1 | /* Tests register values retrieved by getcontext() for mips o32. |
2 | Copyright (C) 2017-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <errno.h> |
20 | #include <stdio.h> |
21 | #include <stdlib.h> |
22 | #include <string.h> |
23 | #include <ucontext.h> |
24 | |
25 | |
26 | #if !defined __mips__ || _MIPS_SIM != _ABIO32 |
27 | # error "MIPS O32 specific test." |
28 | #endif |
29 | |
30 | #define SP_REG 29 |
31 | |
32 | static int |
33 | do_test (void) |
34 | { |
35 | ucontext_t ctx; |
36 | memset (&ctx, 0, sizeof (ctx)); |
37 | int status = getcontext (ucp: &ctx); |
38 | if (status) |
39 | { |
40 | printf (format: "\ngetcontext() failed, errno: %d.\n" , errno); |
41 | return 1; |
42 | } |
43 | |
44 | if (ctx.uc_mcontext.gregs[SP_REG] == 0 |
45 | || ctx.uc_mcontext.gregs[SP_REG] > 0xffffffff) |
46 | { |
47 | printf (format: "\nError getcontext(): invalid $sp = 0x%llx.\n" , |
48 | ctx.uc_mcontext.gregs[SP_REG]); |
49 | return 1; |
50 | } |
51 | |
52 | if (ctx.uc_mcontext.pc == 0 |
53 | || ctx.uc_mcontext.pc > 0xffffffff) |
54 | { |
55 | printf (format: "\nError getcontext(): invalid ctx.uc_mcontext.pc = 0x%llx.\n" , |
56 | ctx.uc_mcontext.pc); |
57 | return 1; |
58 | } |
59 | |
60 | return 0; |
61 | } |
62 | |
63 | #include <support/test-driver.c> |
64 | |