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authorH.J. Lu <hongjiu.lu@intel.com>2009-06-22 15:07:40 -0700
committerUlrich Drepper <drepper@redhat.com>2009-06-22 15:07:40 -0700
commit3c30afc8625c680257b91638c3d9bee01e1fe778 (patch)
tree46b73bd4a4ca129ce8818c14c83657a9d3018f02 /elf/ifuncmain5.c
parentccab6d8f73a17346862b681250de6f73a6940144 (diff)
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Add more IFUNC tests.
Mostly tests around not-exported IFUNC functions, IFUNC in statically linked binaries and PIEs, etc.
Diffstat (limited to 'elf/ifuncmain5.c')
-rw-r--r--elf/ifuncmain5.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/elf/ifuncmain5.c b/elf/ifuncmain5.c
new file mode 100644
index 0000000..819a443
--- /dev/null
+++ b/elf/ifuncmain5.c
@@ -0,0 +1,40 @@
+/* Test STT_GNU_IFUNC symbols with dynamic function pointer only. */
+
+#include <stdlib.h>
+
+int global = -1;
+
+extern int foo (void);
+extern int foo_protected (void);
+
+typedef int (*foo_p) (void);
+
+foo_p
+__attribute__ ((noinline))
+get_foo (void)
+{
+ return foo;
+}
+
+foo_p
+__attribute__ ((noinline))
+get_foo_protected (void)
+{
+ return foo_protected;
+}
+
+int
+main (void)
+{
+ foo_p p;
+
+ p = get_foo ();
+ if ((*p) () != -1)
+ abort ();
+
+ p = get_foo_protected ();
+ if ((*p) () != 0)
+ abort ();
+
+ return 0;
+}