#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/h8.h"
static reloc_howto_type *elf32_h8_reloc_type_lookup
(bfd *abfd, bfd_reloc_code_real_type code);
static void elf32_h8_info_to_howto
(bfd *, arelent *, Elf_Internal_Rela *);
static void elf32_h8_info_to_howto_rel
(bfd *, arelent *, Elf_Internal_Rela *);
static unsigned long elf32_h8_mach (flagword);
static void elf32_h8_final_write_processing (bfd *, bfd_boolean);
static bfd_boolean elf32_h8_object_p (bfd *);
static bfd_boolean elf32_h8_merge_private_bfd_data (bfd *, bfd *);
static bfd_boolean elf32_h8_relax_section
(bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
static bfd_boolean elf32_h8_relax_delete_bytes
(bfd *, asection *, bfd_vma, int);
static bfd_boolean elf32_h8_symbol_address_p (bfd *, asection *, bfd_vma);
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,
struct bfd_link_info *, asection *, int);
static bfd_boolean elf32_h8_relocate_section
(bfd *, struct bfd_link_info *, bfd *, asection *,
bfd_byte *, Elf_Internal_Rela *,
Elf_Internal_Sym *, asection **);
static bfd_reloc_status_type special
(bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **);
static reloc_howto_type h8_elf_howto_table[] = {
#define R_H8_NONE_X 0
HOWTO (R_H8_NONE,
0,
0,
0,
FALSE,
0,
complain_overflow_dont,
special,
"R_H8_NONE",
FALSE,
0,
0,
FALSE),
#define R_H8_DIR32_X (R_H8_NONE_X + 1)
HOWTO (R_H8_DIR32,
0,
2,
32,
FALSE,
0,
complain_overflow_dont,
special,
"R_H8_DIR32",
FALSE,
0,
0xffffffff,
FALSE),
#define R_H8_DIR16_X (R_H8_DIR32_X + 1)
HOWTO (R_H8_DIR16,
0,
1,
16,
FALSE,
0,
complain_overflow_dont,
special,
"R_H8_DIR16",
FALSE,
0,
0x0000ffff,
FALSE),
#define R_H8_DIR8_X (R_H8_DIR16_X + 1)
HOWTO (R_H8_DIR8,
0,
0,
8,
FALSE,
0,
complain_overflow_dont,
special,
"R_H8_DIR8",
FALSE,
0,
0x000000ff,
FALSE),
#define R_H8_DIR16A8_X (R_H8_DIR8_X + 1)
HOWTO (R_H8_DIR16A8,
0,
1,
16,
FALSE,
0,
complain_overflow_bitfield,
special,
"R_H8_DIR16A8",
FALSE,
0,
0x0000ffff,
FALSE),
#define R_H8_DIR16R8_X (R_H8_DIR16A8_X + 1)
HOWTO (R_H8_DIR16R8,
0,
1,
16,
FALSE,
0,
complain_overflow_bitfield,
special,
"R_H8_DIR16R8",
FALSE,
0,
0x0000ffff,
FALSE),
#define R_H8_DIR24A8_X (R_H8_DIR16R8_X + 1)
HOWTO (R_H8_DIR24A8,
0,
2,
24,
FALSE,
0,
complain_overflow_bitfield,
special,
"R_H8_DIR24A8",
TRUE,
0xff000000,
0x00ffffff,
FALSE),
#define R_H8_DIR24R8_X (R_H8_DIR24A8_X + 1)
HOWTO (R_H8_DIR24R8,
0,
2,
24,
FALSE,
0,
complain_overflow_bitfield,
special,
"R_H8_DIR24R8",
TRUE,
0xff000000,
0x00ffffff,
FALSE),
#define R_H8_DIR32A16_X (R_H8_DIR24R8_X + 1)
HOWTO (R_H8_DIR32A16,
0,
2,
32,
FALSE,
0,
complain_overflow_dont,
special,
"R_H8_DIR32A16",
FALSE,
0,
0xffffffff,
FALSE),
#define R_H8_PCREL16_X (R_H8_DIR32A16_X + 1)
HOWTO (R_H8_PCREL16,
0,
1,
16,
TRUE,
0,
complain_overflow_signed,
special,
"R_H8_PCREL16",
FALSE,
0xffff,
0xffff,
TRUE),
#define R_H8_PCREL8_X (R_H8_PCREL16_X + 1)
HOWTO (R_H8_PCREL8,
0,
0,
8,
TRUE,
0,
complain_overflow_signed,
special,
"R_H8_PCREL8",
FALSE,
0xff,
0xff,
TRUE),
};
struct elf_reloc_map {
bfd_reloc_code_real_type bfd_reloc_val;
unsigned char howto_index;
};
static const struct elf_reloc_map h8_reloc_map[] = {
{ BFD_RELOC_NONE, R_H8_NONE_X },
{ BFD_RELOC_32, R_H8_DIR32_X },
{ BFD_RELOC_16, R_H8_DIR16_X },
{ BFD_RELOC_8, R_H8_DIR8_X },
{ BFD_RELOC_H8_DIR16A8, R_H8_DIR16A8_X },
{ BFD_RELOC_H8_DIR16R8, R_H8_DIR16R8_X },
{ BFD_RELOC_H8_DIR24A8, R_H8_DIR24A8_X },
{ BFD_RELOC_H8_DIR24R8, R_H8_DIR24R8_X },
{ BFD_RELOC_H8_DIR32A16, R_H8_DIR32A16_X },
{ BFD_RELOC_16_PCREL, R_H8_PCREL16_X },
{ BFD_RELOC_8_PCREL, R_H8_PCREL8_X },
};
static reloc_howto_type *
elf32_h8_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type code)
{
unsigned int i;
for (i = 0; i < sizeof (h8_reloc_map) / sizeof (struct elf_reloc_map); i++)
{
if (h8_reloc_map[i].bfd_reloc_val == code)
return &h8_elf_howto_table[(int) h8_reloc_map[i].howto_index];
}
return NULL;
}
static void
elf32_h8_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
Elf_Internal_Rela *elf_reloc)
{
unsigned int r;
unsigned int i;
r = ELF32_R_TYPE (elf_reloc->r_info);
for (i = 0; i < sizeof (h8_elf_howto_table) / sizeof (reloc_howto_type); i++)
if (h8_elf_howto_table[i].type == r)
{
bfd_reloc->howto = &h8_elf_howto_table[i];
return;
}
abort ();
}
static void
elf32_h8_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED)
{
unsigned int r;
abort ();
r = ELF32_R_TYPE (elf_reloc->r_info);
bfd_reloc->howto = &h8_elf_howto_table[r];
}
static bfd_reloc_status_type
special (bfd *abfd ATTRIBUTE_UNUSED,
arelent *reloc_entry ATTRIBUTE_UNUSED,
asymbol *symbol ATTRIBUTE_UNUSED,
PTR data ATTRIBUTE_UNUSED,
asection *input_section ATTRIBUTE_UNUSED,
bfd *output_bfd,
char **error_message ATTRIBUTE_UNUSED)
{
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
static bfd_reloc_status_type
elf32_h8_final_link_relocate (unsigned long r_type, bfd *input_bfd,
bfd *output_bfd ATTRIBUTE_UNUSED,
asection *input_section ATTRIBUTE_UNUSED,
bfd_byte *contents, bfd_vma offset,
bfd_vma value, bfd_vma addend,
struct bfd_link_info *info ATTRIBUTE_UNUSED,
asection *sym_sec ATTRIBUTE_UNUSED,
int is_local ATTRIBUTE_UNUSED)
{
bfd_byte *hit_data = contents + offset;
switch (r_type)
{
case R_H8_NONE:
return bfd_reloc_ok;
case R_H8_DIR32:
case R_H8_DIR32A16:
case R_H8_DIR24A8:
value += addend;
bfd_put_32 (input_bfd, value, hit_data);
return bfd_reloc_ok;
case R_H8_DIR16:
case R_H8_DIR16A8:
case R_H8_DIR16R8:
value += addend;
bfd_put_16 (input_bfd, value, hit_data);
return bfd_reloc_ok;
case R_H8_DIR8:
value += addend;
bfd_put_8 (input_bfd, value, hit_data);
return bfd_reloc_ok;
case R_H8_DIR24R8:
value += addend;
hit_data--;
value &= 0xffffff;
value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000);
bfd_put_32 (input_bfd, value, hit_data);
return bfd_reloc_ok;
case R_H8_PCREL16:
value -= (input_section->output_section->vma
+ input_section->output_offset);
value -= offset;
value += addend;
value -= 2;
bfd_put_16 (input_bfd, value, hit_data);
return bfd_reloc_ok;
case R_H8_PCREL8:
value -= (input_section->output_section->vma
+ input_section->output_offset);
value -= offset;
value += addend;
value -= 1;
bfd_put_8 (input_bfd, value, hit_data);
return bfd_reloc_ok;
default:
return bfd_reloc_notsupported;
}
}
static bfd_boolean
elf32_h8_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
bfd *input_bfd, asection *input_section,
bfd_byte *contents, Elf_Internal_Rela *relocs,
Elf_Internal_Sym *local_syms,
asection **local_sections)
{
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
Elf_Internal_Rela *rel, *relend;
if (info->relocatable)
return TRUE;
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
rel = relocs;
relend = relocs + input_section->reloc_count;
for (; rel < relend; rel++)
{
unsigned int r_type;
unsigned long r_symndx;
Elf_Internal_Sym *sym;
asection *sec;
struct elf_link_hash_entry *h;
bfd_vma relocation;
bfd_reloc_status_type r;
r_symndx = ELF32_R_SYM (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
h = NULL;
sym = NULL;
sec = NULL;
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
}
else
{
bfd_boolean unresolved_reloc, warned;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
unresolved_reloc, warned);
}
r = elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd,
input_section,
contents, rel->r_offset,
relocation, rel->r_addend,
info, sec, h == NULL);
if (r != bfd_reloc_ok)
{
const char *name;
const char *msg = (const char *) 0;
arelent bfd_reloc;
reloc_howto_type *howto;
elf32_h8_info_to_howto (input_bfd, &bfd_reloc, rel);
howto = bfd_reloc.howto;
if (h != NULL)
name = h->root.root.string;
else
{
name = (bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name));
if (name == NULL || *name == '\0')
name = bfd_section_name (input_bfd, sec);
}
switch (r)
{
case bfd_reloc_overflow:
if (! ((*info->callbacks->reloc_overflow)
(info, (h ? &h->root : NULL), name, howto->name,
(bfd_vma) 0, input_bfd, input_section,
rel->r_offset)))
return FALSE;
break;
case bfd_reloc_undefined:
if (! ((*info->callbacks->undefined_symbol)
(info, name, input_bfd, input_section,
rel->r_offset, TRUE)))
return FALSE;
break;
case bfd_reloc_outofrange:
msg = _("internal error: out of range error");
goto common_error;
case bfd_reloc_notsupported:
msg = _("internal error: unsupported relocation error");
goto common_error;
case bfd_reloc_dangerous:
msg = _("internal error: dangerous error");
goto common_error;
default:
msg = _("internal error: unknown error");
common_error:
if (!((*info->callbacks->warning)
(info, msg, name, input_bfd, input_section,
rel->r_offset)))
return FALSE;
break;
}
}
}
return TRUE;
}
static unsigned long
elf32_h8_mach (flagword flags)
{
switch (flags & EF_H8_MACH)
{
case E_H8_MACH_H8300:
default:
return bfd_mach_h8300;
case E_H8_MACH_H8300H:
return bfd_mach_h8300h;
case E_H8_MACH_H8300S:
return bfd_mach_h8300s;
case E_H8_MACH_H8300HN:
return bfd_mach_h8300hn;
case E_H8_MACH_H8300SN:
return bfd_mach_h8300sn;
case E_H8_MACH_H8300SX:
return bfd_mach_h8300sx;
case E_H8_MACH_H8300SXN:
return bfd_mach_h8300sxn;
}
}
static void
elf32_h8_final_write_processing (bfd *abfd,
bfd_boolean linker ATTRIBUTE_UNUSED)
{
unsigned long val;
switch (bfd_get_mach (abfd))
{
default:
case bfd_mach_h8300:
val = E_H8_MACH_H8300;
break;
case bfd_mach_h8300h:
val = E_H8_MACH_H8300H;
break;
case bfd_mach_h8300s:
val = E_H8_MACH_H8300S;
break;
case bfd_mach_h8300hn:
val = E_H8_MACH_H8300HN;
break;
case bfd_mach_h8300sn:
val = E_H8_MACH_H8300SN;
break;
case bfd_mach_h8300sx:
val = E_H8_MACH_H8300SX;
break;
case bfd_mach_h8300sxn:
val = E_H8_MACH_H8300SXN;
break;
}
elf_elfheader (abfd)->e_flags &= ~ (EF_H8_MACH);
elf_elfheader (abfd)->e_flags |= val;
}
static bfd_boolean
elf32_h8_object_p (bfd *abfd)
{
bfd_default_set_arch_mach (abfd, bfd_arch_h8300,
elf32_h8_mach (elf_elfheader (abfd)->e_flags));
return TRUE;
}
static bfd_boolean
elf32_h8_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
{
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
return TRUE;
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
&& bfd_get_mach (obfd) < bfd_get_mach (ibfd))
{
if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
bfd_get_mach (ibfd)))
return FALSE;
}
return TRUE;
}
static bfd_boolean
elf32_h8_relax_section (bfd *abfd, asection *sec,
struct bfd_link_info *link_info, bfd_boolean *again)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *internal_relocs;
Elf_Internal_Rela *irel, *irelend;
bfd_byte *contents = NULL;
Elf_Internal_Sym *isymbuf = NULL;
static asection *last_input_section = NULL;
static Elf_Internal_Rela *last_reloc = NULL;
*again = FALSE;
if (link_info->relocatable
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
|| (sec->flags & SEC_CODE) == 0)
return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
internal_relocs = (_bfd_elf_link_read_relocs
(abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
link_info->keep_memory));
if (internal_relocs == NULL)
goto error_return;
if (sec != last_input_section)
last_reloc = NULL;
last_input_section = sec;
irelend = internal_relocs + sec->reloc_count;
for (irel = internal_relocs; irel < irelend; irel++)
{
bfd_vma symval;
if (irel != internal_relocs)
last_reloc = irel - 1;
if (ELF32_R_TYPE (irel->r_info) != R_H8_DIR24R8
&& ELF32_R_TYPE (irel->r_info) != R_H8_PCREL16
&& ELF32_R_TYPE (irel->r_info) != R_H8_DIR16A8
&& ELF32_R_TYPE (irel->r_info) != R_H8_DIR24A8
&& ELF32_R_TYPE (irel->r_info) != R_H8_DIR32A16)
continue;
if (contents == NULL)
{
if (elf_section_data (sec)->this_hdr.contents != NULL)
contents = elf_section_data (sec)->this_hdr.contents;
else
{
if (!bfd_malloc_and_get_section (abfd, sec, &contents))
goto error_return;
}
}
if (isymbuf == NULL && symtab_hdr->sh_info != 0)
{
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
if (isymbuf == NULL)
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
symtab_hdr->sh_info, 0,
NULL, NULL, NULL);
if (isymbuf == NULL)
goto error_return;
}
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
{
Elf_Internal_Sym *isym;
asection *sym_sec;
isym = isymbuf + ELF32_R_SYM (irel->r_info);
sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
symval = isym->st_value;
if (sym_sec)
symval += sym_sec->output_section->vma
+ sym_sec->output_offset;
}
else
{
unsigned long indx;
struct elf_link_hash_entry *h;
indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
h = elf_sym_hashes (abfd)[indx];
BFD_ASSERT (h != NULL);
if (h->root.type != bfd_link_hash_defined
&& h->root.type != bfd_link_hash_defweak)
{
continue;
}
symval = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma
+ h->root.u.def.section->output_offset);
}
switch (ELF32_R_TYPE (irel->r_info))
{
case R_H8_DIR24R8:
{
bfd_vma value = symval + irel->r_addend;
bfd_vma dot, gap;
dot = (sec->output_section->vma
+ sec->output_offset + irel->r_offset - 1);
gap = value - dot;
if ((int) gap >= -126 && (int) gap <= 130)
{
unsigned char code;
elf_section_data (sec)->relocs = internal_relocs;
elf_section_data (sec)->this_hdr.contents = contents;
symtab_hdr->contents = (unsigned char *) isymbuf;
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
if (code == 0x5a
&& (int) gap <= 130
&& (int) gap >= -128
&& last_reloc
&& ELF32_R_TYPE (last_reloc->r_info) == R_H8_PCREL8
&& ELF32_R_SYM (last_reloc->r_info) < symtab_hdr->sh_info)
{
bfd_vma last_value;
asection *last_sym_sec;
Elf_Internal_Sym *last_sym;
last_sym = isymbuf + ELF32_R_SYM (last_reloc->r_info);
last_sym_sec
= bfd_section_from_elf_index (abfd, last_sym->st_shndx);
last_value = (last_sym->st_value
+ last_sym_sec->output_section->vma
+ last_sym_sec->output_offset);
if (last_value == dot + 4
&& last_reloc->r_offset + 2 == irel->r_offset
&& ! elf32_h8_symbol_address_p (abfd, sec, dot))
{
irel->r_info
= ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
ELF32_R_TYPE (R_H8_NONE));
last_reloc->r_info
= ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
ELF32_R_TYPE (R_H8_PCREL8));
last_reloc->r_addend = irel->r_addend;
code = bfd_get_8 (abfd,
contents + last_reloc->r_offset - 1);
code ^= 1;
bfd_put_8 (abfd,
code,
contents + last_reloc->r_offset - 1);
if (!elf32_h8_relax_delete_bytes (abfd, sec,
irel->r_offset - 1,
4))
goto error_return;
*again = TRUE;
break;
}
}
if (code == 0x5e)
bfd_put_8 (abfd, 0x55, contents + irel->r_offset - 1);
else if (code == 0x5a)
bfd_put_8 (abfd, 0x40, contents + irel->r_offset - 1);
else
abort ();
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
R_H8_PCREL8);
if (!elf32_h8_relax_delete_bytes (abfd, sec,
irel->r_offset + 1, 2))
goto error_return;
*again = TRUE;
}
break;
}
case R_H8_PCREL16:
{
bfd_vma value = symval + irel->r_addend;
bfd_vma dot;
bfd_vma gap;
dot = (sec->output_section->vma
+ sec->output_offset
+ irel->r_offset - 2);
gap = value - dot;
if ((int) gap >= -126 && (int) gap <= 130)
{
unsigned char code;
elf_section_data (sec)->relocs = internal_relocs;
elf_section_data (sec)->this_hdr.contents = contents;
symtab_hdr->contents = (unsigned char *) isymbuf;
code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
if (code == 0x58)
{
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
code &= 0xf0;
code >>= 4;
code |= 0x40;
bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
}
else if (code == 0x5c)
bfd_put_8 (abfd, 0x55, contents + irel->r_offset - 2);
else
abort ();
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
R_H8_PCREL8);
irel->r_offset--;
if (!elf32_h8_relax_delete_bytes (abfd, sec,
irel->r_offset + 1, 2))
goto error_return;
*again = TRUE;
}
break;
}
case R_H8_DIR16A8:
{
bfd_vma value;
value = bfd_h8300_pad_address (abfd, symval + irel->r_addend);
if (value >= 0xffffff00u)
{
unsigned char code;
unsigned char temp_code;
elf_section_data (sec)->relocs = internal_relocs;
elf_section_data (sec)->this_hdr.contents = contents;
symtab_hdr->contents = (unsigned char *) isymbuf;
code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
if (code != 0x6a)
abort ();
temp_code = code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
if ((temp_code & 0x10) != 0x10)
temp_code &= 0xf0;
switch (temp_code)
{
case 0x00:
bfd_put_8 (abfd, (code & 0xf) | 0x20,
contents + irel->r_offset - 2);
break;
case 0x80:
bfd_put_8 (abfd, (code & 0xf) | 0x30,
contents + irel->r_offset - 2);
break;
case 0x18:
bfd_put_8 (abfd, 0x7f, contents + irel->r_offset - 2);
break;
case 0x10:
bfd_put_8 (abfd, 0x7e, contents + irel->r_offset - 2);
break;
default:
abort ();
}
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
R_H8_DIR8);
irel->r_offset--;
if (!elf32_h8_relax_delete_bytes (abfd, sec,
irel->r_offset + 1, 2))
goto error_return;
*again = TRUE;
}
break;
}
case R_H8_DIR24A8:
{
bfd_vma value;
value = bfd_h8300_pad_address (abfd, symval + irel->r_addend);
if (value >= 0xffffff00u)
{
unsigned char code;
unsigned char temp_code;
elf_section_data (sec)->relocs = internal_relocs;
elf_section_data (sec)->this_hdr.contents = contents;
symtab_hdr->contents = (unsigned char *) isymbuf;
code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
if (code != 0x6a)
abort ();
temp_code = code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
if ((temp_code & 0x30) != 0x30)
temp_code &= 0xf0;
switch (temp_code)
{
case 0x20:
bfd_put_8 (abfd, (code & 0xf) | 0x20,
contents + irel->r_offset - 2);
break;
case 0xa0:
bfd_put_8 (abfd, (code & 0xf) | 0x30,
contents + irel->r_offset - 2);
break;
case 0x38:
bfd_put_8 (abfd, 0x7f, contents + irel->r_offset - 2);
break;
case 0x30:
bfd_put_8 (abfd, 0x7e, contents + irel->r_offset - 2);
break;
default:
abort();
}
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
R_H8_DIR8);
irel->r_offset--;
if (!elf32_h8_relax_delete_bytes (abfd, sec,
irel->r_offset + 1, 4))
goto error_return;
*again = TRUE;
break;
}
}
case R_H8_DIR32A16:
{
bfd_vma value;
value = bfd_h8300_pad_address (abfd, symval + irel->r_addend);
if (value <= 0x7fff || value >= 0xffff8000u)
{
unsigned char code;
elf_section_data (sec)->relocs = internal_relocs;
elf_section_data (sec)->this_hdr.contents = contents;
symtab_hdr->contents = (unsigned char *) isymbuf;
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
code &= ~0x20;
bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
R_H8_DIR16);
if (!elf32_h8_relax_delete_bytes (abfd, sec,
irel->r_offset + 1, 2))
goto error_return;
*again = TRUE;
}
break;
}
default:
break;
}
}
if (isymbuf != NULL
&& symtab_hdr->contents != (unsigned char *) isymbuf)
{
if (! link_info->keep_memory)
free (isymbuf);
else
symtab_hdr->contents = (unsigned char *) isymbuf;
}
if (contents != NULL
&& elf_section_data (sec)->this_hdr.contents != contents)
{
if (! link_info->keep_memory)
free (contents);
else
{
elf_section_data (sec)->this_hdr.contents = contents;
}
}
if (internal_relocs != NULL
&& elf_section_data (sec)->relocs != internal_relocs)
free (internal_relocs);
return TRUE;
error_return:
if (isymbuf != NULL
&& symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
if (contents != NULL
&& elf_section_data (sec)->this_hdr.contents != contents)
free (contents);
if (internal_relocs != NULL
&& elf_section_data (sec)->relocs != internal_relocs)
free (internal_relocs);
return FALSE;
}
static bfd_boolean
elf32_h8_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr, int count)
{
Elf_Internal_Shdr *symtab_hdr;
unsigned int sec_shndx;
bfd_byte *contents;
Elf_Internal_Rela *irel, *irelend;
Elf_Internal_Rela *irelalign;
Elf_Internal_Sym *isym;
Elf_Internal_Sym *isymend;
bfd_vma toaddr;
struct elf_link_hash_entry **sym_hashes;
struct elf_link_hash_entry **end_hashes;
unsigned int symcount;
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
contents = elf_section_data (sec)->this_hdr.contents;
irelalign = NULL;
toaddr = sec->size;
irel = elf_section_data (sec)->relocs;
irelend = irel + sec->reloc_count;
memmove (contents + addr, contents + addr + count,
(size_t) (toaddr - addr - count));
sec->size -= count;
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
{
if ((irel->r_offset > addr
&& irel->r_offset < toaddr))
irel->r_offset -= count;
}
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
isym = (Elf_Internal_Sym *) symtab_hdr->contents;
isymend = isym + symtab_hdr->sh_info;
for (; isym < isymend; isym++)
{
if (isym->st_shndx == sec_shndx
&& isym->st_value > addr
&& isym->st_value < toaddr)
isym->st_value -= count;
}
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
- symtab_hdr->sh_info);
sym_hashes = elf_sym_hashes (abfd);
end_hashes = sym_hashes + symcount;
for (; sym_hashes < end_hashes; sym_hashes++)
{
struct elf_link_hash_entry *sym_hash = *sym_hashes;
if ((sym_hash->root.type == bfd_link_hash_defined
|| sym_hash->root.type == bfd_link_hash_defweak)
&& sym_hash->root.u.def.section == sec
&& sym_hash->root.u.def.value > addr
&& sym_hash->root.u.def.value < toaddr)
{
sym_hash->root.u.def.value -= count;
}
}
return TRUE;
}
static bfd_boolean
elf32_h8_symbol_address_p (bfd *abfd, asection *sec, bfd_vma addr)
{
Elf_Internal_Shdr *symtab_hdr;
unsigned int sec_shndx;
Elf_Internal_Sym *isym;
Elf_Internal_Sym *isymend;
struct elf_link_hash_entry **sym_hashes;
struct elf_link_hash_entry **end_hashes;
unsigned int symcount;
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
isym = (Elf_Internal_Sym *) symtab_hdr->contents;
isymend = isym + symtab_hdr->sh_info;
for (; isym < isymend; isym++)
{
if (isym->st_shndx == sec_shndx
&& isym->st_value == addr)
return TRUE;
}
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
- symtab_hdr->sh_info);
sym_hashes = elf_sym_hashes (abfd);
end_hashes = sym_hashes + symcount;
for (; sym_hashes < end_hashes; sym_hashes++)
{
struct elf_link_hash_entry *sym_hash = *sym_hashes;
if ((sym_hash->root.type == bfd_link_hash_defined
|| sym_hash->root.type == bfd_link_hash_defweak)
&& sym_hash->root.u.def.section == sec
&& sym_hash->root.u.def.value == addr)
return TRUE;
}
return FALSE;
}
static bfd_byte *
elf32_h8_get_relocated_section_contents (bfd *output_bfd,
struct bfd_link_info *link_info,
struct bfd_link_order *link_order,
bfd_byte *data,
bfd_boolean relocatable,
asymbol **symbols)
{
Elf_Internal_Shdr *symtab_hdr;
asection *input_section = link_order->u.indirect.section;
bfd *input_bfd = input_section->owner;
asection **sections = NULL;
Elf_Internal_Rela *internal_relocs = NULL;
Elf_Internal_Sym *isymbuf = NULL;
if (relocatable
|| elf_section_data (input_section)->this_hdr.contents == NULL)
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
link_order, data,
relocatable,
symbols);
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
(size_t) input_section->size);
if ((input_section->flags & SEC_RELOC) != 0
&& input_section->reloc_count > 0)
{
asection **secpp;
Elf_Internal_Sym *isym, *isymend;
bfd_size_type amt;
internal_relocs = (_bfd_elf_link_read_relocs
(input_bfd, input_section, (PTR) NULL,
(Elf_Internal_Rela *) NULL, FALSE));
if (internal_relocs == NULL)
goto error_return;
if (symtab_hdr->sh_info != 0)
{
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
if (isymbuf == NULL)
isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
symtab_hdr->sh_info, 0,
NULL, NULL, NULL);
if (isymbuf == NULL)
goto error_return;
}
amt = symtab_hdr->sh_info;
amt *= sizeof (asection *);
sections = (asection **) bfd_malloc (amt);
if (sections == NULL && amt != 0)
goto error_return;
isymend = isymbuf + symtab_hdr->sh_info;
for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
{
asection *isec;
if (isym->st_shndx == SHN_UNDEF)
isec = bfd_und_section_ptr;
else if (isym->st_shndx == SHN_ABS)
isec = bfd_abs_section_ptr;
else if (isym->st_shndx == SHN_COMMON)
isec = bfd_com_section_ptr;
else
isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
*secpp = isec;
}
if (! elf32_h8_relocate_section (output_bfd, link_info, input_bfd,
input_section, data, internal_relocs,
isymbuf, sections))
goto error_return;
if (sections != NULL)
free (sections);
if (isymbuf != NULL
&& symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
if (elf_section_data (input_section)->relocs != internal_relocs)
free (internal_relocs);
}
return data;
error_return:
if (sections != NULL)
free (sections);
if (isymbuf != NULL
&& symtab_hdr->contents != (unsigned char *) isymbuf)
free (isymbuf);
if (internal_relocs != NULL
&& elf_section_data (input_section)->relocs != internal_relocs)
free (internal_relocs);
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"
#define ELF_ARCH bfd_arch_h8300
#define ELF_MACHINE_CODE EM_H8_300
#define ELF_MAXPAGESIZE 0x1
#define bfd_elf32_bfd_reloc_type_lookup elf32_h8_reloc_type_lookup
#define elf_info_to_howto elf32_h8_info_to_howto
#define elf_info_to_howto_rel elf32_h8_info_to_howto_rel
#define elf_backend_final_write_processing \
elf32_h8_final_write_processing
#define elf_backend_object_p \
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
#define bfd_elf32_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
#define elf_backend_relocate_section elf32_h8_relocate_section
#define elf_backend_rela_normal 1
#define elf_backend_can_gc_sections 1
#define bfd_elf32_bfd_relax_section elf32_h8_relax_section
#define bfd_elf32_bfd_get_relocated_section_contents \
elf32_h8_get_relocated_section_contents
#include "elf32-target.h"