X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Felf64-sh64.c;h=d9632191d1646bbe77411fcb58ffaa0770b1bab6;hb=05bbf0164a4b3a78ee6d2d575a10800fdf1af5b0;hp=10a9396e95b3d94142362761fa61417b25a6a17f;hpb=df3ce959f4f4598f73c4e02f45e65ad1fd6f4f7c;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf64-sh64.c b/bfd/elf64-sh64.c index 10a9396e95..d9632191d1 100644 --- a/bfd/elf64-sh64.c +++ b/bfd/elf64-sh64.c @@ -1,6 +1,5 @@ /* SuperH SH64-specific support for 64-bit ELF - Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, - 2010, 2011, 2012 Free Software Foundation, Inc. + Copyright (C) 2000-2016 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -54,7 +53,7 @@ #define elf_sh64_plt_symbol_offset(info) 0 /* Return offset of the relocation in PLT entry. */ -#define elf_sh64_plt_reloc_offset(info) (info->shared ? 52 : 44) +#define elf_sh64_plt_reloc_offset(info) (bfd_link_pic (info) ? 52 : 44) #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" @@ -106,7 +105,7 @@ static reloc_howto_type sh_elf64_howto_table[] = { /* No relocation. */ HOWTO (R_SH_NONE, /* type */ 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ + 3, /* size (0 = byte, 1 = short, 2 = long) */ 0, /* bitsize */ FALSE, /* pc_relative */ 0, /* bitpos */ @@ -1509,15 +1508,15 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, datalabel processing here. Make sure this does not change without notice. */ if ((sym->st_other & STO_SH5_ISA32) != 0) - ((*info->callbacks->reloc_dangerous) - (info, - _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), - input_bfd, input_section, rel->r_offset)); + (*info->callbacks->reloc_dangerous) + (info, + _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), + input_bfd, input_section, rel->r_offset); if (sec != NULL && discarded_section (sec)) /* Handled below. */ ; - else if (info->relocatable) + else if (bfd_link_relocatable (info)) { /* This is a relocatable link. We don't have to change anything, unless the reloc is against a section symbol, @@ -1593,7 +1592,7 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, || r_type == R_SH_GOT_MEDHI16 || r_type == R_SH_GOT_HI16) && elf_hash_table (info)->dynamic_sections_created - && (! info->shared + && (! bfd_link_pic (info) || (! info->symbolic && h->dynindx != -1) || !h->def_regular)) /* The cases above are those in which relocation is @@ -1601,7 +1600,7 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, below are those in which we must defer relocation to run-time, because we can't resolve absolute addresses when creating a shared library. */ - || (info->shared + || (bfd_link_pic (info) && ((! info->symbolic && h->dynindx != -1) || !h->def_regular) && ((r_type == R_SH_64 @@ -1630,7 +1629,7 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, STT_DATALABEL on the way to it. */ | ((h->other & STO_SH5_ISA32) != 0 && ! seen_stt_datalabel)); - else if (!info->relocatable + else if (!bfd_link_relocatable (info) && (_bfd_elf_section_offset (output_bfd, info, input_section, rel->r_offset) @@ -1650,22 +1649,19 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, else if (info->unresolved_syms_in_objects == RM_IGNORE && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) ; - else if (!info->relocatable) - { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, rel->r_offset, - (info->unresolved_syms_in_objects == RM_GENERATE_ERROR - || ELF_ST_VISIBILITY (h->other))))) - return FALSE; - } + else if (!bfd_link_relocatable (info)) + (*info->callbacks->undefined_symbol) + (info, h->root.root.string, input_bfd, + input_section, rel->r_offset, + (info->unresolved_syms_in_objects == RM_GENERATE_ERROR + || ELF_ST_VISIBILITY (h->other))); } if (sec != NULL && discarded_section (sec)) RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, rel, 1, relend, howto, 0, contents); - if (info->relocatable) + if (bfd_link_relocatable (info)) continue; disp = (relocation @@ -1692,7 +1688,7 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, { case R_SH_64: case R_SH_64_PCREL: - if (info->shared + if (bfd_link_pic (info) && (input_section->flags & SEC_ALLOC) != 0 && (r_type != R_SH_64_PCREL || (h != NULL @@ -1786,7 +1782,7 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, if (h == NULL || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN - || ! info->shared + || ! bfd_link_pic (info) || info->symbolic || h->dynindx == -1 || h->plt.offset == (bfd_vma) -1 @@ -1839,7 +1835,7 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, BFD_ASSERT (off != (bfd_vma) -1); if (! elf_hash_table (info)->dynamic_sections_created - || (info->shared + || (bfd_link_pic (info) && (info->symbolic || h->dynindx == -1 || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) @@ -1908,7 +1904,7 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, { bfd_put_64 (output_bfd, relocation, sgot->contents + off); - if (info->shared) + if (bfd_link_pic (info)) { asection *s; Elf_Internal_Rela outrel; @@ -2082,11 +2078,9 @@ sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, if (*name == '\0') name = bfd_section_name (input_bfd, sec); } - if (! ((*info->callbacks->reloc_overflow) - (info, (h ? &h->root : NULL), name, howto->name, - (bfd_vma) 0, input_bfd, input_section, - rel->r_offset))) - return FALSE; + (*info->callbacks->reloc_overflow) + (info, (h ? &h->root : NULL), name, howto->name, + (bfd_vma) 0, input_bfd, input_section, rel->r_offset); } break; } @@ -2260,34 +2254,13 @@ sh_elf64_set_private_flags (bfd *abfd, flagword flags) static bfd_boolean sh_elf64_copy_private_data_internal (bfd *ibfd, bfd *obfd) { - Elf_Internal_Shdr **o_shdrp; - asection *isec; - asection *osec; - if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour || bfd_get_flavour (obfd) != bfd_target_elf_flavour) return TRUE; - o_shdrp = elf_elfsections (obfd); - for (osec = obfd->sections; osec; osec = osec->next) - { - int oIndex = ((struct bfd_elf_section_data *) elf_section_data (osec))->this_idx; - for (isec = ibfd->sections; isec; isec = isec->next) - { - if (strcmp (osec->name, isec->name) == 0) - { - /* Note that we're not disallowing mixing data and code. */ - if ((elf_section_data (isec)->this_hdr.sh_flags - & SHF_SH5_ISA32) != 0) - o_shdrp[oIndex]->sh_flags |= SHF_SH5_ISA32; - break; - } - } - } - /* Copy object attributes. */ _bfd_elf_copy_private_bfd_data (ibfd, obfd); - + return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags); } @@ -2400,7 +2373,7 @@ sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info, srelgot = NULL; sreloc = NULL; - if (info->relocatable) + if (bfd_link_relocatable (info)) return TRUE; symtab_hdr = &elf_tdata (abfd)->symtab_hdr; @@ -2499,7 +2472,7 @@ sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info, } if (srelgot == NULL - && (h != NULL || info->shared)) + && (h != NULL || bfd_link_pic (info))) { srelgot = bfd_get_linker_section (dynobj, ".rela.got"); if (srelgot == NULL) @@ -2591,7 +2564,7 @@ sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info, local_got_offsets[r_symndx] = sgot->size; } - if (info->shared) + if (bfd_link_pic (info)) { /* If we are generating a shared object, we need to output a R_SH_RELATIVE reloc so that the dynamic @@ -2616,7 +2589,7 @@ sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info, if (h == NULL || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN - || ! info->shared + || ! bfd_link_pic (info) || info->symbolic || h->dynindx == -1 || h->got.offset != (bfd_vma) -1) @@ -2674,7 +2647,7 @@ sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info, later (it is never cleared). We account for that possibility below by storing information in the pcrel_relocs_copied field of the hash table entry. */ - if (info->shared + if (bfd_link_pic (info) && (sec->flags & SEC_ALLOC) != 0 && (ELF32_R_TYPE (rel->r_info) != R_SH_64_PCREL || (h != NULL @@ -2785,7 +2758,7 @@ sh64_elf64_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, right, and tweak the name when it's output. Otherwise, we make an indirect symbol of it. */ flagword flags - = info->relocatable || info->emitrelocations + = bfd_link_relocatable (info) || info->emitrelocations ? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT; char *dl_name @@ -2829,9 +2802,9 @@ sh64_elf64_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, free (dl_name); if (h->type != STT_DATALABEL - || ((info->relocatable || info->emitrelocations) + || ((bfd_link_relocatable (info) || info->emitrelocations) && h->root.type != bfd_link_hash_undefined) - || (! info->relocatable && !info->emitrelocations + || (! bfd_link_relocatable (info) && !info->emitrelocations && h->root.type != bfd_link_hash_indirect)) { /* Make sure we don't get confused on invalid input. */ @@ -2875,7 +2848,7 @@ sh64_elf64_link_output_symbol_hook (struct bfd_link_info *info, { char *name = (char *) cname; - if (info->relocatable || info->emitrelocations) + if (bfd_link_relocatable (info) || info->emitrelocations) { if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL) name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0; @@ -3183,7 +3156,7 @@ sh64_elf64_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) h->type = STT_OBJECT; elf_hash_table (info)->hplt = h; - if (info->shared + if (bfd_link_pic (info) && ! bfd_elf_link_record_dynamic_symbol (info, h)) return FALSE; } @@ -3223,7 +3196,7 @@ sh64_elf64_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) be needed, we can discard it later. We will never need this section when generating a shared object, since they do not use copy relocs. */ - if (! info->shared) + if (! bfd_link_pic (info)) { s = bfd_make_section_anyway_with_flags (abfd, (bed->default_use_rela_p @@ -3267,7 +3240,7 @@ sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info, if (h->type == STT_FUNC || h->needs_plt) { - if (! info->shared + if (! bfd_link_pic (info) && !h->def_dynamic && !h->ref_dynamic) { @@ -3300,7 +3273,7 @@ sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info, location in the .plt. This is required to make function pointers compare as equal between the normal executable and the shared library. */ - if (! info->shared + if (! bfd_link_pic (info) && !h->def_regular) { h->root.u.def.section = s; @@ -3347,7 +3320,7 @@ sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info, only references to the symbol are via the global offset table. For such cases we need not do anything here; the relocations will be handled correctly by relocate_section. */ - if (info->shared) + if (bfd_link_pic (info)) return TRUE; /* If there are no references to this symbol that do not use the @@ -3382,7 +3355,7 @@ sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info, h->needs_copy = 1; } - return _bfd_elf_adjust_dynamic_copy (h, s); + return _bfd_elf_adjust_dynamic_copy (info, h, s); } /* This function is called via sh_elf_link_hash_traverse if we are @@ -3426,7 +3399,7 @@ sh64_elf64_size_dynamic_sections (bfd *output_bfd, if (elf_hash_table (info)->dynamic_sections_created) { /* Set the contents of the .interp section to the interpreter. */ - if (info->executable) + if (bfd_link_executable (info) && !info->nointerp) { s = bfd_get_linker_section (dynobj, ".interp"); BFD_ASSERT (s != NULL); @@ -3450,7 +3423,7 @@ sh64_elf64_size_dynamic_sections (bfd *output_bfd, PC relative relocs against symbols defined in a regular object. We allocated space for them in the check_relocs routine, but we will not fill them in in the relocate_section routine. */ - if (info->shared && info->symbolic) + if (bfd_link_pic (info) && info->symbolic) sh64_elf64_link_hash_traverse (elf_hash_table (info), sh64_elf64_discard_copies, NULL); @@ -3547,7 +3520,7 @@ sh64_elf64_size_dynamic_sections (bfd *output_bfd, must add the entries now so that we get the correct size for the .dynamic section. The DT_DEBUG entry is filled in by the dynamic linker and used by the debugger. */ - if (info->executable) + if (bfd_link_executable (info)) { if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0)) return FALSE; @@ -3626,11 +3599,11 @@ sh64_elf64_finish_dynamic_symbol (bfd *output_bfd, The first three are reserved. */ got_offset = (plt_index + 3) * 8; - if (info->shared) + if (bfd_link_pic (info)) got_offset -= GOT_BIAS; /* Fill in the entry in the procedure linkage table. */ - if (! info->shared) + if (! bfd_link_pic (info)) { if (elf_sh64_plt_entry == NULL) { @@ -3669,7 +3642,7 @@ sh64_elf64_finish_dynamic_symbol (bfd *output_bfd, + elf_sh64_plt_symbol_offset (info))); } - if (info->shared) + if (bfd_link_pic (info)) got_offset += GOT_BIAS; movi_shori_putval (output_bfd, @@ -3726,7 +3699,7 @@ sh64_elf64_finish_dynamic_symbol (bfd *output_bfd, the symbol was forced to be local because of a version file. The entry in the global offset table will already have been initialized in the relocate_section function. */ - if (info->shared + if (bfd_link_pic (info) && (info->symbolic || h->dynindx == -1) && h->def_regular) { @@ -3839,21 +3812,19 @@ sh64_elf64_finish_dynamic_sections (bfd *output_bfd, break; case DT_PLTGOT: - name = ".got"; + name = ".got.plt"; goto get_vma; case DT_JMPREL: name = ".rela.plt"; get_vma: - s = bfd_get_section_by_name (output_bfd, name); - BFD_ASSERT (s != NULL); - dyn.d_un.d_ptr = s->vma; + s = bfd_get_linker_section (dynobj, name); + dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); break; case DT_PLTRELSZ: - s = bfd_get_section_by_name (output_bfd, ".rela.plt"); - BFD_ASSERT (s != NULL); + s = bfd_get_linker_section (dynobj, ".rela.plt"); dyn.d_un.d_val = s->size; bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); break; @@ -3868,7 +3839,7 @@ sh64_elf64_finish_dynamic_sections (bfd *output_bfd, the linker script arranges for .rela.plt to follow all other relocation sections, we don't have to worry about changing the DT_RELA entry. */ - s = bfd_get_section_by_name (output_bfd, ".rela.plt"); + s = bfd_get_linker_section (dynobj, ".rela.plt"); if (s != NULL) dyn.d_un.d_val -= s->size; bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); @@ -3880,7 +3851,7 @@ sh64_elf64_finish_dynamic_sections (bfd *output_bfd, splt = bfd_get_linker_section (dynobj, ".plt"); if (splt && splt->size > 0) { - if (info->shared) + if (bfd_link_pic (info)) { if (elf_sh64_pic_plt_entry == NULL) { @@ -3958,9 +3929,9 @@ static const struct bfd_elf_special_section sh64_elf64_special_sections[]= { NULL, 0, 0, 0, 0 } }; -#define TARGET_BIG_SYM bfd_elf64_sh64_vec +#define TARGET_BIG_SYM sh64_elf64_vec #define TARGET_BIG_NAME "elf64-sh64" -#define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec +#define TARGET_LITTLE_SYM sh64_elf64_le_vec #define TARGET_LITTLE_NAME "elf64-sh64l" #define ELF_ARCH bfd_arch_sh #define ELF_MACHINE_CODE EM_SH @@ -4030,11 +4001,11 @@ static const struct bfd_elf_special_section sh64_elf64_special_sections[]= /* NetBSD support. */ #undef TARGET_BIG_SYM -#define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec +#define TARGET_BIG_SYM sh64_elf64_nbsd_vec #undef TARGET_BIG_NAME #define TARGET_BIG_NAME "elf64-sh64-nbsd" #undef TARGET_LITTLE_SYM -#define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec +#define TARGET_LITTLE_SYM sh64_elf64_nbsd_le_vec #undef TARGET_LITTLE_NAME #define TARGET_LITTLE_NAME "elf64-sh64l-nbsd" #undef ELF_MAXPAGESIZE @@ -4048,11 +4019,11 @@ static const struct bfd_elf_special_section sh64_elf64_special_sections[]= /* Linux support. */ #undef TARGET_BIG_SYM -#define TARGET_BIG_SYM bfd_elf64_sh64blin_vec +#define TARGET_BIG_SYM sh64_elf64_linux_be_vec #undef TARGET_BIG_NAME #define TARGET_BIG_NAME "elf64-sh64big-linux" #undef TARGET_LITTLE_SYM -#define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec +#define TARGET_LITTLE_SYM sh64_elf64_linux_vec #undef TARGET_LITTLE_NAME #define TARGET_LITTLE_NAME "elf64-sh64-linux" #undef elf64_bed