c162e8c9a4
Joseph Myers <joseph@codesourcery.com> * configure.ac: Check for *-*-solaris2.1[[0-9]]* instead of *-*-solaris2.1[[0-9]]. * configure: Regenerate. * procfs.c (proc_set_current_signal): If redelivering a signal, reuse the current siginfo if possible. testsuite: * gdb.base/siginfo-addr.exp, gdb.base/siginfo-addr.c: New.
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2004, 2007 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/>.
|
|
|
|
*/
|
|
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/mman.h>
|
|
#include <unistd.h>
|
|
|
|
static void *p;
|
|
|
|
static void
|
|
handler (int sig, siginfo_t *info, void *context)
|
|
{
|
|
if (info->si_addr == p)
|
|
printf ("Correct si_addr value.\n");
|
|
else
|
|
printf ("Got si_addr = %p, expected %p.\n", info->si_addr, p);
|
|
_exit (0);
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
/* Set up unwritable memory. */
|
|
{
|
|
size_t len;
|
|
len = sysconf(_SC_PAGESIZE);
|
|
p = mmap (0, len, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0);
|
|
if (p == MAP_FAILED)
|
|
{
|
|
perror ("mmap");
|
|
return 1;
|
|
}
|
|
}
|
|
/* Set up the signal handler. */
|
|
{
|
|
struct sigaction action;
|
|
memset (&action, 0, sizeof (action));
|
|
action.sa_sigaction = handler;
|
|
action.sa_flags |= SA_SIGINFO;
|
|
if (sigaction (SIGSEGV, &action, NULL))
|
|
{
|
|
perror ("sigaction");
|
|
return 1;
|
|
}
|
|
}
|
|
/* Trigger SIGSEGV. */
|
|
*(int *)p = 0;
|
|
return 0;
|
|
}
|