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authorManman Ren <mren@apple.com>2013-02-27 00:02:32 +0000
committerManman Ren <mren@apple.com>2013-02-27 00:02:32 +0000
commit06df83c25a7b07b3a19a40bd680c0a205bcc0b9a (patch)
tree5501f6eea0c939697703be881f69ba178516d2fd /lib/CodeGen
parentb3201c5cf1e183d840f7c99ff779d57f1549d8e5 (diff)
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Debug Info: for static member variables, add AT_MIPS_linkage_name to the
definition DIE, to make old GDB happy. We have a regression for old GDB when Clang uses DW_TAG_member to declare static members inside a class, instead of DW_TAG_variable. This patch will fix this regression. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176143 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
-rw-r--r--lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index 93b00fb..59e433b 100644
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -1348,9 +1348,15 @@ void CompileUnit::createGlobalVariableDIE(const MDNode *N) {
}
// Add linkage name.
StringRef LinkageName = GV.getLinkageName();
- if (!LinkageName.empty() && isGlobalVariable)
+ if (!LinkageName.empty() && isGlobalVariable) {
addString(VariableDIE, dwarf::DW_AT_MIPS_linkage_name,
getRealLinkageName(LinkageName));
+ // To make old GDB happy, for static member variables, we add
+ // AT_MIPS_linkage_name to the definition DIE as well.
+ if (IsStaticMember && VariableSpecDIE)
+ addString(VariableSpecDIE, dwarf::DW_AT_MIPS_linkage_name,
+ getRealLinkageName(LinkageName));
+ }
} else if (const ConstantInt *CI =
dyn_cast_or_null<ConstantInt>(GV.getConstant())) {
// AT_const_value was added when the static memeber was created. To avoid