[30/58] Hide __posix_spawn_file_actions_realloc/__spawni [BZ #18822]
Commit Message
Hide internal __posix_spawn_file_actions_realloc and /__spawni functions
to allow direct access within libc.so and libc.a without using GOT nor
PLT.
[BZ #18822]
* posix/spawn_int.h (__posix_spawn_file_actions_realloc): Add
attribute_hidden.
(__spawni): Likewise.
---
posix/spawn_int.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
Comments
On 9/1/17, H.J. Lu <hjl.tools@gmail.com> wrote:
> Hide internal __posix_spawn_file_actions_realloc and /__spawni functions
> to allow direct access within libc.so and libc.a without using GOT nor
> PLT.
>
> [BZ #18822]
> * posix/spawn_int.h (__posix_spawn_file_actions_realloc): Add
> attribute_hidden.
> (__spawni): Likewise.
> ---
Tested with build-many-glibcs.py. I am checking it in.
@@ -57,12 +57,13 @@ struct __spawn_action
#define SPAWN_XFLAGS_TRY_SHELL 0x2
extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
- file_actions);
+ file_actions)
+ attribute_hidden;
extern int __spawni (pid_t *pid, const char *path,
const posix_spawn_file_actions_t *file_actions,
const posix_spawnattr_t *attrp, char *const argv[],
- char *const envp[], int xflags);
+ char *const envp[], int xflags) attribute_hidden;
/* Return true if FD falls into the range valid for file descriptors.
The check in this form is mandated by POSIX. */