1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef __ASM_SH_BUG_H 13 #define __ASM_SH_BUG_H 14 15 #define TRAPA_BUG_OPCODE 0xc33e 16 17 #define HAVE_ARCH_BUG 18 #define HAVE_ARCH_WARN_ON 19 20 #define _EMIT_BUG_ENTRY "\t.pushsection __bug_table,\"a\"\n" "2:\t.long 1b\n" "\t.short %O3\n" "\t.org 2b+%O4\n" "\t.popsection\n" 21 22 #define BUG() do { __asm__ __volatile__ ( "1:\t.short %O0\n" _EMIT_BUG_ENTRY : : "n" (TRAPA_BUG_OPCODE), "i" (__FILE__), "i" (__LINE__), "i" (0), "i" (sizeof(struct bug_entry))); } while (0) 23 24 #define __WARN() do { __asm__ __volatile__ ( "1:\t.short %O0\n" _EMIT_BUG_ENTRY : : "n" (TRAPA_BUG_OPCODE), "i" (__FILE__), "i" (__LINE__), "i" (BUGFLAG_WARNING), "i" (sizeof(struct bug_entry))); } while (0) 25 26 #define WARN_ON(x) ({ int __ret_warn_on = !!(x); if (__builtin_constant_p(__ret_warn_on)) { if (__ret_warn_on) __WARN(); } else { if (unlikely(__ret_warn_on)) __WARN(); } unlikely(__ret_warn_on); }) 27 28 #include <asm-generic/bug.h> 29 30 #endif 31
