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| author | David Blaikie <dblaikie@gmail.com> | 2013-01-07 05:51:15 +0000 |
|---|---|---|
| committer | David Blaikie <dblaikie@gmail.com> | 2013-01-07 05:51:15 +0000 |
| commit | 62fdfb5fa7efdfd61339e4abe6fd87e60e939e58 (patch) | |
| tree | 8bc041a867c00dad763d611bd16417920b2b45cb /lib/IR/DIBuilder.cpp | |
| parent | 71ab7a79a74ebb3dad1aac02c5a5c7c2c20b547f (diff) | |
PR14759: Debug info support for C++ member pointers.
This works fine with GDB for member variable pointers, but GDB's support for
member function pointers seems to be quite unrelated to
DW_TAG_ptr_to_member_type. (see GDB bug 14998 for details)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171698 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/IR/DIBuilder.cpp')
| -rw-r--r-- | lib/IR/DIBuilder.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp index 802c33289c..9fd0cd8683 100644 --- a/lib/IR/DIBuilder.cpp +++ b/lib/IR/DIBuilder.cpp @@ -229,6 +229,24 @@ DIType DIBuilder::createPointerType(DIType PointeeTy, uint64_t SizeInBits, return DIType(MDNode::get(VMContext, Elts)); } +DIType DIBuilder::createMemberPointerType(DIType PointeeTy, DIType Base) { + // Pointer types are encoded in DIDerivedType format. + Value *Elts[] = { + GetTagConstant(VMContext, dwarf::DW_TAG_ptr_to_member_type), + NULL, //TheCU, + NULL, + NULL, // Filename + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line + ConstantInt::get(Type::getInt64Ty(VMContext), 0), + ConstantInt::get(Type::getInt64Ty(VMContext), 0), + ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset + ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags + PointeeTy, + Base + }; + return DIType(MDNode::get(VMContext, Elts)); +} + /// createReferenceType - Create debugging information entry for a reference /// type. DIType DIBuilder::createReferenceType(unsigned Tag, DIType RTy) { |