Added atomics types

Author: arjunr2

wamr-sdk/app/libc-builtin-sysroot/include/stdint.h

@@ -29,6 +29,44 @@ typedef unsigned short int      uint16_t;
 typedef unsigned int	        uint32_t;
 typedef unsigned long long int  uint64_t;
 
+/* For atomics */
+typedef int8_t int_fast8_t;
+typedef int64_t int_fast64_t;
+
+typedef int8_t  int_least8_t;
+typedef int16_t int_least16_t;
+typedef int32_t int_least32_t;
+typedef int64_t int_least64_t;
+
+typedef uint8_t uint_fast8_t;
+typedef uint64_t uint_fast64_t;
+
+typedef uint8_t  uint_least8_t;
+typedef uint16_t uint_least16_t;
+typedef uint32_t uint_least32_t;
+typedef uint64_t uint_least64_t;
+typedef int16_t int_fast16_t;
+typedef int32_t int_fast32_t;
+typedef uint16_t uint_fast16_t;
+typedef uint32_t uint_fast32_t;
+
+typedef int64_t intmax_t;
+typedef uint64_t uintmax_t;
+
+#define INT_FAST16_MIN  INT16_MIN
+#define INT_FAST32_MIN  INT32_MIN
+
+#define INT_FAST16_MAX  INT16_MAX
+#define INT_FAST32_MAX  INT32_MAX
+
+#define UINT_FAST16_MAX UINT16_MAX
+#define UINT_FAST32_MAX UINT32_MAX
+
+#define PTRDIFF_MIN     INT32_MIN
+#define PTRDIFF_MAX     INT32_MAX
+
+
+
 typedef __INTPTR_TYPE__		intptr_t;
 typedef __UINTPTR_TYPE__	uintptr_t;
 
@@ -82,10 +120,35 @@ typedef __UINTPTR_TYPE__	uintptr_t;
 #define SIZE_MAX        UINT32_MAX
 #endif
 
+#define INT_FAST8_MIN   INT8_MIN
+#define INT_FAST64_MIN  INT64_MIN
+
+#define INT_LEAST8_MIN   INT8_MIN
+#define INT_LEAST16_MIN  INT16_MIN
+#define INT_LEAST32_MIN  INT32_MIN
+#define INT_LEAST64_MIN  INT64_MIN
+
+#define INT_FAST8_MAX   INT8_MAX
+#define INT_FAST64_MAX  INT64_MAX
+
+#define INT_LEAST8_MAX   INT8_MAX
+#define INT_LEAST16_MAX  INT16_MAX
+#define INT_LEAST32_MAX  INT32_MAX
+#define INT_LEAST64_MAX  INT64_MAX
+
+#define UINT_FAST8_MAX  UINT8_MAX
+#define UINT_FAST64_MAX UINT64_MAX
+
+#define UINT_LEAST8_MAX  UINT8_MAX
+#define UINT_LEAST16_MAX UINT16_MAX
+#define UINT_LEAST32_MAX UINT32_MAX
+#define UINT_LEAST64_MAX UINT64_MAX
+
+
 /* clang-format on */
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif
+#endif