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* elf32-m68hc11.c (elf32_m68hc11_gc_mark_hook): New for section GC.

Browse Source 
(elf32_m68hc11_gc_sweep_hook): Likewise.
	(elf_backend_gc_mark_hook): Define for GC section support.
	(elf_backend_gc_sweep_hook): Likewise.
	(elf_backend_can_gc_sections): Likewise.

	* elf32-m68hc12.c: Likewise.
This commit is contained in:
Stephane Carrez
2002-08-13 21:15:47 +00:00
parent 7a897be4b1
commit 9b701e4403
3 changed files with 136 additions and 1 deletions
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10
bfd/ChangeLog
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@ -1,3 +1,13 @@
2002-08-13 Stephane Carrez <stcarrez@nerim.fr>
* elf32-m68hc11.c (elf32_m68hc11_gc_mark_hook): New for section GC.
(elf32_m68hc11_gc_sweep_hook): Likewise.
(elf_backend_gc_mark_hook): Define for GC section support.
(elf_backend_gc_sweep_hook): Likewise.
(elf_backend_can_gc_sections): Likewise.
* elf32-m68hc12.c: Likewise.
2002-08-13 Stephane Carrez <stcarrez@nerim.fr> 2002-08-13 Stephane Carrez <stcarrez@nerim.fr>
* elf32-m68hc11.c (_bfd_m68hc11_elf_print_private_bfd_data): New. * elf32-m68hc11.c (_bfd_m68hc11_elf_print_private_bfd_data): New.

64
bfd/elf32-m68hc11.c
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@ -35,6 +35,15 @@ PARAMS ((bfd *abfd, arelent *reloc_entry,
asymbol *symbol, PTR data, asection *input_section, asymbol *symbol, PTR data, asection *input_section,
bfd *output_bfd, char **error_message)); bfd *output_bfd, char **error_message));
/* GC mark and sweep. */
static asection *elf32_m68hc11_gc_mark_hook
PARAMS ((bfd *abfd, struct bfd_link_info *info,
Elf_Internal_Rela *rel, struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym));
static boolean elf32_m68hc11_gc_sweep_hook
PARAMS ((bfd *abfd, struct bfd_link_info *info,
asection *sec, const Elf_Internal_Rela *relocs));
boolean _bfd_m68hc11_elf_merge_private_bfd_data PARAMS ((bfd*, bfd*)); boolean _bfd_m68hc11_elf_merge_private_bfd_data PARAMS ((bfd*, bfd*));
boolean _bfd_m68hc11_elf_set_private_flags PARAMS ((bfd*, flagword)); boolean _bfd_m68hc11_elf_set_private_flags PARAMS ((bfd*, flagword));
boolean _bfd_m68hc11_elf_print_private_bfd_data PARAMS ((bfd*, PTR)); boolean _bfd_m68hc11_elf_print_private_bfd_data PARAMS ((bfd*, PTR));
@ -379,6 +388,57 @@ m68hc11_info_to_howto_rel (abfd, cache_ptr, dst)
cache_ptr->howto = &elf_m68hc11_howto_table[r_type]; cache_ptr->howto = &elf_m68hc11_howto_table[r_type];
} }
static asection *
elf32_m68hc11_gc_mark_hook (abfd, info, rel, h, sym)
bfd *abfd;
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 (abfd)
&& 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 (abfd, sym->st_shndx);
}
}
return NULL;
}
static boolean
elf32_m68hc11_gc_sweep_hook (abfd, info, sec, relocs)
bfd *abfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info ATTRIBUTE_UNUSED;
asection *sec ATTRIBUTE_UNUSED;
const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
{
/* We don't use got and plt entries for 68hc11/68hc12. */
return true;
}
/* Set and control ELF flags in ELF header. */ /* Set and control ELF flags in ELF header. */
@ -522,9 +582,11 @@ _bfd_m68hc11_elf_print_private_bfd_data (abfd, ptr)
#define elf_info_to_howto 0 #define elf_info_to_howto 0
#define elf_info_to_howto_rel m68hc11_info_to_howto_rel #define elf_info_to_howto_rel m68hc11_info_to_howto_rel
#define elf_backend_gc_mark_hook elf32_m68hc11_gc_mark_hook
#define elf_backend_gc_sweep_hook elf32_m68hc11_gc_sweep_hook
#define elf_backend_object_p 0 #define elf_backend_object_p 0
#define elf_backend_final_write_processing 0 #define elf_backend_final_write_processing 0
#define elf_backend_can_gc_sections 1
#define bfd_elf32_bfd_merge_private_bfd_data \ #define bfd_elf32_bfd_merge_private_bfd_data \
_bfd_m68hc11_elf_merge_private_bfd_data _bfd_m68hc11_elf_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags _bfd_m68hc11_elf_set_private_flags #define bfd_elf32_bfd_set_private_flags _bfd_m68hc11_elf_set_private_flags

63
bfd/elf32-m68hc12.c
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@ -41,6 +41,15 @@ static int m68hc12_addr_is_banked PARAMS ((bfd_vma));
static bfd_vma m68hc12_phys_addr PARAMS ((bfd_vma)); static bfd_vma m68hc12_phys_addr PARAMS ((bfd_vma));
static bfd_vma m68hc12_phys_page PARAMS ((bfd_vma)); static bfd_vma m68hc12_phys_page PARAMS ((bfd_vma));
/* GC mark and sweep. */
static asection *elf32_m68hc11_gc_mark_hook
PARAMS ((bfd *abfd, struct bfd_link_info *info,
Elf_Internal_Rela *rel, struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym));
static boolean elf32_m68hc11_gc_sweep_hook
PARAMS ((bfd *abfd, struct bfd_link_info *info,
asection *sec, const Elf_Internal_Rela *relocs));
boolean _bfd_m68hc12_elf_merge_private_bfd_data PARAMS ((bfd*, bfd*)); boolean _bfd_m68hc12_elf_merge_private_bfd_data PARAMS ((bfd*, bfd*));
boolean _bfd_m68hc12_elf_set_private_flags PARAMS ((bfd*, flagword)); boolean _bfd_m68hc12_elf_set_private_flags PARAMS ((bfd*, flagword));
boolean _bfd_m68hc12_elf_print_private_bfd_data PARAMS ((bfd*, PTR)); boolean _bfd_m68hc12_elf_print_private_bfd_data PARAMS ((bfd*, PTR));
@ -582,6 +591,57 @@ m68hc11_info_to_howto_rel (abfd, cache_ptr, dst)
cache_ptr->howto = &elf_m68hc11_howto_table[r_type]; cache_ptr->howto = &elf_m68hc11_howto_table[r_type];
} }
static asection *
elf32_m68hc11_gc_mark_hook (abfd, info, rel, h, sym)
bfd *abfd;
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 (abfd)
&& 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 (abfd, sym->st_shndx);
}
}
return NULL;
}
static boolean
elf32_m68hc11_gc_sweep_hook (abfd, info, sec, relocs)
bfd *abfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info ATTRIBUTE_UNUSED;
asection *sec ATTRIBUTE_UNUSED;
const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
{
/* We don't use got and plt entries for 68hc11/68hc12. */
return true;
}
/* Set and control ELF flags in ELF header. */ /* Set and control ELF flags in ELF header. */
@ -720,8 +780,11 @@ _bfd_m68hc12_elf_print_private_bfd_data (abfd, ptr)
#define elf_info_to_howto 0 #define elf_info_to_howto 0
#define elf_info_to_howto_rel m68hc11_info_to_howto_rel #define elf_info_to_howto_rel m68hc11_info_to_howto_rel
#define elf_backend_gc_mark_hook elf32_m68hc11_gc_mark_hook
#define elf_backend_gc_sweep_hook elf32_m68hc11_gc_sweep_hook
#define elf_backend_object_p 0 #define elf_backend_object_p 0
#define elf_backend_final_write_processing 0 #define elf_backend_final_write_processing 0
#define elf_backend_can_gc_sections 1
#define bfd_elf32_bfd_merge_private_bfd_data \ #define bfd_elf32_bfd_merge_private_bfd_data \
_bfd_m68hc12_elf_merge_private_bfd_data _bfd_m68hc12_elf_merge_private_bfd_data