diff options
Diffstat (limited to 'REORG.TODO/elf/ifuncmod5.c')
-rw-r--r-- | REORG.TODO/elf/ifuncmod5.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/REORG.TODO/elf/ifuncmod5.c b/REORG.TODO/elf/ifuncmod5.c new file mode 100644 index 0000000000..5a957800e8 --- /dev/null +++ b/REORG.TODO/elf/ifuncmod5.c @@ -0,0 +1,64 @@ +/* Test STT_GNU_IFUNC symbols without direct function call. */ +#include "ifunc-sel.h" + +int global = -1; +/* Can't use __attribute__((visibility("protected"))) until the GCC bug: + + https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65248 + + is fixed. */ +asm (".protected 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 * +inhibit_stack_protector +foo_ifunc (void) +{ + return ifunc_sel (one, minus_one, zero); +} + +void * foo_hidden_ifunc (void) __asm__ ("foo_hidden"); +__asm__(".type foo_hidden, %gnu_indirect_function"); + +void * +inhibit_stack_protector +foo_hidden_ifunc (void) +{ + return ifunc_sel (minus_one, one, zero); +} + +void * foo_protected_ifunc (void) __asm__ ("foo_protected"); +__asm__(".type foo_protected, %gnu_indirect_function"); + +void * +inhibit_stack_protector +foo_protected_ifunc (void) +{ + return ifunc_sel (one, zero, minus_one); +} + +/* Test hidden indirect function. */ +__asm__(".hidden foo_hidden"); + +/* Test protected indirect function. */ +__asm__(".protected foo_protected"); |