2 * @file kprobe/swap_kprobes_deps.h
3 * @author Alexey Gerenkov <a.gerenkov@samsung.com> User-Space Probes initial implementation;
4 * Support x86/ARM/MIPS for both user and kernel spaces.
5 * @author Ekaterina Gorelkina <e.gorelkina@samsung.com>: redesign module for separating core and arch parts
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 * Copyright (C) Samsung Electronics, 2006-2010
27 * @section DESCRIPTION
29 * SWAP kprobe kernel-dependent dependencies.
32 #ifndef _SWAP_KPROBES_DEPS_H
33 #define _SWAP_KPROBES_DEPS_H
35 #include <linux/version.h> /* LINUX_VERSION_CODE, KERNEL_VERSION() */
36 #include <linux/hugetlb.h>
37 #include <linux/mempolicy.h>
38 #include <linux/highmem.h>
39 #include <linux/pagemap.h>
40 #include <ksyms/ksyms.h>
42 #define DECLARE_NODE_PTR_FOR_HLIST(var_name)
43 #define swap_hlist_for_each_entry_rcu(tpos, pos, head, member) \
44 hlist_for_each_entry_rcu(tpos, head, member)
45 #define swap_hlist_for_each_entry_safe(tpos, pos, n, head, member) \
46 hlist_for_each_entry_safe(tpos, n, head, member)
47 #define swap_hlist_for_each_entry(tpos, pos, head, member) \
48 hlist_for_each_entry(tpos, head, member)
53 * TODO: possibly unnided
54 * check and remove swap_preempt_enable_no_resched() call
57 #define swap_preempt_enable_no_resched() preempt_enable_no_resched()
61 /* --------------------- Declaration of module dependencies ----------------- */
63 #define DECLARE_MOD_FUNC_DEP(name, ret, ...) ret(*__ref_##name)(__VA_ARGS__)
64 #define DECLARE_MOD_CB_DEP(name, ret, ...) ret(*name)(__VA_ARGS__)
67 /* ---------------- Implementation of module dependencies wrappers ---------- */
69 #define DECLARE_MOD_DEP_WRAPPER(name, ret, ...) ret name(__VA_ARGS__)
70 #define IMP_MOD_DEP_WRAPPER(name, ...) \
72 return __ref_##name(__VA_ARGS__); \
76 /* --------------------- Module dependencies initialization ----------------- */
78 #define INIT_MOD_DEP_VAR(dep, name) \
80 __ref_##dep = (void *) swap_ksyms(#name); \
82 DBPRINTF(#name " is not found! Oops. Where is it?"); \
87 #define INIT_MOD_DEP_CB(dep, name) \
89 dep = (void *) swap_ksyms(#name); \
91 DBPRINTF(#name " is not found! Oops. Where is it?"); \
97 int init_module_dependencies(void);
99 int access_process_vm_atomic(struct task_struct *tsk, unsigned long addr,
100 void *buf, int len, int write);
102 #define read_proc_vm_atomic(tsk, addr, buf, len) \
103 access_process_vm_atomic(tsk, addr, buf, len, 0)
104 #define write_proc_vm_atomic(tsk, addr, buf, len) \
105 access_process_vm_atomic(tsk, addr, buf, len, 1)
106 int page_present(struct mm_struct *mm, unsigned long addr);
108 unsigned long swap_do_mmap_pgoff(struct file *file, unsigned long addr,
109 unsigned long len, unsigned long prot,
110 unsigned long flags, unsigned long pgoff,
111 unsigned long *populate);
114 #endif /* _SWAP_KPROBES_DEPS_H */