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Unified Diff: src/trusted/validator/x86/testing/enuminsts/text2hex.c

Issue 625923004: Delete old x86 validator. (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client
Patch Set: rebase master Created 6 years, 2 months ago
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Index: src/trusted/validator/x86/testing/enuminsts/text2hex.c
diff --git a/src/trusted/validator/x86/testing/enuminsts/text2hex.c b/src/trusted/validator/x86/testing/enuminsts/text2hex.c
deleted file mode 100644
index ec7790aa4f4d5c5b06bb0d8187ff192369322ed0..0000000000000000000000000000000000000000
--- a/src/trusted/validator/x86/testing/enuminsts/text2hex.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * Copyright (c) 2012 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.
- */
-
-/*
- * Hexidecimal text to bytes conversion tools.
- */
-#ifndef NACL_TRUSTED_BUT_NOT_TCB
-#error("This file is not meant for use in the TCB.")
-#endif
-
-#include "native_client/src/trusted/validator/x86/testing/enuminsts/text2hex.h"
-
-#include <stdio.h>
-
-#include "native_client/src/include/portability_io.h"
-
-#define kBufferSize 1024
-
-/* Returns the integer corresponding to a hex value in ASCII. This would
- * be faster as an array lookup, however since it's only used for command
- * line input it doesn't matter.
- */
-static unsigned int A2INibble(const char nibble) {
- switch (nibble) {
- case '0': return 0;
- case '1': return 1;
- case '2': return 2;
- case '3': return 3;
- case '4': return 4;
- case '5': return 5;
- case '6': return 6;
- case '7': return 7;
- case '8': return 8;
- case '9': return 9;
- case 'a':
- case 'A': return 0xA;
- case 'b':
- case 'B': return 0xB;
- case 'c':
- case 'C': return 0xC;
- case 'd':
- case 'D': return 0xD;
- case 'e':
- case 'E': return 0xE;
- case 'f':
- case 'F': return 0xF;
- default: break;
- }
- fprintf(stderr, "bad hex value %c", nibble);
- exit(1);
-}
-
-/* Convert a two-character string representing an byte value in hex
- * into the corresponding byte value.
- */
-static unsigned int A2IByte(const char nibble1, const char nibble2) {
- return A2INibble(nibble2) + A2INibble(nibble1) * 0x10;
-}
-
-/* Generates a buffer containing the context message to print.
- * Arguments are:
- * context - String describing the context (i.e. filename or
- * command line argument description).
- * line - The line number associated with the context (if negative,
- * it assumes that the line number shouldn't be reported).
- */
-static const char* TextContext(const char* context,
- const int line) {
- if (line < 0) {
- return context;
- } else {
- static char buffer[kBufferSize];
- SNPRINTF(buffer, kBufferSize, "%s line %d", context, line);
- return buffer;
- }
-}
-
-/* Installs byte into the byte buffer. Returns the new value for num_bytes.
- * Arguments are:
- * ibytes - The found sequence of opcode bytes.
- * num_bytes - The number of bytes currently in ibytes.
- * mini_buf - The buffer containing the two hexidecimal characters to convert.
- * context - String describing the context (i.e. filename or
- * command line argument description).
- * line - The line number associated with the context (if negative,
- * it assumes that the line number shouldn't be reported).
- */
-static int InstallTextByte(InstByteArray ibytes,
- int num_bytes,
- const char mini_buf[2],
- const char* itext,
- const char* context,
- const int line) {
- if (num_bytes == NACL_ENUM_MAX_INSTRUCTION_BYTES) {
- char buffer[kBufferSize];
- SNPRINTF(buffer, kBufferSize,
- "%s: opcode sequence too long in '%s'",
- TextContext(context, line), itext);
- ReportFatalError(buffer);
- }
- ibytes[num_bytes] = A2IByte(mini_buf[0], mini_buf[1]);
- return num_bytes + 1;
-}
-
-/* Reads a line of text defining the sequence of bytes that defines
- * an instruction, and converts that to the corresponding sequence of
- * opcode bytes. Returns the number of bytes found. Arguments are:
- * ibytes - The found sequence of opcode bytes.
- * itext - The sequence of bytes to convert.
- * context - String describing the context (i.e. filename or
- * command line argument description).
- * line - The line number associated with the context (if negative,
- * it assumes that the line number shouldn't be reported).
- */
-int Text2Bytes(InstByteArray ibytes,
- const char* itext,
- const char* context,
- const int line) {
- char mini_buf[2];
- size_t mini_buf_index;
- char *next;
- char ch;
- int num_bytes = 0;
- Bool continue_translation = TRUE;
-
- /* Now process text of itext. */
- next = (char*) &itext[0];
- mini_buf_index = 0;
- while (continue_translation && (ch = *(next++))) {
- switch (ch) {
- case '#':
- /* Comment, skip reading any more characters. */
- continue_translation = FALSE;
- break;
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- case 'a':
- case 'b':
- case 'c':
- case 'd':
- case 'e':
- case 'f':
- case 'A':
- case 'B':
- case 'C':
- case 'D':
- case 'E':
- case 'F':
- /* Hexidecimal character. Add to mini buffer, and install
- * if two bytes.
- */
- mini_buf[mini_buf_index++] = ch;
- if (2 == mini_buf_index) {
- num_bytes = InstallTextByte(ibytes, num_bytes, mini_buf, itext,
- context, line);
- mini_buf_index = 0;
- }
- break;
- case ' ':
- case '\t':
- case '\n':
- /* Space - assume it is a separator between bytes. */
- switch(mini_buf_index) {
- case 0:
- break;
- case 2:
- num_bytes = InstallTextByte(ibytes, num_bytes, mini_buf, itext,
- context, line);
- mini_buf_index = 0;
- break;
- default:
- continue_translation = FALSE;
- }
- break;
- default: {
- char buffer[kBufferSize];
- SNPRINTF(buffer, kBufferSize,
- "%s: contains bad text:\n '%s'\n",
- TextContext(context, line), itext);
- ReportFatalError(buffer);
- break;
- }
- }
- }
-
- /* If only a single byte was used to define hex value, convert it. */
- if (mini_buf_index > 0) {
- char buffer[kBufferSize];
- SNPRINTF(buffer, kBufferSize,
- "%s: Opcode sequence must be an even number of chars '%s'",
- TextContext(context, line), itext);
- ReportFatalError(buffer);
- }
-
- return num_bytes;
-}
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