gdb/
2012-06-06 Pedro Alves <palves@redhat.com> * infrun.c (struct execution_control_state): Remove `new_thread_event' field. (handle_inferior_event): Simplify new threads handling; don't resume the inferior if we find a new thread. gdb/testsuite/ 2012-06-06 Pedro Alves <palves@redhat.com> * gdb.threads/clone-new-thread-event.c: New file. * gdb.threads/clone-new-thread-event.exp: New file.
This commit is contained in:
parent
2d4c29c5e6
commit
359f5fe60e
|
@ -1,3 +1,10 @@
|
||||||
|
2012-06-06 Pedro Alves <palves@redhat.com>
|
||||||
|
|
||||||
|
* infrun.c (struct execution_control_state): Remove
|
||||||
|
`new_thread_event' field.
|
||||||
|
(handle_inferior_event): Simplify new threads handling; don't
|
||||||
|
resume the inferior if we find a new thread.
|
||||||
|
|
||||||
2012-06-06 Thomas Schwinge <thomas@codesourcery.com>
|
2012-06-06 Thomas Schwinge <thomas@codesourcery.com>
|
||||||
|
|
||||||
* NEWS: Document the deprecation of SH's 'regs' command.
|
* NEWS: Document the deprecation of SH's 'regs' command.
|
||||||
|
|
41
gdb/infrun.c
41
gdb/infrun.c
|
@ -2393,7 +2393,6 @@ struct execution_control_state
|
||||||
CORE_ADDR stop_func_start;
|
CORE_ADDR stop_func_start;
|
||||||
CORE_ADDR stop_func_end;
|
CORE_ADDR stop_func_end;
|
||||||
const char *stop_func_name;
|
const char *stop_func_name;
|
||||||
int new_thread_event;
|
|
||||||
int wait_some_more;
|
int wait_some_more;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
@ -3229,17 +3228,15 @@ handle_inferior_event (struct execution_control_state *ecs)
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* If it's a new process, add it to the thread database. */
|
|
||||||
|
|
||||||
ecs->new_thread_event = (!ptid_equal (ecs->ptid, inferior_ptid)
|
|
||||||
&& !ptid_equal (ecs->ptid, minus_one_ptid)
|
|
||||||
&& !in_thread_list (ecs->ptid));
|
|
||||||
|
|
||||||
if (ecs->ws.kind != TARGET_WAITKIND_EXITED
|
if (ecs->ws.kind != TARGET_WAITKIND_EXITED
|
||||||
&& ecs->ws.kind != TARGET_WAITKIND_SIGNALLED && ecs->new_thread_event)
|
&& ecs->ws.kind != TARGET_WAITKIND_SIGNALLED
|
||||||
add_thread (ecs->ptid);
|
&& !ptid_equal (ecs->ptid, minus_one_ptid))
|
||||||
|
{
|
||||||
ecs->event_thread = find_thread_ptid (ecs->ptid);
|
ecs->event_thread = find_thread_ptid (ecs->ptid);
|
||||||
|
/* If it's a new thread, add it to the thread database. */
|
||||||
|
if (ecs->event_thread == NULL)
|
||||||
|
ecs->event_thread = add_thread (ecs->ptid);
|
||||||
|
}
|
||||||
|
|
||||||
/* Dependent on valid ECS->EVENT_THREAD. */
|
/* Dependent on valid ECS->EVENT_THREAD. */
|
||||||
adjust_pc_after_break (ecs);
|
adjust_pc_after_break (ecs);
|
||||||
|
@ -3713,30 +3710,6 @@ handle_inferior_event (struct execution_control_state *ecs)
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (ecs->new_thread_event)
|
|
||||||
{
|
|
||||||
if (non_stop)
|
|
||||||
/* Non-stop assumes that the target handles adding new threads
|
|
||||||
to the thread list. */
|
|
||||||
internal_error (__FILE__, __LINE__,
|
|
||||||
"targets should add new threads to the thread "
|
|
||||||
"list themselves in non-stop mode.");
|
|
||||||
|
|
||||||
/* We may want to consider not doing a resume here in order to
|
|
||||||
give the user a chance to play with the new thread. It might
|
|
||||||
be good to make that a user-settable option. */
|
|
||||||
|
|
||||||
/* At this point, all threads are stopped (happens automatically
|
|
||||||
in either the OS or the native code). Therefore we need to
|
|
||||||
continue all threads in order to make progress. */
|
|
||||||
|
|
||||||
if (!ptid_equal (ecs->ptid, inferior_ptid))
|
|
||||||
context_switch (ecs->ptid);
|
|
||||||
target_resume (RESUME_ALL, 0, GDB_SIGNAL_0);
|
|
||||||
prepare_to_wait (ecs);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (ecs->ws.kind == TARGET_WAITKIND_STOPPED)
|
if (ecs->ws.kind == TARGET_WAITKIND_STOPPED)
|
||||||
{
|
{
|
||||||
/* Do we need to clean up the state of a thread that has
|
/* Do we need to clean up the state of a thread that has
|
||||||
|
|
|
@ -1,3 +1,8 @@
|
||||||
|
2012-06-06 Pedro Alves <palves@redhat.com>
|
||||||
|
|
||||||
|
* gdb.threads/clone-new-thread-event.c: New file.
|
||||||
|
* gdb.threads/clone-new-thread-event.exp: New file.
|
||||||
|
|
||||||
2012-06-06 Yao Qi <yao@codesourcery.com>
|
2012-06-06 Yao Qi <yao@codesourcery.com>
|
||||||
|
|
||||||
* gdb.base/dprintf.c (main): Add extra parameter when calling
|
* gdb.base/dprintf.c (main): Add extra parameter when calling
|
||||||
|
|
|
@ -0,0 +1,75 @@
|
||||||
|
/* This testcase is part of GDB, the GNU debugger.
|
||||||
|
|
||||||
|
Copyright 2009-2012 Free Software Foundation, Inc.
|
||||||
|
|
||||||
|
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/>.
|
||||||
|
|
||||||
|
Test that GDB doesn't lose an event for a thread it didn't know
|
||||||
|
about, until an event is reported for it. */
|
||||||
|
|
||||||
|
#define _GNU_SOURCE
|
||||||
|
#include <sched.h>
|
||||||
|
#include <assert.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <signal.h>
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <sys/syscall.h>
|
||||||
|
|
||||||
|
#include <features.h>
|
||||||
|
#ifdef __UCLIBC__
|
||||||
|
#if !(defined(__UCLIBC_HAS_MMU__) || defined(__ARCH_HAS_MMU__))
|
||||||
|
#define HAS_NOMMU
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define STACK_SIZE 0x1000
|
||||||
|
|
||||||
|
static int
|
||||||
|
tkill (int lwpid, int signo)
|
||||||
|
{
|
||||||
|
return syscall (__NR_tkill, lwpid, signo);
|
||||||
|
}
|
||||||
|
|
||||||
|
static pid_t
|
||||||
|
gettid (void)
|
||||||
|
{
|
||||||
|
return syscall (__NR_gettid);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
fn (void *unused)
|
||||||
|
{
|
||||||
|
tkill (gettid (), SIGUSR1);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
main (int argc, char **argv)
|
||||||
|
{
|
||||||
|
unsigned char *stack;
|
||||||
|
int new_pid;
|
||||||
|
|
||||||
|
stack = malloc (STACK_SIZE);
|
||||||
|
assert (stack != NULL);
|
||||||
|
|
||||||
|
new_pid = clone (fn, stack + STACK_SIZE, CLONE_FILES
|
||||||
|
#if defined(__UCLIBC__) && defined(HAS_NOMMU)
|
||||||
|
| CLONE_VM
|
||||||
|
#endif /* defined(__UCLIBC__) && defined(HAS_NOMMU) */
|
||||||
|
, NULL, NULL, NULL, NULL);
|
||||||
|
assert (new_pid > 0);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
|
@ -0,0 +1,34 @@
|
||||||
|
# This testcase is part of GDB, the GNU debugger.
|
||||||
|
|
||||||
|
# Copyright 2012 Free Software Foundation, Inc.
|
||||||
|
|
||||||
|
# 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/>.
|
||||||
|
|
||||||
|
# This only works on targets with the Linux kernel.
|
||||||
|
if ![istarget *-*-linux*] then {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
if { [prepare_for_testing clone-new-thread-event.exp clone-new-thread-event] } {
|
||||||
|
return -1
|
||||||
|
}
|
||||||
|
|
||||||
|
if { ![runto_main] } {
|
||||||
|
untested "could not run to main"
|
||||||
|
return -1
|
||||||
|
}
|
||||||
|
|
||||||
|
gdb_test "continue" \
|
||||||
|
"Program received signal SIGUSR1, User defined signal 1.*" \
|
||||||
|
"catch SIGUSR1"
|
Loading…
Reference in New Issue