#include "bfd.h"
#include "sysdep.h"
#include "libiberty.h"
#include "libbfd.h"
#include "bfdlink.h"
#include "coff/sh.h"
#include "coff/internal.h"
#ifdef COFF_WITH_PE
#include "coff/pe.h"
#ifndef COFF_IMAGE_WITH_PE
static bfd_boolean sh_align_load_span
PARAMS ((bfd *, asection *, bfd_byte *,
bfd_boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *));
#define _bfd_sh_align_load_span sh_align_load_span
#endif
#endif
#include "libcoff.h"
static bfd_reloc_status_type sh_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static long get_symbol_value PARAMS ((asymbol *));
static bfd_boolean sh_relax_section
PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
static bfd_boolean sh_relax_delete_bytes
PARAMS ((bfd *, asection *, bfd_vma, int));
#ifndef COFF_IMAGE_WITH_PE
static const struct sh_opcode *sh_insn_info PARAMS ((unsigned int));
#endif
static bfd_boolean sh_align_loads
PARAMS ((bfd *, asection *, struct internal_reloc *, bfd_byte *,
bfd_boolean *));
static bfd_boolean sh_swap_insns
PARAMS ((bfd *, asection *, PTR, bfd_byte *, bfd_vma));
static bfd_boolean sh_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
struct internal_reloc *, struct internal_syment *, asection **));
static bfd_byte *sh_coff_get_relocated_section_contents
PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
bfd_byte *, bfd_boolean, asymbol **));
static reloc_howto_type * sh_coff_reloc_type_lookup PARAMS ((bfd *, bfd_reloc_code_real_type));
#ifdef COFF_WITH_PE
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
#else
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 4
#endif
#ifdef COFF_IMAGE_WITH_PE
#define COFF_PAGE_SIZE 0x1000
#endif
#define COFF_LONG_FILENAMES
#ifdef COFF_WITH_PE
static bfd_boolean in_reloc_p PARAMS ((bfd *, reloc_howto_type *));
static bfd_boolean in_reloc_p (abfd, howto)
bfd * abfd ATTRIBUTE_UNUSED;
reloc_howto_type * howto;
{
return ! howto->pc_relative && howto->type != R_SH_IMAGEBASE;
}
#endif
static reloc_howto_type sh_coff_howtos[] =
{
EMPTY_HOWTO (0),
EMPTY_HOWTO (1),
#ifdef COFF_WITH_PE
HOWTO (R_SH_IMM32CE,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_imm32ce",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
#else
EMPTY_HOWTO (2),
#endif
EMPTY_HOWTO (3),
EMPTY_HOWTO (4),
EMPTY_HOWTO (5),
EMPTY_HOWTO (6),
EMPTY_HOWTO (7),
EMPTY_HOWTO (8),
EMPTY_HOWTO (9),
HOWTO (R_SH_PCDISP8BY2,
1,
1,
8,
TRUE,
0,
complain_overflow_signed,
sh_reloc,
"r_pcdisp8by2",
TRUE,
0xff,
0xff,
TRUE),
EMPTY_HOWTO (11),
HOWTO (R_SH_PCDISP,
1,
1,
12,
TRUE,
0,
complain_overflow_signed,
sh_reloc,
"r_pcdisp12by2",
TRUE,
0xfff,
0xfff,
TRUE),
EMPTY_HOWTO (13),
HOWTO (R_SH_IMM32,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_imm32",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
EMPTY_HOWTO (15),
#ifdef COFF_WITH_PE
HOWTO (R_SH_IMAGEBASE,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"rva32",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
#else
EMPTY_HOWTO (16),
#endif
EMPTY_HOWTO (17),
EMPTY_HOWTO (18),
EMPTY_HOWTO (19),
EMPTY_HOWTO (20),
EMPTY_HOWTO (21),
HOWTO (R_SH_PCRELIMM8BY2,
1,
1,
8,
TRUE,
0,
complain_overflow_unsigned,
sh_reloc,
"r_pcrelimm8by2",
TRUE,
0xff,
0xff,
TRUE),
HOWTO (R_SH_PCRELIMM8BY4,
2,
1,
8,
TRUE,
0,
complain_overflow_unsigned,
sh_reloc,
"r_pcrelimm8by4",
TRUE,
0xff,
0xff,
TRUE),
HOWTO (R_SH_IMM16,
0,
1,
16,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_imm16",
TRUE,
0xffff,
0xffff,
FALSE),
HOWTO (R_SH_SWITCH16,
0,
1,
16,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_switch16",
TRUE,
0xffff,
0xffff,
FALSE),
HOWTO (R_SH_SWITCH32,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_switch32",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
HOWTO (R_SH_USES,
0,
1,
16,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_uses",
TRUE,
0xffff,
0xffff,
FALSE),
HOWTO (R_SH_COUNT,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_count",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
HOWTO (R_SH_ALIGN,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_align",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
HOWTO (R_SH_CODE,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_code",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
HOWTO (R_SH_DATA,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_data",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
HOWTO (R_SH_LABEL,
0,
2,
32,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_label",
TRUE,
0xffffffff,
0xffffffff,
FALSE),
HOWTO (R_SH_SWITCH8,
0,
0,
8,
FALSE,
0,
complain_overflow_bitfield,
sh_reloc,
"r_switch8",
TRUE,
0xff,
0xff,
FALSE)
};
#define SH_COFF_HOWTO_COUNT (sizeof sh_coff_howtos / sizeof sh_coff_howtos[0])
#define BADMAG(x) SHBADMAG(x)
#define SH 1
#define __A_MAGIC_SET__
#ifndef COFF_WITH_PE
#define SWAP_IN_RELOC_OFFSET H_GET_32
#define SWAP_OUT_RELOC_OFFSET H_PUT_32
#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
do \
{ \
dst->r_stuff[0] = 'S'; \
dst->r_stuff[1] = 'C'; \
} \
while (0)
#endif
static long
get_symbol_value (symbol)
asymbol *symbol;
{
bfd_vma relocation;
if (bfd_is_com_section (symbol->section))
relocation = 0;
else
relocation = (symbol->value +
symbol->section->output_section->vma +
symbol->section->output_offset);
return relocation;
}
#ifdef COFF_WITH_PE
#define coff_rtype_to_howto coff_sh_rtype_to_howto
static reloc_howto_type * coff_sh_rtype_to_howto PARAMS ((bfd *, asection *, struct internal_reloc *, struct coff_link_hash_entry *, struct internal_syment *, bfd_vma *));
static reloc_howto_type *
coff_sh_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
bfd * abfd ATTRIBUTE_UNUSED;
asection * sec;
struct internal_reloc * rel;
struct coff_link_hash_entry * h;
struct internal_syment * sym;
bfd_vma * addendp;
{
reloc_howto_type * howto;
howto = sh_coff_howtos + rel->r_type;
*addendp = 0;
if (howto->pc_relative)
*addendp += sec->vma;
if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0)
{
BFD_ASSERT (h != NULL);
}
if (howto->pc_relative)
{
*addendp -= 4;
if (sym != NULL && sym->n_scnum != 0)
*addendp -= sym->n_value;
}
if (rel->r_type == R_SH_IMAGEBASE)
*addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
return howto;
}
#endif
struct shcoff_reloc_map
{
bfd_reloc_code_real_type bfd_reloc_val;
unsigned char shcoff_reloc_val;
};
#ifdef COFF_WITH_PE
static const struct shcoff_reloc_map sh_reloc_map[] =
{
{ BFD_RELOC_32, R_SH_IMM32CE },
{ BFD_RELOC_RVA, R_SH_IMAGEBASE },
{ BFD_RELOC_CTOR, R_SH_IMM32CE },
};
#else
static const struct shcoff_reloc_map sh_reloc_map[] =
{
{ BFD_RELOC_32, R_SH_IMM32 },
{ BFD_RELOC_CTOR, R_SH_IMM32 },
};
#endif
#define coff_bfd_reloc_type_lookup sh_coff_reloc_type_lookup
static reloc_howto_type *
sh_coff_reloc_type_lookup (abfd, code)
bfd * abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
for (i = ARRAY_SIZE (sh_reloc_map); i--;)
if (sh_reloc_map[i].bfd_reloc_val == code)
return &sh_coff_howtos[(int) sh_reloc_map[i].shcoff_reloc_val];
fprintf (stderr, "SH Error: unknown reloc type %d\n", code);
return NULL;
}
#define RTYPE2HOWTO(relent, internal) \
((relent)->howto = \
((internal)->r_type < SH_COFF_HOWTO_COUNT \
? &sh_coff_howtos[(internal)->r_type] \
: (reloc_howto_type *) NULL))
#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
{ \
coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \
if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
coffsym = (obj_symbols (abfd) \
+ (cache_ptr->sym_ptr_ptr - symbols)); \
else if (ptr) \
coffsym = coff_symbol_from (abfd, ptr); \
if (coffsym != (coff_symbol_type *) NULL \
&& coffsym->native->u.syment.n_scnum == 0) \
cache_ptr->addend = 0; \
else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
&& ptr->section != (asection *) NULL) \
cache_ptr->addend = - (ptr->section->vma + ptr->value); \
else \
cache_ptr->addend = 0; \
if ((reloc).r_type == R_SH_SWITCH8 \
|| (reloc).r_type == R_SH_SWITCH16 \
|| (reloc).r_type == R_SH_SWITCH32 \
|| (reloc).r_type == R_SH_USES \
|| (reloc).r_type == R_SH_COUNT \
|| (reloc).r_type == R_SH_ALIGN) \
cache_ptr->addend = (reloc).r_offset; \
}
static bfd_reloc_status_type
sh_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;
unsigned short r_type;
bfd_vma addr = reloc_entry->address;
bfd_byte *hit_data = addr + (bfd_byte *) data;
r_type = reloc_entry->howto->type;
if (output_bfd != NULL)
{
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
if (r_type != R_SH_IMM32
#ifdef COFF_WITH_PE
&& r_type != R_SH_IMM32CE
&& r_type != R_SH_IMAGEBASE
#endif
&& (r_type != R_SH_PCDISP
|| (symbol_in->flags & BSF_LOCAL) != 0))
return bfd_reloc_ok;
if (symbol_in != NULL
&& bfd_is_und_section (symbol_in->section))
return bfd_reloc_undefined;
sym_value = get_symbol_value (symbol_in);
switch (r_type)
{
case R_SH_IMM32:
#ifdef COFF_WITH_PE
case R_SH_IMM32CE:
#endif
insn = bfd_get_32 (abfd, hit_data);
insn += sym_value + reloc_entry->addend;
bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
break;
#ifdef COFF_WITH_PE
case R_SH_IMAGEBASE:
insn = bfd_get_32 (abfd, hit_data);
insn += sym_value + reloc_entry->addend;
insn -= pe_data (input_section->output_section->owner)->pe_opthdr.ImageBase;
bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
break;
#endif
case R_SH_PCDISP:
insn = bfd_get_16 (abfd, hit_data);
sym_value += reloc_entry->addend;
sym_value -= (input_section->output_section->vma
+ input_section->output_offset
+ addr
+ 4);
sym_value += (insn & 0xfff) << 1;
if (insn & 0x800)
sym_value -= 0x1000;
insn = (insn & 0xf000) | (sym_value & 0xfff);
bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
return bfd_reloc_overflow;
break;
default:
abort ();
break;
}
return bfd_reloc_ok;
}
#define coff_bfd_merge_private_bfd_data _bfd_generic_verify_endian_match
#define coff_bfd_relax_section sh_relax_section
#define coff_relocate_section sh_relocate_section
#define coff_bfd_get_relocated_section_contents \
sh_coff_get_relocated_section_contents
#include "coffcode.h"
static bfd_boolean
sh_relax_section (abfd, sec, link_info, again)
bfd *abfd;
asection *sec;
struct bfd_link_info *link_info;
bfd_boolean *again;
{
struct internal_reloc *internal_relocs;
struct internal_reloc *free_relocs = NULL;
bfd_boolean have_code;
struct internal_reloc *irel, *irelend;
bfd_byte *contents = NULL;
bfd_byte *free_contents = NULL;
*again = FALSE;
if (link_info->relocateable
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0)
return TRUE;
if (sec->_cooked_size == 0)
sec->_cooked_size = sec->_raw_size;
internal_relocs = (_bfd_coff_read_internal_relocs
(abfd, sec, link_info->keep_memory,
(bfd_byte *) NULL, FALSE,
(struct internal_reloc *) NULL));
if (internal_relocs == NULL)
goto error_return;
if (! link_info->keep_memory)
free_relocs = internal_relocs;
have_code = FALSE;
irelend = internal_relocs + sec->reloc_count;
for (irel = internal_relocs; irel < irelend; irel++)
{
bfd_vma laddr, paddr, symval;
unsigned short insn;
struct internal_reloc *irelfn, *irelscan, *irelcount;
struct internal_syment sym;
bfd_signed_vma foff;
if (irel->r_type == R_SH_CODE)
have_code = TRUE;
if (irel->r_type != R_SH_USES)
continue;
if (contents == NULL)
{
if (coff_section_data (abfd, sec) != NULL
&& coff_section_data (abfd, sec)->contents != NULL)
contents = coff_section_data (abfd, sec)->contents;
else
{
contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
if (contents == NULL)
goto error_return;
free_contents = contents;
if (! bfd_get_section_contents (abfd, sec, contents,
(file_ptr) 0, sec->_raw_size))
goto error_return;
}
}
laddr = irel->r_vaddr - sec->vma + 4;
laddr += ((irel->r_offset & 0xffffffff) ^ 0x80000000) - 0x80000000;
if (laddr >= sec->_raw_size)
{
(*_bfd_error_handler) ("%s: 0x%lx: warning: bad R_SH_USES offset",
bfd_archive_filename (abfd),
(unsigned long) irel->r_vaddr);
continue;
}
insn = bfd_get_16 (abfd, contents + laddr);
if ((insn & 0xf000) != 0xd000)
{
((*_bfd_error_handler)
("%s: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x",
bfd_archive_filename (abfd), (unsigned long) irel->r_vaddr, insn));
continue;
}
paddr = insn & 0xff;
paddr *= 4;
paddr += (laddr + 4) &~ (bfd_vma) 3;
if (paddr >= sec->_raw_size)
{
((*_bfd_error_handler)
("%s: 0x%lx: warning: bad R_SH_USES load offset",
bfd_archive_filename (abfd), (unsigned long) irel->r_vaddr));
continue;
}
paddr += sec->vma;
for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
if (irelfn->r_vaddr == paddr
#ifdef COFF_WITH_PE
&& (irelfn->r_type == R_SH_IMM32
|| irelfn->r_type == R_SH_IMM32CE
|| irelfn->r_type == R_SH_IMAGEBASE))
#else
&& irelfn->r_type == R_SH_IMM32)
#endif
break;
if (irelfn >= irelend)
{
((*_bfd_error_handler)
("%s: 0x%lx: warning: could not find expected reloc",
bfd_archive_filename (abfd), (unsigned long) paddr));
continue;
}
if (! _bfd_coff_get_external_symbols (abfd))
goto error_return;
bfd_coff_swap_sym_in (abfd,
((bfd_byte *) obj_coff_external_syms (abfd)
+ (irelfn->r_symndx
* bfd_coff_symesz (abfd))),
&sym);
if (sym.n_scnum != 0 && sym.n_scnum != sec->target_index)
{
((*_bfd_error_handler)
("%s: 0x%lx: warning: symbol in unexpected section",
bfd_archive_filename (abfd), (unsigned long) paddr));
continue;
}
if (sym.n_sclass != C_EXT)
{
symval = (sym.n_value
- sec->vma
+ sec->output_section->vma
+ sec->output_offset);
}
else
{
struct coff_link_hash_entry *h;
h = obj_coff_sym_hashes (abfd)[irelfn->r_symndx];
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);
}
symval += bfd_get_32 (abfd, contents + paddr - sec->vma);
foff = (symval
- (irel->r_vaddr
- sec->vma
+ sec->output_section->vma
+ sec->output_offset
+ 4));
if (foff < -0x1000 || foff >= 0x1000)
{
continue;
}
if (coff_section_data (abfd, sec) == NULL)
{
bfd_size_type amt = sizeof (struct coff_section_tdata);
sec->used_by_bfd = (PTR) bfd_zalloc (abfd, amt);
if (sec->used_by_bfd == NULL)
goto error_return;
}
coff_section_data (abfd, sec)->relocs = internal_relocs;
coff_section_data (abfd, sec)->keep_relocs = TRUE;
free_relocs = NULL;
coff_section_data (abfd, sec)->contents = contents;
coff_section_data (abfd, sec)->keep_contents = TRUE;
free_contents = NULL;
obj_coff_keep_syms (abfd) = TRUE;
irel->r_type = R_SH_PCDISP;
irel->r_symndx = irelfn->r_symndx;
if (sym.n_sclass != C_EXT)
{
bfd_put_16 (abfd,
(bfd_vma) 0xb000 | ((foff >> 1) & 0xfff),
contents + irel->r_vaddr - sec->vma);
}
else
{
bfd_put_16 (abfd, (bfd_vma) 0xb000,
contents + irel->r_vaddr - sec->vma);
}
for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
if (irelscan->r_type == R_SH_USES
&& laddr == irelscan->r_vaddr - sec->vma + 4 + irelscan->r_offset)
break;
if (irelscan < irelend)
{
continue;
}
for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
if (irelcount->r_vaddr == paddr
&& irelcount->r_type == R_SH_COUNT)
break;
if (! sh_relax_delete_bytes (abfd, sec, laddr, 2))
goto error_return;
*again = TRUE;
if (irelcount >= irelend)
{
((*_bfd_error_handler)
("%s: 0x%lx: warning: could not find expected COUNT reloc",
bfd_archive_filename (abfd), (unsigned long) paddr));
continue;
}
if (irelcount->r_offset == 0)
{
((*_bfd_error_handler) ("%s: 0x%lx: warning: bad count",
bfd_archive_filename (abfd),
(unsigned long) paddr));
continue;
}
--irelcount->r_offset;
if (irelcount->r_offset == 0)
{
if (! sh_relax_delete_bytes (abfd, sec,
irelfn->r_vaddr - sec->vma, 4))
goto error_return;
}
}
if (have_code)
{
bfd_boolean swapped;
if (contents == NULL)
{
if (coff_section_data (abfd, sec) != NULL
&& coff_section_data (abfd, sec)->contents != NULL)
contents = coff_section_data (abfd, sec)->contents;
else
{
contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
if (contents == NULL)
goto error_return;
free_contents = contents;
if (! bfd_get_section_contents (abfd, sec, contents,
(file_ptr) 0, sec->_raw_size))
goto error_return;
}
}
if (! sh_align_loads (abfd, sec, internal_relocs, contents, &swapped))
goto error_return;
if (swapped)
{
if (coff_section_data (abfd, sec) == NULL)
{
bfd_size_type amt = sizeof (struct coff_section_tdata);
sec->used_by_bfd = (PTR) bfd_zalloc (abfd, amt);
if (sec->used_by_bfd == NULL)
goto error_return;
}
coff_section_data (abfd, sec)->relocs = internal_relocs;
coff_section_data (abfd, sec)->keep_relocs = TRUE;
free_relocs = NULL;
coff_section_data (abfd, sec)->contents = contents;
coff_section_data (abfd, sec)->keep_contents = TRUE;
free_contents = NULL;
obj_coff_keep_syms (abfd) = TRUE;
}
}
if (free_relocs != NULL)
{
free (free_relocs);
free_relocs = NULL;
}
if (free_contents != NULL)
{
if (! link_info->keep_memory)
free (free_contents);
else
{
if (coff_section_data (abfd, sec) == NULL)
{
bfd_size_type amt = sizeof (struct coff_section_tdata);
sec->used_by_bfd = (PTR) bfd_zalloc (abfd, amt);
if (sec->used_by_bfd == NULL)
goto error_return;
coff_section_data (abfd, sec)->relocs = NULL;
}
coff_section_data (abfd, sec)->contents = contents;
}
}
return TRUE;
error_return:
if (free_relocs != NULL)
free (free_relocs);
if (free_contents != NULL)
free (free_contents);
return FALSE;
}
static bfd_boolean
sh_relax_delete_bytes (abfd, sec, addr, count)
bfd *abfd;
asection *sec;
bfd_vma addr;
int count;
{
bfd_byte *contents;
struct internal_reloc *irel, *irelend;
struct internal_reloc *irelalign;
bfd_vma toaddr;
bfd_byte *esym, *esymend;
bfd_size_type symesz;
struct coff_link_hash_entry **sym_hash;
asection *o;
contents = coff_section_data (abfd, sec)->contents;
irelalign = NULL;
toaddr = sec->_cooked_size;
irel = coff_section_data (abfd, sec)->relocs;
irelend = irel + sec->reloc_count;
for (; irel < irelend; irel++)
{
if (irel->r_type == R_SH_ALIGN
&& irel->r_vaddr - sec->vma > addr
&& count < (1 << irel->r_offset))
{
irelalign = irel;
toaddr = irel->r_vaddr - sec->vma;
break;
}
}
memmove (contents + addr, contents + addr + count,
(size_t) (toaddr - addr - count));
if (irelalign == NULL)
sec->_cooked_size -= count;
else
{
int i;
#define NOP_OPCODE (0x0009)
BFD_ASSERT ((count & 1) == 0);
for (i = 0; i < count; i += 2)
bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
}
for (irel = coff_section_data (abfd, sec)->relocs; irel < irelend; irel++)
{
bfd_vma nraddr, stop;
bfd_vma start = 0;
int insn = 0;
struct internal_syment sym;
int off, adjust, oinsn;
bfd_signed_vma voff = 0;
bfd_boolean overflow;
nraddr = irel->r_vaddr - sec->vma;
if ((irel->r_vaddr - sec->vma > addr
&& irel->r_vaddr - sec->vma < toaddr)
|| (irel->r_type == R_SH_ALIGN
&& irel->r_vaddr - sec->vma == toaddr))
nraddr -= count;
if (irel->r_vaddr - sec->vma >= addr
&& irel->r_vaddr - sec->vma < addr + count
&& irel->r_type != R_SH_ALIGN
&& irel->r_type != R_SH_CODE
&& irel->r_type != R_SH_DATA
&& irel->r_type != R_SH_LABEL)
irel->r_type = R_SH_UNUSED;
switch (irel->r_type)
{
default:
break;
case R_SH_PCDISP8BY2:
case R_SH_PCDISP:
case R_SH_PCRELIMM8BY2:
case R_SH_PCRELIMM8BY4:
start = irel->r_vaddr - sec->vma;
insn = bfd_get_16 (abfd, contents + nraddr);
break;
}
switch (irel->r_type)
{
default:
start = stop = addr;
break;
case R_SH_IMM32:
#ifdef COFF_WITH_PE
case R_SH_IMM32CE:
case R_SH_IMAGEBASE:
#endif
bfd_coff_swap_sym_in (abfd,
((bfd_byte *) obj_coff_external_syms (abfd)
+ (irel->r_symndx
* bfd_coff_symesz (abfd))),
&sym);
if (sym.n_sclass != C_EXT
&& sym.n_scnum == sec->target_index
&& ((bfd_vma) sym.n_value <= addr
|| (bfd_vma) sym.n_value >= toaddr))
{
bfd_vma val;
val = bfd_get_32 (abfd, contents + nraddr);
val += sym.n_value;
if (val > addr && val < toaddr)
bfd_put_32 (abfd, val - count, contents + nraddr);
}
start = stop = addr;
break;
case R_SH_PCDISP8BY2:
off = insn & 0xff;
if (off & 0x80)
off -= 0x100;
stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
break;
case R_SH_PCDISP:
bfd_coff_swap_sym_in (abfd,
((bfd_byte *) obj_coff_external_syms (abfd)
+ (irel->r_symndx
* bfd_coff_symesz (abfd))),
&sym);
if (sym.n_sclass == C_EXT)
start = stop = addr;
else
{
off = insn & 0xfff;
if (off & 0x800)
off -= 0x1000;
stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
}
break;
case R_SH_PCRELIMM8BY2:
off = insn & 0xff;
stop = start + 4 + off * 2;
break;
case R_SH_PCRELIMM8BY4:
off = insn & 0xff;
stop = (start &~ (bfd_vma) 3) + 4 + off * 4;
break;
case R_SH_SWITCH8:
case R_SH_SWITCH16:
case R_SH_SWITCH32:
start = irel->r_vaddr - sec->vma;
stop = (bfd_vma) ((bfd_signed_vma) start - (long) irel->r_offset);
if (start > addr
&& start < toaddr
&& (stop <= addr || stop >= toaddr))
irel->r_offset += count;
else if (stop > addr
&& stop < toaddr
&& (start <= addr || start >= toaddr))
irel->r_offset -= count;
start = stop;
if (irel->r_type == R_SH_SWITCH16)
voff = bfd_get_signed_16 (abfd, contents + nraddr);
else if (irel->r_type == R_SH_SWITCH8)
voff = bfd_get_8 (abfd, contents + nraddr);
else
voff = bfd_get_signed_32 (abfd, contents + nraddr);
stop = (bfd_vma) ((bfd_signed_vma) start + voff);
break;
case R_SH_USES:
start = irel->r_vaddr - sec->vma;
stop = (bfd_vma) ((bfd_signed_vma) start
+ (long) irel->r_offset
+ 4);
break;
}
if (start > addr
&& start < toaddr
&& (stop <= addr || stop >= toaddr))
adjust = count;
else if (stop > addr
&& stop < toaddr
&& (start <= addr || start >= toaddr))
adjust = - count;
else
adjust = 0;
if (adjust != 0)
{
oinsn = insn;
overflow = FALSE;
switch (irel->r_type)
{
default:
abort ();
break;
case R_SH_PCDISP8BY2:
case R_SH_PCRELIMM8BY2:
insn += adjust / 2;
if ((oinsn & 0xff00) != (insn & 0xff00))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
break;
case R_SH_PCDISP:
insn += adjust / 2;
if ((oinsn & 0xf000) != (insn & 0xf000))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
break;
case R_SH_PCRELIMM8BY4:
BFD_ASSERT (adjust == count || count >= 4);
if (count >= 4)
insn += adjust / 4;
else
{
if ((irel->r_vaddr & 3) == 0)
++insn;
}
if ((oinsn & 0xff00) != (insn & 0xff00))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
break;
case R_SH_SWITCH8:
voff += adjust;
if (voff < 0 || voff >= 0xff)
overflow = TRUE;
bfd_put_8 (abfd, (bfd_vma) voff, contents + nraddr);
break;
case R_SH_SWITCH16:
voff += adjust;
if (voff < - 0x8000 || voff >= 0x8000)
overflow = TRUE;
bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
break;
case R_SH_SWITCH32:
voff += adjust;
bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
break;
case R_SH_USES:
irel->r_offset += adjust;
break;
}
if (overflow)
{
((*_bfd_error_handler)
("%s: 0x%lx: fatal: reloc overflow while relaxing",
bfd_archive_filename (abfd), (unsigned long) irel->r_vaddr));
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
}
irel->r_vaddr = nraddr + sec->vma;
}
for (o = abfd->sections; o != NULL; o = o->next)
{
struct internal_reloc *internal_relocs;
struct internal_reloc *irelscan, *irelscanend;
bfd_byte *ocontents;
if (o == sec
|| (o->flags & SEC_RELOC) == 0
|| o->reloc_count == 0)
continue;
internal_relocs = (_bfd_coff_read_internal_relocs
(abfd, o, TRUE, (bfd_byte *) NULL, FALSE,
(struct internal_reloc *) NULL));
if (internal_relocs == NULL)
return FALSE;
ocontents = NULL;
irelscanend = internal_relocs + o->reloc_count;
for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
{
struct internal_syment sym;
#ifdef COFF_WITH_PE
if (irelscan->r_type != R_SH_IMM32
&& irelscan->r_type != R_SH_IMAGEBASE
&& irelscan->r_type != R_SH_IMM32CE)
#else
if (irelscan->r_type != R_SH_IMM32)
#endif
continue;
bfd_coff_swap_sym_in (abfd,
((bfd_byte *) obj_coff_external_syms (abfd)
+ (irelscan->r_symndx
* bfd_coff_symesz (abfd))),
&sym);
if (sym.n_sclass != C_EXT
&& sym.n_scnum == sec->target_index
&& ((bfd_vma) sym.n_value <= addr
|| (bfd_vma) sym.n_value >= toaddr))
{
bfd_vma val;
if (ocontents == NULL)
{
if (coff_section_data (abfd, o)->contents != NULL)
ocontents = coff_section_data (abfd, o)->contents;
else
{
ocontents = (bfd_byte *) bfd_malloc (o->_raw_size);
if (ocontents == NULL)
return FALSE;
if (! bfd_get_section_contents (abfd, o, ocontents,
(file_ptr) 0,
o->_raw_size))
return FALSE;
coff_section_data (abfd, o)->contents = ocontents;
}
}
val = bfd_get_32 (abfd, ocontents + irelscan->r_vaddr - o->vma);
val += sym.n_value;
if (val > addr && val < toaddr)
bfd_put_32 (abfd, val - count,
ocontents + irelscan->r_vaddr - o->vma);
coff_section_data (abfd, o)->keep_contents = TRUE;
}
}
}
if (obj_symbols (abfd) != NULL
|| obj_raw_syments (abfd) != NULL)
{
((*_bfd_error_handler)
("%s: fatal: generic symbols retrieved before relaxing",
bfd_archive_filename (abfd)));
bfd_set_error (bfd_error_invalid_operation);
return FALSE;
}
sym_hash = obj_coff_sym_hashes (abfd);
symesz = bfd_coff_symesz (abfd);
esym = (bfd_byte *) obj_coff_external_syms (abfd);
esymend = esym + obj_raw_syment_count (abfd) * symesz;
while (esym < esymend)
{
struct internal_syment isym;
bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &isym);
if (isym.n_scnum == sec->target_index
&& (bfd_vma) isym.n_value > addr
&& (bfd_vma) isym.n_value < toaddr)
{
isym.n_value -= count;
bfd_coff_swap_sym_out (abfd, (PTR) &isym, (PTR) esym);
if (*sym_hash != NULL)
{
BFD_ASSERT ((*sym_hash)->root.type == bfd_link_hash_defined
|| (*sym_hash)->root.type == bfd_link_hash_defweak);
BFD_ASSERT ((*sym_hash)->root.u.def.value >= addr
&& (*sym_hash)->root.u.def.value < toaddr);
(*sym_hash)->root.u.def.value -= count;
}
}
esym += (isym.n_numaux + 1) * symesz;
sym_hash += isym.n_numaux + 1;
}
if (irelalign != NULL)
{
bfd_vma alignto, alignaddr;
alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_offset);
alignaddr = BFD_ALIGN (irelalign->r_vaddr - sec->vma,
1 << irelalign->r_offset);
if (alignto != alignaddr)
{
return sh_relax_delete_bytes (abfd, sec, alignaddr,
(int) (alignto - alignaddr));
}
}
return TRUE;
}
struct sh_major_opcode
{
const struct sh_minor_opcode *minor_opcodes;
unsigned short count;
};
struct sh_minor_opcode
{
const struct sh_opcode *opcodes;
unsigned short count;
unsigned short mask;
};
struct sh_opcode
{
unsigned short opcode;
unsigned long flags;
};
#define LOAD (0x1)
#define STORE (0x2)
#define BRANCH (0x4)
#define DELAY (0x8)
#define USES1 (0x10)
#define USES1_REG(x) ((x & 0x0f00) >> 8)
#define USES2 (0x20)
#define USES2_REG(x) ((x & 0x00f0) >> 4)
#define USESR0 (0x40)
#define SETS1 (0x80)
#define SETS1_REG(x) ((x & 0x0f00) >> 8)
#define SETS2 (0x100)
#define SETS2_REG(x) ((x & 0x00f0) >> 4)
#define SETSR0 (0x200)
#define SETSSP (0x400)
#define USESSP (0x800)
#define USESF1 (0x1000)
#define USESF1_REG(x) ((x & 0x0f00) >> 8)
#define USESF2 (0x2000)
#define USESF2_REG(x) ((x & 0x00f0) >> 4)
#define USESF0 (0x4000)
#define SETSF1 (0x8000)
#define SETSF1_REG(x) ((x & 0x0f00) >> 8)
#define USESAS (0x10000)
#define USESAS_REG(x) (((((x) >> 8) - 2) & 3) + 2)
#define USESR8 (0x20000)
#define SETSAS (0x40000)
#define SETSAS_REG(x) USESAS_REG (x)
#ifndef COFF_IMAGE_WITH_PE
static bfd_boolean sh_insn_uses_reg
PARAMS ((unsigned int, const struct sh_opcode *, unsigned int));
static bfd_boolean sh_insn_sets_reg
PARAMS ((unsigned int, const struct sh_opcode *, unsigned int));
static bfd_boolean sh_insn_uses_or_sets_reg
PARAMS ((unsigned int, const struct sh_opcode *, unsigned int));
static bfd_boolean sh_insn_uses_freg
PARAMS ((unsigned int, const struct sh_opcode *, unsigned int));
static bfd_boolean sh_insn_sets_freg
PARAMS ((unsigned int, const struct sh_opcode *, unsigned int));
static bfd_boolean sh_insn_uses_or_sets_freg
PARAMS ((unsigned int, const struct sh_opcode *, unsigned int));
static bfd_boolean sh_insns_conflict
PARAMS ((unsigned int, const struct sh_opcode *, unsigned int,
const struct sh_opcode *));
static bfd_boolean sh_load_use
PARAMS ((unsigned int, const struct sh_opcode *, unsigned int,
const struct sh_opcode *));
#endif
#define MAP(a) a, sizeof a / sizeof a[0]
static const struct sh_opcode sh_opcode00[] =
{
{ 0x0008, SETSSP },
{ 0x0009, 0 },
{ 0x000b, BRANCH | DELAY | USESSP },
{ 0x0018, SETSSP },
{ 0x0019, SETSSP },
{ 0x001b, 0 },
{ 0x0028, SETSSP },
{ 0x002b, BRANCH | DELAY | SETSSP },
{ 0x0038, USESSP | SETSSP },
{ 0x0048, SETSSP },
{ 0x0058, SETSSP }
};
static const struct sh_opcode sh_opcode01[] =
{
{ 0x0003, BRANCH | DELAY | USES1 | SETSSP },
{ 0x000a, SETS1 | USESSP },
{ 0x001a, SETS1 | USESSP },
{ 0x0023, BRANCH | DELAY | USES1 },
{ 0x0029, SETS1 | USESSP },
{ 0x002a, SETS1 | USESSP },
{ 0x005a, SETS1 | USESSP },
{ 0x006a, SETS1 | USESSP },
{ 0x0083, LOAD | USES1 },
{ 0x007a, SETS1 | USESSP },
{ 0x008a, SETS1 | USESSP },
{ 0x009a, SETS1 | USESSP },
{ 0x00aa, SETS1 | USESSP },
{ 0x00ba, SETS1 | USESSP }
};
#if 0
{ 0x0002, SETS1 | USESSP },
{ 0x0012, SETS1 | USESSP },
{ 0x0022, SETS1 | USESSP },
{ 0x0032, SETS1 | USESSP },
{ 0x0042, SETS1 | USESSP },
{ 0x0052, SETS1 | USESSP },
{ 0x0062, SETS1 | USESSP },
{ 0x0072, SETS1 | USESSP },
{ 0x0082, SETS1 | USESSP },
{ 0x0092, SETS1 | USESSP },
{ 0x00a2, SETS1 | USESSP },
{ 0x00b2, SETS1 | USESSP },
{ 0x00c2, SETS1 | USESSP },
{ 0x00d2, SETS1 | USESSP },
{ 0x00e2, SETS1 | USESSP },
{ 0x00f2, SETS1 | USESSP }
#endif
static const struct sh_opcode sh_opcode02[] =
{
{ 0x0002, SETS1 | USESSP },
{ 0x0004, STORE | USES1 | USES2 | USESR0 },
{ 0x0005, STORE | USES1 | USES2 | USESR0 },
{ 0x0006, STORE | USES1 | USES2 | USESR0 },
{ 0x0007, SETSSP | USES1 | USES2 },
{ 0x000c, LOAD | SETS1 | USES2 | USESR0 },
{ 0x000d, LOAD | SETS1 | USES2 | USESR0 },
{ 0x000e, LOAD | SETS1 | USES2 | USESR0 },
{ 0x000f, LOAD|SETS1|SETS2|SETSSP|USES1|USES2|USESSP },
};
static const struct sh_minor_opcode sh_opcode0[] =
{
{ MAP (sh_opcode00), 0xffff },
{ MAP (sh_opcode01), 0xf0ff },
{ MAP (sh_opcode02), 0xf00f }
};
static const struct sh_opcode sh_opcode10[] =
{
{ 0x1000, STORE | USES1 | USES2 }
};
static const struct sh_minor_opcode sh_opcode1[] =
{
{ MAP (sh_opcode10), 0xf000 }
};
static const struct sh_opcode sh_opcode20[] =
{
{ 0x2000, STORE | USES1 | USES2 },
{ 0x2001, STORE | USES1 | USES2 },
{ 0x2002, STORE | USES1 | USES2 },
{ 0x2004, STORE | SETS1 | USES1 | USES2 },
{ 0x2005, STORE | SETS1 | USES1 | USES2 },
{ 0x2006, STORE | SETS1 | USES1 | USES2 },
{ 0x2007, SETSSP | USES1 | USES2 | USESSP },
{ 0x2008, SETSSP | USES1 | USES2 },
{ 0x2009, SETS1 | USES1 | USES2 },
{ 0x200a, SETS1 | USES1 | USES2 },
{ 0x200b, SETS1 | USES1 | USES2 },
{ 0x200c, SETSSP | USES1 | USES2 },
{ 0x200d, SETS1 | USES1 | USES2 },
{ 0x200e, SETSSP | USES1 | USES2 },
{ 0x200f, SETSSP | USES1 | USES2 }
};
static const struct sh_minor_opcode sh_opcode2[] =
{
{ MAP (sh_opcode20), 0xf00f }
};
static const struct sh_opcode sh_opcode30[] =
{
{ 0x3000, SETSSP | USES1 | USES2 },
{ 0x3002, SETSSP | USES1 | USES2 },
{ 0x3003, SETSSP | USES1 | USES2 },
{ 0x3004, SETSSP | USESSP | USES1 | USES2 },
{ 0x3005, SETSSP | USES1 | USES2 },
{ 0x3006, SETSSP | USES1 | USES2 },
{ 0x3007, SETSSP | USES1 | USES2 },
{ 0x3008, SETS1 | USES1 | USES2 },
{ 0x300a, SETS1 | SETSSP | USES1 | USES2 | USESSP },
{ 0x300b, SETS1 | SETSSP | USES1 | USES2 },
{ 0x300c, SETS1 | USES1 | USES2 },
{ 0x300d, SETSSP | USES1 | USES2 },
{ 0x300e, SETS1 | SETSSP | USES1 | USES2 | USESSP },
{ 0x300f, SETS1 | SETSSP | USES1 | USES2 }
};
static const struct sh_minor_opcode sh_opcode3[] =
{
{ MAP (sh_opcode30), 0xf00f }
};
static const struct sh_opcode sh_opcode40[] =
{
{ 0x4000, SETS1 | SETSSP | USES1 },
{ 0x4001, SETS1 | SETSSP | USES1 },
{ 0x4002, STORE | SETS1 | USES1 | USESSP },
{ 0x4004, SETS1 | SETSSP | USES1 },
{ 0x4005, SETS1 | SETSSP | USES1 },
{ 0x4006, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4008, SETS1 | USES1 },
{ 0x4009, SETS1 | USES1 },
{ 0x400a, SETSSP | USES1 },
{ 0x400b, BRANCH | DELAY | USES1 },
{ 0x4010, SETS1 | SETSSP | USES1 },
{ 0x4011, SETSSP | USES1 },
{ 0x4012, STORE | SETS1 | USES1 | USESSP },
{ 0x4014, SETSSP | USES1 },
{ 0x4015, SETSSP | USES1 },
{ 0x4016, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4018, SETS1 | USES1 },
{ 0x4019, SETS1 | USES1 },
{ 0x401a, SETSSP | USES1 },
{ 0x401b, LOAD | SETSSP | USES1 },
{ 0x4020, SETS1 | SETSSP | USES1 },
{ 0x4021, SETS1 | SETSSP | USES1 },
{ 0x4022, STORE | SETS1 | USES1 | USESSP },
{ 0x4024, SETS1 | SETSSP | USES1 | USESSP },
{ 0x4025, SETS1 | SETSSP | USES1 | USESSP },
{ 0x4026, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4028, SETS1 | USES1 },
{ 0x4029, SETS1 | USES1 },
{ 0x402a, SETSSP | USES1 },
{ 0x402b, BRANCH | DELAY | USES1 },
{ 0x4052, STORE | SETS1 | USES1 | USESSP },
{ 0x4056, LOAD | SETS1 | SETSSP | USES1 },
{ 0x405a, SETSSP | USES1 },
{ 0x4062, STORE | SETS1 | USES1 | USESSP },
{ 0x4066, LOAD | SETS1 | SETSSP | USES1 },
{ 0x406a, SETSSP | USES1 },
{ 0x4072, STORE | SETS1 | USES1 | USESSP },
{ 0x4076, LOAD | SETS1 | SETSSP | USES1 },
{ 0x407a, SETSSP | USES1 },
{ 0x4082, STORE | SETS1 | USES1 | USESSP },
{ 0x4086, LOAD | SETS1 | SETSSP | USES1 },
{ 0x408a, SETSSP | USES1 },
{ 0x4092, STORE | SETS1 | USES1 | USESSP },
{ 0x4096, LOAD | SETS1 | SETSSP | USES1 },
{ 0x409a, SETSSP | USES1 },
{ 0x40a2, STORE | SETS1 | USES1 | USESSP },
{ 0x40a6, LOAD | SETS1 | SETSSP | USES1 },
{ 0x40aa, SETSSP | USES1 },
{ 0x40b2, STORE | SETS1 | USES1 | USESSP },
{ 0x40b6, LOAD | SETS1 | SETSSP | USES1 },
{ 0x40ba, SETSSP | USES1 }
#if 0
{ 0x4003, STORE | SETS1 | USES1 | USESSP },
{ 0x4013, STORE | SETS1 | USES1 | USESSP },
{ 0x4023, STORE | SETS1 | USES1 | USESSP },
{ 0x4033, STORE | SETS1 | USES1 | USESSP },
{ 0x4043, STORE | SETS1 | USES1 | USESSP },
{ 0x4053, STORE | SETS1 | USES1 | USESSP },
{ 0x4063, STORE | SETS1 | USES1 | USESSP },
{ 0x4073, STORE | SETS1 | USES1 | USESSP },
{ 0x4083, STORE | SETS1 | USES1 | USESSP },
..
{ 0x40f3, STORE | SETS1 | USES1 | USESSP },
{ 0x4007, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4017, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4027, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4037, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4047, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4057, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4067, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4077, LOAD | SETS1 | SETSSP | USES1 },
{ 0x4087, LOAD | SETS1 | SETSSP | USES1 },
..
{ 0x40f7, LOAD | SETS1 | SETSSP | USES1 },
{ 0x400e, SETSSP | USES1 },
{ 0x401e, SETSSP | USES1 },
{ 0x402e, SETSSP | USES1 },
{ 0x403e, SETSSP | USES1 },
{ 0x404e, SETSSP | USES1 },
{ 0x405e, SETSSP | USES1 },
{ 0x406e, SETSSP | USES1 },
{ 0x407e, SETSSP | USES1 }
{ 0x408e, SETSSP | USES1 }
..
{ 0x40fe, SETSSP | USES1 }
#endif
};
static const struct sh_opcode sh_opcode41[] =
{
{ 0x4003, STORE | SETS1 | USES1 | USESSP },
{ 0x4007, LOAD | SETS1 | SETSSP | USES1 },
{ 0x400c, SETS1 | USES1 | USES2 },
{ 0x400d, SETS1 | USES1 | USES2 },
{ 0x400e, SETSSP | USES1 },
{ 0x400f, LOAD|SETS1|SETS2|SETSSP|USES1|USES2|USESSP },
};
static const struct sh_minor_opcode sh_opcode4[] =
{
{ MAP (sh_opcode40), 0xf0ff },
{ MAP (sh_opcode41), 0xf00f }
};
static const struct sh_opcode sh_opcode50[] =
{
{ 0x5000, LOAD | SETS1 | USES2 }
};
static const struct sh_minor_opcode sh_opcode5[] =
{
{ MAP (sh_opcode50), 0xf000 }
};
static const struct sh_opcode sh_opcode60[] =
{
{ 0x6000, LOAD | SETS1 | USES2 },
{ 0x6001, LOAD | SETS1 | USES2 },
{ 0x6002, LOAD | SETS1 | USES2 },
{ 0x6003, SETS1 | USES2 },
{ 0x6004, LOAD | SETS1 | SETS2 | USES2 },
{ 0x6005, LOAD | SETS1 | SETS2 | USES2 },
{ 0x6006, LOAD | SETS1 | SETS2 | USES2 },
{ 0x6007, SETS1 | USES2 },
{ 0x6008, SETS1 | USES2 },
{ 0x6009, SETS1 | USES2 },
{ 0x600a, SETS1 | SETSSP | USES2 | USESSP },
{ 0x600b, SETS1 | USES2 },
{ 0x600c, SETS1 | USES2 },
{ 0x600d, SETS1 | USES2 },
{ 0x600e, SETS1 | USES2 },
{ 0x600f, SETS1 | USES2 }
};
static const struct sh_minor_opcode sh_opcode6[] =
{
{ MAP (sh_opcode60), 0xf00f }
};
static const struct sh_opcode sh_opcode70[] =
{
{ 0x7000, SETS1 | USES1 }
};
static const struct sh_minor_opcode sh_opcode7[] =
{
{ MAP (sh_opcode70), 0xf000 }
};
static const struct sh_opcode sh_opcode80[] =
{
{ 0x8000, STORE | USES2 | USESR0 },
{ 0x8100, STORE | USES2 | USESR0 },
{ 0x8200, SETSSP },
{ 0x8400, LOAD | SETSR0 | USES2 },
{ 0x8500, LOAD | SETSR0 | USES2 },
{ 0x8800, SETSSP | USESR0 },
{ 0x8900, BRANCH | USESSP },
{ 0x8b00, BRANCH | USESSP },
{ 0x8c00, SETSSP },
{ 0x8d00, BRANCH | DELAY | USESSP },
{ 0x8e00, SETSSP },
{ 0x8f00, BRANCH | DELAY | USESSP }
};
static const struct sh_minor_opcode sh_opcode8[] =
{
{ MAP (sh_opcode80), 0xff00 }
};
static const struct sh_opcode sh_opcode90[] =
{
{ 0x9000, LOAD | SETS1 }
};
static const struct sh_minor_opcode sh_opcode9[] =
{
{ MAP (sh_opcode90), 0xf000 }
};
static const struct sh_opcode sh_opcodea0[] =
{
{ 0xa000, BRANCH | DELAY }
};
static const struct sh_minor_opcode sh_opcodea[] =
{
{ MAP (sh_opcodea0), 0xf000 }
};
static const struct sh_opcode sh_opcodeb0[] =
{
{ 0xb000, BRANCH | DELAY }
};
static const struct sh_minor_opcode sh_opcodeb[] =
{
{ MAP (sh_opcodeb0), 0xf000 }
};
static const struct sh_opcode sh_opcodec0[] =
{
{ 0xc000, STORE | USESR0 | USESSP },
{ 0xc100, STORE | USESR0 | USESSP },
{ 0xc200, STORE | USESR0 | USESSP },
{ 0xc300, BRANCH | USESSP },
{ 0xc400, LOAD | SETSR0 | USESSP },
{ 0xc500, LOAD | SETSR0 | USESSP },
{ 0xc600, LOAD | SETSR0 | USESSP },
{ 0xc700, SETSR0 },
{ 0xc800, SETSSP | USESR0 },
{ 0xc900, SETSR0 | USESR0 },
{ 0xca00, SETSR0 | USESR0 },
{ 0xcb00, SETSR0 | USESR0 },
{ 0xcc00, LOAD | SETSSP | USESR0 | USESSP },
{ 0xcd00, LOAD | STORE | USESR0 | USESSP },
{ 0xce00, LOAD | STORE | USESR0 | USESSP },
{ 0xcf00, LOAD | STORE | USESR0 | USESSP }
};
static const struct sh_minor_opcode sh_opcodec[] =
{
{ MAP (sh_opcodec0), 0xff00 }
};
static const struct sh_opcode sh_opcoded0[] =
{
{ 0xd000, LOAD | SETS1 }
};
static const struct sh_minor_opcode sh_opcoded[] =
{
{ MAP (sh_opcoded0), 0xf000 }
};
static const struct sh_opcode sh_opcodee0[] =
{
{ 0xe000, SETS1 }
};
static const struct sh_minor_opcode sh_opcodee[] =
{
{ MAP (sh_opcodee0), 0xf000 }
};
static const struct sh_opcode sh_opcodef0[] =
{
{ 0xf000, SETSF1 | USESF1 | USESF2 },
{ 0xf001, SETSF1 | USESF1 | USESF2 },
{ 0xf002, SETSF1 | USESF1 | USESF2 },
{ 0xf003, SETSF1 | USESF1 | USESF2 },
{ 0xf004, SETSSP | USESF1 | USESF2 },
{ 0xf005, SETSSP | USESF1 | USESF2 },
{ 0xf006, LOAD | SETSF1 | USES2 | USESR0 },
{ 0xf007, STORE | USES1 | USESF2 | USESR0 },
{ 0xf008, LOAD | SETSF1 | USES2 },
{ 0xf009, LOAD | SETS2 | SETSF1 | USES2 },
{ 0xf00a, STORE | USES1 | USESF2 },
{ 0xf00b, STORE | SETS1 | USES1 | USESF2 },
{ 0xf00c, SETSF1 | USESF2 },
{ 0xf00e, SETSF1 | USESF1 | USESF2 | USESF0 }
};
static const struct sh_opcode sh_opcodef1[] =
{
{ 0xf00d, SETSF1 | USESSP },
{ 0xf01d, SETSSP | USESF1 },
{ 0xf02d, SETSF1 | USESSP },
{ 0xf03d, SETSSP | USESF1 },
{ 0xf04d, SETSF1 | USESF1 },
{ 0xf05d, SETSF1 | USESF1 },
{ 0xf06d, SETSF1 | USESF1 },
{ 0xf07d, SETSSP | USESF1 },
{ 0xf08d, SETSF1 },
{ 0xf09d, SETSF1 }
};
static const struct sh_minor_opcode sh_opcodef[] =
{
{ MAP (sh_opcodef0), 0xf00f },
{ MAP (sh_opcodef1), 0xf0ff }
};
#ifndef COFF_IMAGE_WITH_PE
static struct sh_major_opcode sh_opcodes[] =
{
{ MAP (sh_opcode0) },
{ MAP (sh_opcode1) },
{ MAP (sh_opcode2) },
{ MAP (sh_opcode3) },
{ MAP (sh_opcode4) },
{ MAP (sh_opcode5) },
{ MAP (sh_opcode6) },
{ MAP (sh_opcode7) },
{ MAP (sh_opcode8) },
{ MAP (sh_opcode9) },
{ MAP (sh_opcodea) },
{ MAP (sh_opcodeb) },
{ MAP (sh_opcodec) },
{ MAP (sh_opcoded) },
{ MAP (sh_opcodee) },
{ MAP (sh_opcodef) }
};
#endif
static const struct sh_opcode sh_dsp_opcodef0[] =
{
{ 0xf400, USESAS | SETSAS | LOAD | SETSSP },
{ 0xf401, USESAS | SETSAS | STORE | USESSP },
{ 0xf404, USESAS | LOAD | SETSSP },
{ 0xf405, USESAS | STORE | USESSP },
{ 0xf408, USESAS | SETSAS | LOAD | SETSSP },
{ 0xf409, USESAS | SETSAS | STORE | USESSP },
{ 0xf40c, USESAS | SETSAS | LOAD | SETSSP | USESR8 },
{ 0xf40d, USESAS | SETSAS | STORE | USESSP | USESR8 }
};
static const struct sh_minor_opcode sh_dsp_opcodef[] =
{
{ MAP (sh_dsp_opcodef0), 0xfc0d }
};
#ifndef COFF_IMAGE_WITH_PE
static const struct sh_opcode *
sh_insn_info (insn)
unsigned int insn;
{
const struct sh_major_opcode *maj;
const struct sh_minor_opcode *min, *minend;
maj = &sh_opcodes[(insn & 0xf000) >> 12];
min = maj->minor_opcodes;
minend = min + maj->count;
for (; min < minend; min++)
{
unsigned int l;
const struct sh_opcode *op, *opend;
l = insn & min->mask;
op = min->opcodes;
opend = op + min->count;
for (; op < opend; op++)
if (op->opcode == l)
return op;
}
return NULL;
}
static bfd_boolean
sh_insn_uses_or_sets_reg (insn, op, reg)
unsigned int insn;
const struct sh_opcode *op;
unsigned int reg;
{
if (sh_insn_uses_reg (insn, op, reg))
return TRUE;
return sh_insn_sets_reg (insn, op, reg);
}
static bfd_boolean
sh_insn_uses_reg (insn, op, reg)
unsigned int insn;
const struct sh_opcode *op;
unsigned int reg;
{
unsigned int f;
f = op->flags;
if ((f & USES1) != 0
&& USES1_REG (insn) == reg)
return TRUE;
if ((f & USES2) != 0
&& USES2_REG (insn) == reg)
return TRUE;
if ((f & USESR0) != 0
&& reg == 0)
return TRUE;
if ((f & USESAS) && reg == USESAS_REG (insn))
return TRUE;
if ((f & USESR8) && reg == 8)
return TRUE;
return FALSE;
}
static bfd_boolean
sh_insn_sets_reg (insn, op, reg)
unsigned int insn;
const struct sh_opcode *op;
unsigned int reg;
{
unsigned int f;
f = op->flags;
if ((f & SETS1) != 0
&& SETS1_REG (insn) == reg)
return TRUE;
if ((f & SETS2) != 0
&& SETS2_REG (insn) == reg)
return TRUE;
if ((f & SETSR0) != 0
&& reg == 0)
return TRUE;
if ((f & SETSAS) && reg == SETSAS_REG (insn))
return TRUE;
return FALSE;
}
static bfd_boolean
sh_insn_uses_or_sets_freg (insn, op, reg)
unsigned int insn;
const struct sh_opcode *op;
unsigned int reg;
{
if (sh_insn_uses_freg (insn, op, reg))
return TRUE;
return sh_insn_sets_freg (insn, op, reg);
}
static bfd_boolean
sh_insn_uses_freg (insn, op, freg)
unsigned int insn;
const struct sh_opcode *op;
unsigned int freg;
{
unsigned int f;
f = op->flags;
if ((f & USESF1) != 0
&& (USESF1_REG (insn) & 0xe) == (freg & 0xe))
return TRUE;
if ((f & USESF2) != 0
&& (USESF2_REG (insn) & 0xe) == (freg & 0xe))
return TRUE;
if ((f & USESF0) != 0
&& freg == 0)
return TRUE;
return FALSE;
}
static bfd_boolean
sh_insn_sets_freg (insn, op, freg)
unsigned int insn;
const struct sh_opcode *op;
unsigned int freg;
{
unsigned int f;
f = op->flags;
if ((f & SETSF1) != 0
&& (SETSF1_REG (insn) & 0xe) == (freg & 0xe))
return TRUE;
return FALSE;
}
static bfd_boolean
sh_insns_conflict (i1, op1, i2, op2)
unsigned int i1;
const struct sh_opcode *op1;
unsigned int i2;
const struct sh_opcode *op2;
{
unsigned int f1, f2;
f1 = op1->flags;
f2 = op2->flags;
if (((i1 & 0xf0ff) == 0x4066 && (i2 & 0xf000) == 0xf000)
|| ((i2 & 0xf0ff) == 0x4066 && (i1 & 0xf000) == 0xf000))
return TRUE;
if ((f1 & (BRANCH | DELAY)) != 0
|| (f2 & (BRANCH | DELAY)) != 0)
return TRUE;
if (((f1 | f2) & SETSSP)
&& (f1 & (SETSSP | USESSP))
&& (f2 & (SETSSP | USESSP)))
return TRUE;
if ((f1 & SETS1) != 0
&& sh_insn_uses_or_sets_reg (i2, op2, SETS1_REG (i1)))
return TRUE;
if ((f1 & SETS2) != 0
&& sh_insn_uses_or_sets_reg (i2, op2, SETS2_REG (i1)))
return TRUE;
if ((f1 & SETSR0) != 0
&& sh_insn_uses_or_sets_reg (i2, op2, 0))
return TRUE;
if ((f1 & SETSAS)
&& sh_insn_uses_or_sets_reg (i2, op2, SETSAS_REG (i1)))
return TRUE;
if ((f1 & SETSF1) != 0
&& sh_insn_uses_or_sets_freg (i2, op2, SETSF1_REG (i1)))
return TRUE;
if ((f2 & SETS1) != 0
&& sh_insn_uses_or_sets_reg (i1, op1, SETS1_REG (i2)))
return TRUE;
if ((f2 & SETS2) != 0
&& sh_insn_uses_or_sets_reg (i1, op1, SETS2_REG (i2)))
return TRUE;
if ((f2 & SETSR0) != 0
&& sh_insn_uses_or_sets_reg (i1, op1, 0))
return TRUE;
if ((f2 & SETSAS)
&& sh_insn_uses_or_sets_reg (i1, op1, SETSAS_REG (i2)))
return TRUE;
if ((f2 & SETSF1) != 0
&& sh_insn_uses_or_sets_freg (i1, op1, SETSF1_REG (i2)))
return TRUE;
return FALSE;
}
static bfd_boolean
sh_load_use (i1, op1, i2, op2)
unsigned int i1;
const struct sh_opcode *op1;
unsigned int i2;
const struct sh_opcode *op2;
{
unsigned int f1;
f1 = op1->flags;
if ((f1 & LOAD) == 0)
return FALSE;
if ((f1 & SETS1) != 0
&& (f1 & SETSSP) == 0
&& sh_insn_uses_reg (i2, op2, (i1 & 0x0f00) >> 8))
return TRUE;
if ((f1 & SETSR0) != 0
&& sh_insn_uses_reg (i2, op2, 0))
return TRUE;
if ((f1 & SETSF1) != 0
&& sh_insn_uses_freg (i2, op2, (i1 & 0x0f00) >> 8))
return TRUE;
return FALSE;
}
#ifdef COFF_WITH_PE
static
#endif
bfd_boolean
_bfd_sh_align_load_span (abfd, sec, contents, swap, relocs,
plabel, label_end, start, stop, pswapped)
bfd *abfd;
asection *sec;
bfd_byte *contents;
bfd_boolean (*swap) PARAMS ((bfd *, asection *, PTR, bfd_byte *, bfd_vma));
PTR relocs;
bfd_vma **plabel;
bfd_vma *label_end;
bfd_vma start;
bfd_vma stop;
bfd_boolean *pswapped;
{
int dsp = (abfd->arch_info->mach == bfd_mach_sh_dsp
|| abfd->arch_info->mach == bfd_mach_sh3_dsp);
bfd_vma i;
if (abfd->arch_info->mach == bfd_mach_sh4)
return TRUE;
if (dsp)
{
sh_opcodes[0xf].minor_opcodes = sh_dsp_opcodef;
sh_opcodes[0xf].count = sizeof sh_dsp_opcodef / sizeof sh_dsp_opcodef;
}
if ((start & 1) == 1)
++start;
i = start;
if ((i & 2) == 0)
i += 2;
for (; i < stop; i += 4)
{
unsigned int insn;
const struct sh_opcode *op;
unsigned int prev_insn = 0;
const struct sh_opcode *prev_op = NULL;
insn = bfd_get_16 (abfd, contents + i);
op = sh_insn_info (insn);
if (op == NULL
|| (op->flags & (LOAD | STORE)) == 0)
continue;
while (*plabel < label_end && **plabel < i)
++*plabel;
if (i > start)
{
prev_insn = bfd_get_16 (abfd, contents + i - 2);
if (dsp && (prev_insn & 0xfc00) == 0xf800)
continue;
if (dsp && i - 2 > start)
{
unsigned pprev_insn = bfd_get_16 (abfd, contents + i - 4);
if ((pprev_insn & 0xfc00) == 0xf800)
prev_op = NULL;
else
prev_op = sh_insn_info (prev_insn);
}
else
prev_op = sh_insn_info (prev_insn);
if (prev_op == NULL
|| (prev_op->flags & DELAY) != 0)
continue;
}
if (i > start
&& (*plabel >= label_end || **plabel != i)
&& prev_op != NULL
&& (prev_op->flags & (LOAD | STORE)) == 0
&& ! sh_insns_conflict (prev_insn, prev_op, insn, op))
{
bfd_boolean ok;
ok = TRUE;
if (i >= start + 4)
{
unsigned int prev2_insn;
const struct sh_opcode *prev2_op;
prev2_insn = bfd_get_16 (abfd, contents + i - 4);
prev2_op = sh_insn_info (prev2_insn);
if (prev2_op == NULL
|| (prev2_op->flags & DELAY) != 0)
ok = FALSE;
if (ok
&& (prev2_op->flags & LOAD) != 0
&& sh_load_use (prev2_insn, prev2_op, insn, op))
ok = FALSE;
}
if (ok)
{
if (! (*swap) (abfd, sec, relocs, contents, i - 2))
return FALSE;
*pswapped = TRUE;
continue;
}
}
while (*plabel < label_end && **plabel < i + 2)
++*plabel;
if (i + 2 < stop
&& (*plabel >= label_end || **plabel != i + 2))
{
unsigned int next_insn;
const struct sh_opcode *next_op;
next_insn = bfd_get_16 (abfd, contents + i + 2);
next_op = sh_insn_info (next_insn);
if (next_op != NULL
&& (next_op->flags & (LOAD | STORE)) == 0
&& ! sh_insns_conflict (insn, op, next_insn, next_op))
{
bfd_boolean ok;
ok = TRUE;
if (prev_op != NULL
&& (prev_op->flags & LOAD) != 0
&& sh_load_use (prev_insn, prev_op, next_insn, next_op))
ok = FALSE;
if (ok
&& i + 4 < stop
&& (op->flags & LOAD) != 0)
{
unsigned int next2_insn;
const struct sh_opcode *next2_op;
next2_insn = bfd_get_16 (abfd, contents + i + 4);
next2_op = sh_insn_info (next2_insn);
if ((next2_op->flags & (LOAD | STORE)) == 0
&& sh_load_use (insn, op, next2_insn, next2_op))
ok = FALSE;
}
if (ok)
{
if (! (*swap) (abfd, sec, relocs, contents, i))
return FALSE;
*pswapped = TRUE;
continue;
}
}
}
}
return TRUE;
}
#endif
static bfd_boolean
sh_align_loads (abfd, sec, internal_relocs, contents, pswapped)
bfd *abfd;
asection *sec;
struct internal_reloc *internal_relocs;
bfd_byte *contents;
bfd_boolean *pswapped;
{
struct internal_reloc *irel, *irelend;
bfd_vma *labels = NULL;
bfd_vma *label, *label_end;
bfd_size_type amt;
*pswapped = FALSE;
irelend = internal_relocs + sec->reloc_count;
amt = (bfd_size_type) sec->reloc_count * sizeof (bfd_vma);
labels = (bfd_vma *) bfd_malloc (amt);
if (labels == NULL)
goto error_return;
label_end = labels;
for (irel = internal_relocs; irel < irelend; irel++)
{
if (irel->r_type == R_SH_LABEL)
{
*label_end = irel->r_vaddr - sec->vma;
++label_end;
}
}
label = labels;
for (irel = internal_relocs; irel < irelend; irel++)
{
bfd_vma start, stop;
if (irel->r_type != R_SH_CODE)
continue;
start = irel->r_vaddr - sec->vma;
for (irel++; irel < irelend; irel++)
if (irel->r_type == R_SH_DATA)
break;
if (irel < irelend)
stop = irel->r_vaddr - sec->vma;
else
stop = sec->_cooked_size;
if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_swap_insns,
(PTR) internal_relocs, &label,
label_end, start, stop, pswapped))
goto error_return;
}
free (labels);
return TRUE;
error_return:
if (labels != NULL)
free (labels);
return FALSE;
}
static bfd_boolean
sh_swap_insns (abfd, sec, relocs, contents, addr)
bfd *abfd;
asection *sec;
PTR relocs;
bfd_byte *contents;
bfd_vma addr;
{
struct internal_reloc *internal_relocs = (struct internal_reloc *) relocs;
unsigned short i1, i2;
struct internal_reloc *irel, *irelend;
i1 = bfd_get_16 (abfd, contents + addr);
i2 = bfd_get_16 (abfd, contents + addr + 2);
bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
irelend = internal_relocs + sec->reloc_count;
for (irel = internal_relocs; irel < irelend; irel++)
{
int type, add;
type = irel->r_type;
if (type == R_SH_ALIGN
|| type == R_SH_CODE
|| type == R_SH_DATA
|| type == R_SH_LABEL)
continue;
if (type == R_SH_USES)
{
bfd_vma off;
off = irel->r_vaddr - sec->vma + 4 + irel->r_offset;
if (off == addr)
irel->r_offset += 2;
else if (off == addr + 2)
irel->r_offset -= 2;
}
if (irel->r_vaddr - sec->vma == addr)
{
irel->r_vaddr += 2;
add = -2;
}
else if (irel->r_vaddr - sec->vma == addr + 2)
{
irel->r_vaddr -= 2;
add = 2;
}
else
add = 0;
if (add != 0)
{
bfd_byte *loc;
unsigned short insn, oinsn;
bfd_boolean overflow;
loc = contents + irel->r_vaddr - sec->vma;
overflow = FALSE;
switch (type)
{
default:
break;
case R_SH_PCDISP8BY2:
case R_SH_PCRELIMM8BY2:
insn = bfd_get_16 (abfd, loc);
oinsn = insn;
insn += add / 2;
if ((oinsn & 0xff00) != (insn & 0xff00))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, loc);
break;
case R_SH_PCDISP:
insn = bfd_get_16 (abfd, loc);
oinsn = insn;
insn += add / 2;
if ((oinsn & 0xf000) != (insn & 0xf000))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, loc);
break;
case R_SH_PCRELIMM8BY4:
if ((addr & 3) != 0)
{
insn = bfd_get_16 (abfd, loc);
oinsn = insn;
insn += add / 2;
if ((oinsn & 0xff00) != (insn & 0xff00))
overflow = TRUE;
bfd_put_16 (abfd, (bfd_vma) insn, loc);
}
break;
}
if (overflow)
{
((*_bfd_error_handler)
("%s: 0x%lx: fatal: reloc overflow while relaxing",
bfd_archive_filename (abfd), (unsigned long) irel->r_vaddr));
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
}
}
return TRUE;
}
static bfd_boolean
sh_relocate_section (output_bfd, info, input_bfd, input_section, contents,
relocs, syms, sections)
bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
bfd *input_bfd;
asection *input_section;
bfd_byte *contents;
struct internal_reloc *relocs;
struct internal_syment *syms;
asection **sections;
{
struct internal_reloc *rel;
struct internal_reloc *relend;
rel = relocs;
relend = rel + input_section->reloc_count;
for (; rel < relend; rel++)
{
long symndx;
struct coff_link_hash_entry *h;
struct internal_syment *sym;
bfd_vma addend;
bfd_vma val;
reloc_howto_type *howto;
bfd_reloc_status_type rstat;
if (rel->r_type != R_SH_IMM32
#ifdef COFF_WITH_PE
&& rel->r_type != R_SH_IMM32CE
&& rel->r_type != R_SH_IMAGEBASE
#endif
&& rel->r_type != R_SH_PCDISP)
continue;
symndx = rel->r_symndx;
if (symndx == -1)
{
h = NULL;
sym = NULL;
}
else
{
if (symndx < 0
|| (unsigned long) symndx >= obj_raw_syment_count (input_bfd))
{
(*_bfd_error_handler)
("%s: illegal symbol index %ld in relocs",
bfd_archive_filename (input_bfd), symndx);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
h = obj_coff_sym_hashes (input_bfd)[symndx];
sym = syms + symndx;
}
if (sym != NULL && sym->n_scnum != 0)
addend = - sym->n_value;
else
addend = 0;
if (rel->r_type == R_SH_PCDISP)
addend -= 4;
if (rel->r_type >= SH_COFF_HOWTO_COUNT)
howto = NULL;
else
howto = &sh_coff_howtos[rel->r_type];
if (howto == NULL)
{
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
#ifdef COFF_WITH_PE
if (rel->r_type == R_SH_IMAGEBASE)
addend -= pe_data (input_section->output_section->owner)->pe_opthdr.ImageBase;
#endif
val = 0;
if (h == NULL)
{
asection *sec;
if (rel->r_type == R_SH_PCDISP)
continue;
if (symndx == -1)
{
sec = bfd_abs_section_ptr;
val = 0;
}
else
{
sec = sections[symndx];
val = (sec->output_section->vma
+ sec->output_offset
+ sym->n_value
- sec->vma);
}
}
else
{
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
asection *sec;
sec = h->root.u.def.section;
val = (h->root.u.def.value
+ sec->output_section->vma
+ sec->output_offset);
}
else if (! info->relocateable)
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd, input_section,
rel->r_vaddr - input_section->vma, TRUE)))
return FALSE;
}
}
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents,
rel->r_vaddr - input_section->vma,
val, addend);
switch (rstat)
{
default:
abort ();
case bfd_reloc_ok:
break;
case bfd_reloc_overflow:
{
const char *name;
char buf[SYMNMLEN + 1];
if (symndx == -1)
name = "*ABS*";
else if (h != NULL)
name = h->root.root.string;
else if (sym->_n._n_n._n_zeroes == 0
&& sym->_n._n_n._n_offset != 0)
name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset;
else
{
strncpy (buf, sym->_n._n_name, SYMNMLEN);
buf[SYMNMLEN] = '\0';
name = buf;
}
if (! ((*info->callbacks->reloc_overflow)
(info, name, howto->name, (bfd_vma) 0, input_bfd,
input_section, rel->r_vaddr - input_section->vma)))
return FALSE;
}
}
}
return TRUE;
}
static bfd_byte *
sh_coff_get_relocated_section_contents (output_bfd, link_info, link_order,
data, relocateable, symbols)
bfd *output_bfd;
struct bfd_link_info *link_info;
struct bfd_link_order *link_order;
bfd_byte *data;
bfd_boolean relocateable;
asymbol **symbols;
{
asection *input_section = link_order->u.indirect.section;
bfd *input_bfd = input_section->owner;
asection **sections = NULL;
struct internal_reloc *internal_relocs = NULL;
struct internal_syment *internal_syms = NULL;
if (relocateable
|| coff_section_data (input_bfd, input_section) == NULL
|| coff_section_data (input_bfd, input_section)->contents == NULL)
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
link_order, data,
relocateable,
symbols);
memcpy (data, coff_section_data (input_bfd, input_section)->contents,
(size_t) input_section->_raw_size);
if ((input_section->flags & SEC_RELOC) != 0
&& input_section->reloc_count > 0)
{
bfd_size_type symesz = bfd_coff_symesz (input_bfd);
bfd_byte *esym, *esymend;
struct internal_syment *isymp;
asection **secpp;
bfd_size_type amt;
if (! _bfd_coff_get_external_symbols (input_bfd))
goto error_return;
internal_relocs = (_bfd_coff_read_internal_relocs
(input_bfd, input_section, FALSE, (bfd_byte *) NULL,
FALSE, (struct internal_reloc *) NULL));
if (internal_relocs == NULL)
goto error_return;
amt = obj_raw_syment_count (input_bfd);
amt *= sizeof (struct internal_syment);
internal_syms = (struct internal_syment *) bfd_malloc (amt);
if (internal_syms == NULL)
goto error_return;
amt = obj_raw_syment_count (input_bfd);
amt *= sizeof (asection *);
sections = (asection **) bfd_malloc (amt);
if (sections == NULL)
goto error_return;
isymp = internal_syms;
secpp = sections;
esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
esymend = esym + obj_raw_syment_count (input_bfd) * symesz;
while (esym < esymend)
{
bfd_coff_swap_sym_in (input_bfd, (PTR) esym, (PTR) isymp);
if (isymp->n_scnum != 0)
*secpp = coff_section_from_bfd_index (input_bfd, isymp->n_scnum);
else
{
if (isymp->n_value == 0)
*secpp = bfd_und_section_ptr;
else
*secpp = bfd_com_section_ptr;
}
esym += (isymp->n_numaux + 1) * symesz;
secpp += isymp->n_numaux + 1;
isymp += isymp->n_numaux + 1;
}
if (! sh_relocate_section (output_bfd, link_info, input_bfd,
input_section, data, internal_relocs,
internal_syms, sections))
goto error_return;
free (sections);
sections = NULL;
free (internal_syms);
internal_syms = NULL;
free (internal_relocs);
internal_relocs = NULL;
}
return data;
error_return:
if (internal_relocs != NULL)
free (internal_relocs);
if (internal_syms != NULL)
free (internal_syms);
if (sections != NULL)
free (sections);
return NULL;
}
#ifndef TARGET_SHL_SYM
CREATE_BIG_COFF_TARGET_VEC (shcoff_vec, "coff-sh", BFD_IS_RELAXABLE, 0, '_', NULL)
#endif
#ifdef TARGET_SHL_SYM
#define TARGET_SYM TARGET_SHL_SYM
#else
#define TARGET_SYM shlcoff_vec
#endif
#ifndef TARGET_SHL_NAME
#define TARGET_SHL_NAME "coff-shl"
#endif
#ifdef COFF_WITH_PE
CREATE_LITTLE_COFF_TARGET_VEC (TARGET_SYM, TARGET_SHL_NAME, BFD_IS_RELAXABLE,
SEC_CODE | SEC_DATA, '_', NULL);
#else
CREATE_LITTLE_COFF_TARGET_VEC (TARGET_SYM, TARGET_SHL_NAME, BFD_IS_RELAXABLE,
0, '_', NULL)
#endif
#ifndef TARGET_SHL_SYM
static const bfd_target * coff_small_object_p PARAMS ((bfd *));
static bfd_boolean coff_small_new_section_hook PARAMS ((bfd *, asection *));
static const bfd_target *
coff_small_object_p (abfd)
bfd *abfd;
{
if (abfd->target_defaulted)
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
return coff_object_p (abfd);
}
static bfd_boolean
coff_small_new_section_hook (abfd, section)
bfd *abfd;
asection *section;
{
if (! coff_new_section_hook (abfd, section))
return FALSE;
if (section->alignment_power == COFF_DEFAULT_SECTION_ALIGNMENT_POWER)
section->alignment_power = 2;
return TRUE;
}
static const bfd_coff_backend_data bfd_coff_small_swap_table =
{
coff_swap_aux_in, coff_swap_sym_in, coff_swap_lineno_in,
coff_swap_aux_out, coff_swap_sym_out,
coff_swap_lineno_out, coff_swap_reloc_out,
coff_swap_filehdr_out, coff_swap_aouthdr_out,
coff_swap_scnhdr_out,
FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ, FILNMLEN,
#ifdef COFF_LONG_FILENAMES
TRUE,
#else
FALSE,
#endif
#ifdef COFF_LONG_SECTION_NAMES
TRUE,
#else
FALSE,
#endif
2,
#ifdef COFF_FORCE_SYMBOLS_IN_STRINGS
TRUE,
#else
FALSE,
#endif
#ifdef COFF_DEBUG_STRING_WIDE_PREFIX
4,
#else
2,
#endif
coff_swap_filehdr_in, coff_swap_aouthdr_in, coff_swap_scnhdr_in,
coff_swap_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
coff_classify_symbol, coff_compute_section_file_positions,
coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
coff_adjust_symndx, coff_link_add_one_symbol,
coff_link_output_has_begun, coff_final_link_postscript
};
#define coff_small_close_and_cleanup \
coff_close_and_cleanup
#define coff_small_bfd_free_cached_info \
coff_bfd_free_cached_info
#define coff_small_get_section_contents \
coff_get_section_contents
#define coff_small_get_section_contents_in_window \
coff_get_section_contents_in_window
extern const bfd_target shlcoff_small_vec;
const bfd_target shcoff_small_vec =
{
"coff-sh-small",
bfd_target_coff_flavour,
BFD_ENDIAN_BIG,
BFD_ENDIAN_BIG,
(HAS_RELOC | EXEC_P |
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC),
'_',
'/',
15,
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
{_bfd_dummy_target, coff_small_object_p,
bfd_generic_archive_p, _bfd_dummy_target},
{bfd_false, coff_mkobject, _bfd_generic_mkarchive,
bfd_false},
{bfd_false, coff_write_object_contents,
_bfd_write_archive_contents, bfd_false},
BFD_JUMP_TABLE_GENERIC (coff_small),
BFD_JUMP_TABLE_COPY (coff),
BFD_JUMP_TABLE_CORE (_bfd_nocore),
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
BFD_JUMP_TABLE_SYMBOLS (coff),
BFD_JUMP_TABLE_RELOCS (coff),
BFD_JUMP_TABLE_WRITE (coff),
BFD_JUMP_TABLE_LINK (coff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
& shlcoff_small_vec,
(PTR) &bfd_coff_small_swap_table
};
const bfd_target shlcoff_small_vec =
{
"coff-shl-small",
bfd_target_coff_flavour,
BFD_ENDIAN_LITTLE,
BFD_ENDIAN_LITTLE,
(HAS_RELOC | EXEC_P |
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC),
'_',
'/',
15,
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16,
{_bfd_dummy_target, coff_small_object_p,
bfd_generic_archive_p, _bfd_dummy_target},
{bfd_false, coff_mkobject, _bfd_generic_mkarchive,
bfd_false},
{bfd_false, coff_write_object_contents,
_bfd_write_archive_contents, bfd_false},
BFD_JUMP_TABLE_GENERIC (coff_small),
BFD_JUMP_TABLE_COPY (coff),
BFD_JUMP_TABLE_CORE (_bfd_nocore),
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
BFD_JUMP_TABLE_SYMBOLS (coff),
BFD_JUMP_TABLE_RELOCS (coff),
BFD_JUMP_TABLE_WRITE (coff),
BFD_JUMP_TABLE_LINK (coff),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
& shcoff_small_vec,
(PTR) &bfd_coff_small_swap_table
};
#endif