c982c768d2
enabled LLVM make style building and made this compile LLDB on Mac OS X. We can now iterate on this to make the build work on both linux and macosx. llvm-svn: 108009
117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
//===-- ObjCObjectPrinter.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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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Core/StreamString.h"
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#include "lldb/Expression/ClangFunction.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/Target.h"
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#include "lldb/Target/ObjCObjectPrinter.h"
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using namespace lldb;
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using namespace lldb_private;
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//----------------------------------------------------------------------
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// ObjCObjectPrinter constructor
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//----------------------------------------------------------------------
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ObjCObjectPrinter::ObjCObjectPrinter (Process &process) :
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m_process(process)
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{
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}
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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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ObjCObjectPrinter::~ObjCObjectPrinter ()
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{
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}
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bool
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ObjCObjectPrinter::PrintObject (ConstString &str, Value &object_ptr, ExecutionContext &exe_ctx)
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{
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if (!exe_ctx.process)
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return false;
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const Address *function_address = GetPrintForDebuggerAddr();
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if (!function_address)
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return false;
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const char *target_triple = exe_ctx.process->GetTargetTriple().GetCString();
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ClangASTContext *ast_context = exe_ctx.target->GetScratchClangASTContext();
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void *return_qualtype = ast_context->GetCStringType(true);
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Value ret;
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ret.SetContext(Value::eContextTypeOpaqueClangQualType, return_qualtype);
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ValueList arg_value_list;
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arg_value_list.PushValue(object_ptr);
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ClangFunction func(target_triple, ast_context, return_qualtype, *function_address, arg_value_list);
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StreamString error_stream;
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lldb::addr_t wrapper_struct_addr = LLDB_INVALID_ADDRESS;
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func.InsertFunction(exe_ctx, wrapper_struct_addr, error_stream);
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// FIXME: Check result of ExecuteFunction.
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func.ExecuteFunction(exe_ctx, &wrapper_struct_addr, error_stream, true, 1000, true, ret);
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addr_t result_ptr = ret.GetScalar().ULongLong(LLDB_INVALID_ADDRESS);
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// poor man's strcpy
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Error error;
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std::vector<char> desc;
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while (1)
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{
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char byte = '\0';
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if (exe_ctx.process->ReadMemory(result_ptr + desc.size(), &byte, 1, error) != 1)
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break;
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desc.push_back(byte);
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if (byte == '\0')
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break;
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}
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if (!desc.empty())
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{
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str.SetCString(desc.data());
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return true;
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}
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return false;
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}
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Address *
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ObjCObjectPrinter::GetPrintForDebuggerAddr()
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{
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if (!m_PrintForDebugger_addr.get())
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{
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ModuleList &modules = m_process.GetTarget().GetImages();
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SymbolContextList contexts;
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SymbolContext context;
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if((!modules.FindSymbolsWithNameAndType(ConstString ("_NSPrintForDebugger"), eSymbolTypeCode, contexts)) &&
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(!modules.FindSymbolsWithNameAndType(ConstString ("_CFPrintForDebugger"), eSymbolTypeCode, contexts)))
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return NULL;
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contexts.GetContextAtIndex(0, context);
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m_PrintForDebugger_addr.reset(new Address(context.symbol->GetValue()));
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}
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return m_PrintForDebugger_addr.get();
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}
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