diff options
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 8 | ||||
| -rw-r--r-- | bfd/elf64-ppc.c | 62 |
2 files changed, 42 insertions, 28 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 23c35ed..fb8d2d0 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,11 @@ +2005-09-30 Alan Modra <amodra@bigpond.net.au> + + * elf64-ppc.c (ppc_type_of_stub): Check both func desc and func + entry sym before deciding no stub is needed. + (ppc64_elf_size_stubs): When calculating branch destination, + don't use func desc sym for old ABI objects unless func entry + is undefined. + 2005-09-28 H.J. Lu <hongjiu.lu@intel.com> PR binutils/1321 diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c index 45d0879..f10af8b 100644 --- a/bfd/elf64-ppc.c +++ b/bfd/elf64-ppc.c @@ -7888,26 +7888,34 @@ ppc_type_of_stub (asection *input_sec, if (h != NULL) { - if (h->oh != NULL - && h->oh->is_func_descriptor) - h = h->oh; + struct ppc_link_hash_entry *fdh = h; + if (fdh->oh != NULL + && fdh->oh->is_func_descriptor) + fdh = fdh->oh; - if (h->elf.dynindx != -1) + if (fdh->elf.dynindx != -1) { struct plt_entry *ent; - for (ent = h->elf.plt.plist; ent != NULL; ent = ent->next) + for (ent = fdh->elf.plt.plist; ent != NULL; ent = ent->next) if (ent->addend == rel->r_addend && ent->plt.offset != (bfd_vma) -1) { - *hash = h; + *hash = fdh; return ppc_stub_plt_call; } } - if (!(h->elf.root.type == bfd_link_hash_defined - || h->elf.root.type == bfd_link_hash_defweak) - || h->elf.root.u.def.section->output_section == NULL) + /* Here, we know we don't have a plt entry. If we don't have a + either a defined function descriptor or a defined entry symbol + in a regular object file, then it is pointless trying to make + any other type of stub. */ + if (!((fdh->elf.root.type == bfd_link_hash_defined + || fdh->elf.root.type == bfd_link_hash_defweak) + && fdh->elf.root.u.def.section->output_section != NULL) + && !((h->elf.root.type == bfd_link_hash_defined + || h->elf.root.type == bfd_link_hash_defweak) + && h->elf.root.u.def.section->output_section != NULL)) return ppc_stub_none; } @@ -8951,16 +8959,25 @@ ppc64_elf_size_stubs (bfd *output_bfd, ok_dest = FALSE; fdh = NULL; + sym_value = 0; if (hash == NULL) { sym_value = sym->st_value; ok_dest = TRUE; } - else + else if (hash->elf.root.type == bfd_link_hash_defined + || hash->elf.root.type == bfd_link_hash_defweak) + { + sym_value = hash->elf.root.u.def.value; + if (sym_sec->output_section != NULL) + ok_dest = TRUE; + } + else if (hash->elf.root.type == bfd_link_hash_undefweak + || hash->elf.root.type == bfd_link_hash_undefined) { - sym_value = 0; /* Recognise an old ABI func code entry sym, and - use the func descriptor sym instead. */ + use the func descriptor sym instead if it is + defined. */ if (hash->elf.root.root.string[0] == '.' && (fdh = get_fdh (hash, htab)) != NULL) { @@ -8975,22 +8992,11 @@ ppc64_elf_size_stubs (bfd *output_bfd, else fdh = NULL; } - else if (hash->elf.root.type == bfd_link_hash_defined - || hash->elf.root.type == bfd_link_hash_defweak) - { - sym_value = hash->elf.root.u.def.value; - if (sym_sec->output_section != NULL) - ok_dest = TRUE; - } - else if (hash->elf.root.type == bfd_link_hash_undefweak) - ; - else if (hash->elf.root.type == bfd_link_hash_undefined) - ; - else - { - bfd_set_error (bfd_error_bad_value); - goto error_ret_free_internal; - } + } + else + { + bfd_set_error (bfd_error_bad_value); + goto error_ret_free_internal; } destination = 0; |