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-rw-r--r--gdb/testsuite/gdb.base/gnu-ifunc.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/gnu-ifunc.c b/gdb/testsuite/gdb.base/gnu-ifunc.c
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+++ b/gdb/testsuite/gdb.base/gnu-ifunc.c
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+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2009, 2010, 2011 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <assert.h>
+
+int
+init_stub (int arg)
+{
+ return 0;
+}
+
+int
+final (int arg)
+{
+ return arg + 1;
+}
+
+/* Make differentiation of how the gnu_ifunc call resolves before and after
+ calling gnu_ifunc_pre. This ensures the resolved function address is not
+ being cached anywhere for the debugging purposes. */
+
+volatile int gnu_ifunc_initialized;
+
+static void
+gnu_ifunc_pre (void)
+{
+ assert (!gnu_ifunc_initialized);
+
+ gnu_ifunc_initialized = 1;
+}
+
+extern int gnu_ifunc (int arg);
+
+int
+main (void)
+{
+ int i;
+
+ gnu_ifunc_pre ();
+
+ i = gnu_ifunc (1); /* break-at-call */
+ assert (i == 2);
+
+ gnu_ifunc (2); /* break-at-nextcall */
+
+ return 0; /* break-at-exit */
+}