Initial Commit

thirdparty/capstone/arch/RISCV/RISCVBaseInfo.h

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+//===-- RISCVBaseInfo.h - Top level definitions for RISCV MC ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains small standalone enum definitions for the RISCV target
+// useful for the compiler back-end and the MC libraries.
+//
+//===----------------------------------------------------------------------===//
+#ifndef CS_RISCVBASEINFO_H
+#define CS_RISCVBASEINFO_H
+#include "../../cs_priv.h"
+
+//#include "RISCVMCTargetDesc.h"
+
+// RISCVII - This namespace holds all of the target specific flags that
+// instruction info tracks. All definitions must match RISCVInstrFormats.td.
+enum {
+	IRISCVII_InstFormatPseudo = 0,
+  	IRISCVII_InstFormatR = 1,
+  	IRISCVII_InstFormatR4 = 2,
+  	IRISCVII_InstFormatI = 3,
+  	IRISCVII_InstFormatS = 4,
+  	IRISCVII_InstFormatB = 5,
+  	IRISCVII_InstFormatU = 6,
+  	IRISCVII_InstFormatJ = 7,
+  	IRISCVII_InstFormatCR = 8,
+  	IRISCVII_InstFormatCI = 9,
+  	IRISCVII_InstFormatCSS = 10,
+  	IRISCVII_InstFormatCIW = 11,
+ 	IRISCVII_InstFormatCL = 12,
+  	IRISCVII_InstFormatCS = 13,
+  	IRISCVII_InstFormatCA = 14,
+  	IRISCVII_InstFormatCB = 15,
+  	IRISCVII_InstFormatCJ = 16,
+  	IRISCVII_InstFormatOther = 17,
+
+  	IRISCVII_InstFormatMask = 31	
+};
+
+enum {
+	RISCVII_MO_None,
+	RISCVII_MO_LO,
+	RISCVII_MO_HI,
+	RISCVII_MO_PCREL_HI,
+};
+
+// Describes the predecessor/successor bits used in the FENCE instruction.
+enum FenceField {
+  	RISCVFenceField_I = 8,
+  	RISCVFenceField_O = 4,
+ 	RISCVFenceField_R = 2,
+  	RISCVFenceField_W = 1
+};
+
+// Describes the supported floating point rounding mode encodings.
+enum RoundingMode {
+  	RISCVFPRndMode_RNE = 0,
+  	RISCVFPRndMode_RTZ = 1,
+  	RISCVFPRndMode_RDN = 2,
+  	RISCVFPRndMode_RUP = 3,
+  	RISCVFPRndMode_RMM = 4,
+  	RISCVFPRndMode_DYN = 7,
+  	RISCVFPRndMode_Invalid
+};
+
+inline static const char *roundingModeToString(enum RoundingMode RndMode) 
+{
+  	switch (RndMode) {
+  	default:
+    		CS_ASSERT(0 && "Unknown floating point rounding mode");
+  	case RISCVFPRndMode_RNE:
+    		return "rne";
+  	case RISCVFPRndMode_RTZ:
+    		return "rtz";
+  	case RISCVFPRndMode_RDN:
+    		return "rdn";
+  	case RISCVFPRndMode_RUP:
+    		return "rup";
+  	case RISCVFPRndMode_RMM:
+    		return "rmm";
+  	case RISCVFPRndMode_DYN:
+    		return "dyn";
+  	}
+}
+
+inline static bool RISCVFPRndMode_isValidRoundingMode(unsigned Mode) 
+{
+  	switch (Mode) {
+  	default:
+    		return false;
+  	case RISCVFPRndMode_RNE:
+  	case RISCVFPRndMode_RTZ:
+  	case RISCVFPRndMode_RDN:
+  	case RISCVFPRndMode_RUP:
+  	case RISCVFPRndMode_RMM:
+  	case RISCVFPRndMode_DYN:
+    		return true;
+  	}
+}
+
+#endif