Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1 | //===-- ThreadPlanRunToAddress.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/ThreadPlanRunToAddress.h" |
| 11 | |
| 12 | // C Includes |
| 13 | // C++ Includes |
| 14 | // Other libraries and framework includes |
| 15 | // Project includes |
| 16 | #include "lldb/lldb-private-log.h" |
| 17 | #include "lldb/Core/Log.h" |
| 18 | #include "lldb/Core/Stream.h" |
| 19 | #include "lldb/Target/Target.h" |
| 20 | #include "lldb/Target/Process.h" |
| 21 | #include "lldb/Target/Thread.h" |
| 22 | #include "lldb/Target/RegisterContext.h" |
| 23 | |
| 24 | using namespace lldb; |
| 25 | using namespace lldb_private; |
| 26 | |
| 27 | //---------------------------------------------------------------------- |
| 28 | // ThreadPlanRunToAddress: Continue plan |
| 29 | //---------------------------------------------------------------------- |
| 30 | |
| 31 | ThreadPlanRunToAddress::ThreadPlanRunToAddress |
| 32 | ( |
| 33 | Thread &thread, |
| 34 | Address &address, |
| 35 | bool stop_others |
| 36 | ) : |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 37 | ThreadPlan (ThreadPlan::eKindRunToAddress, "Run to address plan", thread, eVoteNoOpinion, eVoteNoOpinion), |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 38 | m_stop_others (stop_others), |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 39 | m_addresses (), |
| 40 | m_break_ids () |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 41 | { |
Greg Clayton | f4124de | 2012-02-21 00:09:25 +0000 | [diff] [blame] | 42 | m_addresses.push_back (address.GetOpcodeLoadAddress (m_thread.CalculateTarget().get())); |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 43 | SetInitialBreakpoints(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | ThreadPlanRunToAddress::ThreadPlanRunToAddress |
| 47 | ( |
| 48 | Thread &thread, |
| 49 | lldb::addr_t address, |
| 50 | bool stop_others |
| 51 | ) : |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 52 | ThreadPlan (ThreadPlan::eKindRunToAddress, "Run to address plan", thread, eVoteNoOpinion, eVoteNoOpinion), |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 53 | m_stop_others (stop_others), |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 54 | m_addresses (), |
| 55 | m_break_ids () |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 56 | { |
Greg Clayton | f4124de | 2012-02-21 00:09:25 +0000 | [diff] [blame] | 57 | m_addresses.push_back(m_thread.CalculateTarget()->GetOpcodeLoadAddress(address)); |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 58 | SetInitialBreakpoints(); |
| 59 | } |
| 60 | |
| 61 | ThreadPlanRunToAddress::ThreadPlanRunToAddress |
| 62 | ( |
| 63 | Thread &thread, |
Greg Clayton | c0fa533 | 2011-05-22 22:46:53 +0000 | [diff] [blame] | 64 | const std::vector<lldb::addr_t> &addresses, |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 65 | bool stop_others |
| 66 | ) : |
| 67 | ThreadPlan (ThreadPlan::eKindRunToAddress, "Run to address plan", thread, eVoteNoOpinion, eVoteNoOpinion), |
| 68 | m_stop_others (stop_others), |
| 69 | m_addresses (addresses), |
| 70 | m_break_ids () |
| 71 | { |
Greg Clayton | c0fa533 | 2011-05-22 22:46:53 +0000 | [diff] [blame] | 72 | // Convert all addressses into opcode addresses to make sure we set |
| 73 | // breakpoints at the correct address. |
Greg Clayton | f4124de | 2012-02-21 00:09:25 +0000 | [diff] [blame] | 74 | Target &target = thread.GetProcess()->GetTarget(); |
Greg Clayton | c0fa533 | 2011-05-22 22:46:53 +0000 | [diff] [blame] | 75 | std::vector<lldb::addr_t>::iterator pos, end = m_addresses.end(); |
| 76 | for (pos = m_addresses.begin(); pos != end; ++pos) |
| 77 | *pos = target.GetOpcodeLoadAddress (*pos); |
| 78 | |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 79 | SetInitialBreakpoints(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | void |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 83 | ThreadPlanRunToAddress::SetInitialBreakpoints () |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 84 | { |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 85 | size_t num_addresses = m_addresses.size(); |
| 86 | m_break_ids.resize(num_addresses); |
| 87 | |
| 88 | for (size_t i = 0; i < num_addresses; i++) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 89 | { |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 90 | Breakpoint *breakpoint; |
Greg Clayton | f4124de | 2012-02-21 00:09:25 +0000 | [diff] [blame] | 91 | breakpoint = m_thread.CalculateTarget()->CreateBreakpoint (m_addresses[i], true).get(); |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 92 | if (breakpoint != NULL) |
| 93 | { |
| 94 | m_break_ids[i] = breakpoint->GetID(); |
| 95 | breakpoint->SetThreadID(m_thread.GetID()); |
| 96 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 97 | } |
| 98 | } |
| 99 | |
| 100 | ThreadPlanRunToAddress::~ThreadPlanRunToAddress () |
| 101 | { |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 102 | size_t num_break_ids = m_break_ids.size(); |
| 103 | for (size_t i = 0; i < num_break_ids; i++) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 104 | { |
Greg Clayton | f4124de | 2012-02-21 00:09:25 +0000 | [diff] [blame] | 105 | m_thread.CalculateTarget()->RemoveBreakpointByID (m_break_ids[i]); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 106 | } |
| 107 | } |
| 108 | |
| 109 | void |
| 110 | ThreadPlanRunToAddress::GetDescription (Stream *s, lldb::DescriptionLevel level) |
| 111 | { |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 112 | size_t num_addresses = m_addresses.size(); |
| 113 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 114 | if (level == lldb::eDescriptionLevelBrief) |
| 115 | { |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 116 | if (num_addresses == 0) |
| 117 | { |
| 118 | s->Printf ("run to address with no addresses given."); |
| 119 | return; |
| 120 | } |
| 121 | else if (num_addresses == 1) |
| 122 | s->Printf ("run to address: "); |
| 123 | else |
| 124 | s->Printf ("run to addresses: "); |
| 125 | |
| 126 | for (size_t i = 0; i < num_addresses; i++) |
| 127 | { |
| 128 | s->Address (m_addresses[i], sizeof (addr_t)); |
| 129 | s->Printf(" "); |
| 130 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 131 | } |
| 132 | else |
| 133 | { |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 134 | if (num_addresses == 0) |
| 135 | { |
| 136 | s->Printf ("run to address with no addresses given."); |
| 137 | return; |
| 138 | } |
| 139 | else if (num_addresses == 1) |
| 140 | s->Printf ("Run to address: "); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 141 | else |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 142 | { |
| 143 | s->Printf ("Run to addresses: "); |
| 144 | } |
| 145 | |
| 146 | for (size_t i = 0; i < num_addresses; i++) |
| 147 | { |
| 148 | if (num_addresses > 1) |
| 149 | { |
| 150 | s->Printf("\n"); |
| 151 | s->Indent(); |
| 152 | } |
| 153 | |
| 154 | s->Address(m_addresses[i], sizeof (addr_t)); |
Jim Ingham | 6db3594 | 2011-11-10 01:12:26 +0000 | [diff] [blame] | 155 | s->Printf (" using breakpoint: %d - ", m_break_ids[i]); |
Greg Clayton | f4124de | 2012-02-21 00:09:25 +0000 | [diff] [blame] | 156 | Breakpoint *breakpoint = m_thread.CalculateTarget()->GetBreakpointByID (m_break_ids[i]).get(); |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 157 | if (breakpoint) |
| 158 | breakpoint->Dump (s); |
| 159 | else |
| 160 | s->Printf ("but the breakpoint has been deleted."); |
| 161 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 162 | } |
| 163 | } |
| 164 | |
| 165 | bool |
| 166 | ThreadPlanRunToAddress::ValidatePlan (Stream *error) |
| 167 | { |
| 168 | // If we couldn't set the breakpoint for some reason, then this won't |
| 169 | // work. |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 170 | bool all_bps_good = true; |
| 171 | size_t num_break_ids = m_break_ids.size(); |
| 172 | |
| 173 | for (size_t i = 0; i < num_break_ids; i++) |
| 174 | { |
| 175 | if (m_break_ids[i] == LLDB_INVALID_BREAK_ID) |
| 176 | { |
| 177 | all_bps_good = false; |
Jim Ingham | 360f53f | 2010-11-30 02:22:11 +0000 | [diff] [blame] | 178 | if (error) |
| 179 | { |
| 180 | error->Printf ("Could not set breakpoint for address: "); |
| 181 | error->Address (m_addresses[i], sizeof (addr_t)); |
| 182 | error->Printf ("\n"); |
| 183 | } |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 184 | } |
| 185 | } |
| 186 | return all_bps_good; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | bool |
| 190 | ThreadPlanRunToAddress::PlanExplainsStop () |
| 191 | { |
| 192 | return AtOurAddress(); |
| 193 | } |
| 194 | |
| 195 | bool |
| 196 | ThreadPlanRunToAddress::ShouldStop (Event *event_ptr) |
| 197 | { |
| 198 | return false; |
| 199 | } |
| 200 | |
| 201 | bool |
| 202 | ThreadPlanRunToAddress::StopOthers () |
| 203 | { |
| 204 | return m_stop_others; |
| 205 | } |
| 206 | |
| 207 | void |
| 208 | ThreadPlanRunToAddress::SetStopOthers (bool new_value) |
| 209 | { |
| 210 | m_stop_others = new_value; |
| 211 | } |
| 212 | |
| 213 | StateType |
Jim Ingham | 745ac7a | 2010-11-11 19:26:09 +0000 | [diff] [blame] | 214 | ThreadPlanRunToAddress::GetPlanRunState () |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 215 | { |
| 216 | return eStateRunning; |
| 217 | } |
| 218 | |
| 219 | bool |
| 220 | ThreadPlanRunToAddress::WillStop () |
| 221 | { |
| 222 | return true; |
| 223 | } |
| 224 | |
| 225 | bool |
| 226 | ThreadPlanRunToAddress::MischiefManaged () |
| 227 | { |
Greg Clayton | e005f2c | 2010-11-06 01:53:30 +0000 | [diff] [blame] | 228 | LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 229 | |
| 230 | if (AtOurAddress()) |
| 231 | { |
| 232 | // Remove the breakpoint |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 233 | size_t num_break_ids = m_break_ids.size(); |
| 234 | |
| 235 | for (size_t i = 0; i < num_break_ids; i++) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 236 | { |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 237 | if (m_break_ids[i] != LLDB_INVALID_BREAK_ID) |
| 238 | { |
Greg Clayton | f4124de | 2012-02-21 00:09:25 +0000 | [diff] [blame] | 239 | m_thread.CalculateTarget()->RemoveBreakpointByID (m_break_ids[i]); |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 240 | m_break_ids[i] = LLDB_INVALID_BREAK_ID; |
| 241 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 242 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 243 | if (log) |
| 244 | log->Printf("Completed run to address plan."); |
| 245 | ThreadPlan::MischiefManaged (); |
| 246 | return true; |
| 247 | } |
| 248 | else |
| 249 | return false; |
| 250 | } |
| 251 | |
| 252 | bool |
| 253 | ThreadPlanRunToAddress::AtOurAddress () |
| 254 | { |
| 255 | lldb::addr_t current_address = m_thread.GetRegisterContext()->GetPC(); |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 256 | bool found_it = false; |
Jim Ingham | 33ee892 | 2011-01-26 19:10:34 +0000 | [diff] [blame] | 257 | size_t num_addresses = m_addresses.size(); |
| 258 | for (size_t i = 0; i < num_addresses; i++) |
Jim Ingham | 17454cf | 2010-09-14 22:03:00 +0000 | [diff] [blame] | 259 | { |
| 260 | if (m_addresses[i] == current_address) |
| 261 | { |
| 262 | found_it = true; |
| 263 | break; |
| 264 | } |
| 265 | } |
| 266 | return found_it; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 267 | } |