diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp index f296467..a61fa83 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.cpp @@ -39,6 +39,28 @@ DwarfStringPool::EntryRef DwarfStringPool::getEntry(AsmPrinter &Asm, return EntryRef(*I.first); } +void DwarfStringPool::emitStringOffsetsTableHeader(AsmPrinter &Asm, + MCSection *Section, + MCSymbol *StartSym) { + if (empty()) + return; + Asm.OutStreamer->SwitchSection(Section); + unsigned EntrySize = 4; + // FIXME: DWARF64 + // We are emitting the header for a contribution to the string offsets + // table. The header consists of an entry with the contribution's + // size (not including the size of the length field), the DWARF version and + // 2 bytes of padding. + Asm.emitInt32(size() * EntrySize + 4); + Asm.emitInt16(Asm.getDwarfVersion()); + Asm.emitInt16(0); + // Define the symbol that marks the start of the contribution. It is + // referenced by most unit headers via DW_AT_str_offsets_base. + // Split units do not use the attribute. + if (StartSym) + Asm.OutStreamer->EmitLabel(StartSym); +} + void DwarfStringPool::emit(AsmPrinter &Asm, MCSection *StrSection, MCSection *OffsetSection, bool UseRelativeOffsets) { if (Pool.empty()) |