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* elflink.h (elf_gc_sections): Warn when gc-sections option is ignored.

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* elf32-h8300.c (elf32_h8_gc_mark_hook): New function.
	(elf32_h8_gc_sweep_hook): New function.
	(elf_backend_gc_mark_hook): Define.
	(elf_backend_gc_sweep_hook): Define.
	(elf_backend_can_gc_sections): Define.
This commit is contained in:
Alan Modra 2004-01-01 10:01:45 +00:00
parent b13797763f
commit 2627de8318
3 changed files with 60 additions and 4 deletions
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13
bfd/ChangeLog
View File

@ -1,3 +1,12 @@
2004-01-01 Grant Edwards <grante@visi.com>
* elflink.h (elf_gc_sections): Warn when gc-sections option is ignored.
* elf32-h8300.c (elf32_h8_gc_mark_hook): New function.
(elf32_h8_gc_sweep_hook): New function.
(elf_backend_gc_mark_hook): Define.
(elf_backend_gc_sweep_hook): Define.
(elf_backend_can_gc_sections): Define.
2003-12-19 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
Adfd m32r-linux and PIC support. Add new ABI that uses RELA.
@ -105,7 +114,7 @@
* peXXigen.c (_bfd_XXi_swap_scnhdr_out): Ensure that correct flags
are set on known section types.
2003-12-12 Nick Clifton <nickc@redhat.com>
* po/ro.po: Updated translation.
@ -210,7 +219,7 @@
* bfd-in2.h: Regenerate.
* cpu-m32r.c : Add new machine type.
* elf32-m32r.c (m32r_elf_object_p, m32r_elf_final_write_processing,
m32r_elf_merge_private_bfd_data): Add support for new machine
m32r_elf_merge_private_bfd_data): Add support for new machine
type.
2003-12-03 Dave Airlie <airlied@linux.ie>

46
bfd/elf32-h8300.c
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@ -1,5 +1,5 @@
/* BFD back-end for Renesas H8/300 ELF binaries.
Copyright 1993, 1995, 1998, 1999, 2001, 2002, 2003
Copyright 1993, 1995, 1998, 1999, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@ -47,6 +47,11 @@ static bfd_boolean elf32_h8_symbol_address_p
static bfd_byte *elf32_h8_get_relocated_section_contents
(bfd *, struct bfd_link_info *, struct bfd_link_order *,
bfd_byte *, bfd_boolean, asymbol **);
static asection * elf32_h8_gc_mark_hook
(asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *, Elf_Internal_Sym *);
static bfd_boolean elf32_h8_gc_sweep_hook
(bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
static bfd_reloc_status_type elf32_h8_final_link_relocate
(unsigned long, bfd *, bfd *, asection *,
bfd_byte *, bfd_vma, bfd_vma, bfd_vma,
@ -1428,6 +1433,42 @@ elf32_h8_get_relocated_section_contents (bfd *output_bfd,
return NULL;
}
static asection *
elf32_h8_gc_mark_hook (asection *sec,
struct bfd_link_info *info ATTRIBUTE_UNUSED,
Elf_Internal_Rela *rel ATTRIBUTE_UNUSED,
struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym)
{
if (h != NULL)
{
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
return bfd_section_from_elf_index(sec->owner, sym->st_shndx);
return NULL;
}
static bfd_boolean
elf32_h8_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;
}
#define TARGET_BIG_SYM bfd_elf32_h8300_vec
#define TARGET_BIG_NAME "elf32-h8300"
@ -1446,6 +1487,8 @@ elf32_h8_get_relocated_section_contents (bfd *output_bfd,
elf32_h8_object_p
#define bfd_elf32_bfd_merge_private_bfd_data \
elf32_h8_merge_private_bfd_data
#define elf_backend_gc_mark_hook elf32_h8_gc_mark_hook
#define elf_backend_gc_sweep_hook elf32_h8_gc_sweep_hook
/* ??? when elf_backend_relocate_section is not defined, elf32-target.h
defaults to using _bfd_generic_link_hash_table_create, but
@ -1457,6 +1500,7 @@ elf32_h8_get_relocated_section_contents (bfd *output_bfd,
/* Use an H8 specific linker, not the ELF generic linker. */
#define elf_backend_relocate_section elf32_h8_relocate_section
#define elf_backend_rela_normal 1
#define elf_backend_can_gc_sections 1
/* And relaxing stuff. */
#define bfd_elf32_bfd_relax_section elf32_h8_relax_section

5
bfd/elflink.h
View File

@ -5801,7 +5801,10 @@ elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
|| info->emitrelocations
|| !is_elf_hash_table (info->hash)
|| elf_hash_table (info)->dynamic_sections_created)
return TRUE;
{
(*_bfd_error_handler)(_("Warning: gc-sections option ignored"));
return TRUE;
}
/* Apply transitive closure to the vtable entry usage info. */
elf_link_hash_traverse (elf_hash_table (info),