import RT-Thread@9217865c without bsp, libcpu and components/net

components/libc/compilers/armlibc/syscall_mem.c

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2014-08-03     bernard      Add file header
+ * 2021-11-13     Meco Man     implement no-heap warning
+ */
+
+#include <rtthread.h>
+#include <stddef.h>
+
+#ifndef RT_USING_HEAP
+#define DBG_TAG    "armlibc.syscall.mem"
+#define DBG_LVL    DBG_INFO
+#include <rtdbg.h>
+
+#define _NO_HEAP_ERROR()  do{LOG_E("Please enable RT_USING_HEAP");\
+                             RT_ASSERT(0);\
+                            }while(0)
+#endif /* RT_USING_HEAP */
+
+#ifdef __CC_ARM
+    /* avoid the heap and heap-using library functions supplied by arm */
+    #pragma import(__use_no_heap)
+#endif /* __CC_ARM */
+
+void *malloc(size_t n)
+{
+#ifdef RT_USING_HEAP
+    return rt_malloc(n);
+#else
+    _NO_HEAP_ERROR();
+    return RT_NULL;
+#endif
+}
+RTM_EXPORT(malloc);
+
+void *realloc(void *rmem, size_t newsize)
+{
+#ifdef RT_USING_HEAP
+    return rt_realloc(rmem, newsize);
+#else
+    _NO_HEAP_ERROR();
+    return RT_NULL;
+#endif
+}
+RTM_EXPORT(realloc);
+
+void *calloc(size_t nelem, size_t elsize)
+{
+#ifdef RT_USING_HEAP
+    return rt_calloc(nelem, elsize);
+#else
+    _NO_HEAP_ERROR();
+    return RT_NULL;
+#endif
+}
+RTM_EXPORT(calloc);
+
+void free(void *rmem)
+{
+#ifdef RT_USING_HEAP
+    rt_free(rmem);
+#else
+    _NO_HEAP_ERROR();
+#endif
+}
+RTM_EXPORT(free);