diff options
| -rw-r--r-- | gdbserver/linux-low.cc | 6 | ||||
| -rw-r--r-- | gdbserver/linux-low.h | 54 |
2 files changed, 31 insertions, 29 deletions
diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc index d27a216..6ea517e 100644 --- a/gdbserver/linux-low.cc +++ b/gdbserver/linux-low.cc @@ -897,11 +897,7 @@ linux_process_target::save_stop_reason (lwp_info *lwp) lwp_info * linux_process_target::add_lwp (ptid_t ptid) { - struct lwp_info *lwp; - - lwp = new lwp_info {}; - - lwp->waitstatus.kind = TARGET_WAITKIND_IGNORE; + lwp_info *lwp = new lwp_info; lwp->thread = add_thread (ptid, lwp); diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h index d59ad38..c6a17a4 100644 --- a/gdbserver/linux-low.h +++ b/gdbserver/linux-low.h @@ -721,8 +721,13 @@ struct pending_signal struct lwp_info { + lwp_info () + { + this->waitstatus.kind = TARGET_WAITKIND_IGNORE; + } + /* Backlink to the parent object. */ - struct thread_info *thread; + struct thread_info *thread = nullptr; /* If this flag is set, the next SIGSTOP will be ignored (the process will be immediately resumed). This means that either we @@ -730,25 +735,25 @@ struct lwp_info (so the SIGSTOP is still pending), or that we stopped the inferior implicitly via PTRACE_ATTACH and have not waited for it yet. */ - int stop_expected; + int stop_expected = 0; /* When this is true, we shall not try to resume this thread, even if last_resume_kind isn't resume_stop. */ - int suspended; + int suspended = 0; /* If this flag is set, the lwp is known to be stopped right now (stop event already received in a wait()). */ - int stopped; + int stopped = 0; /* Signal whether we are in a SYSCALL_ENTRY or in a SYSCALL_RETURN event. Values: - TARGET_WAITKIND_SYSCALL_ENTRY - TARGET_WAITKIND_SYSCALL_RETURN */ - enum target_waitkind syscall_state; + enum target_waitkind syscall_state = TARGET_WAITKIND_SYSCALL_ENTRY; /* When stopped is set, the last wait status recorded for this lwp. */ - int last_status; + int last_status = 0; /* If WAITSTATUS->KIND != TARGET_WAITKIND_IGNORE, the waitstatus for this LWP's last event, to pass to GDB without any further @@ -760,58 +765,59 @@ struct lwp_info the parent fork event is not reported to higher layers. Used to avoid wildcard vCont actions resuming a fork child before GDB is notified about the parent's fork event. */ - struct lwp_info *fork_relative; + struct lwp_info *fork_relative = nullptr; /* When stopped is set, this is where the lwp last stopped, with decr_pc_after_break already accounted for. If the LWP is running, this is the address at which the lwp was resumed. */ - CORE_ADDR stop_pc; + CORE_ADDR stop_pc = 0; /* If this flag is set, STATUS_PENDING is a waitstatus that has not yet been reported. */ - int status_pending_p; - int status_pending; + int status_pending_p = 0; + int status_pending = 0; /* The reason the LWP last stopped, if we need to track it (breakpoint, watchpoint, etc.) */ - enum target_stop_reason stop_reason; + enum target_stop_reason stop_reason = TARGET_STOPPED_BY_NO_REASON; /* On architectures where it is possible to know the data address of a triggered watchpoint, STOPPED_DATA_ADDRESS is non-zero, and contains such data address. Only valid if STOPPED_BY_WATCHPOINT is true. */ - CORE_ADDR stopped_data_address; + CORE_ADDR stopped_data_address = 0; /* If this is non-zero, it is a breakpoint to be reinserted at our next stop (SIGTRAP stops only). */ - CORE_ADDR bp_reinsert; + CORE_ADDR bp_reinsert = 0; /* If this flag is set, the last continue operation at the ptrace level on this process was a single-step. */ - int stepping; + int stepping = 0; /* Range to single step within. This is a copy of the step range passed along the last resume request. See 'struct thread_resume'. */ - CORE_ADDR step_range_start; /* Inclusive */ - CORE_ADDR step_range_end; /* Exclusive */ + CORE_ADDR step_range_start = 0; /* Inclusive */ + CORE_ADDR step_range_end = 0; /* Exclusive */ /* If this flag is set, we need to set the event request flags the next time we see this LWP stop. */ - int must_set_ptrace_flags; + int must_set_ptrace_flags = 0; /* A chain of signals that need to be delivered to this process. */ std::list<pending_signal> pending_signals; /* A link used when resuming. It is initialized from the resume request, and then processed and cleared in linux_resume_one_lwp. */ - struct thread_resume *resume; + struct thread_resume *resume = nullptr; /* Information bout this lwp's fast tracepoint collection status (is it currently stopped in the jump pad, and if so, before or at/after the relocated instruction). Normally, we won't care about this, but we will if a signal arrives to this lwp while it is collecting. */ - fast_tpoint_collect_result collecting_fast_tracepoint; + fast_tpoint_collect_result collecting_fast_tracepoint + = fast_tpoint_collect_result::not_collecting; /* A chain of signals that need to be reported to GDB. These were deferred because the thread was doing a fast tracepoint collect @@ -820,20 +826,20 @@ struct lwp_info /* When collecting_fast_tracepoint is first found to be 1, we insert a exit-jump-pad-quickly breakpoint. This is it. */ - struct breakpoint *exit_jump_pad_bkpt; + struct breakpoint *exit_jump_pad_bkpt = nullptr; #ifdef USE_THREAD_DB - int thread_known; + int thread_known = 0; /* The thread handle, used for e.g. TLS access. Only valid if THREAD_KNOWN is set. */ - td_thrhandle_t th; + td_thrhandle_t th {}; /* The pthread_t handle. */ - thread_t thread_handle; + thread_t thread_handle {}; #endif /* Arch-specific additions. */ - struct arch_lwp_info *arch_private; + struct arch_lwp_info *arch_private = nullptr; }; int linux_pid_exe_is_elf_64_file (int pid, unsigned int *machine); |