8bfabb045c
* gdb.base/signull.exp, gdb.base/signull.c: New files. * gdb.base/gdb1476.c, gdb.base/gdb1476.exp: Delete files.
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 1996, 1999, 2003 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 2 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, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
|
02111-1307, USA. */
|
|
|
|
#include <signal.h>
|
|
#include <setjmp.h>
|
|
|
|
enum tests {
|
|
code_entry_point, code_descriptor, data_pointer
|
|
};
|
|
|
|
static volatile enum tests test;
|
|
|
|
/* Some basic types and zero buffers. */
|
|
|
|
typedef long data_t;
|
|
typedef long code_t (void);
|
|
static volatile data_t *data[10];
|
|
static volatile code_t *code[10];
|
|
|
|
jmp_buf env;
|
|
|
|
extern void
|
|
keeper (int sig)
|
|
{
|
|
longjmp (env, 0);
|
|
}
|
|
|
|
extern long
|
|
bowler (void)
|
|
{
|
|
switch (test)
|
|
{
|
|
case data_pointer:
|
|
return *data[0];
|
|
case code_entry_point:
|
|
return code[0] ();
|
|
case code_descriptor:
|
|
return ((code_t *) &code) ();
|
|
}
|
|
}
|
|
|
|
int
|
|
main ()
|
|
{
|
|
static volatile int i;
|
|
signal (SIGSEGV, keeper);
|
|
for (i = 0; i < 10; i++)
|
|
{
|
|
setjmp (env);
|
|
bowler ();
|
|
}
|
|
}
|