Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1 | //===-- ThreadPlan.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 | |
Daniel Malea | d891f9b | 2012-12-05 00:20:57 +0000 | [diff] [blame] | 10 | #include "lldb/lldb-python.h" |
| 11 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 12 | #include "lldb/Target/ThreadPlan.h" |
| 13 | |
| 14 | // C Includes |
| 15 | // C++ Includes |
| 16 | // Other libraries and framework includes |
| 17 | // Project includes |
Jim Ingham | 745ac7a | 2010-11-11 19:26:09 +0000 | [diff] [blame] | 18 | #include "lldb/Core/Debugger.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 19 | #include "lldb/Core/Log.h" |
| 20 | #include "lldb/Core/State.h" |
Greg Clayton | 5205f0b | 2010-09-03 17:10:42 +0000 | [diff] [blame] | 21 | #include "lldb/Target/RegisterContext.h" |
| 22 | #include "lldb/Target/Thread.h" |
Jim Ingham | 745ac7a | 2010-11-11 19:26:09 +0000 | [diff] [blame] | 23 | #include "lldb/Target/Process.h" |
| 24 | #include "lldb/Target/Target.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 25 | |
| 26 | using namespace lldb; |
| 27 | using namespace lldb_private; |
| 28 | |
| 29 | //---------------------------------------------------------------------- |
| 30 | // ThreadPlan constructor |
| 31 | //---------------------------------------------------------------------- |
Jim Ingham | 5a47e8b | 2010-06-19 04:45:32 +0000 | [diff] [blame] | 32 | ThreadPlan::ThreadPlan(ThreadPlanKind kind, const char *name, Thread &thread, Vote stop_vote, Vote run_vote) : |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 33 | m_thread (thread), |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 34 | m_stop_vote (stop_vote), |
| 35 | m_run_vote (run_vote), |
Benjamin Kramer | 36a0810 | 2010-07-16 12:32:33 +0000 | [diff] [blame] | 36 | m_kind (kind), |
| 37 | m_name (name), |
| 38 | m_plan_complete_mutex (Mutex::eMutexTypeRecursive), |
| 39 | m_plan_complete (false), |
| 40 | m_plan_private (false), |
Jim Ingham | 88e3de2 | 2012-05-03 21:19:36 +0000 | [diff] [blame] | 41 | m_okay_to_discard (true), |
Jim Ingham | 707b7a8 | 2012-05-01 18:38:37 +0000 | [diff] [blame] | 42 | m_is_master_plan (false), |
| 43 | m_plan_succeeded(true) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 44 | { |
| 45 | SetID (GetNextID()); |
| 46 | } |
| 47 | |
| 48 | //---------------------------------------------------------------------- |
| 49 | // Destructor |
| 50 | //---------------------------------------------------------------------- |
| 51 | ThreadPlan::~ThreadPlan() |
| 52 | { |
| 53 | } |
| 54 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 55 | bool |
| 56 | ThreadPlan::IsPlanComplete () |
| 57 | { |
Greg Clayton | bef1583 | 2010-07-14 00:18:15 +0000 | [diff] [blame] | 58 | Mutex::Locker locker(m_plan_complete_mutex); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 59 | return m_plan_complete; |
| 60 | } |
| 61 | |
| 62 | void |
Jim Ingham | 707b7a8 | 2012-05-01 18:38:37 +0000 | [diff] [blame] | 63 | ThreadPlan::SetPlanComplete (bool success) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 64 | { |
Greg Clayton | bef1583 | 2010-07-14 00:18:15 +0000 | [diff] [blame] | 65 | Mutex::Locker locker(m_plan_complete_mutex); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 66 | m_plan_complete = true; |
Jim Ingham | 707b7a8 | 2012-05-01 18:38:37 +0000 | [diff] [blame] | 67 | m_plan_succeeded = success; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | bool |
| 71 | ThreadPlan::MischiefManaged () |
| 72 | { |
Greg Clayton | bef1583 | 2010-07-14 00:18:15 +0000 | [diff] [blame] | 73 | Mutex::Locker locker(m_plan_complete_mutex); |
Jim Ingham | 038fa8e | 2012-05-10 01:35:39 +0000 | [diff] [blame] | 74 | // Mark the plan is complete, but don't override the success flag. |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 75 | m_plan_complete = true; |
| 76 | return true; |
| 77 | } |
| 78 | |
| 79 | Vote |
| 80 | ThreadPlan::ShouldReportStop (Event *event_ptr) |
| 81 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 82 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
Greg Clayton | 5205f0b | 2010-09-03 17:10:42 +0000 | [diff] [blame] | 83 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 84 | if (m_stop_vote == eVoteNoOpinion) |
| 85 | { |
| 86 | ThreadPlan *prev_plan = GetPreviousPlan (); |
| 87 | if (prev_plan) |
Greg Clayton | 5205f0b | 2010-09-03 17:10:42 +0000 | [diff] [blame] | 88 | { |
| 89 | Vote prev_vote = prev_plan->ShouldReportStop (event_ptr); |
| 90 | if (log) |
Jim Ingham | 441e3b9 | 2012-03-01 00:50:50 +0000 | [diff] [blame] | 91 | log->Printf ("ThreadPlan::ShouldReportStop() returning previous thread plan vote: %s", |
| 92 | GetVoteAsCString (prev_vote)); |
Greg Clayton | 5205f0b | 2010-09-03 17:10:42 +0000 | [diff] [blame] | 93 | return prev_vote; |
| 94 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 95 | } |
Greg Clayton | 5205f0b | 2010-09-03 17:10:42 +0000 | [diff] [blame] | 96 | if (log) |
Greg Clayton | f04d661 | 2010-09-03 22:45:01 +0000 | [diff] [blame] | 97 | log->Printf ("ThreadPlan::ShouldReportStop() returning vote: %s", GetVoteAsCString (m_stop_vote)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 98 | return m_stop_vote; |
| 99 | } |
| 100 | |
| 101 | Vote |
| 102 | ThreadPlan::ShouldReportRun (Event *event_ptr) |
| 103 | { |
| 104 | if (m_run_vote == eVoteNoOpinion) |
| 105 | { |
| 106 | ThreadPlan *prev_plan = GetPreviousPlan (); |
| 107 | if (prev_plan) |
| 108 | return prev_plan->ShouldReportRun (event_ptr); |
| 109 | } |
| 110 | return m_run_vote; |
| 111 | } |
| 112 | |
| 113 | bool |
| 114 | ThreadPlan::StopOthers () |
| 115 | { |
| 116 | ThreadPlan *prev_plan; |
| 117 | prev_plan = GetPreviousPlan (); |
| 118 | if (prev_plan == NULL) |
| 119 | return false; |
| 120 | else |
| 121 | return prev_plan->StopOthers(); |
| 122 | } |
| 123 | |
Jim Ingham | 360f53f | 2010-11-30 02:22:11 +0000 | [diff] [blame] | 124 | void |
| 125 | ThreadPlan::SetStopOthers (bool new_value) |
| 126 | { |
| 127 | // SetStopOthers doesn't work up the hierarchy. You have to set the |
| 128 | // explicit ThreadPlan you want to affect. |
| 129 | } |
| 130 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 131 | bool |
| 132 | ThreadPlan::WillResume (StateType resume_state, bool current_plan) |
| 133 | { |
| 134 | if (current_plan) |
| 135 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 136 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 137 | |
| 138 | if (log) |
Greg Clayton | 5205f0b | 2010-09-03 17:10:42 +0000 | [diff] [blame] | 139 | { |
Greg Clayton | 08d7d3a | 2011-01-06 22:15:06 +0000 | [diff] [blame] | 140 | RegisterContext *reg_ctx = m_thread.GetRegisterContext().get(); |
Greg Clayton | 5205f0b | 2010-09-03 17:10:42 +0000 | [diff] [blame] | 141 | addr_t pc = reg_ctx->GetPC(); |
| 142 | addr_t sp = reg_ctx->GetSP(); |
| 143 | addr_t fp = reg_ctx->GetFP(); |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 144 | log->Printf("%s Thread #%u: tid = 0x%4.4" PRIx64 ", pc = 0x%8.8" PRIx64 ", sp = 0x%8.8" PRIx64 ", fp = 0x%8.8" PRIx64 ", " |
Jim Ingham | 441e3b9 | 2012-03-01 00:50:50 +0000 | [diff] [blame] | 145 | "plan = '%s', state = %s, stop others = %d", |
Greg Clayton | f04d661 | 2010-09-03 22:45:01 +0000 | [diff] [blame] | 146 | __FUNCTION__, |
Greg Clayton | 5205f0b | 2010-09-03 17:10:42 +0000 | [diff] [blame] | 147 | m_thread.GetIndexID(), |
| 148 | m_thread.GetID(), |
| 149 | (uint64_t)pc, |
| 150 | (uint64_t)sp, |
| 151 | (uint64_t)fp, |
| 152 | m_name.c_str(), |
| 153 | StateAsCString(resume_state), |
| 154 | StopOthers()); |
| 155 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 156 | } |
| 157 | return true; |
| 158 | } |
| 159 | |
| 160 | lldb::user_id_t |
| 161 | ThreadPlan::GetNextID() |
| 162 | { |
| 163 | static uint32_t g_nextPlanID = 0; |
| 164 | return ++g_nextPlanID; |
| 165 | } |
| 166 | |
| 167 | void |
| 168 | ThreadPlan::DidPush() |
| 169 | { |
| 170 | } |
| 171 | |
| 172 | void |
| 173 | ThreadPlan::WillPop() |
| 174 | { |
| 175 | } |
| 176 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 177 | bool |
| 178 | ThreadPlan::OkayToDiscard() |
| 179 | { |
| 180 | if (!IsMasterPlan()) |
| 181 | return true; |
| 182 | else |
| 183 | return m_okay_to_discard; |
| 184 | } |
| 185 | |
Jim Ingham | 745ac7a | 2010-11-11 19:26:09 +0000 | [diff] [blame] | 186 | lldb::StateType |
| 187 | ThreadPlan::RunState () |
| 188 | { |
| 189 | if (m_tracer_sp && m_tracer_sp->TracingEnabled() && m_tracer_sp->SingleStepEnabled()) |
| 190 | return eStateStepping; |
| 191 | else |
| 192 | return GetPlanRunState(); |
| 193 | } |