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1 | #!/bin/bash |
2 | ||
3 | # | |
4 | # libseccomp syscall validation script | |
5 | # | |
6 | # Copyright (c) 2014 Red Hat <pmoore@redhat.com> | |
7 | # Author: Paul Moore <paul@paul-moore.com> | |
8 | # | |
9 | ||
10 | # | |
11 | # This library is free software; you can redistribute it and/or modify it | |
12 | # under the terms of version 2.1 of the GNU Lesser General Public License as | |
13 | # published by the Free Software Foundation. | |
14 | # | |
15 | # This library is distributed in the hope that it will be useful, but WITHOUT | |
16 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
17 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
18 | # for more details. | |
19 | # | |
20 | # You should have received a copy of the GNU Lesser General Public License | |
21 | # along with this library; if not, see <http://www.gnu.org/licenses>. | |
22 | # | |
23 | ||
24 | LIB_SYS_DUMP="./arch-syscall-dump" | |
25 | ||
26 | #### | |
27 | # functions | |
28 | ||
29 | # | |
30 | # Dependency check | |
31 | # | |
32 | # Arguments: | |
33 | # 1 Dependency to check for | |
34 | # | |
35 | function check_deps() { | |
36 | [[ -z "$1" ]] && return | |
37 | which "$1" >& /dev/null | |
38 | return $? | |
39 | } | |
40 | ||
41 | # | |
42 | # Dependency verification | |
43 | # | |
44 | # Arguments: | |
45 | # 1 Dependency to check for | |
46 | # | |
47 | function verify_deps() { | |
48 | [[ -z "$1" ]] && return | |
49 | if ! check_deps "$1"; then | |
50 | echo "error: install \"$1\" and include it in your \$PATH" | |
51 | exit 1 | |
52 | fi | |
53 | } | |
54 | ||
55 | # | |
56 | # Print out script usage details | |
57 | # | |
58 | function usage() { | |
59 | cat << EOF | |
60 | usage: arch-syscall-validate [-h] [-a <arch>] <kernel_directory> | |
61 | ||
62 | libseccomp syscall validation script | |
63 | optional arguments: | |
64 | -h show this help message and exit | |
65 | -a architecture | |
66 | -l output the library's syscall definitions | |
67 | -s output the system's syscall definitions | |
68 | EOF | |
69 | } | |
70 | ||
71 | # | |
72 | # Dump the library syscall table for a given architecture | |
73 | # | |
74 | # Arguments: | |
75 | # 1 architecture | |
76 | # 2 offset (optional) | |
77 | # | |
78 | # | |
79 | # Dump the library's syscall table to stdout. | |
80 | # | |
81 | function dump_lib_arch() { | |
82 | local offset_str="" | |
83 | ||
84 | [[ -z $1 ]] && return | |
85 | ||
86 | [[ -n $2 ]] && offset_str="-o $2" | |
87 | $LIB_SYS_DUMP -a $1 $offset_str | sed -e '/[^\t]\+\t-[0-9]\+/d' | |
88 | } | |
89 | ||
90 | # | |
91 | # Dump the x86 system syscall table | |
92 | # | |
93 | # Arguments: | |
94 | # 1 path to the kernel source | |
95 | # | |
96 | # Dump the architecture's syscall table to stdout. | |
97 | # | |
98 | function dump_sys_x86() { | |
99 | cat $1/arch/x86/entry/syscalls/syscall_32.tbl | \ | |
100 | grep -v "^#" | awk '{ print $3"\t"$1 }' | sed '/^[ \t]*$/d' | \ | |
101 | sort | |
102 | } | |
103 | ||
104 | # | |
105 | # Dump the x86 library syscall table | |
106 | # | |
107 | # Dump the library's syscall table to stdout. | |
108 | # | |
109 | function dump_lib_x86() { | |
110 | dump_lib_arch x86 | |
111 | } | |
112 | ||
113 | # | |
114 | # Dump the x86_64 system syscall table | |
115 | # | |
116 | # Arguments: | |
117 | # 1 path to the kernel source | |
118 | # | |
119 | # Dump the architecture's syscall table to stdout. | |
120 | # | |
121 | function dump_sys_x86_64() { | |
122 | cat $1/arch/x86/entry/syscalls/syscall_64.tbl | \ | |
123 | grep -v "^#" | awk '{ print $2,$3,$1 }' | sed -e '/^x32/d' | \ | |
124 | awk '{ print $2"\t"$3 }' | sed '/^[ \t]*$/d' | sort | |
125 | } | |
126 | ||
127 | # | |
128 | # Dump the x86_64 library syscall table | |
129 | # | |
130 | # Dump the library's syscall table to stdout. | |
131 | # | |
132 | function dump_lib_x86_64() { | |
133 | dump_lib_arch x86_64 | |
134 | } | |
135 | ||
136 | # | |
137 | # Dump the x32 system syscall table | |
138 | # | |
139 | # Arguments: | |
140 | # 1 path to the kernel source | |
141 | # | |
142 | # Dump the architecture's syscall table to stdout. | |
143 | # | |
144 | function dump_sys_x32() { | |
145 | cat $1/arch/x86/entry/syscalls/syscall_64.tbl | \ | |
146 | grep -v "^#" | awk '{ print $2,$3,$1 }' | sed -e '/^64/d' | \ | |
147 | awk '{ print $2"\t"$3 }' | sed '/^[ \t]*$/d' | sort | |
148 | } | |
149 | ||
150 | # | |
151 | # Dump the x32 library syscall table | |
152 | # | |
153 | # Dump the library's syscall table to stdout. | |
154 | # | |
155 | function dump_lib_x32() { | |
156 | # 1073741824 == 0x40000000 | |
157 | dump_lib_arch x32 1073741824 | |
158 | } | |
159 | ||
160 | # | |
161 | # Dump the arm system syscall table | |
162 | # | |
163 | # Arguments: | |
164 | # 1 path to the kernel source | |
165 | # | |
166 | # Dump the architecture's syscall table to stdout. | |
167 | # | |
168 | function dump_sys_arm() { | |
169 | # NOTE: arm_sync_file_range() and sync_file_range2() share values | |
170 | gcc -E -dM -D__ARM_EABI__ $1/arch/arm/include/uapi/asm/unistd.h | \ | |
171 | grep "^#define __\(ARM_\)*NR_" | \ | |
172 | grep -v "^#define __NR_OABI_SYSCALL_BASE" | \ | |
173 | grep -v "^#define __NR_SYSCALL_BASE" | \ | |
174 | grep -v "^#define __ARM_NR_BASE" | \ | |
175 | sed -e 's/#define[ \t]\+__NR_\([^ \t]\+\)[ \t]\+(__NR_SYSCALL_BASE[ \t]*+[ \t]*\([0-9]\+\)).*/\1\t\2/;s/#define[ \t]\+__ARM_NR_\([^ \t]\+\)[ \t]\+(__ARM_NR_BASE[ \t]*+[ \t]*\([0-9]\+\)).*/\1\t983040 + \2/' | \ | |
176 | while read line; do \ | |
177 | if echo "$line" | grep -q "+"; then \ | |
178 | echo "$line" | awk '{ print $1"\t"$2+$4 }'; \ | |
179 | else \ | |
180 | echo "$line"; \ | |
181 | fi; \ | |
182 | done | \ | |
183 | sed -e '/#define __NR_sync_file_range2[ \t]\+__NR_arm_sync_file_range/d' | \ | |
184 | sort | |
185 | } | |
186 | ||
187 | # | |
188 | # Dump the arm library syscall table | |
189 | # | |
190 | # Dump the library's syscall table to stdout. | |
191 | # | |
192 | function dump_lib_arm() { | |
193 | # NOTE: arm_sync_file_range() and sync_file_range2() share values | |
194 | dump_lib_arch arm | sed -e '/sync_file_range2[ \t]\+341/d' | |
195 | } | |
196 | ||
197 | # | |
198 | # Dump the aarch64 system syscall table | |
199 | # | |
200 | # Arguments: | |
201 | # 1 path to the kernel source | |
202 | # | |
203 | # Dump the architecture's syscall table to stdout. | |
204 | # | |
205 | function dump_sys_aarch64() { | |
206 | gcc -E -dM -I$1/include/uapi -D__BITS_PER_LONG=64 $1/include/uapi/asm-generic/unistd.h | \ | |
207 | grep "^#define __NR_" | \ | |
208 | sed -e '/__NR_syscalls/d' | \ | |
209 | sed -e '/__NR_arch_specific_syscall/d' | \ | |
210 | sed -e 's/#define[ \t]\+__NR_\([^ \t]\+\)[ \t]\+\(.*\)/\1\t\2/' | \ | |
211 | sed -e 's/__NR3264_statfs/43/' | \ | |
212 | sed -e 's/__NR3264_ftruncate/46/' | \ | |
213 | sed -e 's/__NR3264_truncate/45/' | \ | |
214 | sed -e 's/__NR3264_lseek/62/' | \ | |
215 | sed -e 's/__NR3264_sendfile/71/' | \ | |
216 | sed -e 's/__NR3264_fstatat/79/' | \ | |
217 | sed -e 's/__NR3264_fstatfs/44/' | \ | |
218 | sed -e 's/__NR3264_fcntl/25/' | \ | |
219 | sed -e 's/__NR3264_fadvise64/223/' | \ | |
220 | sed -e 's/__NR3264_mmap/222/' | \ | |
221 | sed -e 's/__NR3264_fstat/80/' | \ | |
222 | sed -e 's/__NR3264_lstat/1039/' | \ | |
223 | sed -e 's/__NR3264_stat/1038/' | \ | |
224 | sort | |
225 | } | |
226 | ||
227 | # | |
228 | # Dump the aarch64 library syscall table | |
229 | # | |
230 | # Dump the library's syscall table to stdout. | |
231 | # | |
232 | function dump_lib_aarch64() { | |
233 | dump_lib_arch aarch64 | |
234 | } | |
235 | ||
236 | # | |
237 | # Dump the mips system syscall table | |
238 | # | |
239 | # Arguments: | |
240 | # 1 path to the kernel source | |
241 | # | |
242 | # Dump the architecture's syscall table to stdout. | |
243 | # | |
244 | function dump_sys_mips() { | |
245 | # _MIPS_SIM values: | |
246 | # _MIPS_SIM_ABI32 == 1 | |
247 | # _MIPS_SIM_NABI32 == 2 | |
248 | # _MIPS_SIM_ABI64 == 3 | |
249 | gcc -E -dM -I$1/arch/mips/include/uapi -D_MIPS_SIM=1 $1/arch/mips/include/uapi/asm/unistd.h | \ | |
250 | grep "^#define __NR_" | \ | |
251 | grep -v "^#define __NR_O32_" | \ | |
252 | grep -v "^#define __NR_N32_" | \ | |
253 | grep -v "^#define __NR_64_" | \ | |
254 | grep -v "^#define __NR_Linux" | \ | |
255 | grep -v "^#define __NR_unused" | \ | |
256 | grep -v "^#define __NR_reserved" | \ | |
257 | sed -e 's/#define[ \t]\+__NR_\([^ \t]\+\)[ \t]\+(__NR_Linux[ \t]*+[ \t]*\([0-9]\+\)).*/\1\t\2/' | \ | |
258 | sort | |
259 | } | |
260 | ||
261 | # | |
262 | # Dump the mips library syscall table | |
263 | # | |
264 | # Dump the library's syscall table to stdout. | |
265 | # | |
266 | function dump_lib_mips() { | |
267 | dump_lib_arch mips 4000 | |
268 | } | |
269 | ||
270 | # | |
271 | # Dump the mips64 system syscall table | |
272 | # | |
273 | # Arguments: | |
274 | # 1 path to the kernel source | |
275 | # | |
276 | # Dump the architecture's syscall table to stdout. | |
277 | # | |
278 | function dump_sys_mips64() { | |
279 | # _MIPS_SIM values: | |
280 | # _MIPS_SIM_ABI32 == 1 | |
281 | # _MIPS_SIM_NABI32 == 2 | |
282 | # _MIPS_SIM_ABI64 == 3 | |
283 | gcc -E -dM -I$1/arch/mips/include/uapi -D_MIPS_SIM=3 $1/arch/mips/include/uapi/asm/unistd.h | \ | |
284 | grep "^#define __NR_" | \ | |
285 | grep -v "^#define __NR_O32_" | \ | |
286 | grep -v "^#define __NR_N32_" | \ | |
287 | grep -v "^#define __NR_64_" | \ | |
288 | grep -v "^#define __NR_Linux" | \ | |
289 | grep -v "^#define __NR_unused" | \ | |
290 | grep -v "^#define __NR_reserved" | \ | |
291 | sed -e 's/#define[ \t]\+__NR_\([^ \t]\+\)[ \t]\+(__NR_Linux[ \t]*+[ \t]*\([0-9]\+\)).*/\1\t\2/' | \ | |
292 | sort | |
293 | } | |
294 | ||
295 | # | |
296 | # Dump the mips64 library syscall table | |
297 | # | |
298 | # Dump the library's syscall table to stdout. | |
299 | # | |
300 | function dump_lib_mips64() { | |
301 | dump_lib_arch mips64 5000 | |
302 | } | |
303 | ||
304 | # | |
305 | # Dump the mips64n32 system syscall table | |
306 | # | |
307 | # Arguments: | |
308 | # 1 path to the kernel source | |
309 | # | |
310 | # Dump the architecture's syscall table to stdout. | |
311 | # | |
312 | function dump_sys_mips64n32() { | |
313 | # _MIPS_SIM values: | |
314 | # _MIPS_SIM_ABI32 == 1 | |
315 | # _MIPS_SIM_NABI32 == 2 | |
316 | # _MIPS_SIM_ABI64 == 3 | |
317 | gcc -E -dM -I$1/arch/mips/include/uapi -D_MIPS_SIM=2 $1/arch/mips/include/uapi/asm/unistd.h | \ | |
318 | grep "^#define __NR_" | \ | |
319 | grep -v "^#define __NR_O32_" | \ | |
320 | grep -v "^#define __NR_N32_" | \ | |
321 | grep -v "^#define __NR_64_" | \ | |
322 | grep -v "^#define __NR_Linux" | \ | |
323 | grep -v "^#define __NR_unused" | \ | |
324 | grep -v "^#define __NR_reserved" | \ | |
325 | sed -e 's/#define[ \t]\+__NR_\([^ \t]\+\)[ \t]\+(__NR_Linux[ \t]*+[ \t]*\([0-9]\+\)).*/\1\t\2/' | \ | |
326 | sort | |
327 | } | |
328 | ||
329 | # | |
330 | # Dump the mips64n32 library syscall table | |
331 | # | |
332 | # Dump the library's syscall table to stdout. | |
333 | # | |
334 | function dump_lib_mips64n32() { | |
335 | dump_lib_arch mips64n32 6000 | |
336 | } | |
337 | ||
338 | # | |
339 | # Dump the ppc system syscall table | |
340 | # | |
341 | # Arguments: | |
342 | # 1 path to the kernel source | |
343 | # | |
344 | # Dump the architecture's syscall table to stdout. | |
345 | # | |
346 | function dump_sys_ppc() { | |
347 | gcc -E -dM $1/arch/powerpc/include/uapi/asm/unistd.h | \ | |
348 | grep "^#define __NR_" | \ | |
349 | sed -e 's/#define[ \t]\+__NR_\([a-z0-9_]\+\)[ \t]\+\([0-9]\+\)/\1\t\2/' | \ | |
350 | sort | |
351 | } | |
352 | ||
353 | # | |
354 | # Dump the ppc library syscall table | |
355 | # | |
356 | # Dump the library's syscall table to stdout. | |
357 | # | |
358 | function dump_lib_ppc() { | |
359 | dump_lib_arch ppc | |
360 | } | |
361 | ||
362 | # | |
363 | # Dump the ppc64 system syscall table | |
364 | # | |
365 | # Arguments: | |
366 | # 1 path to the kernel source | |
367 | # | |
368 | # Dump the architecture's syscall table to stdout. | |
369 | # | |
370 | function dump_sys_ppc64() { | |
371 | gcc -E -dM -D__powerpc64__ $1/arch/powerpc/include/uapi/asm/unistd.h | \ | |
372 | grep "^#define __NR_" | \ | |
373 | sed -e 's/#define[ \t]\+__NR_\([a-z0-9_]\+\)[ \t]\+\([0-9]\+\)/\1\t\2/' | \ | |
374 | sort | |
375 | } | |
376 | ||
377 | # | |
378 | # Dump the ppc64 library syscall table | |
379 | # | |
380 | # Dump the library's syscall table to stdout. | |
381 | # | |
382 | function dump_lib_ppc64() { | |
383 | dump_lib_arch ppc64 | |
384 | } | |
385 | ||
386 | # | |
387 | # Dump the s390 system syscall table | |
388 | # | |
389 | # Arguments: | |
390 | # 1 path to the kernel source | |
391 | # | |
392 | # Dump the architecture's syscall table to stdout. | |
393 | # | |
394 | function dump_sys_s390() { | |
395 | gcc -E -dM $1/arch/s390/include/uapi/asm/unistd.h | grep __NR | \ | |
396 | sed -e 's/#define[ \t]\+__NR_\([^ \t]\+\)[ \t]\+(__NR_timer_create[ \t]*+[ \t]*\([0-9]\+\)).*/\1\t254 + \2/' | \ | |
397 | while read line; do \ | |
398 | if echo "$line" | grep -q "+"; then \ | |
399 | echo "$line" | awk '{ print $1"\t"$2+$4 }'; \ | |
400 | else \ | |
401 | echo "$line"; \ | |
402 | fi; \ | |
403 | done | \ | |
404 | sed 's/#define __NR_//g' | sed 's/ /\t/g' | sort | |
405 | } | |
406 | ||
407 | # | |
408 | # Dump the s390 library syscall table | |
409 | # | |
410 | # Dump the library's syscall table to stdout. | |
411 | # | |
412 | function dump_lib_s390() { | |
413 | dump_lib_arch s390 | |
414 | } | |
415 | ||
416 | # | |
417 | # Dump the s390x system syscall table | |
418 | # | |
419 | # Arguments: | |
420 | # 1 path to the kernel source | |
421 | # | |
422 | # Dump the architecture's syscall table to stdout. | |
423 | # | |
424 | function dump_sys_s390x() { | |
425 | gcc -E -dM -D __s390x__ $1/arch/s390/include/uapi/asm/unistd.h | grep __NR | \ | |
426 | sed -e 's/#define[ \t]\+__NR_\([^ \t]\+\)[ \t]\+(__NR_timer_create[ \t]*+[ \t]*\([0-9]\+\)).*/\1\t254 + \2/' | \ | |
427 | while read line; do \ | |
428 | if echo "$line" | grep -q "+"; then \ | |
429 | echo "$line" | awk '{ print $1"\t"$2+$4 }'; \ | |
430 | else \ | |
431 | echo "$line"; \ | |
432 | fi; \ | |
433 | done | \ | |
434 | sed 's/#define __NR_//g' | sed 's/ /\t/g' | sort | |
435 | } | |
436 | ||
437 | # | |
438 | # Dump the s390x library syscall table | |
439 | # | |
440 | # Dump the library's syscall table to stdout. | |
441 | # | |
442 | function dump_lib_s390x() { | |
443 | dump_lib_arch s390x | |
444 | } | |
445 | ||
446 | # | |
447 | # Dump the system syscall table | |
448 | # | |
449 | # Arguments: | |
450 | # 1 architecture | |
451 | # 2 path to the kernel source | |
452 | # | |
453 | # Dump the system's syscall table to stdout using the given architecture. | |
454 | # | |
455 | function dump_sys() { | |
456 | case $1 in | |
457 | x86) | |
458 | dump_sys_x86 "$2" | |
459 | ;; | |
460 | x86_64) | |
461 | dump_sys_x86_64 "$2" | |
462 | ;; | |
463 | x32) | |
464 | dump_sys_x32 "$2" | |
465 | ;; | |
466 | arm) | |
467 | dump_sys_arm "$2" | |
468 | ;; | |
469 | aarch64) | |
470 | dump_sys_aarch64 "$2" | |
471 | ;; | |
472 | mips) | |
473 | dump_sys_mips "$2" | |
474 | ;; | |
475 | mips64) | |
476 | dump_sys_mips64 "$2" | |
477 | ;; | |
478 | mips64n32) | |
479 | dump_sys_mips64n32 "$2" | |
480 | ;; | |
481 | ppc) | |
482 | dump_sys_ppc "$2" | |
483 | ;; | |
484 | ppc64) | |
485 | dump_sys_ppc64 "$2" | |
486 | ;; | |
487 | s390) | |
488 | dump_sys_s390 "$2" | |
489 | ;; | |
490 | s390x) | |
491 | dump_sys_s390x "$2" | |
492 | ;; | |
493 | *) | |
494 | echo "" | |
495 | return 1 | |
496 | ;; | |
497 | esac | |
498 | ||
499 | return 0 | |
500 | } | |
501 | ||
502 | # | |
503 | # Dump the library syscall table | |
504 | # | |
505 | # Arguments: | |
506 | # 1 architecture | |
507 | # | |
508 | # Dump the library's syscall table to stdout using the given architecture. | |
509 | # | |
510 | function dump_lib() { | |
511 | case $1 in | |
512 | x86) | |
513 | dump_lib_x86 | |
514 | ;; | |
515 | x86_64) | |
516 | dump_lib_x86_64 | |
517 | ;; | |
518 | x32) | |
519 | dump_lib_x32 | |
520 | ;; | |
521 | arm) | |
522 | dump_lib_arm | |
523 | ;; | |
524 | aarch64) | |
525 | dump_lib_aarch64 | |
526 | ;; | |
527 | mips) | |
528 | dump_lib_mips | |
529 | ;; | |
530 | mips64) | |
531 | dump_lib_mips64 | |
532 | ;; | |
533 | mips64n32) | |
534 | dump_lib_mips64n32 | |
535 | ;; | |
536 | ppc) | |
537 | dump_lib_ppc "$2" | |
538 | ;; | |
539 | ppc64) | |
540 | dump_lib_ppc64 "$2" | |
541 | ;; | |
542 | s390) | |
543 | dump_lib_s390 "$2" | |
544 | ;; | |
545 | s390x) | |
546 | dump_lib_s390x "$2" | |
547 | ;; | |
548 | *) | |
549 | echo "" | |
550 | return 1 | |
551 | ;; | |
552 | esac | |
553 | ||
554 | return 0 | |
555 | } | |
556 | ||
557 | #### | |
558 | # main | |
559 | ||
560 | verify_deps diff | |
561 | verify_deps gcc | |
562 | verify_deps grep | |
563 | verify_deps mktemp | |
564 | verify_deps sed | |
565 | if [[ ! -x $LIB_SYS_DUMP ]]; then | |
566 | echo "error: \"$LIB_SYS_DUMP\" is not in the current working directory" | |
567 | exit 1 | |
568 | fi | |
569 | ||
570 | opt_arches="" | |
571 | opt_sys="" | |
572 | opt_lib="" | |
573 | ||
574 | while getopts "a:slh" opt; do | |
575 | case $opt in | |
576 | a) | |
577 | opt_arches+="$OPTARG " | |
578 | ;; | |
579 | s) | |
580 | opt_sys=1 | |
581 | opt_lib=0 | |
582 | ;; | |
583 | l) | |
584 | opt_sys=0 | |
585 | opt_lib=1 | |
586 | ;; | |
587 | h|*) | |
588 | usage | |
589 | exit 1 | |
590 | ;; | |
591 | esac | |
592 | done | |
593 | shift $(($OPTIND - 1)) | |
594 | ||
595 | # defaults | |
596 | if [[ $opt_arches == "" ]]; then | |
597 | opt_arches=" \ | |
598 | x86 x86_64 x32 \ | |
599 | arm aarch64 \ | |
600 | mips mips64 mips64n32 \ | |
601 | ppc ppc64 \ | |
602 | s390 s390x" | |
603 | fi | |
604 | ||
605 | # sanity checks | |
606 | kernel_dir="$1" | |
607 | if [[ -z $kernel_dir ]]; then | |
608 | usage | |
609 | exit 1 | |
610 | fi | |
611 | if [[ ! -d $kernel_dir ]]; then | |
612 | echo "error: \"$1\" is not a valid directory" | |
613 | exit 1 | |
614 | fi | |
615 | ||
616 | # generate some temp files | |
617 | tmp_lib=$(mktemp -t syscall_validate_XXXXXX) | |
618 | tmp_sys=$(mktemp -t syscall_validate_XXXXXX) | |
619 | ||
620 | # loop through the architectures and compare | |
621 | for i in $opt_arches; do | |
622 | # dump the syscall tables | |
623 | dump_lib $i > $tmp_lib | |
624 | if [[ $? -ne 0 ]]; then | |
625 | echo "error: unknown arch $i" | |
626 | exit 1 | |
627 | fi | |
628 | dump_sys $i "$kernel_dir" > $tmp_sys | |
629 | if [[ $? -ne 0 ]]; then | |
630 | echo "error: unknown arch $i" | |
631 | exit 1 | |
632 | fi | |
633 | ||
634 | if [[ $opt_lib -eq 1 ]]; then | |
635 | cat $tmp_lib | |
636 | elif [[ $opt_sys -eq 1 ]]; then | |
637 | cat $tmp_sys | |
638 | else | |
639 | # compare the lib and sys output | |
640 | diff -u --label="$i [library]" $tmp_lib \ | |
641 | --label "$i [system]" $tmp_sys | |
642 | fi | |
643 | done | |
644 | ||
645 | # cleanup and exit | |
646 | rm -f $tmp_lib $tmp_sys | |
647 | ||
648 | exit 0 |