Add the Labs projects provided in the V10.2.1_191129 zip file.

git-svn-id: http://svn.code.sf.net/p/freertos/code/trunk@2757 1d2547de-c912-0410-9cb9-b8ca96c0e9e2

1 files changed, 151 insertions, 0 deletions

diff --git a/FreeRTOS-Labs/Source/mbedtls/include/mbedtls/memory_buffer_alloc.h b/FreeRTOS-Labs/Source/mbedtls/include/mbedtls/memory_buffer_alloc.h
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+/**

+ * \file memory_buffer_alloc.h

+ *

+ * \brief Buffer-based memory allocator

+ */

+/*

+ *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved

+ *  SPDX-License-Identifier: Apache-2.0

+ *

+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may

+ *  not use this file except in compliance with the License.

+ *  You may obtain a copy of the License at

+ *

+ *  http://www.apache.org/licenses/LICENSE-2.0

+ *

+ *  Unless required by applicable law or agreed to in writing, software

+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+ *  See the License for the specific language governing permissions and

+ *  limitations under the License.

+ *

+ *  This file is part of mbed TLS (https://tls.mbed.org)

+ */

+#ifndef MBEDTLS_MEMORY_BUFFER_ALLOC_H

+#define MBEDTLS_MEMORY_BUFFER_ALLOC_H

+

+#if !defined(MBEDTLS_CONFIG_FILE)

+#include "config.h"

+#else

+#include MBEDTLS_CONFIG_FILE

+#endif

+

+#include <stddef.h>

+

+/**

+ * \name SECTION: Module settings

+ *

+ * The configuration options you can set for this module are in this section.

+ * Either change them in config.h or define them on the compiler command line.

+ * \{

+ */

+

+#if !defined(MBEDTLS_MEMORY_ALIGN_MULTIPLE)

+#define MBEDTLS_MEMORY_ALIGN_MULTIPLE       4 /**< Align on multiples of this value */

+#endif

+

+/* \} name SECTION: Module settings */

+

+#define MBEDTLS_MEMORY_VERIFY_NONE         0

+#define MBEDTLS_MEMORY_VERIFY_ALLOC        (1 << 0)

+#define MBEDTLS_MEMORY_VERIFY_FREE         (1 << 1)

+#define MBEDTLS_MEMORY_VERIFY_ALWAYS       (MBEDTLS_MEMORY_VERIFY_ALLOC | MBEDTLS_MEMORY_VERIFY_FREE)

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+

+/**

+ * \brief   Initialize use of stack-based memory allocator.

+ *          The stack-based allocator does memory management inside the

+ *          presented buffer and does not call calloc() and free().

+ *          It sets the global mbedtls_calloc() and mbedtls_free() pointers

+ *          to its own functions.

+ *          (Provided mbedtls_calloc() and mbedtls_free() are thread-safe if

+ *           MBEDTLS_THREADING_C is defined)

+ *

+ * \note    This code is not optimized and provides a straight-forward

+ *          implementation of a stack-based memory allocator.

+ *

+ * \param buf   buffer to use as heap

+ * \param len   size of the buffer

+ */

+void mbedtls_memory_buffer_alloc_init( unsigned char *buf, size_t len );

+

+/**

+ * \brief   Free the mutex for thread-safety and clear remaining memory

+ */

+void mbedtls_memory_buffer_alloc_free( void );

+

+/**

+ * \brief   Determine when the allocator should automatically verify the state

+ *          of the entire chain of headers / meta-data.

+ *          (Default: MBEDTLS_MEMORY_VERIFY_NONE)

+ *

+ * \param verify    One of MBEDTLS_MEMORY_VERIFY_NONE, MBEDTLS_MEMORY_VERIFY_ALLOC,

+ *                  MBEDTLS_MEMORY_VERIFY_FREE or MBEDTLS_MEMORY_VERIFY_ALWAYS

+ */

+void mbedtls_memory_buffer_set_verify( int verify );

+

+#if defined(MBEDTLS_MEMORY_DEBUG)

+/**

+ * \brief   Print out the status of the allocated memory (primarily for use

+ *          after a program should have de-allocated all memory)

+ *          Prints out a list of 'still allocated' blocks and their stack

+ *          trace if MBEDTLS_MEMORY_BACKTRACE is defined.

+ */

+void mbedtls_memory_buffer_alloc_status( void );

+

+/**

+ * \brief   Get the peak heap usage so far

+ *

+ * \param max_used      Peak number of bytes in use or committed. This

+ *                      includes bytes in allocated blocks too small to split

+ *                      into smaller blocks but larger than the requested size.

+ * \param max_blocks    Peak number of blocks in use, including free and used

+ */

+void mbedtls_memory_buffer_alloc_max_get( size_t *max_used, size_t *max_blocks );

+

+/**

+ * \brief   Reset peak statistics

+ */

+void mbedtls_memory_buffer_alloc_max_reset( void );

+

+/**

+ * \brief   Get the current heap usage

+ *

+ * \param cur_used      Current number of bytes in use or committed. This

+ *                      includes bytes in allocated blocks too small to split

+ *                      into smaller blocks but larger than the requested size.

+ * \param cur_blocks    Current number of blocks in use, including free and used

+ */

+void mbedtls_memory_buffer_alloc_cur_get( size_t *cur_used, size_t *cur_blocks );

+#endif /* MBEDTLS_MEMORY_DEBUG */

+

+/**

+ * \brief   Verifies that all headers in the memory buffer are correct

+ *          and contain sane values. Helps debug buffer-overflow errors.

+ *

+ *          Prints out first failure if MBEDTLS_MEMORY_DEBUG is defined.

+ *          Prints out full header information if MBEDTLS_MEMORY_DEBUG

+ *          is defined. (Includes stack trace information for each block if

+ *          MBEDTLS_MEMORY_BACKTRACE is defined as well).

+ *

+ * \return             0 if verified, 1 otherwise

+ */

+int mbedtls_memory_buffer_alloc_verify( void );

+

+#if defined(MBEDTLS_SELF_TEST)

+/**

+ * \brief          Checkup routine

+ *

+ * \return         0 if successful, or 1 if a test failed

+ */

+int mbedtls_memory_buffer_alloc_self_test( int verbose );

+#endif

+

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* memory_buffer_alloc.h */