diff options
| -rw-r--r-- | csu/libc-start.c | 4 | ||||
| -rw-r--r-- | elf/dl-reloc-static-pie.c | 2 | ||||
| -rw-r--r-- | elf/dl-support.c | 6 | ||||
| -rw-r--r-- | elf/dl-tunables.c | 4 | ||||
| -rw-r--r-- | elf/enbl-secure.c | 4 | ||||
| -rw-r--r-- | misc/sbrk.c | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/libc-start.c | 5 | ||||
| -rw-r--r-- | sysdeps/x86/libc-start.c | 5 |
8 files changed, 34 insertions, 0 deletions
diff --git a/csu/libc-start.c b/csu/libc-start.c index 5b9ce1d..a2f6e12 100644 --- a/csu/libc-start.c +++ b/csu/libc-start.c @@ -15,6 +15,10 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ +/* Mark symbols hidden in static PIE for early self relocation to work. */ +#if BUILD_PIE_DEFAULT +# pragma GCC visibility push(hidden) +#endif #include <assert.h> #include <stdlib.h> #include <stdio.h> diff --git a/elf/dl-reloc-static-pie.c b/elf/dl-reloc-static-pie.c index a8d9640..d5bd2f3 100644 --- a/elf/dl-reloc-static-pie.c +++ b/elf/dl-reloc-static-pie.c @@ -17,6 +17,8 @@ <https://www.gnu.org/licenses/>. */ #if ENABLE_STATIC_PIE +/* Mark symbols hidden in static PIE for early self relocation to work. */ +# pragma GCC visibility push(hidden) #include <unistd.h> #include <ldsodefs.h> #include "dynamic-link.h" diff --git a/elf/dl-support.c b/elf/dl-support.c index 2434c47..7abb65d 100644 --- a/elf/dl-support.c +++ b/elf/dl-support.c @@ -19,6 +19,12 @@ /* This file defines some things that for the dynamic linker are defined in rtld.c and dl-sysdep.c in ways appropriate to bootstrap dynamic linking. */ +#include <string.h> +/* Mark symbols hidden in static PIE for early self relocation to work. + Note: string.h may have ifuncs which cannot be hidden on i686. */ +#if BUILD_PIE_DEFAULT +# pragma GCC visibility push(hidden) +#endif #include <errno.h> #include <libintl.h> #include <stdlib.h> diff --git a/elf/dl-tunables.c b/elf/dl-tunables.c index e44476f..b1a50b8 100644 --- a/elf/dl-tunables.c +++ b/elf/dl-tunables.c @@ -18,6 +18,10 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ +/* Mark symbols hidden in static PIE for early self relocation to work. */ +#if BUILD_PIE_DEFAULT +# pragma GCC visibility push(hidden) +#endif #include <startup.h> #include <stdint.h> #include <stdbool.h> diff --git a/elf/enbl-secure.c b/elf/enbl-secure.c index 5dcf649..9e47526 100644 --- a/elf/enbl-secure.c +++ b/elf/enbl-secure.c @@ -19,6 +19,10 @@ /* This file is used in the static libc. For the shared library, dl-sysdep.c defines and initializes __libc_enable_secure. */ +/* Mark symbols hidden in static PIE for early self relocation to work. */ +#if BUILD_PIE_DEFAULT +# pragma GCC visibility push(hidden) +#endif #include <startup.h> #include <libc-internal.h> diff --git a/misc/sbrk.c b/misc/sbrk.c index 99b3fb5..95800b3 100644 --- a/misc/sbrk.c +++ b/misc/sbrk.c @@ -15,6 +15,10 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ +/* Mark symbols hidden in static PIE for early self relocation to work. */ +#if BUILD_PIE_DEFAULT +# pragma GCC visibility push(hidden) +#endif #include <errno.h> #include <libc-internal.h> #include <stdbool.h> diff --git a/sysdeps/unix/sysv/linux/aarch64/libc-start.c b/sysdeps/unix/sysv/linux/aarch64/libc-start.c index f816f04..e1604a6 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libc-start.c +++ b/sysdeps/unix/sysv/linux/aarch64/libc-start.c @@ -17,6 +17,11 @@ <https://www.gnu.org/licenses/>. */ #ifndef SHARED + +/* Mark symbols hidden in static PIE for early self relocation to work. */ +# if BUILD_PIE_DEFAULT +# pragma GCC visibility push(hidden) +# endif # include <ldsodefs.h> # include <cpu-features.c> diff --git a/sysdeps/x86/libc-start.c b/sysdeps/x86/libc-start.c index 4bbd7d5..d30aec2 100644 --- a/sysdeps/x86/libc-start.c +++ b/sysdeps/x86/libc-start.c @@ -16,6 +16,11 @@ <https://www.gnu.org/licenses/>. */ #ifndef SHARED + +/* Mark symbols hidden in static PIE for early self relocation to work. */ +# if BUILD_PIE_DEFAULT +# pragma GCC visibility push(hidden) +# endif /* Define I386_USE_SYSENTER to support syscall during startup in static PIE. */ # include <startup.h> |