/* Print i386 instructions for GDB, the GNU debugger.
- Copyright (C) 1988-2019 Free Software Foundation, Inc.
+ Copyright (C) 1988-2020 Free Software Foundation, Inc.
This file is part of the GNU opcodes library.
static void CMP_Fixup (int, int);
static void BadOp (void);
static void REP_Fixup (int, int);
+static void SEP_Fixup (int, int);
static void BND_Fixup (int, int);
static void NOTRACK_Fixup (int, int);
static void HLE_Fixup1 (int, int);
#define I1 { OP_I, const_1_mode }
#define Jb { OP_J, b_mode }
#define Jv { OP_J, v_mode }
+#define Jdqw { OP_J, dqw_mode }
#define Cm { OP_C, m_mode }
#define Dm { OP_D, m_mode }
#define Td { OP_T, d_mode }
#define EMCq { OP_EMC, q_mode }
#define MXC { OP_MXC, 0 }
#define OPSUF { OP_3DNowSuffix, 0 }
+#define SEP { SEP_Fixup, 0 }
#define CMP { CMP_Fixup, 0 }
#define XMM0 { XMM_Fixup, 0 }
#define FXSAVE { FXSAVE_Fixup, 0 }
v_bndmk_mode,
/* operand size depends on REX prefixes. */
dq_mode,
- /* registers like dq_mode, memory like w_mode. */
+ /* registers like dq_mode, memory like w_mode, displacements like
+ v_mode without considering Intel64 ISA. */
dqw_mode,
/* bounds operand */
bnd_mode,
{ "rdtsc", { XX }, 0 },
{ "rdmsr", { XX }, 0 },
{ "rdpmc", { XX }, 0 },
- { "sysenter", { XX }, 0 },
- { "sysexit", { XX }, 0 },
+ { "sysenter", { SEP }, 0 },
+ { "sysexit", { SEP }, 0 },
{ Bad_Opcode },
{ "getsec", { XX }, 0 },
/* 38 */
},
{
/* RM_C7_REG_7 */
- { "xbeginT", { Skip_MODRM, Jv }, 0 },
+ { "xbeginT", { Skip_MODRM, Jdqw }, 0 },
},
{
/* RM_0F01_REG_0 */
enum x86_64_isa
{
- amd64 = 0,
+ amd64 = 1,
intel64
};
disp -= 0x100;
break;
case v_mode:
- if (isa64 == amd64)
+ if (isa64 != intel64)
+ case dqw_mode:
USED_REX (REX_W);
if ((sizeflag & DFLAG)
|| (address_mode == mode_64bit
- && (isa64 != amd64 || (rex & REX_W))))
+ && ((isa64 == intel64 && bytemode != dqw_mode)
+ || (rex & REX_W))))
disp = get32s ();
else
{
& ~((bfd_vma) 0xffff));
}
if (address_mode != mode_64bit
- || (isa64 == amd64 && !(rex & REX_W)))
+ || (isa64 != intel64 && !(rex & REX_W)))
used_prefixes |= (prefixes & PREFIX_DATA);
break;
default:
}
}
+static void
+SEP_Fixup (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
+{
+ if ( isa64 != amd64 )
+ return;
+
+ obufp = obuf;
+ BadOp ();
+ mnemonicendp = obufp;
+ ++codep;
+}
+
/* For BND-prefixed instructions 0xF2 prefix should be displayed as
"bnd". */