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