arm: support V8 as a mode for A32 encodings

arch/ARM/ARMDisassembler.c

@@ -374,7 +374,8 @@ uint64_t ARM_getFeatureBits(unsigned int mode)
 	// FIXME: no Armv8 support?
 	//Bits -= ARM_HasV7Ops;
 	//Bits &= ~ARM_FeatureMP;
-	//Bits &= ~ARM_HasV8Ops;
+	if ((mode & CS_MODE_V8) == 0)
+		Bits &= ~ARM_HasV8Ops;
 	//Bits &= ~ARM_HasV6Ops;
 
 	if ((mode & CS_MODE_MCLASS) == 0)

arch/ARM/ARMInstPrinter.c

@@ -313,15 +313,12 @@ void ARM_printInst(MCInst *MI, SStream *O, void *Info)
 				case 4: SStream_concat0(O, "sev"); pubOpcode = ARM_INS_SEV; break;
 				case 5:
 						// FIXME: HasV80Ops becomes a mode
-						//if ((ARM_getFeatureBits(MI->csh->mode) & ARM_HasV8Ops)) {
-						//	SStream_concat0(O, "sevl");
-						//	break;
-						//}
+						if ((ARM_getFeatureBits(MI->csh->mode) & ARM_HasV8Ops)) {
+							SStream_concat0(O, "sevl");
+							pubOpcode = ARM_INS_SEVL;
+							break;
+						}
 						// Fallthrough for non-v8
-
-						SStream_concat0(O, "sevl");
-						pubOpcode = ARM_INS_SEVL;
-						break;
 				default:
 						// Anything else should just print normally.
 						printInstruction(MI, O, MRI);
@@ -1163,10 +1160,8 @@ static void printBitfieldInvMaskImmOperand(MCInst *MI, unsigned OpNum, SStream *
 static void printMemBOption(MCInst *MI, unsigned OpNum, SStream *O)
 {
 	unsigned val = (unsigned int)MCOperand_getImm(MCInst_getOperand(MI, OpNum));
-	// FIXME: HasV80Ops becomes a mode
-	// SStream_concat0(O, ARM_MB_MemBOptToString(val,
-	// 			ARM_getFeatureBits(MI->csh->mode) & ARM_HasV8Ops));
-	SStream_concat0(O, ARM_MB_MemBOptToString(val, true));
+	SStream_concat0(O, ARM_MB_MemBOptToString(val,
+				ARM_getFeatureBits(MI->csh->mode) & ARM_HasV8Ops));
 }
 
 void printInstSyncBOption(MCInst *MI, unsigned OpNum, SStream *O)

arch/ARM/ARMModule.c

@@ -14,7 +14,7 @@ static cs_err init(cs_struct *ud)
 	MCRegisterInfo *mri;
 
 	// verify if requested mode is valid
-	if (ud->mode & ~(CS_MODE_LITTLE_ENDIAN | CS_MODE_ARM |
+	if (ud->mode & ~(CS_MODE_LITTLE_ENDIAN | CS_MODE_ARM | CS_MODE_V8 |
 				CS_MODE_MCLASS | CS_MODE_THUMB | CS_MODE_BIG_ENDIAN))
 		return CS_ERR_MODE;