Delete old x86 validator.

src/trusted/validator/x86/decoder/generator/modeled_nacl_inst.c

-/*
- * Copyright (c) 2011 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#define NEEDSNACLINSTTYPESTRING
-
-#include "native_client/src/trusted/validator/x86/decoder/generator/modeled_nacl_inst.h"
-
-#include <string.h>
-
-void NaClSetOpcodeInModRm(uint8_t value, uint8_t *opcode_ext) {
-  *opcode_ext += value;
-}
-
-void NaClSetOpcodeInModRmRm(uint8_t value, uint8_t *opcode_ext) {
-  *opcode_ext += (value << 4);
-}
-
-void NaClSetOpcodePlusR(uint8_t value, uint8_t *opcode_ext) {
-  *opcode_ext += value;
-}
-
-/* Print the flag name if the flag is defined for the corresponding operand.
- * Used to print out set/use/zero extend information for partial instructions.
- */
-static void NaClPrintAddOperandFlag(struct Gio* f,
-                                    const NaClOp* op,
-                                    NaClOpFlag flag,
-                                    const char* flag_name) {
-  if (op->flags & NACL_OPFLAG(flag)) {
-    gprintf(f, "%s", flag_name);
-  }
-}
-
-void NaClModeledInstPrint(struct Gio* f, const NaClModeledInst* inst) {
-  int i;
-  int count = 2;
-  /* Add prefix bytes if defined by prefix. */
-  const char* prefix = OpcodePrefixBytes(inst->prefix);
-  int prefix_len = (int) strlen(prefix);
-  gprintf(f, "  %s", prefix);
-  if (prefix_len > 0) {
-    count += prefix_len + 1;
-    gprintf(f, " ");
-  }
-
-  /* Add opcode bytes. */
-  for (i = 0; i < inst->num_opcode_bytes; ++i) {
-    if (i > 0) {
-      gprintf(f, " ");
-      ++count;
-    }
-    gprintf(f,"%02x", inst->opcode[i]);
-    count += 2;
-  }
-  if (inst->flags & NACL_IFLAG(OpcodeInModRm)) {
-    gprintf(f, " / %d", NaClGetOpcodeInModRm(inst->opcode_ext));
-    count += 4;
-  } else if (inst->flags & NACL_IFLAG(OpcodePlusR)) {
-    gprintf(f, " - r%d", NaClGetOpcodePlusR(inst->opcode_ext));
-    count += 5;
-  }
-  if (inst->flags & NACL_IFLAG(OpcodeInModRmRm)) {
-    gprintf(f, " / %d", NaClGetOpcodeInModRmRm(inst->opcode_ext));
-    count += 4;
-  }
-  while (count < 30) {
-    gprintf(f, " ");
-    ++count;
-  }
-  { /* Print out instruction type less the NACLi_ prefix. */
-    const char* name = NaClInstTypeString(inst->insttype);
-    gprintf(f, "%s ", name + strlen("NACLi_"));
-  }
-  if (inst->flags) NaClIFlagsPrint(f, inst->flags);
-  gprintf(f, "\n");
-
-  /* If instruction type is invalid, and doesn't have
-   * special translation purposes, then don't print additional
-   * (ignored) information stored in the modeled instruction.
-   */
-  if ((NACLi_INVALID != inst->insttype) ||
-      ((inst->flags & NACL_IFLAG(Opcode0F0F)))) {
-    Bool is_first = TRUE;
-    int i;
-    gprintf(f, "    ");
-
-    /* Instruction has been simplified. Print out corresponding
-     * hints to the reader, so that they know that the instruction
-     * has been simplified.
-     */
-    if (NaClHasBit(inst->flags, NACL_IFLAG(PartialInstruction))) {
-      gprintf(f, "[P] ");
-    }
-    gprintf(f, "%s", NaClMnemonicName(inst->name));
-
-    /* If an instruction has been simplified, and it illegal, communicate
-     * that in the printed modeled instruction.
-     */
-    if (NaClHasBit(inst->flags, NACL_IFLAG(NaClIllegal)) &&
-        NaClHasBit(inst->flags, NACL_IFLAG(PartialInstruction))) {
-      gprintf(f, "(illegal)");
-    }
-    for (i = 0; i < inst->num_operands; ++i) {
-      if (NULL == inst->operands[i].format_string) continue;
-      if (is_first) {
-        is_first = FALSE;
-      } else {
-        gprintf(f, ",");
-      }
-      gprintf(f, " %s", inst->operands[i].format_string);
-
-      /* If this is a partial instruction, add set/use information
-       * so that that it is more clear what was matched.
-       */
-      if (NaClHasBit(inst->flags, NACL_IFLAG(PartialInstruction))) {
-        const NaClOp* op = inst->operands + i;
-        if (NaClHasBit(op->flags, (NACL_OPFLAG(OpSet) |
-                                   NACL_OPFLAG(OpUse) |
-                                   NACL_OPFLAG(OperandZeroExtends_v)))) {
-          gprintf(f, " (");
-          NaClPrintAddOperandFlag(f, op, OpSet, "s");
-          NaClPrintAddOperandFlag(f, op, OpUse, "u");
-          NaClPrintAddOperandFlag(f, op, OperandZeroExtends_v, "z");
-          gprintf(f, ")");
-        }
-      }
-    }
-    gprintf(f, "\n");
-    /* Now print actual encoding of each operand. */
-    for (i = 0; i < inst->num_operands; ++i) {
-      gprintf(f, "      ");
-      NaClOpPrint(f, inst->operands + i);
-    }
-  }
-}