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      1 //===-- ThreadPlanCallUserExpression.cpp ------------------------------*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include "lldb/Target/ThreadPlanCallUserExpression.h"
     11 
     12 // C Includes
     13 // C++ Includes
     14 // Other libraries and framework includes
     15 #include "llvm/Support/MachO.h"
     16 // Project includes
     17 #include "lldb/lldb-private-log.h"
     18 #include "lldb/Breakpoint/Breakpoint.h"
     19 #include "lldb/Breakpoint/BreakpointLocation.h"
     20 #include "lldb/Core/Address.h"
     21 #include "lldb/Core/Log.h"
     22 #include "lldb/Core/Stream.h"
     23 #include "lldb/Expression/ClangUserExpression.h"
     24 #include "lldb/Target/LanguageRuntime.h"
     25 #include "lldb/Target/Process.h"
     26 #include "lldb/Target/RegisterContext.h"
     27 #include "lldb/Target/StopInfo.h"
     28 #include "lldb/Target/Target.h"
     29 #include "lldb/Target/Thread.h"
     30 #include "lldb/Target/ThreadPlanRunToAddress.h"
     31 
     32 using namespace lldb;
     33 using namespace lldb_private;
     34 
     35 //----------------------------------------------------------------------
     36 // ThreadPlanCallUserExpression: Plan to call a single function
     37 //----------------------------------------------------------------------
     38 
     39 ThreadPlanCallUserExpression::ThreadPlanCallUserExpression (Thread &thread,
     40                                                 Address &function,
     41                                                 lldb::addr_t arg,
     42                                                 bool stop_other_threads,
     43                                                 bool unwind_on_error,
     44                                                 bool ignore_breakpoints,
     45                                                 lldb::addr_t *this_arg,
     46                                                 lldb::addr_t *cmd_arg,
     47                                                 ClangUserExpression::ClangUserExpressionSP &user_expression_sp) :
     48     ThreadPlanCallFunction (thread, function, ClangASTType(), arg, stop_other_threads, unwind_on_error, ignore_breakpoints, this_arg, cmd_arg),
     49     m_user_expression_sp (user_expression_sp)
     50 {
     51     // User expressions are generally "User generated" so we should set them up to stop when done.
     52     SetIsMasterPlan (true);
     53     SetOkayToDiscard(false);
     54 }
     55 
     56 ThreadPlanCallUserExpression::~ThreadPlanCallUserExpression ()
     57 {
     58 }
     59 
     60 void
     61 ThreadPlanCallUserExpression::GetDescription (Stream *s, lldb::DescriptionLevel level)
     62 {
     63     ThreadPlanCallFunction::GetDescription (s, level);
     64 }
     65 
     66 StopInfoSP
     67 ThreadPlanCallUserExpression::GetRealStopInfo()
     68 {
     69     StopInfoSP stop_info_sp = ThreadPlanCallFunction::GetRealStopInfo();
     70 
     71     if (stop_info_sp)
     72     {
     73         lldb::addr_t addr = GetStopAddress();
     74         DynamicCheckerFunctions *checkers = m_thread.GetProcess()->GetDynamicCheckers();
     75         StreamString s;
     76 
     77         if (checkers && checkers->DoCheckersExplainStop(addr, s))
     78             stop_info_sp->SetDescription(s.GetData());
     79     }
     80 
     81     return stop_info_sp;
     82 }
     83