diff options
Diffstat (limited to 'bfd/elf32-openrisc.c')
| -rw-r--r-- | bfd/elf32-openrisc.c | 95 |
1 files changed, 48 insertions, 47 deletions
diff --git a/bfd/elf32-openrisc.c b/bfd/elf32-openrisc.c index b3d67bb82cf2..f0b780b05915 100644 --- a/bfd/elf32-openrisc.c +++ b/bfd/elf32-openrisc.c @@ -1,5 +1,6 @@ /* OpenRISC-specific support for 32-bit ELF. - Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007 + Free Software Foundation, Inc. Contributed by Johan Rydberg, jrydberg@opencores.org This file is part of BFD, the Binary File Descriptor library. @@ -19,8 +20,8 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #include "elf-bfd.h" #include "elf/openrisc.h" @@ -191,9 +192,9 @@ static const struct openrisc_reloc_map openrisc_reloc_map[] = { BFD_RELOC_32, R_OPENRISC_32 }, { BFD_RELOC_16, R_OPENRISC_16 }, { BFD_RELOC_8, R_OPENRISC_8 }, - { BFD_RELOC_OPENRISC_REL_26,R_OPENRISC_INSN_REL_26 }, - { BFD_RELOC_OPENRISC_ABS_26,R_OPENRISC_INSN_ABS_26 }, - { BFD_RELOC_HI16, R_OPENRISC_HI_16_IN_INSN }, + { BFD_RELOC_OPENRISC_REL_26, R_OPENRISC_INSN_REL_26 }, + { BFD_RELOC_OPENRISC_ABS_26, R_OPENRISC_INSN_ABS_26 }, + { BFD_RELOC_HI16, R_OPENRISC_HI_16_IN_INSN }, { BFD_RELOC_LO16, R_OPENRISC_LO_16_IN_INSN }, { BFD_RELOC_VTABLE_INHERIT, R_OPENRISC_GNU_VTINHERIT }, { BFD_RELOC_VTABLE_ENTRY, R_OPENRISC_GNU_VTENTRY } @@ -213,6 +214,23 @@ openrisc_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, return NULL; } +static reloc_howto_type * +openrisc_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < (sizeof (openrisc_elf_howto_table) + / sizeof (openrisc_elf_howto_table[0])); + i++) + if (openrisc_elf_howto_table[i].name != NULL + && strcasecmp (openrisc_elf_howto_table[i].name, r_name) == 0) + return &openrisc_elf_howto_table[i]; + + return NULL; +} + /* Set the howto pointer for an OpenRISC ELF reloc. */ static void @@ -303,9 +321,6 @@ openrisc_elf_relocate_section (bfd *output_bfd, Elf_Internal_Rela *rel; Elf_Internal_Rela *relend; - if (info->relocatable) - return TRUE; - symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; sym_hashes = elf_sym_hashes (input_bfd); relend = relocs + input_section->reloc_count; @@ -333,7 +348,6 @@ openrisc_elf_relocate_section (bfd *output_bfd, (sizeof openrisc_elf_howto_table / sizeof (reloc_howto_type))) abort (); - /* This is a final link. */ howto = openrisc_elf_howto_table + ELF32_R_TYPE (rel->r_info); h = NULL; sym = NULL; @@ -359,6 +373,20 @@ openrisc_elf_relocate_section (bfd *output_bfd, unresolved_reloc, warned); } + 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; + r = openrisc_final_link_relocate (howto, input_bfd, input_section, contents, rel, relocation); @@ -413,47 +441,20 @@ openrisc_elf_relocate_section (bfd *output_bfd, static asection * openrisc_elf_gc_mark_hook (asection *sec, - struct bfd_link_info *info ATTRIBUTE_UNUSED, + struct bfd_link_info *info, Elf_Internal_Rela *rel, struct elf_link_hash_entry *h, Elf_Internal_Sym *sym) { - if (h == NULL) - return bfd_section_from_elf_index (sec->owner, sym->st_shndx); - - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_OPENRISC_GNU_VTINHERIT: - case R_OPENRISC_GNU_VTENTRY: - break; - - default: - switch (h->root.type) - { - case bfd_link_hash_defined: - case bfd_link_hash_defweak: - return h->root.u.def.section; - - case bfd_link_hash_common: - return h->root.u.c.p->section; - - default: - break; - } - } - - return NULL; -} - -/* Update the got entry reference counts for the section being removed. */ - -static bfd_boolean -openrisc_elf_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED, - struct bfd_link_info *info ATTRIBUTE_UNUSED, - asection *sec ATTRIBUTE_UNUSED, - const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED) -{ - return TRUE; + if (h != NULL) + switch (ELF32_R_TYPE (rel->r_info)) + { + case R_OPENRISC_GNU_VTINHERIT: + case R_OPENRISC_GNU_VTENTRY: + return NULL; + } + + return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); } /* Look through the relocs for a section during the first phase. @@ -560,13 +561,13 @@ openrisc_elf_final_write_processing (bfd *abfd, #define elf_info_to_howto openrisc_info_to_howto_rela #define elf_backend_relocate_section openrisc_elf_relocate_section #define elf_backend_gc_mark_hook openrisc_elf_gc_mark_hook -#define elf_backend_gc_sweep_hook openrisc_elf_gc_sweep_hook #define elf_backend_check_relocs openrisc_elf_check_relocs #define elf_backend_can_gc_sections 1 #define elf_backend_rela_normal 1 #define bfd_elf32_bfd_reloc_type_lookup openrisc_reloc_type_lookup +#define bfd_elf32_bfd_reloc_name_lookup openrisc_reloc_name_lookup #define elf_backend_object_p openrisc_elf_object_p #define elf_backend_final_write_processing openrisc_elf_final_write_processing |