forked from Imagelibrary/rtems
b9f11607b1
- Add resize to the allocator interface - Rework the trampoline variables in the obj struct to make better sense of what is happening Closes #4944
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup rtems_rtl
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*
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* @brief RTEMS Run-Time Linker Allocator for the standard heap.
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*/
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/*
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* COPYRIGHT (c) 2012,2023 Chris Johns <chrisj@rtems.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include "rtl-alloc-heap.h"
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#include <rtems/score/apimutex.h>
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void
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rtems_rtl_alloc_heap (rtems_rtl_alloc_cmd cmd,
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rtems_rtl_alloc_tag tag,
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void** address,
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size_t size)
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{
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switch (cmd)
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{
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case RTEMS_RTL_ALLOC_NEW:
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*address = malloc (size);
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break;
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case RTEMS_RTL_ALLOC_DEL:
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free (*address);
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*address = NULL;
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break;
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case RTEMS_RTL_ALLOC_RESIZE:
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*address = realloc (*address, size);
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break;
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case RTEMS_RTL_ALLOC_LOCK:
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_RTEMS_Lock_allocator();
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break;
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case RTEMS_RTL_ALLOC_UNLOCK:
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_RTEMS_Unlock_allocator();
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break;
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default:
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break;
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}
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}
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