diff options
Diffstat (limited to 'bfd/elf32-vax.c')
| -rw-r--r-- | bfd/elf32-vax.c | 96 |
1 files changed, 66 insertions, 30 deletions
diff --git a/bfd/elf32-vax.c b/bfd/elf32-vax.c index 77b8e0d..30afb15 100644 --- a/bfd/elf32-vax.c +++ b/bfd/elf32-vax.c @@ -1050,6 +1050,59 @@ elf_vax_adjust_dynamic_symbol (struct bfd_link_info *info, return _bfd_elf_adjust_dynamic_copy (h, s); } +/* This function is called via elf_link_hash_traverse. It resets GOT + and PLT (.GOT) reference counts back to -1 so normal PC32 relocation + will be done. */ + +static bfd_boolean +elf_vax_discard_got_entries (struct elf_link_hash_entry *h, + void *infoptr ATTRIBUTE_UNUSED) +{ + h->got.refcount = -1; + h->plt.refcount = -1; + + return TRUE; +} + +/* Discard unused dynamic data if this is a static link. */ + +static bfd_boolean +elf_vax_always_size_sections (bfd *output_bfd ATTRIBUTE_UNUSED, + struct bfd_link_info *info) +{ + bfd *dynobj; + asection *s; + + dynobj = elf_hash_table (info)->dynobj; + + if (dynobj && !elf_hash_table (info)->dynamic_sections_created) + { + /* We may have created entries in the .rela.got and .got sections. + However, if we are not creating the dynamic sections, we will + not actually use these entries. Reset the size of .rela.got + and .got, which will cause it to get stripped from the output + file below. */ + s = bfd_get_linker_section (dynobj, ".rela.got"); + if (s != NULL) + s->size = 0; + s = bfd_get_linker_section (dynobj, ".got.plt"); + if (s != NULL) + s->size = 0; + s = bfd_get_linker_section (dynobj, ".got"); + if (s != NULL) + s->size = 0; + } + + /* If this is a static link, we need to discard all the got entries we've + recorded. */ + if (!dynobj || !elf_hash_table (info)->dynamic_sections_created) + elf_link_hash_traverse (elf_hash_table (info), + elf_vax_discard_got_entries, + info); + + return TRUE; +} + /* Set the sizes of the dynamic sections. */ static bfd_boolean @@ -1075,23 +1128,6 @@ elf_vax_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; } } - else - { - /* We may have created entries in the .rela.got and .got sections. - However, if we are not creating the dynamic sections, we will - not actually use these entries. Reset the size of .rela.got - and .got, which will cause it to get stripped from the output - file below. */ - s = bfd_get_linker_section (dynobj, ".rela.got"); - if (s != NULL) - s->size = 0; - s = bfd_get_linker_section (dynobj, ".got.plt"); - if (s != NULL) - s->size = 0; - s = bfd_get_linker_section (dynobj, ".got"); - if (s != NULL) - s->size = 0; - } /* If this is a -Bsymbolic shared link, then we need to discard all PC relative relocs against symbols defined in a regular object. We @@ -1102,9 +1138,9 @@ elf_vax_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) elf_vax_discard_copies, NULL); - /* If this is a -Bsymbolic shared link or a static link, we need to - discard all the got entries we've recorded. Otherwise, we need to - instantiate (allocate space for them). */ + /* If this is a -Bsymbolic shared link, we need to discard all the got + entries we've recorded. Otherwise, we need to instantiate (allocate + space for them). */ elf_link_hash_traverse (elf_hash_table (info), elf_vax_instantiate_got_entries, info); @@ -1260,12 +1296,12 @@ elf_vax_discard_copies (struct elf_vax_link_hash_entry *h, return TRUE; } -/* This function is called via elf_link_hash_traverse. It looks for entries - that have GOT or PLT (.GOT) references. If creating a static object or a - shared object with -Bsymbolic, or the symbol has been forced local, then - it resets the reference count back to -1 so normal PC32 relocation will - be done. Otherwise space in the .got and .rela.got will be reserved for - the symbol. */ +/* This function is called via elf_link_hash_traverse. It looks for + entries that have GOT or PLT (.GOT) references. If creating a shared + object with -Bsymbolic, or the symbol has been forced local, then it + resets the reference count back to -1 so normal PC32 relocation will + be done. Otherwise space in the .got and .rela.got will be reserved + for the symbol. */ static bfd_boolean elf_vax_instantiate_got_entries (struct elf_link_hash_entry *h, void * infoptr) @@ -1280,14 +1316,12 @@ elf_vax_instantiate_got_entries (struct elf_link_hash_entry *h, void * infoptr) return TRUE; dynobj = elf_hash_table (info)->dynobj; - if (dynobj == NULL) - return TRUE; + BFD_ASSERT (dynobj != NULL); sgot = bfd_get_linker_section (dynobj, ".got"); srelgot = bfd_get_linker_section (dynobj, ".rela.got"); - if (!elf_hash_table (info)->dynamic_sections_created - || (info->shared && info->symbolic) + if ((info->shared && info->symbolic) || h->forced_local) { h->got.refcount = -1; @@ -2065,6 +2099,8 @@ elf_vax_plt_sym_val (bfd_vma i, const asection *plt, #define elf_backend_check_relocs elf_vax_check_relocs #define elf_backend_adjust_dynamic_symbol \ elf_vax_adjust_dynamic_symbol +#define elf_backend_always_size_sections \ + elf_vax_always_size_sections #define elf_backend_size_dynamic_sections \ elf_vax_size_dynamic_sections #define elf_backend_init_index_section _bfd_elf_init_1_index_section |