#ifdef OBJ_ELF
/* Pre-defined "_GLOBAL_OFFSET_TABLE_" */
static symbolS *GOT_symbol;
+
+/* Which ABI to use. */
+enum aarch64_abi_type
+{
+ AARCH64_ABI_LP64 = 0,
+ AARCH64_ABI_ILP32 = 1
+};
+
+/* AArch64 ABI for the output file. */
+static enum aarch64_abi_type aarch64_abi = AARCH64_ABI_LP64;
+
+/* When non-zero, program to a 32-bit model, in which the C data types
+ int, long and all pointer types are 32-bit objects (ILP32); or to a
+ 64-bit model, in which the C int type is 32-bits but the C long type
+ and all pointer types are 64-bit objects (LP64). */
+#define ilp32_p (aarch64_abi == AARCH64_ABI_ILP32)
#endif
enum neon_el_type
BFD_RELOC_AARCH64_MOVW_G3,
0,
0},
- /* Get to the GOT entry for a symbol. */
- {"got_prel19", 0,
- 0,
- 0,
- 0,
- BFD_RELOC_AARCH64_GOT_LD_PREL19},
+
/* Get to the page containing GOT entry for a symbol. */
{"got", 1,
BFD_RELOC_AARCH64_ADR_GOT_PAGE,
0,
0,
- 0},
+ BFD_RELOC_AARCH64_GOT_LD_PREL19},
+
/* 12 bit offset into the page containing GOT entry for that symbol. */
{"got_lo12", 0,
0,
0,
0,
- BFD_RELOC_AARCH64_LD64_GOT_LO12_NC},
+ BFD_RELOC_AARCH64_LD_GOT_LO12_NC},
/* Get to the page containing GOT TLS entry for a symbol */
{"tlsgd", 0,
/* Get to the page containing GOT TLS entry for a symbol */
{"tlsdesc", 0,
- BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE,
+ BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21,
0,
0,
0},
0,
0,
BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC,
- BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC},
+ BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC},
/* Get to the page containing GOT TLS entry for a symbol */
{"gottprel", 0,
0,
0,
0,
- BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC},
+ BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC},
/* Get tp offset for a symbol. */
{"tprel", 0,
{
char *p, *q;
char buf[32];
- const struct aarch64_name_value_pair *o;
+ const aarch64_sys_reg *o;
int value;
p = buf;
}
}
else
- value = o->value;
+ {
+ if (aarch64_sys_reg_deprecated_p (o))
+ as_warn (_("system register name '%s' is deprecated and may be "
+"removed in a future release"), buf);
+ value = o->value;
+ }
*str = q;
return value;
case AARCH64_OPND_IMM_MOV:
{
char *saved = str;
- if (reg_name_p (str, REG_TYPE_R_Z_SP))
+ if (reg_name_p (str, REG_TYPE_R_Z_SP) ||
+ reg_name_p (str, REG_TYPE_VN))
goto failure;
str = saved;
po_misc_or_fail (my_get_expression (&inst.reloc.exp, &str,
break;
case AARCH64_OPND_COND:
+ case AARCH64_OPND_COND1:
info->cond = hash_find_n (aarch64_cond_hsh, str, 2);
str += 2;
if (info->cond == NULL)
set_syntax_error (_("invalid condition"));
goto failure;
}
+ else if (operands[i] == AARCH64_OPND_COND1
+ && (info->cond->value & 0xe) == 0xe)
+ {
+ /* Not allow AL or NV. */
+ set_default_error ();
+ goto failure;
+ }
break;
case AARCH64_OPND_ADDR_ADRP:
return -1;
}
+/* Implement DWARF2_ADDR_SIZE. */
+
+int
+aarch64_dwarf2_addr_size (void)
+{
+#if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF)
+ if (ilp32_p)
+ return 4;
+#endif
+ return bfd_arch_bits_per_address (stdoutput) / 8;
+}
+
/* MD interface: Symbol and relocation handling. */
/* Return the address within the segment that a PC-relative fixup is
break;
case BFD_RELOC_AARCH64_LD_LO19_PCREL:
- if (value & 3)
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("pc-relative load offset not word aligned"));
- if (signed_overflow (value, 21))
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("pc-relative load offset out of range"));
if (fixP->fx_done || !seg->use_rela_p)
{
+ if (value & 3)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("pc-relative load offset not word aligned"));
+ if (signed_overflow (value, 21))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("pc-relative load offset out of range"));
insn = get_aarch64_insn (buf);
insn |= encode_ld_lit_ofs_19 (value >> 2);
put_aarch64_insn (buf, insn);
break;
case BFD_RELOC_AARCH64_ADR_LO21_PCREL:
- if (signed_overflow (value, 21))
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("pc-relative address offset out of range"));
if (fixP->fx_done || !seg->use_rela_p)
{
+ if (signed_overflow (value, 21))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("pc-relative address offset out of range"));
insn = get_aarch64_insn (buf);
insn |= encode_adr_imm (value);
put_aarch64_insn (buf, insn);
break;
case BFD_RELOC_AARCH64_BRANCH19:
- if (value & 3)
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("conditional branch target not word aligned"));
- if (signed_overflow (value, 21))
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("conditional branch out of range"));
if (fixP->fx_done || !seg->use_rela_p)
{
+ if (value & 3)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("conditional branch target not word aligned"));
+ if (signed_overflow (value, 21))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("conditional branch out of range"));
insn = get_aarch64_insn (buf);
insn |= encode_cond_branch_ofs_19 (value >> 2);
put_aarch64_insn (buf, insn);
break;
case BFD_RELOC_AARCH64_TSTBR14:
- if (value & 3)
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("conditional branch target not word aligned"));
- if (signed_overflow (value, 16))
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("conditional branch out of range"));
if (fixP->fx_done || !seg->use_rela_p)
{
+ if (value & 3)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("conditional branch target not word aligned"));
+ if (signed_overflow (value, 16))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("conditional branch out of range"));
insn = get_aarch64_insn (buf);
insn |= encode_tst_branch_ofs_14 (value >> 2);
put_aarch64_insn (buf, insn);
case BFD_RELOC_AARCH64_JUMP26:
case BFD_RELOC_AARCH64_CALL26:
- if (value & 3)
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("branch target not word aligned"));
- if (signed_overflow (value, 28))
- as_bad_where (fixP->fx_file, fixP->fx_line, _("branch out of range"));
if (fixP->fx_done || !seg->use_rela_p)
{
+ if (value & 3)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("branch target not word aligned"));
+ if (signed_overflow (value, 28))
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("branch out of range"));
insn = get_aarch64_insn (buf);
insn |= encode_branch_ofs_26 (value >> 2);
put_aarch64_insn (buf, insn);
}
break;
- case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
+ case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC:
+ fixP->fx_r_type = (ilp32_p
+ ? BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC
+ : BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC);
+ S_SET_THREAD_LOCAL (fixP->fx_addsy);
+ /* Should always be exported to object file, see
+ aarch64_force_relocation(). */
+ gas_assert (!fixP->fx_done);
+ gas_assert (seg->use_rela_p);
+ break;
+
+ case BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC:
+ fixP->fx_r_type = (ilp32_p
+ ? BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC
+ : BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC);
+ S_SET_THREAD_LOCAL (fixP->fx_addsy);
+ /* Should always be exported to object file, see
+ aarch64_force_relocation(). */
+ gas_assert (!fixP->fx_done);
+ gas_assert (seg->use_rela_p);
+ break;
+
+ case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
+ case BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
+ case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
- case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
+ case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
- case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2:
- case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
- case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:
- case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE:
- case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
- case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
+ case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC:
+ case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2:
S_SET_THREAD_LOCAL (fixP->fx_addsy);
/* Should always be exported to object file, see
aarch64_force_relocation(). */
gas_assert (seg->use_rela_p);
break;
+ case BFD_RELOC_AARCH64_LD_GOT_LO12_NC:
+ /* Should always be exported to object file, see
+ aarch64_force_relocation(). */
+ fixP->fx_r_type = (ilp32_p
+ ? BFD_RELOC_AARCH64_LD32_GOT_LO12_NC
+ : BFD_RELOC_AARCH64_LD64_GOT_LO12_NC);
+ gas_assert (!fixP->fx_done);
+ gas_assert (seg->use_rela_p);
+ break;
+
case BFD_RELOC_AARCH64_ADR_HI21_PCREL:
case BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL:
case BFD_RELOC_AARCH64_ADD_LO12:
case BFD_RELOC_AARCH64_GOT_LD_PREL19:
case BFD_RELOC_AARCH64_ADR_GOT_PAGE:
case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
+ case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
/* Should always be exported to object file, see
aarch64_force_relocation(). */
gas_assert (!fixP->fx_done);
even if the symbol is extern or weak. */
return 0;
- case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
+ case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC:
+ case BFD_RELOC_AARCH64_LD_GOT_LO12_NC:
+ /* Pseudo relocs that need to be fixed up according to
+ ilp32_p. */
+ return 0;
+
+ case BFD_RELOC_AARCH64_ADD_LO12:
+ case BFD_RELOC_AARCH64_ADR_GOT_PAGE:
+ case BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL:
+ case BFD_RELOC_AARCH64_ADR_HI21_PCREL:
+ case BFD_RELOC_AARCH64_GOT_LD_PREL19:
+ case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
+ case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
+ case BFD_RELOC_AARCH64_LDST128_LO12:
+ case BFD_RELOC_AARCH64_LDST16_LO12:
+ case BFD_RELOC_AARCH64_LDST32_LO12:
+ case BFD_RELOC_AARCH64_LDST64_LO12:
+ case BFD_RELOC_AARCH64_LDST8_LO12:
+ case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
+ case BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
+ case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
- case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
+ case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
- case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2:
- case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
- case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:
- case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE:
- case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
- case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
- case BFD_RELOC_AARCH64_ADR_GOT_PAGE:
- case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
- case BFD_RELOC_AARCH64_ADR_HI21_PCREL:
- case BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL:
- case BFD_RELOC_AARCH64_ADD_LO12:
- case BFD_RELOC_AARCH64_LDST8_LO12:
- case BFD_RELOC_AARCH64_LDST16_LO12:
- case BFD_RELOC_AARCH64_LDST32_LO12:
- case BFD_RELOC_AARCH64_LDST64_LO12:
- case BFD_RELOC_AARCH64_LDST128_LO12:
- case BFD_RELOC_AARCH64_GOT_LD_PREL19:
+ case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
+ case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC:
+ case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2:
/* Always leave these relocations for the linker. */
return 1;
elf64_aarch64_target_format (void)
{
if (target_big_endian)
- return "elf64-bigaarch64";
+ return ilp32_p ? "elf32-bigaarch64" : "elf64-bigaarch64";
else
- return "elf64-littleaarch64";
+ return ilp32_p ? "elf32-littleaarch64" : "elf64-littleaarch64";
}
void
cpu_variant = *mcpu_cpu_opt;
/* Record the CPU type. */
- mach = bfd_mach_aarch64;
+ mach = ilp32_p ? bfd_mach_aarch64_ilp32 : bfd_mach_aarch64;
bfd_set_arch_mach (stdoutput, TARGET_ARCH, mach);
}
return 0;
}
+/* ABIs. */
+struct aarch64_option_abi_value_table
+{
+ char *name;
+ enum aarch64_abi_type value;
+};
+
+static const struct aarch64_option_abi_value_table aarch64_abis[] = {
+ {"ilp32", AARCH64_ABI_ILP32},
+ {"lp64", AARCH64_ABI_LP64},
+ {NULL, 0}
+};
+
+static int
+aarch64_parse_abi (char *str)
+{
+ const struct aarch64_option_abi_value_table *opt;
+ size_t optlen = strlen (str);
+
+ if (optlen == 0)
+ {
+ as_bad (_("missing abi name `%s'"), str);
+ return 0;
+ }
+
+ for (opt = aarch64_abis; opt->name != NULL; opt++)
+ if (strlen (opt->name) == optlen && strncmp (str, opt->name, optlen) == 0)
+ {
+ aarch64_abi = opt->value;
+ return 1;
+ }
+
+ as_bad (_("unknown abi `%s'\n"), str);
+ return 0;
+}
+
static struct aarch64_long_option_table aarch64_long_opts[] = {
+#ifdef OBJ_ELF
+ {"mabi=", N_("<abi name>\t specify for ABI <abi name>"),
+ aarch64_parse_abi, NULL},
+#endif /* OBJ_ELF */
{"mcpu=", N_("<cpu name>\t assemble for CPU <cpu name>"),
aarch64_parse_cpu, NULL},
{"march=", N_("<arch name>\t assemble for architecture <arch name>"),
projects / deliverable / binutils-gdb.git / blobdiff