diff options
Diffstat (limited to 'sysdeps/alpha/dl-machine.h')
| -rw-r--r-- | sysdeps/alpha/dl-machine.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/sysdeps/alpha/dl-machine.h b/sysdeps/alpha/dl-machine.h index 1634e96950..e16f046cb7 100644 --- a/sysdeps/alpha/dl-machine.h +++ b/sysdeps/alpha/dl-machine.h @@ -480,7 +480,7 @@ elf_machine_rela (struct link_map *map, /* We cannot use a switch here because we cannot locate the switch jump table until we've self-relocated. */ - if (r_type == R_ALPHA_RELATIVE) + if (__builtin_expect (r_type == R_ALPHA_RELATIVE, 0)) { #ifndef RTLD_BOOTSTRAP /* Already done in dynamic linker. */ @@ -501,7 +501,7 @@ elf_machine_rela (struct link_map *map, } } #ifndef RTLD_BOOTSTRAP - else if (r_type == R_ALPHA_NONE) + else if (__builtin_expect (r_type == R_ALPHA_NONE, 0)) return; #endif else @@ -548,6 +548,23 @@ elf_machine_rela (struct link_map *map, } static inline void +elf_machine_rel_relative (Elf64_Addr l_addr, const Elf64_Rel *reloc, + Elf64_Addr *const reloc_addr) +{ + /* XXX Make some timings. Maybe it's preverable to test for + unaligned access and only do it the complex way if necessary. */ + void *reloc_addr_1 = reloc_addr; + Elf64_Addr reloc_addr_val; + + /* Load value without causing unaligned trap. */ + memcpy (&reloc_addr_val, reloc_addr_1, 8); + reloc_addr_val += l_addr; + + /* Store value without causing unaligned trap. */ + memcpy (reloc_addr_1, &reloc_addr_val, 8); +} + +static inline void elf_machine_lazy_rel (struct link_map *map, Elf64_Addr l_addr, const Elf64_Rela *reloc) { |