Delete old x86 validator.

src/trusted/validator/x86/ncval_reg_sfi/nc_opcode_histogram.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.
- */
-
-/*
- * nc_opcode_histogram.c - Collects histogram information while validating.
- */
-
-#include <stdio.h>
-
-#include "native_client/src/trusted/validator/x86/ncval_reg_sfi/nc_opcode_histogram.h"
-
-#include "native_client/src/include/portability_io.h"
-#include "native_client/src/shared/platform/nacl_log.h"
-#include "native_client/src/trusted/validator/x86/decoder/nc_inst_iter.h"
-#include "native_client/src/trusted/validator/x86/decoder/nc_inst_state.h"
-#include "native_client/src/trusted/validator/x86/decoder/nc_inst_state_internal.h"
-#include "native_client/src/trusted/validator/x86/ncval_reg_sfi/ncvalidate_iter.h"
-#include "native_client/src/trusted/validator/x86/ncval_reg_sfi/ncvalidate_iter_internal.h"
-
-Bool NACL_FLAGS_opcode_histogram = FALSE;
-
-void NaClOpcodeHistogramInitialize(NaClValidatorState* state) {
-  int i;
-  if (!state->print_opcode_histogram) return;
-  for (i = 0; i < 256; ++i) {
-    state->opcode_histogram.opcode_histogram[i] = 0;
-  }
-}
-
-void NaClOpcodeHistogramRecord(NaClValidatorState* state) {
-  NaClInstState* inst_state = state->cur_inst_state;
-  const NaClInst* inst = state->cur_inst;
-  if ((inst->name != InstInvalid) &&
-      (inst_state->num_opcode_bytes > 0)) {
-    state->opcode_histogram.opcode_histogram[
-        inst_state->bytes.byte[inst_state->num_prefix_bytes]]++;
-  }
-}
-
-#define LINE_SIZE 1024
-
-void NaClOpcodeHistogramPrintStats(NaClValidatorState* state) {
-  int i;
-  char line[LINE_SIZE];
-  int line_size = LINE_SIZE;
-  int printed_in_this_row = 0;
-  NaClValidatorMessage(LOG_INFO, state, "Opcode Histogram:\n");
-  for (i = 0; i < 256; ++i) {
-    if (0 != state->opcode_histogram.opcode_histogram[i]) {
-      if (line_size < LINE_SIZE) {
-        line_size -= SNPRINTF(line, line_size, "%"NACL_PRId32"\t0x%02x\t",
-                              state->opcode_histogram.opcode_histogram[i], i);
-      }
-      ++printed_in_this_row;
-      if (printed_in_this_row > 3) {
-        printed_in_this_row = 0;
-        NaClValidatorMessage(LOG_INFO, state, "%s\n", line);
-        line_size = LINE_SIZE;
-      }
-    }
-  }
-  if (0 != printed_in_this_row) {
-    NaClValidatorMessage(LOG_INFO, state, "%s\n", line);
-  }
-}