diff options
| 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 | |
| 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')
| -rw-r--r-- | lib/IR/DIBuilder.cpp | 18 | ||||
| -rw-r--r-- | lib/IR/DebugInfo.cpp | 2 |
2 files changed, 20 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) { diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp index 5dd9dd1c9d..b5e1d177df 100644 --- a/lib/IR/DebugInfo.cpp +++ b/lib/IR/DebugInfo.cpp @@ -172,6 +172,7 @@ bool DIDescriptor::isDerivedType() const { switch (getTag()) { case dwarf::DW_TAG_typedef: case dwarf::DW_TAG_pointer_type: + case dwarf::DW_TAG_ptr_to_member_type: case dwarf::DW_TAG_reference_type: case dwarf::DW_TAG_rvalue_reference_type: case dwarf::DW_TAG_const_type: @@ -423,6 +424,7 @@ bool DIType::Verify() const { unsigned Tag = getTag(); if (!isBasicType() && Tag != dwarf::DW_TAG_const_type && Tag != dwarf::DW_TAG_volatile_type && Tag != dwarf::DW_TAG_pointer_type && + Tag != dwarf::DW_TAG_ptr_to_member_type && Tag != dwarf::DW_TAG_reference_type && Tag != dwarf::DW_TAG_rvalue_reference_type && Tag != dwarf::DW_TAG_restrict_type && Tag != dwarf::DW_TAG_vector_type && |