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-rw-r--r--stdlib/tst-makecontext3.c220
1 files changed, 0 insertions, 220 deletions
diff --git a/stdlib/tst-makecontext3.c b/stdlib/tst-makecontext3.c
deleted file mode 100644
index ccdeb4a282..0000000000
--- a/stdlib/tst-makecontext3.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/* Copyright (C) 2001-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ucontext.h>
-#include <unistd.h>
-
-static ucontext_t ctx[3];
-
-static int was_in_f1;
-static int was_in_f2;
-
-static char st2[32768];
-
-static volatile int flag;
-
-static void
-f1 (int a00, int a01, int a02, int a03, int a04, int a05, int a06, int a07,
- int a08, int a09, int a10, int a11, int a12, int a13, int a14, int a15,
- int a16, int a17, int a18, int a19, int a20, int a21, int a22, int a23,
- int a24, int a25, int a26, int a27, int a28, int a29, int a30, int a31,
- int a32)
-{
- printf ("start f1(a00=%08x,a01=%08x,a02=%08x,a03=%08x,\n"
- " a04=%08x,a05=%08x,a06=%08x,a07=%08x,\n"
- " a08=%08x,a09=%08x,a10=%08x,a11=%08x,\n"
- " a12=%08x,a13=%08x,a14=%08x,a15=%08x,\n"
- " a16=%08x,a17=%08x,a18=%08x,a19=%08x,\n"
- " a20=%08x,a21=%08x,a22=%08x,a23=%08x,\n"
- " a24=%08x,a25=%08x,a26=%08x,a27=%08x,\n"
- " a28=%08x,a29=%08x,a30=%08x,a31=%08x,\n"
- " a32=%08x) [%d]\n",
- a00, a01, a02, a03, a04, a05, a06, a07,
- a08, a09, a10, a11, a12, a13, a14, a15,
- a16, a17, a18, a19, a20, a21, a22, a23,
- a24, a25, a26, a27, a28, a29, a30, a31,
- a32, flag);
-
- if (a00 != (0x00000001 << flag) || a01 != (0x00000004 << flag)
- || a02 != (0x00000012 << flag) || a03 != (0x00000048 << flag)
- || a04 != (0x00000123 << flag) || a05 != (0x0000048d << flag)
- || a06 != (0x00001234 << flag) || a07 != (0x000048d1 << flag)
- || a08 != (0x00012345 << flag) || a09 != (0x00048d15 << flag)
- || a10 != (0x00123456 << flag) || a11 != (0x0048d159 << flag)
- || a12 != (0x01234567 << flag) || a13 != (0x048d159e << flag)
- || a14 != (0x12345678 << flag) || a15 != (0x48d159e2 << flag)
- || a16 != (0x23456789 << flag) || a17 != (0x8d159e26 << flag)
- || a18 != (0x3456789a << flag) || a19 != (0xd159e26a << flag)
- || a20 != (0x456789ab << flag) || a21 != (0x159e26af << flag)
- || a22 != (0x56789abc << flag) || a23 != (0x59e26af3 << flag)
- || a24 != (0x6789abcd << flag) || a25 != (0x9e26af37 << flag)
- || a26 != (0x789abcde << flag) || a27 != (0xe26af37b << flag)
- || a28 != (0x89abcdef << flag) || a29 != (0x26af37bc << flag)
- || a30 != (0x9abcdef0 << flag) || a31 != (0x6af37bc3 << flag)
- || a32 != (0xabcdef0f << flag))
- {
- puts ("arg mismatch");
- exit (-1);
- }
-
- if (flag && swapcontext (&ctx[1], &ctx[2]) != 0)
- {
- printf ("%s: swapcontext: %m\n", __FUNCTION__);
- exit (1);
- }
- printf ("finish f1 [%d]\n", flag);
- flag++;
- was_in_f1++;
-}
-
-static void
-f2 (void)
-{
- puts ("start f2");
- if (swapcontext (&ctx[2], &ctx[1]) != 0)
- {
- printf ("%s: swapcontext: %m\n", __FUNCTION__);
- exit (1);
- }
- puts ("finish f2");
- was_in_f2 = 1;
-}
-
-volatile int global;
-
-
-static int back_in_main;
-
-
-static void
-check_called (void)
-{
- if (back_in_main == 0)
- {
- puts ("program did not reach main again");
- _exit (1);
- }
-}
-
-
-int
-main (void)
-{
- atexit (check_called);
-
- char st1[32768];
-
- puts ("making contexts");
- if (getcontext (&ctx[0]) != 0)
- {
- if (errno == ENOSYS)
- {
- back_in_main = 1;
- exit (0);
- }
-
- printf ("%s: getcontext: %m\n", __FUNCTION__);
- exit (1);
- }
-
- if (getcontext (&ctx[1]) != 0)
- {
- printf ("%s: getcontext: %m\n", __FUNCTION__);
- exit (1);
- }
-
- ctx[1].uc_stack.ss_sp = st1;
- ctx[1].uc_stack.ss_size = sizeof st1;
- ctx[1].uc_link = &ctx[0];
- errno = 0;
- makecontext (&ctx[1], (void (*) (void)) f1, 33,
- 0x00000001 << flag, 0x00000004 << flag,
- 0x00000012 << flag, 0x00000048 << flag,
- 0x00000123 << flag, 0x0000048d << flag,
- 0x00001234 << flag, 0x000048d1 << flag,
- 0x00012345 << flag, 0x00048d15 << flag,
- 0x00123456 << flag, 0x0048d159 << flag,
- 0x01234567 << flag, 0x048d159e << flag,
- 0x12345678 << flag, 0x48d159e2 << flag,
- 0x23456789 << flag, 0x8d159e26 << flag,
- 0x3456789a << flag, 0xd159e26a << flag,
- 0x456789ab << flag, 0x159e26af << flag,
- 0x56789abc << flag, 0x59e26af3 << flag,
- 0x6789abcd << flag, 0x9e26af37 << flag,
- 0x789abcde << flag, 0xe26af37b << flag,
- 0x89abcdef << flag, 0x26af37bc << flag,
- 0x9abcdef0 << flag, 0x6af37bc3 << flag,
- 0xabcdef0f << flag);
-
- /* Without this check, a stub makecontext can make us spin forever. */
- if (errno == ENOSYS)
- {
- puts ("makecontext not implemented");
- back_in_main = 1;
- return 0;
- }
-
- /* Play some tricks with this context. */
- if (++global == 1)
- if (setcontext (&ctx[1]) != 0)
- {
- printf ("%s: setcontext: %m\n", __FUNCTION__);
- exit (1);
- }
- if (global != 2)
- {
- printf ("%s: 'global' not incremented twice\n", __FUNCTION__);
- exit (1);
- }
-
- if (getcontext (&ctx[2]) != 0)
- {
- printf ("%s: second getcontext: %m\n", __FUNCTION__);
- exit (1);
- }
- ctx[2].uc_stack.ss_sp = st2;
- ctx[2].uc_stack.ss_size = sizeof st2;
- ctx[2].uc_link = &ctx[1];
- makecontext (&ctx[2], f2, 0);
-
- puts ("swapping contexts");
- if (swapcontext (&ctx[0], &ctx[2]) != 0)
- {
- printf ("%s: swapcontext: %m\n", __FUNCTION__);
- exit (1);
- }
- puts ("back at main program");
- back_in_main = 1;
-
- if (was_in_f1 < 2)
- {
- puts ("didn't reach f1 twice");
- exit (1);
- }
- if (was_in_f2 == 0)
- {
- puts ("didn't reach f2");
- exit (1);
- }
-
- puts ("test succeeded");
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-05 06:21:06 +0000