forked from OSchip/llvm-project
129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
//===-- ThreadPlanCallUserExpression.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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#include "lldb/Target/ThreadPlanCallUserExpression.h"
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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/Breakpoint/Breakpoint.h"
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#include "lldb/Breakpoint/BreakpointLocation.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/Expression/DiagnosticManager.h"
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#include "lldb/Expression/IRDynamicChecks.h"
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#include "lldb/Expression/UserExpression.h"
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#include "lldb/Host/HostInfo.h"
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#include "lldb/Target/LanguageRuntime.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/StopInfo.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/Target/ThreadPlanRunToAddress.h"
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using namespace lldb;
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using namespace lldb_private;
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//----------------------------------------------------------------------
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// ThreadPlanCallUserExpression: Plan to call a single function
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//----------------------------------------------------------------------
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ThreadPlanCallUserExpression::ThreadPlanCallUserExpression (Thread &thread,
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Address &function,
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llvm::ArrayRef<lldb::addr_t> args,
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const EvaluateExpressionOptions &options,
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lldb::UserExpressionSP &user_expression_sp) :
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ThreadPlanCallFunction (thread, function, CompilerType(), args, options),
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m_user_expression_sp (user_expression_sp)
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{
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// User expressions are generally "User generated" so we should set them up to stop when done.
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SetIsMasterPlan (true);
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SetOkayToDiscard(false);
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}
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ThreadPlanCallUserExpression::~ThreadPlanCallUserExpression ()
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{
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}
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void
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ThreadPlanCallUserExpression::GetDescription (Stream *s, lldb::DescriptionLevel level)
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{
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if (level == eDescriptionLevelBrief)
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s->Printf("User Expression thread plan");
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else
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ThreadPlanCallFunction::GetDescription (s, level);
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}
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void
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ThreadPlanCallUserExpression::WillPop ()
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{
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ThreadPlanCallFunction::WillPop();
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if (m_user_expression_sp)
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m_user_expression_sp.reset();
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}
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bool
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ThreadPlanCallUserExpression::MischiefManaged ()
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP));
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if (IsPlanComplete())
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{
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if (log)
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log->Printf("ThreadPlanCallFunction(%p): Completed call function plan.",
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static_cast<void*>(this));
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if (m_manage_materialization && PlanSucceeded() && m_user_expression_sp)
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{
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lldb::addr_t function_stack_top;
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lldb::addr_t function_stack_bottom;
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lldb::addr_t function_stack_pointer = GetFunctionStackPointer();
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function_stack_bottom = function_stack_pointer - HostInfo::GetPageSize();
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function_stack_top = function_stack_pointer;
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DiagnosticManager diagnostics;
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ExecutionContext exe_ctx(GetThread());
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m_user_expression_sp->FinalizeJITExecution(diagnostics, exe_ctx, m_result_var_sp, function_stack_bottom,
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function_stack_top);
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}
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ThreadPlan::MischiefManaged();
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return true;
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}
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else
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{
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return false;
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}
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}
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StopInfoSP
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ThreadPlanCallUserExpression::GetRealStopInfo()
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{
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StopInfoSP stop_info_sp = ThreadPlanCallFunction::GetRealStopInfo();
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if (stop_info_sp)
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{
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lldb::addr_t addr = GetStopAddress();
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DynamicCheckerFunctions *checkers = m_thread.GetProcess()->GetDynamicCheckers();
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StreamString s;
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if (checkers && checkers->DoCheckersExplainStop(addr, s))
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stop_info_sp->SetDescription(s.GetData());
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}
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return stop_info_sp;
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}
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