forked from Imagelibrary/binutils-gdb
1d506c26d9
This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 1996-2024 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <signal.h>
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#include <setjmp.h>
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#include <stdlib.h>
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#include <string.h>
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enum tests {
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code_entry_point, code_descriptor, data_read, data_write
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};
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static volatile enum tests test;
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/* Some basic types and zero buffers. */
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typedef long data_t;
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typedef long code_t (void);
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data_t *volatile data;
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code_t *volatile code;
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/* "desc" is intentionally initialized to a data object. This is
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needed to test function descriptors on arches like ia64. */
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data_t zero[10];
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code_t *volatile desc = (code_t *) (void *) zero;
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sigjmp_buf env;
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extern void
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keeper (int sig)
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{
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siglongjmp (env, 0);
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}
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extern long
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bowler (void)
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{
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switch (test)
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{
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case data_read:
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/* Try to read address zero. */
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return (*data);
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case data_write:
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/* Try to write (the assignment) to address zero. */
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return (*data) = 1;
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case code_entry_point:
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/* For typical architectures, call a function at address
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zero. */
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return (*code) ();
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case code_descriptor:
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/* For atypical architectures that use function descriptors,
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call a function descriptor, the code field of which is zero
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(which has the effect of jumping to address zero). */
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return (*desc) ();
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}
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}
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int
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main ()
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{
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static volatile int i;
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struct sigaction act;
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memset (&act, 0, sizeof act);
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act.sa_handler = keeper;
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sigaction (SIGSEGV, &act, NULL);
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sigaction (SIGBUS, &act, NULL);
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for (i = 0; i < 10; i++)
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{
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sigsetjmp (env, 1);
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bowler ();
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}
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}
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