X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Felf32-sparc.c;h=1669aaa874efe7d0399b20881deae3ab4eae584c;hb=e38bc3b5244a70367b51990962e12f6847eee6fd;hp=50d968e6734cfde2090ef1592c299e68595199c0;hpb=560e09e9cc912370081be5cccb8d3179a78928b2;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf32-sparc.c b/bfd/elf32-sparc.c index 50d968e673..1669aaa874 100644 --- a/bfd/elf32-sparc.c +++ b/bfd/elf32-sparc.c @@ -1,6 +1,6 @@ /* SPARC-specific support for 32-bit ELF Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, - 2003 Free Software Foundation, Inc. + 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -39,6 +39,8 @@ static bfd_boolean allocate_dynrelocs PARAMS ((struct elf_link_hash_entry *, PTR)); static bfd_boolean readonly_dynrelocs PARAMS ((struct elf_link_hash_entry *, PTR)); +static bfd_boolean elf32_sparc_omit_section_dynsym + PARAMS ((bfd *, struct bfd_link_info *, asection *)); static bfd_boolean elf32_sparc_size_dynamic_sections PARAMS ((bfd *, struct bfd_link_info *)); static bfd_boolean elf32_sparc_new_section_hook @@ -387,7 +389,7 @@ sparc_elf_wdisp16_reloc (abfd, if (output_bfd != NULL) return bfd_reloc_continue; - if (reloc_entry->address > input_section->_cooked_size) + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; relocation = (symbol->value @@ -441,7 +443,7 @@ sparc_elf_hix22_reloc (abfd, if (output_bfd != NULL) return bfd_reloc_continue; - if (reloc_entry->address > input_section->_cooked_size) + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; relocation = (symbol->value @@ -487,7 +489,7 @@ sparc_elf_lox10_reloc (abfd, if (output_bfd != NULL) return bfd_reloc_continue; - if (reloc_entry->address > input_section->_cooked_size) + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; relocation = (symbol->value @@ -501,6 +503,35 @@ sparc_elf_lox10_reloc (abfd, return bfd_reloc_ok; } + +/* Support for core dump NOTE sections. */ + +static bfd_boolean +elf32_sparc_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) +{ + switch (note->descsz) + { + default: + return FALSE; + + case 260: /* Solaris prpsinfo_t. */ + elf_tdata (abfd)->core_program + = _bfd_elfcore_strndup (abfd, note->descdata + 84, 16); + elf_tdata (abfd)->core_command + = _bfd_elfcore_strndup (abfd, note->descdata + 100, 80); + break; + + case 336: /* Solaris psinfo_t. */ + elf_tdata (abfd)->core_program + = _bfd_elfcore_strndup (abfd, note->descdata + 88, 16); + elf_tdata (abfd)->core_command + = _bfd_elfcore_strndup (abfd, note->descdata + 104, 80); + break; + } + + return TRUE; +} + /* Functions for the SPARC ELF linker. */ @@ -664,7 +695,7 @@ elf32_sparc_link_hash_table_create (abfd) struct elf32_sparc_link_hash_table *ret; bfd_size_type amt = sizeof (struct elf32_sparc_link_hash_table); - ret = (struct elf32_sparc_link_hash_table *) bfd_malloc (amt); + ret = (struct elf32_sparc_link_hash_table *) bfd_zmalloc (amt); if (ret == NULL) return NULL; @@ -674,15 +705,6 @@ elf32_sparc_link_hash_table_create (abfd) return NULL; } - ret->sgot = NULL; - ret->srelgot = NULL; - ret->splt = NULL; - ret->srelplt = NULL; - ret->sdynbss = NULL; - ret->srelbss = NULL; - ret->tls_ldm_got.refcount = 0; - ret->sym_sec.abfd = NULL; - return &ret->elf.root; } @@ -701,15 +723,16 @@ create_got_section (dynobj, info) htab = elf32_sparc_hash_table (info); htab->sgot = bfd_get_section_by_name (dynobj, ".got"); - if (!htab->sgot) - abort (); + BFD_ASSERT (htab->sgot != NULL); htab->srelgot = bfd_make_section (dynobj, ".rela.got"); if (htab->srelgot == NULL - || ! bfd_set_section_flags (dynobj, htab->srelgot, - (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS - | SEC_IN_MEMORY | SEC_LINKER_CREATED - | SEC_READONLY)) + || ! bfd_set_section_flags (dynobj, htab->srelgot, SEC_ALLOC + | SEC_LOAD + | SEC_HAS_CONTENTS + | SEC_IN_MEMORY + | SEC_LINKER_CREATED + | SEC_READONLY) || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2)) return FALSE; return TRUE; @@ -884,9 +907,8 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs) if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) { - (*_bfd_error_handler) (_("%s: bad symbol index: %d"), - bfd_archive_filename (abfd), - r_symndx); + (*_bfd_error_handler) (_("%B: bad symbol index: %d"), + abfd, r_symndx); return FALSE; } @@ -1008,9 +1030,8 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs) else { (*_bfd_error_handler) - (_("%s: `%s' accessed both as normal and thread local symbol"), - bfd_archive_filename (abfd), - h ? h->root.root.string : ""); + (_("%B: `%s' accessed both as normal and thread local symbol"), + abfd, h ? h->root.root.string : ""); return FALSE; } } @@ -1071,7 +1092,7 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs) break; } - h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; + h->needs_plt = 1; if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32) goto r_sparc_plt32; @@ -1081,7 +1102,7 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs) case R_SPARC_PC10: case R_SPARC_PC22: if (h != NULL) - h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF; + h->non_got_ref = 1; if (h != NULL && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) @@ -1105,7 +1126,7 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs) case R_SPARC_UA16: case R_SPARC_UA32: if (h != NULL) - h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF; + h->non_got_ref = 1; r_sparc_plt32: if (h != NULL && !info->shared) @@ -1142,14 +1163,12 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs) || (h != NULL && (! info->symbolic || h->root.type == bfd_link_hash_defweak - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)))) + || !h->def_regular)))) || (!info->shared && (sec->flags & SEC_ALLOC) != 0 && h != NULL && (h->root.type == bfd_link_hash_defweak - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0))) + || !h->def_regular))) { struct elf32_sparc_dyn_relocs *p; struct elf32_sparc_dyn_relocs **head; @@ -1238,12 +1257,12 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs) break; case R_SPARC_GNU_VTINHERIT: - if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) + if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) return FALSE; break; case R_SPARC_GNU_VTENTRY: - if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend)) + if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) return FALSE; break; @@ -1326,6 +1345,9 @@ elf32_sparc_gc_sweep_hook (abfd, info, sec, relocs) struct elf32_sparc_dyn_relocs *p; h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + while (h->root.type == bfd_link_hash_indirect + || h->root.type == bfd_link_hash_warning) + h = (struct elf_link_hash_entry *) h->root.u.i.link; eh = (struct elf32_sparc_link_hash_entry *) h; for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) if (p->sec == sec) @@ -1430,14 +1452,11 @@ elf32_sparc_adjust_dynamic_symbol (info, h) /* Make sure we know what is going on here. */ BFD_ASSERT (htab->elf.dynobj != NULL - && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) - || h->weakdef != NULL - || ((h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_REF_REGULAR) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0))); + && (h->needs_plt + || h->u.weakdef != NULL + || (h->def_dynamic + && h->ref_regular + && !h->def_regular))); /* If this is a function, put it in the procedure linkage table. We will fill in the contents of the procedure linkage table later @@ -1447,7 +1466,7 @@ elf32_sparc_adjust_dynamic_symbol (info, h) some of their functions as STT_NOTYPE when they really should be STT_FUNC. */ if (h->type == STT_FUNC - || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0 + || h->needs_plt || (h->type == STT_NOTYPE && (h->root.type == bfd_link_hash_defined || h->root.type == bfd_link_hash_defweak) @@ -1455,8 +1474,8 @@ elf32_sparc_adjust_dynamic_symbol (info, h) { if (h->plt.refcount <= 0 || (! info->shared - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0 - && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0 + && !h->def_dynamic + && !h->ref_dynamic && h->root.type != bfd_link_hash_undefweak && h->root.type != bfd_link_hash_undefined)) { @@ -1466,7 +1485,7 @@ elf32_sparc_adjust_dynamic_symbol (info, h) such a case, we don't actually need to build a procedure linkage table, and we can just do a WDISP30 reloc instead. */ h->plt.offset = (bfd_vma) -1; - h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; + h->needs_plt = 0; } return TRUE; @@ -1477,12 +1496,12 @@ elf32_sparc_adjust_dynamic_symbol (info, h) /* If this is a weak symbol, and there is a real definition, the processor independent code will have arranged for us to see the real definition first, and we can just use the same value. */ - if (h->weakdef != NULL) + if (h->u.weakdef != NULL) { - BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined - || h->weakdef->root.type == bfd_link_hash_defweak); - h->root.u.def.section = h->weakdef->root.u.def.section; - h->root.u.def.value = h->weakdef->root.u.def.value; + BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined + || h->u.weakdef->root.type == bfd_link_hash_defweak); + h->root.u.def.section = h->u.weakdef->root.u.def.section; + h->root.u.def.value = h->u.weakdef->root.u.def.value; return TRUE; } @@ -1498,7 +1517,7 @@ elf32_sparc_adjust_dynamic_symbol (info, h) /* If there are no references to this symbol that do not use the GOT, we don't need to generate a copy reloc. */ - if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0) + if (!h->non_got_ref) return TRUE; eh = (struct elf32_sparc_link_hash_entry *) h; @@ -1513,7 +1532,7 @@ elf32_sparc_adjust_dynamic_symbol (info, h) we'll be keeping the dynamic relocs and avoiding the copy reloc. */ if (p == NULL) { - h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF; + h->non_got_ref = 0; return TRUE; } @@ -1533,8 +1552,8 @@ elf32_sparc_adjust_dynamic_symbol (info, h) .rel.bss section we are going to use. */ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) { - htab->srelbss->_raw_size += sizeof (Elf32_External_Rela); - h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY; + htab->srelbss->size += sizeof (Elf32_External_Rela); + h->needs_copy = 1; } /* We need to figure out the alignment required for this symbol. I @@ -1545,8 +1564,7 @@ elf32_sparc_adjust_dynamic_symbol (info, h) /* Apply the required alignment. */ s = htab->sdynbss; - s->_raw_size = BFD_ALIGN (s->_raw_size, - (bfd_size_type) (1 << power_of_two)); + s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two)); if (power_of_two > bfd_get_section_alignment (dynobj, s)) { if (! bfd_set_section_alignment (dynobj, s, power_of_two)) @@ -1555,25 +1573,14 @@ elf32_sparc_adjust_dynamic_symbol (info, h) /* Define the symbol as being at this point in the section. */ h->root.u.def.section = s; - h->root.u.def.value = s->_raw_size; + h->root.u.def.value = s->size; /* Increment the section size to make room for the symbol. */ - s->_raw_size += h->size; + s->size += h->size; return TRUE; } -/* This is the condition under which finish_dynamic_symbol will be called - from elflink.h. If elflink.h doesn't call our finish_dynamic_symbol - routine, we'll need to do something about initializing any .plt and .got - entries in relocate_section. */ -#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \ - ((DYN) \ - && ((INFO)->shared \ - || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \ - && ((H)->dynindx != -1 \ - || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)) - /* Allocate space in .plt, .got and associated reloc sections for dynamic relocs. */ @@ -1605,28 +1612,28 @@ allocate_dynrelocs (h, inf) /* Make sure this symbol is output as a dynamic symbol. Undefined weak syms won't yet be marked as dynamic. */ if (h->dynindx == -1 - && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) + && !h->forced_local) { - if (! bfd_elf32_link_record_dynamic_symbol (info, h)) + if (! bfd_elf_link_record_dynamic_symbol (info, h)) return FALSE; } - if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h)) + if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h)) { asection *s = htab->splt; /* The first four entries in .plt are reserved. */ - if (s->_raw_size == 0) - s->_raw_size = 4 * PLT_ENTRY_SIZE; + if (s->size == 0) + s->size = 4 * PLT_ENTRY_SIZE; /* The procedure linkage table has a maximum size. */ - if (s->_raw_size >= 0x400000) + if (s->size >= 0x400000) { bfd_set_error (bfd_error_bad_value); return FALSE; } - h->plt.offset = s->_raw_size; + h->plt.offset = s->size; /* If this symbol is not defined in a regular file, and we are not generating a shared library, then set the symbol to this @@ -1634,28 +1641,28 @@ allocate_dynrelocs (h, inf) pointers compare as equal between the normal executable and the shared library. */ if (! info->shared - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) + && !h->def_regular) { h->root.u.def.section = s; h->root.u.def.value = h->plt.offset; } /* Make room for this entry. */ - s->_raw_size += PLT_ENTRY_SIZE; + s->size += PLT_ENTRY_SIZE; /* We also need to make an entry in the .rela.plt section. */ - htab->srelplt->_raw_size += sizeof (Elf32_External_Rela); + htab->srelplt->size += sizeof (Elf32_External_Rela); } else { h->plt.offset = (bfd_vma) -1; - h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; + h->needs_plt = 0; } } else { h->plt.offset = (bfd_vma) -1; - h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; + h->needs_plt = 0; } /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary, @@ -1674,29 +1681,29 @@ allocate_dynrelocs (h, inf) /* Make sure this symbol is output as a dynamic symbol. Undefined weak syms won't yet be marked as dynamic. */ if (h->dynindx == -1 - && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) + && !h->forced_local) { - if (! bfd_elf32_link_record_dynamic_symbol (info, h)) + if (! bfd_elf_link_record_dynamic_symbol (info, h)) return FALSE; } s = htab->sgot; - h->got.offset = s->_raw_size; - s->_raw_size += 4; + h->got.offset = s->size; + s->size += 4; /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */ if (tls_type == GOT_TLS_GD) - s->_raw_size += 4; + s->size += 4; dyn = htab->elf.dynamic_sections_created; /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation, R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if global. */ if ((tls_type == GOT_TLS_GD && h->dynindx == -1) || tls_type == GOT_TLS_IE) - htab->srelgot->_raw_size += sizeof (Elf32_External_Rela); + htab->srelgot->size += sizeof (Elf32_External_Rela); else if (tls_type == GOT_TLS_GD) - htab->srelgot->_raw_size += 2 * sizeof (Elf32_External_Rela); - else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)) - htab->srelgot->_raw_size += sizeof (Elf32_External_Rela); + htab->srelgot->size += 2 * sizeof (Elf32_External_Rela); + else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)) + htab->srelgot->size += sizeof (Elf32_External_Rela); } else h->got.offset = (bfd_vma) -1; @@ -1713,8 +1720,8 @@ allocate_dynrelocs (h, inf) if (info->shared) { - if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0 - && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0 + if (h->def_regular + && (h->forced_local || info->symbolic)) { struct elf32_sparc_dyn_relocs **pp; @@ -1736,9 +1743,9 @@ allocate_dynrelocs (h, inf) symbols which turn out to need copy relocs or are not dynamic. */ - if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 - && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) + if (!h->non_got_ref + && ((h->def_dynamic + && !h->def_regular) || (htab->elf.dynamic_sections_created && (h->root.type == bfd_link_hash_undefweak || h->root.type == bfd_link_hash_undefined)))) @@ -1746,9 +1753,9 @@ allocate_dynrelocs (h, inf) /* Make sure this symbol is output as a dynamic symbol. Undefined weak syms won't yet be marked as dynamic. */ if (h->dynindx == -1 - && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) + && !h->forced_local) { - if (! bfd_elf32_link_record_dynamic_symbol (info, h)) + if (! bfd_elf_link_record_dynamic_symbol (info, h)) return FALSE; } @@ -1767,7 +1774,7 @@ allocate_dynrelocs (h, inf) for (p = eh->dyn_relocs; p != NULL; p = p->next) { asection *sreloc = elf_section_data (p->sec)->sreloc; - sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela); + sreloc->size += p->count * sizeof (Elf32_External_Rela); } return TRUE; @@ -1804,6 +1811,23 @@ readonly_dynrelocs (h, inf) return TRUE; } +/* Return true if the dynamic symbol for a given section should be + omitted when creating a shared library. */ + +static bfd_boolean +elf32_sparc_omit_section_dynsym (bfd *output_bfd, + struct bfd_link_info *info, + asection *p) +{ + /* We keep the .got section symbol so that explicit relocations + against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode + can be turned into relocations against the .got symbol. */ + if (strcmp (p->name, ".got") == 0) + return FALSE; + + return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p); +} + /* Set the sizes of the dynamic sections. */ static bfd_boolean @@ -1827,7 +1851,7 @@ elf32_sparc_size_dynamic_sections (output_bfd, info) { s = bfd_get_section_by_name (dynobj, ".interp"); BFD_ASSERT (s != NULL); - s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER; + s->size = sizeof ELF_DYNAMIC_INTERPRETER; s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; } } @@ -1866,7 +1890,7 @@ elf32_sparc_size_dynamic_sections (output_bfd, info) else if (p->count != 0) { srel = elf_section_data (p->sec)->sreloc; - srel->_raw_size += p->count * sizeof (Elf32_External_Rela); + srel->size += p->count * sizeof (Elf32_External_Rela); if ((p->sec->output_section->flags & SEC_READONLY) != 0) info->flags |= DF_TEXTREL; } @@ -1887,14 +1911,14 @@ elf32_sparc_size_dynamic_sections (output_bfd, info) { if (*local_got > 0) { - *local_got = s->_raw_size; - s->_raw_size += 4; + *local_got = s->size; + s->size += 4; if (*local_tls_type == GOT_TLS_GD) - s->_raw_size += 4; + s->size += 4; if (info->shared || *local_tls_type == GOT_TLS_GD || *local_tls_type == GOT_TLS_IE) - srel->_raw_size += sizeof (Elf32_External_Rela); + srel->size += sizeof (Elf32_External_Rela); } else *local_got = (bfd_vma) -1; @@ -1905,9 +1929,9 @@ elf32_sparc_size_dynamic_sections (output_bfd, info) { /* Allocate 2 got entries and 1 dynamic reloc for R_SPARC_TLS_LDM_{HI22,LO10} relocs. */ - htab->tls_ldm_got.offset = htab->sgot->_raw_size; - htab->sgot->_raw_size += 8; - htab->srelgot->_raw_size += sizeof (Elf32_External_Rela); + htab->tls_ldm_got.offset = htab->sgot->size; + htab->sgot->size += 8; + htab->srelgot->size += sizeof (Elf32_External_Rela); } else htab->tls_ldm_got.offset = -1; @@ -1919,13 +1943,13 @@ elf32_sparc_size_dynamic_sections (output_bfd, info) if (elf_hash_table (info)->dynamic_sections_created) { /* Make space for the trailing nop in .plt. */ - if (htab->splt->_raw_size > 0) - htab->splt->_raw_size += 4; + if (htab->splt->size > 0) + htab->splt->size += 4; /* If the .got section is more than 0x1000 bytes, we add 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13 bit relocations have a greater chance of working. */ - if (htab->sgot->_raw_size >= 0x1000 + if (htab->sgot->size >= 0x1000 && elf_hash_table (info)->hgot->root.u.def.value == 0) elf_hash_table (info)->hgot->root.u.def.value = 0x1000; } @@ -1947,7 +1971,7 @@ elf32_sparc_size_dynamic_sections (output_bfd, info) if (strncmp (name, ".rela", 5) == 0) { - if (s->_raw_size == 0) + if (s->size == 0) { /* If we don't need this section, strip it from the output file. This is to handle .rela.bss and @@ -1985,8 +2009,8 @@ elf32_sparc_size_dynamic_sections (output_bfd, info) are written out, but at the moment this does not happen. Thus in order to prevent writing out garbage, we initialise the section's contents to zero. */ - s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size); - if (s->contents == NULL && s->_raw_size != 0) + s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); + if (s->contents == NULL && s->size != 0) return FALSE; } @@ -1998,7 +2022,7 @@ elf32_sparc_size_dynamic_sections (output_bfd, info) the .dynamic section. The DT_DEBUG entry is filled in by the dynamic linker and used by the debugger. */ #define add_dynamic_entry(TAG, VAL) \ - bfd_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL)) + _bfd_elf_add_dynamic_entry (info, TAG, VAL) if (info->executable) { @@ -2006,7 +2030,7 @@ elf32_sparc_size_dynamic_sections (output_bfd, info) return FALSE; } - if (htab->srelplt->_raw_size != 0) + if (htab->srelplt->size != 0) { if (!add_dynamic_entry (DT_PLTGOT, 0) || !add_dynamic_entry (DT_PLTRELSZ, 0) @@ -2082,10 +2106,10 @@ static bfd_vma dtpoff_base (info) struct bfd_link_info *info; { - /* If tls_segment is NULL, we should have signalled an error already. */ - if (elf_hash_table (info)->tls_segment == NULL) + /* If tls_sec is NULL, we should have signalled an error already. */ + if (elf_hash_table (info)->tls_sec == NULL) return 0; - return elf_hash_table (info)->tls_segment->start; + return elf_hash_table (info)->tls_sec->vma; } /* Return the relocation value for @tpoff relocation @@ -2096,14 +2120,12 @@ tpoff (info, address) struct bfd_link_info *info; bfd_vma address; { - struct elf_link_tls_segment *tls_segment - = elf_hash_table (info)->tls_segment; + struct elf_link_hash_table *htab = elf_hash_table (info); - /* If tls_segment is NULL, we should have signalled an error already. */ - if (tls_segment == NULL) + /* If tls_sec is NULL, we should have signalled an error already. */ + if (htab->tls_sec == NULL) return 0; - return -(align_power (tls_segment->size, tls_segment->align) - + tls_segment->start - address); + return address - htab->tls_size - htab->tls_sec->vma; } /* Relocate a SPARC ELF section. */ @@ -2182,16 +2204,16 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, { sym = local_syms + r_symndx; sec = local_sections[r_symndx]; - relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel); + relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); } else { bfd_boolean warned ATTRIBUTE_UNUSED; - RELOC_FOR_GLOBAL_SYMBOL (h, sym_hashes, r_symndx, - symtab_hdr, relocation, sec, - unresolved_reloc, info, - warned); + RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, + r_symndx, symtab_hdr, sym_hashes, + h, sec, relocation, + unresolved_reloc, warned); } switch (r_type) @@ -2212,12 +2234,12 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, BFD_ASSERT (off != (bfd_vma) -1); dyn = elf_hash_table (info)->dynamic_sections_created; - if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h) + if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) || (info->shared && (info->symbolic || h->dynindx == -1 - || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)) - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))) + || h->forced_local) + && h->def_regular)) { /* This is actually a static link, or it is a -Bsymbolic link and the symbol is defined @@ -2307,7 +2329,7 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, if (h == NULL) break; - if (h->plt.offset == (bfd_vma) -1) + if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL) { /* We didn't make a PLT entry for this symbol. This happens when statically linking PIC code, or when @@ -2315,9 +2337,6 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, break; } - if (htab->splt == NULL) - abort (); - relocation = (htab->splt->output_section->vma + htab->splt->output_offset + h->plt.offset); @@ -2361,20 +2380,20 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, break; if ((info->shared + && (h == NULL + || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT + || h->root.type != bfd_link_hash_undefweak) && (! howto->pc_relative || (h != NULL && h->dynindx != -1 && (! info->symbolic - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)))) + || !h->def_regular)))) || (!info->shared && h != NULL && h->dynindx != -1 - && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 - && (((h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0) + && !h->non_got_ref + && ((h->def_dynamic + && !h->def_regular) || h->root.type == bfd_link_hash_undefweak || h->root.type == bfd_link_hash_undefined))) { @@ -2439,8 +2458,7 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, become local. */ else if (h != NULL && ! is_plt && ((! info->symbolic && h->dynindx != -1) - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)) + || !h->def_regular)) { BFD_ASSERT (h->dynindx != -1); outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); @@ -2459,16 +2477,8 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, if (is_plt) sec = htab->splt; - else if (h == NULL) - sec = local_sections[r_symndx]; - else - { - BFD_ASSERT (h->root.type == bfd_link_hash_defined - || (h->root.type - == bfd_link_hash_defweak)); - sec = h->root.u.def.section; - } - if (sec != NULL && bfd_is_abs_section (sec)) + + if (bfd_is_abs_section (sec)) indx = 0; else if (sec == NULL || sec->owner == NULL) { @@ -2488,8 +2498,8 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, { BFD_FAIL (); (*_bfd_error_handler) - (_("%s: probably compiled without -fPIC?"), - bfd_archive_filename (input_bfd)); + (_("%B: probably compiled without -fPIC?"), + input_bfd); bfd_set_error (bfd_error_bad_value); return FALSE; } @@ -2844,11 +2854,11 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, not process them. */ if (unresolved_reloc && !((input_section->flags & SEC_DEBUGGING) != 0 - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0)) + && h->def_dynamic)) (*_bfd_error_handler) - (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"), - bfd_archive_filename (input_bfd), - bfd_get_section_name (input_bfd, input_section), + (_("%B(%A+0x%lx): unresolvable relocation against symbol `%s'"), + input_bfd, + input_section, (long) rel->r_offset, h->root.root.string); @@ -2913,7 +2923,7 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, } else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30) && sec_do_relax (input_section) - && rel->r_offset + 4 < input_section->_raw_size) + && rel->r_offset + 4 < input_section->size) { #define G0 0 #define O7 15 @@ -3018,7 +3028,7 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, const char *name; if (h != NULL) - name = h->root.root.string; + name = NULL; else { name = bfd_elf_string_from_elf_section (input_bfd, @@ -3030,8 +3040,9 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, name = bfd_section_name (input_bfd, sec); } if (! ((*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, rel->r_offset))) + (info, (h ? &h->root : NULL), name, howto->name, + (bfd_vma) 0, input_bfd, input_section, + rel->r_offset))) return FALSE; } break; @@ -3095,7 +3106,7 @@ elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym) loc += (h->plt.offset / PLT_ENTRY_SIZE - 4) * sizeof (Elf32_External_Rela); bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) + if (!h->def_regular) { /* Mark the symbol as undefined, rather than as defined in the .plt section. Leave the value alone. */ @@ -3104,8 +3115,7 @@ elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym) Otherwise, the PLT entry would provide a definition for the symbol even if the symbol wasn't defined anywhere, and so the symbol would never be NULL. */ - if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK) - == 0) + if (!h->ref_regular_nonweak) sym->st_value = 0; } } @@ -3137,7 +3147,7 @@ elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym) initialized in the relocate_section function. */ if (info->shared && (info->symbolic || h->dynindx == -1) - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) + && h->def_regular) { asection *sec = h->root.u.def.section; rela.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE); @@ -3158,7 +3168,7 @@ elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym) bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); } - if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0) + if (h->needs_copy) { asection *s; Elf_Internal_Rela rela; @@ -3215,7 +3225,7 @@ elf32_sparc_finish_dynamic_sections (output_bfd, info) BFD_ASSERT (splt != NULL && sdyn != NULL); dyncon = (Elf32_External_Dyn *) sdyn->contents; - dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size); + dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); for (; dyncon < dynconend; dyncon++) { Elf_Internal_Dyn dyn; @@ -3244,12 +3254,7 @@ elf32_sparc_finish_dynamic_sections (output_bfd, info) if (! size) dyn.d_un.d_ptr = s->vma; else - { - if (s->_cooked_size != 0) - dyn.d_un.d_val = s->_cooked_size; - else - dyn.d_un.d_val = s->_raw_size; - } + dyn.d_un.d_val = s->size; } bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); } @@ -3257,20 +3262,19 @@ elf32_sparc_finish_dynamic_sections (output_bfd, info) /* Clear the first four entries in the procedure linkage table, and put a nop in the last four bytes. */ - if (splt->_raw_size > 0) + if (splt->size > 0) { memset (splt->contents, 0, 4 * PLT_ENTRY_SIZE); bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, - splt->contents + splt->_raw_size - 4); + splt->contents + splt->size - 4); } - elf_section_data (splt->output_section)->this_hdr.sh_entsize = - PLT_ENTRY_SIZE; + elf_section_data (splt->output_section)->this_hdr.sh_entsize = 0; } /* Set the first entry in the global offset table to the address of the dynamic section. */ - if (htab->sgot && htab->sgot->_raw_size > 0) + if (htab->sgot && htab->sgot->size > 0) { if (sdyn == NULL) bfd_put_32 (output_bfd, (bfd_vma) 0, htab->sgot->contents); @@ -3302,6 +3306,7 @@ elf32_sparc_merge_private_bfd_data (ibfd, obfd) bfd *obfd; { bfd_boolean error; + unsigned long ibfd_mach; /* FIXME: This should not be static. */ static unsigned long previous_ibfd_e_flags = (unsigned long) -1; @@ -3311,17 +3316,17 @@ elf32_sparc_merge_private_bfd_data (ibfd, obfd) error = FALSE; - if (bfd_get_mach (ibfd) >= bfd_mach_sparc_v9) + ibfd_mach = bfd_get_mach (ibfd); + if (bfd_mach_sparc_64bit_p (ibfd_mach)) { error = TRUE; (*_bfd_error_handler) - (_("%s: compiled for a 64 bit system and target is 32 bit"), - bfd_archive_filename (ibfd)); + (_("%B: compiled for a 64 bit system and target is 32 bit"), ibfd); } else if ((ibfd->flags & DYNAMIC) == 0) { - if (bfd_get_mach (obfd) < bfd_get_mach (ibfd)) - bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd)); + if (bfd_get_mach (obfd) < ibfd_mach) + bfd_set_arch_mach (obfd, bfd_arch_sparc, ibfd_mach); } if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA) @@ -3329,8 +3334,7 @@ elf32_sparc_merge_private_bfd_data (ibfd, obfd) && previous_ibfd_e_flags != (unsigned long) -1) { (*_bfd_error_handler) - (_("%s: linking little endian files with big endian files"), - bfd_archive_filename (ibfd)); + (_("%B: linking little endian files with big endian files"), ibfd); error = TRUE; } previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA; @@ -3350,15 +3354,6 @@ static bfd_boolean elf32_sparc_object_p (abfd) bfd *abfd; { - /* Allocate our special target data. */ - struct elf32_sparc_obj_tdata *new_tdata; - bfd_size_type amt = sizeof (struct elf32_sparc_obj_tdata); - new_tdata = bfd_zalloc (abfd, amt); - if (new_tdata == NULL) - return FALSE; - new_tdata->root = *abfd->tdata.elf_obj_data; - abfd->tdata.any = new_tdata; - if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS) { if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3) @@ -3391,6 +3386,8 @@ elf32_sparc_final_write_processing (abfd, linker) switch (bfd_get_mach (abfd)) { case bfd_mach_sparc : + case bfd_mach_sparc_sparclet : + case bfd_mach_sparc_sparclite : break; /* nothing to do */ case bfd_mach_sparc_v8plus : elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS; @@ -3409,7 +3406,6 @@ elf32_sparc_final_write_processing (abfd, linker) | EF_SPARC_SUN_US3; break; case bfd_mach_sparc_sparclite_le : - elf_elfheader (abfd)->e_machine = EM_SPARC; elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA; break; default : @@ -3434,6 +3430,17 @@ elf32_sparc_reloc_type_class (rela) return reloc_class_normal; } } + +/* Return address for Ith PLT stub in section PLT, for relocation REL + or (bfd_vma) -1 if it should not be included. */ + +static bfd_vma +elf32_sparc_plt_sym_val (bfd_vma i ATTRIBUTE_UNUSED, + const asection *plt ATTRIBUTE_UNUSED, + const arelent *rel) +{ + return rel->address; +} #define TARGET_BIG_SYM bfd_elf32_sparc_vec #define TARGET_BIG_NAME "elf32-sparc" @@ -3455,6 +3462,7 @@ elf32_sparc_reloc_type_class (rela) #define elf_backend_check_relocs elf32_sparc_check_relocs #define elf_backend_adjust_dynamic_symbol \ elf32_sparc_adjust_dynamic_symbol +#define elf_backend_omit_section_dynsym elf32_sparc_omit_section_dynsym #define elf_backend_size_dynamic_sections \ elf32_sparc_size_dynamic_sections #define elf_backend_relocate_section elf32_sparc_relocate_section @@ -3470,7 +3478,9 @@ elf32_sparc_reloc_type_class (rela) elf32_sparc_final_write_processing #define elf_backend_gc_mark_hook elf32_sparc_gc_mark_hook #define elf_backend_gc_sweep_hook elf32_sparc_gc_sweep_hook +#define elf_backend_grok_psinfo elf32_sparc_grok_psinfo #define elf_backend_reloc_type_class elf32_sparc_reloc_type_class +#define elf_backend_plt_sym_val elf32_sparc_plt_sym_val #define elf_backend_can_gc_sections 1 #define elf_backend_can_refcount 1 @@ -3478,7 +3488,6 @@ elf32_sparc_reloc_type_class (rela) #define elf_backend_plt_readonly 0 #define elf_backend_want_plt_sym 1 #define elf_backend_got_header_size 4 -#define elf_backend_plt_header_size (4*PLT_ENTRY_SIZE) #define elf_backend_rela_normal 1 #include "elf32-target.h"