diff options
Diffstat (limited to 'sysdeps/alpha/dl-machine.h')
| -rw-r--r-- | sysdeps/alpha/dl-machine.h | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/sysdeps/alpha/dl-machine.h b/sysdeps/alpha/dl-machine.h index fc9f9712cb..7a51df5f00 100644 --- a/sysdeps/alpha/dl-machine.h +++ b/sysdeps/alpha/dl-machine.h @@ -239,7 +239,14 @@ _dl_start_user: /* Nonzero iff TYPE describes relocation of a PLT entry, so PLT entries should not be allowed to define the value. */ -#define elf_machine_pltrel_p(type) ((type) == R_ALPHA_JMP_SLOT) +#define elf_machine_lookup_noplt_p(type) ((type) == R_ALPHA_JMP_SLOT) + +/* Nonzero iff TYPE should not be allowed to resolve to one of + the main executable's symbols, as for a COPY reloc, which we don't use. */ +#define elf_machine_lookup_noexec_p(type) (0) + +/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */ +#define ELF_MACHINE_RELOC_NOPLT R_ALPHA_JMP_SLOT /* The alpha never uses Elf64_Rel relocations. */ #define ELF_MACHINE_NO_REL 1 @@ -328,7 +335,7 @@ elf_machine_rela (struct link_map *map, const struct r_found_version *version) { Elf64_Addr * const reloc_addr = (void *)(map->l_addr + reloc->r_offset); - unsigned long const r_info = ELF64_R_TYPE (reloc->r_info); + unsigned long const r_type = ELF64_R_TYPE (reloc->r_info); #ifndef RTLD_BOOTSTRAP /* This is defined in rtld.c, but nowhere in the static libc.a; make the @@ -342,7 +349,7 @@ 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_info == R_ALPHA_RELATIVE) + if (r_type == R_ALPHA_RELATIVE) { #ifndef RTLD_BOOTSTRAP /* Already done in dynamic linker. */ @@ -350,24 +357,23 @@ elf_machine_rela (struct link_map *map, #endif *reloc_addr += map->l_addr; } - else if (r_info == R_ALPHA_NONE) + else if (r_type == R_ALPHA_NONE) return; else { Elf64_Addr loadbase, sym_value; - loadbase = RESOLVE (&sym, version, - r_info == R_ALPHA_JMP_SLOT ? DL_LOOKUP_NOPLT : 0); + loadbase = RESOLVE (&sym, version, r_type); sym_value = sym ? loadbase + sym->st_value : 0; - if (r_info == R_ALPHA_GLOB_DAT) + if (r_type == R_ALPHA_GLOB_DAT) *reloc_addr = sym_value; - else if (r_info == R_ALPHA_JMP_SLOT) + else if (r_type == R_ALPHA_JMP_SLOT) { *reloc_addr = sym_value; elf_alpha_fix_plt (map, reloc, (Elf64_Addr) reloc_addr, sym_value); } - else if (r_info == R_ALPHA_REFQUAD) + else if (r_type == R_ALPHA_REFQUAD) { sym_value += *reloc_addr; #ifndef RTLD_BOOTSTRAP @@ -397,15 +403,15 @@ static inline void elf_machine_lazy_rel (struct link_map *map, const Elf64_Rela *reloc) { Elf64_Addr * const reloc_addr = (void *)(map->l_addr + reloc->r_offset); - unsigned long const r_info = ELF64_R_TYPE (reloc->r_info); + unsigned long const r_type = ELF64_R_TYPE (reloc->r_info); - if (r_info == R_ALPHA_JMP_SLOT) + if (r_type == R_ALPHA_JMP_SLOT) { /* Perform a RELATIVE reloc on the .got entry that transfers to the .plt. */ *reloc_addr += map->l_addr; } - else if (r_info == R_ALPHA_NONE) + else if (r_type == R_ALPHA_NONE) return; else assert (! "unexpected PLT reloc type"); |