diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/dl-machine.h')
| -rw-r--r-- | sysdeps/sparc/sparc64/dl-machine.h | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h index b7f2d62c90..1e5e25b827 100644 --- a/sysdeps/sparc/sparc64/dl-machine.h +++ b/sysdeps/sparc/sparc64/dl-machine.h @@ -64,12 +64,12 @@ elf_machine_load_address (void) : "=r"(pc), "=r"(la)); return pc - *(Elf64_Addr *)(elf_pic_register + la); - + Unfortunately as binutils tries to work around Solaris dynamic linker bug which resolves R_SPARC_RELATIVE as X += B + A instead of X = B + A this does not work any longer, since ld clears it. - + The following method relies on the fact that sparcv9 ABI maximal page length is 1MB and all ELF segments on sparc64 are aligned to 1MB. Also, it relies on _DYNAMIC coming after _GLOBAL_OFFSET_TABLE_ @@ -197,23 +197,15 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, const Elf64_Sym *sym, const struct r_found_version *version, Elf64_Addr *const reloc_addr) { -#ifndef RTLD_BOOTSTRAP - /* This is defined in rtld.c, but nowhere in the static libc.a; make the - reference weak so static programs can still link. This declaration - cannot be done when compiling rtld.c (i.e. #ifdef RTLD_BOOTSTRAP) - because rtld.c contains the common defn for _dl_rtld_map, which is - incompatible with a weak decl in the same file. */ - weak_extern (_dl_rtld_map); -#endif + const unsigned long int r_type = ELF64_R_TYPE_ID (reloc->r_info); - if (ELF64_R_TYPE_ID (reloc->r_info) == R_SPARC_RELATIVE) - { + if (__builtin_expect (r_type == R_SPARC_RELATIVE, 0)) + *reloc_addr = map->l_addr + reloc->r_addend; #ifndef RTLD_BOOTSTRAP - if (map != &_dl_rtld_map) /* Already done in rtld itself. */ + else if (r_type == R_SPARC_NONE) /* Who is Wilbur? */ + return; #endif - *reloc_addr = map->l_addr + reloc->r_addend; - } - else if (ELF64_R_TYPE_ID (reloc->r_info) != R_SPARC_NONE) /* Who is Wilbur? */ + else { #ifndef RTLD_BOOTSTRAP const Elf64_Sym *const refsym = sym; @@ -224,13 +216,13 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, value = map->l_addr; else { - value = RESOLVE (&sym, version, ELF64_R_TYPE_ID (reloc->r_info)); + value = RESOLVE (&sym, version, r_type); if (sym) value += sym->st_value; } value += reloc->r_addend; /* Assume copy relocs have zero addend. */ - switch (ELF64_R_TYPE_ID (reloc->r_info)) + switch (r_type) { #ifndef RTLD_BOOTSTRAP case R_SPARC_COPY: @@ -368,7 +360,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, #endif #if !defined RTLD_BOOTSTRAP || defined _NDEBUG default: - _dl_reloc_bad_type (map, ELFW(R_TYPE) (reloc->r_info), 0); + _dl_reloc_bad_type (map, r_type, 0); break; #endif } @@ -376,6 +368,13 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc, } static inline void +elf_machine_rel_relative (Elf64_Addr l_addr, const Elf64_Rel *reloc, + Elf64_Addr *const reloc_addr) +{ + *reloc_addr = l_addr + reloc->r_addend; +} + +static inline void elf_machine_lazy_rel (struct link_map *map, Elf64_Addr l_addr, const Elf64_Rela *reloc) { |