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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/ifuncmain1vis.c
parentfbb04b35e7997070feec74e0fd46953faef71f9e (diff)
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Test for ELF IFUNC functionality.
Diffstat (limited to 'elf/ifuncmain1vis.c')
-rw-r--r--elf/ifuncmain1vis.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/elf/ifuncmain1vis.c b/elf/ifuncmain1vis.c
new file mode 100644
index 0000000000..a239d2dd0d
--- /dev/null
+++ b/elf/ifuncmain1vis.c
@@ -0,0 +1,89 @@
+/* Test STT_GNU_IFUNC symbols:
+
+   1. Direct function call.
+   2. Function pointer.
+   3. Visibility with 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
+__attribute__ ((noinline))
+foo (void)
+{
+  return -30;
+}
+
+int
+__attribute__ ((noinline))
+foo_hidden (void)
+{
+  return -20;
+}
+
+int
+__attribute__ ((noinline))
+foo_protected (void)
+{
+  return -40;
+}
+
+int
+main (void)
+{
+  foo_p p;
+  
+  if (foo_ptr != foo)
+    abort ();
+  if ((*foo_ptr) () != -30)
+    abort ();
+
+  if (foo_procted_ptr != foo_protected)
+    abort ();
+  if ((*foo_procted_ptr) () != -40)
+    abort ();
+
+  p = get_foo_p ();
+  if (p != foo)
+    abort ();
+  if (foo () != -30)
+    abort ();
+  if (ret_foo != -30 || (*p) () != ret_foo)
+    abort ();
+
+  p = get_foo_hidden_p ();
+  if (foo_hidden () != -20)
+    abort ();
+  if (ret_foo_hidden != 1 || (*p) () != ret_foo_hidden)
+    abort ();
+
+  p = get_foo_protected_p ();
+  if (p == foo_protected)
+    abort ();
+  if (foo_protected () != -40)
+    abort ();
+  if (ret_foo_protected != 0 || (*p) () != ret_foo_protected)
+    abort ();
+
+  return 0;
+}