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//===-- ThreadPlanCallFunctionUsingABI.cpp ----------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Target/ThreadPlanCallFunctionUsingABI.h"
#include "lldb/Core/Address.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/Stream.h"
using namespace lldb;
using namespace lldb_private;
//--------------------------------------------------------------------------------------------
// ThreadPlanCallFunctionUsingABI: Plan to call a single function using the ABI
// instead of JIT
//-------------------------------------------------------------------------------------------
ThreadPlanCallFunctionUsingABI::ThreadPlanCallFunctionUsingABI(
Thread &thread, const Address &function, llvm::Type &prototype,
llvm::Type &return_type, llvm::ArrayRef<ABI::CallArgument> args,
const EvaluateExpressionOptions &options)
: ThreadPlanCallFunction(thread, function, options),
m_return_type(return_type) {
lldb::addr_t start_load_addr = LLDB_INVALID_ADDRESS;
lldb::addr_t function_load_addr = LLDB_INVALID_ADDRESS;
ABI *abi = nullptr;
if (!ConstructorSetup(thread, abi, start_load_addr, function_load_addr))
return;
if (!abi->PrepareTrivialCall(thread, m_function_sp, function_load_addr,
start_load_addr, prototype, args))
return;
ReportRegisterState("ABI Function call was set up. Register state was:");
m_valid = true;
}
ThreadPlanCallFunctionUsingABI::~ThreadPlanCallFunctionUsingABI() = default;
void ThreadPlanCallFunctionUsingABI::GetDescription(Stream *s,
DescriptionLevel level) {
if (level == eDescriptionLevelBrief) {
s->Printf("Function call thread plan using ABI instead of JIT");
} else {
TargetSP target_sp(m_thread.CalculateTarget());
s->Printf("Thread plan to call 0x%" PRIx64 " using ABI instead of JIT",
m_function_addr.GetLoadAddress(target_sp.get()));
}
}
void ThreadPlanCallFunctionUsingABI::SetReturnValue() {
ProcessSP process_sp(m_thread.GetProcess());
const ABI *abi = process_sp ? process_sp->GetABI().get() : nullptr;
// Ask the abi for the return value
if (abi) {
const bool persistent = false;
m_return_valobj_sp =
abi->GetReturnValueObject(m_thread, m_return_type, persistent);
}
}
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