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-rw-r--r--stdlib/tst-makecontext.c110
1 files changed, 0 insertions, 110 deletions
diff --git a/stdlib/tst-makecontext.c b/stdlib/tst-makecontext.c
deleted file mode 100644
index d7ffad5f64..0000000000
--- a/stdlib/tst-makecontext.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/* Copyright (C) 2006-2017 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 <stdlib.h>
-#include <stdio.h>
-#include <ucontext.h>
-#include <assert.h>
-#include <unwind.h>
-#include <dlfcn.h>
-#include <gnu/lib-names.h>
-
-ucontext_t ucp;
-char st1[16384];
-__thread int thr;
-
-int somevar = -76;
-long othervar = -78L;
-
-struct trace_arg
-{
- int cnt, size;
-};
-
-static _Unwind_Reason_Code
-backtrace_helper (struct _Unwind_Context *ctx, void *a)
-{
- struct trace_arg *arg = a;
- if (++arg->cnt == arg->size)
- return _URC_END_OF_STACK;
- return _URC_NO_REASON;
-}
-
-void
-cf (int i)
-{
- struct trace_arg arg = { .size = 100, .cnt = -1 };
- void *handle;
- _Unwind_Reason_Code (*unwind_backtrace) (_Unwind_Trace_Fn, void *);
-
- if (i != othervar || thr != 94)
- {
- printf ("i %d thr %d\n", i, thr);
- exit (1);
- }
-
- /* Test if callback function of _Unwind_Backtrace is not called infinitely
- times. See Bug 18508 or gcc bug "Bug 66303 - runtime.Caller() returns
- infinitely deep stack frames on s390x.".
- The go runtime calls backtrace_full() in
- <gcc-src>/libbacktrace/backtrace.c, which uses _Unwind_Backtrace(). */
- handle = dlopen (LIBGCC_S_SO, RTLD_LAZY);
- if (handle != NULL)
- {
- unwind_backtrace = dlsym (handle, "_Unwind_Backtrace");
- if (unwind_backtrace != NULL)
- {
- unwind_backtrace (backtrace_helper, &arg);
- assert (arg.cnt != -1 && arg.cnt < 100);
- }
- dlclose (handle);
- }
-
- /* Since uc_link below has been set to NULL, setcontext is supposed to
- terminate the process normally after this function returns. */
-}
-
-int
-do_test (void)
-{
- if (getcontext (&ucp) != 0)
- {
- if (errno == ENOSYS)
- {
- puts ("context handling not supported");
- return 0;
- }
-
- puts ("getcontext failed");
- return 1;
- }
- thr = 94;
- ucp.uc_link = NULL;
- ucp.uc_stack.ss_sp = st1;
- ucp.uc_stack.ss_size = sizeof st1;
- makecontext (&ucp, (void (*) (void)) cf, 1, somevar - 2);
- if (setcontext (&ucp) != 0)
- {
- puts ("setcontext failed");
- return 1;
- }
- return 2;
-}
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"