/* * Copyright (C) 2015 ARM Limited * Author: Dave Martin <Dave.Martin@arm.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _ARCH_ARM64_ASM_BUG_H #define _ARCH_ARM64_ASM_BUG_H #include <asm/brk-imm.h> #ifdef [31mCONFIG_GENERIC_BUG[0m #define HAVE_ARCH_BUG #ifdef [31mCONFIG_DEBUG_BUGVERBOSE[0m #define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line) #define __BUGVERBOSE_LOCATION(file, line) \ ".pushsection .rodata.str,\"aMS\",@progbits,1\n" \ "2: .string \"" file "\"\n\t" \ ".popsection\n\t" \ \ ".long 2b - 0b\n\t" \ ".short " #line "\n\t" #else #define _BUGVERBOSE_LOCATION(file, line) #endif #define _BUG_FLAGS(flags) __BUG_FLAGS(flags) #define __BUG_FLAGS(flags) asm volatile ( \ ".pushsection __bug_table,\"a\"\n\t" \ ".align 2\n\t" \ "0: .long 1f - 0b\n\t" \ _BUGVERBOSE_LOCATION(__FILE__, __LINE__) \ ".short " #flags "\n\t" \ ".popsection\n" \ \ "1: brk %[imm]" \ :: [imm] "i" (BUG_BRK_IMM) \ ) #define BUG() do { \ _BUG_FLAGS(0); \ unreachable(); \ } while (0) #define __WARN_TAINT(taint) _BUG_FLAGS(BUGFLAG_TAINT(taint)) #endif /* ! CONFIG_GENERIC_BUG */ #include <asm-generic/bug.h> #endif /* ! _ARCH_ARM64_ASM_BUG_H */ |