| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2010 Tilera Corporation. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation, version 2. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, but |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| 11 | * NON INFRINGEMENT. See the GNU General Public License for |
| 12 | * more details. |
| 13 | */ |
| 14 | |
| 15 | #ifndef _ASM_TILE_SECTIONS_H |
| 16 | #define _ASM_TILE_SECTIONS_H |
| 17 | |
| 18 | #define arch_is_kernel_data arch_is_kernel_data |
| 19 | |
| 20 | #include <asm-generic/sections.h> |
| 21 | |
| 22 | /* Write-once data is writable only till the end of initialization. */ |
| 23 | extern char __w1data_begin[], __w1data_end[]; |
| 24 | |
| 25 | extern char vdso_start[], vdso_end[]; |
| 26 | #ifdef CONFIG_COMPAT |
| 27 | extern char vdso32_start[], vdso32_end[]; |
| 28 | #endif |
| 29 | |
| 30 | /* Not exactly sections, but PC comparison points in the code. */ |
| 31 | extern char __rt_sigreturn[], __rt_sigreturn_end[]; |
| 32 | #ifdef __tilegx__ |
| 33 | extern char __start_unalign_asm_code[], __end_unalign_asm_code[]; |
| 34 | #else |
| 35 | extern char sys_cmpxchg[], __sys_cmpxchg_end[]; |
| 36 | extern char __sys_cmpxchg_grab_lock[]; |
| 37 | extern char __start_atomic_asm_code[], __end_atomic_asm_code[]; |
| 38 | #endif |
| 39 | |
| 40 | /* Handle the discontiguity between _sdata and _text. */ |
| 41 | static inline int arch_is_kernel_data(unsigned long addr) |
| 42 | { |
| 43 | return addr >= (unsigned long)_sdata && |
| 44 | addr < (unsigned long)_end; |
| 45 | } |
| 46 | |
| 47 | #endif /* _ASM_TILE_SECTIONS_H */ |