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1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2/* Copyright (C) 2017-2018 Netronome Systems, Inc. */
3
4#include <ctype.h>
5#include <errno.h>
6#include <getopt.h>
7#include <linux/bpf.h>
8#include <stdio.h>
9#include <stdlib.h>
10#include <string.h>
11
12#include <bpf/bpf.h>
13#include <bpf/libbpf.h>
14#include <bpf/btf.h>
15
16#include "main.h"
17
18#define BATCH_LINE_LEN_MAX 65536
19#define BATCH_ARG_NB_MAX 4096
20
21const char *bin_name;
22static int last_argc;
23static char **last_argv;
24static int (*last_do_help)(int argc, char **argv);
25json_writer_t *json_wtr;
26bool pretty_output;
27bool json_output;
28bool show_pinned;
29bool block_mount;
30bool verifier_logs;
31bool relaxed_maps;
32bool use_loader;
33struct btf *base_btf;
34struct pinned_obj_table prog_table;
35struct pinned_obj_table map_table;
36struct pinned_obj_table link_table;
37struct obj_refs_table refs_table;
38
39static void __noreturn clean_and_exit(int i)
40{
41 if (json_output)
42 jsonw_destroy(&json_wtr);
43
44 exit(i);
45}
46
47void usage(void)
48{
49 last_do_help(last_argc - 1, last_argv + 1);
50
51 clean_and_exit(-1);
52}
53
54static int do_help(int argc, char **argv)
55{
56 if (json_output) {
57 jsonw_null(json_wtr);
58 return 0;
59 }
60
61 fprintf(stderr,
62 "Usage: %s [OPTIONS] OBJECT { COMMAND | help }\n"
63 " %s batch file FILE\n"
64 " %s version\n"
65 "\n"
66 " OBJECT := { prog | map | link | cgroup | perf | net | feature | btf | gen | struct_ops | iter }\n"
67 " " HELP_SPEC_OPTIONS "\n"
68 "",
69 bin_name, bin_name, bin_name);
70
71 return 0;
72}
73
74static int do_version(int argc, char **argv)
75{
76#ifdef HAVE_LIBBFD_SUPPORT
77 const bool has_libbfd = true;
78#else
79 const bool has_libbfd = false;
80#endif
81#ifdef BPFTOOL_WITHOUT_SKELETONS
82 const bool has_skeletons = false;
83#else
84 const bool has_skeletons = true;
85#endif
86
87 if (json_output) {
88 jsonw_start_object(json_wtr); /* root object */
89
90 jsonw_name(json_wtr, "version");
91 jsonw_printf(json_wtr, "\"%s\"", BPFTOOL_VERSION);
92
93 jsonw_name(json_wtr, "features");
94 jsonw_start_object(json_wtr); /* features */
95 jsonw_bool_field(json_wtr, "libbfd", has_libbfd);
96 jsonw_bool_field(json_wtr, "skeletons", has_skeletons);
97 jsonw_end_object(json_wtr); /* features */
98
99 jsonw_end_object(json_wtr); /* root object */
100 } else {
101 unsigned int nb_features = 0;
102
103 printf("%s v%s\n", bin_name, BPFTOOL_VERSION);
104 printf("features:");
105 if (has_libbfd) {
106 printf(" libbfd");
107 nb_features++;
108 }
109 if (has_skeletons)
110 printf("%s skeletons", nb_features++ ? "," : "");
111 printf("\n");
112 }
113 return 0;
114}
115
116int cmd_select(const struct cmd *cmds, int argc, char **argv,
117 int (*help)(int argc, char **argv))
118{
119 unsigned int i;
120
121 last_argc = argc;
122 last_argv = argv;
123 last_do_help = help;
124
125 if (argc < 1 && cmds[0].func)
126 return cmds[0].func(argc, argv);
127
128 for (i = 0; cmds[i].cmd; i++) {
129 if (is_prefix(*argv, cmds[i].cmd)) {
130 if (!cmds[i].func) {
131 p_err("command '%s' is not supported in bootstrap mode",
132 cmds[i].cmd);
133 return -1;
134 }
135 return cmds[i].func(argc - 1, argv + 1);
136 }
137 }
138
139 help(argc - 1, argv + 1);
140
141 return -1;
142}
143
144bool is_prefix(const char *pfx, const char *str)
145{
146 if (!pfx)
147 return false;
148 if (strlen(str) < strlen(pfx))
149 return false;
150
151 return !memcmp(str, pfx, strlen(pfx));
152}
153
154/* Last argument MUST be NULL pointer */
155int detect_common_prefix(const char *arg, ...)
156{
157 unsigned int count = 0;
158 const char *ref;
159 char msg[256];
160 va_list ap;
161
162 snprintf(msg, sizeof(msg), "ambiguous prefix: '%s' could be '", arg);
163 va_start(ap, arg);
164 while ((ref = va_arg(ap, const char *))) {
165 if (!is_prefix(arg, ref))
166 continue;
167 count++;
168 if (count > 1)
169 strncat(msg, "' or '", sizeof(msg) - strlen(msg) - 1);
170 strncat(msg, ref, sizeof(msg) - strlen(msg) - 1);
171 }
172 va_end(ap);
173 strncat(msg, "'", sizeof(msg) - strlen(msg) - 1);
174
175 if (count >= 2) {
176 p_err("%s", msg);
177 return -1;
178 }
179
180 return 0;
181}
182
183void fprint_hex(FILE *f, void *arg, unsigned int n, const char *sep)
184{
185 unsigned char *data = arg;
186 unsigned int i;
187
188 for (i = 0; i < n; i++) {
189 const char *pfx = "";
190
191 if (!i)
192 /* nothing */;
193 else if (!(i % 16))
194 fprintf(f, "\n");
195 else if (!(i % 8))
196 fprintf(f, " ");
197 else
198 pfx = sep;
199
200 fprintf(f, "%s%02hhx", i ? pfx : "", data[i]);
201 }
202}
203
204/* Split command line into argument vector. */
205static int make_args(char *line, char *n_argv[], int maxargs, int cmd_nb)
206{
207 static const char ws[] = " \t\r\n";
208 char *cp = line;
209 int n_argc = 0;
210
211 while (*cp) {
212 /* Skip leading whitespace. */
213 cp += strspn(cp, ws);
214
215 if (*cp == '\0')
216 break;
217
218 if (n_argc >= (maxargs - 1)) {
219 p_err("too many arguments to command %d", cmd_nb);
220 return -1;
221 }
222
223 /* Word begins with quote. */
224 if (*cp == '\'' || *cp == '"') {
225 char quote = *cp++;
226
227 n_argv[n_argc++] = cp;
228 /* Find ending quote. */
229 cp = strchr(cp, quote);
230 if (!cp) {
231 p_err("unterminated quoted string in command %d",
232 cmd_nb);
233 return -1;
234 }
235 } else {
236 n_argv[n_argc++] = cp;
237
238 /* Find end of word. */
239 cp += strcspn(cp, ws);
240 if (*cp == '\0')
241 break;
242 }
243
244 /* Separate words. */
245 *cp++ = 0;
246 }
247 n_argv[n_argc] = NULL;
248
249 return n_argc;
250}
251
252static int do_batch(int argc, char **argv);
253
254static const struct cmd cmds[] = {
255 { "help", do_help },
256 { "batch", do_batch },
257 { "prog", do_prog },
258 { "map", do_map },
259 { "link", do_link },
260 { "cgroup", do_cgroup },
261 { "perf", do_perf },
262 { "net", do_net },
263 { "feature", do_feature },
264 { "btf", do_btf },
265 { "gen", do_gen },
266 { "struct_ops", do_struct_ops },
267 { "iter", do_iter },
268 { "version", do_version },
269 { 0 }
270};
271
272static int do_batch(int argc, char **argv)
273{
274 char buf[BATCH_LINE_LEN_MAX], contline[BATCH_LINE_LEN_MAX];
275 char *n_argv[BATCH_ARG_NB_MAX];
276 unsigned int lines = 0;
277 int n_argc;
278 FILE *fp;
279 char *cp;
280 int err = 0;
281 int i;
282
283 if (argc < 2) {
284 p_err("too few parameters for batch");
285 return -1;
286 } else if (!is_prefix(*argv, "file")) {
287 p_err("expected 'file', got: %s", *argv);
288 return -1;
289 } else if (argc > 2) {
290 p_err("too many parameters for batch");
291 return -1;
292 }
293 NEXT_ARG();
294
295 if (!strcmp(*argv, "-"))
296 fp = stdin;
297 else
298 fp = fopen(*argv, "r");
299 if (!fp) {
300 p_err("Can't open file (%s): %s", *argv, strerror(errno));
301 return -1;
302 }
303
304 if (json_output)
305 jsonw_start_array(json_wtr);
306 while (fgets(buf, sizeof(buf), fp)) {
307 cp = strchr(buf, '#');
308 if (cp)
309 *cp = '\0';
310
311 if (strlen(buf) == sizeof(buf) - 1) {
312 errno = E2BIG;
313 break;
314 }
315
316 /* Append continuation lines if any (coming after a line ending
317 * with '\' in the batch file).
318 */
319 while ((cp = strstr(buf, "\\\n")) != NULL) {
320 if (!fgets(contline, sizeof(contline), fp) ||
321 strlen(contline) == 0) {
322 p_err("missing continuation line on command %d",
323 lines);
324 err = -1;
325 goto err_close;
326 }
327
328 cp = strchr(contline, '#');
329 if (cp)
330 *cp = '\0';
331
332 if (strlen(buf) + strlen(contline) + 1 > sizeof(buf)) {
333 p_err("command %d is too long", lines);
334 err = -1;
335 goto err_close;
336 }
337 buf[strlen(buf) - 2] = '\0';
338 strcat(buf, contline);
339 }
340
341 n_argc = make_args(buf, n_argv, BATCH_ARG_NB_MAX, lines);
342 if (!n_argc)
343 continue;
344 if (n_argc < 0) {
345 err = n_argc;
346 goto err_close;
347 }
348
349 if (json_output) {
350 jsonw_start_object(json_wtr);
351 jsonw_name(json_wtr, "command");
352 jsonw_start_array(json_wtr);
353 for (i = 0; i < n_argc; i++)
354 jsonw_string(json_wtr, n_argv[i]);
355 jsonw_end_array(json_wtr);
356 jsonw_name(json_wtr, "output");
357 }
358
359 err = cmd_select(cmds, n_argc, n_argv, do_help);
360
361 if (json_output)
362 jsonw_end_object(json_wtr);
363
364 if (err)
365 goto err_close;
366
367 lines++;
368 }
369
370 if (errno && errno != ENOENT) {
371 p_err("reading batch file failed: %s", strerror(errno));
372 err = -1;
373 } else {
374 if (!json_output)
375 printf("processed %d commands\n", lines);
376 }
377err_close:
378 if (fp != stdin)
379 fclose(fp);
380
381 if (json_output)
382 jsonw_end_array(json_wtr);
383
384 return err;
385}
386
387int main(int argc, char **argv)
388{
389 static const struct option options[] = {
390 { "json", no_argument, NULL, 'j' },
391 { "help", no_argument, NULL, 'h' },
392 { "pretty", no_argument, NULL, 'p' },
393 { "version", no_argument, NULL, 'V' },
394 { "bpffs", no_argument, NULL, 'f' },
395 { "mapcompat", no_argument, NULL, 'm' },
396 { "nomount", no_argument, NULL, 'n' },
397 { "debug", no_argument, NULL, 'd' },
398 { "use-loader", no_argument, NULL, 'L' },
399 { "base-btf", required_argument, NULL, 'B' },
400 { 0 }
401 };
402 int opt, ret;
403
404 last_do_help = do_help;
405 pretty_output = false;
406 json_output = false;
407 show_pinned = false;
408 block_mount = false;
409 bin_name = argv[0];
410
411 hash_init(prog_table.table);
412 hash_init(map_table.table);
413 hash_init(link_table.table);
414
415 opterr = 0;
416 while ((opt = getopt_long(argc, argv, "VhpjfLmndB:",
417 options, NULL)) >= 0) {
418 switch (opt) {
419 case 'V':
420 return do_version(argc, argv);
421 case 'h':
422 return do_help(argc, argv);
423 case 'p':
424 pretty_output = true;
425 /* fall through */
426 case 'j':
427 if (!json_output) {
428 json_wtr = jsonw_new(stdout);
429 if (!json_wtr) {
430 p_err("failed to create JSON writer");
431 return -1;
432 }
433 json_output = true;
434 }
435 jsonw_pretty(json_wtr, pretty_output);
436 break;
437 case 'f':
438 show_pinned = true;
439 break;
440 case 'm':
441 relaxed_maps = true;
442 break;
443 case 'n':
444 block_mount = true;
445 break;
446 case 'd':
447 libbpf_set_print(print_all_levels);
448 verifier_logs = true;
449 break;
450 case 'B':
451 base_btf = btf__parse(optarg, NULL);
452 if (libbpf_get_error(base_btf)) {
453 p_err("failed to parse base BTF at '%s': %ld\n",
454 optarg, libbpf_get_error(base_btf));
455 base_btf = NULL;
456 return -1;
457 }
458 break;
459 case 'L':
460 use_loader = true;
461 break;
462 default:
463 p_err("unrecognized option '%s'", argv[optind - 1]);
464 if (json_output)
465 clean_and_exit(-1);
466 else
467 usage();
468 }
469 }
470
471 argc -= optind;
472 argv += optind;
473 if (argc < 0)
474 usage();
475
476 ret = cmd_select(cmds, argc, argv, do_help);
477
478 if (json_output)
479 jsonw_destroy(&json_wtr);
480
481 if (show_pinned) {
482 delete_pinned_obj_table(&prog_table);
483 delete_pinned_obj_table(&map_table);
484 delete_pinned_obj_table(&link_table);
485 }
486 btf__free(base_btf);
487
488 return ret;
489}
1/*
2 * Copyright (C) 2017 Netronome Systems, Inc.
3 *
4 * This software is dual licensed under the GNU General License Version 2,
5 * June 1991 as shown in the file COPYING in the top-level directory of this
6 * source tree or the BSD 2-Clause License provided below. You have the
7 * option to license this software under the complete terms of either license.
8 *
9 * The BSD 2-Clause License:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * 2. Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34/* Author: Jakub Kicinski <kubakici@wp.pl> */
35
36#include <bfd.h>
37#include <ctype.h>
38#include <errno.h>
39#include <getopt.h>
40#include <linux/bpf.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44
45#include <bpf.h>
46
47#include "main.h"
48
49#define BATCH_LINE_LEN_MAX 65536
50#define BATCH_ARG_NB_MAX 4096
51
52const char *bin_name;
53static int last_argc;
54static char **last_argv;
55static int (*last_do_help)(int argc, char **argv);
56json_writer_t *json_wtr;
57bool pretty_output;
58bool json_output;
59bool show_pinned;
60struct pinned_obj_table prog_table;
61struct pinned_obj_table map_table;
62
63static void __noreturn clean_and_exit(int i)
64{
65 if (json_output)
66 jsonw_destroy(&json_wtr);
67
68 exit(i);
69}
70
71void usage(void)
72{
73 last_do_help(last_argc - 1, last_argv + 1);
74
75 clean_and_exit(-1);
76}
77
78static int do_help(int argc, char **argv)
79{
80 if (json_output) {
81 jsonw_null(json_wtr);
82 return 0;
83 }
84
85 fprintf(stderr,
86 "Usage: %s [OPTIONS] OBJECT { COMMAND | help }\n"
87 " %s batch file FILE\n"
88 " %s version\n"
89 "\n"
90 " OBJECT := { prog | map | cgroup }\n"
91 " " HELP_SPEC_OPTIONS "\n"
92 "",
93 bin_name, bin_name, bin_name);
94
95 return 0;
96}
97
98static int do_version(int argc, char **argv)
99{
100 if (json_output) {
101 jsonw_start_object(json_wtr);
102 jsonw_name(json_wtr, "version");
103 jsonw_printf(json_wtr, "\"%s\"", BPFTOOL_VERSION);
104 jsonw_end_object(json_wtr);
105 } else {
106 printf("%s v%s\n", bin_name, BPFTOOL_VERSION);
107 }
108 return 0;
109}
110
111int cmd_select(const struct cmd *cmds, int argc, char **argv,
112 int (*help)(int argc, char **argv))
113{
114 unsigned int i;
115
116 last_argc = argc;
117 last_argv = argv;
118 last_do_help = help;
119
120 if (argc < 1 && cmds[0].func)
121 return cmds[0].func(argc, argv);
122
123 for (i = 0; cmds[i].func; i++)
124 if (is_prefix(*argv, cmds[i].cmd))
125 return cmds[i].func(argc - 1, argv + 1);
126
127 help(argc - 1, argv + 1);
128
129 return -1;
130}
131
132bool is_prefix(const char *pfx, const char *str)
133{
134 if (!pfx)
135 return false;
136 if (strlen(str) < strlen(pfx))
137 return false;
138
139 return !memcmp(str, pfx, strlen(pfx));
140}
141
142void fprint_hex(FILE *f, void *arg, unsigned int n, const char *sep)
143{
144 unsigned char *data = arg;
145 unsigned int i;
146
147 for (i = 0; i < n; i++) {
148 const char *pfx = "";
149
150 if (!i)
151 /* nothing */;
152 else if (!(i % 16))
153 fprintf(f, "\n");
154 else if (!(i % 8))
155 fprintf(f, " ");
156 else
157 pfx = sep;
158
159 fprintf(f, "%s%02hhx", i ? pfx : "", data[i]);
160 }
161}
162
163/* Split command line into argument vector. */
164static int make_args(char *line, char *n_argv[], int maxargs, int cmd_nb)
165{
166 static const char ws[] = " \t\r\n";
167 char *cp = line;
168 int n_argc = 0;
169
170 while (*cp) {
171 /* Skip leading whitespace. */
172 cp += strspn(cp, ws);
173
174 if (*cp == '\0')
175 break;
176
177 if (n_argc >= (maxargs - 1)) {
178 p_err("too many arguments to command %d", cmd_nb);
179 return -1;
180 }
181
182 /* Word begins with quote. */
183 if (*cp == '\'' || *cp == '"') {
184 char quote = *cp++;
185
186 n_argv[n_argc++] = cp;
187 /* Find ending quote. */
188 cp = strchr(cp, quote);
189 if (!cp) {
190 p_err("unterminated quoted string in command %d",
191 cmd_nb);
192 return -1;
193 }
194 } else {
195 n_argv[n_argc++] = cp;
196
197 /* Find end of word. */
198 cp += strcspn(cp, ws);
199 if (*cp == '\0')
200 break;
201 }
202
203 /* Separate words. */
204 *cp++ = 0;
205 }
206 n_argv[n_argc] = NULL;
207
208 return n_argc;
209}
210
211static int do_batch(int argc, char **argv);
212
213static const struct cmd cmds[] = {
214 { "help", do_help },
215 { "batch", do_batch },
216 { "prog", do_prog },
217 { "map", do_map },
218 { "cgroup", do_cgroup },
219 { "version", do_version },
220 { 0 }
221};
222
223static int do_batch(int argc, char **argv)
224{
225 char buf[BATCH_LINE_LEN_MAX], contline[BATCH_LINE_LEN_MAX];
226 char *n_argv[BATCH_ARG_NB_MAX];
227 unsigned int lines = 0;
228 int n_argc;
229 FILE *fp;
230 char *cp;
231 int err;
232 int i;
233
234 if (argc < 2) {
235 p_err("too few parameters for batch");
236 return -1;
237 } else if (!is_prefix(*argv, "file")) {
238 p_err("expected 'file', got: %s", *argv);
239 return -1;
240 } else if (argc > 2) {
241 p_err("too many parameters for batch");
242 return -1;
243 }
244 NEXT_ARG();
245
246 if (!strcmp(*argv, "-"))
247 fp = stdin;
248 else
249 fp = fopen(*argv, "r");
250 if (!fp) {
251 p_err("Can't open file (%s): %s", *argv, strerror(errno));
252 return -1;
253 }
254
255 if (json_output)
256 jsonw_start_array(json_wtr);
257 while (fgets(buf, sizeof(buf), fp)) {
258 cp = strchr(buf, '#');
259 if (cp)
260 *cp = '\0';
261
262 if (strlen(buf) == sizeof(buf) - 1) {
263 errno = E2BIG;
264 break;
265 }
266
267 /* Append continuation lines if any (coming after a line ending
268 * with '\' in the batch file).
269 */
270 while ((cp = strstr(buf, "\\\n")) != NULL) {
271 if (!fgets(contline, sizeof(contline), fp) ||
272 strlen(contline) == 0) {
273 p_err("missing continuation line on command %d",
274 lines);
275 err = -1;
276 goto err_close;
277 }
278
279 cp = strchr(contline, '#');
280 if (cp)
281 *cp = '\0';
282
283 if (strlen(buf) + strlen(contline) + 1 > sizeof(buf)) {
284 p_err("command %d is too long", lines);
285 err = -1;
286 goto err_close;
287 }
288 buf[strlen(buf) - 2] = '\0';
289 strcat(buf, contline);
290 }
291
292 n_argc = make_args(buf, n_argv, BATCH_ARG_NB_MAX, lines);
293 if (!n_argc)
294 continue;
295 if (n_argc < 0)
296 goto err_close;
297
298 if (json_output) {
299 jsonw_start_object(json_wtr);
300 jsonw_name(json_wtr, "command");
301 jsonw_start_array(json_wtr);
302 for (i = 0; i < n_argc; i++)
303 jsonw_string(json_wtr, n_argv[i]);
304 jsonw_end_array(json_wtr);
305 jsonw_name(json_wtr, "output");
306 }
307
308 err = cmd_select(cmds, n_argc, n_argv, do_help);
309
310 if (json_output)
311 jsonw_end_object(json_wtr);
312
313 if (err)
314 goto err_close;
315
316 lines++;
317 }
318
319 if (errno && errno != ENOENT) {
320 p_err("reading batch file failed: %s", strerror(errno));
321 err = -1;
322 } else {
323 p_info("processed %d commands", lines);
324 err = 0;
325 }
326err_close:
327 if (fp != stdin)
328 fclose(fp);
329
330 if (json_output)
331 jsonw_end_array(json_wtr);
332
333 return err;
334}
335
336int main(int argc, char **argv)
337{
338 static const struct option options[] = {
339 { "json", no_argument, NULL, 'j' },
340 { "help", no_argument, NULL, 'h' },
341 { "pretty", no_argument, NULL, 'p' },
342 { "version", no_argument, NULL, 'V' },
343 { "bpffs", no_argument, NULL, 'f' },
344 { 0 }
345 };
346 int opt, ret;
347
348 last_do_help = do_help;
349 pretty_output = false;
350 json_output = false;
351 show_pinned = false;
352 bin_name = argv[0];
353
354 hash_init(prog_table.table);
355 hash_init(map_table.table);
356
357 opterr = 0;
358 while ((opt = getopt_long(argc, argv, "Vhpjf",
359 options, NULL)) >= 0) {
360 switch (opt) {
361 case 'V':
362 return do_version(argc, argv);
363 case 'h':
364 return do_help(argc, argv);
365 case 'p':
366 pretty_output = true;
367 /* fall through */
368 case 'j':
369 if (!json_output) {
370 json_wtr = jsonw_new(stdout);
371 if (!json_wtr) {
372 p_err("failed to create JSON writer");
373 return -1;
374 }
375 json_output = true;
376 }
377 jsonw_pretty(json_wtr, pretty_output);
378 break;
379 case 'f':
380 show_pinned = true;
381 break;
382 default:
383 p_err("unrecognized option '%s'", argv[optind - 1]);
384 if (json_output)
385 clean_and_exit(-1);
386 else
387 usage();
388 }
389 }
390
391 argc -= optind;
392 argv += optind;
393 if (argc < 0)
394 usage();
395
396 bfd_init();
397
398 ret = cmd_select(cmds, argc, argv, do_help);
399
400 if (json_output)
401 jsonw_destroy(&json_wtr);
402
403 if (show_pinned) {
404 delete_pinned_obj_table(&prog_table);
405 delete_pinned_obj_table(&map_table);
406 }
407
408 return ret;
409}