forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			87 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			3.0 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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| 
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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/Core/Log.h"
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| #include "lldb/Core/Stream.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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| 
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| using namespace lldb;
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| using namespace lldb_private;
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| 
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| //--------------------------------------------------------------------------------------------
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| // ThreadPlanCallFunctionUsingABI: Plan to call a single function using the ABI instead of JIT
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| //-------------------------------------------------------------------------------------------
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| ThreadPlanCallFunctionUsingABI::ThreadPlanCallFunctionUsingABI (Thread &thread,
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|                                                           const Address &function,
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|                                                           llvm::Type &prototype,
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|                                                           llvm::Type &return_type,
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|                                                           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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| {
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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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| 
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|     if (!ConstructorSetup(thread, abi, start_load_addr, function_load_addr))
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|         return;
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| 
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|     if (!abi->PrepareTrivialCall(thread,
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|         m_function_sp,
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|         function_load_addr,
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|         start_load_addr,
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|         prototype,
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|         args))
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|         return;
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| 
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|     ReportRegisterState("ABI Function call was set up.  Register state was:");
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| 
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|     m_valid = true;
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| }
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| 
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| ThreadPlanCallFunctionUsingABI::~ThreadPlanCallFunctionUsingABI() = default;
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| 
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| void
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| ThreadPlanCallFunctionUsingABI::GetDescription(Stream *s, DescriptionLevel level)
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| {
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|     if (level == eDescriptionLevelBrief)
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|     {
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|         s->Printf("Function call thread plan using ABI instead of JIT");
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|     }
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|     else
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|     {
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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", m_function_addr.GetLoadAddress(target_sp.get()));
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|     }
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| }
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| 
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| void
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| ThreadPlanCallFunctionUsingABI::SetReturnValue()
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| {
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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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| 
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|     // Ask the abi for the return value
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|     if (abi)
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|     {
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|         const bool persistent = false;
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|         m_return_valobj_sp = abi->GetReturnValueObject(m_thread, m_return_type, persistent);
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|     }
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| }
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