diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
-rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 8fb3db274ec..fa59307896e 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -252,12 +252,6 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M) // Handle split DWARF. HasSplitDwarf = !Asm->TM.Options.MCOptions.SplitDwarfFile.empty(); - // Pubnames/pubtypes on by default for GDB. - if (DwarfPubSections == Default) - HasDwarfPubSections = tuneForGDB(); - else - HasDwarfPubSections = DwarfPubSections == Enable; - // SCE defaults to linkage names only for abstract subprograms. if (DwarfLinkageNames == DefaultLinkageNames) UseAllLinkageNames = !tuneForSCE(); @@ -391,8 +385,20 @@ void DwarfDebug::constructAbstractSubprogramScopeDIE(DwarfCompileUnit &SrcCU, } } -void DwarfDebug::addGnuPubAttributes(DwarfUnit &U, DIE &D) const { - if (!GenerateGnuPubSections) +bool DwarfDebug::hasDwarfPubSections(bool includeMinimalInlineScopes) const { + // Opting in to GNU Pubnames/types overrides the default to ensure these are + // generated for things like Gold's gdb_index generation. + if (GenerateGnuPubSections) + return true; + + if (DwarfPubSections == Default) + return tuneForGDB() && !includeMinimalInlineScopes; + + return DwarfPubSections == Enable; +} + +void DwarfDebug::addGnuPubAttributes(DwarfCompileUnit &U, DIE &D) const { + if (!hasDwarfPubSections(U.includeMinimalInlineScopes())) return; U.addFlag(D, dwarf::DW_AT_GNU_pubnames); @@ -718,7 +724,9 @@ void DwarfDebug::endModule() { } // Emit the pubnames and pubtypes sections if requested. - if (HasDwarfPubSections) { + // The condition is optimistically correct - any CU not using GMLT (& + // implicit/default pubnames state) might still have pubnames. + if (hasDwarfPubSections(/* gmlt */ false)) { emitDebugPubNames(GenerateGnuPubSections); emitDebugPubTypes(GenerateGnuPubSections); } @@ -1395,7 +1403,7 @@ void DwarfDebug::emitDebugPubSection( const auto &Globals = (TheU->*Accessor)(); - if (Globals.empty()) + if (!hasDwarfPubSections(TheU->includeMinimalInlineScopes())) continue; if (auto *Skeleton = TheU->getSkeleton()) |