diff options
Diffstat (limited to 'elf/ifuncmod1.c')
-rw-r--r-- | elf/ifuncmod1.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/elf/ifuncmod1.c b/elf/ifuncmod1.c new file mode 100644 index 0000000000..a1697b596d --- /dev/null +++ b/elf/ifuncmod1.c @@ -0,0 +1,114 @@ +/* Test STT_GNU_IFUNC symbols: + + 1. Direct function call. + 2. Function pointer. + 3. Visibility. + */ + +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"); + +extern int foo (void); +extern int foo_hidden (void); +extern int foo_protected (void); +extern int ret_foo; +extern int ret_foo_hidden; +extern int ret_foo_protected; + +#define FOO_P +typedef int (*foo_p) (void); + +foo_p +get_foo_p (void) +{ + ret_foo = foo (); + return foo; +} + +foo_p +get_foo_hidden_p (void) +{ + ret_foo_hidden = foo_hidden (); + return foo_hidden; +} + +foo_p +get_foo_protected_p (void) +{ + ret_foo_protected = foo_protected (); + return foo_protected; +} |