@@ -45,6 +45,9 @@ struct riscv_cl_insn
/* The encoded instruction bits. */
insn_t insn_opcode;
+ /* The long encoded instruction bits ([0] is non-zero if used). */
+ char insn_long_opcode[RISCV_MAX_INSN_LEN];
+
/* The frag that contains the instruction. */
struct frag *frag;
@@ -714,6 +717,7 @@ create_insn (struct riscv_cl_insn *insn, const struct riscv_opcode *mo)
{
insn->insn_mo = mo;
insn->insn_opcode = mo->match;
+ insn->insn_long_opcode[0] = 0; /* Long insn has non-zero value. */
insn->frag = NULL;
insn->where = 0;
insn->fixp = NULL;
@@ -725,7 +729,10 @@ static void
install_insn (const struct riscv_cl_insn *insn)
{
char *f = insn->frag->fr_literal + insn->where;
- number_to_chars_littleendian (f, insn->insn_opcode, insn_length (insn));
+ if (insn->insn_long_opcode[0] != 0)
+ memcpy (f, insn->insn_long_opcode, insn_length (insn));
+ else
+ number_to_chars_littleendian (f, insn->insn_opcode, insn_length (insn));
}
/* Move INSN to offset WHERE in FRAG. Adjust the fixups accordingly
@@ -3481,7 +3488,21 @@ riscv_ip_hardcode (char *str,
values[num++] = (insn_t) imm_expr->X_add_number;
break;
case O_big:
- values[num++] = generic_bignum[0];
+ /* Extract lower 16-bits of a big number. */
+ if (CHARS_PER_LITTLENUM == 1)
+ {
+ offsetT n = imm_expr->X_add_number;
+ n = n > 2 ? 2 : n;
+ values[num] = 0;
+ for (offsetT i = 0; i < n; ++i)
+ {
+ values[num] *= (insn_t) LITTLENUM_RADIX;
+ values[num] |= (insn_t) generic_bignum[n - i - 1];
+ }
+ num++;
+ }
+ else
+ values[num++] = (insn_t) generic_bignum[0];
break;
default:
/* The first value isn't constant, so it should be
@@ -3508,12 +3529,25 @@ riscv_ip_hardcode (char *str,
if (imm_expr->X_op == O_big)
{
- if (bytes != imm_expr->X_add_number * CHARS_PER_LITTLENUM)
+ unsigned int llen = 0;
+ for (LITTLENUM_TYPE lval = generic_bignum[imm_expr->X_add_number - 1];
+ lval != 0; llen++)
+ lval >>= BITS_PER_CHAR;
+ unsigned int repr_bytes
+ = (imm_expr->X_add_number - 1) * CHARS_PER_LITTLENUM + llen;
+ if (bytes < repr_bytes)
return _("value conflicts with instruction length");
- char *f = frag_more (bytes);
- for (num = 0; num < imm_expr->X_add_number; ++num)
- number_to_chars_littleendian (f + num * CHARS_PER_LITTLENUM,
- generic_bignum[num], CHARS_PER_LITTLENUM);
+ for (num = 0; num < imm_expr->X_add_number - 1; ++num)
+ number_to_chars_littleendian (
+ ip->insn_long_opcode + num * CHARS_PER_LITTLENUM,
+ generic_bignum[num],
+ CHARS_PER_LITTLENUM);
+ if (llen != 0)
+ number_to_chars_littleendian (
+ ip->insn_long_opcode + num * CHARS_PER_LITTLENUM,
+ generic_bignum[num],
+ llen);
+ memset(ip->insn_long_opcode + repr_bytes, 0, bytes - repr_bytes);
return NULL;
}
@@ -4590,7 +4624,7 @@ s_riscv_insn (int x ATTRIBUTE_UNUSED)
else
as_bad ("%s `%s'", error.msg, error.statement);
}
- else if (imm_expr.X_op != O_big)
+ else
{
gas_assert (insn.insn_mo->pinfo != INSN_MACRO);
append_insn (&insn, &imm_expr, imm_reloc);
@@ -74,5 +74,13 @@ insn.s +69 +0xf6.*
insn.s +70 +0xfe.*
insn.s +71 +0x108.*
insn.s +72 +0x114.*
-insn.s +- +0x12a
+insn.s +74 +0x12a.*
+insn.s +75 +0x134.*
+insn.s +76 +0x13e.*
+insn.s +77 +0x154.*
+insn.s +78 +0x16a.*
+insn.s +79 +0x180.*
+insn.s +80 +0x196.*
+insn.s +81 +0x1ac.*
+insn.s +- +0x1c2
#pass
@@ -73,3 +73,11 @@ Disassembly of section .text:
[^:]+:[ ]+007f 0000 0000 0000 0000[ ]+\.byte[ ]+0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
[^:]+:[ ]+0000107f 00000000 00000000[ ]+\.byte[ ]+0x7f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
[^:]+:[ ]+607f 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000[ ]+\.byte[ ]+0x7f, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+[^:]+:[ ]+007f 0000 0000 0000 8000[ ]+\.byte[ ]+0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80
+[^:]+:[ ]+007f 0000 0000 0000 8000[ ]+\.byte[ ]+0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80
+[^:]+:[ ]+607f 89ab 4567 0123 3210 7654 ba98 fedc 0000 0000 0000[ ]+\.byte[ ]+0x7f, 0x60, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+[^:]+:[ ]+607f 89ab 4567 0123 3210 7654 ba98 fedc 0000 0000 0000[ ]+\.byte[ ]+0x7f, 0x60, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+[^:]+:[ ]+607f 33cc 55aa cdef 89ab 4567 0123 3210 7654 ba98 00dc[ ]+\.byte[ ]+0x7f, 0x60, 0xcc, 0x33, 0xaa, 0x55, 0xef, 0xcd, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0x00
+[^:]+:[ ]+607f 33cc 55aa cdef 89ab 4567 0123 3210 7654 ba98 00dc[ ]+\.byte[ ]+0x7f, 0x60, 0xcc, 0x33, 0xaa, 0x55, 0xef, 0xcd, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0x00
+[^:]+:[ ]+607f 33cc 55aa cdef 89ab 4567 0123 3210 7654 ba98 fedc[ ]+\.byte[ ]+0x7f, 0x60, 0xcc, 0x33, 0xaa, 0x55, 0xef, 0xcd, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0xfe
+[^:]+:[ ]+607f 33cc 55aa cdef 89ab 4567 0123 3210 7654 ba98 fedc[ ]+\.byte[ ]+0x7f, 0x60, 0xcc, 0x33, 0xaa, 0x55, 0xef, 0xcd, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0xfe
@@ -92,3 +92,25 @@ Disassembly of section .text:
[^:]+:[ ]+607f 0000 0000 0000[ ]+\.byte[ ]+0x7f, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
[^:]+:[ ]+0000 0000 0000 0000 ?
[^:]+:[ ]+0000 0000 0000 ?
+[^:]+:[ ]+007f 0000 0000 0000[ ]+\.byte[ ]+0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80
+[^:]+:[ ]+8000 ?
+[^:]+:[ ]+007f 0000 0000 0000[ ]+\.byte[ ]+0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80
+[^:]+:[ ]+8000 ?
+[^:]+:[ ]+607f 89ab 4567 0123[ ]+\.byte[ ]+0x7f, 0x60, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+[^:]+:[ ]+3210 7654 ba98 fedc ?
+[^:]+:[ ]+0000 0000 0000 ?
+[^:]+:[ ]+607f 89ab 4567 0123[ ]+\.byte[ ]+0x7f, 0x60, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+[^:]+:[ ]+3210 7654 ba98 fedc ?
+[^:]+:[ ]+0000 0000 0000 ?
+[^:]+:[ ]+607f 33cc 55aa cdef[ ]+\.byte[ ]+0x7f, 0x60, 0xcc, 0x33, 0xaa, 0x55, 0xef, 0xcd, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0x00
+[^:]+:[ ]+89ab 4567 0123 3210 ?
+[^:]+:[ ]+7654 ba98 00dc ?
+[^:]+:[ ]+607f 33cc 55aa cdef[ ]+\.byte[ ]+0x7f, 0x60, 0xcc, 0x33, 0xaa, 0x55, 0xef, 0xcd, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0x00
+[^:]+:[ ]+89ab 4567 0123 3210 ?
+[^:]+:[ ]+7654 ba98 00dc ?
+[^:]+:[ ]+607f 33cc 55aa cdef[ ]+\.byte[ ]+0x7f, 0x60, 0xcc, 0x33, 0xaa, 0x55, 0xef, 0xcd, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0xfe
+[^:]+:[ ]+89ab 4567 0123 3210 ?
+[^:]+:[ ]+7654 ba98 fedc ?
+[^:]+:[ ]+607f 33cc 55aa cdef[ ]+\.byte[ ]+0x7f, 0x60, 0xcc, 0x33, 0xaa, 0x55, 0xef, 0xcd, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0xfe
+[^:]+:[ ]+89ab 4567 0123 3210 ?
+[^:]+:[ ]+7654 ba98 fedc ?
@@ -70,3 +70,12 @@ target:
.insn 10, 0x007f
.insn 12, 0x107f
.insn 22, 0x607f
+
+ .insn 0x8000000000000000007f
+ .insn 10, 0x8000000000000000007f
+ .insn 0x000000000000fedcba98765432100123456789ab607f
+ .insn 22, 0x000000000000fedcba98765432100123456789ab607f
+ .insn 0x00dcba98765432100123456789abcdef55aa33cc607f
+ .insn 22, 0x00dcba98765432100123456789abcdef55aa33cc607f
+ .insn 0xfedcba98765432100123456789abcdef55aa33cc607f
+ .insn 22, 0xfedcba98765432100123456789abcdef55aa33cc607f
@@ -641,7 +641,10 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
this is little-endian code. */
static int
-riscv_disassemble_insn (bfd_vma memaddr, insn_t word, disassemble_info *info)
+riscv_disassemble_insn (bfd_vma memaddr,
+ insn_t word,
+ const bfd_byte *packet,
+ disassemble_info *info)
{
const struct riscv_opcode *op;
static bool init = false;
@@ -806,8 +809,7 @@ riscv_disassemble_insn (bfd_vma memaddr, insn_t word, disassemble_info *info)
", ");
(*info->fprintf_styled_func) (info->stream, dis_style_immediate,
"0x%02x",
- (unsigned int) (word & 0xff));
- word >>= 8;
+ (unsigned int) (*packet++));
}
}
break;
@@ -983,6 +985,7 @@ riscv_data_length (bfd_vma memaddr,
static int
riscv_disassemble_data (bfd_vma memaddr ATTRIBUTE_UNUSED,
insn_t data,
+ const bfd_byte *packet ATTRIBUTE_UNUSED,
disassemble_info *info)
{
info->display_endian = info->endian;
@@ -1037,7 +1040,7 @@ print_insn_riscv (bfd_vma memaddr, struct disassemble_info *info)
bfd_vma dump_size;
int status;
enum riscv_seg_mstate mstate;
- int (*riscv_disassembler) (bfd_vma, insn_t, struct disassemble_info *);
+ int (*riscv_disassembler) (bfd_vma, insn_t, const bfd_byte*, struct disassemble_info *);
if (info->disassembler_options != NULL)
{
@@ -1081,7 +1084,7 @@ print_insn_riscv (bfd_vma memaddr, struct disassemble_info *info)
}
insn = (insn_t) bfd_get_bits (packet, dump_size * 8, false);
- return (*riscv_disassembler) (memaddr, insn, info);
+ return (*riscv_disassembler) (memaddr, insn, packet, info);
}
disassembler_ftype