#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "bfdlink.h"
#include "elf/cr16c.h"
#include "elf-bfd.h"
#define USE_REL 1
#define ONLY_NAME_HOWTO(C) \
HOWTO ((C), 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, \
STRINGX(C), FALSE, 0, 0, FALSE)
RELOC_MAP reloc_map_index[RINDEX_16C_MAX] =
{
{R_16C_NUM08, BFD_RELOC_16C_NUM08},
{R_16C_NUM08_C, BFD_RELOC_16C_NUM08_C},
{R_16C_NUM16, BFD_RELOC_16C_NUM16},
{R_16C_NUM16_C, BFD_RELOC_16C_NUM16_C},
{R_16C_NUM32, BFD_RELOC_16C_NUM32},
{R_16C_NUM32_C, BFD_RELOC_16C_NUM32_C},
{R_16C_DISP04, BFD_RELOC_16C_DISP04},
{R_16C_DISP04_C, BFD_RELOC_16C_DISP04_C},
{R_16C_DISP08, BFD_RELOC_16C_DISP08},
{R_16C_DISP08_C, BFD_RELOC_16C_DISP08_C},
{R_16C_DISP16, BFD_RELOC_16C_DISP16},
{R_16C_DISP16_C, BFD_RELOC_16C_DISP16_C},
{R_16C_DISP24, BFD_RELOC_16C_DISP24},
{R_16C_DISP24_C, BFD_RELOC_16C_DISP24_C},
{R_16C_DISP24a, BFD_RELOC_16C_DISP24a},
{R_16C_DISP24a_C, BFD_RELOC_16C_DISP24a_C},
{R_16C_REG04, BFD_RELOC_16C_REG04},
{R_16C_REG04_C, BFD_RELOC_16C_REG04_C},
{R_16C_REG04a, BFD_RELOC_16C_REG04a},
{R_16C_REG04a_C, BFD_RELOC_16C_REG04a_C},
{R_16C_REG14, BFD_RELOC_16C_REG14},
{R_16C_REG14_C, BFD_RELOC_16C_REG14_C},
{R_16C_REG16, BFD_RELOC_16C_REG16},
{R_16C_REG16_C, BFD_RELOC_16C_REG16_C},
{R_16C_REG20, BFD_RELOC_16C_REG20},
{R_16C_REG20_C, BFD_RELOC_16C_REG20_C},
{R_16C_ABS20, BFD_RELOC_16C_ABS20},
{R_16C_ABS20_C, BFD_RELOC_16C_ABS20_C},
{R_16C_ABS24, BFD_RELOC_16C_ABS24},
{R_16C_ABS24_C, BFD_RELOC_16C_ABS24_C},
{R_16C_IMM04, BFD_RELOC_16C_IMM04},
{R_16C_IMM04_C, BFD_RELOC_16C_IMM04_C},
{R_16C_IMM16, BFD_RELOC_16C_IMM16},
{R_16C_IMM16_C, BFD_RELOC_16C_IMM16_C},
{R_16C_IMM20, BFD_RELOC_16C_IMM20},
{R_16C_IMM20_C, BFD_RELOC_16C_IMM20_C},
{R_16C_IMM24, BFD_RELOC_16C_IMM24},
{R_16C_IMM24_C, BFD_RELOC_16C_IMM24_C},
{R_16C_IMM32, BFD_RELOC_16C_IMM32},
{R_16C_IMM32_C, BFD_RELOC_16C_IMM32_C}
};
static reloc_howto_type elf_howto_table[] =
{
ONLY_NAME_HOWTO (RINDEX_16C_NUM08),
ONLY_NAME_HOWTO (RINDEX_16C_NUM08_C),
ONLY_NAME_HOWTO (RINDEX_16C_NUM16),
ONLY_NAME_HOWTO (RINDEX_16C_NUM16_C),
ONLY_NAME_HOWTO (RINDEX_16C_NUM32),
ONLY_NAME_HOWTO (RINDEX_16C_NUM32_C),
ONLY_NAME_HOWTO (RINDEX_16C_DISP04),
ONLY_NAME_HOWTO (RINDEX_16C_DISP04_C),
ONLY_NAME_HOWTO (RINDEX_16C_DISP08),
ONLY_NAME_HOWTO (RINDEX_16C_DISP08_C),
ONLY_NAME_HOWTO (RINDEX_16C_DISP16),
ONLY_NAME_HOWTO (RINDEX_16C_DISP16_C),
ONLY_NAME_HOWTO (RINDEX_16C_DISP24),
ONLY_NAME_HOWTO (RINDEX_16C_DISP24_C),
ONLY_NAME_HOWTO (RINDEX_16C_DISP24a),
ONLY_NAME_HOWTO (RINDEX_16C_DISP24a_C),
ONLY_NAME_HOWTO (RINDEX_16C_REG04),
ONLY_NAME_HOWTO (RINDEX_16C_REG04_C),
ONLY_NAME_HOWTO (RINDEX_16C_REG04a),
ONLY_NAME_HOWTO (RINDEX_16C_REG04a_C),
ONLY_NAME_HOWTO (RINDEX_16C_REG14),
ONLY_NAME_HOWTO (RINDEX_16C_REG14_C),
ONLY_NAME_HOWTO (RINDEX_16C_REG16),
ONLY_NAME_HOWTO (RINDEX_16C_REG16_C),
ONLY_NAME_HOWTO (RINDEX_16C_REG20),
ONLY_NAME_HOWTO (RINDEX_16C_REG20_C),
ONLY_NAME_HOWTO (RINDEX_16C_ABS20),
ONLY_NAME_HOWTO (RINDEX_16C_ABS20_C),
ONLY_NAME_HOWTO (RINDEX_16C_ABS24),
ONLY_NAME_HOWTO (RINDEX_16C_ABS24_C),
ONLY_NAME_HOWTO (RINDEX_16C_IMM04),
ONLY_NAME_HOWTO (RINDEX_16C_IMM04_C),
ONLY_NAME_HOWTO (RINDEX_16C_IMM16),
ONLY_NAME_HOWTO (RINDEX_16C_IMM16_C),
ONLY_NAME_HOWTO (RINDEX_16C_IMM20),
ONLY_NAME_HOWTO (RINDEX_16C_IMM20_C),
ONLY_NAME_HOWTO (RINDEX_16C_IMM24),
ONLY_NAME_HOWTO (RINDEX_16C_IMM24_C),
ONLY_NAME_HOWTO (RINDEX_16C_IMM32),
ONLY_NAME_HOWTO (RINDEX_16C_IMM32_C)
};
static reloc_howto_type *
elf_cr16c_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type code)
{
unsigned int i;
for (i = 0; i < RINDEX_16C_MAX; i++)
{
if (code == reloc_map_index[i].bfd_reloc_enum)
{
return & elf_howto_table[i];
}
}
return 0;
}
static void
elf_cr16c_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
arelent *cache_ptr ATTRIBUTE_UNUSED,
Elf_Internal_Rela *dst ATTRIBUTE_UNUSED)
{
abort ();
}
static void
elf_cr16c_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
arelent *cache_ptr,
Elf_Internal_Rela *dst)
{
unsigned int r_type = ELF32_R_TYPE (dst->r_info);
BFD_ASSERT (r_type < (unsigned int) RINDEX_16C_MAX);
cache_ptr->howto = &elf_howto_table[r_type];
}
static bfd_reloc_status_type
cr16c_elf_final_link_relocate (reloc_howto_type *howto,
bfd *abfd,
bfd *output_bfd ATTRIBUTE_UNUSED,
asection *input_section,
bfd_byte *data,
bfd_vma octets,
bfd_vma Rvalue,
bfd_vma addend ATTRIBUTE_UNUSED,
struct bfd_link_info *info ATTRIBUTE_UNUSED,
asection *sym_sec ATTRIBUTE_UNUSED,
int is_local ATTRIBUTE_UNUSED)
{
long value;
short sword;
unsigned long format, addr_type, code_factor;
unsigned short size;
unsigned short r_type;
asymbol *symbol = NULL;
unsigned long disp20_opcod;
char neg = 0;
char neg2pos = 0;
long left_val = 0;
long plus_factor = 0;
#define MIN_BYTE ((int) 0xFFFFFF80)
#define MIN_WORD ((int) 0xFFFF8000)
#define MAX_UWORD ((unsigned) 0x0000FFFF)
#define MAX_UBYTE ((unsigned) 0x000000FF)
r_type = reloc_map_index[howto->type].cr_reloc_type;
format = r_type & R_FORMAT;
size = r_type & R_SIZESP;
addr_type = r_type & R_ADDRTYPE;
code_factor = ((addr_type == R_CODE_ADDR) ? 1 : 0);
if (sym_sec)
symbol = sym_sec->symbol;
switch (format)
{
case R_NUMBER:
switch (size)
{
case R_S_16C_08:
value = bfd_get_8 (abfd, (char *) data + octets);
break;
case R_S_16C_16:
sword = bfd_get_16 (abfd, (bfd_byte *) data + octets);
value = sword;
break;
case R_S_16C_32:
value = bfd_get_32 (abfd, (bfd_byte *) data + octets);
break;
default:
return bfd_reloc_notsupported;
}
break;
case R_16C_DISPL:
switch (size)
{
case R_S_16C_04:
value = bfd_get_8 (abfd, (char *) data + octets);
left_val = value & 0xF;
value = (value & 0xF0) >> 4;
value++;
value <<= 1;
break;
case R_S_16C_08:
sword = bfd_get_16 (abfd, (char *) data + octets);
value = sword & 0x000F;
value |= ((sword & 0x0F00) >> 4);
left_val = sword & 0xF0F0;
value <<= 1;
if (value & 0x100)
value |= 0xFFFFFF00;
break;
case R_S_16C_16:
sword = bfd_get_16 (abfd, (bfd_byte *) data + octets);
value = sword;
value = ((value & 0xFFFE) >> 1) | ((value & 0x1) << 15);
value <<= 1;
if (value & 0x10000)
value |= 0xFFFF0000;
break;
case R_S_16C_24_a:
value = bfd_get_32 (abfd, (bfd_byte *) data + octets);
left_val = value & 0x0000FF00;
value = ((value & 0xFFFE0000) >> 17) |
((value & 0x00010000) << 7) | ((value & 0x000000FF) << 15);
value <<= 1;
if (value & 0x1000000)
value |= 0xFE000000;
break;
case R_S_16C_24:
value = bfd_get_32 (abfd, (bfd_byte *) data + octets);
left_val = value & 0x0000F0F0;
value = ((value >> 16) & 0x0000FFFF) |
((value & 0x00000F00) << 8) | ((value & 0x0000000F) << 20);
value = ((value & 0x00FFFFFE) >> 1) | ((value & 0x00000001) << 23);
value <<= 1;
if (value & 0x1000000)
value |= 0xFE000000;
break;
default:
return bfd_reloc_notsupported;
}
break;
case R_16C_REGREL:
switch (size)
{
case R_S_16C_04:
value = bfd_get_8 (abfd, (char *) data + octets);
left_val = value & 0xF0;
value = value & 0xF;
break;
case R_S_16C_04_a:
value = bfd_get_8 (abfd, (char *) data + octets);
left_val = value & 0xF0;
value = value & 0xF;
value <<= 1;
break;
case R_S_16C_14:
value = bfd_get_32 (abfd, (bfd_byte *) data + octets);
left_val = value & 0x00F0FFCF;
value = ((value & 0xc0000000) >> 24) |
((value & 0x3F000000) >> 16) |
((value & 0x000F0000) >> 16) | (value & 0x00000030);
break;
case R_S_16C_16:
sword = bfd_get_16 (abfd, (bfd_byte *) data + octets);
value = sword;
break;
case R_S_16C_20:
value = bfd_get_32 (abfd, (bfd_byte *) data + octets);
left_val = value & 0xF0;
value = (value & 0xF) << 16;
sword = bfd_get_16 (abfd, (bfd_byte *) data + octets + 1);
value = value | (unsigned short) sword;
disp20_opcod = bfd_get_32 (abfd, (bfd_byte *) data + octets - 3);
disp20_opcod |= 0x0FFF0000;
if ((disp20_opcod == 0x4FFF0018) ||
(disp20_opcod == 0x5FFF0018) ||
(disp20_opcod == 0x8FFF0018) ||
(disp20_opcod == 0x9FFF0018) ||
(disp20_opcod == 0xCFFF0018) ||
(disp20_opcod == 0xDFFF0018) ||
(disp20_opcod == 0x4FFF0019) ||
(disp20_opcod == 0x5FFF0019) ||
(disp20_opcod == 0x8FFF0019) ||
(disp20_opcod == 0x9FFF0019) ||
(disp20_opcod == 0xCFFF0019) ||
(disp20_opcod == 0xDFFF0019))
{
neg = 1;
value |= 0xFFF00000;
}
break;
default:
return bfd_reloc_notsupported;
}
break;
case R_16C_ABS:
switch (size)
{
case R_S_16C_20:
value = bfd_get_32 (abfd, (bfd_byte *) data + octets);
left_val = value & 0x0000FFF0;
value = ((value & 0xFFFF0000) >> 16) |
((value & 0x0000000F) << 16);
break;
case R_S_16C_24:
value = bfd_get_32 (abfd, (bfd_byte *) data + octets);
left_val = value & 0x0000F0F0;
value = ((value & 0xFFFF0000) >> 16) |
((value & 0x00000F00) << 8) | ((value & 0x0000000F) << 20);
break;
default:
return bfd_reloc_notsupported;
}
break;
case R_16C_IMMED:
switch (size)
{
case R_S_16C_04:
value = bfd_get_8 (abfd, (char *) data + octets);
left_val = value & 0xF;
value = (value & 0xF0) >> 4;
break;
case R_S_16C_16:
sword = bfd_get_16 (abfd, (bfd_byte *) data + octets);
value = sword;
break;
case R_S_16C_20:
value = bfd_get_32 (abfd, (bfd_byte *) data + octets);
left_val = value & 0x0000FFF0;
value = ((value & 0xFFFF0000) >> 16) |
((value & 0x0000000F) << 16);
break;
case R_S_16C_32:
value = bfd_get_32 (abfd, (bfd_byte *) data + octets);
value = ((value & 0x0000FFFF) << 16) |
((value & 0xFFFF0000) >> 16);
break;
default:
return bfd_reloc_notsupported;
}
break;
default:
return bfd_reloc_notsupported;
}
switch ((r_type & R_RELTO) >> 4)
{
case 0:
plus_factor = Rvalue;
break;
case 1:
plus_factor = Rvalue -
(input_section->output_section->vma + input_section->output_offset);
break;
default:
return bfd_reloc_notsupported;
}
if (neg)
{
if (plus_factor >= -value)
neg2pos = 1;
}
value = value + (plus_factor >> code_factor);
switch (format)
{
case R_NUMBER:
switch (size)
{
case R_S_16C_08:
if (value > (int) MAX_UBYTE || value < MIN_BYTE)
return bfd_reloc_overflow;
value &= 0xFF;
bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets);
break;
case R_S_16C_16:
if (value > (int) MAX_UWORD || value < MIN_WORD)
return bfd_reloc_overflow;
value &= 0xFFFF;
sword = value;
bfd_put_16 (abfd, (bfd_vma) sword,
(unsigned char *) data + octets);
break;
case R_S_16C_32:
value &= 0xFFFFFFFF;
bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets);
break;
default:
return bfd_reloc_notsupported;
}
break;
case R_16C_DISPL:
switch (size)
{
case R_S_16C_04:
if ((value - 32) > 32 || value < 2)
return bfd_reloc_overflow;
value >>= 1;
value--;
value &= 0xF;
value <<= 4;
value |= left_val;
bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets);
break;
case R_S_16C_08:
if (value > 255 || value < -256 || value == 0x80)
return bfd_reloc_overflow;
value &= 0x1FF;
value >>= 1;
sword = value & 0x000F;
sword |= (value & 0x00F0) << 4;
sword |= left_val;
bfd_put_16 (abfd, (bfd_vma) sword,
(unsigned char *) data + octets);
break;
case R_S_16C_16:
if (value > 65535 || value < -65536)
return bfd_reloc_overflow;
value >>= 1;
value &= 0xFFFF;
value = ((value & 0x8000) >> 15) | ((value & 0x7FFF) << 1);
sword = value;
bfd_put_16 (abfd, (bfd_vma) sword,
(unsigned char *) data + octets);
break;
case R_S_16C_24_a:
if (value > 16777215 || value < -16777216)
return bfd_reloc_overflow;
value &= 0x1FFFFFF;
value >>= 1;
value = ((value & 0x00007FFF) << 17) |
((value & 0x00800000) >> 7) | ((value & 0x007F8000) >> 15);
value |= left_val;
bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets);
break;
case R_S_16C_24:
if (value > 16777215 || value < -16777216)
return bfd_reloc_overflow;
value &= 0x1FFFFFF;
value >>= 1;
value = ((value & 0x007FFFFF) << 1) | ((value & 0x00800000) >> 23);
value = ((value & 0x0000FFFF) << 16) |
((value & 0x000F0000) >> 8) | ((value & 0x00F00000) >> 20);
value |= left_val;
bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets);
break;
default:
return bfd_reloc_notsupported;
}
break;
case R_16C_REGREL:
switch (size)
{
case R_S_16C_04:
if (value > 13 || value < 0)
return bfd_reloc_overflow;
value &= 0xF;
value |= left_val;
bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets);
break;
case R_S_16C_04_a:
if (value > 26 || value < 0)
return bfd_reloc_overflow;
value &= 0x1F;
value >>= 1;
value |= left_val;
bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets);
break;
case R_S_16C_14:
if (value < 0 || value > 16383)
return bfd_reloc_overflow;
value &= 0x3FFF;
value = ((value & 0x000000c0) << 24) |
((value & 0x00003F00) << 16) |
((value & 0x0000000F) << 16) | (value & 0x00000030);
value |= left_val;
bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets);
break;
case R_S_16C_16:
if (value > 65535 || value < 0)
return bfd_reloc_overflow;
value &= 0xFFFF;
sword = value;
bfd_put_16 (abfd, (bfd_vma) sword,
(unsigned char *) data + octets);
break;
case R_S_16C_20:
value &= 0xFFFFF;
sword = value & 0x0000FFFF;
value = (value & 0x000F0000) >> 16;
value |= left_val;
bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets);
bfd_put_16 (abfd, (bfd_vma) sword,
(unsigned char *) data + octets + 1);
if (neg2pos)
{
value = bfd_get_8 (abfd, (char *) data + octets - 3);
value &= 0xF7;
value |= 0x2;
bfd_put_8 (abfd, (bfd_vma) value,
(unsigned char *) data + octets - 3);
}
break;
default:
return bfd_reloc_notsupported;
}
break;
case R_16C_ABS:
switch (size)
{
case R_S_16C_20:
if (value > 1048575 || value < 0)
return bfd_reloc_overflow;
value &= 0xFFFFF;
value = ((value & 0x0000FFFF) << 16) |
((value & 0x000F0000) >> 16);
value |= left_val;
bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets);
break;
case R_S_16C_24:
value &= 0xFFFFFF;
value = ((value & 0x0000FFFF) << 16) |
((value & 0x000F0000) >> 8) | ((value & 0x00F00000) >> 20);
value |= left_val;
bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets);
break;
default:
return bfd_reloc_notsupported;
}
break;
case R_16C_IMMED:
switch (size)
{
case R_S_16C_04:
if (value > 15 || value < -1)
return bfd_reloc_overflow;
value &= 0xF;
value <<= 4;
value |= left_val;
bfd_put_8 (abfd, (bfd_vma) value, (unsigned char *) data + octets);
break;
case R_S_16C_16:
if (value > 32767 || value < -32768)
return bfd_reloc_overflow;
value &= 0xFFFF;
sword = value;
bfd_put_16 (abfd, (bfd_vma) sword,
(unsigned char *) data + octets);
break;
case R_S_16C_20:
if (value > 1048575 || value < 0)
return bfd_reloc_overflow;
value &= 0xFFFFF;
value = ((value & 0x0000FFFF) << 16) |
((value & 0x000F0000) >> 16);
value |= left_val;
bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets);
break;
case R_S_16C_32:
value &= 0xFFFFFFFF;
value = ((value & 0x0000FFFF) << 16) |
((value & 0xFFFF0000) >> 16);
bfd_put_32 (abfd, (bfd_vma) value, (bfd_byte *) data + octets);
break;
default:
return bfd_reloc_notsupported;
}
break;
default:
return bfd_reloc_notsupported;
}
return bfd_reloc_ok;
}
static bfd_boolean
elf32_cr16c_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;
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++)
{
int r_type;
reloc_howto_type *howto;
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);
howto = elf_howto_table + r_type;
if (info->relocatable)
{
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
{
sec = local_sections[r_symndx];
rel->r_addend += sec->output_offset + sym->st_value;
}
}
continue;
}
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 = cr16c_elf_final_link_relocate (howto, 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;
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 asection *
elf32_cr16c_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
{
return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
}
return NULL;
}
static bfd_boolean
elf32_cr16c_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;
}
static asection cr16c_elf_fcom_section;
static asymbol cr16c_elf_fcom_symbol;
static asymbol * cr16c_elf_fcom_symbol_ptr;
static asection cr16c_elf_ncom_section;
static asymbol cr16c_elf_ncom_symbol;
static asymbol * cr16c_elf_ncom_symbol_ptr;
static bfd_boolean
elf32_cr16c_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
asection *sec,
int *retval)
{
if (strcmp (bfd_get_section_name (abfd, sec), ".fcommon") == 0)
*retval = SHN_CR16C_FCOMMON;
else if (strcmp (bfd_get_section_name (abfd, sec), ".ncommon") == 0)
*retval = SHN_CR16C_NCOMMON;
else
return FALSE;
return TRUE;
}
static void
elf32_cr16c_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
asymbol *asym)
{
elf_symbol_type *elfsym = (elf_symbol_type *) asym;
unsigned int indx;
indx = elfsym->internal_elf_sym.st_shndx;
switch (indx)
{
case SHN_CR16C_FCOMMON:
if (cr16c_elf_fcom_section.name == NULL)
{
cr16c_elf_fcom_section.name = ".fcommon";
cr16c_elf_fcom_section.flags = SEC_IS_COMMON | SEC_ALLOC;
cr16c_elf_fcom_section.output_section = &cr16c_elf_fcom_section;
cr16c_elf_fcom_section.symbol = &cr16c_elf_fcom_symbol;
cr16c_elf_fcom_section.symbol_ptr_ptr = &cr16c_elf_fcom_symbol_ptr;
cr16c_elf_fcom_symbol.name = ".fcommon";
cr16c_elf_fcom_symbol.flags = BSF_SECTION_SYM;
cr16c_elf_fcom_symbol.section = &cr16c_elf_fcom_section;
cr16c_elf_fcom_symbol_ptr = &cr16c_elf_fcom_symbol;
}
asym->section = &cr16c_elf_fcom_section;
asym->value = elfsym->internal_elf_sym.st_size;
break;
case SHN_CR16C_NCOMMON:
if (cr16c_elf_ncom_section.name == NULL)
{
cr16c_elf_ncom_section.name = ".ncommon";
cr16c_elf_ncom_section.flags = SEC_IS_COMMON | SEC_ALLOC;
cr16c_elf_ncom_section.output_section = &cr16c_elf_ncom_section;
cr16c_elf_ncom_section.symbol = &cr16c_elf_ncom_symbol;
cr16c_elf_ncom_section.symbol_ptr_ptr = &cr16c_elf_ncom_symbol_ptr;
cr16c_elf_ncom_symbol.name = ".ncommon";
cr16c_elf_ncom_symbol.flags = BSF_SECTION_SYM;
cr16c_elf_ncom_symbol.section = &cr16c_elf_ncom_section;
cr16c_elf_ncom_symbol_ptr = &cr16c_elf_ncom_symbol;
}
asym->section = &cr16c_elf_ncom_section;
asym->value = elfsym->internal_elf_sym.st_size;
break;
}
}
static bfd_boolean
elf32_cr16c_add_symbol_hook (bfd *abfd,
struct bfd_link_info *info ATTRIBUTE_UNUSED,
Elf_Internal_Sym *sym,
const char **namep ATTRIBUTE_UNUSED,
flagword *flagsp ATTRIBUTE_UNUSED,
asection **secp,
bfd_vma *valp)
{
unsigned int indx = sym->st_shndx;
switch (indx)
{
case SHN_CR16C_FCOMMON:
*secp = bfd_make_section_old_way (abfd, ".fcommon");
(*secp)->flags |= SEC_IS_COMMON;
*valp = sym->st_size;
break;
case SHN_CR16C_NCOMMON:
*secp = bfd_make_section_old_way (abfd, ".ncommon");
(*secp)->flags |= SEC_IS_COMMON;
*valp = sym->st_size;
break;
}
return TRUE;
}
static bfd_boolean
elf32_cr16c_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
const char *name ATTRIBUTE_UNUSED,
Elf_Internal_Sym *sym,
asection *input_sec,
struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
{
if (sym->st_shndx == SHN_COMMON)
{
if (strcmp (input_sec->name, ".fcommon") == 0)
sym->st_shndx = SHN_CR16C_FCOMMON;
else if (strcmp (input_sec->name, ".ncommon") == 0)
sym->st_shndx = SHN_CR16C_NCOMMON;
}
return TRUE;
}
#define TARGET_LITTLE_SYM bfd_elf32_cr16c_vec
#define TARGET_LITTLE_NAME "elf32-cr16c"
#define ELF_ARCH bfd_arch_cr16c
#define ELF_MACHINE_CODE EM_CR
#define ELF_MAXPAGESIZE 0x1
#define elf_symbol_leading_char '_'
#define bfd_elf32_bfd_reloc_type_lookup elf_cr16c_reloc_type_lookup
#define elf_info_to_howto elf_cr16c_info_to_howto
#define elf_info_to_howto_rel elf_cr16c_info_to_howto_rel
#define elf_backend_relocate_section elf32_cr16c_relocate_section
#define elf_backend_gc_mark_hook elf32_cr16c_gc_mark_hook
#define elf_backend_gc_sweep_hook elf32_cr16c_gc_sweep_hook
#define elf_backend_symbol_processing elf32_cr16c_symbol_processing
#define elf_backend_section_from_bfd_section elf32_cr16c_section_from_bfd_section
#define elf_backend_add_symbol_hook elf32_cr16c_add_symbol_hook
#define elf_backend_link_output_symbol_hook elf32_cr16c_link_output_symbol_hook
#define elf_backend_can_gc_sections 1
#include "elf32-target.h"