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various cleanups.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98426 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-13 07:26:18 +00:00
parent da3e9f760c
commit 206d61e62f
1 changed files with 17 additions and 16 deletions
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29
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1321,19 +1321,19 @@ DbgScope *DwarfDebug::getOrCreateAbstractScope(MDNode *N) {
/// If there are global variables in this scope then create and insert /// If there are global variables in this scope then create and insert
/// DIEs for these variables. /// DIEs for these variables.
DIE *DwarfDebug::updateSubprogramScopeDIE(MDNode *SPNode) { DIE *DwarfDebug::updateSubprogramScopeDIE(MDNode *SPNode) {
DIE *SPDie = ModuleCU->getDIE(SPNode); DIE *SPDie = ModuleCU->getDIE(SPNode);
assert (SPDie && "Unable to find subprogram DIE!"); assert(SPDie && "Unable to find subprogram DIE!");
DISubprogram SP(SPNode); DISubprogram SP(SPNode);
// There is not any need to generate specification DIE for a function // There is not any need to generate specification DIE for a function
// defined at compile unit level. If a function is defined inside another // defined at compile unit level. If a function is defined inside another
// function then gdb prefers the definition at top level and but does not // function then gdb prefers the definition at top level and but does not
// expect specification DIE in parent function. So avoid creating // expect specification DIE in parent function. So avoid creating
// specification DIE for a function defined inside a function. // specification DIE for a function defined inside a function.
if (SP.isDefinition() && !SP.getContext().isCompileUnit() if (SP.isDefinition() && !SP.getContext().isCompileUnit() &&
&& !SP.getContext().isFile() !SP.getContext().isFile() && !SP.getContext().isSubprogram()) {
&& !SP.getContext().isSubprogram()) {
addUInt(SPDie, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1); addUInt(SPDie, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1);
// Add arguments. // Add arguments.
DICompositeType SPTy = SP.getType(); DICompositeType SPTy = SP.getType();
DIArray Args = SPTy.getTypeArray(); DIArray Args = SPTy.getTypeArray();
@ -2217,7 +2217,7 @@ MCSymbol *DwarfDebug::recordSourceLine(unsigned Line, unsigned Col, MDNode *S) {
Dir = DB.getDirectory(); Dir = DB.getDirectory();
Fn = DB.getFilename(); Fn = DB.getFilename();
} else } else
assert (0 && "Unexpected scope info"); assert(0 && "Unexpected scope info");
unsigned Src = GetOrCreateSourceID(Dir, Fn); unsigned Src = GetOrCreateSourceID(Dir, Fn);
unsigned ID = MMI->NextLabelID(); unsigned ID = MMI->NextLabelID();
@ -2733,8 +2733,8 @@ void DwarfDebug::emitCommonDebugFrame() {
/// emitFunctionDebugFrame - Emit per function frame info into a debug frame /// emitFunctionDebugFrame - Emit per function frame info into a debug frame
/// section. /// section.
void void DwarfDebug::
DwarfDebug::emitFunctionDebugFrame(const FunctionDebugFrameInfo&DebugFrameInfo){ emitFunctionDebugFrame(const FunctionDebugFrameInfo &DebugFrameInfo) {
if (!MAI->doesDwarfRequireFrameSection()) if (!MAI->doesDwarfRequireFrameSection())
return; return;
@ -2743,11 +2743,13 @@ DwarfDebug::emitFunctionDebugFrame(const FunctionDebugFrameInfo&DebugFrameInfo){
Asm->getObjFileLowering().getDwarfFrameSection()); Asm->getObjFileLowering().getDwarfFrameSection());
Asm->OutStreamer.AddComment("Length of Frame Information Entry"); Asm->OutStreamer.AddComment("Length of Frame Information Entry");
EmitDifference(getDWLabel("debug_frame_end", DebugFrameInfo.Number), MCSymbol *DebugFrameBegin =
getDWLabel("debug_frame_begin", DebugFrameInfo.Number), true); getDWLabel("debug_frame_begin", DebugFrameInfo.Number);
MCSymbol *DebugFrameEnd =
getDWLabel("debug_frame_end", DebugFrameInfo.Number);
EmitDifference(DebugFrameEnd, DebugFrameBegin, true);
Asm->OutStreamer.EmitLabel(getDWLabel("debug_frame_begin", Asm->OutStreamer.EmitLabel(DebugFrameBegin);
DebugFrameInfo.Number));
Asm->OutStreamer.AddComment("FDE CIE offset"); Asm->OutStreamer.AddComment("FDE CIE offset");
EmitSectionOffset(getTempLabel("debug_frame_common"), EmitSectionOffset(getTempLabel("debug_frame_common"),
@ -2768,8 +2770,7 @@ DwarfDebug::emitFunctionDebugFrame(const FunctionDebugFrameInfo&DebugFrameInfo){
false); false);
Asm->EmitAlignment(2, 0, 0, false); Asm->EmitAlignment(2, 0, 0, false);
Asm->OutStreamer.EmitLabel(getDWLabel("debug_frame_end", Asm->OutStreamer.EmitLabel(DebugFrameEnd);
DebugFrameInfo.Number));
} }
/// emitDebugPubNames - Emit visible names into a debug pubnames section. /// emitDebugPubNames - Emit visible names into a debug pubnames section.