};
const size_t md_longopts_size = sizeof (md_longopts);
-/* Convert the target integer stored in N bytes in BUF to a host
- integer, returning that value. */
-
-static valueT
-md_chars_to_number (char *buf, int n)
-{
- valueT result = 0;
- unsigned char *p = (unsigned char *) buf;
-
- if (target_big_endian)
- {
- while (n--)
- {
- result <<= 8;
- result |= (*p++ & 0xff);
- }
- }
- else
- {
- while (n--)
- {
- result <<= 8;
- result |= (p[n] & 0xff);
- }
- }
-
- return result;
-}
-
int
md_parse_option (int c, char *arg)
{
{
unsigned int i;
+ /* An index into powerpc_operands is stored in struct fix
+ fx_pcrel_adjust which is 8 bits wide. */
+ gas_assert (num_powerpc_operands < 256);
+
/* Check operand masks. Code here and in the disassembler assumes
all the 1's in the mask are contiguous. */
for (i = 0; i < num_powerpc_operands; ++i)
return 1;
}
#endif
+
+#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
+/* See whether a symbol is in the TOC section. */
+
+static int
+ppc_is_toc_sym (symbolS *sym)
+{
+#ifdef OBJ_XCOFF
+ return symbol_get_tc (sym)->symbol_class == XMC_TC;
+#endif
+#ifdef OBJ_ELF
+ const char *sname = segment_name (S_GET_SEGMENT (sym));
+ if (ppc_obj64)
+ return strcmp (sname, ".toc") == 0;
+ else
+ return strcmp (sname, ".got") == 0;
+#endif
+}
+#endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
\f
#ifdef OBJ_ELF
int addr_mod;
int i;
unsigned int insn_length;
-#ifdef OBJ_ELF
- bfd_reloc_code_real_type reloc;
-#endif
/* Get the opcode. */
for (s = str; *s != '\0' && ! ISSPACE (*s); s++)
{
#ifdef OBJ_ELF
/* Allow @HA, @L, @H on constants. */
+ bfd_reloc_code_real_type reloc;
char *orig_str = str;
if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
insn = ppc_insert_operand (insn, operand, ex.X_add_number,
ppc_cpu, (char *) NULL, 0);
}
-#ifdef OBJ_ELF
else
{
+ bfd_reloc_code_real_type reloc = BFD_RELOC_UNUSED;
+#ifdef OBJ_ELF
if (ex.X_op == O_symbol && str[0] == '(')
{
const char *sym_name = S_GET_NAME (ex.X_add_symbol);
}
}
}
+#endif /* OBJ_ELF */
+
+ if (reloc != BFD_RELOC_UNUSED)
+ ;
+ /* Determine a BFD reloc value based on the operand information.
+ We are only prepared to turn a few of the operands into
+ relocs. */
+ else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
+ && operand->bitm == 0x3fffffc
+ && operand->shift == 0)
+ reloc = BFD_RELOC_PPC_B26;
+ else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
+ && operand->bitm == 0xfffc
+ && operand->shift == 0)
+ reloc = BFD_RELOC_PPC_B16;
+ else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
+ && operand->bitm == 0x1fe
+ && operand->shift == -1)
+ reloc = BFD_RELOC_PPC_VLE_REL8;
+ else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
+ && operand->bitm == 0xfffe
+ && operand->shift == 0)
+ reloc = BFD_RELOC_PPC_VLE_REL15;
+ else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
+ && operand->bitm == 0x1fffffe
+ && operand->shift == 0)
+ reloc = BFD_RELOC_PPC_VLE_REL24;
+ else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
+ && operand->bitm == 0x3fffffc
+ && operand->shift == 0)
+ reloc = BFD_RELOC_PPC_BA26;
+ else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
+ && operand->bitm == 0xfffc
+ && operand->shift == 0)
+ reloc = BFD_RELOC_PPC_BA16;
+#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
+ else if ((operand->flags & PPC_OPERAND_PARENS) != 0
+ && (operand->bitm & 0xfff0) == 0xfff0
+ && operand->shift == 0)
+ {
+ if (ppc_is_toc_sym (ex.X_add_symbol))
+ {
+ reloc = BFD_RELOC_PPC_TOC16;
+#ifdef OBJ_ELF
+ if (ppc_obj64
+ && (operand->flags & PPC_OPERAND_DS) != 0)
+ reloc = BFD_RELOC_PPC64_TOC16_DS;
+#endif
+ }
+ else
+ {
+ reloc = BFD_RELOC_16;
+#ifdef OBJ_ELF
+ if (ppc_obj64
+ && (operand->flags & PPC_OPERAND_DS) != 0)
+ reloc = BFD_RELOC_PPC64_ADDR16_DS;
+#endif
+ }
+ }
+#endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
/* We need to generate a fixup for this expression. */
if (fc >= MAX_INSN_FIXUPS)
fixups[fc].reloc = reloc;
++fc;
}
-#else /* OBJ_ELF */
- else
- {
- /* We need to generate a fixup for this expression. */
- if (fc >= MAX_INSN_FIXUPS)
- as_fatal (_("too many fixups"));
- fixups[fc].exp = ex;
- fixups[fc].opindex = *opindex_ptr;
- fixups[fc].reloc = BFD_RELOC_UNUSED;
- ++fc;
- }
-#endif /* OBJ_ELF */
if (need_paren)
{
dwarf2_emit_insn (insn_length);
#endif
- /* Create any fixups. At this point we do not use a
- bfd_reloc_code_real_type, but instead just use the
- BFD_RELOC_UNUSED plus the operand index. This lets us easily
- handle fixups for any operand type, although that is admittedly
- not a very exciting feature. We pick a BFD reloc type in
- md_apply_fix. */
+ /* Create any fixups. */
for (i = 0; i < fc; i++)
{
+ fixS *fixP;
if (fixups[i].reloc != BFD_RELOC_UNUSED)
{
reloc_howto_type *reloc_howto;
int size;
int offset;
- fixS *fixP;
reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
if (!reloc_howto)
abort ();
size = bfd_get_reloc_size (reloc_howto);
- offset = target_big_endian ? (4 - size) : 0;
+ offset = target_big_endian ? (insn_length - size) : 0;
if (size < 1 || size > 4)
abort ();
&fixups[i].exp,
reloc_howto->pc_relative,
fixups[i].reloc);
-
- /* Turn off complaints that the addend is too large for things like
- foo+100000@ha. */
- switch (fixups[i].reloc)
- {
- case BFD_RELOC_16_GOTOFF:
- case BFD_RELOC_PPC_TOC16:
- case BFD_RELOC_LO16:
- case BFD_RELOC_HI16:
- case BFD_RELOC_HI16_S:
- case BFD_RELOC_PPC_VLE_LO16A:
- case BFD_RELOC_PPC_VLE_LO16D:
- case BFD_RELOC_PPC_VLE_HI16A:
- case BFD_RELOC_PPC_VLE_HI16D:
- case BFD_RELOC_PPC_VLE_HA16A:
- case BFD_RELOC_PPC_VLE_HA16D:
-#ifdef OBJ_ELF
- case BFD_RELOC_PPC64_HIGHER:
- case BFD_RELOC_PPC64_HIGHER_S:
- case BFD_RELOC_PPC64_HIGHEST:
- case BFD_RELOC_PPC64_HIGHEST_S:
-#endif
- fixP->fx_no_overflow = 1;
- break;
- default:
- break;
- }
}
else
{
const struct powerpc_operand *operand;
operand = &powerpc_operands[fixups[i].opindex];
- fix_new_exp (frag_now,
- f - frag_now->fr_literal,
- insn_length,
- &fixups[i].exp,
- (operand->flags & PPC_OPERAND_RELATIVE) != 0,
- ((bfd_reloc_code_real_type)
- (fixups[i].opindex + (int) BFD_RELOC_UNUSED)));
+ fixP = fix_new_exp (frag_now,
+ f - frag_now->fr_literal,
+ insn_length,
+ &fixups[i].exp,
+ (operand->flags & PPC_OPERAND_RELATIVE) != 0,
+ BFD_RELOC_UNUSED);
}
+ fixP->fx_pcrel_adjust = fixups[i].opindex;
}
}
demand_empty_rest_of_line ();
}
-
-/* See whether a symbol is in the TOC section. */
-
-static int
-ppc_is_toc_sym (symbolS *sym)
-{
-#ifdef OBJ_XCOFF
- return symbol_get_tc (sym)->symbol_class == XMC_TC;
-#endif
-#ifdef OBJ_ELF
- const char *sname = segment_name (S_GET_SEGMENT (sym));
- if (ppc_obj64)
- return strcmp (sname, ".toc") == 0;
- else
- return strcmp (sname, ".got") == 0;
-#endif
-}
#endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
\f
#ifdef TE_PE
}
/* Apply a fixup to the object code. This is called for all the
- fixups we generated by the call to fix_new_exp, above. In the call
- above we used a reloc code which was the largest legal reloc code
- plus the operand index. Here we undo that to recover the operand
- index. At this point all symbol values should be fully resolved,
- and we attempt to completely resolve the reloc. If we can not do
- that, we determine the correct reloc code and put it back in the
- fixup. */
+ fixups we generated by the calls to fix_new_exp, above. */
void
md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex"));
}
- if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
+ if (fixP->fx_pcrel_adjust != 0)
{
- int opindex;
- const struct powerpc_operand *operand;
+ /* Handle relocs in an insn. */
+
+ int opindex = fixP->fx_pcrel_adjust & 0xff;
+ const struct powerpc_operand *operand = &powerpc_operands[opindex];
char *where;
unsigned long insn;
-
- opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED;
-
- operand = &powerpc_operands[opindex];
+ offsetT fieldval;
#ifdef OBJ_XCOFF
/* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol
fixP->fx_done = 1;
}
#endif
-
- /* Fetch the instruction, insert the fully resolved operand
- value, and stuff the instruction back again. */
- where = fixP->fx_frag->fr_literal + fixP->fx_where;
- if (target_big_endian)
- {
- if (fixP->fx_size == 4)
- insn = bfd_getb32 ((unsigned char *) where);
- else
- insn = bfd_getb16 ((unsigned char *) where);
- }
- else
- {
- if (fixP->fx_size == 4)
- insn = bfd_getl32 ((unsigned char *) where);
- else
- insn = bfd_getl16 ((unsigned char *) where);
- }
- insn = ppc_insert_operand (insn, operand, (offsetT) value,
- fixP->tc_fix_data.ppc_cpu,
- fixP->fx_file, fixP->fx_line);
- if (target_big_endian)
- {
- if (fixP->fx_size == 4)
- bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
- else
- bfd_putb16 ((bfd_vma) insn, (unsigned char *) where);
- }
- else
- {
- if (fixP->fx_size == 4)
- bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
- else
- bfd_putl16 ((bfd_vma) insn, (unsigned char *) where);
- }
-
- if (fixP->fx_done)
- /* Nothing else to do here. */
- return;
-
- gas_assert (fixP->fx_addsy != NULL);
-
- /* Determine a BFD reloc value based on the operand information.
- We are only prepared to turn a few of the operands into
- relocs. */
- if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
- && operand->bitm == 0x3fffffc
- && operand->shift == 0)
- fixP->fx_r_type = BFD_RELOC_PPC_B26;
- else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
- && operand->bitm == 0xfffc
- && operand->shift == 0)
- {
- fixP->fx_r_type = BFD_RELOC_PPC_B16;
-#ifdef OBJ_XCOFF
- fixP->fx_size = 2;
- if (target_big_endian)
- fixP->fx_where += 2;
-#endif
- }
- else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
- && operand->bitm == 0x1fe
- && operand->shift == -1)
- fixP->fx_r_type = BFD_RELOC_PPC_VLE_REL8;
- else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
- && operand->bitm == 0xfffe
- && operand->shift == 0)
- fixP->fx_r_type = BFD_RELOC_PPC_VLE_REL15;
- else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
- && operand->bitm == 0x1fffffe
- && operand->shift == 0)
- fixP->fx_r_type = BFD_RELOC_PPC_VLE_REL24;
- else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
- && operand->bitm == 0x3fffffc
- && operand->shift == 0)
- fixP->fx_r_type = BFD_RELOC_PPC_BA26;
- else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
- && operand->bitm == 0xfffc
- && operand->shift == 0)
- {
- fixP->fx_r_type = BFD_RELOC_PPC_BA16;
-#ifdef OBJ_XCOFF
- fixP->fx_size = 2;
- if (target_big_endian)
- fixP->fx_where += 2;
-#endif
- }
-#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
- else if ((operand->flags & PPC_OPERAND_PARENS) != 0
- && (operand->bitm & 0xfff0) == 0xfff0
- && operand->shift == 0)
- {
- if (ppc_is_toc_sym (fixP->fx_addsy))
- {
- fixP->fx_r_type = BFD_RELOC_PPC_TOC16;
-#ifdef OBJ_ELF
- if (ppc_obj64
- && (operand->flags & PPC_OPERAND_DS) != 0)
- fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS;
-#endif
- }
- else
- {
- fixP->fx_r_type = BFD_RELOC_16;
-#ifdef OBJ_ELF
- if (ppc_obj64
- && (operand->flags & PPC_OPERAND_DS) != 0)
- fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS;
-#endif
- }
- fixP->fx_size = 2;
- if (target_big_endian)
- fixP->fx_where += 2;
- }
-#endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
- else
- {
- char *sfile;
- unsigned int sline;
-
- /* Use expr_symbol_where to see if this is an expression
- symbol. */
- if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline))
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("unresolved expression that must be resolved"));
- else
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("unsupported relocation against %s"),
- S_GET_NAME (fixP->fx_addsy));
- fixP->fx_done = 1;
- return;
- }
- }
- else
- {
-#ifdef OBJ_ELF
- ppc_elf_validate_fix (fixP, seg);
-#endif
+ fieldval = value;
switch (fixP->fx_r_type)
{
- case BFD_RELOC_CTOR:
- if (ppc_obj64)
- goto ctor64;
- /* fall through */
-
- case BFD_RELOC_32:
- if (fixP->fx_pcrel)
- fixP->fx_r_type = BFD_RELOC_32_PCREL;
- /* fall through */
-
- case BFD_RELOC_RVA:
- case BFD_RELOC_32_PCREL:
- case BFD_RELOC_PPC_EMB_NADDR32:
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- value, 4);
- break;
-
- case BFD_RELOC_64:
- ctor64:
- if (fixP->fx_pcrel)
- fixP->fx_r_type = BFD_RELOC_64_PCREL;
- /* fall through */
-
- case BFD_RELOC_64_PCREL:
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- value, 8);
- break;
-
- case BFD_RELOC_GPREL16:
- case BFD_RELOC_16_GOT_PCREL:
- case BFD_RELOC_16_GOTOFF:
- case BFD_RELOC_LO16_GOTOFF:
- case BFD_RELOC_HI16_GOTOFF:
- case BFD_RELOC_HI16_S_GOTOFF:
- case BFD_RELOC_16_BASEREL:
- case BFD_RELOC_LO16_BASEREL:
- case BFD_RELOC_HI16_BASEREL:
- case BFD_RELOC_HI16_S_BASEREL:
- case BFD_RELOC_PPC_EMB_NADDR16:
- case BFD_RELOC_PPC_EMB_NADDR16_LO:
- case BFD_RELOC_PPC_EMB_NADDR16_HI:
- case BFD_RELOC_PPC_EMB_NADDR16_HA:
- case BFD_RELOC_PPC_EMB_SDAI16:
- case BFD_RELOC_PPC_EMB_SDA2REL:
- case BFD_RELOC_PPC_EMB_SDA2I16:
- case BFD_RELOC_PPC_EMB_RELSEC16:
- case BFD_RELOC_PPC_EMB_RELST_LO:
- case BFD_RELOC_PPC_EMB_RELST_HI:
- case BFD_RELOC_PPC_EMB_RELST_HA:
- case BFD_RELOC_PPC_EMB_RELSDA:
- case BFD_RELOC_PPC_TOC16:
-#ifdef OBJ_ELF
- case BFD_RELOC_PPC64_TOC16_LO:
- case BFD_RELOC_PPC64_TOC16_HI:
- case BFD_RELOC_PPC64_TOC16_HA:
-#endif
- if (fixP->fx_pcrel)
- {
- if (fixP->fx_addsy != NULL)
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("cannot emit PC relative %s relocation against %s"),
- bfd_get_reloc_code_name (fixP->fx_r_type),
- S_GET_NAME (fixP->fx_addsy));
- else
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("cannot emit PC relative %s relocation"),
- bfd_get_reloc_code_name (fixP->fx_r_type));
- }
-
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- value, 2);
- break;
-
- case BFD_RELOC_16:
+ case BFD_RELOC_PPC64_ADDR16_LO_DS:
if (fixP->fx_pcrel)
- fixP->fx_r_type = BFD_RELOC_16_PCREL;
+ goto bad_pcrel;
/* fall through */
-
- case BFD_RELOC_16_PCREL:
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- value, 2);
- break;
-
case BFD_RELOC_LO16:
if (fixP->fx_pcrel)
fixP->fx_r_type = BFD_RELOC_LO16_PCREL;
/* fall through */
-
case BFD_RELOC_LO16_PCREL:
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- value, 2);
+ fieldval = SEX16 (value);
break;
- /* This case happens when you write, for example,
- lis %r3,(L1-L2)@ha
- where L1 and L2 are defined later. */
case BFD_RELOC_HI16:
if (fixP->fx_pcrel)
fixP->fx_r_type = BFD_RELOC_HI16_PCREL;
/* fall through */
-
case BFD_RELOC_HI16_PCREL:
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- PPC_HI (value), 2);
+ fieldval = SEX16 (PPC_HI (value));
break;
case BFD_RELOC_HI16_S:
if (fixP->fx_pcrel)
fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL;
/* fall through */
-
case BFD_RELOC_HI16_S_PCREL:
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- PPC_HA (value), 2);
+ fieldval = SEX16 (PPC_HA (value));
break;
- case BFD_RELOC_PPC_VLE_SDAREL_LO16A:
- case BFD_RELOC_PPC_VLE_LO16A:
- {
- int tval = PPC_VLE_LO16A (value);
- valueT oldval = md_chars_to_number (
- fixP->fx_frag->fr_literal + fixP->fx_where, 4);
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- (oldval | tval), 4);
- }
- break;
-
- case BFD_RELOC_PPC_VLE_SDAREL_LO16D:
- case BFD_RELOC_PPC_VLE_LO16D:
- {
- int tval = PPC_VLE_LO16D (value);
- valueT oldval = md_chars_to_number (
- fixP->fx_frag->fr_literal + fixP->fx_where, 4);
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- (oldval | tval), 4);
- }
- break;
-
- case BFD_RELOC_PPC_VLE_SDAREL_HI16A:
- case BFD_RELOC_PPC_VLE_HI16A:
- {
- int tval = PPC_VLE_HI16A (value);
- valueT oldval = md_chars_to_number (
- fixP->fx_frag->fr_literal + fixP->fx_where, 4);
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- (oldval | tval), 4);
- }
- break;
-
- case BFD_RELOC_PPC_VLE_SDAREL_HI16D:
- case BFD_RELOC_PPC_VLE_HI16D:
- {
- int tval = PPC_VLE_HI16D (value);
- valueT oldval = md_chars_to_number (
- fixP->fx_frag->fr_literal + fixP->fx_where, 4);
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- (oldval | tval), 4);
- }
- break;
-
- case BFD_RELOC_PPC_VLE_SDAREL_HA16A:
- case BFD_RELOC_PPC_VLE_HA16A:
- {
- int tval = PPC_VLE_HA16A (value);
- valueT oldval = md_chars_to_number (
- fixP->fx_frag->fr_literal + fixP->fx_where, 4);
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- (oldval | tval), 4);
- }
- break;
-
- case BFD_RELOC_PPC_VLE_SDAREL_HA16D:
- case BFD_RELOC_PPC_VLE_HA16D:
- {
- int tval = PPC_VLE_HA16D (value);
- valueT oldval = md_chars_to_number (
- fixP->fx_frag->fr_literal + fixP->fx_where, 4);
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- (oldval | tval), 4);
- }
- break;
-
- case BFD_RELOC_PPC_VLE_SDA21_LO:
- {
- int tval = PPC_LO (value);
- valueT oldval = md_chars_to_number (
- fixP->fx_frag->fr_literal + fixP->fx_where, 4);
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- (oldval | tval), 4);
- }
- break;
-
- case BFD_RELOC_PPC_VLE_SDA21:
- {
- valueT oldval = md_chars_to_number (
- fixP->fx_frag->fr_literal + fixP->fx_where, 4);
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- (oldval | value), 4);
- }
- break;
-
-#ifdef OBJ_XCOFF
- case BFD_RELOC_NONE:
- break;
-#endif
-
-#ifdef OBJ_ELF
- case BFD_RELOC_PPC64_HIGHER:
- if (fixP->fx_pcrel)
- abort ();
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- PPC_HIGHER (value), 2);
+#ifdef OBJ_ELF
+ case BFD_RELOC_PPC64_HIGHER:
+ if (fixP->fx_pcrel)
+ goto bad_pcrel;
+ fieldval = SEX16 (PPC_HIGHER (value));
break;
case BFD_RELOC_PPC64_HIGHER_S:
if (fixP->fx_pcrel)
- abort ();
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- PPC_HIGHERA (value), 2);
+ goto bad_pcrel;
+ fieldval = SEX16 (PPC_HIGHERA (value));
break;
case BFD_RELOC_PPC64_HIGHEST:
if (fixP->fx_pcrel)
- abort ();
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- PPC_HIGHEST (value), 2);
+ goto bad_pcrel;
+ fieldval = SEX16 (PPC_HIGHEST (value));
break;
case BFD_RELOC_PPC64_HIGHEST_S:
if (fixP->fx_pcrel)
- abort ();
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- PPC_HIGHESTA (value), 2);
+ goto bad_pcrel;
+ fieldval = SEX16 (PPC_HIGHESTA (value));
break;
- case BFD_RELOC_PPC64_ADDR16_DS:
- case BFD_RELOC_PPC64_ADDR16_LO_DS:
- case BFD_RELOC_PPC64_GOT16_DS:
- case BFD_RELOC_PPC64_GOT16_LO_DS:
- case BFD_RELOC_PPC64_PLT16_LO_DS:
- case BFD_RELOC_PPC64_SECTOFF_DS:
- case BFD_RELOC_PPC64_SECTOFF_LO_DS:
- case BFD_RELOC_PPC64_TOC16_DS:
- case BFD_RELOC_PPC64_TOC16_LO_DS:
- case BFD_RELOC_PPC64_PLTGOT16_DS:
- case BFD_RELOC_PPC64_PLTGOT16_LO_DS:
- if (fixP->fx_pcrel)
- abort ();
- {
- char *where = fixP->fx_frag->fr_literal + fixP->fx_where;
- unsigned long val, mask;
-
- if (target_big_endian)
- val = bfd_getb32 (where - 2);
- else
- val = bfd_getl32 (where);
- mask = 0xfffc;
- /* lq insns reserve the four lsbs. */
- if ((ppc_cpu & PPC_OPCODE_POWER4) != 0
- && (val & (0x3f << 26)) == (56u << 26))
- mask = 0xfff0;
- val |= value & mask;
- if (target_big_endian)
- bfd_putb16 ((bfd_vma) val, where);
- else
- bfd_putl16 ((bfd_vma) val, where);
- }
- break;
-
- case BFD_RELOC_PPC_B16_BRTAKEN:
- case BFD_RELOC_PPC_B16_BRNTAKEN:
- case BFD_RELOC_PPC_BA16_BRTAKEN:
- case BFD_RELOC_PPC_BA16_BRNTAKEN:
- break;
-
- case BFD_RELOC_PPC_TLS:
- case BFD_RELOC_PPC_TLSGD:
- case BFD_RELOC_PPC_TLSLD:
- break;
-
- case BFD_RELOC_PPC_DTPMOD:
+ /* The following relocs can't be calculated by the assembler.
+ Leave the field zero. */
case BFD_RELOC_PPC_TPREL16:
case BFD_RELOC_PPC_TPREL16_LO:
case BFD_RELOC_PPC_TPREL16_HI:
case BFD_RELOC_PPC_TPREL16_HA:
- case BFD_RELOC_PPC_TPREL:
case BFD_RELOC_PPC_DTPREL16:
case BFD_RELOC_PPC_DTPREL16_LO:
case BFD_RELOC_PPC_DTPREL16_HI:
case BFD_RELOC_PPC_DTPREL16_HA:
- case BFD_RELOC_PPC_DTPREL:
case BFD_RELOC_PPC_GOT_TLSGD16:
case BFD_RELOC_PPC_GOT_TLSGD16_LO:
case BFD_RELOC_PPC_GOT_TLSGD16_HI:
case BFD_RELOC_PPC64_DTPREL16_HIGHERA:
case BFD_RELOC_PPC64_DTPREL16_HIGHEST:
case BFD_RELOC_PPC64_DTPREL16_HIGHESTA:
+ gas_assert (fixP->fx_addsy != NULL);
S_SET_THREAD_LOCAL (fixP->fx_addsy);
+ fieldval = 0;
+ if (fixP->fx_pcrel)
+ goto bad_pcrel;
break;
-#endif
- /* Because SDA21 modifies the register field, the size is set to 4
- bytes, rather than 2, so offset it here appropriately. */
+
+ /* These also should leave the field zero for the same
+ reason. Note that older versions of gas wrote values
+ here. If we want to go back to the old behaviour, then
+ all _LO and _LO_DS cases will need to be treated like
+ BFD_RELOC_LO16_PCREL above. Similarly for _HI etc. */
+ case BFD_RELOC_16_GOTOFF:
+ case BFD_RELOC_LO16_GOTOFF:
+ case BFD_RELOC_HI16_GOTOFF:
+ case BFD_RELOC_HI16_S_GOTOFF:
+ case BFD_RELOC_LO16_PLTOFF:
+ case BFD_RELOC_HI16_PLTOFF:
+ case BFD_RELOC_HI16_S_PLTOFF:
+ case BFD_RELOC_GPREL16:
+ case BFD_RELOC_16_BASEREL:
+ case BFD_RELOC_LO16_BASEREL:
+ case BFD_RELOC_HI16_BASEREL:
+ case BFD_RELOC_HI16_S_BASEREL:
+ case BFD_RELOC_PPC_TOC16:
+ case BFD_RELOC_PPC64_TOC16_LO:
+ case BFD_RELOC_PPC64_TOC16_HI:
+ case BFD_RELOC_PPC64_TOC16_HA:
+ case BFD_RELOC_PPC64_PLTGOT16:
+ case BFD_RELOC_PPC64_PLTGOT16_LO:
+ case BFD_RELOC_PPC64_PLTGOT16_HI:
+ case BFD_RELOC_PPC64_PLTGOT16_HA:
+ case BFD_RELOC_PPC64_GOT16_DS:
+ case BFD_RELOC_PPC64_GOT16_LO_DS:
+ case BFD_RELOC_PPC64_PLT16_LO_DS:
+ case BFD_RELOC_PPC64_SECTOFF_DS:
+ case BFD_RELOC_PPC64_SECTOFF_LO_DS:
+ case BFD_RELOC_PPC64_TOC16_DS:
+ case BFD_RELOC_PPC64_TOC16_LO_DS:
+ case BFD_RELOC_PPC64_PLTGOT16_DS:
+ case BFD_RELOC_PPC64_PLTGOT16_LO_DS:
+ case BFD_RELOC_PPC_EMB_NADDR16:
+ case BFD_RELOC_PPC_EMB_NADDR16_LO:
+ case BFD_RELOC_PPC_EMB_NADDR16_HI:
+ case BFD_RELOC_PPC_EMB_NADDR16_HA:
+ case BFD_RELOC_PPC_EMB_SDAI16:
+ case BFD_RELOC_PPC_EMB_SDA2I16:
+ case BFD_RELOC_PPC_EMB_SDA2REL:
case BFD_RELOC_PPC_EMB_SDA21:
+ case BFD_RELOC_PPC_EMB_MRKREF:
+ case BFD_RELOC_PPC_EMB_RELSEC16:
+ case BFD_RELOC_PPC_EMB_RELST_LO:
+ case BFD_RELOC_PPC_EMB_RELST_HI:
+ case BFD_RELOC_PPC_EMB_RELST_HA:
+ case BFD_RELOC_PPC_EMB_BIT_FLD:
+ case BFD_RELOC_PPC_EMB_RELSDA:
+ case BFD_RELOC_PPC_VLE_SDA21:
+ case BFD_RELOC_PPC_VLE_SDA21_LO:
+ case BFD_RELOC_PPC_VLE_SDAREL_LO16A:
+ case BFD_RELOC_PPC_VLE_SDAREL_LO16D:
+ case BFD_RELOC_PPC_VLE_SDAREL_HI16A:
+ case BFD_RELOC_PPC_VLE_SDAREL_HI16D:
+ case BFD_RELOC_PPC_VLE_SDAREL_HA16A:
+ case BFD_RELOC_PPC_VLE_SDAREL_HA16D:
+ gas_assert (fixP->fx_addsy != NULL);
+ /* Fall thru */
+
+ case BFD_RELOC_PPC_TLS:
+ case BFD_RELOC_PPC_TLSGD:
+ case BFD_RELOC_PPC_TLSLD:
+ fieldval = 0;
if (fixP->fx_pcrel)
- abort ();
+ goto bad_pcrel;
+ break;
+#endif
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where
- + ((target_big_endian) ? 2 : 0),
- value, 2);
+ default:
break;
+ }
- case BFD_RELOC_8:
- if (fixP->fx_pcrel)
+#ifdef OBJ_ELF
+/* powerpc uses RELA style relocs, so if emitting a reloc the field
+ contents can stay at zero. */
+#define APPLY_RELOC fixP->fx_done
+#else
+#define APPLY_RELOC 1
+#endif
+ if ((fieldval != 0 && APPLY_RELOC) || operand->insert != NULL)
+ {
+ /* Fetch the instruction, insert the fully resolved operand
+ value, and stuff the instruction back again. */
+ where = fixP->fx_frag->fr_literal + fixP->fx_where;
+ if (target_big_endian)
{
- /* This can occur if there is a bug in the input assembler, eg:
- ".byte <undefined_symbol> - ." */
- if (fixP->fx_addsy)
- as_bad (_("unable to handle reference to symbol %s"),
- S_GET_NAME (fixP->fx_addsy));
+ if (fixP->fx_size == 4)
+ insn = bfd_getb32 ((unsigned char *) where);
else
- as_bad (_("unable to resolve expression"));
- fixP->fx_done = 1;
+ insn = bfd_getb16 ((unsigned char *) where);
}
else
- md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
- value, 1);
+ {
+ if (fixP->fx_size == 4)
+ insn = bfd_getl32 ((unsigned char *) where);
+ else
+ insn = bfd_getl16 ((unsigned char *) where);
+ }
+ insn = ppc_insert_operand (insn, operand, fieldval,
+ fixP->tc_fix_data.ppc_cpu,
+ fixP->fx_file, fixP->fx_line);
+ if (target_big_endian)
+ {
+ if (fixP->fx_size == 4)
+ bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
+ else
+ bfd_putb16 ((bfd_vma) insn, (unsigned char *) where);
+ }
+ else
+ {
+ if (fixP->fx_size == 4)
+ bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
+ else
+ bfd_putl16 ((bfd_vma) insn, (unsigned char *) where);
+ }
+ }
+
+ if (fixP->fx_done)
+ /* Nothing else to do here. */
+ return;
+
+ gas_assert (fixP->fx_addsy != NULL);
+ if (fixP->fx_r_type == BFD_RELOC_UNUSED)
+ {
+ char *sfile;
+ unsigned int sline;
+
+ /* Use expr_symbol_where to see if this is an expression
+ symbol. */
+ if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("unresolved expression that must be resolved"));
+ else
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("unsupported relocation against %s"),
+ S_GET_NAME (fixP->fx_addsy));
+ fixP->fx_done = 1;
+ return;
+ }
+ }
+ else
+ {
+ /* Handle relocs in data. */
+ switch (fixP->fx_r_type)
+ {
+ case BFD_RELOC_CTOR:
+ if (ppc_obj64)
+ goto ctor64;
+ /* fall through */
+
+ case BFD_RELOC_32:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_32_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_32_PCREL:
+ case BFD_RELOC_RVA:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 4);
break;
- case BFD_RELOC_24_PLT_PCREL:
- case BFD_RELOC_PPC_LOCAL24PC:
- if (!fixP->fx_pcrel && !fixP->fx_done)
- abort ();
+ case BFD_RELOC_64:
+ ctor64:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_64_PCREL;
+ /* fall through */
- if (fixP->fx_done)
- {
- char *where;
- unsigned long insn;
+ case BFD_RELOC_64_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 8);
+ break;
- /* Fetch the instruction, insert the fully resolved operand
- value, and stuff the instruction back again. */
- where = fixP->fx_frag->fr_literal + fixP->fx_where;
- if (target_big_endian)
- insn = bfd_getb32 ((unsigned char *) where);
- else
- insn = bfd_getl32 ((unsigned char *) where);
- if (ppc_mach() == bfd_mach_ppc_vle)
+ case BFD_RELOC_16:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_16_PCREL;
+ /* fall through */
+
+ case BFD_RELOC_16_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 2);
+ break;
+
+ case BFD_RELOC_8:
+ if (fixP->fx_pcrel)
+ {
+#ifdef OBJ_ELF
+ bad_pcrel:
+#endif
+ if (fixP->fx_addsy)
{
- if ((value & 1) != 0)
+ char *sfile;
+ unsigned int sline;
+
+ /* Use expr_symbol_where to see if this is an
+ expression symbol. */
+ if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline))
as_bad_where (fixP->fx_file, fixP->fx_line,
- _("branch address must be a multiple of 2"));
- }
- else
- {
- if ((value & 3) != 0)
+ _("unresolved expression that must"
+ " be resolved"));
+ else
as_bad_where (fixP->fx_file, fixP->fx_line,
- _("branch address must be a multiple of 4"));
+ _("cannot emit PC relative %s relocation"
+ " against %s"),
+ bfd_get_reloc_code_name (fixP->fx_r_type),
+ S_GET_NAME (fixP->fx_addsy));
}
- if ((offsetT) value < -0x40000000
- || (offsetT) value >= 0x40000000)
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("@local or @plt branch destination is too far away, %ld bytes"),
- (long) value);
- insn = insn | (value & 0x03fffffc);
- if (target_big_endian)
- bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
else
- bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("unable to resolve expression"));
+ fixP->fx_done = 1;
}
+ else
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 1);
break;
case BFD_RELOC_VTABLE_INHERIT:
- fixP->fx_done = 0;
if (fixP->fx_addsy
&& !S_IS_DEFINED (fixP->fx_addsy)
&& !S_IS_WEAK (fixP->fx_addsy))
S_SET_WEAK (fixP->fx_addsy);
- break;
+ /* Fall thru */
case BFD_RELOC_VTABLE_ENTRY:
fixP->fx_done = 0;
break;
#ifdef OBJ_ELF
- /* Generated by reference to `sym@tocbase'. The sym is
- ignored by the linker. */
+ /* These can appear with @l etc. in data. */
+ case BFD_RELOC_LO16:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_LO16_PCREL;
+ case BFD_RELOC_LO16_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ value, 2);
+ break;
+
+ case BFD_RELOC_HI16:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_HI16_PCREL;
+ case BFD_RELOC_HI16_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HI (value), 2);
+ break;
+
+ case BFD_RELOC_HI16_S:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL;
+ case BFD_RELOC_HI16_S_PCREL:
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HA (value), 2);
+ break;
+
+ case BFD_RELOC_PPC64_HIGHER:
+ if (fixP->fx_pcrel)
+ goto bad_pcrel;
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HIGHER (value), 2);
+ break;
+
+ case BFD_RELOC_PPC64_HIGHER_S:
+ if (fixP->fx_pcrel)
+ goto bad_pcrel;
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HIGHERA (value), 2);
+ break;
+
+ case BFD_RELOC_PPC64_HIGHEST:
+ if (fixP->fx_pcrel)
+ goto bad_pcrel;
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HIGHEST (value), 2);
+ break;
+
+ case BFD_RELOC_PPC64_HIGHEST_S:
+ if (fixP->fx_pcrel)
+ goto bad_pcrel;
+ md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
+ PPC_HIGHESTA (value), 2);
+ break;
+
+ case BFD_RELOC_PPC_DTPMOD:
+ case BFD_RELOC_PPC_TPREL:
+ case BFD_RELOC_PPC_DTPREL:
+ S_SET_THREAD_LOCAL (fixP->fx_addsy);
+ break;
+
+ /* Just punt all of these to the linker. */
+ case BFD_RELOC_PPC_B16_BRTAKEN:
+ case BFD_RELOC_PPC_B16_BRNTAKEN:
+ case BFD_RELOC_16_GOTOFF:
+ case BFD_RELOC_LO16_GOTOFF:
+ case BFD_RELOC_HI16_GOTOFF:
+ case BFD_RELOC_HI16_S_GOTOFF:
+ case BFD_RELOC_LO16_PLTOFF:
+ case BFD_RELOC_HI16_PLTOFF:
+ case BFD_RELOC_HI16_S_PLTOFF:
+ case BFD_RELOC_PPC_COPY:
+ case BFD_RELOC_PPC_GLOB_DAT:
+ case BFD_RELOC_16_BASEREL:
+ case BFD_RELOC_LO16_BASEREL:
+ case BFD_RELOC_HI16_BASEREL:
+ case BFD_RELOC_HI16_S_BASEREL:
+ case BFD_RELOC_PPC_TLS:
+ case BFD_RELOC_PPC_DTPREL16_LO:
+ case BFD_RELOC_PPC_DTPREL16_HI:
+ case BFD_RELOC_PPC_DTPREL16_HA:
+ case BFD_RELOC_PPC_TPREL16_LO:
+ case BFD_RELOC_PPC_TPREL16_HI:
+ case BFD_RELOC_PPC_TPREL16_HA:
+ case BFD_RELOC_PPC_GOT_TLSGD16:
+ case BFD_RELOC_PPC_GOT_TLSGD16_LO:
+ case BFD_RELOC_PPC_GOT_TLSGD16_HI:
+ case BFD_RELOC_PPC_GOT_TLSGD16_HA:
+ case BFD_RELOC_PPC_GOT_TLSLD16:
+ case BFD_RELOC_PPC_GOT_TLSLD16_LO:
+ case BFD_RELOC_PPC_GOT_TLSLD16_HI:
+ case BFD_RELOC_PPC_GOT_TLSLD16_HA:
+ case BFD_RELOC_PPC_GOT_DTPREL16:
+ case BFD_RELOC_PPC_GOT_DTPREL16_LO:
+ case BFD_RELOC_PPC_GOT_DTPREL16_HI:
+ case BFD_RELOC_PPC_GOT_DTPREL16_HA:
+ case BFD_RELOC_PPC_GOT_TPREL16:
+ case BFD_RELOC_PPC_GOT_TPREL16_LO:
+ case BFD_RELOC_PPC_GOT_TPREL16_HI:
+ case BFD_RELOC_PPC_GOT_TPREL16_HA:
+ case BFD_RELOC_24_PLT_PCREL:
+ case BFD_RELOC_PPC_LOCAL24PC:
+ case BFD_RELOC_32_PLT_PCREL:
+ case BFD_RELOC_GPREL16:
+ case BFD_RELOC_PPC_VLE_SDAREL_LO16A:
+ case BFD_RELOC_PPC_VLE_SDAREL_HI16A:
+ case BFD_RELOC_PPC_VLE_SDAREL_HA16A:
+ case BFD_RELOC_PPC_EMB_NADDR32:
+ case BFD_RELOC_PPC_EMB_NADDR16:
+ case BFD_RELOC_PPC_EMB_NADDR16_LO:
+ case BFD_RELOC_PPC_EMB_NADDR16_HI:
+ case BFD_RELOC_PPC_EMB_NADDR16_HA:
+ case BFD_RELOC_PPC_EMB_SDAI16:
+ case BFD_RELOC_PPC_EMB_SDA2REL:
+ case BFD_RELOC_PPC_EMB_SDA2I16:
+ case BFD_RELOC_PPC_EMB_SDA21:
+ case BFD_RELOC_PPC_VLE_SDA21_LO:
+ case BFD_RELOC_PPC_EMB_MRKREF:
+ case BFD_RELOC_PPC_EMB_RELSEC16:
+ case BFD_RELOC_PPC_EMB_RELST_LO:
+ case BFD_RELOC_PPC_EMB_RELST_HI:
+ case BFD_RELOC_PPC_EMB_RELST_HA:
+ case BFD_RELOC_PPC_EMB_BIT_FLD:
+ case BFD_RELOC_PPC_EMB_RELSDA:
case BFD_RELOC_PPC64_TOC:
+ case BFD_RELOC_PPC_TOC16:
+ case BFD_RELOC_PPC64_TOC16_LO:
+ case BFD_RELOC_PPC64_TOC16_HI:
+ case BFD_RELOC_PPC64_TOC16_HA:
+ case BFD_RELOC_PPC64_DTPREL16_HIGHER:
+ case BFD_RELOC_PPC64_DTPREL16_HIGHERA:
+ case BFD_RELOC_PPC64_DTPREL16_HIGHEST:
+ case BFD_RELOC_PPC64_DTPREL16_HIGHESTA:
+ case BFD_RELOC_PPC64_TPREL16_HIGHER:
+ case BFD_RELOC_PPC64_TPREL16_HIGHERA:
+ case BFD_RELOC_PPC64_TPREL16_HIGHEST:
+ case BFD_RELOC_PPC64_TPREL16_HIGHESTA:
fixP->fx_done = 0;
break;
#endif
+
+#ifdef OBJ_XCOFF
+ case BFD_RELOC_NONE:
+ break;
+#endif
+
default:
fprintf (stderr,
_("Gas failure, reloc value %d\n"), fixP->fx_r_type);
}
#ifdef OBJ_ELF
+ ppc_elf_validate_fix (fixP, seg);
fixP->fx_addnumber = value;
/* PowerPC uses RELA relocs, ie. the reloc addend is stored separately
projects / deliverable / binutils-gdb.git / commitdiff
