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| author | Paul Robinson <paul.robinson@sony.com> | 2018-02-06 20:29:21 +0000 |
|---|---|---|
| committer | Paul Robinson <paul.robinson@sony.com> | 2018-02-06 20:29:21 +0000 |
| commit | 1f90029a0dbbf5d0c6e60088e4cd1e530f5e7ae3 (patch) | |
| tree | a50870840a1a29310736eb2c3524d7f1027d9d7f /llvm/lib/MC/MCObjectFileInfo.cpp | |
| parent | 8abaf8954a97f20d0fd036e8e32e4b69d23f342e (diff) | |
| download | bcm5719-llvm-1f90029a0dbbf5d0c6e60088e4cd1e530f5e7ae3.tar.gz bcm5719-llvm-1f90029a0dbbf5d0c6e60088e4cd1e530f5e7ae3.zip | |
[DWARFv5] Emit .debug_line_str (in a non-DWO file).
This should enable the linker to do string-pooling of path names.
Differential Revision: https://reviews.llvm.org/D42707
llvm-svn: 324393
Diffstat (limited to 'llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | llvm/lib/MC/MCObjectFileInfo.cpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp index f0f4dee8fc1..4eebda6d3ed 100644 --- a/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/llvm/lib/MC/MCObjectFileInfo.cpp @@ -228,6 +228,9 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) { DwarfLineSection = Ctx->getMachOSection("__DWARF", "__debug_line", MachO::S_ATTR_DEBUG, SectionKind::getMetadata(), "section_line"); + DwarfLineStrSection = + Ctx->getMachOSection("__DWARF", "__debug_line_str", MachO::S_ATTR_DEBUG, + SectionKind::getMetadata(), "section_line_str"); DwarfFrameSection = Ctx->getMachOSection("__DWARF", "__debug_frame", MachO::S_ATTR_DEBUG, SectionKind::getMetadata()); @@ -527,6 +530,9 @@ void MCObjectFileInfo::initELFMCObjectFileInfo(const Triple &T, bool Large) { Ctx->getELFSection(".debug_abbrev", DebugSecType, 0); DwarfInfoSection = Ctx->getELFSection(".debug_info", DebugSecType, 0); DwarfLineSection = Ctx->getELFSection(".debug_line", DebugSecType, 0); + DwarfLineStrSection = + Ctx->getELFSection(".debug_line_str", DebugSecType, + ELF::SHF_MERGE | ELF::SHF_STRINGS, 1, ""); DwarfFrameSection = Ctx->getELFSection(".debug_frame", DebugSecType, 0); DwarfPubNamesSection = Ctx->getELFSection(".debug_pubnames", DebugSecType, 0); @@ -677,7 +683,11 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) { COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ, SectionKind::getMetadata(), "section_line"); - + DwarfLineStrSection = Ctx->getCOFFSection( + ".debug_line_str", + COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getMetadata(), "section_line_str"); DwarfFrameSection = Ctx->getCOFFSection( ".debug_frame", COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | @@ -842,6 +852,8 @@ void MCObjectFileInfo::initWasmMCObjectFileInfo(const Triple &T) { // TODO: Set the section types and flags. DwarfLineSection = Ctx->getWasmSection(".debug_line", SectionKind::getMetadata()); + DwarfLineStrSection = + Ctx->getWasmSection(".debug_line_str", SectionKind::getMetadata()); DwarfStrSection = Ctx->getWasmSection(".debug_str", SectionKind::getMetadata()); DwarfLocSection = Ctx->getWasmSection(".debug_loc", SectionKind::getMetadata()); DwarfAbbrevSection = Ctx->getWasmSection(".debug_abbrev", SectionKind::getMetadata(), "section_abbrev"); |
