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47 lines
1.5 KiB
47 lines
1.5 KiB
/* |
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* Copyright 2010 Tilera Corporation. All Rights Reserved. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation, version 2. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
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* NON INFRINGEMENT. See the GNU General Public License for |
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* more details. |
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*/ |
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#ifndef _ASM_TILE_SECTIONS_H |
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#define _ASM_TILE_SECTIONS_H |
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#define arch_is_kernel_data arch_is_kernel_data |
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#include <asm-generic/sections.h> |
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/* Write-once data is writable only till the end of initialization. */ |
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extern char __w1data_begin[], __w1data_end[]; |
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extern char vdso_start[], vdso_end[]; |
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#ifdef CONFIG_COMPAT |
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extern char vdso32_start[], vdso32_end[]; |
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#endif |
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/* Not exactly sections, but PC comparison points in the code. */ |
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extern char __rt_sigreturn[], __rt_sigreturn_end[]; |
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#ifdef __tilegx__ |
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extern char __start_unalign_asm_code[], __end_unalign_asm_code[]; |
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#else |
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extern char sys_cmpxchg[], __sys_cmpxchg_end[]; |
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extern char __sys_cmpxchg_grab_lock[]; |
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extern char __start_atomic_asm_code[], __end_atomic_asm_code[]; |
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#endif |
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/* Handle the discontiguity between _sdata and _text. */ |
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static inline int arch_is_kernel_data(unsigned long addr) |
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{ |
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return addr >= (unsigned long)_sdata && |
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addr < (unsigned long)_end; |
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} |
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#endif /* _ASM_TILE_SECTIONS_H */
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