diff options
Diffstat (limited to 'gdb/procfs.c')
| -rw-r--r-- | gdb/procfs.c | 49 |
1 files changed, 26 insertions, 23 deletions
diff --git a/gdb/procfs.c b/gdb/procfs.c index 2591d6d..a59e32c 100644 --- a/gdb/procfs.c +++ b/gdb/procfs.c @@ -160,6 +160,8 @@ public: int can_use_hw_breakpoint (enum bptype, int, int) override; bool stopped_data_address (CORE_ADDR *) override; + + void procfs_init_inferior (int pid); }; static procfs_target the_procfs_target; @@ -1315,6 +1317,7 @@ proc_set_current_signal (procinfo *pi, int signo) char sinfo[sizeof (siginfo_t)]; } arg; siginfo_t mysinfo; + process_stratum_target *wait_target; ptid_t wait_ptid; struct target_waitstatus wait_status; @@ -1327,8 +1330,9 @@ proc_set_current_signal (procinfo *pi, int signo) pi = find_procinfo_or_die (pi->pid, 0); /* The pointer is just a type alias. */ - get_last_target_status (&wait_ptid, &wait_status); - if (wait_ptid == inferior_ptid + get_last_target_status (&wait_target, &wait_ptid, &wait_status); + if (wait_target == &the_procfs_target + && wait_ptid == inferior_ptid && wait_status.kind == TARGET_WAITKIND_STOPPED && wait_status.value.sig == gdb_signal_from_host (signo) && proc_get_status (pi) @@ -1987,7 +1991,7 @@ do_attach (ptid_t ptid) /* Add it to gdb's thread list. */ ptid = ptid_t (pi->pid, lwpid, 0); - add_thread (ptid); + add_thread (&the_procfs_target, ptid); return ptid; } @@ -2285,7 +2289,7 @@ wait_again: if (print_thread_events) printf_unfiltered (_("[%s exited]\n"), target_pid_to_str (retval).c_str ()); - delete_thread (find_thread_ptid (retval)); + delete_thread (find_thread_ptid (this, retval)); status->kind = TARGET_WAITKIND_SPURIOUS; return retval; } @@ -2307,7 +2311,7 @@ wait_again: if (!proc_run_process (pi, 0, 0)) proc_error (pi, "target_wait, run_process", __LINE__); - inf = find_inferior_pid (pi->pid); + inf = find_inferior_pid (this, pi->pid); if (inf->attach_flag) { /* Don't call wait: simulate waiting for exit, @@ -2394,8 +2398,8 @@ wait_again: temp_ptid = ptid_t (pi->pid, temp_tid, 0); /* If not in GDB's thread list, add it. */ - if (!in_thread_list (temp_ptid)) - add_thread (temp_ptid); + if (!in_thread_list (this, temp_ptid)) + add_thread (this, temp_ptid); /* Return to WFI, but tell it to immediately resume. */ status->kind = TARGET_WAITKIND_SPURIOUS; @@ -2406,7 +2410,7 @@ wait_again: if (print_thread_events) printf_unfiltered (_("[%s exited]\n"), target_pid_to_str (retval).c_str ()); - delete_thread (find_thread_ptid (retval)); + delete_thread (find_thread_ptid (this, retval)); status->kind = TARGET_WAITKIND_SPURIOUS; return retval; } @@ -2463,8 +2467,8 @@ wait_again: /* If not in GDB's thread list, add it. */ temp_ptid = ptid_t (pi->pid, temp_tid, 0); - if (!in_thread_list (temp_ptid)) - add_thread (temp_ptid); + if (!in_thread_list (this, temp_ptid)) + add_thread (this, temp_ptid); status->kind = TARGET_WAITKIND_STOPPED; status->value.sig = GDB_SIGNAL_0; @@ -2492,12 +2496,12 @@ wait_again: threads database, add it. */ if (retval.pid () > 0 && retval != inferior_ptid - && !in_thread_list (retval)) + && !in_thread_list (this, retval)) { /* We have a new thread. We need to add it both to GDB's list and to our own. If we don't create a procinfo, resume may be unhappy later. */ - add_thread (retval); + add_thread (this, retval); if (find_procinfo (retval.pid (), retval.lwp ()) == NULL) create_procinfo (retval.pid (), @@ -2850,8 +2854,8 @@ procfs_target::mourn_inferior () whatever is necessary to make the child ready to be debugged, and then wait for the child to synchronize. */ -static void -procfs_init_inferior (struct target_ops *ops, int pid) +void +procfs_target::procfs_init_inferior (int pid) { procinfo *pi; int fail; @@ -2859,8 +2863,8 @@ procfs_init_inferior (struct target_ops *ops, int pid) /* This routine called on the parent side (GDB side) after GDB forks the inferior. */ - if (!target_is_pushed (ops)) - push_target (ops); + if (!target_is_pushed (this)) + push_target (this); pi = create_procinfo (pid, 0); if (pi == NULL) @@ -2921,8 +2925,7 @@ procfs_init_inferior (struct target_ops *ops, int pid) /* We already have a main thread registered in the thread table at this point, but it didn't have any lwp info yet. Notify the core about it. This changes inferior_ptid as well. */ - thread_change_ptid (ptid_t (pid), - ptid_t (pid, lwpid, 0)); + thread_change_ptid (this, ptid_t (pid), ptid_t (pid, lwpid, 0)); gdb_startup_inferior (pid, START_INFERIOR_TRAPS_EXPECTED); } @@ -3089,9 +3092,9 @@ procfs_target::create_inferior (const char *exec_file, /* We have something that executes now. We'll be running through the shell at this point (if startup-with-shell is true), but the pid shouldn't change. */ - add_thread_silent (ptid_t (pid)); + add_thread_silent (this, ptid_t (pid)); - procfs_init_inferior (this, pid); + procfs_init_inferior (pid); } /* An observer for the "inferior_created" event. */ @@ -3108,9 +3111,9 @@ procfs_notice_thread (procinfo *pi, procinfo *thread, void *ptr) { ptid_t gdb_threadid = ptid_t (pi->pid, thread->tid, 0); - thread_info *thr = find_thread_ptid (gdb_threadid); + thread_info *thr = find_thread_ptid (&the_procfs_target, gdb_threadid); if (thr == NULL || thr->state == THREAD_EXITED) - add_thread (gdb_threadid); + add_thread (&the_procfs_target, gdb_threadid); return 0; } @@ -3739,7 +3742,7 @@ procfs_do_thread_registers (bfd *obfd, ptid_t ptid, char *note_data, int *note_size, enum gdb_signal stop_signal) { - struct regcache *regcache = get_thread_regcache (ptid); + struct regcache *regcache = get_thread_regcache (&the_procfs_target, ptid); gdb_gregset_t gregs; gdb_fpregset_t fpregs; unsigned long merged_pid; |