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-rw-r--r--gnu/llvm/utils/TableGen/X86DisassemblerTables.cpp1136
1 files changed, 0 insertions, 1136 deletions
diff --git a/gnu/llvm/utils/TableGen/X86DisassemblerTables.cpp b/gnu/llvm/utils/TableGen/X86DisassemblerTables.cpp
deleted file mode 100644
index 2b5cc127960..00000000000
--- a/gnu/llvm/utils/TableGen/X86DisassemblerTables.cpp
+++ /dev/null
@@ -1,1136 +0,0 @@
-//===- X86DisassemblerTables.cpp - Disassembler tables ----------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is part of the X86 Disassembler Emitter.
-// It contains the implementation of the disassembler tables.
-// Documentation for the disassembler emitter in general can be found in
-// X86DisassemblerEmitter.h.
-//
-//===----------------------------------------------------------------------===//
-
-#include "X86DisassemblerTables.h"
-#include "X86DisassemblerShared.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/Format.h"
-#include <map>
-
-using namespace llvm;
-using namespace X86Disassembler;
-
-/// stringForContext - Returns a string containing the name of a particular
-/// InstructionContext, usually for diagnostic purposes.
-///
-/// @param insnContext - The instruction class to transform to a string.
-/// @return - A statically-allocated string constant that contains the
-/// name of the instruction class.
-static inline const char* stringForContext(InstructionContext insnContext) {
- switch (insnContext) {
- default:
- llvm_unreachable("Unhandled instruction class");
-#define ENUM_ENTRY(n, r, d) case n: return #n; break;
-#define ENUM_ENTRY_K_B(n, r, d) ENUM_ENTRY(n, r, d) ENUM_ENTRY(n##_K_B, r, d)\
- ENUM_ENTRY(n##_KZ, r, d) ENUM_ENTRY(n##_K, r, d) ENUM_ENTRY(n##_B, r, d)\
- ENUM_ENTRY(n##_KZ_B, r, d)
- INSTRUCTION_CONTEXTS
-#undef ENUM_ENTRY
-#undef ENUM_ENTRY_K_B
- }
-}
-
-/// stringForOperandType - Like stringForContext, but for OperandTypes.
-static inline const char* stringForOperandType(OperandType type) {
- switch (type) {
- default:
- llvm_unreachable("Unhandled type");
-#define ENUM_ENTRY(i, d) case i: return #i;
- TYPES
-#undef ENUM_ENTRY
- }
-}
-
-/// stringForOperandEncoding - like stringForContext, but for
-/// OperandEncodings.
-static inline const char* stringForOperandEncoding(OperandEncoding encoding) {
- switch (encoding) {
- default:
- llvm_unreachable("Unhandled encoding");
-#define ENUM_ENTRY(i, d) case i: return #i;
- ENCODINGS
-#undef ENUM_ENTRY
- }
-}
-
-/// inheritsFrom - Indicates whether all instructions in one class also belong
-/// to another class.
-///
-/// @param child - The class that may be the subset
-/// @param parent - The class that may be the superset
-/// @return - True if child is a subset of parent, false otherwise.
-static inline bool inheritsFrom(InstructionContext child,
- InstructionContext parent, bool noPrefix = true,
- bool VEX_LIG = false, bool VEX_WIG = false,
- bool AdSize64 = false) {
- if (child == parent)
- return true;
-
- switch (parent) {
- case IC:
- return(inheritsFrom(child, IC_64BIT, AdSize64) ||
- (noPrefix && inheritsFrom(child, IC_OPSIZE, noPrefix)) ||
- inheritsFrom(child, IC_ADSIZE) ||
- (noPrefix && inheritsFrom(child, IC_XD, noPrefix)) ||
- (noPrefix && inheritsFrom(child, IC_XS, noPrefix)));
- case IC_64BIT:
- return(inheritsFrom(child, IC_64BIT_REXW) ||
- (noPrefix && inheritsFrom(child, IC_64BIT_OPSIZE, noPrefix)) ||
- (!AdSize64 && inheritsFrom(child, IC_64BIT_ADSIZE)) ||
- (noPrefix && inheritsFrom(child, IC_64BIT_XD, noPrefix)) ||
- (noPrefix && inheritsFrom(child, IC_64BIT_XS, noPrefix)));
- case IC_OPSIZE:
- return inheritsFrom(child, IC_64BIT_OPSIZE) ||
- inheritsFrom(child, IC_OPSIZE_ADSIZE);
- case IC_ADSIZE:
- return (noPrefix && inheritsFrom(child, IC_OPSIZE_ADSIZE, noPrefix));
- case IC_OPSIZE_ADSIZE:
- return false;
- case IC_64BIT_ADSIZE:
- return (noPrefix && inheritsFrom(child, IC_64BIT_OPSIZE_ADSIZE, noPrefix));
- case IC_64BIT_OPSIZE_ADSIZE:
- return false;
- case IC_XD:
- return inheritsFrom(child, IC_64BIT_XD);
- case IC_XS:
- return inheritsFrom(child, IC_64BIT_XS);
- case IC_XD_OPSIZE:
- return inheritsFrom(child, IC_64BIT_XD_OPSIZE);
- case IC_XS_OPSIZE:
- return inheritsFrom(child, IC_64BIT_XS_OPSIZE);
- case IC_XD_ADSIZE:
- return inheritsFrom(child, IC_64BIT_XD_ADSIZE);
- case IC_XS_ADSIZE:
- return inheritsFrom(child, IC_64BIT_XS_ADSIZE);
- case IC_64BIT_REXW:
- return((noPrefix && inheritsFrom(child, IC_64BIT_REXW_XS, noPrefix)) ||
- (noPrefix && inheritsFrom(child, IC_64BIT_REXW_XD, noPrefix)) ||
- (noPrefix && inheritsFrom(child, IC_64BIT_REXW_OPSIZE, noPrefix)) ||
- (!AdSize64 && inheritsFrom(child, IC_64BIT_REXW_ADSIZE)));
- case IC_64BIT_OPSIZE:
- return inheritsFrom(child, IC_64BIT_REXW_OPSIZE) ||
- (!AdSize64 && inheritsFrom(child, IC_64BIT_OPSIZE_ADSIZE)) ||
- (!AdSize64 && inheritsFrom(child, IC_64BIT_REXW_ADSIZE));
- case IC_64BIT_XD:
- return(inheritsFrom(child, IC_64BIT_REXW_XD) ||
- (!AdSize64 && inheritsFrom(child, IC_64BIT_XD_ADSIZE)));
- case IC_64BIT_XS:
- return(inheritsFrom(child, IC_64BIT_REXW_XS) ||
- (!AdSize64 && inheritsFrom(child, IC_64BIT_XS_ADSIZE)));
- case IC_64BIT_XD_OPSIZE:
- case IC_64BIT_XS_OPSIZE:
- return false;
- case IC_64BIT_XD_ADSIZE:
- case IC_64BIT_XS_ADSIZE:
- return false;
- case IC_64BIT_REXW_XD:
- case IC_64BIT_REXW_XS:
- case IC_64BIT_REXW_OPSIZE:
- case IC_64BIT_REXW_ADSIZE:
- return false;
- case IC_VEX:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_VEX_L_W)) ||
- (VEX_WIG && inheritsFrom(child, IC_VEX_W)) ||
- (VEX_LIG && inheritsFrom(child, IC_VEX_L));
- case IC_VEX_XS:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_VEX_L_W_XS)) ||
- (VEX_WIG && inheritsFrom(child, IC_VEX_W_XS)) ||
- (VEX_LIG && inheritsFrom(child, IC_VEX_L_XS));
- case IC_VEX_XD:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_VEX_L_W_XD)) ||
- (VEX_WIG && inheritsFrom(child, IC_VEX_W_XD)) ||
- (VEX_LIG && inheritsFrom(child, IC_VEX_L_XD));
- case IC_VEX_OPSIZE:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_VEX_L_W_OPSIZE)) ||
- (VEX_WIG && inheritsFrom(child, IC_VEX_W_OPSIZE)) ||
- (VEX_LIG && inheritsFrom(child, IC_VEX_L_OPSIZE));
- case IC_VEX_W:
- return VEX_LIG && inheritsFrom(child, IC_VEX_L_W);
- case IC_VEX_W_XS:
- return VEX_LIG && inheritsFrom(child, IC_VEX_L_W_XS);
- case IC_VEX_W_XD:
- return VEX_LIG && inheritsFrom(child, IC_VEX_L_W_XD);
- case IC_VEX_W_OPSIZE:
- return VEX_LIG && inheritsFrom(child, IC_VEX_L_W_OPSIZE);
- case IC_VEX_L:
- return VEX_WIG && inheritsFrom(child, IC_VEX_L_W);
- case IC_VEX_L_XS:
- return VEX_WIG && inheritsFrom(child, IC_VEX_L_W_XS);
- case IC_VEX_L_XD:
- return VEX_WIG && inheritsFrom(child, IC_VEX_L_W_XD);
- case IC_VEX_L_OPSIZE:
- return VEX_WIG && inheritsFrom(child, IC_VEX_L_W_OPSIZE);
- case IC_VEX_L_W:
- case IC_VEX_L_W_XS:
- case IC_VEX_L_W_XD:
- case IC_VEX_L_W_OPSIZE:
- return false;
- case IC_EVEX:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2));
- case IC_EVEX_XS:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS));
- case IC_EVEX_XD:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD));
- case IC_EVEX_OPSIZE:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE));
- case IC_EVEX_K:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_K)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_K)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_K));
- case IC_EVEX_XS_K:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_K)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_K));
- case IC_EVEX_XD_K:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_K)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_K));
- case IC_EVEX_OPSIZE_K:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_K));
- case IC_EVEX_KZ:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_KZ)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_KZ)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_KZ));
- case IC_EVEX_XS_KZ:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_KZ));
- case IC_EVEX_XD_KZ:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_KZ));
- case IC_EVEX_OPSIZE_KZ:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_KZ));
- case IC_EVEX_W:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W));
- case IC_EVEX_W_XS:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS));
- case IC_EVEX_W_XD:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD));
- case IC_EVEX_W_OPSIZE:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE));
- case IC_EVEX_W_K:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_K));
- case IC_EVEX_W_XS_K:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K));
- case IC_EVEX_W_XD_K:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K));
- case IC_EVEX_W_OPSIZE_K:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K));
- case IC_EVEX_W_KZ:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_KZ));
- case IC_EVEX_W_XS_KZ:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ));
- case IC_EVEX_W_XD_KZ:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ));
- case IC_EVEX_W_OPSIZE_KZ:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ));
- case IC_EVEX_L:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W);
- case IC_EVEX_L_XS:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS);
- case IC_EVEX_L_XD:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD);
- case IC_EVEX_L_OPSIZE:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE);
- case IC_EVEX_L_K:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_K);
- case IC_EVEX_L_XS_K:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_K);
- case IC_EVEX_L_XD_K:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_K);
- case IC_EVEX_L_OPSIZE_K:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K);
- case IC_EVEX_L_KZ:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_KZ);
- case IC_EVEX_L_XS_KZ:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ);
- case IC_EVEX_L_XD_KZ:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ);
- case IC_EVEX_L_OPSIZE_KZ:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ);
- case IC_EVEX_L_W:
- case IC_EVEX_L_W_XS:
- case IC_EVEX_L_W_XD:
- case IC_EVEX_L_W_OPSIZE:
- return false;
- case IC_EVEX_L_W_K:
- case IC_EVEX_L_W_XS_K:
- case IC_EVEX_L_W_XD_K:
- case IC_EVEX_L_W_OPSIZE_K:
- return false;
- case IC_EVEX_L_W_KZ:
- case IC_EVEX_L_W_XS_KZ:
- case IC_EVEX_L_W_XD_KZ:
- case IC_EVEX_L_W_OPSIZE_KZ:
- return false;
- case IC_EVEX_L2:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W);
- case IC_EVEX_L2_XS:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS);
- case IC_EVEX_L2_XD:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD);
- case IC_EVEX_L2_OPSIZE:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE);
- case IC_EVEX_L2_K:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_K);
- case IC_EVEX_L2_XS_K:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K);
- case IC_EVEX_L2_XD_K:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K);
- case IC_EVEX_L2_OPSIZE_K:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K);
- case IC_EVEX_L2_KZ:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_KZ);
- case IC_EVEX_L2_XS_KZ:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ);
- case IC_EVEX_L2_XD_KZ:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ);
- case IC_EVEX_L2_OPSIZE_KZ:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ);
- case IC_EVEX_L2_W:
- case IC_EVEX_L2_W_XS:
- case IC_EVEX_L2_W_XD:
- case IC_EVEX_L2_W_OPSIZE:
- return false;
- case IC_EVEX_L2_W_K:
- case IC_EVEX_L2_W_XS_K:
- case IC_EVEX_L2_W_XD_K:
- case IC_EVEX_L2_W_OPSIZE_K:
- return false;
- case IC_EVEX_L2_W_KZ:
- case IC_EVEX_L2_W_XS_KZ:
- case IC_EVEX_L2_W_XD_KZ:
- case IC_EVEX_L2_W_OPSIZE_KZ:
- return false;
- case IC_EVEX_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_B));
- case IC_EVEX_XS_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_B));
- case IC_EVEX_XD_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_B));
- case IC_EVEX_OPSIZE_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_B));
- case IC_EVEX_K_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_K_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_K_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_K_B));
- case IC_EVEX_XS_K_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_K_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_K_B));
- case IC_EVEX_XD_K_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_K_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_K_B));
- case IC_EVEX_OPSIZE_K_B:
- return (VEX_LIG && VEX_WIG &&
- inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K_B)) ||
- (VEX_LIG && VEX_WIG &&
- inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_K_B));
- case IC_EVEX_KZ_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_KZ_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_KZ_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_KZ_B));
- case IC_EVEX_XS_KZ_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XS_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XS_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XS_KZ_B));
- case IC_EVEX_XD_KZ_B:
- return (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ_B)) ||
- (VEX_LIG && VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_XD_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_XD_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_XD_KZ_B));
- case IC_EVEX_OPSIZE_KZ_B:
- return (VEX_LIG && VEX_WIG &&
- inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ_B)) ||
- (VEX_LIG && VEX_WIG &&
- inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ_B)) ||
- (VEX_WIG && inheritsFrom(child, IC_EVEX_W_OPSIZE_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L_OPSIZE_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_OPSIZE_KZ_B));
- case IC_EVEX_W_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_B));
- case IC_EVEX_W_XS_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_B));
- case IC_EVEX_W_XD_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_B));
- case IC_EVEX_W_OPSIZE_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_B));
- case IC_EVEX_W_K_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_K_B));
- case IC_EVEX_W_XS_K_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K_B));
- case IC_EVEX_W_XD_K_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K_B));
- case IC_EVEX_W_OPSIZE_K_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K_B));
- case IC_EVEX_W_KZ_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_KZ_B));
- case IC_EVEX_W_XS_KZ_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ_B));
- case IC_EVEX_W_XD_KZ_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ_B));
- case IC_EVEX_W_OPSIZE_KZ_B:
- return (VEX_LIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ_B)) ||
- (VEX_LIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ_B));
- case IC_EVEX_L_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_B);
- case IC_EVEX_L_XS_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_B);
- case IC_EVEX_L_XD_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_B);
- case IC_EVEX_L_OPSIZE_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_B);
- case IC_EVEX_L_K_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_K_B);
- case IC_EVEX_L_XS_K_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_K_B);
- case IC_EVEX_L_XD_K_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_K_B);
- case IC_EVEX_L_OPSIZE_K_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_K_B);
- case IC_EVEX_L_KZ_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_KZ_B);
- case IC_EVEX_L_XS_KZ_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XS_KZ_B);
- case IC_EVEX_L_XD_KZ_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_XD_KZ_B);
- case IC_EVEX_L_OPSIZE_KZ_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L_W_OPSIZE_KZ_B);
- case IC_EVEX_L_W_B:
- case IC_EVEX_L_W_XS_B:
- case IC_EVEX_L_W_XD_B:
- case IC_EVEX_L_W_OPSIZE_B:
- return false;
- case IC_EVEX_L_W_K_B:
- case IC_EVEX_L_W_XS_K_B:
- case IC_EVEX_L_W_XD_K_B:
- case IC_EVEX_L_W_OPSIZE_K_B:
- return false;
- case IC_EVEX_L_W_KZ_B:
- case IC_EVEX_L_W_XS_KZ_B:
- case IC_EVEX_L_W_XD_KZ_B:
- case IC_EVEX_L_W_OPSIZE_KZ_B:
- return false;
- case IC_EVEX_L2_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_B);
- case IC_EVEX_L2_XS_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_B);
- case IC_EVEX_L2_XD_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_B);
- case IC_EVEX_L2_OPSIZE_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_B);
- case IC_EVEX_L2_K_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_K_B);
- case IC_EVEX_L2_XS_K_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_K_B);
- case IC_EVEX_L2_XD_K_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_K_B);
- case IC_EVEX_L2_OPSIZE_K_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_K_B);
- case IC_EVEX_L2_KZ_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_KZ_B);
- case IC_EVEX_L2_XS_KZ_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XS_KZ_B);
- case IC_EVEX_L2_XD_KZ_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_XD_KZ_B);
- case IC_EVEX_L2_OPSIZE_KZ_B:
- return VEX_WIG && inheritsFrom(child, IC_EVEX_L2_W_OPSIZE_KZ_B);
- case IC_EVEX_L2_W_B:
- case IC_EVEX_L2_W_XS_B:
- case IC_EVEX_L2_W_XD_B:
- case IC_EVEX_L2_W_OPSIZE_B:
- return false;
- case IC_EVEX_L2_W_K_B:
- case IC_EVEX_L2_W_XS_K_B:
- case IC_EVEX_L2_W_XD_K_B:
- case IC_EVEX_L2_W_OPSIZE_K_B:
- return false;
- case IC_EVEX_L2_W_KZ_B:
- case IC_EVEX_L2_W_XS_KZ_B:
- case IC_EVEX_L2_W_XD_KZ_B:
- case IC_EVEX_L2_W_OPSIZE_KZ_B:
- return false;
- default:
- errs() << "Unknown instruction class: " <<
- stringForContext((InstructionContext)parent) << "\n";
- llvm_unreachable("Unknown instruction class");
- }
-}
-
-/// outranks - Indicates whether, if an instruction has two different applicable
-/// classes, which class should be preferred when performing decode. This
-/// imposes a total ordering (ties are resolved toward "lower")
-///
-/// @param upper - The class that may be preferable
-/// @param lower - The class that may be less preferable
-/// @return - True if upper is to be preferred, false otherwise.
-static inline bool outranks(InstructionContext upper,
- InstructionContext lower) {
- assert(upper < IC_max);
- assert(lower < IC_max);
-
-#define ENUM_ENTRY(n, r, d) r,
-#define ENUM_ENTRY_K_B(n, r, d) ENUM_ENTRY(n, r, d) \
- ENUM_ENTRY(n##_K_B, r, d) ENUM_ENTRY(n##_KZ_B, r, d) \
- ENUM_ENTRY(n##_KZ, r, d) ENUM_ENTRY(n##_K, r, d) ENUM_ENTRY(n##_B, r, d)
- static int ranks[IC_max] = {
- INSTRUCTION_CONTEXTS
- };
-#undef ENUM_ENTRY
-#undef ENUM_ENTRY_K_B
-
- return (ranks[upper] > ranks[lower]);
-}
-
-/// getDecisionType - Determines whether a ModRM decision with 255 entries can
-/// be compacted by eliminating redundant information.
-///
-/// @param decision - The decision to be compacted.
-/// @return - The compactest available representation for the decision.
-static ModRMDecisionType getDecisionType(ModRMDecision &decision) {
- bool satisfiesOneEntry = true;
- bool satisfiesSplitRM = true;
- bool satisfiesSplitReg = true;
- bool satisfiesSplitMisc = true;
-
- for (unsigned index = 0; index < 256; ++index) {
- if (decision.instructionIDs[index] != decision.instructionIDs[0])
- satisfiesOneEntry = false;
-
- if (((index & 0xc0) == 0xc0) &&
- (decision.instructionIDs[index] != decision.instructionIDs[0xc0]))
- satisfiesSplitRM = false;
-
- if (((index & 0xc0) != 0xc0) &&
- (decision.instructionIDs[index] != decision.instructionIDs[0x00]))
- satisfiesSplitRM = false;
-
- if (((index & 0xc0) == 0xc0) &&
- (decision.instructionIDs[index] != decision.instructionIDs[index&0xf8]))
- satisfiesSplitReg = false;
-
- if (((index & 0xc0) != 0xc0) &&
- (decision.instructionIDs[index] != decision.instructionIDs[index&0x38]))
- satisfiesSplitMisc = false;
- }
-
- if (satisfiesOneEntry)
- return MODRM_ONEENTRY;
-
- if (satisfiesSplitRM)
- return MODRM_SPLITRM;
-
- if (satisfiesSplitReg && satisfiesSplitMisc)
- return MODRM_SPLITREG;
-
- if (satisfiesSplitMisc)
- return MODRM_SPLITMISC;
-
- return MODRM_FULL;
-}
-
-/// stringForDecisionType - Returns a statically-allocated string corresponding
-/// to a particular decision type.
-///
-/// @param dt - The decision type.
-/// @return - A pointer to the statically-allocated string (e.g.,
-/// "MODRM_ONEENTRY" for MODRM_ONEENTRY).
-static const char* stringForDecisionType(ModRMDecisionType dt) {
-#define ENUM_ENTRY(n) case n: return #n;
- switch (dt) {
- default:
- llvm_unreachable("Unknown decision type");
- MODRMTYPES
- };
-#undef ENUM_ENTRY
-}
-
-DisassemblerTables::DisassemblerTables() {
- for (unsigned i = 0; i < array_lengthof(Tables); i++)
- Tables[i] = llvm::make_unique<ContextDecision>();
-
- HasConflicts = false;
-}
-
-DisassemblerTables::~DisassemblerTables() {
-}
-
-void DisassemblerTables::emitModRMDecision(raw_ostream &o1, raw_ostream &o2,
- unsigned &i1, unsigned &i2,
- unsigned &ModRMTableNum,
- ModRMDecision &decision) const {
- static uint32_t sTableNumber = 0;
- static uint32_t sEntryNumber = 1;
- ModRMDecisionType dt = getDecisionType(decision);
-
- if (dt == MODRM_ONEENTRY && decision.instructionIDs[0] == 0)
- {
- o2.indent(i2) << "{ /* ModRMDecision */" << "\n";
- i2++;
-
- o2.indent(i2) << stringForDecisionType(dt) << "," << "\n";
- o2.indent(i2) << 0 << " /* EmptyTable */\n";
-
- i2--;
- o2.indent(i2) << "}";
- return;
- }
-
- std::vector<unsigned> ModRMDecision;
-
- switch (dt) {
- default:
- llvm_unreachable("Unknown decision type");
- case MODRM_ONEENTRY:
- ModRMDecision.push_back(decision.instructionIDs[0]);
- break;
- case MODRM_SPLITRM:
- ModRMDecision.push_back(decision.instructionIDs[0x00]);
- ModRMDecision.push_back(decision.instructionIDs[0xc0]);
- break;
- case MODRM_SPLITREG:
- for (unsigned index = 0; index < 64; index += 8)
- ModRMDecision.push_back(decision.instructionIDs[index]);
- for (unsigned index = 0xc0; index < 256; index += 8)
- ModRMDecision.push_back(decision.instructionIDs[index]);
- break;
- case MODRM_SPLITMISC:
- for (unsigned index = 0; index < 64; index += 8)
- ModRMDecision.push_back(decision.instructionIDs[index]);
- for (unsigned index = 0xc0; index < 256; ++index)
- ModRMDecision.push_back(decision.instructionIDs[index]);
- break;
- case MODRM_FULL:
- for (unsigned index = 0; index < 256; ++index)
- ModRMDecision.push_back(decision.instructionIDs[index]);
- break;
- }
-
- unsigned &EntryNumber = ModRMTable[ModRMDecision];
- if (EntryNumber == 0) {
- EntryNumber = ModRMTableNum;
-
- ModRMTableNum += ModRMDecision.size();
- o1 << "/* Table" << EntryNumber << " */\n";
- i1++;
- for (std::vector<unsigned>::const_iterator I = ModRMDecision.begin(),
- E = ModRMDecision.end(); I != E; ++I) {
- o1.indent(i1 * 2) << format("0x%hx", *I) << ", /* "
- << InstructionSpecifiers[*I].name << " */\n";
- }
- i1--;
- }
-
- o2.indent(i2) << "{ /* struct ModRMDecision */" << "\n";
- i2++;
-
- o2.indent(i2) << stringForDecisionType(dt) << "," << "\n";
- o2.indent(i2) << EntryNumber << " /* Table" << EntryNumber << " */\n";
-
- i2--;
- o2.indent(i2) << "}";
-
- switch (dt) {
- default:
- llvm_unreachable("Unknown decision type");
- case MODRM_ONEENTRY:
- sEntryNumber += 1;
- break;
- case MODRM_SPLITRM:
- sEntryNumber += 2;
- break;
- case MODRM_SPLITREG:
- sEntryNumber += 16;
- break;
- case MODRM_SPLITMISC:
- sEntryNumber += 8 + 64;
- break;
- case MODRM_FULL:
- sEntryNumber += 256;
- break;
- }
-
- // We assume that the index can fit into uint16_t.
- assert(sEntryNumber < 65536U &&
- "Index into ModRMDecision is too large for uint16_t!");
-
- ++sTableNumber;
-}
-
-void DisassemblerTables::emitOpcodeDecision(raw_ostream &o1, raw_ostream &o2,
- unsigned &i1, unsigned &i2,
- unsigned &ModRMTableNum,
- OpcodeDecision &decision) const {
- o2.indent(i2) << "{ /* struct OpcodeDecision */" << "\n";
- i2++;
- o2.indent(i2) << "{" << "\n";
- i2++;
-
- for (unsigned index = 0; index < 256; ++index) {
- o2.indent(i2);
-
- o2 << "/* 0x" << format("%02hhx", index) << " */" << "\n";
-
- emitModRMDecision(o1, o2, i1, i2, ModRMTableNum,
- decision.modRMDecisions[index]);
-
- if (index < 255)
- o2 << ",";
-
- o2 << "\n";
- }
-
- i2--;
- o2.indent(i2) << "}" << "\n";
- i2--;
- o2.indent(i2) << "}" << "\n";
-}
-
-void DisassemblerTables::emitContextDecision(raw_ostream &o1, raw_ostream &o2,
- unsigned &i1, unsigned &i2,
- unsigned &ModRMTableNum,
- ContextDecision &decision,
- const char* name) const {
- o2.indent(i2) << "static const struct ContextDecision " << name << " = {\n";
- i2++;
- o2.indent(i2) << "{ /* opcodeDecisions */" << "\n";
- i2++;
-
- for (unsigned index = 0; index < IC_max; ++index) {
- o2.indent(i2) << "/* ";
- o2 << stringForContext((InstructionContext)index);
- o2 << " */";
- o2 << "\n";
-
- emitOpcodeDecision(o1, o2, i1, i2, ModRMTableNum,
- decision.opcodeDecisions[index]);
-
- if (index + 1 < IC_max)
- o2 << ", ";
- }
-
- i2--;
- o2.indent(i2) << "}" << "\n";
- i2--;
- o2.indent(i2) << "};" << "\n";
-}
-
-void DisassemblerTables::emitInstructionInfo(raw_ostream &o,
- unsigned &i) const {
- unsigned NumInstructions = InstructionSpecifiers.size();
-
- o << "static const struct OperandSpecifier x86OperandSets[]["
- << X86_MAX_OPERANDS << "] = {\n";
-
- typedef SmallVector<std::pair<OperandEncoding, OperandType>,
- X86_MAX_OPERANDS> OperandListTy;
- std::map<OperandListTy, unsigned> OperandSets;
-
- unsigned OperandSetNum = 0;
- for (unsigned Index = 0; Index < NumInstructions; ++Index) {
- OperandListTy OperandList;
-
- for (unsigned OperandIndex = 0; OperandIndex < X86_MAX_OPERANDS;
- ++OperandIndex) {
- OperandEncoding Encoding = (OperandEncoding)InstructionSpecifiers[Index]
- .operands[OperandIndex].encoding;
- OperandType Type = (OperandType)InstructionSpecifiers[Index]
- .operands[OperandIndex].type;
- OperandList.push_back(std::make_pair(Encoding, Type));
- }
- unsigned &N = OperandSets[OperandList];
- if (N != 0) continue;
-
- N = ++OperandSetNum;
-
- o << " { /* " << (OperandSetNum - 1) << " */\n";
- for (unsigned i = 0, e = OperandList.size(); i != e; ++i) {
- const char *Encoding = stringForOperandEncoding(OperandList[i].first);
- const char *Type = stringForOperandType(OperandList[i].second);
- o << " { " << Encoding << ", " << Type << " },\n";
- }
- o << " },\n";
- }
- o << "};" << "\n\n";
-
- o.indent(i * 2) << "static const struct InstructionSpecifier ";
- o << INSTRUCTIONS_STR "[" << InstructionSpecifiers.size() << "] = {\n";
-
- i++;
-
- for (unsigned index = 0; index < NumInstructions; ++index) {
- o.indent(i * 2) << "{ /* " << index << " */\n";
- i++;
-
- OperandListTy OperandList;
- for (unsigned OperandIndex = 0; OperandIndex < X86_MAX_OPERANDS;
- ++OperandIndex) {
- OperandEncoding Encoding = (OperandEncoding)InstructionSpecifiers[index]
- .operands[OperandIndex].encoding;
- OperandType Type = (OperandType)InstructionSpecifiers[index]
- .operands[OperandIndex].type;
- OperandList.push_back(std::make_pair(Encoding, Type));
- }
- o.indent(i * 2) << (OperandSets[OperandList] - 1) << ",\n";
-
- o.indent(i * 2) << "/* " << InstructionSpecifiers[index].name << " */\n";
-
- i--;
- o.indent(i * 2) << "},\n";
- }
-
- i--;
- o.indent(i * 2) << "};" << "\n";
-}
-
-void DisassemblerTables::emitContextTable(raw_ostream &o, unsigned &i) const {
- const unsigned int tableSize = 16384;
- o.indent(i * 2) << "static const uint8_t " CONTEXTS_STR
- "[" << tableSize << "] = {\n";
- i++;
-
- for (unsigned index = 0; index < tableSize; ++index) {
- o.indent(i * 2);
-
- if (index & ATTR_EVEX) {
- o << "IC_EVEX";
- if (index & ATTR_EVEXL2)
- o << "_L2";
- else if (index & ATTR_EVEXL)
- o << "_L";
- if (index & ATTR_REXW)
- o << "_W";
- if (index & ATTR_OPSIZE)
- o << "_OPSIZE";
- else if (index & ATTR_XD)
- o << "_XD";
- else if (index & ATTR_XS)
- o << "_XS";
- if (index & ATTR_EVEXKZ)
- o << "_KZ";
- else if (index & ATTR_EVEXK)
- o << "_K";
- if (index & ATTR_EVEXB)
- o << "_B";
- }
- else if ((index & ATTR_VEXL) && (index & ATTR_REXW) && (index & ATTR_OPSIZE))
- o << "IC_VEX_L_W_OPSIZE";
- else if ((index & ATTR_VEXL) && (index & ATTR_REXW) && (index & ATTR_XD))
- o << "IC_VEX_L_W_XD";
- else if ((index & ATTR_VEXL) && (index & ATTR_REXW) && (index & ATTR_XS))
- o << "IC_VEX_L_W_XS";
- else if ((index & ATTR_VEXL) && (index & ATTR_REXW))
- o << "IC_VEX_L_W";
- else if ((index & ATTR_VEXL) && (index & ATTR_OPSIZE))
- o << "IC_VEX_L_OPSIZE";
- else if ((index & ATTR_VEXL) && (index & ATTR_XD))
- o << "IC_VEX_L_XD";
- else if ((index & ATTR_VEXL) && (index & ATTR_XS))
- o << "IC_VEX_L_XS";
- else if ((index & ATTR_VEX) && (index & ATTR_REXW) && (index & ATTR_OPSIZE))
- o << "IC_VEX_W_OPSIZE";
- else if ((index & ATTR_VEX) && (index & ATTR_REXW) && (index & ATTR_XD))
- o << "IC_VEX_W_XD";
- else if ((index & ATTR_VEX) && (index & ATTR_REXW) && (index & ATTR_XS))
- o << "IC_VEX_W_XS";
- else if (index & ATTR_VEXL)
- o << "IC_VEX_L";
- else if ((index & ATTR_VEX) && (index & ATTR_REXW))
- o << "IC_VEX_W";
- else if ((index & ATTR_VEX) && (index & ATTR_OPSIZE))
- o << "IC_VEX_OPSIZE";
- else if ((index & ATTR_VEX) && (index & ATTR_XD))
- o << "IC_VEX_XD";
- else if ((index & ATTR_VEX) && (index & ATTR_XS))
- o << "IC_VEX_XS";
- else if (index & ATTR_VEX)
- o << "IC_VEX";
- else if ((index & ATTR_64BIT) && (index & ATTR_REXW) && (index & ATTR_XS))
- o << "IC_64BIT_REXW_XS";
- else if ((index & ATTR_64BIT) && (index & ATTR_REXW) && (index & ATTR_XD))
- o << "IC_64BIT_REXW_XD";
- else if ((index & ATTR_64BIT) && (index & ATTR_REXW) &&
- (index & ATTR_OPSIZE))
- o << "IC_64BIT_REXW_OPSIZE";
- else if ((index & ATTR_64BIT) && (index & ATTR_REXW) &&
- (index & ATTR_ADSIZE))
- o << "IC_64BIT_REXW_ADSIZE";
- else if ((index & ATTR_64BIT) && (index & ATTR_XD) && (index & ATTR_OPSIZE))
- o << "IC_64BIT_XD_OPSIZE";
- else if ((index & ATTR_64BIT) && (index & ATTR_XD) && (index & ATTR_ADSIZE))
- o << "IC_64BIT_XD_ADSIZE";
- else if ((index & ATTR_64BIT) && (index & ATTR_XS) && (index & ATTR_OPSIZE))
- o << "IC_64BIT_XS_OPSIZE";
- else if ((index & ATTR_64BIT) && (index & ATTR_XS) && (index & ATTR_ADSIZE))
- o << "IC_64BIT_XS_ADSIZE";
- else if ((index & ATTR_64BIT) && (index & ATTR_XS))
- o << "IC_64BIT_XS";
- else if ((index & ATTR_64BIT) && (index & ATTR_XD))
- o << "IC_64BIT_XD";
- else if ((index & ATTR_64BIT) && (index & ATTR_OPSIZE) &&
- (index & ATTR_ADSIZE))
- o << "IC_64BIT_OPSIZE_ADSIZE";
- else if ((index & ATTR_64BIT) && (index & ATTR_OPSIZE))
- o << "IC_64BIT_OPSIZE";
- else if ((index & ATTR_64BIT) && (index & ATTR_ADSIZE))
- o << "IC_64BIT_ADSIZE";
- else if ((index & ATTR_64BIT) && (index & ATTR_REXW))
- o << "IC_64BIT_REXW";
- else if ((index & ATTR_64BIT))
- o << "IC_64BIT";
- else if ((index & ATTR_XS) && (index & ATTR_OPSIZE))
- o << "IC_XS_OPSIZE";
- else if ((index & ATTR_XD) && (index & ATTR_OPSIZE))
- o << "IC_XD_OPSIZE";
- else if ((index & ATTR_XS) && (index & ATTR_ADSIZE))
- o << "IC_XS_ADSIZE";
- else if ((index & ATTR_XD) && (index & ATTR_ADSIZE))
- o << "IC_XD_ADSIZE";
- else if (index & ATTR_XS)
- o << "IC_XS";
- else if (index & ATTR_XD)
- o << "IC_XD";
- else if ((index & ATTR_OPSIZE) && (index & ATTR_ADSIZE))
- o << "IC_OPSIZE_ADSIZE";
- else if (index & ATTR_OPSIZE)
- o << "IC_OPSIZE";
- else if (index & ATTR_ADSIZE)
- o << "IC_ADSIZE";
- else
- o << "IC";
-
- if (index < tableSize - 1)
- o << ",";
- else
- o << " ";
-
- o << " /* " << index << " */";
-
- o << "\n";
- }
-
- i--;
- o.indent(i * 2) << "};" << "\n";
-}
-
-void DisassemblerTables::emitContextDecisions(raw_ostream &o1, raw_ostream &o2,
- unsigned &i1, unsigned &i2,
- unsigned &ModRMTableNum) const {
- emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[0], ONEBYTE_STR);
- emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[1], TWOBYTE_STR);
- emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[2], THREEBYTE38_STR);
- emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[3], THREEBYTE3A_STR);
- emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[4], XOP8_MAP_STR);
- emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[5], XOP9_MAP_STR);
- emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[6], XOPA_MAP_STR);
- emitContextDecision(o1, o2, i1, i2, ModRMTableNum, *Tables[7], THREEDNOW_MAP_STR);
-}
-
-void DisassemblerTables::emit(raw_ostream &o) const {
- unsigned i1 = 0;
- unsigned i2 = 0;
-
- std::string s1;
- std::string s2;
-
- raw_string_ostream o1(s1);
- raw_string_ostream o2(s2);
-
- emitInstructionInfo(o, i2);
- o << "\n";
-
- emitContextTable(o, i2);
- o << "\n";
-
- unsigned ModRMTableNum = 0;
-
- o << "static const InstrUID modRMTable[] = {\n";
- i1++;
- std::vector<unsigned> EmptyTable(1, 0);
- ModRMTable[EmptyTable] = ModRMTableNum;
- ModRMTableNum += EmptyTable.size();
- o1 << "/* EmptyTable */\n";
- o1.indent(i1 * 2) << "0x0,\n";
- i1--;
- emitContextDecisions(o1, o2, i1, i2, ModRMTableNum);
-
- o << o1.str();
- o << " 0x0\n";
- o << "};\n";
- o << "\n";
- o << o2.str();
- o << "\n";
- o << "\n";
-}
-
-void DisassemblerTables::setTableFields(ModRMDecision &decision,
- const ModRMFilter &filter,
- InstrUID uid,
- uint8_t opcode) {
- for (unsigned index = 0; index < 256; ++index) {
- if (filter.accepts(index)) {
- if (decision.instructionIDs[index] == uid)
- continue;
-
- if (decision.instructionIDs[index] != 0) {
- InstructionSpecifier &newInfo =
- InstructionSpecifiers[uid];
- InstructionSpecifier &previousInfo =
- InstructionSpecifiers[decision.instructionIDs[index]];
-
- if(previousInfo.name == "NOOP" && (newInfo.name == "XCHG16ar" ||
- newInfo.name == "XCHG32ar" ||
- newInfo.name == "XCHG64ar"))
- continue; // special case for XCHG*ar and NOOP
-
- if (outranks(previousInfo.insnContext, newInfo.insnContext))
- continue;
-
- if (previousInfo.insnContext == newInfo.insnContext) {
- errs() << "Error: Primary decode conflict: ";
- errs() << newInfo.name << " would overwrite " << previousInfo.name;
- errs() << "\n";
- errs() << "ModRM " << index << "\n";
- errs() << "Opcode " << (uint16_t)opcode << "\n";
- errs() << "Context " << stringForContext(newInfo.insnContext) << "\n";
- HasConflicts = true;
- }
- }
-
- decision.instructionIDs[index] = uid;
- }
- }
-}
-
-void DisassemblerTables::setTableFields(OpcodeType type,
- InstructionContext insnContext,
- uint8_t opcode,
- const ModRMFilter &filter,
- InstrUID uid,
- bool is32bit,
- bool noPrefix,
- bool ignoresVEX_L,
- bool ignoresVEX_W,
- unsigned addressSize) {
- ContextDecision &decision = *Tables[type];
-
- for (unsigned index = 0; index < IC_max; ++index) {
- if ((is32bit || addressSize == 16) &&
- inheritsFrom((InstructionContext)index, IC_64BIT))
- continue;
-
- bool adSize64 = addressSize == 64;
- if (inheritsFrom((InstructionContext)index,
- InstructionSpecifiers[uid].insnContext, noPrefix,
- ignoresVEX_L, ignoresVEX_W, adSize64))
- setTableFields(decision.opcodeDecisions[index].modRMDecisions[opcode],
- filter,
- uid,
- opcode);
- }
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.