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external/cache/sources/wl/include/packed_section_start.h

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+/*
+ * Declare directives for structure packing. No padding will be provided
+ * between the members of packed structures, and therefore, there is no
+ * guarantee that structure members will be aligned.
+ *
+ * Declaring packed structures is compiler specific. In order to handle all
+ * cases, packed structures should be delared as:
+ *
+ * #include <packed_section_start.h>
+ *
+ * typedef BWL_PRE_PACKED_STRUCT struct foobar_t {
+ *    some_struct_members;
+ * } BWL_POST_PACKED_STRUCT foobar_t;
+ *
+ * #include <packed_section_end.h>
+ *
+ *
+ * $Copyright Open Broadcom Corporation$
+ * $Id: packed_section_start.h 397846 2013-04-21 22:11:16Z ishen $
+ */
+
+
+/* Error check - BWL_PACKED_SECTION is defined in packed_section_start.h
+ * and undefined in packed_section_end.h. If it is already defined at this
+ * point, then there is a missing include of packed_section_end.h.
+ */
+#ifdef BWL_PACKED_SECTION
+	#error "BWL_PACKED_SECTION is already defined!"
+#else
+	#define BWL_PACKED_SECTION
+#endif
+
+
+#if defined(_MSC_VER)
+	/* Disable compiler warning about pragma pack changing alignment. */
+	#pragma warning(disable:4103)
+
+	/* The Microsoft compiler uses pragmas for structure packing. Other
+	 * compilers use structure attribute modifiers. Refer to
+	 * BWL_PRE_PACKED_STRUCT and BWL_POST_PACKED_STRUCT defined below.
+	 */
+	#if defined(BWL_DEFAULT_PACKING)
+		/* Default structure packing */
+		#pragma pack(push, 8)
+	#else   /* BWL_PACKED_SECTION */
+		#pragma pack(1)
+	#endif   /* BWL_PACKED_SECTION */
+#endif   /* _MSC_VER */
+
+#if defined(__GNUC__) && defined(EFI)
+#pragma pack(push)
+#pragma pack(1)
+#endif
+
+/* Declare compiler-specific directives for structure packing. */
+#if defined(_MSC_VER)
+	#define	BWL_PRE_PACKED_STRUCT
+	#define	BWL_POST_PACKED_STRUCT
+#elif defined(__GNUC__) || defined(__lint)
+	#define	BWL_PRE_PACKED_STRUCT
+	#define	BWL_POST_PACKED_STRUCT	__attribute__ ((packed))
+#elif defined(__CC_ARM)
+	#define	BWL_PRE_PACKED_STRUCT	__packed
+	#define	BWL_POST_PACKED_STRUCT
+#else
+	#error "Unknown compiler!"
+#endif