FM / dyninst

/usr/share/systemtap/runtime/dyninst

Name	Size	Mode	Actions
addr-map.c	565	0644	edit dl rm
alloc.c	1188	0644	edit dl rm
arith.c	2291	0644	edit dl rm
common_session_state.h	6921	0644	edit dl rm
copy.c	4095	0644	edit dl rm
debug.h	413	0644	edit dl rm
ilog2.h	2943	0644	edit dl rm
io.c	4541	0644	edit dl rm
linux_defs.h	5602	0644	edit dl rm
linux_hash.h	1877	0644	edit dl rm
linux_types.h	654	0644	edit dl rm
loc2c-runtime.h	2494	0644	edit dl rm
map_list.h	1059	0644	edit dl rm
map_runtime.h	5160	0644	edit dl rm
namespaces.h	0	0644	edit dl rm
offptr.h	4788	0644	edit dl rm
offset_list.h	4428	0644	edit dl rm
perf.c	0	0644	edit dl rm
print.c	2700	0644	edit dl rm
probe_lock.h	1849	0644	edit dl rm
regs.c	2557	0644	edit dl rm
runtime.h	10292	0644	edit dl rm
runtime_context.h	6556	0644	edit dl rm
runtime_defines.h	280	0644	edit dl rm
session_attributes.c	1717	0644	edit dl rm
session_attributes.h	772	0644	edit dl rm
shm.c	6171	0644	edit dl rm
stapdyn.h	4617	0644	edit dl rm
stat_runtime.h	1832	0644	edit dl rm
sym.c	1621	0644	edit dl rm
task_finder.c	0	0644	edit dl rm
timer.c	2770	0644	edit dl rm
transport.c	31128	0644	edit dl rm
transport.h	3968	0644	edit dl rm
unwind.c	0	0644	edit dl rm
uprobes-regs.c	3163	0644	edit dl rm
uprobes.c	1798	0644	edit dl rm
uprobes.h	953	0644	edit dl rm

Edit: /usr/share/systemtap/runtime/dyninst/ilog2.h (2943B)

/* Copy of kernel include/linux/log2.h ilog2(),
 * modified to only bother with constant input.
 */

/* Integer base 2 logarithm calculation
 *
 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * 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.
 */

#ifndef _STAPDYN_LOG2_H
#define _STAPDYN_LOG2_H

/**
 * ilog2 - log of base 2 of 32-bit or a 64-bit unsigned value
 * @n - parameter
 *
 * constant-capable log of base 2 calculation
 * - this can be used to initialise global variables from constant data, hence
 *   the massive ternary operator construction
 *
 * selects the appropriately-sized optimised version depending on sizeof(n)
 */
#define ilog2(n)				\
(						\
		(n) < 1 ? (abort(),-1) :	\
		(n) & (1ULL << 63) ? 63 :	\
		(n) & (1ULL << 62) ? 62 :	\
		(n) & (1ULL << 61) ? 61 :	\
		(n) & (1ULL << 60) ? 60 :	\
		(n) & (1ULL << 59) ? 59 :	\
		(n) & (1ULL << 58) ? 58 :	\
		(n) & (1ULL << 57) ? 57 :	\
		(n) & (1ULL << 56) ? 56 :	\
		(n) & (1ULL << 55) ? 55 :	\
		(n) & (1ULL << 54) ? 54 :	\
		(n) & (1ULL << 53) ? 53 :	\
		(n) & (1ULL << 52) ? 52 :	\
		(n) & (1ULL << 51) ? 51 :	\
		(n) & (1ULL << 50) ? 50 :	\
		(n) & (1ULL << 49) ? 49 :	\
		(n) & (1ULL << 48) ? 48 :	\
		(n) & (1ULL << 47) ? 47 :	\
		(n) & (1ULL << 46) ? 46 :	\
		(n) & (1ULL << 45) ? 45 :	\
		(n) & (1ULL << 44) ? 44 :	\
		(n) & (1ULL << 43) ? 43 :	\
		(n) & (1ULL << 42) ? 42 :	\
		(n) & (1ULL << 41) ? 41 :	\
		(n) & (1ULL << 40) ? 40 :	\
		(n) & (1ULL << 39) ? 39 :	\
		(n) & (1ULL << 38) ? 38 :	\
		(n) & (1ULL << 37) ? 37 :	\
		(n) & (1ULL << 36) ? 36 :	\
		(n) & (1ULL << 35) ? 35 :	\
		(n) & (1ULL << 34) ? 34 :	\
		(n) & (1ULL << 33) ? 33 :	\
		(n) & (1ULL << 32) ? 32 :	\
		(n) & (1ULL << 31) ? 31 :	\
		(n) & (1ULL << 30) ? 30 :	\
		(n) & (1ULL << 29) ? 29 :	\
		(n) & (1ULL << 28) ? 28 :	\
		(n) & (1ULL << 27) ? 27 :	\
		(n) & (1ULL << 26) ? 26 :	\
		(n) & (1ULL << 25) ? 25 :	\
		(n) & (1ULL << 24) ? 24 :	\
		(n) & (1ULL << 23) ? 23 :	\
		(n) & (1ULL << 22) ? 22 :	\
		(n) & (1ULL << 21) ? 21 :	\
		(n) & (1ULL << 20) ? 20 :	\
		(n) & (1ULL << 19) ? 19 :	\
		(n) & (1ULL << 18) ? 18 :	\
		(n) & (1ULL << 17) ? 17 :	\
		(n) & (1ULL << 16) ? 16 :	\
		(n) & (1ULL << 15) ? 15 :	\
		(n) & (1ULL << 14) ? 14 :	\
		(n) & (1ULL << 13) ? 13 :	\
		(n) & (1ULL << 12) ? 12 :	\
		(n) & (1ULL << 11) ? 11 :	\
		(n) & (1ULL << 10) ? 10 :	\
		(n) & (1ULL <<  9) ?  9 :	\
		(n) & (1ULL <<  8) ?  8 :	\
		(n) & (1ULL <<  7) ?  7 :	\
		(n) & (1ULL <<  6) ?  6 :	\
		(n) & (1ULL <<  5) ?  5 :	\
		(n) & (1ULL <<  4) ?  4 :	\
		(n) & (1ULL <<  3) ?  3 :	\
		(n) & (1ULL <<  2) ?  2 :	\
		(n) & (1ULL <<  1) ?  1 :	\
		(n) & (1ULL <<  0) ?  0 :	\
		(abort(), -1)        		\
 )

#endif /* _STAPDYN_LOG2_H */

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