diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/dl-machine.c')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/dl-machine.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/dl-machine.c b/sysdeps/powerpc/powerpc32/dl-machine.c index 866380a940..2e071c85af 100644 --- a/sysdeps/powerpc/powerpc32/dl-machine.c +++ b/sysdeps/powerpc/powerpc32/dl-machine.c @@ -397,6 +397,7 @@ _dl_reloc_overflow (struct link_map *map, void __process_machine_rela (struct link_map *map, const Elf32_Rela *reloc, + struct link_map *sym_map, const Elf32_Sym *sym, const Elf32_Sym *refsym, Elf32_Addr *const reloc_addr, @@ -541,6 +542,53 @@ __process_machine_rela (struct link_map *map, } break; +#ifdef USE_TLS +#define CHECK_STATIC_TLS(map, sym_map) \ + do { \ + if (__builtin_expect ((sym_map)->l_tls_offset == NO_TLS_OFFSET, 0)) \ + _dl_allocate_static_tls (sym_map); \ + } while (0) +# define DO_TLS_RELOC(suffix) \ + case R_PPC_DTPREL##suffix: \ + /* During relocation all TLS symbols are defined and used. \ + Therefore the offset is already correct. */ \ + if (sym_map != NULL) \ + do_reloc##suffix ("R_PPC_DTPREL"#suffix, \ + TLS_DTPREL_VALUE (sym, reloc)); \ + break; \ + case R_PPC_TPREL##suffix: \ + if (sym_map != NULL) \ + { \ + CHECK_STATIC_TLS (map, sym_map); \ + do_reloc##suffix ("R_PPC_TPREL"#suffix, \ + TLS_TPREL_VALUE (sym_map, sym, reloc)); \ + } \ + break; + + inline void do_reloc16 (const char *r_name, Elf32_Addr value) + { + if (__builtin_expect (value > 0x7fff && value < 0xffff8000, 0)) + _dl_reloc_overflow (map, r_name, reloc_addr, sym, refsym); + *(Elf32_Half *) reloc_addr = value; + } + inline void do_reloc16_LO (const char *r_name, Elf32_Addr value) + { + *(Elf32_Half *) reloc_addr = value; + } + inline void do_reloc16_HI (const char *r_name, Elf32_Addr value) + { + *(Elf32_Half *) reloc_addr = value >> 16; + } + inline void do_reloc16_HA (const char *r_name, Elf32_Addr value) + { + *(Elf32_Half *) reloc_addr = (value + 0x8000) >> 16; + } + DO_TLS_RELOC (16) + DO_TLS_RELOC (16_LO) + DO_TLS_RELOC (16_HI) + DO_TLS_RELOC (16_HA) +#endif + default: _dl_reloc_bad_type (map, rinfo, 0); return; |