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From: <sv...@va...> - 2007-02-28 23:31:50
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Author: sewardj
Date: 2007-02-28 23:31:42 +0000 (Wed, 28 Feb 2007)
New Revision: 1736
Log:
Support 'INT $3' instruction.
Modified:
trunk/priv/guest-x86/toIR.c
trunk/priv/host-x86/hdefs.c
Modified: trunk/priv/guest-x86/toIR.c
===================================================================
--- trunk/priv/guest-x86/toIR.c 2007-02-23 08:48:22 UTC (rev 1735)
+++ trunk/priv/guest-x86/toIR.c 2007-02-28 23:31:42 UTC (rev 1736)
@@ -11208,6 +11208,12 @@
/* ------------------------ INT ------------------------ */
+ case 0xCC: /* INT 3 */
+ jmp_lit(Ijk_Trap,((Addr32)guest_EIP_bbstart)+delta);
+ dres.whatNext = Dis_StopHere;
+ DIP("int $0x3\n");
+ break;
+
case 0xCD: /* INT imm8 */
d32 = getIByte(delta); delta++;
if (d32 != 0x80) goto decode_failure;
Modified: trunk/priv/host-x86/hdefs.c
===================================================================
--- trunk/priv/host-x86/hdefs.c 2007-02-23 08:48:22 UTC (rev 1735)
+++ trunk/priv/host-x86/hdefs.c 2007-02-28 23:31:42 UTC (rev 1736)
@@ -2184,6 +2184,9 @@
case Ijk_Sys_sysenter:
*p++ = 0xBD;
p = emit32(p, VEX_TRC_JMP_SYS_SYSENTER); break;
+ case Ijk_Trap:
+ *p++ = 0xBD;
+ p = emit32(p, VEX_TRC_JMP_TRAP); break;
case Ijk_Ret:
case Ijk_Call:
case Ijk_Boring:
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