diff options
Diffstat (limited to 'bfd/elf32-sh.c')
| -rw-r--r-- | bfd/elf32-sh.c | 70 |
1 files changed, 36 insertions, 34 deletions
diff --git a/bfd/elf32-sh.c b/bfd/elf32-sh.c index 8e53056f332..07b069e719f 100644 --- a/bfd/elf32-sh.c +++ b/bfd/elf32-sh.c @@ -1,6 +1,6 @@ /* Renesas / SuperH SH specific support for 32-bit ELF Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, - 2006 Free Software Foundation, Inc. + 2006, 2007 Free Software Foundation, Inc. Contributed by Ian Lance Taylor, Cygnus Support. This file is part of BFD, the Binary File Descriptor library. @@ -3240,13 +3240,16 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, (info, _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), input_bfd, input_section, rel->r_offset)); - if (info->relocatable) + + if (sec != NULL && elf_discarded_section (sec)) + /* Handled below. */ + ; + else if (info->relocatable) { /* This is a relocatable link. We don't have to change anything, unless the reloc is against a section symbol, in which case we have to adjust according to where the section symbol winds up in the output section. */ - sym = local_syms + r_symndx; if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) { if (! howto->partial_inplace) @@ -3255,7 +3258,7 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, relocation, we need just to update the addend. All real relocs are of type partial_inplace; this code is mostly for completeness. */ - rel->r_addend += sec->output_offset + sym->st_value; + rel->r_addend += sec->output_offset; continue; } @@ -3310,12 +3313,7 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, { /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */ - /* Section symbol are never (?) placed in the hash table, so - we can just ignore hash relocations when creating a - relocatable object file. */ - if (info->relocatable) - continue; - + relocation = 0; h = sym_hashes[r_symndx - symtab_hdr->sh_info]; while (h->root.type == bfd_link_hash_indirect || h->root.type == bfd_link_hash_warning) @@ -3386,8 +3384,17 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, || (sec->output_section == NULL && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD))) - relocation = 0; - else if (sec->output_section == NULL) + ; + else if (sec->output_section != NULL) + relocation = ((h->root.u.def.value + + sec->output_section->vma + + sec->output_offset) + /* A STO_SH5_ISA32 causes a "bitor 1" to the + symbol value, unless we've seen + STT_DATALABEL on the way to it. */ + | ((h->other & STO_SH5_ISA32) != 0 + && ! seen_stt_datalabel)); + else if (!info->relocatable) { (*_bfd_error_handler) (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), @@ -3398,22 +3405,13 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, h->root.root.string); return FALSE; } - else - relocation = ((h->root.u.def.value - + sec->output_section->vma - + sec->output_offset) - /* A STO_SH5_ISA32 causes a "bitor 1" to the - symbol value, unless we've seen - STT_DATALABEL on the way to it. */ - | ((h->other & STO_SH5_ISA32) != 0 - && ! seen_stt_datalabel)); } else if (h->root.type == bfd_link_hash_undefweak) - relocation = 0; + ; else if (info->unresolved_syms_in_objects == RM_IGNORE && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) - relocation = 0; - else + ; + else if (!info->relocatable) { if (! info->callbacks->undefined_symbol (info, h->root.root.string, input_bfd, @@ -3421,10 +3419,23 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, (info->unresolved_syms_in_objects == RM_GENERATE_ERROR || ELF_ST_VISIBILITY (h->other)))) return FALSE; - relocation = 0; } } + if (sec != NULL && elf_discarded_section (sec)) + { + /* For relocs against symbols from removed linkonce sections, + or sections discarded by a linker script, we just want the + section contents zeroed. Avoid any special processing. */ + _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); + rel->r_info = 0; + rel->r_addend = 0; + continue; + } + + if (info->relocatable) + continue; + switch ((int) r_type) { final_link_relocate: @@ -3557,15 +3568,6 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, case R_SH_IMM_MEDHI16_PCREL: case R_SH_IMM_HI16_PCREL: #endif - /* r_symndx will be zero only for relocs against symbols - from removed linkonce sections, or sections discarded by - a linker script. */ - if (r_symndx == 0) - { - _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); - continue; - } - if (info->shared && (h == NULL || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |