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//===-- AppleObjCRuntimeV1.cpp --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "AppleObjCRuntimeV1.h"
#include "AppleObjCTrampolineHandler.h"
#include "llvm/Support/MachO.h"
#include "clang/AST/Type.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Core/ConstString.h"
#include "lldb/Core/Error.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/Scalar.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Expression/ClangFunction.h"
#include "lldb/Expression/ClangUtilityFunction.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include <vector>
using namespace lldb;
using namespace lldb_private;
static const char *pluginName = "AppleObjCRuntimeV1";
static const char *pluginDesc = "Apple Objective C Language Runtime - Version 1";
static const char *pluginShort = "language.apple.objc.v1";
bool
AppleObjCRuntimeV1::GetDynamicTypeAndAddress (ValueObject &in_value,
lldb::DynamicValueType use_dynamic,
TypeAndOrName &class_type_or_name,
Address &address)
{
return false;
}
//------------------------------------------------------------------
// Static Functions
//------------------------------------------------------------------
lldb_private::LanguageRuntime *
AppleObjCRuntimeV1::CreateInstance (Process *process, lldb::LanguageType language)
{
// FIXME: This should be a MacOS or iOS process, and we need to look for the OBJC section to make
// sure we aren't using the V1 runtime.
if (language == eLanguageTypeObjC)
{
ModuleSP objc_module_sp;
if (AppleObjCRuntime::GetObjCVersion (process, objc_module_sp) == eAppleObjC_V1)
return new AppleObjCRuntimeV1 (process);
else
return NULL;
}
else
return NULL;
}
void
AppleObjCRuntimeV1::Initialize()
{
PluginManager::RegisterPlugin (pluginName,
pluginDesc,
CreateInstance);
}
void
AppleObjCRuntimeV1::Terminate()
{
PluginManager::UnregisterPlugin (CreateInstance);
}
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
const char *
AppleObjCRuntimeV1::GetPluginName()
{
return pluginName;
}
const char *
AppleObjCRuntimeV1::GetShortPluginName()
{
return pluginShort;
}
uint32_t
AppleObjCRuntimeV1::GetPluginVersion()
{
return 1;
}
void
AppleObjCRuntimeV1::SetExceptionBreakpoints ()
{
if (!m_process)
return;
if (!m_objc_exception_bp_sp)
{
m_objc_exception_bp_sp = m_process->GetTarget().CreateBreakpoint (NULL,
"objc_exception_throw",
eFunctionNameTypeBase,
true);
}
}
struct BufStruct {
char contents[2048];
};
ClangUtilityFunction *
AppleObjCRuntimeV1::CreateObjectChecker(const char *name)
{
std::auto_ptr<BufStruct> buf(new BufStruct);
assert(snprintf(&buf->contents[0], sizeof(buf->contents),
"struct __objc_class \n"
"{ \n"
" struct __objc_class *isa; \n"
" struct __objc_class *super_class; \n"
" const char *name; \n"
" // rest of struct elided because unused \n"
"}; \n"
" \n"
"struct __objc_object \n"
"{ \n"
" struct __objc_class *isa; \n"
"}; \n"
" \n"
"extern \"C\" void \n"
"%s(void *$__lldb_arg_obj) \n"
"{ \n"
" struct __objc_object *obj = (struct __objc_object*)$__lldb_arg_obj; \n"
" strlen(obj->isa->name); \n"
"} \n",
name) < sizeof(buf->contents));
return new ClangUtilityFunction(buf->contents, name);
}
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