diff options
Diffstat (limited to 'lib/MC/MCDwarf.cpp')
| -rw-r--r-- | lib/MC/MCDwarf.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp index fe20a6d9a9..d52c7a7692 100644 --- a/lib/MC/MCDwarf.cpp +++ b/lib/MC/MCDwarf.cpp @@ -137,6 +137,7 @@ static inline void EmitDwarfLineTable(MCStreamer *MCOS, unsigned Column = 0; unsigned Flags = DWARF2_LINE_DEFAULT_IS_STMT ? DWARF2_FLAG_IS_STMT : 0; unsigned Isa = 0; + unsigned Discriminator = 0; MCSymbol *LastLabel = NULL; // Loop through each MCLineEntry and encode the dwarf line number table. @@ -154,6 +155,15 @@ static inline void EmitDwarfLineTable(MCStreamer *MCOS, MCOS->EmitIntValue(dwarf::DW_LNS_set_column, 1); MCOS->EmitULEB128IntValue(Column); } + if (Discriminator != it->getDiscriminator()) { + Discriminator = it->getDiscriminator(); + unsigned Size = + MCOS->getContext().getAsmInfo()->getULEB128Size(Discriminator); + MCOS->EmitIntValue(dwarf::DW_LNS_extended_op, 1); + MCOS->EmitULEB128IntValue(Size + 1); + MCOS->EmitIntValue(dwarf::DW_LNE_set_discriminator, 1); + MCOS->EmitULEB128IntValue(Discriminator); + } if (Isa != it->getIsa()) { Isa = it->getIsa(); MCOS->EmitIntValue(dwarf::DW_LNS_set_isa, 1); |