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