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Explain why LLVM is emitting a DW_AT_containing_type inside of a class.
author
Adrian Prantl
<aprantl@apple.com>
Fri, 19 Dec 2014 00:01:20 +0000
(
00:01
+0000)
committer
Adrian Prantl
<aprantl@apple.com>
Fri, 19 Dec 2014 00:01:20 +0000
(
00:01
+0000)
llvm-svn: 224555
llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
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diff --git
a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index
b616e54
..
7606a61
100644
(file)
--- a/
llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/
llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@
-1118,6
+1118,8
@@
void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
if (CTy.isAppleBlockExtension())
addFlag(Buffer, dwarf::DW_AT_APPLE_block);
+ // This is outside the DWARF spec, but GDB expects a DW_AT_containing_type
+ // inside C++ composite types to point to the base class with the vtable.
DICompositeType ContainingType(resolve(CTy.getContainingType()));
if (ContainingType)
addDIEEntry(Buffer, dwarf::DW_AT_containing_type,