diff options
Diffstat (limited to 'gdbserver')
| -rw-r--r-- | gdbserver/ax.cc | 2 | ||||
| -rw-r--r-- | gdbserver/debug.cc | 24 | ||||
| -rw-r--r-- | gdbserver/debug.h | 31 | ||||
| -rw-r--r-- | gdbserver/fork-child.cc | 6 | ||||
| -rw-r--r-- | gdbserver/linux-aarch64-low.cc | 5 | ||||
| -rw-r--r-- | gdbserver/linux-low.cc | 965 | ||||
| -rw-r--r-- | gdbserver/linux-s390-low.cc | 5 | ||||
| -rw-r--r-- | gdbserver/linux-x86-low.cc | 5 | ||||
| -rw-r--r-- | gdbserver/mem-break.cc | 128 | ||||
| -rw-r--r-- | gdbserver/remote-utils.cc | 8 | ||||
| -rw-r--r-- | gdbserver/server.cc | 32 | ||||
| -rw-r--r-- | gdbserver/thread-db.cc | 44 | ||||
| -rw-r--r-- | gdbserver/tracepoint.cc | 26 |
13 files changed, 483 insertions, 798 deletions
diff --git a/gdbserver/ax.cc b/gdbserver/ax.cc index 4f36bc5..365bd21 100644 --- a/gdbserver/ax.cc +++ b/gdbserver/ax.cc @@ -39,7 +39,7 @@ ax_vdebug (const char *fmt, ...) #ifdef IN_PROCESS_AGENT fprintf (stderr, PROG "/ax: %s\n", buf); #else - debug_printf (PROG "/ax: %s\n", buf); + threads_debug_printf (PROG "/ax: %s", buf); #endif va_end (ap); } diff --git a/gdbserver/debug.cc b/gdbserver/debug.cc index 372b557..8b3e95e 100644 --- a/gdbserver/debug.cc +++ b/gdbserver/debug.cc @@ -110,30 +110,6 @@ debug_flush (void) fflush (debug_file); } -/* Notify the user that the code is entering FUNCTION_NAME. - FUNCTION_NAME is the name of the calling function, or NULL if unknown. - - This is intended to be called via the debug_enter macro. */ - -void -do_debug_enter (const char *function_name) -{ - if (function_name != NULL) - debug_printf (">>>> entering %s\n", function_name); -} - -/* Notify the user that the code is exiting FUNCTION_NAME. - FUNCTION_NAME is the name of the calling function, or NULL if unknown. - - This is intended to be called via the debug_exit macro. */ - -void -do_debug_exit (const char *function_name) -{ - if (function_name != NULL) - debug_printf ("<<<< exiting %s\n", function_name); -} - /* See debug.h. */ ssize_t diff --git a/gdbserver/debug.h b/gdbserver/debug.h index 20cb4e7..4220246 100644 --- a/gdbserver/debug.h +++ b/gdbserver/debug.h @@ -35,31 +35,22 @@ extern int using_threads; extern bool debug_threads; +/* Print a "threads" debug statement. */ + +#define threads_debug_printf(fmt, ...) \ + debug_prefixed_printf_cond (debug_threads, \ + "threads", fmt, ##__VA_ARGS__) + +/* Print "threads" enter/exit debug statements. */ + +#define THREADS_SCOPED_DEBUG_ENTER_EXIT \ + scoped_debug_enter_exit (debug_threads, "threads") + extern int debug_timestamp; void debug_flush (void); -void do_debug_enter (const char *function_name); -void do_debug_exit (const char *function_name); /* Async signal safe debug output function that calls write directly. */ ssize_t debug_write (const void *buf, size_t nbyte); -/* These macros are for use in major functions that produce a lot of - debugging output. They help identify in the mass of debugging output - when these functions enter and exit. debug_enter is intended to be - called at the start of a function, before any other debugging output. - debug_exit is intended to be called at the end of the same function, - after all debugging output. */ -#ifdef FUNCTION_NAME -#define debug_enter() \ - do { do_debug_enter (FUNCTION_NAME); } while (0) -#define debug_exit() \ - do { do_debug_exit (FUNCTION_NAME); } while (0) -#else -#define debug_enter() \ - do { } while (0) -#define debug_exit() \ - do { } while (0) -#endif - #endif /* GDBSERVER_DEBUG_H */ diff --git a/gdbserver/fork-child.cc b/gdbserver/fork-child.cc index c991ce3..96dd4d0 100644 --- a/gdbserver/fork-child.cc +++ b/gdbserver/fork-child.cc @@ -45,11 +45,7 @@ void prefork_hook (const char *args) { client_state &cs = get_client_state (); - if (debug_threads) - { - debug_printf ("args: %s\n", args); - debug_flush (); - } + threads_debug_printf ("args: %s", args); #ifdef SIGTTOU signal (SIGTTOU, SIG_DFL); diff --git a/gdbserver/linux-aarch64-low.cc b/gdbserver/linux-aarch64-low.cc index 10aab52..aef69b3 100644 --- a/gdbserver/linux-aarch64-low.cc +++ b/gdbserver/linux-aarch64-low.cc @@ -2467,9 +2467,8 @@ emit_ops_insns (const uint32_t *start, int len) { CORE_ADDR buildaddr = current_insn_ptr; - if (debug_threads) - debug_printf ("Adding %d instrucions at %s\n", - len, paddress (buildaddr)); + threads_debug_printf ("Adding %d instrucions at %s", + len, paddress (buildaddr)); append_insns (&buildaddr, len, start); current_insn_ptr = buildaddr; diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc index d7c7336..9e571a4 100644 --- a/gdbserver/linux-low.cc +++ b/gdbserver/linux-low.cc @@ -376,8 +376,7 @@ linux_process_target::delete_lwp (lwp_info *lwp) { struct thread_info *thr = get_lwp_thread (lwp); - if (debug_threads) - debug_printf ("deleting %ld\n", lwpid_of (thr)); + threads_debug_printf ("deleting %ld", lwpid_of (thr)); remove_thread (thr); @@ -489,13 +488,10 @@ linux_process_target::handle_extended_wait (lwp_info **orig_event_lwp, ptid = ptid_t (new_pid, new_pid); - if (debug_threads) - { - debug_printf ("HEW: Got fork event from LWP %ld, " - "new child is %d\n", - ptid_of (event_thr).lwp (), - ptid.pid ()); - } + threads_debug_printf ("Got fork event from LWP %ld, " + "new child is %d", + ptid_of (event_thr).lwp (), + ptid.pid ()); /* Add the new process to the tables and clone the breakpoint lists of the parent. We need to do this even if the new process @@ -520,8 +516,7 @@ linux_process_target::handle_extended_wait (lwp_info **orig_event_lwp, if (stopping_threads == STOPPING_AND_SUSPENDING_THREADS || event_lwp->bp_reinsert != 0) { - if (debug_threads) - debug_printf ("HEW: leaving child suspended\n"); + threads_debug_printf ("leaving child suspended"); child_lwp->suspended = 1; } @@ -586,10 +581,9 @@ linux_process_target::handle_extended_wait (lwp_info **orig_event_lwp, return 0; } - if (debug_threads) - debug_printf ("HEW: Got clone event " - "from LWP %ld, new child is LWP %ld\n", - lwpid_of (event_thr), new_pid); + threads_debug_printf + ("Got clone event from LWP %ld, new child is LWP %ld", + lwpid_of (event_thr), new_pid); ptid = ptid_t (pid_of (event_thr), new_pid); new_lwp = add_lwp (ptid); @@ -652,11 +646,8 @@ linux_process_target::handle_extended_wait (lwp_info **orig_event_lwp, ptid_t event_ptid; pid_t event_pid; - if (debug_threads) - { - debug_printf ("HEW: Got exec event from LWP %ld\n", - lwpid_of (event_thr)); - } + threads_debug_printf ("Got exec event from LWP %ld", + lwpid_of (event_thr)); /* Get the event ptid. */ event_ptid = ptid_of (event_thr); @@ -720,8 +711,7 @@ linux_process_target::get_pc (lwp_info *lwp) regcache = get_thread_regcache (current_thread, 1); pc = low_get_pc (regcache); - if (debug_threads) - debug_printf ("pc is 0x%lx\n", (long) pc); + threads_debug_printf ("pc is 0x%lx", (long) pc); return pc; } @@ -737,8 +727,7 @@ linux_process_target::get_syscall_trapinfo (lwp_info *lwp, int *sysno) regcache = get_thread_regcache (current_thread, 1); low_get_syscall_trapinfo (regcache, sysno); - if (debug_threads) - debug_printf ("get_syscall_trapinfo sysno %d\n", *sysno); + threads_debug_printf ("get_syscall_trapinfo sysno %d", *sysno); } void @@ -827,13 +816,9 @@ linux_process_target::save_stop_reason (lwp_info *lwp) if (lwp->stop_reason == TARGET_STOPPED_BY_SW_BREAKPOINT) { - if (debug_threads) - { - struct thread_info *thr = get_lwp_thread (lwp); - - debug_printf ("CSBB: %s stopped by software breakpoint\n", - target_pid_to_str (ptid_of (thr)).c_str ()); - } + threads_debug_printf + ("%s stopped by software breakpoint", + target_pid_to_str (ptid_of (get_lwp_thread (lwp))).c_str ()); /* Back up the PC if necessary. */ if (pc != sw_breakpoint_pc) @@ -847,35 +832,17 @@ linux_process_target::save_stop_reason (lwp_info *lwp) pc = sw_breakpoint_pc; } else if (lwp->stop_reason == TARGET_STOPPED_BY_HW_BREAKPOINT) - { - if (debug_threads) - { - struct thread_info *thr = get_lwp_thread (lwp); - - debug_printf ("CSBB: %s stopped by hardware breakpoint\n", - target_pid_to_str (ptid_of (thr)).c_str ()); - } - } + threads_debug_printf + ("%s stopped by hardware breakpoint", + target_pid_to_str (ptid_of (get_lwp_thread (lwp))).c_str ()); else if (lwp->stop_reason == TARGET_STOPPED_BY_WATCHPOINT) - { - if (debug_threads) - { - struct thread_info *thr = get_lwp_thread (lwp); - - debug_printf ("CSBB: %s stopped by hardware watchpoint\n", - target_pid_to_str (ptid_of (thr)).c_str ()); - } - } + threads_debug_printf + ("%s stopped by hardware watchpoint", + target_pid_to_str (ptid_of (get_lwp_thread (lwp))).c_str ()); else if (lwp->stop_reason == TARGET_STOPPED_BY_SINGLE_STEP) - { - if (debug_threads) - { - struct thread_info *thr = get_lwp_thread (lwp); - - debug_printf ("CSBB: %s stopped by trace\n", - target_pid_to_str (ptid_of (thr)).c_str ()); - } - } + threads_debug_printf + ("%s stopped by trace", + target_pid_to_str (ptid_of (get_lwp_thread (lwp))).c_str ()); lwp->stop_pc = pc; return true; @@ -1003,8 +970,7 @@ linux_process_target::attach_lwp (ptid_t ptid) if (linux_proc_pid_is_stopped (lwpid)) { - if (debug_threads) - debug_printf ("Attached to a stopped process\n"); + threads_debug_printf ("Attached to a stopped process"); /* The process is definitely stopped. It is in a job control stop, unless the kernel predates the TASK_STOPPED / @@ -1080,8 +1046,7 @@ attach_proc_task_lwp_callback (ptid_t ptid) int lwpid = ptid.lwp (); int err; - if (debug_threads) - debug_printf ("Found new lwp %d\n", lwpid); + threads_debug_printf ("Found new lwp %d", lwpid); err = the_linux_target->attach_lwp (ptid); @@ -1091,14 +1056,9 @@ attach_proc_task_lwp_callback (ptid_t ptid) case, confirm the status in /proc/PID/status. */ if (err == ESRCH || (err == EPERM && linux_proc_pid_is_gone (lwpid))) - { - if (debug_threads) - { - debug_printf ("Cannot attach to lwp %d: " - "thread is gone (%d: %s)\n", - lwpid, err, safe_strerror (err)); - } - } + threads_debug_printf + ("Cannot attach to lwp %d: thread is gone (%d: %s)", + lwpid, err, safe_strerror (err)); else if (err != 0) { std::string reason @@ -1237,9 +1197,9 @@ linux_kill_one_lwp (struct lwp_info *lwp) { int save_errno = errno; - debug_printf ("LKL: kill_lwp (SIGKILL) %s, 0, 0 (%s)\n", - target_pid_to_str (ptid_of (thr)).c_str (), - save_errno ? safe_strerror (save_errno) : "OK"); + threads_debug_printf ("kill_lwp (SIGKILL) %s, 0, 0 (%s)", + target_pid_to_str (ptid_of (thr)).c_str (), + save_errno ? safe_strerror (save_errno) : "OK"); } errno = 0; @@ -1248,9 +1208,9 @@ linux_kill_one_lwp (struct lwp_info *lwp) { int save_errno = errno; - debug_printf ("LKL: PTRACE_KILL %s, 0, 0 (%s)\n", - target_pid_to_str (ptid_of (thr)).c_str (), - save_errno ? safe_strerror (save_errno) : "OK"); + threads_debug_printf ("PTRACE_KILL %s, 0, 0 (%s)", + target_pid_to_str (ptid_of (thr)).c_str (), + save_errno ? safe_strerror (save_errno) : "OK"); } } @@ -1265,8 +1225,7 @@ kill_wait_lwp (struct lwp_info *lwp) int wstat; int res; - if (debug_threads) - debug_printf ("kwl: killing lwp %d, for pid: %d\n", lwpid, pid); + threads_debug_printf ("killing lwp %d, for pid: %d", lwpid, pid); do { @@ -1312,9 +1271,8 @@ kill_one_lwp_callback (thread_info *thread, int pid) if (lwpid_of (thread) == pid) { - if (debug_threads) - debug_printf ("lkop: is last of process %s\n", - target_pid_to_str (thread->id).c_str ()); + threads_debug_printf ("is last of process %s", + target_pid_to_str (thread->id).c_str ()); return; } @@ -1340,11 +1298,7 @@ linux_process_target::kill (process_info *process) lwp_info *lwp = find_lwp_pid (ptid_t (pid)); if (lwp == NULL) - { - if (debug_threads) - debug_printf ("lk_1: cannot find lwp for pid: %d\n", - pid); - } + threads_debug_printf ("cannot find lwp for pid: %d", pid); else kill_wait_lwp (lwp); @@ -1386,19 +1340,17 @@ get_detach_signal (struct thread_info *thread) if (!WIFSTOPPED (status)) { - if (debug_threads) - debug_printf ("GPS: lwp %s hasn't stopped: no pending signal\n", - target_pid_to_str (ptid_of (thread)).c_str ()); + threads_debug_printf ("lwp %s hasn't stopped: no pending signal", + target_pid_to_str (ptid_of (thread)).c_str ()); return 0; } /* Extended wait statuses aren't real SIGTRAPs. */ if (WSTOPSIG (status) == SIGTRAP && linux_is_extended_waitstatus (status)) { - if (debug_threads) - debug_printf ("GPS: lwp %s had stopped with extended " - "status: no pending signal\n", - target_pid_to_str (ptid_of (thread)).c_str ()); + threads_debug_printf ("lwp %s had stopped with extended " + "status: no pending signal", + target_pid_to_str (ptid_of (thread)).c_str ()); return 0; } @@ -1406,10 +1358,9 @@ get_detach_signal (struct thread_info *thread) if (cs.program_signals_p && !cs.program_signals[signo]) { - if (debug_threads) - debug_printf ("GPS: lwp %s had signal %s, but it is in nopass state\n", - target_pid_to_str (ptid_of (thread)).c_str (), - gdb_signal_to_string (signo)); + threads_debug_printf ("lwp %s had signal %s, but it is in nopass state", + target_pid_to_str (ptid_of (thread)).c_str (), + gdb_signal_to_string (signo)); return 0; } else if (!cs.program_signals_p @@ -1418,20 +1369,18 @@ get_detach_signal (struct thread_info *thread) SIGTRAP/SIGINT, which is GDB's default. */ && (signo == GDB_SIGNAL_TRAP || signo == GDB_SIGNAL_INT)) { - if (debug_threads) - debug_printf ("GPS: lwp %s had signal %s, " - "but we don't know if we should pass it. " - "Default to not.\n", - target_pid_to_str (ptid_of (thread)).c_str (), - gdb_signal_to_string (signo)); + threads_debug_printf ("lwp %s had signal %s, " + "but we don't know if we should pass it. " + "Default to not.", + target_pid_to_str (ptid_of (thread)).c_str (), + gdb_signal_to_string (signo)); return 0; } else { - if (debug_threads) - debug_printf ("GPS: lwp %s has pending signal %s: delivering it.\n", - target_pid_to_str (ptid_of (thread)).c_str (), - gdb_signal_to_string (signo)); + threads_debug_printf ("lwp %s has pending signal %s: delivering it", + target_pid_to_str (ptid_of (thread)).c_str (), + gdb_signal_to_string (signo)); return WSTOPSIG (status); } @@ -1447,9 +1396,8 @@ linux_process_target::detach_one_lwp (lwp_info *lwp) /* If there is a pending SIGSTOP, get rid of it. */ if (lwp->stop_expected) { - if (debug_threads) - debug_printf ("Sending SIGCONT to %s\n", - target_pid_to_str (ptid_of (thread)).c_str ()); + threads_debug_printf ("Sending SIGCONT to %s", + target_pid_to_str (ptid_of (thread)).c_str ()); kill_lwp (lwpid_of (thread), SIGCONT); lwp->stop_expected = 0; @@ -1509,12 +1457,10 @@ linux_process_target::detach_one_lwp (lwp_info *lwp) safe_strerror (save_errno)); } } - else if (debug_threads) - { - debug_printf ("PTRACE_DETACH (%s, %s, 0) (OK)\n", - target_pid_to_str (ptid_of (thread)).c_str (), - strsignal (sig)); - } + else + threads_debug_printf ("PTRACE_DETACH (%s, %s, 0) (OK)", + target_pid_to_str (ptid_of (thread)).c_str (), + strsignal (sig)); delete_lwp (lwp); } @@ -1645,9 +1591,8 @@ linux_process_target::thread_still_has_status_pending (thread_info *thread) if (pc != lp->stop_pc) { - if (debug_threads) - debug_printf ("PC of %ld changed\n", - lwpid_of (thread)); + threads_debug_printf ("PC of %ld changed", + lwpid_of (thread)); discard = 1; } @@ -1655,25 +1600,22 @@ linux_process_target::thread_still_has_status_pending (thread_info *thread) else if (lp->stop_reason == TARGET_STOPPED_BY_SW_BREAKPOINT && !low_breakpoint_at (pc)) { - if (debug_threads) - debug_printf ("previous SW breakpoint of %ld gone\n", - lwpid_of (thread)); + threads_debug_printf ("previous SW breakpoint of %ld gone", + lwpid_of (thread)); discard = 1; } else if (lp->stop_reason == TARGET_STOPPED_BY_HW_BREAKPOINT && !hardware_breakpoint_inserted_here (pc)) { - if (debug_threads) - debug_printf ("previous HW breakpoint of %ld gone\n", - lwpid_of (thread)); + threads_debug_printf ("previous HW breakpoint of %ld gone", + lwpid_of (thread)); discard = 1; } #endif if (discard) { - if (debug_threads) - debug_printf ("discarding pending breakpoint status\n"); + threads_debug_printf ("discarding pending breakpoint status"); lp->status_pending_p = 0; return 0; } @@ -1784,11 +1726,10 @@ linux_process_target::check_zombie_leaders () leader_lp = find_lwp_pid (ptid_t (leader_pid)); - if (debug_threads) - debug_printf ("leader_pid=%d, leader_lp!=NULL=%d, " - "num_lwps=%d, zombie=%d\n", - leader_pid, leader_lp!= NULL, num_lwps (leader_pid), - linux_proc_pid_is_zombie (leader_pid)); + threads_debug_printf ("leader_pid=%d, leader_lp!=NULL=%d, " + "num_lwps=%d, zombie=%d", + leader_pid, leader_lp!= NULL, num_lwps (leader_pid), + linux_proc_pid_is_zombie (leader_pid)); if (leader_lp != NULL && !leader_lp->stopped /* Check if there are other threads in the group, as we may @@ -1824,10 +1765,9 @@ linux_process_target::check_zombie_leaders () previous leader did exit voluntarily before some other thread execs). */ - if (debug_threads) - debug_printf ("CZL: Thread group leader %d zombie " - "(it exited, or another thread execd).\n", - leader_pid); + threads_debug_printf ("Thread group leader %d zombie " + "(it exited, or another thread execd).", + leader_pid); delete_lwp (leader_lp); } @@ -1855,13 +1795,10 @@ lwp_suspended_inc (struct lwp_info *lwp) { lwp->suspended++; - if (debug_threads && lwp->suspended > 4) - { - struct thread_info *thread = get_lwp_thread (lwp); - - debug_printf ("LWP %ld has a suspiciously high suspend count," - " suspended=%d\n", lwpid_of (thread), lwp->suspended); - } + if (lwp->suspended > 4) + threads_debug_printf + ("LWP %ld has a suspiciously high suspend count, suspended=%d", + lwpid_of (get_lwp_thread (lwp)), lwp->suspended); } /* Decrement LWP's suspend count. */ @@ -1923,8 +1860,7 @@ handle_tracepoints (struct lwp_info *lwp) if (tpoint_related_event) { - if (debug_threads) - debug_printf ("got a tracepoint event\n"); + threads_debug_printf ("got a tracepoint event"); return 1; } @@ -1967,10 +1903,9 @@ linux_process_target::maybe_move_out_of_jump_pad (lwp_info *lwp, int *wstat) { struct fast_tpoint_collect_status status; - if (debug_threads) - debug_printf ("Checking whether LWP %ld needs to move out of the " - "jump pad.\n", - lwpid_of (current_thread)); + threads_debug_printf + ("Checking whether LWP %ld needs to move out of the jump pad.", + lwpid_of (current_thread)); fast_tpoint_collect_result r = linux_fast_tracepoint_collecting (lwp, &status); @@ -1995,10 +1930,9 @@ linux_process_target::maybe_move_out_of_jump_pad (lwp_info *lwp, int *wstat) = set_breakpoint_at (status.adjusted_insn_addr, NULL); } - if (debug_threads) - debug_printf ("Checking whether LWP %ld needs to move out of " - "the jump pad...it does\n", - lwpid_of (current_thread)); + threads_debug_printf + ("Checking whether LWP %ld needs to move out of the jump pad..." + " it does", lwpid_of (current_thread)); return true; } @@ -2050,9 +1984,9 @@ linux_process_target::maybe_move_out_of_jump_pad (lwp_info *lwp, int *wstat) if (lwp->exit_jump_pad_bkpt != NULL) { - if (debug_threads) - debug_printf ("Cancelling fast exit-jump-pad: removing bkpt. " - "stopping all threads momentarily.\n"); + threads_debug_printf + ("Cancelling fast exit-jump-pad: removing bkpt." + "stopping all threads momentarily."); stop_all_lwps (1, lwp); @@ -2066,10 +2000,9 @@ linux_process_target::maybe_move_out_of_jump_pad (lwp_info *lwp, int *wstat) } } - if (debug_threads) - debug_printf ("Checking whether LWP %ld needs to move out of the " - "jump pad...no\n", - lwpid_of (current_thread)); + threads_debug_printf + ("Checking whether LWP %ld needs to move out of the jump pad... no", + lwpid_of (current_thread)); return false; } @@ -2082,17 +2015,15 @@ enqueue_one_deferred_signal (struct lwp_info *lwp, int *wstat) { struct thread_info *thread = get_lwp_thread (lwp); - if (debug_threads) - debug_printf ("Deferring signal %d for LWP %ld.\n", - WSTOPSIG (*wstat), lwpid_of (thread)); + threads_debug_printf ("Deferring signal %d for LWP %ld.", + WSTOPSIG (*wstat), lwpid_of (thread)); if (debug_threads) { for (const auto &sig : lwp->pending_signals_to_report) - debug_printf (" Already queued %d\n", - sig.signal); + threads_debug_printf (" Already queued %d", sig.signal); - debug_printf (" (no more currently queued signals)\n"); + threads_debug_printf (" (no more currently queued signals)"); } /* Don't enqueue non-RT signals if they are already in the deferred @@ -2104,11 +2035,9 @@ enqueue_one_deferred_signal (struct lwp_info *lwp, int *wstat) { if (sig.signal == WSTOPSIG (*wstat)) { - if (debug_threads) - debug_printf ("Not requeuing already queued non-RT signal %d" - " for LWP %ld\n", - sig.signal, - lwpid_of (thread)); + threads_debug_printf + ("Not requeuing already queued non-RT signal %d for LWP %ld", + sig.signal, lwpid_of (thread)); return; } } @@ -2139,17 +2068,15 @@ dequeue_one_deferred_signal (struct lwp_info *lwp, int *wstat) lwp->pending_signals_to_report.pop_front (); - if (debug_threads) - debug_printf ("Reporting deferred signal %d for LWP %ld.\n", - WSTOPSIG (*wstat), lwpid_of (thread)); + threads_debug_printf ("Reporting deferred signal %d for LWP %ld.", + WSTOPSIG (*wstat), lwpid_of (thread)); if (debug_threads) { for (const auto &sig : lwp->pending_signals_to_report) - debug_printf (" Still queued %d\n", - sig.signal); + threads_debug_printf (" Still queued %d", sig.signal); - debug_printf (" (no more queued signals)\n"); + threads_debug_printf (" (no more queued signals)"); } return 1; @@ -2240,11 +2167,8 @@ linux_process_target::filter_event (int lwpid, int wstat) ptid_t child_ptid; /* A multi-thread exec after we had seen the leader exiting. */ - if (debug_threads) - { - debug_printf ("LLW: Re-adding thread group leader LWP %d" - "after exec.\n", lwpid); - } + threads_debug_printf ("Re-adding thread group leader LWP %d after exec.", + lwpid); child_ptid = ptid_t (lwpid, lwpid); child = add_lwp (child_ptid); @@ -2273,8 +2197,7 @@ linux_process_target::filter_event (int lwpid, int wstat) /* Check if the thread has exited. */ if ((WIFEXITED (wstat) || WIFSIGNALED (wstat))) { - if (debug_threads) - debug_printf ("LLFE: %d exited.\n", lwpid); + threads_debug_printf ("%d exited", lwpid); if (finish_step_over (child)) { @@ -2380,33 +2303,29 @@ linux_process_target::filter_event (int lwpid, int wstat) if (WIFSTOPPED (wstat) && WSTOPSIG (wstat) == SIGSTOP && child->stop_expected) { - if (debug_threads) - debug_printf ("Expected stop.\n"); + threads_debug_printf ("Expected stop."); + child->stop_expected = 0; if (thread->last_resume_kind == resume_stop) { /* We want to report the stop to the core. Treat the SIGSTOP as a normal event. */ - if (debug_threads) - debug_printf ("LLW: resume_stop SIGSTOP caught for %s.\n", - target_pid_to_str (ptid_of (thread)).c_str ()); + threads_debug_printf ("resume_stop SIGSTOP caught for %s.", + target_pid_to_str (ptid_of (thread)).c_str ()); } else if (stopping_threads != NOT_STOPPING_THREADS) { /* Stopping threads. We don't want this SIGSTOP to end up pending. */ - if (debug_threads) - debug_printf ("LLW: SIGSTOP caught for %s " - "while stopping threads.\n", - target_pid_to_str (ptid_of (thread)).c_str ()); + threads_debug_printf ("SIGSTOP caught for %s while stopping threads.", + target_pid_to_str (ptid_of (thread)).c_str ()); return; } else { /* This is a delayed SIGSTOP. Filter out the event. */ - if (debug_threads) - debug_printf ("LLW: %s %s, 0, 0 (discard delayed SIGSTOP)\n", + threads_debug_printf ("%s %s, 0, 0 (discard delayed SIGSTOP)", child->stepping ? "step" : "continue", target_pid_to_str (ptid_of (thread)).c_str ()); @@ -2449,11 +2368,9 @@ linux_process_target::resume_stopped_resumed_lwps (thread_info *thread) if (thread->last_resume_kind == resume_step) step = maybe_hw_step (thread); - if (debug_threads) - debug_printf ("RSRL: resuming stopped-resumed LWP %s at %s: step=%d\n", - target_pid_to_str (ptid_of (thread)).c_str (), - paddress (lp->stop_pc), - step); + threads_debug_printf ("resuming stopped-resumed LWP %s at %s: step=%d", + target_pid_to_str (ptid_of (thread)).c_str (), + paddress (lp->stop_pc), step); resume_one_lwp (lp, step, GDB_SIGNAL_0, NULL); } @@ -2485,9 +2402,10 @@ linux_process_target::wait_for_event_filtered (ptid_t wait_ptid, }); if (event_thread != NULL) - event_child = get_thread_lwp (event_thread); - if (debug_threads && event_thread) - debug_printf ("Got a pending child %ld\n", lwpid_of (event_thread)); + { + event_child = get_thread_lwp (event_thread); + threads_debug_printf ("Got a pending child %ld", lwpid_of (event_thread)); + } } else if (filter_ptid != null_ptid) { @@ -2522,9 +2440,10 @@ linux_process_target::wait_for_event_filtered (ptid_t wait_ptid, if (event_child != NULL) { - if (debug_threads) - debug_printf ("Got an event from pending child %ld (%04x)\n", - lwpid_of (event_thread), event_child->status_pending); + threads_debug_printf ("Got an event from pending child %ld (%04x)", + lwpid_of (event_thread), + event_child->status_pending); + *wstatp = event_child->status_pending; event_child->status_pending_p = 0; event_child->status_pending = 0; @@ -2566,17 +2485,13 @@ linux_process_target::wait_for_event_filtered (ptid_t wait_ptid, errno = 0; ret = my_waitpid (-1, wstatp, options | WNOHANG); - if (debug_threads) - debug_printf ("LWFE: waitpid(-1, ...) returned %d, %s\n", - ret, errno ? safe_strerror (errno) : "ERRNO-OK"); + threads_debug_printf ("waitpid(-1, ...) returned %d, %s", + ret, errno ? safe_strerror (errno) : "ERRNO-OK"); if (ret > 0) { - if (debug_threads) - { - debug_printf ("LLW: waitpid %ld received %s\n", - (long) ret, status_to_str (*wstatp).c_str ()); - } + threads_debug_printf ("waitpid %ld received %s", + (long) ret, status_to_str (*wstatp).c_str ()); /* Filter all events. IOW, leave all events pending. We'll randomly select an event LWP out of all that have events @@ -2629,8 +2544,8 @@ linux_process_target::wait_for_event_filtered (ptid_t wait_ptid, over 0 (below), as it is more detailed. */ if (find_thread (not_stopped) == NULL) { - if (debug_threads) - debug_printf ("LLW: exit (no unwaited-for LWP)\n"); + threads_debug_printf ("exit (no unwaited-for LWP)"); + gdb_sigmask (SIG_SETMASK, &prev_mask, NULL); return -1; } @@ -2638,16 +2553,14 @@ linux_process_target::wait_for_event_filtered (ptid_t wait_ptid, /* No interesting event to report to the caller. */ if ((options & WNOHANG)) { - if (debug_threads) - debug_printf ("WNOHANG set, no event found\n"); + threads_debug_printf ("WNOHANG set, no event found"); gdb_sigmask (SIG_SETMASK, &prev_mask, NULL); return 0; } /* Block until we get an event reported with SIGCHLD. */ - if (debug_threads) - debug_printf ("sigsuspend'ing\n"); + threads_debug_printf ("sigsuspend'ing"); sigsuspend (&prev_mask); gdb_sigmask (SIG_SETMASK, &prev_mask, NULL); @@ -2694,11 +2607,9 @@ select_event_lwp (struct lwp_info **orig_lp) }); if (event_thread != NULL) - { - if (debug_threads) - debug_printf ("SEL: Select single-step %s\n", - target_pid_to_str (ptid_of (event_thread)).c_str ()); - } + threads_debug_printf + ("Select single-step %s", + target_pid_to_str (ptid_of (event_thread)).c_str ()); } if (event_thread == NULL) { @@ -2781,9 +2692,8 @@ linux_process_target::stabilize_threads () if (thread_stuck != NULL) { - if (debug_threads) - debug_printf ("can't stabilize, LWP %ld is stuck in jump pad\n", - lwpid_of (thread_stuck)); + threads_debug_printf ("can't stabilize, LWP %ld is stuck in jump pad", + lwpid_of (thread_stuck)); return; } @@ -2837,8 +2747,9 @@ linux_process_target::stabilize_threads () }); if (thread_stuck != NULL) - debug_printf ("couldn't stabilize, LWP %ld got stuck in jump pad\n", - lwpid_of (thread_stuck)); + threads_debug_printf + ("couldn't stabilize, LWP %ld got stuck in jump pad", + lwpid_of (thread_stuck)); } } @@ -2914,6 +2825,8 @@ ptid_t linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, target_wait_flags target_options) { + THREADS_SCOPED_DEBUG_ENTER_EXIT; + client_state &cs = get_client_state (); int w; struct lwp_info *event_child; @@ -2927,11 +2840,7 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, int in_step_range; int any_resumed; - if (debug_threads) - { - debug_enter (); - debug_printf ("wait_1: [%s]\n", target_pid_to_str (ptid).c_str ()); - } + threads_debug_printf ("[%s]", target_pid_to_str (ptid).c_str ()); /* Translate generic target options into linux options. */ options = __WALL; @@ -2965,9 +2874,8 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, pid = wait_for_event (ptid, &w, options); else { - if (debug_threads) - debug_printf ("step_over_bkpt set [%s], doing a blocking wait\n", - target_pid_to_str (step_over_bkpt).c_str ()); + threads_debug_printf ("step_over_bkpt set [%s], doing a blocking wait", + target_pid_to_str (step_over_bkpt).c_str ()); pid = wait_for_event (step_over_bkpt, &w, options & ~WNOHANG); } @@ -2975,24 +2883,14 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, { gdb_assert (target_options & TARGET_WNOHANG); - if (debug_threads) - { - debug_printf ("wait_1 ret = null_ptid, " - "TARGET_WAITKIND_IGNORE\n"); - debug_exit (); - } + threads_debug_printf ("ret = null_ptid, TARGET_WAITKIND_IGNORE"); ourstatus->set_ignore (); return null_ptid; } else if (pid == -1) { - if (debug_threads) - { - debug_printf ("wait_1 ret = null_ptid, " - "TARGET_WAITKIND_NO_RESUMED\n"); - debug_exit (); - } + threads_debug_printf ("ret = null_ptid, TARGET_WAITKIND_NO_RESUMED"); ourstatus->set_no_resumed (); return null_ptid; @@ -3008,27 +2906,19 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, { ourstatus->set_exited (WEXITSTATUS (w)); - if (debug_threads) - { - debug_printf ("wait_1 ret = %s, exited with " - "retcode %d\n", - target_pid_to_str (ptid_of (current_thread)).c_str (), - WEXITSTATUS (w)); - debug_exit (); - } + threads_debug_printf + ("ret = %s, exited with retcode %d", + target_pid_to_str (ptid_of (current_thread)).c_str (), + WEXITSTATUS (w)); } else { ourstatus->set_signalled (gdb_signal_from_host (WTERMSIG (w))); - if (debug_threads) - { - debug_printf ("wait_1 ret = %s, terminated with " - "signal %d\n", - target_pid_to_str (ptid_of (current_thread)).c_str (), - WTERMSIG (w)); - debug_exit (); - } + threads_debug_printf + ("ret = %s, terminated with signal %d", + target_pid_to_str (ptid_of (current_thread)).c_str (), + WTERMSIG (w)); } if (ourstatus->kind () == TARGET_WAITKIND_EXITED) @@ -3060,11 +2950,9 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, breakpoint_kind = breakpoint_kind_from_current_state (&stop_pc); sw_breakpoint_from_kind (breakpoint_kind, &increment_pc); - if (debug_threads) - { - debug_printf ("step-over for %s executed software breakpoint\n", - target_pid_to_str (ptid_of (current_thread)).c_str ()); - } + threads_debug_printf + ("step-over for %s executed software breakpoint", + target_pid_to_str (ptid_of (current_thread)).c_str ()); if (increment_pc != 0) { @@ -3117,10 +3005,7 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, trace_event = handle_tracepoints (event_child); if (bp_explains_trap) - { - if (debug_threads) - debug_printf ("Hit a gdbserver breakpoint.\n"); - } + threads_debug_printf ("Hit a gdbserver breakpoint."); } else { @@ -3141,10 +3026,9 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, && supports_fast_tracepoints () && agent_loaded_p ()) { - if (debug_threads) - debug_printf ("Got signal %d for LWP %ld. Check if we need " - "to defer or adjust it.\n", - WSTOPSIG (w), lwpid_of (current_thread)); + threads_debug_printf ("Got signal %d for LWP %ld. Check if we need " + "to defer or adjust it.", + WSTOPSIG (w), lwpid_of (current_thread)); /* Allow debugging the jump pad itself. */ if (current_thread->last_resume_kind != resume_step @@ -3152,14 +3036,11 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, { enqueue_one_deferred_signal (event_child, &w); - if (debug_threads) - debug_printf ("Signal %d for LWP %ld deferred (in jump pad)\n", - WSTOPSIG (w), lwpid_of (current_thread)); + threads_debug_printf ("Signal %d for LWP %ld deferred (in jump pad)", + WSTOPSIG (w), lwpid_of (current_thread)); resume_one_lwp (event_child, 0, 0, NULL); - if (debug_threads) - debug_exit (); return ignore_event (ourstatus); } } @@ -3167,11 +3048,11 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, if (event_child->collecting_fast_tracepoint != fast_tpoint_collect_result::not_collecting) { - if (debug_threads) - debug_printf ("LWP %ld was trying to move out of the jump pad (%d). " - "Check if we're already there.\n", - lwpid_of (current_thread), - (int) event_child->collecting_fast_tracepoint); + threads_debug_printf + ("LWP %ld was trying to move out of the jump pad (%d). " + "Check if we're already there.", + lwpid_of (current_thread), + (int) event_child->collecting_fast_tracepoint); trace_event = 1; @@ -3184,9 +3065,9 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, /* No longer need this breakpoint. */ if (event_child->exit_jump_pad_bkpt != NULL) { - if (debug_threads) - debug_printf ("No longer need exit-jump-pad bkpt; removing it." - "stopping all threads momentarily.\n"); + threads_debug_printf + ("No longer need exit-jump-pad bkpt; removing it." + "stopping all threads momentarily."); /* Other running threads could hit this breakpoint. We don't handle moribund locations like GDB does, @@ -3209,33 +3090,23 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, if (event_child->collecting_fast_tracepoint == fast_tpoint_collect_result::not_collecting) { - if (debug_threads) - debug_printf ("fast tracepoint finished " - "collecting successfully.\n"); + threads_debug_printf + ("fast tracepoint finished collecting successfully."); /* We may have a deferred signal to report. */ if (dequeue_one_deferred_signal (event_child, &w)) - { - if (debug_threads) - debug_printf ("dequeued one signal.\n"); - } + threads_debug_printf ("dequeued one signal."); else { - if (debug_threads) - debug_printf ("no deferred signals.\n"); + threads_debug_printf ("no deferred signals."); if (stabilizing_threads) { ourstatus->set_stopped (GDB_SIGNAL_0); - if (debug_threads) - { - debug_printf ("wait_1 ret = %s, stopped " - "while stabilizing threads\n", - target_pid_to_str - (ptid_of (current_thread)).c_str ()); - debug_exit (); - } + threads_debug_printf + ("ret = %s, stopped while stabilizing threads", + target_pid_to_str (ptid_of (current_thread)).c_str ()); return ptid_of (current_thread); } @@ -3250,16 +3121,11 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, && WSTOPSIG (w) == SYSCALL_SIGTRAP && !gdb_catch_this_syscall (event_child)) { - if (debug_threads) - { - debug_printf ("Ignored syscall for LWP %ld.\n", - lwpid_of (current_thread)); - } + threads_debug_printf ("Ignored syscall for LWP %ld.", + lwpid_of (current_thread)); resume_one_lwp (event_child, event_child->stepping, 0, NULL); - if (debug_threads) - debug_exit (); return ignore_event (ourstatus); } @@ -3287,9 +3153,8 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, { siginfo_t info, *info_p; - if (debug_threads) - debug_printf ("Ignored signal %d for LWP %ld.\n", - WSTOPSIG (w), lwpid_of (current_thread)); + threads_debug_printf ("Ignored signal %d for LWP %ld.", + WSTOPSIG (w), lwpid_of (current_thread)); if (ptrace (PTRACE_GETSIGINFO, lwpid_of (current_thread), (PTRACE_TYPE_ARG3) 0, &info) == 0) @@ -3316,9 +3181,6 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, WSTOPSIG (w), info_p); } - if (debug_threads) - debug_exit (); - return ignore_event (ourstatus); } @@ -3361,20 +3223,20 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, shouldn't know about. */ if (!report_to_gdb) { - if (debug_threads) - { - if (bp_explains_trap) - debug_printf ("Hit a gdbserver breakpoint.\n"); - if (step_over_finished) - debug_printf ("Step-over finished.\n"); - if (trace_event) - debug_printf ("Tracepoint event.\n"); - if (lwp_in_step_range (event_child)) - debug_printf ("Range stepping pc 0x%s [0x%s, 0x%s).\n", - paddress (event_child->stop_pc), - paddress (event_child->step_range_start), - paddress (event_child->step_range_end)); - } + if (bp_explains_trap) + threads_debug_printf ("Hit a gdbserver breakpoint."); + + if (step_over_finished) + threads_debug_printf ("Step-over finished."); + + if (trace_event) + threads_debug_printf ("Tracepoint event."); + + if (lwp_in_step_range (event_child)) + threads_debug_printf ("Range stepping pc 0x%s [0x%s, 0x%s).", + paddress (event_child->stop_pc), + paddress (event_child->step_range_start), + paddress (event_child->step_range_end)); /* We're not reporting this breakpoint to GDB, so apply the decr_pc_after_break adjustment to the inferior's regcache @@ -3410,36 +3272,36 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, } } - if (debug_threads) - debug_printf ("proceeding all threads.\n"); - proceed_all_lwps (); + threads_debug_printf ("proceeding all threads."); - if (debug_threads) - debug_exit (); + proceed_all_lwps (); return ignore_event (ourstatus); } - if (debug_threads) - { - if (event_child->waitstatus.kind () != TARGET_WAITKIND_IGNORE) - debug_printf ("LWP %ld: extended event with waitstatus %s\n", - lwpid_of (get_lwp_thread (event_child)), - event_child->waitstatus.to_string ().c_str ()); - if (current_thread->last_resume_kind == resume_step) - { - if (event_child->step_range_start == event_child->step_range_end) - debug_printf ("GDB wanted to single-step, reporting event.\n"); - else if (!lwp_in_step_range (event_child)) - debug_printf ("Out of step range, reporting event.\n"); - } - if (event_child->stop_reason == TARGET_STOPPED_BY_WATCHPOINT) - debug_printf ("Stopped by watchpoint.\n"); - else if (gdb_breakpoint_here (event_child->stop_pc)) - debug_printf ("Stopped by GDB breakpoint.\n"); - if (debug_threads) - debug_printf ("Hit a non-gdbserver trap event.\n"); - } + if (debug_threads) + { + if (event_child->waitstatus.kind () != TARGET_WAITKIND_IGNORE) + threads_debug_printf ("LWP %ld: extended event with waitstatus %s", + lwpid_of (get_lwp_thread (event_child)), + event_child->waitstatus.to_string ().c_str ()); + + if (current_thread->last_resume_kind == resume_step) + { + if (event_child->step_range_start == event_child->step_range_end) + threads_debug_printf + ("GDB wanted to single-step, reporting event."); + else if (!lwp_in_step_range (event_child)) + threads_debug_printf ("Out of step range, reporting event."); + } + + if (event_child->stop_reason == TARGET_STOPPED_BY_WATCHPOINT) + threads_debug_printf ("Stopped by watchpoint."); + else if (gdb_breakpoint_here (event_child->stop_pc)) + threads_debug_printf ("Stopped by GDB breakpoint."); + } + + threads_debug_printf ("Hit a non-gdbserver trap event."); /* Alright, we're going to report a stop. */ @@ -3630,13 +3492,9 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus, gdb_assert (step_over_bkpt == null_ptid); - if (debug_threads) - { - debug_printf ("wait_1 ret = %s, %d, %d\n", - target_pid_to_str (ptid_of (current_thread)).c_str (), - ourstatus->kind (), ourstatus->sig ()); - debug_exit (); - } + threads_debug_printf ("ret = %s, %d, %d", + target_pid_to_str (ptid_of (current_thread)).c_str (), + ourstatus->kind (), ourstatus->sig ()); if (ourstatus->kind () == TARGET_WAITKIND_EXITED) return filter_exit_event (event_child, ourstatus); @@ -3736,14 +3594,12 @@ send_sigstop (struct lwp_info *lwp) send another. */ if (lwp->stop_expected) { - if (debug_threads) - debug_printf ("Have pending sigstop for lwp %d\n", pid); + threads_debug_printf ("Have pending sigstop for lwp %d", pid); return; } - if (debug_threads) - debug_printf ("Sending sigstop to lwp %d\n", pid); + threads_debug_printf ("Sending sigstop to lwp %d", pid); lwp->stop_expected = 1; kill_lwp (pid, SIGSTOP); @@ -3828,8 +3684,7 @@ linux_process_target::wait_for_sigstop () scoped_restore_current_thread restore_thread; - if (debug_threads) - debug_printf ("wait_for_sigstop: pulling events\n"); + threads_debug_printf ("pulling events"); /* Passing NULL_PTID as filter indicates we want all events to be left pending. Eventually this returns when there are no @@ -3841,8 +3696,7 @@ linux_process_target::wait_for_sigstop () return; else { - if (debug_threads) - debug_printf ("Previously current thread died.\n"); + threads_debug_printf ("Previously current thread died."); /* We can't change the current inferior behind GDB's back, otherwise, a subsequent command may apply to the wrong @@ -3901,19 +3755,16 @@ linux_process_target::move_out_of_jump_pad (thread_info *thread) && thread->last_resume_kind != resume_step && maybe_move_out_of_jump_pad (lwp, wstat)) { - if (debug_threads) - debug_printf ("LWP %ld needs stabilizing (in jump pad)\n", - lwpid_of (thread)); + threads_debug_printf ("LWP %ld needs stabilizing (in jump pad)", + lwpid_of (thread)); if (wstat) { lwp->status_pending_p = 0; enqueue_one_deferred_signal (lwp, wstat); - if (debug_threads) - debug_printf ("Signal %d for LWP %ld deferred " - "(in jump pad)\n", - WSTOPSIG (*wstat), lwpid_of (thread)); + threads_debug_printf ("Signal %d for LWP %ld deferred (in jump pad", + WSTOPSIG (*wstat), lwpid_of (thread)); } resume_one_lwp (lwp, 0, 0, NULL); @@ -3939,16 +3790,13 @@ linux_process_target::stop_all_lwps (int suspend, lwp_info *except) /* Should not be called recursively. */ gdb_assert (stopping_threads == NOT_STOPPING_THREADS); - if (debug_threads) - { - debug_enter (); - debug_printf ("stop_all_lwps (%s, except=%s)\n", - suspend ? "stop-and-suspend" : "stop", - (except != NULL - ? target_pid_to_str - (ptid_of (get_lwp_thread (except))).c_str () - : "none")); - } + THREADS_SCOPED_DEBUG_ENTER_EXIT; + + threads_debug_printf + ("%s, except=%s", suspend ? "stop-and-suspend" : "stop", + (except != NULL + ? target_pid_to_str (ptid_of (get_lwp_thread (except))).c_str () + : "none")); stopping_threads = (suspend ? STOPPING_AND_SUSPENDING_THREADS @@ -3968,12 +3816,7 @@ linux_process_target::stop_all_lwps (int suspend, lwp_info *except) wait_for_sigstop (); stopping_threads = NOT_STOPPING_THREADS; - if (debug_threads) - { - debug_printf ("stop_all_lwps done, setting stopping_threads " - "back to !stopping\n"); - debug_exit (); - } + threads_debug_printf ("setting stopping_threads back to !stopping"); } /* Enqueue one signal in the chain of signals which need to be @@ -4019,10 +3862,7 @@ linux_process_target::single_step (lwp_info* lwp) step = 0; } else - { - if (debug_threads) - debug_printf ("stepping is not implemented on this target"); - } + threads_debug_printf ("stepping is not implemented on this target"); return step; } @@ -4092,11 +3932,10 @@ linux_process_target::resume_one_lwp_throw (lwp_info *lwp, int step, if (lwp->status_pending_p) { - if (debug_threads) - debug_printf ("Not resuming lwp %ld (%s, stop %s);" - " has pending status\n", - lwpid_of (thread), step ? "step" : "continue", - lwp->stop_expected ? "expected" : "not expected"); + threads_debug_printf + ("Not resuming lwp %ld (%s, stop %s); has pending status", + lwpid_of (thread), step ? "step" : "continue", + lwp->stop_expected ? "expected" : "not expected"); return; } @@ -4115,9 +3954,8 @@ linux_process_target::resume_one_lwp_throw (lwp_info *lwp, int step, worthwhile just to solve this one, however. */ if (lwp->bp_reinsert != 0) { - if (debug_threads) - debug_printf (" pending reinsert at 0x%s\n", - paddress (lwp->bp_reinsert)); + threads_debug_printf (" pending reinsert at 0x%s", + paddress (lwp->bp_reinsert)); if (supports_hardware_single_step ()) { @@ -4135,18 +3973,15 @@ linux_process_target::resume_one_lwp_throw (lwp_info *lwp, int step, } if (fast_tp_collecting == fast_tpoint_collect_result::before_insn) - { - if (debug_threads) - debug_printf ("lwp %ld wants to get out of fast tracepoint jump pad" - " (exit-jump-pad-bkpt)\n", - lwpid_of (thread)); - } + threads_debug_printf + ("lwp %ld wants to get out of fast tracepoint jump pad " + "(exit-jump-pad-bkpt)", lwpid_of (thread)); + else if (fast_tp_collecting == fast_tpoint_collect_result::at_insn) { - if (debug_threads) - debug_printf ("lwp %ld wants to get out of fast tracepoint jump pad" - " single-stepping\n", - lwpid_of (thread)); + threads_debug_printf + ("lwp %ld wants to get out of fast tracepoint jump pad single-stepping", + lwpid_of (thread)); if (supports_hardware_single_step ()) step = 1; @@ -4168,9 +4003,9 @@ linux_process_target::resume_one_lwp_throw (lwp_info *lwp, int step, enhancement. */ if (thread->while_stepping != NULL) { - if (debug_threads) - debug_printf ("lwp %ld has a while-stepping action -> forcing step.\n", - lwpid_of (thread)); + threads_debug_printf + ("lwp %ld has a while-stepping action -> forcing step.", + lwpid_of (thread)); step = single_step (lwp); } @@ -4181,11 +4016,8 @@ linux_process_target::resume_one_lwp_throw (lwp_info *lwp, int step, lwp->stop_pc = low_get_pc (regcache); - if (debug_threads) - { - debug_printf (" %s from pc 0x%lx\n", step ? "step" : "continue", - (long) lwp->stop_pc); - } + threads_debug_printf (" %s from pc 0x%lx", step ? "step" : "continue", + (long) lwp->stop_pc); } /* If we have pending signals, consume one if it can be delivered to @@ -4202,10 +4034,9 @@ linux_process_target::resume_one_lwp_throw (lwp_info *lwp, int step, lwp->pending_signals.pop_front (); } - if (debug_threads) - debug_printf ("Resuming lwp %ld (%s, signal %d, stop %s)\n", - lwpid_of (thread), step ? "step" : "continue", signal, - lwp->stop_expected ? "expected" : "not expected"); + threads_debug_printf ("Resuming lwp %ld (%s, signal %d, stop %s)", + lwpid_of (thread), step ? "step" : "continue", signal, + lwp->stop_expected ? "expected" : "not expected"); low_prepare_to_resume (lwp); @@ -4319,13 +4150,11 @@ linux_set_resume_request (thread_info *thread, thread_resume *resume, size_t n) if (resume[ndx].kind == resume_stop && thread->last_resume_kind == resume_stop) { - if (debug_threads) - debug_printf ("already %s LWP %ld at GDB's request\n", - (thread->last_status.kind () - == TARGET_WAITKIND_STOPPED) - ? "stopped" - : "stopping", - lwpid_of (thread)); + threads_debug_printf + ("already %s LWP %ld at GDB's request", + (thread->last_status.kind () == TARGET_WAITKIND_STOPPED + ? "stopped" : "stopping"), + lwpid_of (thread)); continue; } @@ -4335,13 +4164,11 @@ linux_set_resume_request (thread_info *thread, thread_resume *resume, size_t n) if (resume[ndx].kind != resume_stop && thread->last_resume_kind != resume_stop) { - if (debug_threads) - debug_printf ("already %s LWP %ld at GDB's request\n", - (thread->last_resume_kind - == resume_step) - ? "stepping" - : "continuing", - lwpid_of (thread)); + threads_debug_printf + ("already %s LWP %ld at GDB's request", + (thread->last_resume_kind == resume_step + ? "stepping" : "continuing"), + lwpid_of (thread)); continue; } @@ -4355,9 +4182,9 @@ linux_set_resume_request (thread_info *thread, thread_resume *resume, size_t n) && (rel->waitstatus.kind () == TARGET_WAITKIND_FORKED || rel->waitstatus.kind () == TARGET_WAITKIND_VFORKED)) { - if (debug_threads) - debug_printf ("not resuming LWP %ld: has queued stop reply\n", - lwpid_of (thread)); + threads_debug_printf + ("not resuming LWP %ld: has queued stop reply", + lwpid_of (thread)); continue; } } @@ -4368,9 +4195,9 @@ linux_set_resume_request (thread_info *thread, thread_resume *resume, size_t n) (wildcard) resume request. */ if (in_queued_stop_replies (thread->id)) { - if (debug_threads) - debug_printf ("not resuming LWP %ld: has queued stop reply\n", - lwpid_of (thread)); + threads_debug_printf + ("not resuming LWP %ld: has queued stop reply", + lwpid_of (thread)); continue; } @@ -4389,11 +4216,11 @@ linux_set_resume_request (thread_info *thread, thread_resume *resume, size_t n) { lwp->status_pending_p = 1; - if (debug_threads) - debug_printf ("Dequeueing deferred signal %d for LWP %ld, " - "leaving status pending.\n", - WSTOPSIG (lwp->status_pending), - lwpid_of (thread)); + threads_debug_printf + ("Dequeueing deferred signal %d for LWP %ld, " + "leaving status pending.", + WSTOPSIG (lwp->status_pending), + lwpid_of (thread)); } return; @@ -4434,18 +4261,16 @@ linux_process_target::thread_needs_step_over (thread_info *thread) if (!lwp->stopped) { - if (debug_threads) - debug_printf ("Need step over [LWP %ld]? Ignoring, not stopped\n", - lwpid_of (thread)); + threads_debug_printf ("Need step over [LWP %ld]? Ignoring, not stopped", + lwpid_of (thread)); return false; } if (thread->last_resume_kind == resume_stop) { - if (debug_threads) - debug_printf ("Need step over [LWP %ld]? Ignoring, should remain" - " stopped\n", - lwpid_of (thread)); + threads_debug_printf + ("Need step over [LWP %ld]? Ignoring, should remain stopped", + lwpid_of (thread)); return false; } @@ -4453,18 +4278,16 @@ linux_process_target::thread_needs_step_over (thread_info *thread) if (lwp->suspended) { - if (debug_threads) - debug_printf ("Need step over [LWP %ld]? Ignoring, suspended\n", - lwpid_of (thread)); + threads_debug_printf ("Need step over [LWP %ld]? Ignoring, suspended", + lwpid_of (thread)); return false; } if (lwp->status_pending_p) { - if (debug_threads) - debug_printf ("Need step over [LWP %ld]? Ignoring, has pending" - " status.\n", - lwpid_of (thread)); + threads_debug_printf + ("Need step over [LWP %ld]? Ignoring, has pending status.", + lwpid_of (thread)); return false; } @@ -4479,11 +4302,10 @@ linux_process_target::thread_needs_step_over (thread_info *thread) command, or poked thread's registers herself. */ if (pc != lwp->stop_pc) { - if (debug_threads) - debug_printf ("Need step over [LWP %ld]? Cancelling, PC was changed. " - "Old stop_pc was 0x%s, PC is now 0x%s\n", - lwpid_of (thread), - paddress (lwp->stop_pc), paddress (pc)); + threads_debug_printf + ("Need step over [LWP %ld]? Cancelling, PC was changed. " + "Old stop_pc was 0x%s, PC is now 0x%s", lwpid_of (thread), + paddress (lwp->stop_pc), paddress (pc)); return false; } @@ -4493,10 +4315,9 @@ linux_process_target::thread_needs_step_over (thread_info *thread) && !lwp->pending_signals.empty () && lwp_signal_can_be_delivered (lwp)) { - if (debug_threads) - debug_printf ("Need step over [LWP %ld]? Ignoring, has pending" - " signals.\n", - lwpid_of (thread)); + threads_debug_printf + ("Need step over [LWP %ld]? Ignoring, has pending signals.", + lwpid_of (thread)); return false; } @@ -4514,19 +4335,17 @@ linux_process_target::thread_needs_step_over (thread_info *thread) && gdb_condition_true_at_breakpoint (pc) && gdb_no_commands_at_breakpoint (pc)) { - if (debug_threads) - debug_printf ("Need step over [LWP %ld]? yes, but found" - " GDB breakpoint at 0x%s; skipping step over\n", - lwpid_of (thread), paddress (pc)); + threads_debug_printf ("Need step over [LWP %ld]? yes, but found" + " GDB breakpoint at 0x%s; skipping step over", + lwpid_of (thread), paddress (pc)); return false; } else { - if (debug_threads) - debug_printf ("Need step over [LWP %ld]? yes, " - "found breakpoint at 0x%s\n", - lwpid_of (thread), paddress (pc)); + threads_debug_printf ("Need step over [LWP %ld]? yes, " + "found breakpoint at 0x%s", + lwpid_of (thread), paddress (pc)); /* We've found an lwp that needs stepping over --- return 1 so that find_thread stops looking. */ @@ -4534,10 +4353,9 @@ linux_process_target::thread_needs_step_over (thread_info *thread) } } - if (debug_threads) - debug_printf ("Need step over [LWP %ld]? No, no breakpoint found" - " at 0x%s\n", - lwpid_of (thread), paddress (pc)); + threads_debug_printf + ("Need step over [LWP %ld]? No, no breakpoint found at 0x%s", + lwpid_of (thread), paddress (pc)); return false; } @@ -4548,9 +4366,8 @@ linux_process_target::start_step_over (lwp_info *lwp) struct thread_info *thread = get_lwp_thread (lwp); CORE_ADDR pc; - if (debug_threads) - debug_printf ("Starting step-over on LWP %ld. Stopping all threads\n", - lwpid_of (thread)); + threads_debug_printf ("Starting step-over on LWP %ld. Stopping all threads", + lwpid_of (thread)); stop_all_lwps (1, lwp); @@ -4561,8 +4378,7 @@ linux_process_target::start_step_over (lwp_info *lwp) lwp->suspended); } - if (debug_threads) - debug_printf ("Done stopping all threads for step-over.\n"); + threads_debug_printf ("Done stopping all threads for step-over."); /* Note, we should always reach here with an already adjusted PC, either by GDB (if we're resuming due to GDB's request), or by our @@ -4595,8 +4411,7 @@ linux_process_target::finish_step_over (lwp_info *lwp) { scoped_restore_current_thread restore_thread; - if (debug_threads) - debug_printf ("Finished step over.\n"); + threads_debug_printf ("Finished step over."); switch_to_thread (get_lwp_thread (lwp)); @@ -4634,8 +4449,7 @@ linux_process_target::complete_ongoing_step_over () int wstat; int ret; - if (debug_threads) - debug_printf ("detach: step over in progress, finish it first\n"); + threads_debug_printf ("detach: step over in progress, finish it first"); /* Passing NULL_PTID as filter indicates we want all events to be left pending. Eventually this returns when there are no @@ -4659,19 +4473,15 @@ linux_process_target::complete_ongoing_step_over () thread_info *thread = get_lwp_thread (lwp); if (thread->last_resume_kind != resume_step) { - if (debug_threads) - debug_printf ("detach: discard step-over SIGTRAP\n"); + threads_debug_printf ("detach: discard step-over SIGTRAP"); lwp->status_pending_p = 0; lwp->status_pending = 0; resume_one_lwp (lwp, lwp->stepping, 0, NULL); } else - { - if (debug_threads) - debug_printf ("detach: resume_step, " - "not discarding step-over SIGTRAP\n"); - } + threads_debug_printf + ("detach: resume_step, not discarding step-over SIGTRAP"); } } step_over_bkpt = null_ptid; @@ -4691,13 +4501,12 @@ linux_process_target::resume_one_thread (thread_info *thread, if (lwp->resume->kind == resume_stop) { - if (debug_threads) - debug_printf ("resume_stop request for LWP %ld\n", lwpid_of (thread)); + threads_debug_printf ("resume_stop request for LWP %ld", + lwpid_of (thread)); if (!lwp->stopped) { - if (debug_threads) - debug_printf ("stopping LWP %ld\n", lwpid_of (thread)); + threads_debug_printf ("stopping LWP %ld", lwpid_of (thread)); /* Stop the thread, and wait for the event asynchronously, through the event loop. */ @@ -4705,9 +4514,7 @@ linux_process_target::resume_one_thread (thread_info *thread, } else { - if (debug_threads) - debug_printf ("already stopped LWP %ld\n", - lwpid_of (thread)); + threads_debug_printf ("already stopped LWP %ld", lwpid_of (thread)); /* The LWP may have been stopped in an internal event that was not meant to be notified back to GDB (e.g., gdbserver @@ -4769,16 +4576,12 @@ linux_process_target::resume_one_thread (thread_info *thread, if (!leave_pending) { - if (debug_threads) - debug_printf ("resuming LWP %ld\n", lwpid_of (thread)); + threads_debug_printf ("resuming LWP %ld", lwpid_of (thread)); proceed_one_lwp (thread, NULL); } else - { - if (debug_threads) - debug_printf ("leaving LWP %ld stopped\n", lwpid_of (thread)); - } + threads_debug_printf ("leaving LWP %ld stopped", lwpid_of (thread)); thread->last_status.set_ignore (); lwp->resume = NULL; @@ -4789,11 +4592,7 @@ linux_process_target::resume (thread_resume *resume_info, size_t n) { struct thread_info *need_step_over = NULL; - if (debug_threads) - { - debug_enter (); - debug_printf ("linux_resume:\n"); - } + THREADS_SCOPED_DEBUG_ENTER_EXIT; for_each_thread ([&] (thread_info *thread) { @@ -4827,16 +4626,13 @@ linux_process_target::resume (thread_resume *resume_info, size_t n) bool leave_all_stopped = (need_step_over != NULL || any_pending); - if (debug_threads) - { - if (need_step_over != NULL) - debug_printf ("Not resuming all, need step over\n"); - else if (any_pending) - debug_printf ("Not resuming, all-stop and found " - "an LWP with pending status\n"); - else - debug_printf ("Resuming, no pending status or step over needed\n"); - } + if (need_step_over != NULL) + threads_debug_printf ("Not resuming all, need step over"); + else if (any_pending) + threads_debug_printf ("Not resuming, all-stop and found " + "an LWP with pending status"); + else + threads_debug_printf ("Resuming, no pending status or step over needed"); /* Even if we're leaving threads stopped, queue all signals we'd otherwise deliver. */ @@ -4848,12 +4644,6 @@ linux_process_target::resume (thread_resume *resume_info, size_t n) if (need_step_over) start_step_over (get_thread_lwp (need_step_over)); - if (debug_threads) - { - debug_printf ("linux_resume done\n"); - debug_exit (); - } - /* We may have events that were pending that can/should be sent to the client now. Trigger a linux_wait call. */ if (target_is_async_p ()) @@ -4869,30 +4659,26 @@ linux_process_target::proceed_one_lwp (thread_info *thread, lwp_info *except) if (lwp == except) return; - if (debug_threads) - debug_printf ("proceed_one_lwp: lwp %ld\n", lwpid_of (thread)); + threads_debug_printf ("lwp %ld", lwpid_of (thread)); if (!lwp->stopped) { - if (debug_threads) - debug_printf (" LWP %ld already running\n", lwpid_of (thread)); + threads_debug_printf (" LWP %ld already running", lwpid_of (thread)); return; } if (thread->last_resume_kind == resume_stop && thread->last_status.kind () != TARGET_WAITKIND_IGNORE) { - if (debug_threads) - debug_printf (" client wants LWP to remain %ld stopped\n", - lwpid_of (thread)); + threads_debug_printf (" client wants LWP to remain %ld stopped", + lwpid_of (thread)); return; } if (lwp->status_pending_p) { - if (debug_threads) - debug_printf (" LWP %ld has pending status, leaving stopped\n", - lwpid_of (thread)); + threads_debug_printf (" LWP %ld has pending status, leaving stopped", + lwpid_of (thread)); return; } @@ -4900,8 +4686,7 @@ linux_process_target::proceed_one_lwp (thread_info *thread, lwp_info *except) if (lwp->suspended) { - if (debug_threads) - debug_printf (" LWP %ld is suspended\n", lwpid_of (thread)); + threads_debug_printf (" LWP %ld is suspended", lwpid_of (thread)); return; } @@ -4920,19 +4705,17 @@ linux_process_target::proceed_one_lwp (thread_info *thread, lwp_info *except) another one here. Note that if the LWP already has a SIGSTOP pending, this is a no-op. */ - if (debug_threads) - debug_printf ("Client wants LWP %ld to stop. " - "Making sure it has a SIGSTOP pending\n", - lwpid_of (thread)); + threads_debug_printf + ("Client wants LWP %ld to stop. Making sure it has a SIGSTOP pending", + lwpid_of (thread)); send_sigstop (lwp); } if (thread->last_resume_kind == resume_step) { - if (debug_threads) - debug_printf (" stepping LWP %ld, client wants it stepping\n", - lwpid_of (thread)); + threads_debug_printf (" stepping LWP %ld, client wants it stepping", + lwpid_of (thread)); /* If resume_step is requested by GDB, install single-step breakpoints when the thread is about to be actually resumed if @@ -4945,9 +4728,8 @@ linux_process_target::proceed_one_lwp (thread_info *thread, lwp_info *except) } else if (lwp->bp_reinsert != 0) { - if (debug_threads) - debug_printf (" stepping LWP %ld, reinsert set\n", - lwpid_of (thread)); + threads_debug_printf (" stepping LWP %ld, reinsert set", + lwpid_of (thread)); step = maybe_hw_step (thread); } @@ -4990,18 +4772,15 @@ linux_process_target::proceed_all_lwps () if (need_step_over != NULL) { - if (debug_threads) - debug_printf ("proceed_all_lwps: found " - "thread %ld needing a step-over\n", - lwpid_of (need_step_over)); + threads_debug_printf ("found thread %ld needing a step-over", + lwpid_of (need_step_over)); start_step_over (get_thread_lwp (need_step_over)); return; } } - if (debug_threads) - debug_printf ("Proceeding, no step-over needed\n"); + threads_debug_printf ("Proceeding, no step-over needed"); for_each_thread ([this] (thread_info *thread) { @@ -5012,15 +4791,13 @@ linux_process_target::proceed_all_lwps () void linux_process_target::unstop_all_lwps (int unsuspend, lwp_info *except) { - if (debug_threads) - { - debug_enter (); - if (except) - debug_printf ("unstopping all lwps, except=(LWP %ld)\n", - lwpid_of (get_lwp_thread (except))); - else - debug_printf ("unstopping all lwps\n"); - } + THREADS_SCOPED_DEBUG_ENTER_EXIT; + + if (except) + threads_debug_printf ("except=(LWP %ld)", + lwpid_of (get_lwp_thread (except))); + else + threads_debug_printf ("except=nullptr"); if (unsuspend) for_each_thread ([&] (thread_info *thread) @@ -5032,12 +4809,6 @@ linux_process_target::unstop_all_lwps (int unsuspend, lwp_info *except) { proceed_one_lwp (thread, except); }); - - if (debug_threads) - { - debug_printf ("unstop_all_lwps done\n"); - debug_exit (); - } } @@ -5622,8 +5393,8 @@ linux_process_target::write_memory (CORE_ADDR memaddr, } *p = '\0'; - debug_printf ("Writing %s to 0x%08lx in process %d\n", - str, (long) memaddr, pid); + threads_debug_printf ("Writing %s to 0x%08lx in process %d", + str, (long) memaddr, pid); } /* Fill start and end extra bytes of buffer with existing memory data. */ @@ -5967,10 +5738,9 @@ linux_process_target::qxfer_siginfo (const char *annex, pid = lwpid_of (current_thread); - if (debug_threads) - debug_printf ("%s siginfo for lwp %d.\n", - readbuf != NULL ? "Reading" : "Writing", - pid); + threads_debug_printf ("%s siginfo for lwp %d.", + readbuf != NULL ? "Reading" : "Writing", + pid); if (offset >= sizeof (siginfo)) return -1; @@ -6040,9 +5810,8 @@ linux_process_target::async (bool enable) { bool previous = target_is_async_p (); - if (debug_threads) - debug_printf ("linux_async (%d), previous=%d\n", - enable, previous); + threads_debug_printf ("async (%d), previous=%d", + enable, previous); if (previous != enable) { @@ -7129,8 +6898,7 @@ linux_get_pc_32bit (struct regcache *regcache) uint32_t pc; collect_register_by_name (regcache, "pc", &pc); - if (debug_threads) - debug_printf ("stop pc is 0x%" PRIx32 "\n", pc); + threads_debug_printf ("stop pc is 0x%" PRIx32, pc); return pc; } @@ -7154,8 +6922,7 @@ linux_get_pc_64bit (struct regcache *regcache) uint64_t pc; collect_register_by_name (regcache, "pc", &pc); - if (debug_threads) - debug_printf ("stop pc is 0x%" PRIx64 "\n", pc); + threads_debug_printf ("stop pc is 0x%" PRIx64, pc); return pc; } diff --git a/gdbserver/linux-s390-low.cc b/gdbserver/linux-s390-low.cc index c1a8c18..5adc280 100644 --- a/gdbserver/linux-s390-low.cc +++ b/gdbserver/linux-s390-low.cc @@ -1503,9 +1503,8 @@ add_insns (const unsigned char *start, int len) { CORE_ADDR buildaddr = current_insn_ptr; - if (debug_threads) - debug_printf ("Adding %d bytes of insn at %s\n", - len, paddress (buildaddr)); + threads_debug_printf ("Adding %d bytes of insn at %s", + len, paddress (buildaddr)); append_insns (&buildaddr, len, start); current_insn_ptr = buildaddr; diff --git a/gdbserver/linux-x86-low.cc b/gdbserver/linux-x86-low.cc index 171f21c..d2b55f6 100644 --- a/gdbserver/linux-x86-low.cc +++ b/gdbserver/linux-x86-low.cc @@ -1628,9 +1628,8 @@ add_insns (unsigned char *start, int len) { CORE_ADDR buildaddr = current_insn_ptr; - if (debug_threads) - debug_printf ("Adding %d bytes of insn at %s\n", - len, paddress (buildaddr)); + threads_debug_printf ("Adding %d bytes of insn at %s", + len, paddress (buildaddr)); append_insns (&buildaddr, len, start); current_insn_ptr = buildaddr; diff --git a/gdbserver/mem-break.cc b/gdbserver/mem-break.cc index 87d025c..5f5cdb1 100644 --- a/gdbserver/mem-break.cc +++ b/gdbserver/mem-break.cc @@ -371,10 +371,9 @@ insert_memory_breakpoint (struct raw_breakpoint *bp) err = read_inferior_memory (bp->pc, buf, bp_size (bp)); if (err != 0) { - if (debug_threads) - debug_printf ("Failed to read shadow memory of" - " breakpoint at 0x%s (%s).\n", - paddress (bp->pc), safe_strerror (err)); + threads_debug_printf ("Failed to read shadow memory of" + " breakpoint at 0x%s (%s).", + paddress (bp->pc), safe_strerror (err)); } else { @@ -383,11 +382,8 @@ insert_memory_breakpoint (struct raw_breakpoint *bp) err = the_target->write_memory (bp->pc, bp_opcode (bp), bp_size (bp)); if (err != 0) - { - if (debug_threads) - debug_printf ("Failed to insert breakpoint at 0x%s (%s).\n", - paddress (bp->pc), safe_strerror (err)); - } + threads_debug_printf ("Failed to insert breakpoint at 0x%s (%s).", + paddress (bp->pc), safe_strerror (err)); } return err != 0 ? -1 : 0; } @@ -411,12 +407,10 @@ remove_memory_breakpoint (struct raw_breakpoint *bp) memcpy (buf, bp->old_data, bp_size (bp)); err = target_write_memory (bp->pc, buf, bp_size (bp)); if (err != 0) - { - if (debug_threads) - debug_printf ("Failed to uninsert raw breakpoint " - "at 0x%s (%s) while deleting it.\n", - paddress (bp->pc), safe_strerror (err)); - } + threads_debug_printf ("Failed to uninsert raw breakpoint " + "at 0x%s (%s) while deleting it.", + paddress (bp->pc), safe_strerror (err)); + return err != 0 ? -1 : 0; } @@ -438,9 +432,9 @@ set_raw_breakpoint_at (enum raw_bkpt_type type, CORE_ADDR where, int kind, { /* A different kind than previously seen. The previous breakpoint must be gone then. */ - if (debug_threads) - debug_printf ("Inconsistent breakpoint kind? Was %d, now %d.\n", - bp->kind, kind); + threads_debug_printf + ("Inconsistent breakpoint kind? Was %d, now %d.", + bp->kind, kind); bp->inserted = -1; bp = NULL; } @@ -463,9 +457,8 @@ set_raw_breakpoint_at (enum raw_bkpt_type type, CORE_ADDR where, int kind, *err = the_target->insert_point (bp->raw_type, bp->pc, bp->kind, bp); if (*err != 0) { - if (debug_threads) - debug_printf ("Failed to insert breakpoint at 0x%s (%d).\n", - paddress (where), *err); + threads_debug_printf ("Failed to insert breakpoint at 0x%s (%d).", + paddress (where), *err); return NULL; } @@ -594,10 +587,10 @@ delete_fast_tracepoint_jump (struct fast_tracepoint_jump *todel) /* Something went wrong, relink the jump. */ *bp_link = prev_bp_link; - if (debug_threads) - debug_printf ("Failed to uninsert fast tracepoint jump " - "at 0x%s (%s) while deleting it.\n", - paddress (bp->pc), safe_strerror (ret)); + threads_debug_printf + ("Failed to uninsert fast tracepoint jump " + "at 0x%s (%s) while deleting it.", + paddress (bp->pc), safe_strerror (ret)); return ret; } @@ -657,10 +650,9 @@ set_fast_tracepoint_jump (CORE_ADDR where, err = read_inferior_memory (where, buf, length); if (err != 0) { - if (debug_threads) - debug_printf ("Failed to read shadow memory of" - " fast tracepoint at 0x%s (%s).\n", - paddress (where), safe_strerror (err)); + threads_debug_printf ("Failed to read shadow memory of" + " fast tracepoint at 0x%s (%s).", + paddress (where), safe_strerror (err)); free (jp); return NULL; } @@ -682,9 +674,9 @@ set_fast_tracepoint_jump (CORE_ADDR where, err = target_write_memory (where, buf, length); if (err != 0) { - if (debug_threads) - debug_printf ("Failed to insert fast tracepoint jump at 0x%s (%s).\n", - paddress (where), safe_strerror (err)); + threads_debug_printf + ("Failed to insert fast tracepoint jump at 0x%s (%s).", + paddress (where), safe_strerror (err)); /* Unlink it. */ proc->fast_tracepoint_jumps = jp->next; @@ -707,10 +699,9 @@ uninsert_fast_tracepoint_jumps_at (CORE_ADDR pc) { /* This can happen when we remove all breakpoints while handling a step-over. */ - if (debug_threads) - debug_printf ("Could not find fast tracepoint jump at 0x%s " - "in list (uninserting).\n", - paddress (pc)); + threads_debug_printf ("Could not find fast tracepoint jump at 0x%s " + "in list (uninserting).", + paddress (pc)); return; } @@ -736,10 +727,9 @@ uninsert_fast_tracepoint_jumps_at (CORE_ADDR pc) { jp->inserted = 1; - if (debug_threads) - debug_printf ("Failed to uninsert fast tracepoint jump at" - " 0x%s (%s).\n", - paddress (pc), safe_strerror (err)); + threads_debug_printf ("Failed to uninsert fast tracepoint jump at" + " 0x%s (%s).", + paddress (pc), safe_strerror (err)); } } } @@ -756,10 +746,9 @@ reinsert_fast_tracepoint_jumps_at (CORE_ADDR where) { /* This can happen when we remove breakpoints when a tracepoint hit causes a tracing stop, while handling a step-over. */ - if (debug_threads) - debug_printf ("Could not find fast tracepoint jump at 0x%s " - "in list (reinserting).\n", - paddress (where)); + threads_debug_printf ("Could not find fast tracepoint jump at 0x%s " + "in list (reinserting).", + paddress (where)); return; } @@ -783,10 +772,9 @@ reinsert_fast_tracepoint_jumps_at (CORE_ADDR where) { jp->inserted = 0; - if (debug_threads) - debug_printf ("Failed to reinsert fast tracepoint jump at" - " 0x%s (%s).\n", - paddress (where), safe_strerror (err)); + threads_debug_printf ("Failed to reinsert fast tracepoint jump at" + " 0x%s (%s).", + paddress (where), safe_strerror (err)); } } @@ -897,10 +885,9 @@ delete_raw_breakpoint (struct process_info *proc, struct raw_breakpoint *todel) /* Something went wrong, relink the breakpoint. */ *bp_link = prev_bp_link; - if (debug_threads) - debug_printf ("Failed to uninsert raw breakpoint " - "at 0x%s while deleting it.\n", - paddress (bp->pc)); + threads_debug_printf ("Failed to uninsert raw breakpoint " + "at 0x%s while deleting it.", + paddress (bp->pc)); return ret; } } @@ -1404,10 +1391,9 @@ gdb_no_commands_at_breakpoint_z_type (char z_type, CORE_ADDR addr) if (bp == NULL) return 1; - if (debug_threads) - debug_printf ("at 0x%s, type Z%c, bp command_list is 0x%s\n", - paddress (addr), z_type, - phex_nz ((uintptr_t) bp->command_list, 0)); + threads_debug_printf ("at 0x%s, type Z%c, bp command_list is 0x%s", + paddress (addr), z_type, + phex_nz ((uintptr_t) bp->command_list, 0)); return (bp->command_list == NULL); } @@ -1521,9 +1507,8 @@ uninsert_raw_breakpoint (struct raw_breakpoint *bp) { if (bp->inserted < 0) { - if (debug_threads) - debug_printf ("Breakpoint at %s is marked insert-disabled.\n", - paddress (bp->pc)); + threads_debug_printf ("Breakpoint at %s is marked insert-disabled.", + paddress (bp->pc)); } else if (bp->inserted > 0) { @@ -1536,9 +1521,8 @@ uninsert_raw_breakpoint (struct raw_breakpoint *bp) { bp->inserted = 1; - if (debug_threads) - debug_printf ("Failed to uninsert raw breakpoint at 0x%s.\n", - paddress (bp->pc)); + threads_debug_printf ("Failed to uninsert raw breakpoint at 0x%s.", + paddress (bp->pc)); } } } @@ -1565,10 +1549,9 @@ uninsert_breakpoints_at (CORE_ADDR pc) { /* This can happen when we remove all breakpoints while handling a step-over. */ - if (debug_threads) - debug_printf ("Could not find breakpoint at 0x%s " - "in list (uninserting).\n", - paddress (pc)); + threads_debug_printf ("Could not find breakpoint at 0x%s " + "in list (uninserting).", + paddress (pc)); } } @@ -1622,9 +1605,9 @@ reinsert_raw_breakpoint (struct raw_breakpoint *bp) err = the_target->insert_point (bp->raw_type, bp->pc, bp->kind, bp); if (err == 0) bp->inserted = 1; - else if (debug_threads) - debug_printf ("Failed to reinsert breakpoint at 0x%s (%d).\n", - paddress (bp->pc), err); + else + threads_debug_printf ("Failed to reinsert breakpoint at 0x%s (%d).", + paddress (bp->pc), err); } void @@ -1648,10 +1631,9 @@ reinsert_breakpoints_at (CORE_ADDR pc) { /* This can happen when we remove all breakpoints while handling a step-over. */ - if (debug_threads) - debug_printf ("Could not find raw breakpoint at 0x%s " - "in list (reinserting).\n", - paddress (pc)); + threads_debug_printf ("Could not find raw breakpoint at 0x%s " + "in list (reinserting).", + paddress (pc)); } } diff --git a/gdbserver/remote-utils.cc b/gdbserver/remote-utils.cc index 0faf5a9..8cd8f52 100644 --- a/gdbserver/remote-utils.cc +++ b/gdbserver/remote-utils.cc @@ -144,8 +144,7 @@ handle_accept_event (int err, gdb_client_data client_data) struct sockaddr_storage sockaddr; socklen_t len = sizeof (sockaddr); - if (debug_threads) - debug_printf ("handling possible accept event\n"); + threads_debug_printf ("handling possible accept event"); remote_desc = accept (listen_desc, (struct sockaddr *) &sockaddr, &len); if (remote_desc == -1) @@ -1084,9 +1083,8 @@ void prepare_resume_reply (char *buf, ptid_t ptid, const target_waitstatus &status) { client_state &cs = get_client_state (); - if (debug_threads) - debug_printf ("Writing resume reply for %s:%d\n", - target_pid_to_str (ptid).c_str (), status.kind ()); + threads_debug_printf ("Writing resume reply for %s:%d", + target_pid_to_str (ptid).c_str (), status.kind ()); switch (status.kind ()) { diff --git a/gdbserver/server.cc b/gdbserver/server.cc index 021c7ad..02b09e5 100644 --- a/gdbserver/server.cc +++ b/gdbserver/server.cc @@ -1228,8 +1228,7 @@ handle_detach (char *own_buf) pass signals down without informing GDB. */ if (!non_stop) { - if (debug_threads) - debug_printf ("Forcing non-stop mode\n"); + threads_debug_printf ("Forcing non-stop mode"); non_stop = true; the_target->start_non_stop (true); @@ -3336,10 +3335,10 @@ queue_stop_reply_callback (thread_info *thread) { if (target_thread_stopped (thread)) { - if (debug_threads) - debug_printf ("Reporting thread %s as already stopped with %s\n", - target_pid_to_str (thread->id).c_str (), - thread->last_status.to_string ().c_str ()); + threads_debug_printf + ("Reporting thread %s as already stopped with %s", + target_pid_to_str (thread->id).c_str (), + thread->last_status.to_string ().c_str ()); gdb_assert (thread->last_status.kind () != TARGET_WAITKIND_IGNORE); @@ -4183,16 +4182,14 @@ process_point_options (struct gdb_breakpoint *bp, const char **packet) if (*dataptr == 'X') { /* Conditional expression. */ - if (debug_threads) - debug_printf ("Found breakpoint condition.\n"); + threads_debug_printf ("Found breakpoint condition."); if (!add_breakpoint_condition (bp, &dataptr)) dataptr = strchrnul (dataptr, ';'); } else if (startswith (dataptr, "cmds:")) { dataptr += strlen ("cmds:"); - if (debug_threads) - debug_printf ("Found breakpoint commands %s.\n", dataptr); + threads_debug_printf ("Found breakpoint commands %s.", dataptr); persist = (*dataptr == '1'); dataptr += 2; if (add_breakpoint_commands (bp, &dataptr, persist)) @@ -4576,8 +4573,7 @@ process_serial_event (void) void handle_serial_event (int err, gdb_client_data client_data) { - if (debug_threads) - debug_printf ("handling possible serial event\n"); + threads_debug_printf ("handling possible serial event"); /* Really handle it. */ if (process_serial_event () < 0) @@ -4610,8 +4606,7 @@ void handle_target_event (int err, gdb_client_data client_data) { client_state &cs = get_client_state (); - if (debug_threads) - debug_printf ("handling possible target event\n"); + threads_debug_printf ("handling possible target event"); cs.last_ptid = mywait (minus_one_ptid, &cs.last_status, TARGET_WNOHANG, 1); @@ -4663,11 +4658,10 @@ handle_target_event (int err, gdb_client_data client_data) inferior, as if it wasn't being traced. */ enum gdb_signal signal; - if (debug_threads) - debug_printf ("GDB not connected; forwarding event %d for" - " [%s]\n", - (int) cs.last_status.kind (), - target_pid_to_str (cs.last_ptid).c_str ()); + threads_debug_printf ("GDB not connected; forwarding event %d for" + " [%s]", + (int) cs.last_status.kind (), + target_pid_to_str (cs.last_ptid).c_str ()); if (cs.last_status.kind () == TARGET_WAITKIND_STOPPED) signal = cs.last_status.sig (); diff --git a/gdbserver/thread-db.cc b/gdbserver/thread-db.cc index 62ce23c..6e0e222 100644 --- a/gdbserver/thread-db.cc +++ b/gdbserver/thread-db.cc @@ -184,9 +184,8 @@ find_one_thread (ptid_t ptid) error ("Cannot get thread info for LWP %d: %s", lwpid, thread_db_err_str (err)); - if (debug_threads) - debug_printf ("Found thread %ld (LWP %d)\n", - (unsigned long) ti.ti_tid, ti.ti_lid); + threads_debug_printf ("Found thread %ld (LWP %d)", + (unsigned long) ti.ti_tid, ti.ti_lid); if (lwpid != ti.ti_lid) { @@ -218,9 +217,8 @@ attach_thread (const td_thrhandle_t *th_p, td_thrinfo_t *ti_p) struct lwp_info *lwp; int err; - if (debug_threads) - debug_printf ("Attaching to thread %ld (LWP %d)\n", - (unsigned long) ti_p->ti_tid, ti_p->ti_lid); + threads_debug_printf ("Attaching to thread %ld (LWP %d)", + (unsigned long) ti_p->ti_tid, ti_p->ti_lid); err = the_linux_target->attach_lwp (ptid); if (err != 0) { @@ -283,10 +281,9 @@ find_new_threads_callback (const td_thrhandle_t *th_p, void *data) thread that previously exited and was joined. (glibc marks terminated and joined threads with kernel thread ID -1. See glibc PR17707. */ - if (debug_threads) - debug_printf ("thread_db: skipping exited and " - "joined thread (0x%lx)\n", - (unsigned long) ti.ti_tid); + threads_debug_printf ("thread_db: skipping exited and " + "joined thread (0x%lx)", + (unsigned long) ti.ti_tid); return 0; } @@ -333,9 +330,8 @@ thread_db_find_new_threads (void) TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY, TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS); - if (debug_threads) - debug_printf ("Found %d threads in iteration %d.\n", - new_thread_count, iteration); + threads_debug_printf ("Found %d threads in iteration %d.", + new_thread_count, iteration); if (new_thread_count != 0) { @@ -492,8 +488,7 @@ thread_db_load_search (void) err = tdb->td_ta_new_p (&tdb->proc_handle, &tdb->thread_agent); if (err != TD_OK) { - if (debug_threads) - debug_printf ("td_ta_new(): %s\n", thread_db_err_str (err)); + threads_debug_printf ("td_ta_new(): %s", thread_db_err_str (err)); free (tdb); proc->priv->thread_db = NULL; return 0; @@ -535,8 +530,7 @@ try_thread_db_load_1 (void *handle) { \ if ((a) == NULL) \ { \ - if (debug_threads) \ - debug_printf ("dlsym: %s\n", dlerror ()); \ + threads_debug_printf ("dlsym: %s", dlerror ()); \ if (required) \ { \ free (tdb); \ @@ -556,8 +550,7 @@ try_thread_db_load_1 (void *handle) err = tdb->td_ta_new_p (&tdb->proc_handle, &tdb->thread_agent); if (err != TD_OK) { - if (debug_threads) - debug_printf ("td_ta_new(): %s\n", thread_db_err_str (err)); + threads_debug_printf ("td_ta_new(): %s", thread_db_err_str (err)); free (tdb); proc->priv->thread_db = NULL; return 0; @@ -601,14 +594,12 @@ try_thread_db_load (const char *library) { void *handle; - if (debug_threads) - debug_printf ("Trying host libthread_db library: %s.\n", - library); + threads_debug_printf ("Trying host libthread_db library: %s.", + library); handle = dlopen (library, RTLD_NOW); if (handle == NULL) { - if (debug_threads) - debug_printf ("dlopen failed: %s.\n", dlerror ()); + threads_debug_printf ("dlopen failed: %s.", dlerror ()); return 0; } @@ -623,7 +614,7 @@ try_thread_db_load (const char *library) const char *const libpath = dladdr_to_soname (td_init); if (libpath != NULL) - debug_printf ("Host %s resolved to: %s.\n", library, libpath); + threads_debug_printf ("Host %s resolved to: %s.", library, libpath); } } #endif @@ -722,8 +713,7 @@ thread_db_load_search (void) } } - if (debug_threads) - debug_printf ("thread_db_load_search returning %d\n", rc); + threads_debug_printf ("thread_db_load_search returning %d", rc); return rc; } diff --git a/gdbserver/tracepoint.cc b/gdbserver/tracepoint.cc index 0136f6e..5459dc3 100644 --- a/gdbserver/tracepoint.cc +++ b/gdbserver/tracepoint.cc @@ -87,11 +87,7 @@ trace_vdebug (const char *fmt, ...) #define trace_debug(fmt, args...) \ do { \ - if (debug_threads) \ - { \ - debug_printf ((fmt), ##args); \ - debug_printf ("\n"); \ - } \ + threads_debug_printf ((fmt), ##args); \ } while (0) #endif @@ -324,8 +320,7 @@ tracepoint_look_up_symbols (void) if (look_up_one_symbol (symbol_list[i].name, addrp, 1) == 0) { - if (debug_threads) - debug_printf ("symbol `%s' not found\n", symbol_list[i].name); + threads_debug_printf ("symbol `%s' not found", symbol_list[i].name); return; } } @@ -4519,15 +4514,14 @@ handle_tracepoint_bkpts (struct thread_info *tinfo, CORE_ADDR stop_pc) ipa_expr_eval_result, paddress (ipa_error_tracepoint)); - if (debug_threads) - { - if (ipa_trace_buffer_is_full) - trace_debug ("lib stopped due to full buffer."); - if (ipa_stopping_tracepoint) - trace_debug ("lib stopped due to tpoint"); - if (ipa_error_tracepoint) - trace_debug ("lib stopped due to error"); - } + if (ipa_trace_buffer_is_full) + trace_debug ("lib stopped due to full buffer."); + + if (ipa_stopping_tracepoint) + trace_debug ("lib stopped due to tpoint"); + + if (ipa_error_tracepoint) + trace_debug ("lib stopped due to error"); if (ipa_stopping_tracepoint != 0) { |