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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/ifuncmod5.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/ifuncmod5.c')
-rw-r--r--elf/ifuncmod5.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/elf/ifuncmod5.c b/elf/ifuncmod5.c
new file mode 100644
index 0000000..4838896
--- /dev/null
+++ b/elf/ifuncmod5.c
@@ -0,0 +1,78 @@
+/* Test STT_GNU_IFUNC symbols without direct function call. */
+
+extern int global;
+
+static int
+one (void)
+{
+ return 1;
+}
+
+static int
+minus_one (void)
+{
+ return -1;
+}
+
+static int
+zero (void)
+{
+ return 0;
+}
+
+void * foo_ifunc (void) __asm__ ("foo");
+__asm__(".type foo, %gnu_indirect_function");
+
+void *
+foo_ifunc (void)
+{
+ switch (global)
+ {
+ case 1:
+ return one;
+ case -1:
+ return minus_one;
+ default:
+ return zero;
+ }
+}
+
+void * foo_hidden_ifunc (void) __asm__ ("foo_hidden");
+__asm__(".type foo_hidden, %gnu_indirect_function");
+
+void *
+foo_hidden_ifunc (void)
+{
+ switch (global)
+ {
+ case 1:
+ return minus_one;
+ case -1:
+ return one;
+ default:
+ return zero;
+ }
+}
+
+void * foo_protected_ifunc (void) __asm__ ("foo_protected");
+__asm__(".type foo_protected, %gnu_indirect_function");
+
+void *
+foo_protected_ifunc (void)
+{
+ switch (global)
+ {
+ case 1:
+ return one;
+ case -1:
+ return zero;
+ default:
+ return minus_one;
+ }
+}
+
+/* Test hidden indirect function. */
+__asm__(".hidden foo_hidden");
+
+/* Test protected indirect function. */
+__asm__(".protected foo_protected");