#ifndef _PPC64_BUG_H #define _PPC64_BUG_H /* * Define an illegal instr to trap on the bug. * We don't use 0 because that marks the end of a function * in the ELF ABI. That's "Boo Boo" in case you wonder... */ #define BUG_OPCODE .long 0x00b00b00 /* For asm */ #define BUG_ILLEGAL_INSTR "0x00b00b00" /* For BUG macro */ #ifndef __ASSEMBLY__ struct bug_entry { unsigned long bug_addr; long line; const char *file; const char *function; }; struct bug_entry *find_bug(unsigned long bugaddr); /* * If this bit is set in the line number it means that the trap * is for WARN_ON rather than BUG or BUG_ON. */ #define BUG_WARNING_TRAP 0x1000000 #ifdef CONFIG_BUG #define BUG() do { \ __asm__ __volatile__( \ "1: twi 31,0,0\n" \ ".section __bug_table,\"a\"\n\t" \ " .llong 1b,%0,%1,%2\n" \ ".previous" \ : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \ } while (0) #define BUG_ON(x) do { \ __asm__ __volatile__( \ "1: tdnei %0,0\n" \ ".section __bug_table,\"a\"\n\t" \ " .llong 1b,%1,%2,%3\n" \ ".previous" \ : : "r" ((long long)(x)), "i" (__LINE__), \ "i" (__FILE__), "i" (__FUNCTION__)); \ } while (0) #define WARN_ON(x) do { \ __asm__ __volatile__( \ "1: tdnei %0,0\n" \ ".section __bug_table,\"a\"\n\t" \ " .llong 1b,%1,%2,%3\n" \ ".previous" \ : : "r" ((long long)(x)), \ "i" (__LINE__ + BUG_WARNING_TRAP), \ "i" (__FILE__), "i" (__FUNCTION__)); \ } while (0) #define HAVE_ARCH_BUG #define HAVE_ARCH_BUG_ON #define HAVE_ARCH_WARN_ON #endif #endif #include <asm-generic/bug.h> #endif