diff options
Diffstat (limited to 'opcodes/i386-dis.c')
| -rw-r--r-- | opcodes/i386-dis.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 2af341f160..0c7f77a76e 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -3629,7 +3629,7 @@ with the -M switch (multiple options should be separated by commas):\n")); /* Get a pointer to struct dis386 with a valid name. */ static const struct dis386 * -get_valid_dis386 (const struct dis386 *dp) +get_valid_dis386 (const struct dis386 *dp, disassemble_info *info) { int index; @@ -3678,6 +3678,15 @@ get_valid_dis386 (const struct dis386 *dp) dp = &x86_64_table[dp->op[1].bytemode][index]; break; + case IS_3BYTE_OPCODE: + FETCH_DATA (info, codep + 2); + index = *codep++; + dp = &three_byte_table[dp->op[1].bytemode][index]; + modrm.mod = (*codep >> 6) & 3; + modrm.reg = (*codep >> 3) & 7; + modrm.rm = *codep & 7; + break; + case USE_OPC_EXT_TABLE: index = modrm.mod == 0x3 ? 1 : 0; dp = &opc_ext_table[dp->op[1].bytemode][index]; @@ -3696,7 +3705,7 @@ get_valid_dis386 (const struct dis386 *dp) if (dp->name != NULL) return dp; else - return get_valid_dis386 (dp); + return get_valid_dis386 (dp, info); } static int @@ -3897,11 +3906,6 @@ print_insn (bfd_vma pc, disassemble_info *info) dp = &dis386_twobyte[threebyte]; need_modrm = twobyte_has_modrm[*codep]; codep++; - if (dp->name == NULL && dp->op[0].bytemode == IS_3BYTE_OPCODE) - { - FETCH_DATA (info, codep + 2); - op = *codep++; - } } else { @@ -3964,14 +3968,7 @@ print_insn (bfd_vma pc, disassemble_info *info) } } - if (dp->name == NULL && dp->op[0].bytemode == IS_3BYTE_OPCODE) - { - dp = &three_byte_table[dp->op[1].bytemode][op]; - modrm.mod = (*codep >> 6) & 3; - modrm.reg = (*codep >> 3) & 7; - modrm.rm = *codep & 7; - } - else if (need_modrm) + if (need_modrm) { FETCH_DATA (info, codep + 1); modrm.mod = (*codep >> 6) & 3; @@ -3985,7 +3982,7 @@ print_insn (bfd_vma pc, disassemble_info *info) } else { - dp = get_valid_dis386 (dp); + dp = get_valid_dis386 (dp, info); if (dp != NULL && putop (dp->name, sizeflag) == 0) { for (i = 0; i < MAX_OPERANDS; ++i) |
