false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- sh_elf_reloc, /* special_function */
+ sh_elf_ignore_reloc, /* special_function */
"R_SH_NONE", /* name */
false, /* partial_inplace */
0, /* src_mask */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- sh_elf_reloc, /* special_function */
+ sh_elf_ignore_reloc, /* special_function */
"R_SH_REL32", /* name */
false, /* partial_inplace */
0, /* src_mask */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- sh_elf_reloc, /* special_function */
+ sh_elf_ignore_reloc, /* special_function */
"R_SH_DIR8WPN", /* name */
true, /* partial_inplace */
0xff, /* src_mask */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
- sh_elf_reloc, /* special_function */
+ sh_elf_ignore_reloc, /* special_function */
"R_SH_DIR8WPL", /* name */
true, /* partial_inplace */
0xff, /* src_mask */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
- sh_elf_reloc, /* special_function */
+ sh_elf_ignore_reloc, /* special_function */
"R_SH_DIR8WPZ", /* name */
true, /* partial_inplace */
0xff, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
- sh_elf_reloc, /* special_function */
+ sh_elf_ignore_reloc, /* special_function */
"R_SH_DIR8BP", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
- sh_elf_reloc, /* special_function */
+ sh_elf_ignore_reloc, /* special_function */
"R_SH_DIR8W", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
- sh_elf_reloc, /* special_function */
+ sh_elf_ignore_reloc, /* special_function */
"R_SH_DIR8L", /* name */
false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
false), /* pcrel_offset */
+ /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
+ HOWTO (R_SH_LOOP_START, /* type */
+ 1, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 8, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ sh_elf_ignore_reloc, /* special_function */
+ "R_SH_LOOP_START", /* name */
+ true, /* partial_inplace */
+ 0xff, /* src_mask */
+ 0xff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ /* 8 bit PC relative divided by 2 - but specified in a very odd way. */
+ HOWTO (R_SH_LOOP_END, /* type */
+ 1, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 8, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ sh_elf_ignore_reloc, /* special_function */
+ "R_SH_LOOP_END", /* name */
+ true, /* partial_inplace */
+ 0xff, /* src_mask */
+ 0xff, /* dst_mask */
+ true), /* pcrel_offset */
+
};
-/* This function is used for normal relocs. This is like the COFF
+static bfd_reloc_status_type
+sh_elf_reloc_loop (r_type, input_bfd, input_section, contents, addr,
+ symbol_section, start, end)
+ int r_type;
+ bfd *input_bfd;
+ asection *input_section;
+ bfd_byte *contents;
+ bfd_vma addr;
+ asection *symbol_section;
+ bfd_vma start, end;
+{
+ static bfd_vma last_addr;
+ asection *last_symbol_section;
+ bfd_byte *free_contents = NULL;
+ bfd_byte *start_ptr, *ptr, *last_ptr;
+ int diff, cum_diff;
+ bfd_signed_vma x;
+ int insn;
+
+ /* Sanity check the address. */
+ if (addr > input_section->_raw_size)
+ return bfd_reloc_outofrange;
+
+ /* We require the start and end relocations to be processed consecutively -
+ although we allow then to be processed forwards or backwards. */
+ if (! last_addr)
+ {
+ last_addr = addr;
+ last_symbol_section = symbol_section;
+ return bfd_reloc_ok;
+ }
+ if (last_addr != addr)
+ abort ();
+ last_addr = 0;
+
+ if (! symbol_section || last_symbol_section != symbol_section || end < start)
+ return bfd_reloc_outofrange;
+
+ /* Get the symbol_section contents. */
+ if (symbol_section != input_section)
+ {
+ if (elf_section_data (symbol_section)->this_hdr.contents != NULL)
+ contents = elf_section_data (symbol_section)->this_hdr.contents;
+ else
+ {
+ free_contents = contents
+ = (bfd_byte *) bfd_malloc (symbol_section->_raw_size);
+ if (contents == NULL)
+ return bfd_reloc_outofrange;
+ if (! bfd_get_section_contents (input_bfd, symbol_section, contents,
+ (file_ptr) 0,
+ symbol_section->_raw_size))
+ {
+ free (contents);
+ return bfd_reloc_outofrange;
+ }
+ }
+ }
+#define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800)
+ start_ptr = contents + start;
+ for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;)
+ {
+ for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);)
+ ptr -= 2;
+ ptr += 2;
+ diff = last_ptr - ptr >> 1;
+ cum_diff += diff & 1;
+ cum_diff += diff;
+ }
+ /* Calculate the start / end values to load into rs / re minus four -
+ so that will cancel out the four we would otherwise have to add to
+ addr to get the value to subtract in order to get relative addressing. */
+ if (cum_diff >= 0)
+ {
+ start -= 4;
+ end = (ptr + cum_diff * 2) - contents;
+ }
+ else
+ {
+ bfd_vma start0 = start - 4;
+
+ while (start0 >= 0 && IS_PPI (contents + start0))
+ start0 -= 2;
+ start0 = start - 2 - ((start - start0) & 2);
+ start = start0 - cum_diff - 2;
+ end = start0;
+ }
+
+ if (free_contents)
+ free (free_contents);
+
+ insn = bfd_get_16 (input_bfd, contents + addr);
+
+ x = (insn & 0x200 ? end : start) - addr;
+ if (input_section != symbol_section)
+ x += ((symbol_section->output_section->vma + symbol_section->output_offset)
+ - (input_section->output_section->vma
+ + input_section->output_offset));
+ x >>= 1;
+ if (x < -128 || x > 127)
+ return bfd_reloc_overflow;
+
+ x = insn & ~0xff | x & 0xff;
+ bfd_put_16 (input_bfd, x, contents + addr);
+
+ return bfd_reloc_ok;
+}
+
+/* This function is used for normal relocs. This used to be like the COFF
function, and is almost certainly incorrect for other ELF targets. */
static bfd_reloc_status_type
/* Almost all relocs have to do with relaxing. If any work must be
done for them, it has been done in sh_relax_section. */
- if (r_type != R_SH_DIR32
- && (r_type != R_SH_IND12W
- || (symbol_in->flags & BSF_LOCAL) != 0))
+ if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0)
return bfd_reloc_ok;
if (symbol_in != NULL
{ BFD_RELOC_SH_LABEL, R_SH_LABEL },
{ BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
+ { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START },
+ { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END },
};
/* Given a BFD reloc code, return the howto structure for the
/* Many of the relocs are only used for relaxing, and are
handled entirely by the relaxation code. */
- if (r_type > (int) R_SH_LAST_INVALID_RELOC)
+ if (r_type > (int) R_SH_LAST_INVALID_RELOC
+ && r_type < (int) R_SH_LOOP_START)
continue;
if (r_type < 0
- || r_type >= (int) R_SH_FIRST_INVALID_RELOC)
+ || (r_type >= (int) R_SH_FIRST_INVALID_RELOC
+ && r_type <= (int) R_SH_LAST_INVALID_RELOC))
{
bfd_set_error (bfd_error_bad_value);
return false;
/* FIXME: This is certainly incorrect. However, it is how the
COFF linker works. */
if (r_type != (int) R_SH_DIR32
- && r_type != (int) R_SH_IND12W)
+ && r_type != (int) R_SH_IND12W
+ && r_type != (int) R_SH_LOOP_START
+ && r_type != (int) R_SH_LOOP_END)
continue;
howto = sh_elf_howto_table + r_type;
{
case (int)R_SH_DIR32:
addend = rel->r_addend;
+ /* Fall through. */
+ default:
+ /* COFF relocs don't use the addend. The addend is used for
+ R_SH_DIR32 to be compatible with other compilers. */
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, addend);
break;
+ case R_SH_LOOP_START:
+ {
+ static bfd_vma start, end;
+
+ start = (relocation + rel->r_addend
+ - (sec->output_section->vma + sec->output_offset));
+ r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
+ rel->r_offset, sec, start, end);
+ break;
+ case R_SH_LOOP_END:
+ end = (relocation + rel->r_addend
+ - (sec->output_section->vma + sec->output_offset));
+ r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents,
+ rel->r_offset, sec, start, end);
+ break;
+ }
}
- /* COFF relocs don't use the addend. The addend is used for R_SH_DIR32
- to be compatible with other compilers. */
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, addend);
-
if (r != bfd_reloc_ok)
{
switch (r)
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