/* Renesas RL78 specific support for 32-bit ELF.
- Copyright (C) 2011-2015 Free Software Foundation, Inc.
+ Copyright (C) 2011-2016 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
RL78REL (RH_RELAX, 0, 0, 0, dont, FALSE),
EMPTY_HOWTO (0x2e),
- EMPTY_HOWTO (0x2f),
+ RL78REL (RH_SADDR, 0, 0, 0, dont, FALSE),
EMPTY_HOWTO (0x30),
EMPTY_HOWTO (0x31),
EMPTY_HOWTO (0x32),
{ BFD_RELOC_RL78_ABS16UL, R_RL78_ABS16UL },
{ BFD_RELOC_RL78_ABS16UW, R_RL78_ABS16UW },
{ BFD_RELOC_RL78_ABS16U, R_RL78_ABS16U },
+ { BFD_RELOC_RL78_SADDR, R_RL78_RH_SADDR },
{ BFD_RELOC_RL78_RELAX, R_RL78_RH_RELAX }
};
\f
static bfd_vma
get_symbol_value (const char * name,
- bfd_reloc_status_type * status,
struct bfd_link_info * info,
bfd * input_bfd,
asection * input_section,
|| (h->type != bfd_link_hash_defined
&& h->type != bfd_link_hash_defweak))
{
- bfd_reloc_status_type res;
-
- res = info->callbacks->undefined_symbol
+ (*info->callbacks->undefined_symbol)
(info, name, input_bfd, input_section, offset, TRUE);
- if (status)
- * status = res;
return 0;
}
}
static bfd_vma
-get_romstart (bfd_reloc_status_type * status,
- struct bfd_link_info * info,
+get_romstart (struct bfd_link_info * info,
bfd * abfd,
asection * sec,
int offset)
{
static bfd_boolean cached = FALSE;
static bfd_vma cached_value = 0;
- static bfd_reloc_status_type cached_status;
if (!cached)
{
- cached_value = get_symbol_value ("_start", & cached_status, info, abfd, sec, offset);
+ cached_value = get_symbol_value ("_start", info, abfd, sec, offset);
cached = TRUE;
}
- if (status)
- * status = cached_status;
return cached_value;
}
static bfd_vma
-get_ramstart (bfd_reloc_status_type * status,
- struct bfd_link_info * info,
+get_ramstart (struct bfd_link_info * info,
bfd * abfd,
asection * sec,
int offset)
{
static bfd_boolean cached = FALSE;
static bfd_vma cached_value = 0;
- static bfd_reloc_status_type cached_status;
if (!cached)
{
- cached_value = get_symbol_value ("__datastart", & cached_status, info, abfd, sec, offset);
+ cached_value = get_symbol_value ("__datastart", info, abfd, sec, offset);
cached = TRUE;
}
- if (status)
- * status = cached_status;
return cached_value;
}
case R_RL78_SYM:
RL78_STACK_PUSH (symval);
return 0;
-
+
case R_RL78_OPneg:
RL78_STACK_POP (tmp1);
tmp1 = - tmp1;
break;
case R_RL78_OPromtop:
- relocation = get_romstart (&r, NULL, input_bfd, input_section,
+ relocation = get_romstart (NULL, input_bfd, input_section,
reloc->address);
break;
case R_RL78_OPramtop:
- relocation = get_ramstart (&r, NULL, input_bfd, input_section,
+ relocation = get_ramstart (NULL, input_bfd, input_section,
reloc->address);
break;
}
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
/* This is a relocatable link. We don't have to change
anything, unless the reloc is against a section symbol,
break;
}
break;
-
+
case R_RL78_SYM:
if (r_symndx < symtab_hdr->sh_info)
relocation = sec->output_section->vma + sec->output_offset
break;
case R_RL78_OPromtop:
- relocation = get_romstart (&r, info, input_bfd, input_section, rel->r_offset);
+ relocation = get_romstart (info, input_bfd, input_section, rel->r_offset);
(void) rl78_compute_complex_reloc (r_type, relocation, input_section);
break;
case R_RL78_OPramtop:
- relocation = get_ramstart (&r, info, input_bfd, input_section, rel->r_offset);
+ relocation = get_ramstart (info, input_bfd, input_section, rel->r_offset);
(void) rl78_compute_complex_reloc (r_type, relocation, input_section);
break;
if (r_type == R_RL78_DIR24S_PCREL)
msg = _("%B(%A): error: call to undefined function '%s'");
else
- r = info->callbacks->reloc_overflow
+ (*info->callbacks->reloc_overflow)
(info, (h ? &h->root : NULL), name, howto->name, (bfd_vma) 0,
input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- r = info->callbacks->undefined_symbol
- (info, name, input_bfd, input_section, rel->r_offset,
- TRUE);
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_other:
if (msg)
_bfd_error_handler (msg, input_bfd, input_section, name);
-
- if (! r)
- return FALSE;
}
}
(*_bfd_error_handler) (_("- %s is 64-bit, %s is not"),
bfd_get_filename (ibfd), bfd_get_filename (obfd));
error = TRUE;
- }
+ }
}
return !error;
asection *splt;
bfd *dynobj;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
bfd *dynobj;
asection *splt;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
dynobj = elf_hash_table (info)->dynobj;
/* Assume nothing changes. */
*again = FALSE;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
/* We only relax the .plt section at the moment. */
break;
case R_RL78_OPromtop:
- symval = get_romstart (NULL, info, input_bfd, input_section, rel->r_offset);
+ symval = get_romstart (info, input_bfd, input_section, rel->r_offset);
(void) rl78_compute_complex_reloc (r_type, symval, input_section);
break;
case R_RL78_OPramtop:
- symval = get_ramstart (NULL, info, input_bfd, input_section, rel->r_offset);
+ symval = get_ramstart (info, input_bfd, input_section, rel->r_offset);
(void) rl78_compute_complex_reloc (r_type, symval, input_section);
break;
case R_RL78_ABS8UW:
*scale = 2;
goto reloc_computes_value;
-
+
default:
reloc_computes_value:
- symval = rl78_compute_complex_reloc (r_type, 0, input_section);
+ symval = rl78_compute_complex_reloc (r_type, symval, input_section);
+ case R_RL78_DIR32:
+ case R_RL78_DIR24S:
+ case R_RL78_DIR16:
+ case R_RL78_DIR16U:
+ case R_RL78_DIR16S:
+ case R_RL78_DIR24S_PCREL:
+ case R_RL78_DIR16S_PCREL:
+ case R_RL78_DIR8S_PCREL:
if (lrel)
*lrel = rel;
return symval;
/* We don't have to do anything for a relocatable link, if
this section does not have relocs, or if this is not a
code section. */
- if (link_info->relocatable
+ if (bfd_link_relocatable (link_info)
|| (sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
|| (sec->flags & SEC_CODE) == 0)
return TRUE;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
+ symtab_hdr = & elf_symtab_hdr (abfd);
+ if (elf_symtab_shndx_list (abfd))
+ shndx_hdr = & elf_symtab_shndx_list (abfd)->hdr;
+ else
+ shndx_hdr = NULL;
/* Get the section contents. */
if (elf_section_data (sec)->this_hdr.contents != NULL)
symtab_hdr->contents = (bfd_byte *) intsyms;
}
- if (shndx_hdr->sh_size != 0)
+ if (shndx_hdr && shndx_hdr->sh_size != 0)
{
bfd_size_type amt;
switch (insn[0])
{
+ case 0xdc: /* BC */
+ case 0xdd: /* BZ */
+ case 0xde: /* BNC */
+ case 0xdf: /* BNZ */
+ if (insn[1] == 0x03 && insn[2] == 0xee /* BR */
+ && (srel->r_offset - irel->r_offset) > 1) /* a B<c> without its own reloc */
+ {
+ /* This is a "long" conditional as generated by gas:
+ DC 03 EE ad.dr */
+ if (pcrel < 127
+ && pcrel > -127)
+ {
+ insn[0] ^= 0x02; /* invert conditional */
+ SNIPNR (4, 1);
+ SNIP (1, 2, R_RL78_DIR8S_PCREL);
+ insn[1] = pcrel;
+ *again = TRUE;
+ }
+ }
+ break;
+
case 0xec: /* BR !!abs20 */
if (pcrel < 127
insn[0] = 0xed;
insn[1] = symval & 0xff;
insn[2] = symval >> 8;
- SNIP (2, 1, R_RL78_DIR16S);
+ SNIP (2, 1, R_RL78_DIR16U);
*again = TRUE;
}
else if (pcrel < 32767
insn[0] = 0xfd;
insn[1] = symval & 0xff;
insn[2] = symval >> 8;
- SNIP (2, 1, R_RL78_DIR16S);
+ SNIP (2, 1, R_RL78_DIR16U);
*again = TRUE;
}
else if (pcrel < 32767
here anyway. */
switch (insn[1])
{
+ case 0xd3: /* BNH */
+ case 0xc3: /* BH */
+ if (insn[2] == 0x03 && insn[3] == 0xee
+ && (srel->r_offset - irel->r_offset) > 2) /* a B<c> without its own reloc */
+ {
+ /* Another long branch by gas:
+ 61 D3 03 EE ad.dr */
+ if (pcrel < 127
+ && pcrel > -127)
+ {
+ insn[1] ^= 0x10; /* invert conditional */
+ SNIPNR (5, 1);
+ SNIP (2, 2, R_RL78_DIR8S_PCREL);
+ insn[2] = pcrel;
+ *again = TRUE;
+ }
+ }
+ break;
+
case 0xc8: /* SKC */
if (insn[2] == 0xef)
{
projects / deliverable / binutils-gdb.git / blobdiff