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* reloc.c (BFD_RELOC_RX_ABS16_REV): Add. 

(BFD_RELOC_RX_ABS32_REV): Add.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* elf32-rx.c (rx_reloc_map): Add them.

* config/tc-rx.c (rx_validate_fix_sub): Permit subtraction in more
cases.
(tc_gen_reloc): Fix handling of subtraction (esp wrt endianness).
This commit is contained in:
DJ Delorie 2010-12-17 04:17:00 +00:00
parent aeacb1880c
commit e8ef21bff5
7 changed files with 46 additions and 4 deletions
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8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2010-12-16 DJ Delorie <dj@redhat.com>
* reloc.c (BFD_RELOC_RX_ABS16_REV): Add.
(BFD_RELOC_RX_ABS32_REV): Add.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* elf32-rx.c (rx_reloc_map): Add them.
2010-12-15 H.J. Lu <hongjiu.lu@intel.com>
* elf.c (_bfd_elf_new_section_hook): Special handling for

2
bfd/bfd-in2.h
View File

@ -3991,7 +3991,9 @@ instructions */
BFD_RELOC_RX_OP_SUBTRACT,
BFD_RELOC_RX_ABS8,
BFD_RELOC_RX_ABS16,
BFD_RELOC_RX_ABS16_REV,
BFD_RELOC_RX_ABS32,
BFD_RELOC_RX_ABS32_REV,
BFD_RELOC_RX_ABS16U,
BFD_RELOC_RX_ABS16UW,
BFD_RELOC_RX_ABS16UL,

2
bfd/elf32-rx.c
View File

@ -250,7 +250,9 @@ static const struct rx_reloc_map rx_reloc_map [] =
{ BFD_RELOC_RX_OP_SUBTRACT, R_RX_OPsub },
{ BFD_RELOC_RX_ABS8, R_RX_ABS8 },
{ BFD_RELOC_RX_ABS16, R_RX_ABS16 },
{ BFD_RELOC_RX_ABS16_REV, R_RX_ABS16_REV },
{ BFD_RELOC_RX_ABS32, R_RX_ABS32 },
{ BFD_RELOC_RX_ABS32_REV, R_RX_ABS32_REV },
{ BFD_RELOC_RX_ABS16UL, R_RX_ABS16UL },
{ BFD_RELOC_RX_ABS16UW, R_RX_ABS16UW },
{ BFD_RELOC_RX_ABS16U, R_RX_ABS16U }

2
bfd/libbfd.h
View File

@ -1802,7 +1802,9 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_RX_OP_SUBTRACT",
"BFD_RELOC_RX_ABS8",
"BFD_RELOC_RX_ABS16",
"BFD_RELOC_RX_ABS16_REV",
"BFD_RELOC_RX_ABS32",
"BFD_RELOC_RX_ABS32_REV",
"BFD_RELOC_RX_ABS16U",
"BFD_RELOC_RX_ABS16UW",
"BFD_RELOC_RX_ABS16UL",

4
bfd/reloc.c
View File

@ -4261,8 +4261,12 @@ ENUMX
BFD_RELOC_RX_ABS8
ENUMX
BFD_RELOC_RX_ABS16
ENUMX
BFD_RELOC_RX_ABS16_REV
ENUMX
BFD_RELOC_RX_ABS32
ENUMX
BFD_RELOC_RX_ABS32_REV
ENUMX
BFD_RELOC_RX_ABS16U
ENUMX

6
gas/ChangeLog
View File

@ -1,3 +1,9 @@
2010-12-16 DJ Delorie <dj@redhat.com>
* config/tc-rx.c (rx_validate_fix_sub): Permit subtraction in more
cases.
(tc_gen_reloc): Fix handling of subtraction (esp wrt endianness).
2010-12-16 Maciej W. Rozycki <macro@codesourcery.com>
* symbols.c (symbol_clone_if_forward_ref): Call tc_new_dot_label

26
gas/config/tc-rx.c
View File

@ -1943,10 +1943,14 @@ md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED,
int
rx_validate_fix_sub (struct fix * f)
{
/* We permit the subtraction of two symbols as a 32-bit relocation. */
/* We permit the subtraction of two symbols in a few cases. */
/* mov #sym1-sym2, R3 */
if (f->fx_r_type == BFD_RELOC_RX_32_OP)
return 1;
/* .long sym1-sym2 */
if (f->fx_r_type == BFD_RELOC_RX_DIFF
&& ! f->fx_pcrel
&& f->fx_size == 4)
&& (f->fx_size == 4 || f->fx_size == 2 || f->fx_size == 1))
return 1;
return 0;
}
@ -2206,6 +2210,7 @@ arelent **
tc_gen_reloc (asection * seg ATTRIBUTE_UNUSED, fixS * fixp)
{
static arelent * reloc[5];
int is_opcode = 0;
if (fixp->fx_r_type == BFD_RELOC_NONE)
{
@ -2226,6 +2231,13 @@ tc_gen_reloc (asection * seg ATTRIBUTE_UNUSED, fixS * fixp)
reloc[0]->address = fixp->fx_frag->fr_address + fixp->fx_where;
reloc[0]->addend = fixp->fx_offset;
if (fixp->fx_r_type == BFD_RELOC_RX_32_OP
&& fixp->fx_subsy)
{
fixp->fx_r_type = BFD_RELOC_RX_DIFF;
is_opcode = 1;
}
/* Certain BFD relocations cannot be translated directly into
a single (non-Red Hat) RX relocation, but instead need
multiple RX relocations - handle them here. */
@ -2254,10 +2266,16 @@ tc_gen_reloc (asection * seg ATTRIBUTE_UNUSED, fixS * fixp)
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS8);
break;
case 2:
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS16);
if (!is_opcode && target_big_endian)
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS16_REV);
else
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS16);
break;
case 4:
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS32);
if (!is_opcode && target_big_endian)
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS32_REV);
else
reloc[3]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_RX_ABS32);
break;
}
reloc[3]->addend = 0;