diff options
| author | Reid Spencer <rspencer@reidspencer.com> | 2006-10-30 22:32:30 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2006-10-30 22:32:30 +0000 |
| commit | 02b8511364a61b559369d8dc36e82a486f42fec3 (patch) | |
| tree | bc13784e5ba5e28e5c6345f62cc166baa9b306a0 /lib/CodeGen | |
| parent | 6ce644392e0dd182f2eda161b5e69206b58a7c5d (diff) | |
Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4
generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31299 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/DwarfWriter.cpp | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp index fbcf6413be..40de586a3e 100644 --- a/lib/CodeGen/DwarfWriter.cpp +++ b/lib/CodeGen/DwarfWriter.cpp @@ -1921,8 +1921,8 @@ CompileUnit *Dwarf::NewCompileUnit(CompileUnitDesc *UnitDesc, unsigned ID) { // Construct debug information entry. DIE *Die = new DIE(DW_TAG_compile_unit); - Die->AddDelta (DW_AT_stmt_list, DW_FORM_data4, DWLabel("line", 0), - DWLabel("section_line", 0)); + Die->AddDelta (DW_AT_stmt_list, DW_FORM_data4, DWLabel("section_line", 0), + DWLabel("section_line", 0)); // Die->AddLabel (DW_AT_high_pc, DW_FORM_addr, DWLabel("text_end", 0)); // Die->AddLabel (DW_AT_low_pc, DW_FORM_addr, DWLabel("text_begin", 0)); Die->AddString(DW_AT_producer, DW_FORM_string, UnitDesc->getProducer()); @@ -2175,21 +2175,20 @@ void Dwarf::EmitInitial() { didInitial = true; // Dwarf sections base addresses. - Asm->SwitchToDataSection(TAI->getDwarfFrameSection(), 0); - EmitLabel("section_frame", 0); + if (TAI->getDwarfRequiresFrameSection()) { + Asm->SwitchToDataSection(TAI->getDwarfFrameSection(), 0); + EmitLabel("section_frame", 0); + } Asm->SwitchToDataSection(TAI->getDwarfInfoSection(), 0); EmitLabel("section_info", 0); - EmitLabel("info", 0); Asm->SwitchToDataSection(TAI->getDwarfAbbrevSection(), 0); EmitLabel("section_abbrev", 0); - EmitLabel("abbrev", 0); Asm->SwitchToDataSection(TAI->getDwarfARangesSection(), 0); EmitLabel("section_aranges", 0); Asm->SwitchToDataSection(TAI->getDwarfMacInfoSection(), 0); EmitLabel("section_macinfo", 0); Asm->SwitchToDataSection(TAI->getDwarfLineSection(), 0); EmitLabel("section_line", 0); - EmitLabel("line", 0); Asm->SwitchToDataSection(TAI->getDwarfLocSection(), 0); EmitLabel("section_loc", 0); Asm->SwitchToDataSection(TAI->getDwarfPubNamesSection(), 0); @@ -2198,7 +2197,6 @@ void Dwarf::EmitInitial() { EmitLabel("section_str", 0); Asm->SwitchToDataSection(TAI->getDwarfRangesSection(), 0); EmitLabel("section_ranges", 0); - Asm->SwitchToTextSection(TAI->getTextSection(), 0); EmitLabel("text_begin", 0); Asm->SwitchToDataSection(TAI->getDataSection(), 0); @@ -2629,6 +2627,9 @@ void Dwarf::EmitDebugLines() const { /// EmitInitialDebugFrame - Emit common frame info into a debug frame section. /// void Dwarf::EmitInitialDebugFrame() { + if (TAI->getDwarfRequiresFrameSection()) + return; + int stackGrowth = Asm->TM.getFrameInfo()->getStackGrowthDirection() == TargetFrameInfo::StackGrowsUp ? @@ -2664,6 +2665,9 @@ void Dwarf::EmitInitialDebugFrame() { /// EmitFunctionDebugFrame - Emit per function frame info into a debug frame /// section. void Dwarf::EmitFunctionDebugFrame() { + if (TAI->getDwarfRequiresFrameSection()) + return; + // Start the dwarf frame section. Asm->SwitchToDataSection(TAI->getDwarfFrameSection(), 0); |