/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_S390_BUG_H #define _ASM_S390_BUG_H #include <linux/kernel.h> #ifdef [31mCONFIG_BUG[0m #ifdef [31mCONFIG_DEBUG_BUGVERBOSE[0m #define __EMIT_BUG(x) do { \ asm volatile( \ "0: j 0b+2\n" \ "1:\n" \ ".section .rodata.str,\"aMS\",@progbits,1\n" \ "2: .asciz \""__FILE__"\"\n" \ ".previous\n" \ ".section __bug_table,\"awM\",@progbits,%2\n" \ "3: .long 1b-3b,2b-3b\n" \ " .short %0,%1\n" \ " .org 3b+%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 volatile( \ "0: j 0b+2\n" \ "1:\n" \ ".section __bug_table,\"awM\",@progbits,%1\n" \ "2: .long 1b-2b\n" \ " .short %0\n" \ " .org 2b+%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 */ |