diff options
Diffstat (limited to 'include/asm-powerpc/bug.h')
-rw-r--r-- | include/asm-powerpc/bug.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/include/asm-powerpc/bug.h b/include/asm-powerpc/bug.h deleted file mode 100644 index e55d1f66b86f..000000000000 --- a/include/asm-powerpc/bug.h +++ /dev/null @@ -1,121 +0,0 @@ -#ifndef _ASM_POWERPC_BUG_H -#define _ASM_POWERPC_BUG_H -#ifdef __KERNEL__ - -#include <asm/asm-compat.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 */ - -#ifdef CONFIG_BUG - -#ifdef __ASSEMBLY__ -#ifdef CONFIG_DEBUG_BUGVERBOSE -.macro EMIT_BUG_ENTRY addr,file,line,flags - .section __bug_table,"a" -5001: PPC_LONG \addr, 5002f - .short \line, \flags - .org 5001b+BUG_ENTRY_SIZE - .previous - .section .rodata,"a" -5002: .asciz "\file" - .previous -.endm -#else - .macro EMIT_BUG_ENTRY addr,file,line,flags - .section __bug_table,"a" -5001: PPC_LONG \addr - .short \flags - .org 5001b+BUG_ENTRY_SIZE - .previous -.endm -#endif /* verbose */ - -#else /* !__ASSEMBLY__ */ -/* _EMIT_BUG_ENTRY expects args %0,%1,%2,%3 to be FILE, LINE, flags and - sizeof(struct bug_entry), respectively */ -#ifdef CONFIG_DEBUG_BUGVERBOSE -#define _EMIT_BUG_ENTRY \ - ".section __bug_table,\"a\"\n" \ - "2:\t" PPC_LONG "1b, %0\n" \ - "\t.short %1, %2\n" \ - ".org 2b+%3\n" \ - ".previous\n" -#else -#define _EMIT_BUG_ENTRY \ - ".section __bug_table,\"a\"\n" \ - "2:\t" PPC_LONG "1b\n" \ - "\t.short %2\n" \ - ".org 2b+%3\n" \ - ".previous\n" -#endif - -/* - * BUG_ON() and WARN_ON() do their best to cooperate with compile-time - * optimisations. However depending on the complexity of the condition - * some compiler versions may not produce optimal results. - */ - -#define BUG() do { \ - __asm__ __volatile__( \ - "1: twi 31,0,0\n" \ - _EMIT_BUG_ENTRY \ - : : "i" (__FILE__), "i" (__LINE__), \ - "i" (0), "i" (sizeof(struct bug_entry))); \ - for(;;) ; \ -} while (0) - -#define BUG_ON(x) do { \ - if (__builtin_constant_p(x)) { \ - if (x) \ - BUG(); \ - } else { \ - __asm__ __volatile__( \ - "1: "PPC_TLNEI" %4,0\n" \ - _EMIT_BUG_ENTRY \ - : : "i" (__FILE__), "i" (__LINE__), "i" (0), \ - "i" (sizeof(struct bug_entry)), \ - "r" ((__force long)(x))); \ - } \ -} while (0) - -#define __WARN() do { \ - __asm__ __volatile__( \ - "1: twi 31,0,0\n" \ - _EMIT_BUG_ENTRY \ - : : "i" (__FILE__), "i" (__LINE__), \ - "i" (BUGFLAG_WARNING), \ - "i" (sizeof(struct bug_entry))); \ -} while (0) - -#define WARN_ON(x) ({ \ - int __ret_warn_on = !!(x); \ - if (__builtin_constant_p(__ret_warn_on)) { \ - if (__ret_warn_on) \ - __WARN(); \ - } else { \ - __asm__ __volatile__( \ - "1: "PPC_TLNEI" %4,0\n" \ - _EMIT_BUG_ENTRY \ - : : "i" (__FILE__), "i" (__LINE__), \ - "i" (BUGFLAG_WARNING), \ - "i" (sizeof(struct bug_entry)), \ - "r" (__ret_warn_on)); \ - } \ - unlikely(__ret_warn_on); \ -}) - -#define HAVE_ARCH_BUG -#define HAVE_ARCH_BUG_ON -#define HAVE_ARCH_WARN_ON -#endif /* __ASSEMBLY __ */ -#endif /* CONFIG_BUG */ - -#include <asm-generic/bug.h> - -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_BUG_H */ |