diff options
Diffstat (limited to 'libc/elf/ifuncmain1vis.c')
-rw-r--r-- | libc/elf/ifuncmain1vis.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/libc/elf/ifuncmain1vis.c b/libc/elf/ifuncmain1vis.c new file mode 100644 index 000000000..a239d2dd0 --- /dev/null +++ b/libc/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; +} |