#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/pj.h"
static bfd_reloc_status_type pj_elf_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static reloc_howto_type *pj_elf_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static void pj_elf_info_to_howto
PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
static void pj_elf_final_write_processing
PARAMS ((bfd *, boolean));
static reloc_howto_type pj_elf_howto_table[] =
{
HOWTO (R_PJ_NONE,
0,
0,
0,
false,
0,
complain_overflow_dont,
pj_elf_reloc,
"R_PJ_NONE",
false,
0,
0,
false),
HOWTO (R_PJ_DATA_DIR32,
0,
2,
32,
false,
0,
complain_overflow_bitfield,
pj_elf_reloc,
"R_PJ_DIR32",
true,
0xffffffff,
0xffffffff,
false),
HOWTO (R_PJ_CODE_REL32,
0,
2,
32,
true,
0,
complain_overflow_signed,
pj_elf_reloc,
"R_PJ_REL32",
false,
0,
0xffffffff,
true),
HOWTO (R_PJ_CODE_REL16,
0,
1,
16,
true,
0,
complain_overflow_signed,
pj_elf_reloc,
"R_PJ_REL16",
false,
0xffff,
0xffff,
true),
EMPTY_HOWTO (4),
EMPTY_HOWTO (5),
HOWTO (R_PJ_CODE_DIR32,
0,
2,
32,
false,
0,
complain_overflow_bitfield,
pj_elf_reloc,
"R_PJ_CODE_DIR32",
true,
0xffffffff,
0xffffffff,
false),
EMPTY_HOWTO (7),
EMPTY_HOWTO (8),
EMPTY_HOWTO (9),
EMPTY_HOWTO (10),
EMPTY_HOWTO (11),
EMPTY_HOWTO (12),
HOWTO (R_PJ_CODE_LO16,
0,
1,
16,
false,
0,
complain_overflow_unsigned,
pj_elf_reloc,
"R_PJ_LO16",
false,
0xffff,
0xffff,
true),
HOWTO (R_PJ_CODE_HI16,
16,
1,
16,
false,
0,
complain_overflow_unsigned,
pj_elf_reloc,
"R_PJ_HI16",
false,
0xffff,
0xffff,
true),
HOWTO (R_PJ_GNU_VTINHERIT,
0,
2,
0,
false,
0,
complain_overflow_dont,
NULL,
"R_PJ_GNU_VTINHERIT",
false,
0,
0,
false),
HOWTO (R_PJ_GNU_VTENTRY,
0,
2,
0,
false,
0,
complain_overflow_dont,
_bfd_elf_rel_vtable_reloc_fn,
"R_PJ_GNU_VTENTRY",
false,
0,
0,
false),
};
static bfd_reloc_status_type
pj_elf_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
error_message)
bfd *abfd;
arelent *reloc_entry;
asymbol *symbol_in;
PTR data;
asection *input_section;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
unsigned long insn;
bfd_vma sym_value;
enum elf_pj_reloc_type r_type;
bfd_vma addr = reloc_entry->address;
bfd_byte *hit_data = addr + (bfd_byte *) data;
r_type = (enum elf_pj_reloc_type) reloc_entry->howto->type;
if (output_bfd != NULL)
{
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
if (symbol_in != NULL
&& bfd_is_und_section (symbol_in->section))
return bfd_reloc_undefined;
if (bfd_is_com_section (symbol_in->section))
sym_value = 0;
else
sym_value = (symbol_in->value +
symbol_in->section->output_section->vma +
symbol_in->section->output_offset);
switch (r_type)
{
case R_PJ_DATA_DIR32:
insn = bfd_get_32 (abfd, hit_data);
insn += sym_value + reloc_entry->addend;
bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
break;
case R_PJ_CODE_DIR32:
insn = bfd_getb32 (hit_data);
insn += sym_value + reloc_entry->addend;
bfd_putb32 ((bfd_vma) insn, hit_data);
break;
case R_PJ_CODE_REL16:
insn = bfd_getb16 (hit_data);
insn += sym_value + reloc_entry->addend
- (input_section->output_section->vma
+ input_section->output_offset);
bfd_putb16 ((bfd_vma) insn, hit_data);
break;
case R_PJ_CODE_LO16:
insn = bfd_getb16 (hit_data);
insn += sym_value + reloc_entry->addend;
bfd_putb16 ((bfd_vma) insn, hit_data);
break;
case R_PJ_CODE_HI16:
insn = bfd_getb16 (hit_data);
insn += (sym_value + reloc_entry->addend) >> 16;
bfd_putb16 ((bfd_vma) insn, hit_data);
break;
default:
abort ();
break;
}
return bfd_reloc_ok;
}
struct elf_reloc_map
{
bfd_reloc_code_real_type bfd_reloc_val;
unsigned char elf_reloc_val;
};
static const struct elf_reloc_map pj_reloc_map[] =
{
{ BFD_RELOC_NONE, R_PJ_NONE },
{ BFD_RELOC_32, R_PJ_DATA_DIR32 },
{ BFD_RELOC_PJ_CODE_DIR16, R_PJ_CODE_DIR16 },
{ BFD_RELOC_PJ_CODE_DIR32, R_PJ_CODE_DIR32 },
{ BFD_RELOC_PJ_CODE_LO16, R_PJ_CODE_LO16 },
{ BFD_RELOC_PJ_CODE_HI16, R_PJ_CODE_HI16 },
{ BFD_RELOC_PJ_CODE_REL32, R_PJ_CODE_REL32 },
{ BFD_RELOC_PJ_CODE_REL16, R_PJ_CODE_REL16 },
{ BFD_RELOC_VTABLE_INHERIT, R_PJ_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_PJ_GNU_VTENTRY },
};
static reloc_howto_type *
pj_elf_reloc_type_lookup (abfd, code)
bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
for (i = 0; i < sizeof (pj_reloc_map) / sizeof (struct elf_reloc_map); i++)
{
if (pj_reloc_map[i].bfd_reloc_val == code)
return &pj_elf_howto_table[(int) pj_reloc_map[i].elf_reloc_val];
}
return NULL;
}
static void
pj_elf_info_to_howto (abfd, cache_ptr, dst)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *cache_ptr;
Elf_Internal_Rela *dst;
{
unsigned int r;
r = ELF32_R_TYPE (dst->r_info);
BFD_ASSERT (r < (unsigned int) R_PJ_max);
cache_ptr->howto = &pj_elf_howto_table[r];
}
static void
pj_elf_final_write_processing (abfd, linker)
bfd *abfd;
boolean linker ATTRIBUTE_UNUSED;
{
elf_elfheader (abfd)->e_flags |= EF_PICOJAVA_ARCH;
elf_elfheader (abfd)->e_flags |= EF_PICOJAVA_GNUCALLS;
}
#define TARGET_BIG_SYM bfd_elf32_pj_vec
#define TARGET_BIG_NAME "elf32-pj"
#define TARGET_LITTLE_SYM bfd_elf32_pjl_vec
#define TARGET_LITTLE_NAME "elf32-pjl"
#define ELF_ARCH bfd_arch_pj
#define ELF_MACHINE_CODE EM_PJ
#define ELF_MACHINE_ALT1 EM_PJ_OLD
#define ELF_MAXPAGESIZE 0x1000
#define bfd_elf32_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define bfd_elf32_bfd_reloc_type_lookup pj_elf_reloc_type_lookup
#define elf_backend_final_write_processing pj_elf_final_write_processing
#define elf_info_to_howto pj_elf_info_to_howto
#include "elf32-target.h"