| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_S390_BUG_H |
| #define _ASM_S390_BUG_H |
| |
| #include <linux/compiler.h> |
| |
| #ifdef CONFIG_BUG |
| |
| #ifdef CONFIG_DEBUG_BUGVERBOSE |
| |
| #define __EMIT_BUG(x) do { \ |
| asm_inline volatile( \ |
| "0: mc 0,0\n" \ |
| ".section .rodata.str,\"aMS\",@progbits,1\n" \ |
| "1: .asciz \""__FILE__"\"\n" \ |
| ".previous\n" \ |
| ".section __bug_table,\"awM\",@progbits,%2\n" \ |
| "2: .long 0b-.\n" \ |
| " .long 1b-.\n" \ |
| " .short %0,%1\n" \ |
| " .org 2b+%2\n" \ |
| ".previous\n" \ |
| : : "i" (__LINE__), \ |
| "i" (x), \ |
| "i" (sizeof(struct bug_entry))); \ |
| } while (0) |
| |
| #else /* CONFIG_DEBUG_BUGVERBOSE */ |
| |
| #define __EMIT_BUG(x) do { \ |
| asm_inline volatile( \ |
| "0: mc 0,0\n" \ |
| ".section __bug_table,\"awM\",@progbits,%1\n" \ |
| "1: .long 0b-.\n" \ |
| " .short %0\n" \ |
| " .org 1b+%1\n" \ |
| ".previous\n" \ |
| : : "i" (x), \ |
| "i" (sizeof(struct bug_entry))); \ |
| } while (0) |
| |
| #endif /* CONFIG_DEBUG_BUGVERBOSE */ |
| |
| #define BUG() do { \ |
| __EMIT_BUG(0); \ |
| unreachable(); \ |
| } while (0) |
| |
| #define __WARN_FLAGS(flags) do { \ |
| __EMIT_BUG(BUGFLAG_WARNING|(flags)); \ |
| } while (0) |
| |
| #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); \ |
| }) |
| |
| #define HAVE_ARCH_BUG |
| #define HAVE_ARCH_WARN_ON |
| #endif /* CONFIG_BUG */ |
| |
| #include <asm-generic/bug.h> |
| |
| #endif /* _ASM_S390_BUG_H */ |