/usr/src/lttng-modules-2.7.1/wrapper/kallsyms.h is in lttng-modules-dkms 2.7.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | #ifndef _LTTNG_WRAPPER_KALLSYMS_H
#define _LTTNG_WRAPPER_KALLSYMS_H
/*
* wrapper/kallsyms.h
*
* wrapper around kallsyms_lookup_name. Implements arch-dependent code for
* arches where the address of the start of the function body is different
* from the pointer which can be used to call the function, e.g. ARM THUMB2.
*
* Copyright (C) 2011 Avik Sil (avik.sil@linaro.org)
* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; only
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/kallsyms.h>
static inline
unsigned long kallsyms_lookup_funcptr(const char *name)
{
unsigned long addr;
addr = kallsyms_lookup_name(name);
#ifdef CONFIG_ARM
#ifdef CONFIG_THUMB2_KERNEL
if (addr)
addr |= 1; /* set bit 0 in address for thumb mode */
#endif
#endif
return addr;
}
static inline
unsigned long kallsyms_lookup_dataptr(const char *name)
{
return kallsyms_lookup_name(name);
}
#endif /* _LTTNG_WRAPPER_KALLSYMS_H */
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