#ifndef __ASM_SH_BUG_H #define __ASM_SH_BUG_H #define TRAPA_BUG_OPCODE 0xc33e /* trapa #0x3e */ #ifdef CONFIG_BUG #define HAVE_ARCH_BUG #define HAVE_ARCH_WARN_ON /** * _EMIT_BUG_ENTRY * %1 - __FILE__ * %2 - __LINE__ * %3 - trap type * %4 - sizeof(struct bug_entry) * * The trapa opcode itself sits in %0. * The %O notation is used to avoid # generation. * * The offending file and line are encoded in the __bug_table section. */ #ifdef CONFIG_DEBUG_BUGVERBOSE #define _EMIT_BUG_ENTRY \ "\t.pushsection __bug_table,\"a\"\n" \ "2:\t.long 1b, %O1\n" \ "\t.short %O2, %O3\n" \ "\t.org 2b+%O4\n" \ "\t.popsection\n" #else #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" #endif #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) #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) #define WARN_ON(x) ({ \ typeof(x) __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); \ }) struct pt_regs; /* arch/sh/kernel/traps.c */ void handle_BUG(struct pt_regs *); #endif /* CONFIG_BUG */ #include <asm-generic/bug.h> #endif /* __ASM_SH_BUG_H */