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/**
* @file kprobe/swap_kprobes_deps.h
* @author Alexey Gerenkov <a.gerenkov@samsung.com> User-Space Probes initial implementation;
* Support x86/ARM/MIPS for both user and kernel spaces.
* @author Ekaterina Gorelkina <e.gorelkina@samsung.com>: redesign module for separating core and arch parts
*
* @section LICENSE
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* @section COPYRIGHT
*
* Copyright (C) Samsung Electronics, 2006-2010
*
* @section DESCRIPTION
*
* SWAP kprobe kernel-dependent dependencies.
*/
#ifndef _SWAP_KPROBES_DEPS_H
#define _SWAP_KPROBES_DEPS_H
#include <linux/version.h> // LINUX_VERSION_CODE, KERNEL_VERSION()
#include <linux/hugetlb.h>
#include <linux/mempolicy.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
#include <ksyms/ksyms.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
#define DECLARE_NODE_PTR_FOR_HLIST(var_name)
#define swap_hlist_for_each_entry_rcu(tpos, pos, head, member) hlist_for_each_entry_rcu(tpos, head, member)
#define swap_hlist_for_each_entry_safe(tpos, pos, n, head, member) hlist_for_each_entry_safe(tpos, n, head, member)
#define swap_hlist_for_each_entry(tpos, pos, head, member) hlist_for_each_entry(tpos, head, member)
#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */
#define DECLARE_NODE_PTR_FOR_HLIST(var_name) struct hlist_node *var_name
#define swap_hlist_for_each_entry_rcu(tpos, pos, head, member) hlist_for_each_entry_rcu(tpos, pos, head, member)
#define swap_hlist_for_each_entry_safe(tpos, pos, n, head, member) hlist_for_each_entry_safe(tpos, pos, n, head, member)
#define swap_hlist_for_each_entry(tpos, pos, head, member) hlist_for_each_entry(tpos, pos, head, member)
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 12))
#define synchronize_sched synchronize_kernel
#endif
//--------------------- Declaration of module dependencies ------------------------//
#define DECLARE_MOD_FUNC_DEP(name, ret, ...) ret(*__ref_##name)(__VA_ARGS__)
#define DECLARE_MOD_CB_DEP(name, ret, ...) ret(*name)(__VA_ARGS__)
//----------------- Implementation of module dependencies wrappers -----------------//
#define DECLARE_MOD_DEP_WRAPPER(name, ret, ...) ret name(__VA_ARGS__)
#define IMP_MOD_DEP_WRAPPER(name, ...) \
{ \
return __ref_##name(__VA_ARGS__); \
}
//---------------------- Module dependencies initialization --------------------//
#define INIT_MOD_DEP_VAR(dep, name) \
{ \
__ref_##dep = (void *) swap_ksyms (#name); \
if (!__ref_##dep) \
{ \
DBPRINTF (#name " is not found! Oops. Where is it?"); \
return -ESRCH; \
} \
}
#define INIT_MOD_DEP_CB(dep, name) \
{ \
dep = (void *) swap_ksyms (#name); \
if (!dep) \
{ \
DBPRINTF (#name " is not found! Oops. Where is it?"); \
return -ESRCH; \
} \
}
int init_module_dependencies(void);
int access_process_vm_atomic(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
#define read_proc_vm_atomic(tsk, addr, buf, len) access_process_vm_atomic (tsk, addr, buf, len, 0)
#define write_proc_vm_atomic(tsk, addr, buf, len) access_process_vm_atomic (tsk, addr, buf, len, 1)
int page_present (struct mm_struct *mm, unsigned long addr);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
unsigned long swap_do_mmap_pgoff(struct file *file, unsigned long addr,
unsigned long len, unsigned long prot,
unsigned long flags, unsigned long pgoff,
unsigned long *populate);
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)
unsigned long swap_do_mmap_pgoff(struct file *file, unsigned long addr,
unsigned long len, unsigned long prot,
unsigned long flags, unsigned long pgoff);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0) */
#endif /* _SWAP_KPROBES_DEPS_H */
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