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Add support for BFD_RELOC_{ARM|THUMB}_PCREL_BLX relocs.

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Nick Clifton 2000-04-08 00:11:46 +00:00
parent dfc5f959f3
commit d92b1a8a2a
2 changed files with 34 additions and 1 deletions
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9
gas/ChangeLog
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@ -1,3 +1,12 @@
2000-04-07 Nick Clifton <nickc@cygnus.com>
* config/tc-arm.c (md_apply_fix3): Treat BFD_RELOC_ARM_PCREL_BLX
in the same way as BFD_RELOC_ARM_PCREL_BRANCH, and
BFD_RELOC_THUMB_PCREL_BLX lie BFD_RELOC_THUMB_PCREL_BRANCH.
(tc_gen_reloc): Accept BFD_RELOC_{ARM|THUMB}_PCREL_BLX.
(arm_force_relocation): Force relocations for
BFD_RELOC_{ARM|THUMB}_PCREL_BLX as well.
Wed Apr 5 22:26:32 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
* config/tc-sh.c (get_operands): There's no third operand if the

26
gas/config/tc-arm.c
View file

@ -2661,8 +2661,8 @@ do_adr (str, flags)
inst.reloc.exp.X_add_number -= 8; /* PC relative adjust. */
inst.reloc.pc_rel = 1;
inst.instruction |= flags;
end_of_line (str);
return;
}
static void
@ -5370,6 +5370,7 @@ md_apply_fix3 (fixP, val, seg)
{
if (target_oabi
&& (fixP->fx_r_type == BFD_RELOC_ARM_PCREL_BRANCH
|| fixP->fx_r_type == BFD_RELOC_ARM_PCREL_BLX
))
value = 0;
else
@ -5617,6 +5618,22 @@ md_apply_fix3 (fixP, val, seg)
md_number_to_chars (buf, newval, INSN_SIZE);
break;
case BFD_RELOC_ARM_PCREL_BLX:
{
offsetT hbit;
newval = md_chars_to_number (buf, INSN_SIZE);
#ifdef OBJ_ELF
if (! target_oabi)
value = fixP->fx_offset;
#endif
hbit = (value >> 1) & 1;
value = (value >> 2) & 0x00ffffff;
value = (value + (newval & 0x00ffffff)) & 0x00ffffff;
newval = value | (newval & 0xfe000000) | (hbit << 24);
md_number_to_chars (buf, newval, INSN_SIZE);
}
break;
case BFD_RELOC_THUMB_PCREL_BRANCH9: /* conditional branch */
newval = md_chars_to_number (buf, THUMB_SIZE);
@ -5650,6 +5667,7 @@ md_apply_fix3 (fixP, val, seg)
md_number_to_chars (buf, newval, THUMB_SIZE);
break;
case BFD_RELOC_THUMB_PCREL_BLX:
case BFD_RELOC_THUMB_PCREL_BRANCH23:
{
offsetT newval2;
@ -5956,10 +5974,12 @@ tc_gen_reloc (section, fixp)
}
case BFD_RELOC_ARM_PCREL_BRANCH:
case BFD_RELOC_ARM_PCREL_BLX:
case BFD_RELOC_RVA:
case BFD_RELOC_THUMB_PCREL_BRANCH9:
case BFD_RELOC_THUMB_PCREL_BRANCH12:
case BFD_RELOC_THUMB_PCREL_BRANCH23:
case BFD_RELOC_THUMB_PCREL_BLX:
case BFD_RELOC_VTABLE_ENTRY:
case BFD_RELOC_VTABLE_INHERIT:
code = fixp->fx_r_type;
@ -6172,10 +6192,12 @@ md_assemble (str)
keep trying with progressively smaller basic instructions until one
matches, or we run out of opcode. */
q = (p - str > LONGEST_INST) ? str + LONGEST_INST : p;
for (; q != str; q--)
{
c = *q;
*q = '\0';
opcode = (CONST struct asm_opcode *) hash_find (arm_ops_hsh, str);
*q = c;
@ -7102,6 +7124,8 @@ arm_force_relocation (fixp)
if ( fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
|| fixp->fx_r_type == BFD_RELOC_ARM_PCREL_BRANCH
|| fixp->fx_r_type == BFD_RELOC_ARM_PCREL_BLX
|| fixp->fx_r_type == BFD_RELOC_THUMB_PCREL_BLX
|| fixp->fx_r_type == BFD_RELOC_THUMB_PCREL_BRANCH23)
return 1;