67 lines · cpp
1//===-- ThreadPlanCallFunctionUsingABI.cpp --------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "lldb/Target/ThreadPlanCallFunctionUsingABI.h"10#include "lldb/Core/Address.h"11#include "lldb/Target/Process.h"12#include "lldb/Target/RegisterContext.h"13#include "lldb/Target/Target.h"14#include "lldb/Target/Thread.h"15#include "lldb/Utility/Log.h"16#include "lldb/Utility/Stream.h"17 18using namespace lldb;19using namespace lldb_private;20 21// ThreadPlanCallFunctionUsingABI: Plan to call a single function using the ABI22// instead of JIT23ThreadPlanCallFunctionUsingABI::ThreadPlanCallFunctionUsingABI(24 Thread &thread, const Address &function, llvm::Type &prototype,25 llvm::Type &return_type, llvm::ArrayRef<ABI::CallArgument> args,26 const EvaluateExpressionOptions &options)27 : ThreadPlanCallFunction(thread, function, options),28 m_return_type(return_type) {29 lldb::addr_t start_load_addr = LLDB_INVALID_ADDRESS;30 lldb::addr_t function_load_addr = LLDB_INVALID_ADDRESS;31 ABI *abi = nullptr;32 33 if (!ConstructorSetup(thread, abi, start_load_addr, function_load_addr))34 return;35 36 if (!abi->PrepareTrivialCall(thread, m_function_sp, function_load_addr,37 start_load_addr, prototype, args))38 return;39 40 ReportRegisterState("ABI Function call was set up. Register state was:");41 42 m_valid = true;43}44 45ThreadPlanCallFunctionUsingABI::~ThreadPlanCallFunctionUsingABI() = default;46 47void ThreadPlanCallFunctionUsingABI::GetDescription(Stream *s,48 DescriptionLevel level) {49 if (level == eDescriptionLevelBrief) {50 s->Printf("Function call thread plan using ABI instead of JIT");51 } else {52 s->Printf("Thread plan to call 0x%" PRIx64 " using ABI instead of JIT",53 m_function_addr.GetLoadAddress(&GetTarget()));54 }55}56 57void ThreadPlanCallFunctionUsingABI::SetReturnValue() {58 const ABI *abi = m_process.GetABI().get();59 60 // Ask the abi for the return value61 if (abi) {62 const bool persistent = false;63 m_return_valobj_sp =64 abi->GetReturnValueObject(GetThread(), m_return_type, persistent);65 }66}67