| #ifndef _ASM_GENERIC_BUG_H |
| #define _ASM_GENERIC_BUG_H |
| |
| #include <linux/compiler.h> |
| |
| #ifdef CONFIG_BUG |
| |
| #ifdef CONFIG_GENERIC_BUG |
| #ifndef __ASSEMBLY__ |
| struct bug_entry { |
| #ifndef CONFIG_GENERIC_BUG_RELATIVE_POINTERS |
| unsigned long bug_addr; |
| #else |
| signed int bug_addr_disp; |
| #endif |
| #ifdef CONFIG_DEBUG_BUGVERBOSE |
| #ifndef CONFIG_GENERIC_BUG_RELATIVE_POINTERS |
| const char *file; |
| #else |
| signed int file_disp; |
| #endif |
| unsigned short line; |
| #endif |
| unsigned short flags; |
| }; |
| #endif /* __ASSEMBLY__ */ |
| |
| #define BUGFLAG_WARNING (1<<0) |
| #endif /* CONFIG_GENERIC_BUG */ |
| |
| #ifndef HAVE_ARCH_BUG |
| #define BUG() do { \ |
| printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \ |
| panic("BUG!"); \ |
| } while (0) |
| #endif |
| |
| #ifndef HAVE_ARCH_BUG_ON |
| #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0) |
| #endif |
| |
| #ifndef __WARN |
| #ifndef __ASSEMBLY__ |
| extern void warn_slowpath(const char *file, const int line, |
| const char *fmt, ...) __attribute__((format(printf, 3, 4))); |
| #define WANT_WARN_ON_SLOWPATH |
| #endif |
| #define __WARN() warn_slowpath(__FILE__, __LINE__, NULL) |
| #define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg) |
| #else |
| #define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0) |
| #endif |
| |
| #ifndef WARN_ON |
| #define WARN_ON(condition) ({ \ |
| int __ret_warn_on = !!(condition); \ |
| if (unlikely(__ret_warn_on)) \ |
| __WARN(); \ |
| unlikely(__ret_warn_on); \ |
| }) |
| #endif |
| |
| #ifndef WARN |
| #define WARN(condition, format...) ({ \ |
| int __ret_warn_on = !!(condition); \ |
| if (unlikely(__ret_warn_on)) \ |
| __WARN_printf(format); \ |
| unlikely(__ret_warn_on); \ |
| }) |
| #endif |
| |
| #else /* !CONFIG_BUG */ |
| #ifndef HAVE_ARCH_BUG |
| #define BUG() |
| #endif |
| |
| #ifndef HAVE_ARCH_BUG_ON |
| #define BUG_ON(condition) do { if (condition) ; } while(0) |
| #endif |
| |
| #ifndef HAVE_ARCH_WARN_ON |
| #define WARN_ON(condition) ({ \ |
| int __ret_warn_on = !!(condition); \ |
| unlikely(__ret_warn_on); \ |
| }) |
| #endif |
| |
| #ifndef WARN |
| #define WARN(condition, format...) ({ \ |
| int __ret_warn_on = !!(condition); \ |
| unlikely(__ret_warn_on); \ |
| }) |
| #endif |
| |
| #endif |
| |
| #define WARN_ON_ONCE(condition) ({ \ |
| static int __warned; \ |
| int __ret_warn_once = !!(condition); \ |
| \ |
| if (unlikely(__ret_warn_once)) \ |
| if (WARN_ON(!__warned)) \ |
| __warned = 1; \ |
| unlikely(__ret_warn_once); \ |
| }) |
| |
| #define WARN_ONCE(condition, format...) ({ \ |
| static int __warned; \ |
| int __ret_warn_once = !!(condition); \ |
| \ |
| if (unlikely(__ret_warn_once)) \ |
| if (WARN(!__warned, format)) \ |
| __warned = 1; \ |
| unlikely(__ret_warn_once); \ |
| }) |
| |
| #define WARN_ON_RATELIMIT(condition, state) \ |
| WARN_ON((condition) && __ratelimit(state)) |
| |
| #ifdef CONFIG_SMP |
| # define WARN_ON_SMP(x) WARN_ON(x) |
| #else |
| # define WARN_ON_SMP(x) do { } while (0) |
| #endif |
| |
| #endif |