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1#ifndef _ASM_POWERPC_CODE_PATCHING_H
2#define _ASM_POWERPC_CODE_PATCHING_H
3
4/*
5 * Copyright 2008, Michael Ellerman, IBM Corporation.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13/* Flags for create_branch:
14 * "b" == create_branch(addr, target, 0);
15 * "ba" == create_branch(addr, target, BRANCH_ABSOLUTE);
16 * "bl" == create_branch(addr, target, BRANCH_SET_LINK);
17 * "bla" == create_branch(addr, target, BRANCH_ABSOLUTE | BRANCH_SET_LINK);
18 */
19#define BRANCH_SET_LINK 0x1
20#define BRANCH_ABSOLUTE 0x2
21
22extern void create_branch(unsigned long addr, unsigned long target, int flags);
23extern void create_instruction(unsigned long addr, unsigned int instr);
24
25#endif /* _ASM_POWERPC_CODE_PATCHING_H */