diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp index ce4d195507b..8cc283f9a6f 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp @@ -395,4 +395,30 @@ void DwarfCompileUnit::addSectionDelta(DIE &Die, dwarf::Attribute Attribute, Value); } +void +DwarfCompileUnit::addScopeRangeList(DIE &ScopeDIE, + const SmallVectorImpl<InsnRange> &Range) { + // Emit offset in .debug_range as a relocatable label. emitDIE will handle + // emitting it appropriately. + MCSymbol *RangeSym = + Asm->GetTempSymbol("debug_ranges", DD->getNextRangeNumber()); + + auto *RangeSectionSym = DD->getRangeSectionSym(); + + // Under fission, ranges are specified by constant offsets relative to the + // CU's DW_AT_GNU_ranges_base. + if (DD->useSplitDwarf()) + addSectionDelta(ScopeDIE, dwarf::DW_AT_ranges, RangeSym, RangeSectionSym); + else + addSectionLabel(ScopeDIE, dwarf::DW_AT_ranges, RangeSym, RangeSectionSym); + + RangeSpanList List(RangeSym); + for (const InsnRange &R : Range) + List.addRange(RangeSpan(DD->getLabelBeforeInsn(R.first), + DD->getLabelAfterInsn(R.second))); + + // Add the range list to the set of ranges to be emitted. + addRangeList(std::move(List)); +} + } // end llvm namespace |
