1 | /* Copyright (C) 2004-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <sched.h> |
19 | #include <stdbool.h> |
20 | #include <stdint.h> |
21 | #include <stdio.h> |
22 | #include <string.h> |
23 | #include <sys/wait.h> |
24 | #include <unistd.h> |
25 | #include <tst-stack-align.h> |
26 | #include <stackinfo.h> |
27 | |
28 | static int |
29 | f (void *arg) |
30 | { |
31 | bool ok = true; |
32 | |
33 | puts (s: "in f" ); |
34 | |
35 | if (TEST_STACK_ALIGN ()) |
36 | ok = false; |
37 | |
38 | return ok ? 0 : 1; |
39 | } |
40 | |
41 | static int |
42 | do_test (void) |
43 | { |
44 | bool ok = true; |
45 | |
46 | puts (s: "in main" ); |
47 | |
48 | if (TEST_STACK_ALIGN ()) |
49 | ok = false; |
50 | |
51 | #ifdef __ia64__ |
52 | extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base, |
53 | size_t __child_stack_size, int __flags, |
54 | void *__arg, ...); |
55 | char st[256 * 1024]; |
56 | pid_t p = __clone2 (f, st, sizeof (st), 0, 0); |
57 | #else |
58 | char st[128 * 1024] __attribute__ ((aligned)); |
59 | # if _STACK_GROWS_DOWN |
60 | pid_t p = clone (fn: f, child_stack: st + sizeof (st), flags: 0, arg: 0); |
61 | # elif _STACK_GROWS_UP |
62 | pid_t p = clone (f, st, 0, 0); |
63 | # else |
64 | # error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP" |
65 | # endif |
66 | #endif |
67 | if (p == -1) |
68 | { |
69 | printf(format: "clone failed: %m\n" ); |
70 | return 1; |
71 | } |
72 | |
73 | int e; |
74 | if (waitpid (pid: p, stat_loc: &e, __WCLONE) != p) |
75 | { |
76 | puts (s: "waitpid failed" ); |
77 | kill (pid: p, SIGKILL); |
78 | return 1; |
79 | } |
80 | if (!WIFEXITED (e)) |
81 | { |
82 | if (WIFSIGNALED (e)) |
83 | printf (format: "died from signal %s\n" , strsignal (WTERMSIG (e))); |
84 | else |
85 | puts (s: "did not terminate correctly" ); |
86 | return 1; |
87 | } |
88 | if (WEXITSTATUS (e) != 0) |
89 | ok = false; |
90 | |
91 | return ok ? 0 : 1; |
92 | } |
93 | |
94 | #define TEST_FUNCTION do_test () |
95 | #include "../test-skeleton.c" |
96 | |