/* MeP-specific support for 32-bit ELF.
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
r_type = ELF32_R_TYPE (dst->r_info);
cache_ptr->howto = & mep_elf_howto_table [r_type];
}
-
-/* Look through the relocs for a section during the first phase.
- Since we don't do .gots or .plts, we just need to consider the
- virtual table relocs for gc. */
-
-static bfd_boolean
-mep_elf_check_relocs
- (bfd * abfd,
- struct bfd_link_info * info,
- asection * sec,
- const Elf_Internal_Rela * relocs)
-{
- Elf_Internal_Shdr * symtab_hdr;
- struct elf_link_hash_entry ** sym_hashes;
- struct elf_link_hash_entry ** sym_hashes_end;
- const Elf_Internal_Rela * rel;
- const Elf_Internal_Rela * rel_end;
-
- if (info->relocatable)
- return TRUE;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf32_External_Sym);
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
-
- rel_end = relocs + sec->reloc_count;
- for (rel = relocs; rel < rel_end; rel++)
- {
- struct elf_link_hash_entry *h;
- unsigned long r_symndx;
-
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
- else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- }
- return TRUE;
-}
-
\f
/* Relocate a MEP ELF section.
There is some attempt to make this function usable for many architectures,
int r_type;
r_type = ELF32_R_TYPE (rel->r_info);
-
r_symndx = ELF32_R_SYM (rel->r_info);
-
- /* Is this a complex relocation? */
- if (!info->relocatable && ELF32_R_TYPE (rel->r_info) == R_RELC)
- {
- bfd_elf_perform_complex_relocation (output_bfd, info,
- input_bfd, input_section, contents,
- rel, local_syms, local_sections);
- continue;
- }
-
howto = mep_elf_howto_table + ELF32_R_TYPE (rel->r_info);
h = NULL;
sym = NULL;
name = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
-#if 0
- fprintf (stderr, "local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x\n",
- sec->name, name, sym->st_name,
- sec->output_section->vma, sec->output_offset,
- sym->st_value, rel->r_addend);
-#endif
}
else
{
- relocation = 0;
- h = sym_hashes [r_symndx];
+ bfd_boolean warned, unresolved_reloc;
- 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;
+ RELOC_FOR_GLOBAL_SYMBOL(info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
name = h->root.root.string;
-
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- {
- sec = h->root.u.def.section;
- relocation = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
-#if 0
- fprintf (stderr,
- "defined: sec: %s, name: %s, value: %x + %x + %x gives: %x\n",
- sec->name, name, h->root.u.def.value,
- sec->output_section->vma, sec->output_offset, relocation);
-#endif
- }
- else if (h->root.type == bfd_link_hash_undefweak)
- {
-#if 0
- fprintf (stderr, "undefined: sec: %s, name: %s\n",
- sec->name, name);
-#endif
- }
- else if (!info->relocatable)
- {
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd,
- input_section, rel->r_offset,
- (!info->shared && info->unresolved_syms_in_objects == RM_GENERATE_ERROR))))
- return FALSE;
-#if 0
- fprintf (stderr, "unknown: name: %s\n", name);
-#endif
- }
}
if (sec != NULL && elf_discarded_section (sec))
}
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. */
- if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- rel->r_addend += sec->output_offset;
- continue;
- }
+ continue;
- switch (r_type)
- {
- default:
- r = mep_final_link_relocate (howto, input_bfd, input_section,
- contents, rel, relocation);
- break;
- }
+ if (r_type == R_RELC)
+ r = bfd_elf_perform_complex_relocation (input_bfd, input_section,
+ contents, rel, relocation);
+ else
+ r = mep_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel, relocation);
if (r != bfd_reloc_ok)
{
return TRUE;
}
-\f
-
-/* Update the got entry reference counts for the section being
- removed. */
-
-static bfd_boolean
-mep_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;
-}
-
-/* Return the section that should be marked against GC for a given
- relocation. */
-
-static asection *
-mep_elf_gc_mark_hook
- (asection * sec,
- struct bfd_link_info * info ATTRIBUTE_UNUSED,
- Elf_Internal_Rela * rel,
- struct elf_link_hash_entry * h,
- Elf_Internal_Sym * sym)
-{
- if (h != NULL)
- {
- switch (ELF32_R_TYPE (rel->r_info))
- {
- 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;
- }
- }
- }
- else
- {
- if (!(elf_bad_symtab (sec->owner)
- && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
- && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
- && sym->st_shndx != SHN_COMMON))
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
- }
-
- return NULL;
-}
-
\f
/* Function to set the ELF flag bits. */
{
"basic"
/* start-mepcfgtool */
- ,"simple"
- ,"fmax"
+ ,"default"
/* end-mepcfgtool */
};
_bfd_elf_print_private_bfd_data (abfd, ptr);
flags = elf_elfheader (abfd)->e_flags;
- fprintf (file, _("private flags = 0x%lx"), (long)flags);
+ fprintf (file, _("private flags = 0x%lx"), (unsigned long) flags);
partial_flags = (flags & EF_MEP_CPU_MASK) >> 24;
if (partial_flags < ARRAY_SIZE (core_names))
case EF_MEP_CPU_C2: return bfd_mach_mep;
case EF_MEP_CPU_C3: return bfd_mach_mep;
case EF_MEP_CPU_C4: return bfd_mach_mep;
+ case EF_MEP_CPU_C5: return bfd_mach_mep_c5;
case EF_MEP_CPU_H1: return bfd_mach_mep_h1;
}
static bfd_boolean
mep_elf_object_p (bfd * abfd)
{
- /* Irix 5 and 6 is broken. Object file symbol tables are not always
- sorted correctly such that local symbols preceed global symbols,
- and the sh_info field in the symbol table is not always right. */
- /* This is needed for the RELC support code. */
- elf_bad_symtab (abfd) = TRUE;
bfd_default_set_arch_mach (abfd, bfd_arch_mep, elf32_mep_machine (abfd));
return TRUE;
}
#define elf_info_to_howto_rel NULL
#define elf_info_to_howto mep_info_to_howto_rela
#define elf_backend_relocate_section mep_elf_relocate_section
-#define elf_backend_gc_mark_hook mep_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook mep_elf_gc_sweep_hook
-#define elf_backend_check_relocs mep_elf_check_relocs
#define elf_backend_object_p mep_elf_object_p
#define elf_backend_section_flags mep_elf_section_flags
#define elf_backend_fake_sections mep_elf_fake_sections
-#define elf_backend_can_gc_sections 1
-
#define bfd_elf32_bfd_reloc_type_lookup mep_reloc_type_lookup
-#define bfd_elf32_bfd_reloc_name_lookup mep_reloc_name_lookup
+#define bfd_elf32_bfd_reloc_name_lookup mep_reloc_name_lookup
#define bfd_elf32_bfd_set_private_flags mep_elf_set_private_flags
#define bfd_elf32_bfd_copy_private_bfd_data mep_elf_copy_private_bfd_data
#define bfd_elf32_bfd_merge_private_bfd_data mep_elf_merge_private_bfd_data
#define bfd_elf32_bfd_print_private_bfd_data mep_elf_print_private_bfd_data
-/* We use only the RELA entries. */
-#define USE_RELA
+#define elf_backend_rela_normal 1
#include "elf32-target.h"
projects / msp430-binutils.git / blobdiff