diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/dl-machine.h')
-rw-r--r-- | sysdeps/powerpc/powerpc64/dl-machine.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/dl-machine.h b/sysdeps/powerpc/powerpc64/dl-machine.h index 6fab5cbe81..bb0ccd0811 100644 --- a/sysdeps/powerpc/powerpc64/dl-machine.h +++ b/sysdeps/powerpc/powerpc64/dl-machine.h @@ -559,6 +559,27 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc, #define ARCH_LA_PLTEXIT ppc64v2_gnu_pltexit #endif +#if ENABLE_STATIC_PIE && !defined SHARED && !IS_IN (rtld) +#include <libc-diag.h> +#include <tcb-offsets.h> + +/* Set up r13 for _dl_relocate_static_pie so that libgcc ifuncs that + normally access the tcb copy of hwcap will see __tcb.hwcap. */ + +static inline void __attribute__ ((always_inline)) +ppc_init_fake_thread_pointer (void) +{ + DIAG_PUSH_NEEDS_COMMENT; + /* We are playing pointer tricks. Silence gcc warning. */ + DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Warray-bounds"); + __thread_register = (char *) &__tcb.hwcap - TCB_HWCAP; + DIAG_POP_NEEDS_COMMENT; +} + +#define ELF_MACHINE_BEFORE_RTLD_RELOC(map, dynamic_info) \ + ppc_init_fake_thread_pointer (); +#endif /* ENABLE_STATIC_PIE && !defined SHARED && !IS_IN (rtld) */ + #endif /* dl_machine_h */ #ifdef RESOLVE_MAP |