mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-24 10:35:12 +08:00
127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
/* Target waitstatus definitions and prototypes.
|
|
|
|
Copyright (C) 1990-2014 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef WAITSTATUS_H
|
|
#define WAITSTATUS_H
|
|
|
|
#include "common-utils.h"
|
|
#include "ptid.h"
|
|
#include "gdb_signals.h"
|
|
|
|
/* Stuff for target_wait. */
|
|
|
|
/* Generally, what has the program done? */
|
|
enum target_waitkind
|
|
{
|
|
/* The program has exited. The exit status is in value.integer. */
|
|
TARGET_WAITKIND_EXITED,
|
|
|
|
/* The program has stopped with a signal. Which signal is in
|
|
value.sig. */
|
|
TARGET_WAITKIND_STOPPED,
|
|
|
|
/* The program has terminated with a signal. Which signal is in
|
|
value.sig. */
|
|
TARGET_WAITKIND_SIGNALLED,
|
|
|
|
/* The program is letting us know that it dynamically loaded
|
|
something (e.g. it called load(2) on AIX). */
|
|
TARGET_WAITKIND_LOADED,
|
|
|
|
/* The program has forked. A "related" process' PTID is in
|
|
value.related_pid. I.e., if the child forks, value.related_pid
|
|
is the parent's ID. */
|
|
TARGET_WAITKIND_FORKED,
|
|
|
|
/* The program has vforked. A "related" process's PTID is in
|
|
value.related_pid. */
|
|
TARGET_WAITKIND_VFORKED,
|
|
|
|
/* The program has exec'ed a new executable file. The new file's
|
|
pathname is pointed to by value.execd_pathname. */
|
|
TARGET_WAITKIND_EXECD,
|
|
|
|
/* The program had previously vforked, and now the child is done
|
|
with the shared memory region, because it exec'ed or exited.
|
|
Note that the event is reported to the vfork parent. This is
|
|
only used if GDB did not stay attached to the vfork child,
|
|
otherwise, a TARGET_WAITKIND_EXECD or
|
|
TARGET_WAITKIND_EXIT|SIGNALLED event associated with the child
|
|
has the same effect. */
|
|
TARGET_WAITKIND_VFORK_DONE,
|
|
|
|
/* The program has entered or returned from a system call. On
|
|
HP-UX, this is used in the hardware watchpoint implementation.
|
|
The syscall's unique integer ID number is in
|
|
value.syscall_id. */
|
|
TARGET_WAITKIND_SYSCALL_ENTRY,
|
|
TARGET_WAITKIND_SYSCALL_RETURN,
|
|
|
|
/* Nothing happened, but we stopped anyway. This perhaps should
|
|
be handled within target_wait, but I'm not sure target_wait
|
|
should be resuming the inferior. */
|
|
TARGET_WAITKIND_SPURIOUS,
|
|
|
|
/* An event has occured, but we should wait again.
|
|
Remote_async_wait() returns this when there is an event
|
|
on the inferior, but the rest of the world is not interested in
|
|
it. The inferior has not stopped, but has just sent some output
|
|
to the console, for instance. In this case, we want to go back
|
|
to the event loop and wait there for another event from the
|
|
inferior, rather than being stuck in the remote_async_wait()
|
|
function. This way the event loop is responsive to other events,
|
|
like for instance the user typing. */
|
|
TARGET_WAITKIND_IGNORE,
|
|
|
|
/* The target has run out of history information,
|
|
and cannot run backward any further. */
|
|
TARGET_WAITKIND_NO_HISTORY,
|
|
|
|
/* There are no resumed children left in the program. */
|
|
TARGET_WAITKIND_NO_RESUMED
|
|
};
|
|
|
|
struct target_waitstatus
|
|
{
|
|
enum target_waitkind kind;
|
|
|
|
/* Additional information about the event. */
|
|
union
|
|
{
|
|
/* Exit status */
|
|
int integer;
|
|
/* Signal number */
|
|
enum gdb_signal sig;
|
|
/* Forked child pid */
|
|
ptid_t related_pid;
|
|
/* execd pathname */
|
|
char *execd_pathname;
|
|
/* Syscall number */
|
|
int syscall_number;
|
|
} value;
|
|
};
|
|
|
|
/* Prototypes */
|
|
|
|
/* Return a pretty printed form of target_waitstatus.
|
|
Space for the result is malloc'd, caller must free. */
|
|
extern char *target_waitstatus_to_string (const struct target_waitstatus *);
|
|
|
|
#endif /* WAITSTATUS_H */
|