feat 新的运行时环境

runtime/libcore/include/core_mem.h

@@ -0,0 +1,28 @@
+#ifndef __SMCC_CORE_MEM_H__
+#define __SMCC_CORE_MEM_H__ 
+
+#include "core_type.h"
+
+void* smcc_memcpy(void *dest, const void *src, usize n);
+void* smcc_memmove(void *dest, const void *src, usize n);
+void* smcc_memset(void *s, int c, usize n);
+int smcc_memcmp(const void *s1, const void *s2, usize n);
+
+static inline u32 smcc_strhash32(const char* s) {
+    u32 hash = 2166136261u; // FNV-1a偏移基础值
+    while (*s) {
+        hash ^= *s++;
+        hash *= 16777619u;
+    }
+    return hash;
+}
+
+static inline int smcc_strcmp(const char* s1, const char* s2) {
+    while (*s1 && *s2 && *s1 == *s2) {
+        s1++;
+        s2++;
+    }
+    return *s1 - *s2;
+}
+
+#endif /* __SMCC_CORE_MEM_H__ */