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Make the Class Descriptors able to fetch the class name for unrealized classes 

llvm-svn: 164050
This commit is contained in:
Enrico Granata 2012-09-17 19:51:33 +00:00
parent 9b44493304
commit ee23ae264b
2 changed files with 35 additions and 1 deletions
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7
lldb/include/lldb/Target/ObjCLanguageRuntime.h
View File

@ -95,6 +95,13 @@ public:
virtual uint64_t
GetInstanceSize () = 0;
virtual bool
IsRealized ()
{
// anything other than some instances of v2 classes are always realized
return true;
}
// use to implement version-specific additional constraints on pointers
virtual bool
CheckPointer (lldb::addr_t value,

29
lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
View File

@ -1029,6 +1029,12 @@ public:
return m_isa;
}
virtual bool
IsRealized ()
{
return m_realized;
}
virtual
~ClassDescriptorV2 ()
{}
@ -1107,9 +1113,28 @@ protected:
return;
}
lldb::addr_t rot_pointer;
// now construct the data object
lldb::addr_t rot_pointer = process_sp->ReadPointerFromMemory(data_ptr + 8, error);
uint32_t flags;
process_sp->ReadMemory(data_ptr, &flags, 4, error);
if (error.Fail())
{
m_valid = false;
return;
}
if (flags & RW_REALIZED)
{
m_realized = true;
rot_pointer = process_sp->ReadPointerFromMemory(data_ptr + 8, error);
}
else
{
m_realized = false;
rot_pointer = data_ptr;
}
if (error.Fail())
{
@ -1154,12 +1179,14 @@ protected:
}
private:
static const uint32_t RW_REALIZED = (1 << 31);
ConstString m_name;
ObjCLanguageRuntime::ObjCISA m_isa;
ObjCLanguageRuntime::ObjCISA m_parent_isa;
bool m_valid;
lldb::ProcessWP m_process_wp;
uint64_t m_instance_size;
bool m_realized;
};
class ClassDescriptorV2Tagged : public ObjCLanguageRuntime::ClassDescriptor