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authorH.J. Lu <hongjiu.lu@intel.com>2009-06-03 16:21:40 -0700
committerUlrich Drepper <drepper@redhat.com>2009-06-03 16:21:40 -0700
commit2f083d7511460b3beea2df165c3e43742f73f3c9 (patch)
treedb6421cac30909a7a0546460ca271d0b54158ea0 /elf/ifuncmain1.c
parentfbb04b35e7997070feec74e0fd46953faef71f9e (diff)
downloadglibc-2f083d7511460b3beea2df165c3e43742f73f3c9.tar.gz
Test for ELF IFUNC functionality.
Diffstat (limited to 'elf/ifuncmain1.c')
-rw-r--r--elf/ifuncmain1.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/elf/ifuncmain1.c b/elf/ifuncmain1.c
new file mode 100644
index 0000000000..de7ffe8779
--- /dev/null
+++ b/elf/ifuncmain1.c
@@ -0,0 +1,66 @@
+/* Test STT_GNU_IFUNC symbols:
+
+ 1. Direct function call.
+ 2. Function pointer.
+ 3. Visibility without override.
+ */
+
+#include <stdlib.h>
+
+int global = -1;
+
+int ret_foo;
+int ret_foo_hidden;
+int ret_foo_protected;
+
+extern int foo (void);
+extern int foo_protected (void);
+
+#ifndef FOO_P
+typedef int (*foo_p) (void);
+#endif
+
+foo_p foo_ptr = foo;
+foo_p foo_procted_ptr = foo_protected;
+
+extern foo_p get_foo_p (void);
+extern foo_p get_foo_hidden_p (void);
+extern foo_p get_foo_protected_p (void);
+
+int
+main (void)
+{
+ foo_p p;
+
+ if (foo_ptr != foo)
+ abort ();
+ if (foo () != -1)
+ abort ();
+ if ((*foo_ptr) () != -1)
+ abort ();
+
+ if (foo_procted_ptr != foo_protected)
+ abort ();
+ if (foo_protected () != 0)
+ abort ();
+ if ((*foo_procted_ptr) () != 0)
+ abort ();
+
+ p = get_foo_p ();
+ if (p != foo)
+ abort ();
+ if (ret_foo != -1 || (*p) () != ret_foo)
+ abort ();
+
+ p = get_foo_hidden_p ();
+ if (ret_foo_hidden != 1 || (*p) () != ret_foo_hidden)
+ abort ();
+
+ p = get_foo_protected_p ();
+ if (p != foo_protected)
+ abort ();
+ if (ret_foo_protected != 0 || (*p) () != ret_foo_protected)
+ abort ();
+
+ return 0;
+}