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DebugInfo: Emit function definitions within their namespace scope.

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This workaround (presumably for ancient GDB) doesn't appear to be
required (GDB 7.5 seems to tolerate function definition DIEs in
namespace scope just fine).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209189 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-05-20 03:23:24 +00:00
parent 53d560e8eb
commit 956583e98e
2 changed files with 44 additions and 22 deletions
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22
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -326,28 +326,6 @@ DIE &DwarfDebug::updateSubprogramScopeDIE(DwarfCompileUnit &SPCU,
// Pick up abstract subprogram DIE.
SPDie = &SPCU.createAndAddDIE(dwarf::DW_TAG_subprogram, SPCU.getUnitDie());
SPCU.addDIEEntry(*SPDie, dwarf::DW_AT_abstract_origin, *AbsSPDIE);
} else if (!SP.getFunctionDeclaration()) {
// There is not any need to generate specification DIE for a function
// defined at compile unit level. If a function is defined inside another
// function then gdb prefers the definition at top level and but does not
// expect specification DIE in parent function. So avoid creating
// specification DIE for a function defined inside a function.
DIScope SPContext = resolve(SP.getContext());
if (SP.isDefinition() && !SPContext.isCompileUnit() &&
!SPContext.isFile() && !isSubprogramContext(SPContext)) {
SPCU.addFlag(*SPDie, dwarf::DW_AT_declaration);
// Add arguments.
DICompositeType SPTy = SP.getType();
DIArray Args = SPTy.getTypeArray();
uint16_t SPTag = SPTy.getTag();
if (SPTag == dwarf::DW_TAG_subroutine_type)
SPCU.constructSubprogramArguments(*SPDie, Args);
DIE *SPDeclDie = SPDie;
SPDie =
&SPCU.createAndAddDIE(dwarf::DW_TAG_subprogram, SPCU.getUnitDie());
SPCU.addDIEEntry(*SPDie, dwarf::DW_AT_specification, *SPDeclDie);
}
}
attachLowHighPC(SPCU, *SPDie, FunctionBeginSym, FunctionEndSym);