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mc'ize EmitLabel. 

llvm-svn: 97996
This commit is contained in:
Chris Lattner 2010-03-08 22:44:40 +00:00
parent 8dcf41ed66
commit 722714dde2
4 changed files with 52 additions and 69 deletions
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89
llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -1845,14 +1845,14 @@ void DwarfDebug::endModule() {
// Standard sections final addresses.
Asm->OutStreamer.SwitchSection(Asm->getObjFileLowering().getTextSection());
EmitLabel("text_end", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("text_end"));
Asm->OutStreamer.SwitchSection(Asm->getObjFileLowering().getDataSection());
EmitLabel("data_end", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("data_end"));
// End text sections.
for (unsigned i = 1, N = SectionMap.size(); i <= N; ++i) {
Asm->OutStreamer.SwitchSection(SectionMap[i]);
EmitLabel("section_end", i);
Asm->OutStreamer.EmitLabel(getDWLabel("section_end", i));
}
// Emit common frame information.
@ -2112,7 +2112,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
collectVariableInfo();
// Assumes in correct section after the entry point.
EmitLabel("func_begin", ++SubprogramCount);
Asm->OutStreamer.EmitLabel(getDWLabel("func_begin", ++SubprogramCount));
// Emit label for the implicitly defined dbg.stoppoint at the start of the
// function.
@ -2148,7 +2148,7 @@ void DwarfDebug::endFunction(const MachineFunction *MF) {
if (CurrentFnDbgScope) {
// Define end label for subprogram.
EmitLabel("func_end", SubprogramCount);
Asm->OutStreamer.EmitLabel(getDWLabel("func_end", SubprogramCount));
// Get function line info.
if (!Lines.empty()) {
@ -2320,38 +2320,38 @@ void DwarfDebug::emitInitial() {
// Dwarf sections base addresses.
if (MAI->doesDwarfRequireFrameSection()) {
Asm->OutStreamer.SwitchSection(TLOF.getDwarfFrameSection());
EmitLabel("section_debug_frame", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_debug_frame"));
}
Asm->OutStreamer.SwitchSection(TLOF.getDwarfInfoSection());
EmitLabel("section_info", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_info"));
Asm->OutStreamer.SwitchSection(TLOF.getDwarfAbbrevSection());
EmitLabel("section_abbrev", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_abbrev"));
Asm->OutStreamer.SwitchSection(TLOF.getDwarfARangesSection());
EmitLabel("section_aranges", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_aranges"));
if (const MCSection *LineInfoDirective = TLOF.getDwarfMacroInfoSection()) {
Asm->OutStreamer.SwitchSection(LineInfoDirective);
EmitLabel("section_macinfo", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_macinfo"));
}
Asm->OutStreamer.SwitchSection(TLOF.getDwarfLineSection());
EmitLabel("section_line", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_line"));
Asm->OutStreamer.SwitchSection(TLOF.getDwarfLocSection());
EmitLabel("section_loc", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_loc"));
Asm->OutStreamer.SwitchSection(TLOF.getDwarfPubNamesSection());
EmitLabel("section_pubnames", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_pubnames"));
Asm->OutStreamer.SwitchSection(TLOF.getDwarfPubTypesSection());
EmitLabel("section_pubtypes", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_pubtypes"));
Asm->OutStreamer.SwitchSection(TLOF.getDwarfStrSection());
EmitLabel("section_str", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_str"));
Asm->OutStreamer.SwitchSection(TLOF.getDwarfRangesSection());
EmitLabel("section_ranges", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("section_ranges"));
Asm->OutStreamer.SwitchSection(TLOF.getTextSection());
EmitLabel("text_begin", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("text_begin"));
Asm->OutStreamer.SwitchSection(TLOF.getDataSection());
EmitLabel("data_begin", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("data_begin"));
}
/// emitDIE - Recusively Emits a debug information entry.
@ -2422,7 +2422,7 @@ void DwarfDebug::emitDebugInfo() {
DIE *Die = ModuleCU->getCUDie();
// Emit the compile units header.
EmitLabel("info_begin", ModuleCU->getID());
Asm->OutStreamer.EmitLabel(getDWLabel("info_begin", ModuleCU->getID()));
// Emit size of content not including length itself
unsigned ContentSize = Die->getSize() +
@ -2444,7 +2444,7 @@ void DwarfDebug::emitDebugInfo() {
Asm->EmitInt8(0); EOL("Extra Pad For GDB");
Asm->EmitInt8(0); EOL("Extra Pad For GDB");
Asm->EmitInt8(0); EOL("Extra Pad For GDB");
EmitLabel("info_end", ModuleCU->getID());
Asm->OutStreamer.EmitLabel(getDWLabel("info_end", ModuleCU->getID()));
Asm->O << '\n';
}
@ -2457,7 +2457,7 @@ void DwarfDebug::emitAbbreviations() const {
Asm->OutStreamer.SwitchSection(
Asm->getObjFileLowering().getDwarfAbbrevSection());
EmitLabel("abbrev_begin", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("abbrev_begin"));
// For each abbrevation.
for (unsigned i = 0, N = Abbreviations.size(); i < N; ++i) {
@ -2475,8 +2475,7 @@ void DwarfDebug::emitAbbreviations() const {
// Mark end of abbreviations.
EmitULEB128(0, "EOM(3)");
EmitLabel("abbrev_end", 0);
Asm->O << '\n';
Asm->OutStreamer.EmitLabel(getTempLabel("abbrev_end"));
}
}
@ -2514,15 +2513,16 @@ void DwarfDebug::emitDebugLines() {
Asm->getObjFileLowering().getDwarfLineSection());
// Construct the section header.
EmitDifference("line_end", 0, "line_begin", 0, true);
EmitDifference(getTempLabel("line_end"), getTempLabel("line_begin"), true);
EOL("Length of Source Line Info");
EmitLabel("line_begin", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("line_begin"));
Asm->EmitInt16(dwarf::DWARF_VERSION); EOL("DWARF version number");
EmitDifference("line_prolog_end", 0, "line_prolog_begin", 0, true);
EmitDifference(getTempLabel("line_prolog_end"),
getTempLabel("line_prolog_begin"), true);
EOL("Prolog Length");
EmitLabel("line_prolog_begin", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("line_prolog_begin"));
Asm->EmitInt8(1); EOL("Minimum Instruction Length");
Asm->EmitInt8(1); EOL("Default is_stmt_start flag");
@ -2565,7 +2565,7 @@ void DwarfDebug::emitDebugLines() {
Asm->EmitInt8(0); EOL("End of files");
EmitLabel("line_prolog_end", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("line_prolog_end"));
// A sequence for each text section.
unsigned SecSrcLinesSize = SectionSourceLines.size();
@ -2652,8 +2652,7 @@ void DwarfDebug::emitDebugLines() {
// put into it, emit an empty table.
emitEndOfLineMatrix(1);
EmitLabel("line_end", 0);
Asm->O << '\n';
Asm->OutStreamer.EmitLabel(getTempLabel("line_end"));
}
/// emitCommonDebugFrame - Emit common frame info into a debug frame section.
@ -2671,12 +2670,12 @@ void DwarfDebug::emitCommonDebugFrame() {
Asm->OutStreamer.SwitchSection(
Asm->getObjFileLowering().getDwarfFrameSection());
EmitLabel("debug_frame_common", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("debug_frame_common"));
EmitDifference("debug_frame_common_end", 0,
"debug_frame_common_begin", 0, true);
EOL("Length of Common Information Entry");
EmitLabel("debug_frame_common_begin", 0);
Asm->OutStreamer.EmitLabel(getTempLabel("debug_frame_common_begin"));
Asm->EmitInt32((int)dwarf::DW_CIE_ID);
EOL("CIE Identifier Tag");
Asm->EmitInt8(dwarf::DW_CIE_VERSION);
@ -2694,8 +2693,7 @@ void DwarfDebug::emitCommonDebugFrame() {
EmitFrameMoves(NULL, 0, Moves, false);
Asm->EmitAlignment(2, 0, 0, false);
EmitLabel("debug_frame_common_end", 0);
Asm->O << '\n';
Asm->OutStreamer.EmitLabel(getTempLabel("debug_frame_common_end"));
}
/// emitFunctionDebugFrame - Emit per function frame info into a debug frame
@ -2713,7 +2711,8 @@ DwarfDebug::emitFunctionDebugFrame(const FunctionDebugFrameInfo&DebugFrameInfo){
"debug_frame_begin", DebugFrameInfo.Number, true);
EOL("Length of Frame Information Entry");
EmitLabel("debug_frame_begin", DebugFrameInfo.Number);
Asm->OutStreamer.EmitLabel(getDWLabel("debug_frame_begin",
DebugFrameInfo.Number));
EmitSectionOffset(getTempLabel("debug_frame_common"),
getTempLabel("section_debug_frame"), true, false);
@ -2729,7 +2728,8 @@ DwarfDebug::emitFunctionDebugFrame(const FunctionDebugFrameInfo&DebugFrameInfo){
false);
Asm->EmitAlignment(2, 0, 0, false);
EmitLabel("debug_frame_end", DebugFrameInfo.Number);
Asm->OutStreamer.EmitLabel(getDWLabel("debug_frame_end",
DebugFrameInfo.Number));
Asm->O << '\n';
}
@ -2744,7 +2744,7 @@ void DwarfDebug::emitDebugPubNames() {
"pubnames_begin", ModuleCU->getID(), true);
EOL("Length of Public Names Info");
EmitLabel("pubnames_begin", ModuleCU->getID());
Asm->OutStreamer.EmitLabel(getDWLabel("pubnames_begin", ModuleCU->getID()));
Asm->EmitInt16(dwarf::DWARF_VERSION); EOL("DWARF Version");
@ -2771,8 +2771,7 @@ void DwarfDebug::emitDebugPubNames() {
}
Asm->EmitInt32(0); EOL("End Mark");
EmitLabel("pubnames_end", ModuleCU->getID());
Asm->O << '\n';
Asm->OutStreamer.EmitLabel(getDWLabel("pubnames_end", ModuleCU->getID()));
}
void DwarfDebug::emitDebugPubTypes() {
@ -2783,7 +2782,7 @@ void DwarfDebug::emitDebugPubTypes() {
"pubtypes_begin", ModuleCU->getID(), true);
EOL("Length of Public Types Info");
EmitLabel("pubtypes_begin", ModuleCU->getID());
Asm->OutStreamer.EmitLabel(getDWLabel("pubtypes_begin", ModuleCU->getID()));
if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("DWARF Version");
Asm->EmitInt16(dwarf::DWARF_VERSION);
@ -2810,8 +2809,7 @@ void DwarfDebug::emitDebugPubTypes() {
}
Asm->EmitInt32(0); EOL("End Mark");
EmitLabel("pubtypes_end", ModuleCU->getID());
Asm->O << '\n';
Asm->OutStreamer.EmitLabel(getDWLabel("pubtypes_end", ModuleCU->getID()));
}
/// emitDebugStr - Emit visible names into a debug str section.
@ -2827,7 +2825,7 @@ void DwarfDebug::emitDebugStr() {
for (unsigned StringID = 1, N = StringPool.size();
StringID <= N; ++StringID) {
// Emit a label for reference from debug information entries.
EmitLabel("string", StringID);
Asm->OutStreamer.EmitLabel(getDWLabel("string", StringID));
// Emit the string itself.
const std::string &String = StringPool[StringID];
@ -2931,7 +2929,7 @@ void DwarfDebug::emitDebugInlineInfo() {
"debug_inlined_begin", 1, true);
EOL("Length of Debug Inlined Information Entry");
EmitLabel("debug_inlined_begin", 1);
Asm->OutStreamer.EmitLabel(getDWLabel("debug_inlined_begin", 1));
Asm->EmitInt16(dwarf::DWARF_VERSION); EOL("Dwarf Version");
Asm->EmitInt8(TD->getPointerSize()); EOL("Address Size (in bytes)");
@ -2975,6 +2973,5 @@ void DwarfDebug::emitDebugInlineInfo() {
}
}
EmitLabel("debug_inlined_end", 1);
Asm->O << '\n';
Asm->OutStreamer.EmitLabel(getDWLabel("debug_inlined_end", 1));
}

19
llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp
View File

@ -88,10 +88,10 @@ void DwarfException::EmitCIE(const Function *PersonalityFn, unsigned Index) {
O << MAI->getPrivateGlobalPrefix();
O << "EH_frame" << Index << ":\n";
EmitLabel("section_eh_frame", Index);
Asm->OutStreamer.EmitLabel(getDWLabel("section_eh_frame", Index));
// Define base labels.
EmitLabel("eh_frame_common", Index);
Asm->OutStreamer.EmitLabel(getDWLabel("eh_frame_common", Index));
// Define the eh frame length.
EmitDifference("eh_frame_common_end", Index,
@ -99,7 +99,7 @@ void DwarfException::EmitCIE(const Function *PersonalityFn, unsigned Index) {
EOL("Length of Common Information Entry");
// EH frame header.
EmitLabel("eh_frame_common_begin", Index);
Asm->OutStreamer.EmitLabel(getDWLabel("eh_frame_common_begin", Index));
if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("CIE Identifier Tag");
Asm->OutStreamer.EmitIntValue(0, 4/*size*/, 0/*addrspace*/);
if (Asm->VerboseAsm) Asm->OutStreamer.AddComment("DW_CIE_VERSION");
@ -171,8 +171,7 @@ 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);
EmitLabel("eh_frame_common_end", Index);
Asm->O << '\n';
Asm->OutStreamer.EmitLabel(getDWLabel("eh_frame_common_end", Index));
}
/// EmitFDE - Emit the Frame Description Entry (FDE) for the function.
@ -228,7 +227,7 @@ void DwarfException::EmitFDE(const FunctionEHFrameInfo &EHFrameInfo) {
true);
EOL("Length of Frame Information Entry");
EmitLabel("eh_frame_begin", EHFrameInfo.Number);
Asm->OutStreamer.EmitLabel(getDWLabel("eh_frame_begin",EHFrameInfo.Number));
EmitSectionOffset(getDWLabel("eh_frame_begin", EHFrameInfo.Number),
getDWLabel("eh_frame_common",
@ -269,7 +268,7 @@ 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);
EmitLabel("eh_frame_end", EHFrameInfo.Number);
Asm->OutStreamer.EmitLabel(getDWLabel("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
@ -701,7 +700,7 @@ void DwarfException::EmitExceptionTable() {
// Emit the LSDA.
O << "GCC_except_table" << SubprogramCount << ":\n";
EmitLabel("exception", SubprogramCount);
Asm->OutStreamer.EmitLabel(getDWLabel("exception", SubprogramCount));
if (IsSJLJ) {
SmallString<16> LSDAName;
@ -949,7 +948,7 @@ void DwarfException::BeginFunction(const MachineFunction *MF) {
if (shouldEmitMoves || shouldEmitTable)
// Assumes in correct section after the entry point.
EmitLabel("eh_func_begin", ++SubprogramCount);
Asm->OutStreamer.EmitLabel(getDWLabel("eh_func_begin", ++SubprogramCount));
shouldEmitTableModule |= shouldEmitTable;
shouldEmitMovesModule |= shouldEmitMoves;
@ -966,7 +965,7 @@ void DwarfException::EndFunction() {
if (TimePassesIsEnabled)
ExceptionTimer->startTimer();
EmitLabel("eh_func_end", SubprogramCount);
Asm->OutStreamer.EmitLabel(getDWLabel("eh_func_end", SubprogramCount));
EmitExceptionTable();
MCSymbol *FunctionEHSym =

8
llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
View File

@ -232,14 +232,6 @@ void DwarfPrinter::PrintLabelName(const char *Tag, unsigned Number,
O << Suffix;
}
/// EmitLabel - Emit location label for internal use by Dwarf.
///
void DwarfPrinter::EmitLabel(const char *Tag, unsigned Number) const {
// FIXME: REMOVE.
PrintLabelName(Tag, Number);
O << ":\n";
}
/// EmitReference - Emit a reference to a label.
///
void DwarfPrinter::EmitReference(const char *Tag, unsigned Number,

5
llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h
View File

@ -129,11 +129,6 @@ public:
void PrintLabelName(const char *Tag, unsigned Number,
const char *Suffix) const;
/// EmitLabel - Emit location label for internal use by Dwarf.
///
void EmitLabel(const MCSymbol *Label) const;
void EmitLabel(const char *Tag, unsigned Number) const;
/// EmitReference - Emit a reference to a label.
///
void EmitReference(const MCSymbol *Label, bool IsPCRelative = false,