binutils-gdb/gdb/testsuite/gdb.base/siginfo-obj.c
Mark Wielaard 37bc665e4e Remove testsuite compile errors with GCC5.
GCC5 defaults to the GNU11 standard for C and warns by default for
implicit function declarations and implicit return types.
https://gcc.gnu.org/gcc-5/porting_to.html

Fixing these issues in the testsuite turns 9 untested and 17 unsupported
testcases into 417 new passes when compiling with GCC5.

gdb/testsuite/ChangeLog:

        * gdb.arch/i386-bp_permanent.c (standard): New declaration.
        * gdb.base/disp-step-fork.c: Include unistd.h.
        * gdb.base/siginfo-obj.c: Include stdio.h.
        * gdb.base/siginfo-thread.c: Likewise.
        * gdb.mi/non-stop.c: Include unistd.h.
        * gdb.mi/nsthrexec.c: Include stdio.h.
        * gdb.mi/pthreads.c: Include unistd.h.
        * gdb.modula2/unbounded1.c (main): Declare returns int.
        * gdb.reverse/consecutive-reverse.c: Likewise.
        * gdb.threads/create-fail.c: Include unistd.h.
        * gdb.threads/killed.c: Likewise.
        * gdb.threads/linux-dp.c: Likewise.
        * gdb.threads/non-ldr-exc-1.c: Include stdio.h and string.h.
        * gdb.threads/non-ldr-exc-2.c: Likewise.
        * gdb.threads/non-ldr-exc-3.c: Likewise.
        * gdb.threads/non-ldr-exc-4.c: Likewise.
        * gdb.threads/pthreads.c: Include unistd.h.
        (main): Declare returns int.
        * gdb.threads/tls-main.c (foo): New declaration.
        * gdb.threads/watchpoint-fork-mt.c: Define _GNU_SOURCE.
2015-01-25 18:50:56 +01:00

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1.8 KiB
C

/* This testcase is part of GDB, the GNU debugger.
Copyright 2004-2015 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
static void *p;
static void
handler (int sig, siginfo_t *info, void *context)
{
/* Copy to local vars, as the test wants to read them, and si_addr,
etc. may be preprocessor defines. */
int ssi_errno = info->si_errno;
int ssi_signo = info->si_signo;
int ssi_code = info->si_code;
void *ssi_addr = info->si_addr;
_exit (0); /* set breakpoint here */
}
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;
}