diff options
| author | Igor Kudrin <ikudrin@accesssoftek.com> | 2020-06-03 16:51:51 +0700 |
|---|---|---|
| committer | Igor Kudrin <ikudrin@accesssoftek.com> | 2020-06-16 15:50:13 +0700 |
| commit | ab7458fb04ae6e12925fd85f2277bb9fa78d61eb (patch) | |
| tree | e5d5e5571cdea0211baf0e812aee67781ea049cb /llvm/lib/MC/MCDwarf.cpp | |
| parent | b5f8959bcd9f5377c988da78c55ef62ee97090df (diff) | |
| download | llvm-ab7458fb04ae6e12925fd85f2277bb9fa78d61eb.zip llvm-ab7458fb04ae6e12925fd85f2277bb9fa78d61eb.tar.gz llvm-ab7458fb04ae6e12925fd85f2277bb9fa78d61eb.tar.bz2 | |
[MC] Generate .debug_rnglists in the 64-bit DWARF format [5/7]
In addition, the patch fixes referencing the section within
a compilation unit.
Differential Revision: https://reviews.llvm.org/D81147
Diffstat (limited to 'llvm/lib/MC/MCDwarf.cpp')
| -rw-r--r-- | llvm/lib/MC/MCDwarf.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/llvm/lib/MC/MCDwarf.cpp b/llvm/lib/MC/MCDwarf.cpp index a9820f8..d727de4 100644 --- a/llvm/lib/MC/MCDwarf.cpp +++ b/llvm/lib/MC/MCDwarf.cpp @@ -50,8 +50,14 @@ MCSymbol *mcdwarf::emitListsTableHeaderStart(MCStreamer &S) { S.getContext().createTempSymbol("debug_list_header_start", true, true); MCSymbol *End = S.getContext().createTempSymbol("debug_list_header_end", true, true); + auto DwarfFormat = S.getContext().getDwarfFormat(); + if (DwarfFormat == dwarf::DWARF64) { + S.AddComment("DWARF64 mark"); + S.emitInt32(dwarf::DW_LENGTH_DWARF64); + } S.AddComment("Length"); - S.emitAbsoluteSymbolDiff(End, Start, 4); + S.emitAbsoluteSymbolDiff(End, Start, + dwarf::getDwarfOffsetByteSize(DwarfFormat)); S.emitLabel(Start); S.AddComment("Version"); S.emitInt16(S.getContext().getDwarfVersion()); @@ -1014,9 +1020,9 @@ static void EmitGenDwarfInfo(MCStreamer *MCOS, if (RangesSymbol) { // There are multiple sections containing code, so we must use - // .debug_ranges/.debug_rnglists. AT_ranges, the 4 byte offset from the + // .debug_ranges/.debug_rnglists. AT_ranges, the 4/8 byte offset from the // start of the .debug_ranges/.debug_rnglists. - MCOS->emitSymbolValue(RangesSymbol, 4); + MCOS->emitSymbolValue(RangesSymbol, OffsetSize); } else { // If we only have one non-empty code section, we can use the simpler // AT_low_pc and AT_high_pc attributes. |