ThreadPlanStepOut.cpp revision 04cc48eb5cff32268a822b57f87590c9dc2643f8
1f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson//===-- ThreadPlanStepOut.cpp -----------------------------------*- C++ -*-===// 2adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// 3adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// The LLVM Compiler Infrastructure 4adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// 5adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// This file is distributed under the University of Illinois Open Source 6adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// License. See LICENSE.TXT for details. 7adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// 8f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson//===----------------------------------------------------------------------===// 9adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 10f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson#include "lldb/Target/ThreadPlanStepOut.h" 11adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 12adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// C Includes 13adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// C++ Includes 14adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// Other libraries and framework includes 15adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project// Project includes 16adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include "lldb/Breakpoint/Breakpoint.h" 17adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include "lldb/lldb-private-log.h" 18adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include "lldb/Core/Log.h" 19adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include "lldb/Core/Value.h" 2057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson#include "lldb/Core/ValueObjectConstResult.h" 21adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include "lldb/Symbol/Block.h" 22adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include "lldb/Symbol/Function.h" 23adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include "lldb/Symbol/Type.h" 2457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson#include "lldb/Target/Process.h" 25adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include "lldb/Target/RegisterContext.h" 2657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson#include "lldb/Target/StopInfo.h" 2757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson#include "lldb/Target/Target.h" 28adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project#include "lldb/Target/ThreadPlanStepOverRange.h" 29adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 30adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectusing namespace lldb; 31adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectusing namespace lldb_private; 3257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 33f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson//---------------------------------------------------------------------- 3457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson// ThreadPlanStepOut: Step out of the current frame 35adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project//---------------------------------------------------------------------- 36adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::ThreadPlanStepOut 37adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project( 38adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Thread &thread, 39adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project SymbolContext *context, 40adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project bool first_insn, 4157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson bool stop_others, 42adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Vote stop_vote, 43adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Vote run_vote, 44adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project uint32_t frame_idx 4557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson) : 4657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson ThreadPlan (ThreadPlan::eKindStepOut, "Step out", thread, stop_vote, run_vote), 4757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_step_from_context (context), 4857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_step_from_insn (LLDB_INVALID_ADDRESS), 49adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_return_bp_id (LLDB_INVALID_BREAK_ID), 50adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_return_addr (LLDB_INVALID_ADDRESS), 51adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_first_insn (first_insn), 5257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_stop_others (stop_others), 5357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_step_through_inline_plan_sp(), 5457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_step_out_plan_sp (), 5557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_immediate_step_from_function(NULL) 5657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 5757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson{ 5857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_step_from_insn = m_thread.GetRegisterContext()->GetPC(0); 5957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 6057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson StackFrameSP return_frame_sp (m_thread.GetStackFrameAtIndex(frame_idx + 1)); 6157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson StackFrameSP immediate_return_from_sp (m_thread.GetStackFrameAtIndex (frame_idx)); 6257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 6357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (!return_frame_sp || !immediate_return_from_sp) 6457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson return; // we can't do anything here. ValidatePlan() will return false. 65adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 6657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_step_out_to_id = return_frame_sp->GetStackID(); 6757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_immediate_step_from_id = immediate_return_from_sp->GetStackID(); 6857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 6957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson StackID frame_zero_id = m_thread.GetStackFrameAtIndex(0)->GetStackID(); 70adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 71adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If the frame directly below the one we are returning to is inlined, we have to be 7257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // a little more careful. It is non-trivial to determine the real "return code address" for 73adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // an inlined frame, so we have to work our way to that frame and then step out. 74adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (immediate_return_from_sp && immediate_return_from_sp->IsInlined()) 7557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 76adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (frame_idx > 0) 77adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 78adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // First queue a plan that gets us to this inlined frame, and when we get there we'll queue a second 79adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // plan that walks us out of this frame. 80adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_step_out_plan_sp.reset (new ThreadPlanStepOut(m_thread, 81adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project NULL, 82adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project false, 83adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project stop_others, 84adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project eVoteNoOpinion, 85adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project eVoteNoOpinion, 86adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project frame_idx - 1)); 8757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 88adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else 89adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 90adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If we're already at the inlined frame we're stepping through, then just do that now. 91adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project QueueInlinedStepPlan(false); 92adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 93adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 94adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 95adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else if (return_frame_sp) 96adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 97adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Find the return address and set a breakpoint there: 98adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // FIXME - can we do this more securely if we know first_insn? 99adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 100adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_return_addr = return_frame_sp->GetFrameCodeAddress().GetLoadAddress(&m_thread.GetProcess()->GetTarget()); 10157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 102adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_return_addr == LLDB_INVALID_ADDRESS) 103adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 104adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 105adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Breakpoint *return_bp = m_thread.CalculateTarget()->CreateBreakpoint (m_return_addr, true).get(); 106adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (return_bp != NULL) 107adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 10857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson return_bp->SetThreadID(m_thread.GetID()); 10957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_return_bp_id = return_bp->GetID(); 110adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return_bp->SetBreakpointKind ("step-out"); 111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 112adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 113adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (immediate_return_from_sp) 11457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 115adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project const SymbolContext &sc = immediate_return_from_sp->GetSymbolContext(eSymbolContextFunction); 116adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (sc.function) 117adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 118adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_immediate_step_from_function = sc.function; 119adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 120adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 121adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 122adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 123adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 12457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 12557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilsonvoid 126adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::DidPush() 127adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project{ 128adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_step_out_plan_sp) 129adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_thread.QueueThreadPlan(m_step_out_plan_sp, false); 130adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else if (m_step_through_inline_plan_sp) 131adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_thread.QueueThreadPlan(m_step_through_inline_plan_sp, false); 13257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson} 133adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 134adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::~ThreadPlanStepOut () 135adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project{ 136adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_return_bp_id != LLDB_INVALID_BREAK_ID) 137adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_thread.CalculateTarget()->RemoveBreakpointByID(m_return_bp_id); 138adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 139adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 140adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectvoid 141adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::GetDescription (Stream *s, lldb::DescriptionLevel level) 142adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project{ 143adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (level == lldb::eDescriptionLevelBrief) 144adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project s->Printf ("step out"); 14557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 146adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 147adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_step_out_plan_sp) 148adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project s->Printf ("Stepping out to inlined frame so we can walk through it."); 14957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else if (m_step_through_inline_plan_sp) 15057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson s->Printf ("Stepping out by stepping through inlined function."); 15157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 15257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson s->Printf ("Stepping out from address 0x%" PRIx64 " to return address 0x%" PRIx64 " using breakpoint site %d", 15357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson (uint64_t)m_step_from_insn, 15457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson (uint64_t)m_return_addr, 15557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_return_bp_id); 15657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 15757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson} 15857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 15957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilsonbool 16057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse WilsonThreadPlanStepOut::ValidatePlan (Stream *error) 16157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson{ 16257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (m_step_out_plan_sp) 163adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return m_step_out_plan_sp->ValidatePlan (error); 164adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else if (m_step_through_inline_plan_sp) 165adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return m_step_through_inline_plan_sp->ValidatePlan (error); 166adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else if (m_return_bp_id == LLDB_INVALID_BREAK_ID) 16757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 168adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (error) 169adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project error->PutCString("Could not create return address breakpoint."); 170adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return false; 171adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 172adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else 173adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; 174adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 175adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 176adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectbool 177adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::DoPlanExplainsStop (Event *event_ptr) 17857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson{ 179adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If one of our child plans just finished, then we do explain the stop. 180adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_step_out_plan_sp) 181adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 182adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_step_out_plan_sp->MischiefManaged()) 183adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 184adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If this one is done, then we are all done. 185adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project CalculateReturnValue(); 186adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project SetPlanComplete(); 187adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; 188adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 18957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 190adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return false; 191adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 192adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else if (m_step_through_inline_plan_sp) 193adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 194adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_step_through_inline_plan_sp->MischiefManaged()) 195adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; 196adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else 197adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return false; 198adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 199adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 200adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We don't explain signals or breakpoints (breakpoints that handle stepping in or 201adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // out will be handled by a child plan. 20257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 203adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project StopInfoSP stop_info_sp = GetPrivateStopInfo (); 204adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (stop_info_sp) 205adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 206adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project StopReason reason = stop_info_sp->GetStopReason(); 207adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (reason) 208adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 20957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson case eStopReasonBreakpoint: 21057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 21157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // If this is OUR breakpoint, we're fine, otherwise we don't know why this happened... 212f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson BreakpointSiteSP site_sp (m_thread.GetProcess()->GetBreakpointSiteList().FindByID (stop_info_sp->GetValue())); 21357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (site_sp && site_sp->IsBreakpointAtThisSite (m_return_bp_id)) 21457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 21557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson bool done; 21657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 21757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson StackID frame_zero_id = m_thread.GetStackFrameAtIndex(0)->GetStackID(); 21857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 21957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (m_step_out_to_id == frame_zero_id) 22057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson done = true; 22157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else if (m_step_out_to_id < frame_zero_id) 22257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 22357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // Either we stepped past the breakpoint, or the stack ID calculation 22457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // was incorrect and we should probably stop. 22557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson done = true; 22657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 22757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 22857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 22957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (m_immediate_step_from_id < frame_zero_id) 23057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson done = true; 23157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 23257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson done = false; 23357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 23457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 23557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (done) 23657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 23757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson CalculateReturnValue(); 23857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson SetPlanComplete(); 23957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 24057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 24157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // If there was only one owner, then we're done. But if we also hit some 24257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // user breakpoint on our way out, we should mark ourselves as done, but 24357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // also not claim to explain the stop, since it is more important to report 24457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // the user breakpoint than the step out completion. 245f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson 246f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson if (site_sp->GetNumberOfOwners() == 1) 247f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson return true; 248f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson 249f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson } 250f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson return false; 251f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson } 252f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson case eStopReasonWatchpoint: 253f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson case eStopReasonSignal: 254f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson case eStopReasonException: 255f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson case eStopReasonExec: 256f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson case eStopReasonThreadExiting: 257f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson return false; 258f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson 259f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson default: 260f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson return true; 261f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson } 26257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 263f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson return true; 264f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson} 265f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson 266f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilsonbool 26757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse WilsonThreadPlanStepOut::ShouldStop (Event *event_ptr) 268f7c6911047d63bc76292f55ce538da32818dd931Jesse Wilson{ 26957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (IsPlanComplete()) 27057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson return true; 27157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 27257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson bool done; 27357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 27457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson StackID frame_zero_id = m_thread.GetStackFrameAtIndex(0)->GetStackID(); 27557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (frame_zero_id < m_step_out_to_id) 27657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson done = false; 27757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 27857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson done = true; 27957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 28057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (done) 28157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 28257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson CalculateReturnValue(); 28357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson SetPlanComplete(); 28457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson return true; 28557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 28657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 28757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 288adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_step_out_plan_sp) 289adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 290adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_step_out_plan_sp->MischiefManaged()) 291adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 29257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // Now step through the inlined stack we are in: 293adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (QueueInlinedStepPlan(true)) 294adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 295adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return false; 296adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 29757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 298adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 299adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project CalculateReturnValue(); 300adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project SetPlanComplete (); 301adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; 302adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 303adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 30457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 305adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return m_step_out_plan_sp->ShouldStop(event_ptr); 306adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 307adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else if (m_step_through_inline_plan_sp) 308adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 309adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_step_through_inline_plan_sp->MischiefManaged()) 310adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 311adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We don't calculate the return value here because we don't know how to. 312adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // But in case we had a return value sitting around from our process in 313adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // getting here, let's clear it out. 314adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_return_valobj_sp.reset(); 315adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project SetPlanComplete(); 316adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; 317adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 318adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else 319adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return m_step_through_inline_plan_sp->ShouldStop(event_ptr); 32057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 321adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project else 322adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return false; 32357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 324adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 325adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 326adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectbool 327adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::StopOthers () 328adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project{ 329adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return m_stop_others; 330adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 33157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 33257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse WilsonStateType 333adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::GetPlanRunState () 334adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project{ 335adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return eStateRunning; 336adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 337adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 33857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilsonbool 339adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::DoWillResume (StateType resume_state, bool current_plan) 340adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project{ 341adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_step_out_plan_sp || m_step_through_inline_plan_sp) 342adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; 343adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 344adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (m_return_bp_id == LLDB_INVALID_BREAK_ID) 345adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return false; 346adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 34757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (current_plan) 34857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 34957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson Breakpoint *return_bp = m_thread.CalculateTarget()->GetBreakpointByID(m_return_bp_id).get(); 35057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (return_bp != NULL) 35157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson return_bp->SetEnabled (true); 352adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 35357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson return true; 35457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson} 355adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 356adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectbool 357adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::WillStop () 358adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project{ 35957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (m_return_bp_id != LLDB_INVALID_BREAK_ID) 36057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 361adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Breakpoint *return_bp = m_thread.CalculateTarget()->GetBreakpointByID(m_return_bp_id).get(); 362adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (return_bp != NULL) 363adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return_bp->SetEnabled (false); 364adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 36557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 366adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; 367adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 36857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 36957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilsonbool 370adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source ProjectThreadPlanStepOut::MischiefManaged () 371adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project{ 372adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (IsPlanComplete()) 37357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 374adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Did I reach my breakpoint? If so I'm done. 375adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // 376adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // I also check the stack depth, since if we've blown past the breakpoint for some 377adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // reason and we're now stopping for some other reason altogether, then we're done 378adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // with this step out operation. 37957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 38057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); 38157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (log) 38257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson log->Printf("Completed step out plan."); 38357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (m_return_bp_id != LLDB_INVALID_BREAK_ID) 38457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 38557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson m_thread.CalculateTarget()->RemoveBreakpointByID (m_return_bp_id); 386adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project m_return_bp_id = LLDB_INVALID_BREAK_ID; 38757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 38857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 38957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson ThreadPlan::MischiefManaged (); 39057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson return true; 39157995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 39257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson else 39357995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson { 39457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson return false; 39557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson } 39657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson} 39757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 39857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilsonbool 39957995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse WilsonThreadPlanStepOut::QueueInlinedStepPlan (bool queue_now) 40057995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson{ 401adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now figure out the range of this inlined block, and set up a "step through range" 40257995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson // plan for that. If we've been provided with a context, then use the block in that 403adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // context. 40457995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson StackFrameSP immediate_return_from_sp (m_thread.GetStackFrameAtIndex (0)); 40557995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson if (!immediate_return_from_sp) 40657995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson return false; 40757995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson 40857995e8186b54515d5a03bf2ab104c3dc247f1b6Jesse Wilson Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); 409adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (log) 410adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project { 411adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project StreamString s; 412 immediate_return_from_sp->Dump(&s, true, false); 413 log->Printf("Queuing inlined frame to step past: %s.", s.GetData()); 414 } 415 416 Block *from_block = immediate_return_from_sp->GetFrameBlock(); 417 if (from_block) 418 { 419 Block *inlined_block = from_block->GetContainingInlinedBlock(); 420 if (inlined_block) 421 { 422 size_t num_ranges = inlined_block->GetNumRanges(); 423 AddressRange inline_range; 424 if (inlined_block->GetRangeAtIndex(0, inline_range)) 425 { 426 SymbolContext inlined_sc; 427 inlined_block->CalculateSymbolContext(&inlined_sc); 428 inlined_sc.target_sp = GetTarget().shared_from_this(); 429 RunMode run_mode = m_stop_others ? lldb::eOnlyThisThread : lldb::eAllThreads; 430 ThreadPlanStepOverRange *step_through_inline_plan_ptr = new ThreadPlanStepOverRange(m_thread, 431 inline_range, 432 inlined_sc, 433 run_mode); 434 step_through_inline_plan_ptr->SetOkayToDiscard(true); 435 StreamString errors; 436 if (!step_through_inline_plan_ptr->ValidatePlan(&errors)) 437 { 438 //FIXME: Log this failure. 439 delete step_through_inline_plan_ptr; 440 return false; 441 } 442 443 for (size_t i = 1; i < num_ranges; i++) 444 { 445 if (inlined_block->GetRangeAtIndex (i, inline_range)) 446 step_through_inline_plan_ptr->AddRange (inline_range); 447 } 448 m_step_through_inline_plan_sp.reset (step_through_inline_plan_ptr); 449 if (queue_now) 450 m_thread.QueueThreadPlan (m_step_through_inline_plan_sp, false); 451 return true; 452 } 453 } 454 } 455 456 return false; 457} 458 459void 460ThreadPlanStepOut::CalculateReturnValue () 461{ 462 if (m_return_valobj_sp) 463 return; 464 465 if (m_immediate_step_from_function != NULL) 466 { 467 Type *return_type = m_immediate_step_from_function->GetType(); 468 lldb::clang_type_t return_clang_type = m_immediate_step_from_function->GetReturnClangType(); 469 if (return_type && return_clang_type) 470 { 471 ClangASTType ast_type (return_type->GetClangAST(), return_clang_type); 472 473 lldb::ABISP abi_sp = m_thread.GetProcess()->GetABI(); 474 if (abi_sp) 475 { 476 m_return_valobj_sp = abi_sp->GetReturnValueObject(m_thread, ast_type); 477 } 478 } 479 } 480} 481 482bool 483ThreadPlanStepOut::IsPlanStale() 484{ 485 // If we are still lower on the stack than the frame we are returning to, then 486 // there's something for us to do. Otherwise, we're stale. 487 488 StackID frame_zero_id = m_thread.GetStackFrameAtIndex(0)->GetStackID(); 489 if (frame_zero_id < m_step_out_to_id) 490 return false; 491 else 492 return true; 493} 494 495