::emitAbbreviations() const {
|
|||
// Mark end of abbreviations.
|
||||
Asm->EmitULEB128(0, "EOM(3)");
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("abbrev_end"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("abbrev_end"));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -2624,7 +2626,7 @@ void DwarfDebug::emitEndOfLineMatrix(unsigned SectionEnd) {
|
|||
|
||||
Asm->OutStreamer.AddComment("Section end label");
|
||||
|
||||
Asm->OutStreamer.EmitSymbolValue(getDWLabel("section_end", SectionEnd),
|
||||
Asm->OutStreamer.EmitSymbolValue(Asm->GetTempSymbol("section_end",SectionEnd),
|
||||
TD->getPointerSize(), 0/*AddrSpace*/);
|
||||
|
||||
// Mark end of matrix.
|
||||
|
|
@ -2653,16 +2655,17 @@ void DwarfDebug::emitDebugLines() {
|
|||
|
||||
// Construct the section header.
|
||||
Asm->OutStreamer.AddComment("Length of Source Line Info");
|
||||
EmitDifference(getTempLabel("line_end"), getTempLabel("line_begin"), true);
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("line_begin"));
|
||||
EmitDifference(Asm->GetTempSymbol("line_end"),
|
||||
Asm->GetTempSymbol("line_begin"), true);
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("line_begin"));
|
||||
|
||||
Asm->OutStreamer.AddComment("DWARF version number");
|
||||
Asm->EmitInt16(dwarf::DWARF_VERSION);
|
||||
|
||||
Asm->OutStreamer.AddComment("Prolog Length");
|
||||
EmitDifference(getTempLabel("line_prolog_end"),
|
||||
getTempLabel("line_prolog_begin"), true);
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("line_prolog_begin"));
|
||||
EmitDifference(Asm->GetTempSymbol("line_prolog_end"),
|
||||
Asm->GetTempSymbol("line_prolog_begin"), true);
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("line_prolog_begin"));
|
||||
|
||||
Asm->OutStreamer.AddComment("Minimum Instruction Length");
|
||||
Asm->EmitInt8(1);
|
||||
|
|
@ -2721,7 +2724,7 @@ void DwarfDebug::emitDebugLines() {
|
|||
Asm->OutStreamer.AddComment("End of files");
|
||||
Asm->EmitInt8(0);
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("line_prolog_end"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("line_prolog_end"));
|
||||
|
||||
// A sequence for each text section.
|
||||
unsigned SecSrcLinesSize = SectionSourceLines.size();
|
||||
|
|
@ -2810,7 +2813,7 @@ void DwarfDebug::emitDebugLines() {
|
|||
// put into it, emit an empty table.
|
||||
emitEndOfLineMatrix(1);
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("line_end"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("line_end"));
|
||||
}
|
||||
|
||||
/// emitCommonDebugFrame - Emit common frame info into a debug frame section.
|
||||
|
|
@ -2828,12 +2831,12 @@ void DwarfDebug::emitCommonDebugFrame() {
|
|||
Asm->OutStreamer.SwitchSection(
|
||||
Asm->getObjFileLowering().getDwarfFrameSection());
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("debug_frame_common"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_frame_common"));
|
||||
Asm->OutStreamer.AddComment("Length of Common Information Entry");
|
||||
EmitDifference(getTempLabel("debug_frame_common_end"),
|
||||
getTempLabel("debug_frame_common_begin"), true);
|
||||
EmitDifference(Asm->GetTempSymbol("debug_frame_common_end"),
|
||||
Asm->GetTempSymbol("debug_frame_common_begin"), true);
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("debug_frame_common_begin"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_frame_common_begin"));
|
||||
Asm->OutStreamer.AddComment("CIE Identifier Tag");
|
||||
Asm->EmitInt32((int)dwarf::DW_CIE_ID);
|
||||
Asm->OutStreamer.AddComment("CIE Version");
|
||||
|
|
@ -2851,7 +2854,7 @@ void DwarfDebug::emitCommonDebugFrame() {
|
|||
EmitFrameMoves(0, Moves, false);
|
||||
|
||||
Asm->EmitAlignment(2, 0, 0, false);
|
||||
Asm->OutStreamer.EmitLabel(getTempLabel("debug_frame_common_end"));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_frame_common_end"));
|
||||
}
|
||||
|
||||
/// emitFunctionDebugFrame - Emit per function frame info into a debug frame
|
||||
|
|
@ -2867,25 +2870,27 @@ emitFunctionDebugFrame(const FunctionDebugFrameInfo &DebugFrameInfo) {
|
|||
|
||||
Asm->OutStreamer.AddComment("Length of Frame Information Entry");
|
||||
MCSymbol *DebugFrameBegin =
|
||||
getDWLabel("debug_frame_begin", DebugFrameInfo.Number);
|
||||
Asm->GetTempSymbol("debug_frame_begin", DebugFrameInfo.Number);
|
||||
MCSymbol *DebugFrameEnd =
|
||||
getDWLabel("debug_frame_end", DebugFrameInfo.Number);
|
||||
Asm->GetTempSymbol("debug_frame_end", DebugFrameInfo.Number);
|
||||
EmitDifference(DebugFrameEnd, DebugFrameBegin, true);
|
||||
|
||||
Asm->OutStreamer.EmitLabel(DebugFrameBegin);
|
||||
|
||||
Asm->OutStreamer.AddComment("FDE CIE offset");
|
||||
EmitSectionOffset(getTempLabel("debug_frame_common"),
|
||||
getTempLabel("section_debug_frame"), true);
|
||||
EmitSectionOffset(Asm->GetTempSymbol("debug_frame_common"),
|
||||
Asm->GetTempSymbol("section_debug_frame"), true);
|
||||
|
||||
Asm->OutStreamer.AddComment("FDE initial location");
|
||||
MCSymbol *FuncBeginSym = getDWLabel("func_begin", DebugFrameInfo.Number);
|
||||
MCSymbol *FuncBeginSym =
|
||||
Asm->GetTempSymbol("func_begin", DebugFrameInfo.Number);
|
||||
Asm->OutStreamer.EmitSymbolValue(FuncBeginSym,
|
||||
TD->getPointerSize(), 0/*AddrSpace*/);
|
||||
|
||||
|
||||
Asm->OutStreamer.AddComment("FDE address range");
|
||||
EmitDifference(getDWLabel("func_end", DebugFrameInfo.Number), FuncBeginSym);
|
||||
EmitDifference(Asm->GetTempSymbol("func_end", DebugFrameInfo.Number),
|
||||
FuncBeginSym);
|
||||
|
||||
EmitFrameMoves(FuncBeginSym, DebugFrameInfo.Moves, false);
|
||||
|
||||
|
|
@ -2901,21 +2906,22 @@ void DwarfDebug::emitDebugPubNames() {
|
|||
Asm->getObjFileLowering().getDwarfPubNamesSection());
|
||||
|
||||
Asm->OutStreamer.AddComment("Length of Public Names Info");
|
||||
EmitDifference(getDWLabel("pubnames_end", ModuleCU->getID()),
|
||||
getDWLabel("pubnames_begin", ModuleCU->getID()), true);
|
||||
EmitDifference(Asm->GetTempSymbol("pubnames_end", ModuleCU->getID()),
|
||||
Asm->GetTempSymbol("pubnames_begin", ModuleCU->getID()), true);
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("pubnames_begin", ModuleCU->getID()));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("pubnames_begin",
|
||||
ModuleCU->getID()));
|
||||
|
||||
Asm->OutStreamer.AddComment("DWARF Version");
|
||||
Asm->EmitInt16(dwarf::DWARF_VERSION);
|
||||
|
||||
Asm->OutStreamer.AddComment("Offset of Compilation Unit Info");
|
||||
EmitSectionOffset(getDWLabel("info_begin", ModuleCU->getID()),
|
||||
getTempLabel("section_info"), true);
|
||||
EmitSectionOffset(Asm->GetTempSymbol("info_begin", ModuleCU->getID()),
|
||||
Asm->GetTempSymbol("section_info"), true);
|
||||
|
||||
Asm->OutStreamer.AddComment("Compilation Unit Length");
|
||||
EmitDifference(getDWLabel("info_end", ModuleCU->getID()),
|
||||
getDWLabel("info_begin", ModuleCU->getID()),
|
||||
EmitDifference(Asm->GetTempSymbol("info_end", ModuleCU->getID()),
|
||||
Asm->GetTempSymbol("info_begin", ModuleCU->getID()),
|
||||
true);
|
||||
|
||||
const StringMap<DIE*> &Globals = ModuleCU->getGlobals();
|
||||
|
|
@ -2934,7 +2940,8 @@ void DwarfDebug::emitDebugPubNames() {
|
|||
|
||||
Asm->OutStreamer.AddComment("End Mark");
|
||||
Asm->EmitInt32(0);
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("pubnames_end", ModuleCU->getID()));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("pubnames_end",
|
||||
ModuleCU->getID()));
|
||||
}
|
||||
|
||||
void DwarfDebug::emitDebugPubTypes() {
|
||||
|
|
@ -2942,21 +2949,22 @@ void DwarfDebug::emitDebugPubTypes() {
|
|||
Asm->OutStreamer.SwitchSection(
|
||||
Asm->getObjFileLowering().getDwarfPubTypesSection());
|
||||
Asm->OutStreamer.AddComment("Length of Public Types Info");
|
||||
EmitDifference(getDWLabel("pubtypes_end", ModuleCU->getID()),
|
||||
getDWLabel("pubtypes_begin", ModuleCU->getID()), true);
|
||||
EmitDifference(Asm->GetTempSymbol("pubtypes_end", ModuleCU->getID()),
|
||||
Asm->GetTempSymbol("pubtypes_begin", ModuleCU->getID()), true);
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("pubtypes_begin", ModuleCU->getID()));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("pubtypes_begin",
|
||||
ModuleCU->getID()));
|
||||
|
||||
if (Asm->isVerbose()) Asm->OutStreamer.AddComment("DWARF Version");
|
||||
Asm->EmitInt16(dwarf::DWARF_VERSION);
|
||||
|
||||
Asm->OutStreamer.AddComment("Offset of Compilation ModuleCU Info");
|
||||
EmitSectionOffset(getDWLabel("info_begin", ModuleCU->getID()),
|
||||
getTempLabel("section_info"), true);
|
||||
EmitSectionOffset(Asm->GetTempSymbol("info_begin", ModuleCU->getID()),
|
||||
Asm->GetTempSymbol("section_info"), true);
|
||||
|
||||
Asm->OutStreamer.AddComment("Compilation ModuleCU Length");
|
||||
EmitDifference(getDWLabel("info_end", ModuleCU->getID()),
|
||||
getDWLabel("info_begin", ModuleCU->getID()),
|
||||
EmitDifference(Asm->GetTempSymbol("info_end", ModuleCU->getID()),
|
||||
Asm->GetTempSymbol("info_begin", ModuleCU->getID()),
|
||||
true);
|
||||
|
||||
const StringMap<DIE*> &Globals = ModuleCU->getGlobalTypes();
|
||||
|
|
@ -2974,7 +2982,8 @@ void DwarfDebug::emitDebugPubTypes() {
|
|||
|
||||
Asm->OutStreamer.AddComment("End Mark");
|
||||
Asm->EmitInt32(0);
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("pubtypes_end", ModuleCU->getID()));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("pubtypes_end",
|
||||
ModuleCU->getID()));
|
||||
}
|
||||
|
||||
/// emitDebugStr - Emit visible names into a debug str section.
|
||||
|
|
@ -3070,10 +3079,10 @@ void DwarfDebug::emitDebugInlineInfo() {
|
|||
Asm->getObjFileLowering().getDwarfDebugInlineSection());
|
||||
|
||||
Asm->OutStreamer.AddComment("Length of Debug Inlined Information Entry");
|
||||
EmitDifference(getDWLabel("debug_inlined_end", 1),
|
||||
getDWLabel("debug_inlined_begin", 1), true);
|
||||
EmitDifference(Asm->GetTempSymbol("debug_inlined_end", 1),
|
||||
Asm->GetTempSymbol("debug_inlined_begin", 1), true);
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("debug_inlined_begin", 1));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_inlined_begin", 1));
|
||||
|
||||
Asm->OutStreamer.AddComment("Dwarf Version");
|
||||
Asm->EmitInt16(dwarf::DWARF_VERSION);
|
||||
|
|
@ -3097,11 +3106,11 @@ void DwarfDebug::emitDebugInlineInfo() {
|
|||
Asm->OutStreamer.EmitIntValue(0, 1, 0); // nul terminator.
|
||||
} else
|
||||
EmitSectionOffset(getStringPoolEntry(getRealLinkageName(LName)),
|
||||
getTempLabel("section_str"), true);
|
||||
Asm->GetTempSymbol("section_str"), true);
|
||||
|
||||
Asm->OutStreamer.AddComment("Function name");
|
||||
EmitSectionOffset(getStringPoolEntry(Name), getTempLabel("section_str"),
|
||||
true);
|
||||
EmitSectionOffset(getStringPoolEntry(Name),
|
||||
Asm->GetTempSymbol("section_str"), true);
|
||||
Asm->EmitULEB128(Labels.size(), "Inline count");
|
||||
|
||||
for (SmallVector<InlineInfoLabels, 4>::iterator LI = Labels.begin(),
|
||||
|
|
@ -3114,5 +3123,5 @@ void DwarfDebug::emitDebugInlineInfo() {
|
|||
}
|
||||
}
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("debug_inlined_end", 1));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_inlined_end", 1));
|
||||
}
|
||||
|
|
|
|||
|
|
@ -67,24 +67,24 @@ void DwarfException::EmitCIE(const Function *PersonalityFn, unsigned Index) {
|
|||
|
||||
MCSymbol *EHFrameSym;
|
||||
if (TLOF.isFunctionEHFrameSymbolPrivate())
|
||||
EHFrameSym = getDWLabel("EH_frame", Index);
|
||||
EHFrameSym = Asm->GetTempSymbol("EH_frame", Index);
|
||||
else
|
||||
EHFrameSym = Asm->OutContext.GetOrCreateSymbol(Twine("EH_frame") +
|
||||
Twine(Index));
|
||||
Asm->OutStreamer.EmitLabel(EHFrameSym);
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("section_eh_frame", Index));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_eh_frame", Index));
|
||||
|
||||
// Define base labels.
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("eh_frame_common", Index));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_frame_common", Index));
|
||||
|
||||
// Define the eh frame length.
|
||||
Asm->OutStreamer.AddComment("Length of Common Information Entry");
|
||||
EmitDifference(getDWLabel("eh_frame_common_end", Index),
|
||||
getDWLabel("eh_frame_common_begin", Index), true);
|
||||
EmitDifference(Asm->GetTempSymbol("eh_frame_common_end", Index),
|
||||
Asm->GetTempSymbol("eh_frame_common_begin", Index), true);
|
||||
|
||||
// EH frame header.
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("eh_frame_common_begin", Index));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_frame_common_begin",Index));
|
||||
Asm->OutStreamer.AddComment("CIE Identifier Tag");
|
||||
Asm->OutStreamer.EmitIntValue(0, 4/*size*/, 0/*addrspace*/);
|
||||
Asm->OutStreamer.AddComment("DW_CIE_VERSION");
|
||||
|
|
@ -156,7 +156,7 @@ void DwarfException::EmitCIE(const Function *PersonalityFn, unsigned Index) {
|
|||
// be 8-byte on 64-bit targets to match what gcc does. Otherwise you get
|
||||
// holes which confuse readers of eh_frame.
|
||||
Asm->EmitAlignment(TD->getPointerSize() == 4 ? 2 : 3, 0, 0, false);
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("eh_frame_common_end", Index));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_frame_common_end", Index));
|
||||
}
|
||||
|
||||
/// EmitFDE - Emit the Frame Description Entry (FDE) for the function.
|
||||
|
|
@ -209,26 +209,28 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
|
|||
|
||||
// EH frame header.
|
||||
Asm->OutStreamer.AddComment("Length of Frame Information Entry");
|
||||
EmitDifference(getDWLabel("eh_frame_end", EHFrameInfo.Number),
|
||||
getDWLabel("eh_frame_begin", EHFrameInfo.Number),
|
||||
EmitDifference(Asm->GetTempSymbol("eh_frame_end", EHFrameInfo.Number),
|
||||
Asm->GetTempSymbol("eh_frame_begin", EHFrameInfo.Number),
|
||||
true);
|
||||
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("eh_frame_begin",EHFrameInfo.Number));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_frame_begin",
|
||||
EHFrameInfo.Number));
|
||||
|
||||
Asm->OutStreamer.AddComment("FDE CIE offset");
|
||||
EmitSectionOffset(getDWLabel("eh_frame_begin", EHFrameInfo.Number),
|
||||
getDWLabel("eh_frame_common",
|
||||
EHFrameInfo.PersonalityIndex),
|
||||
EmitSectionOffset(Asm->GetTempSymbol("eh_frame_begin", EHFrameInfo.Number),
|
||||
Asm->GetTempSymbol("eh_frame_common",
|
||||
EHFrameInfo.PersonalityIndex),
|
||||
true, true);
|
||||
|
||||
MCSymbol *EHFuncBeginSym = getDWLabel("eh_func_begin", EHFrameInfo.Number);
|
||||
MCSymbol *EHFuncBeginSym =
|
||||
Asm->GetTempSymbol("eh_func_begin", EHFrameInfo.Number);
|
||||
|
||||
Asm->OutStreamer.AddComment("FDE initial location");
|
||||
EmitReference(EHFuncBeginSym, FDEEncoding);
|
||||
|
||||
Asm->OutStreamer.AddComment("FDE address range");
|
||||
EmitDifference(getDWLabel("eh_func_end", EHFrameInfo.Number),EHFuncBeginSym,
|
||||
SizeOfEncodedValue(FDEEncoding) == 4);
|
||||
EmitDifference(Asm->GetTempSymbol("eh_func_end", EHFrameInfo.Number),
|
||||
EHFuncBeginSym, SizeOfEncodedValue(FDEEncoding) == 4);
|
||||
|
||||
// If there is a personality and landing pads then point to the language
|
||||
// specific data area in the exception table.
|
||||
|
|
@ -238,7 +240,8 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
|
|||
Asm->EmitULEB128(Size, "Augmentation size");
|
||||
Asm->OutStreamer.AddComment("Language Specific Data Area");
|
||||
if (EHFrameInfo.hasLandingPads)
|
||||
EmitReference(getDWLabel("exception", EHFrameInfo.Number),LSDAEncoding);
|
||||
EmitReference(Asm->GetTempSymbol("exception", EHFrameInfo.Number),
|
||||
LSDAEncoding);
|
||||
else
|
||||
Asm->OutStreamer.EmitIntValue(0, Size/*size*/, 0/*addrspace*/);
|
||||
|
||||
|
|
@ -254,7 +257,8 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
|
|||
// get holes which confuse readers of eh_frame.
|
||||
Asm->EmitAlignment(TD->getPointerSize() == sizeof(int32_t) ? 2 : 3,
|
||||
0, 0, false);
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("eh_frame_end", EHFrameInfo.Number));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_frame_end",
|
||||
EHFrameInfo.Number));
|
||||
|
||||
// If the function is marked used, this table should be also. We cannot
|
||||
// make the mark unconditional in this case, since retaining the table also
|
||||
|
|
@ -686,10 +690,11 @@ void DwarfException::EmitExceptionTable() {
|
|||
Asm->OutContext.GetOrCreateSymbol(Twine("GCC_except_table")+
|
||||
Twine(SubprogramCount));
|
||||
Asm->OutStreamer.EmitLabel(GCCETSym);
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("exception", SubprogramCount));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("exception", SubprogramCount));
|
||||
|
||||
if (IsSJLJ)
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("_LSDA_", Asm->getFunctionNumber()));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("_LSDA_",
|
||||
Asm->getFunctionNumber()));
|
||||
|
||||
// Emit the LSDA header.
|
||||
EmitEncodingByte(dwarf::DW_EH_PE_omit, "@LPStart");
|
||||
|
|
@ -788,14 +793,15 @@ void DwarfException::EmitExceptionTable() {
|
|||
I = CallSites.begin(), E = CallSites.end(); I != E; ++I) {
|
||||
const CallSiteEntry &S = *I;
|
||||
|
||||
MCSymbol *EHFuncBeginSym = getDWLabel("eh_func_begin", SubprogramCount);
|
||||
MCSymbol *EHFuncBeginSym =
|
||||
Asm->GetTempSymbol("eh_func_begin", SubprogramCount);
|
||||
|
||||
MCSymbol *BeginLabel = S.BeginLabel;
|
||||
if (BeginLabel == 0)
|
||||
BeginLabel = EHFuncBeginSym;
|
||||
MCSymbol *EndLabel = S.EndLabel;
|
||||
if (EndLabel == 0)
|
||||
EndLabel = getDWLabel("eh_func_end", SubprogramCount);
|
||||
EndLabel = Asm->GetTempSymbol("eh_func_end", SubprogramCount);
|
||||
|
||||
// Offset of the call site relative to the previous call site, counted in
|
||||
// number of 16-byte bundles. The first call site is counted relative to
|
||||
|
|
@ -915,7 +921,8 @@ void DwarfException::BeginFunction(const MachineFunction *MF) {
|
|||
|
||||
if (shouldEmitMoves || shouldEmitTable)
|
||||
// Assumes in correct section after the entry point.
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("eh_func_begin", ++SubprogramCount));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_begin",
|
||||
++SubprogramCount));
|
||||
|
||||
shouldEmitTableModule |= shouldEmitTable;
|
||||
shouldEmitMovesModule |= shouldEmitMoves;
|
||||
|
|
@ -927,7 +934,7 @@ void DwarfException::EndFunction() {
|
|||
if (!shouldEmitMoves && !shouldEmitTable) return;
|
||||
|
||||
TimeRegion Timer(ExceptionTimer);
|
||||
Asm->OutStreamer.EmitLabel(getDWLabel("eh_func_end", SubprogramCount));
|
||||
Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("eh_func_end",SubprogramCount));
|
||||
|
||||
// Record if this personality index uses a landing pad.
|
||||
bool HasLandingPad = !MMI->getLandingPads().empty();
|
||||
|
|
|
|||
|
|
@ -37,27 +37,6 @@ DwarfPrinter::DwarfPrinter(AsmPrinter *A)
|
|||
RI(Asm->TM.getRegisterInfo()), M(NULL), MF(NULL), MMI(NULL),
|
||||
SubprogramCount(0) {}
|
||||
|
||||
|
||||
/// getDWLabel - Return the MCSymbol corresponding to the assembler temporary
|
||||
/// label with the specified stem and unique ID.
|
||||
MCSymbol *DwarfPrinter::getDWLabel(const char *Name, unsigned ID) const {
|
||||
// FIXME: REMOVE this. However, there is stuff in EH that passes counters in
|
||||
// here that can be zero.
|
||||
|
||||
//assert(ID && "Should use getTempLabel if no ID");
|
||||
if (ID == 0) return getTempLabel(Name);
|
||||
return Asm->OutContext.GetOrCreateSymbol
|
||||
(Twine(MAI->getPrivateGlobalPrefix()) + Twine(Name) + Twine(ID));
|
||||
}
|
||||
|
||||
/// getTempLabel - Return the MCSymbol corresponding to the assembler temporary
|
||||
/// label with the specified name.
|
||||
MCSymbol *DwarfPrinter::getTempLabel(const char *Name) const {
|
||||
return Asm->OutContext.GetOrCreateSymbol
|
||||
(Twine(MAI->getPrivateGlobalPrefix()) + Name);
|
||||
}
|
||||
|
||||
|
||||
/// SizeOfEncodedValue - Return the size of the encoding in bytes.
|
||||
unsigned DwarfPrinter::SizeOfEncodedValue(unsigned Encoding) const {
|
||||
if (Encoding == dwarf::DW_EH_PE_omit)
|
||||
|
|
|
|||
|
|
@ -74,14 +74,6 @@ public:
|
|||
const MCAsmInfo *getMCAsmInfo() const { return MAI; }
|
||||
const TargetData *getTargetData() const { return TD; }
|
||||
|
||||
/// getDWLabel - Return the MCSymbol corresponding to the assembler temporary
|
||||
/// label with the specified stem and unique ID.
|
||||
MCSymbol *getDWLabel(const char *Name, unsigned ID) const;
|
||||
|
||||
/// getTempLabel - Return an assembler temporary label with the specified
|
||||
/// name.
|
||||
MCSymbol *getTempLabel(const char *Name) const;
|
||||
|
||||
/// SizeOfEncodedValue - Return the size of the encoding in bytes.
|
||||
unsigned SizeOfEncodedValue(unsigned Encoding) const;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue