113 lines
2.2 KiB
C
113 lines
2.2 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2014-08-03 bernard Add file header
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* 2021-11-13 Meco Man implement no-heap warning
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*/
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#include <rtthread.h>
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#include <stddef.h>
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#ifndef RT_USING_HEAP
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#define DBG_TAG "armlibc.syscall.mem"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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#define _NO_HEAP_ERROR() do{LOG_E("Please enable RT_USING_HEAP");\
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RT_ASSERT(0);\
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}while(0)
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#endif /* RT_USING_HEAP */
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#ifdef __CC_ARM
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/* avoid the heap and heap-using library functions supplied by arm */
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#pragma import(__use_no_heap)
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#endif /* __CC_ARM */
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#if defined (__clang__) && defined (RT_USING_CPLUSPLUS)
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#define RT_USING_POSIX_MEMALIGN
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#endif
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#include <sys/errno.h>
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void *malloc(size_t n)
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{
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#ifdef RT_USING_HEAP
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#ifndef RT_USING_POSIX_MEMALIGN
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return rt_malloc(n);
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#else
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return rt_malloc_align(n, RT_ALIGN_SIZE);
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#endif
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#else
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_NO_HEAP_ERROR();
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return RT_NULL;
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#endif
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}
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RTM_EXPORT(malloc);
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void *realloc(void *rmem, size_t newsize)
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{
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#ifdef RT_USING_HEAP
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#ifndef RT_USING_POSIX_MEMALIGN
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return rt_realloc(rmem, newsize);
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#else
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return rt_realloc_align(rmem, newsize, RT_ALIGN_SIZE);
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#endif
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#else
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_NO_HEAP_ERROR();
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return RT_NULL;
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#endif
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}
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RTM_EXPORT(realloc);
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void *calloc(size_t nelem, size_t elsize)
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{
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#ifdef RT_USING_HEAP
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return rt_calloc(nelem, elsize);
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#else
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_NO_HEAP_ERROR();
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return RT_NULL;
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#endif
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}
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RTM_EXPORT(calloc);
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void free(void *rmem)
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{
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#ifdef RT_USING_HEAP
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#ifndef RT_USING_POSIX_MEMALIGN
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rt_free(rmem);
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#else
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rt_free_align(rmem);
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#endif
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#else
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_NO_HEAP_ERROR();
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#endif
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}
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RTM_EXPORT(free);
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#if defined RT_USING_POSIX_MEMALIGN
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int posix_memalign(void **ptr, size_t align, size_t size)
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{
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if ((align & (align - 1)) != 0)
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{
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return -EINVAL;
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}
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if(align != RT_ALIGN(align, sizeof(void *)))
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{
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return -EINVAL;
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}
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*ptr = rt_malloc_align(size, align);
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if(*ptr == RT_NULL)
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{
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return -ENOMEM;
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}
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return 0;
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}
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#endif
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