projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 9fb7410f DM |
1 | /* |
| 2 | * Copyright (C) 2015 ARM Limited | |
| 3 | * Author: Dave Martin <Dave.Martin@arm.com> | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify | |
| 6 | * it under the terms of the GNU General Public License version 2 as | |
| 7 | * published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program is distributed in the hope that it will be useful, | |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU General Public License | |
| 15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef _ARCH_ARM64_ASM_BUG_H | |
| 19 | #define _ARCH_ARM64_ASM_BUG_H | |
| 20 | ||
| f98deee9 | 21 | #include <asm/brk-imm.h> |
| 9fb7410f | 22 | |
| 9fb7410f DM |
23 | #ifdef CONFIG_DEBUG_BUGVERBOSE |
| 24 | #define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line) | |
| 25 | #define __BUGVERBOSE_LOCATION(file, line) \ | |
| 26 | ".pushsection .rodata.str,\"aMS\",@progbits,1\n" \ | |
| 27 | "2: .string \"" file "\"\n\t" \ | |
| 28 | ".popsection\n\t" \ | |
| 29 | \ | |
| 30 | ".long 2b - 0b\n\t" \ | |
| 31 | ".short " #line "\n\t" | |
| 32 | #else | |
| 33 | #define _BUGVERBOSE_LOCATION(file, line) | |
| 34 | #endif | |
| 35 | ||
| f13d52cb | 36 | #ifdef CONFIG_GENERIC_BUG |
| 9fb7410f | 37 | |
| f13d52cb | 38 | #define __BUG_ENTRY(flags) \ |
| 325cdacd | 39 | ".pushsection __bug_table,\"aw\"\n\t" \ |
| 9fb7410f DM |
40 | ".align 2\n\t" \ |
| 41 | "0: .long 1f - 0b\n\t" \ | |
| 42 | _BUGVERBOSE_LOCATION(__FILE__, __LINE__) \ | |
| 43 | ".short " #flags "\n\t" \ | |
| 44 | ".popsection\n" \ | |
| f13d52cb AB |
45 | "1: " |
| 46 | #else | |
| 47 | #define __BUG_ENTRY(flags) "" | |
| 48 | #endif | |
| 49 | ||
| 50 | #define __BUG_FLAGS(flags) \ | |
| 51 | asm volatile ( \ | |
| 52 | __BUG_ENTRY(flags) \ | |
| 53 | "brk %[imm]" :: [imm] "i" (BUG_BRK_IMM) \ | |
| 54 | ); | |
| 9fb7410f | 55 | |
| f13d52cb AB |
56 | |
| 57 | #define BUG() do { \ | |
| 58 | __BUG_FLAGS(0); \ | |
| 59 | unreachable(); \ | |
| 9fb7410f DM |
60 | } while (0) |
| 61 | ||
| ab182e67 | 62 | #define __WARN_FLAGS(flags) __BUG_FLAGS(BUGFLAG_WARNING|(flags)) |
| 9fb7410f | 63 | |
| f13d52cb | 64 | #define HAVE_ARCH_BUG |
| 9fb7410f DM |
65 | |
| 66 | #include <asm-generic/bug.h> | |
| 67 | ||
| 68 | #endif /* ! _ARCH_ARM64_ASM_BUG_H */ |