diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index d557f40348..326c4482d2 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1054,11 +1054,17 @@ void DwarfDebug::finalizeModuleInfo() { // FIXME: We should use ranges if we have multiple compile units or // allow reordering of code ala .subsections_via_symbols in mach-o. DwarfCompileUnit *U = SkCU ? SkCU : static_cast<DwarfCompileUnit *>(TheU); - if (useCURanges() && TheU->getRanges().size()) + if (useCURanges() && TheU->getRanges().size()) { addSectionLabel(Asm, U, U->getUnitDie(), dwarf::DW_AT_ranges, Asm->GetTempSymbol("cu_ranges", U->getUniqueID()), DwarfDebugRangeSectionSym); - else + + // A DW_AT_low_pc attribute may also be specified in combination with + // DW_AT_ranges to specify the default base address for use in location + // lists (see Section 2.6.2) and range lists (see Section 2.17.3). + U->addUInt(U->getUnitDie(), dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, + 0); + } else U->addUInt(U->getUnitDie(), dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, 0); } |