2 * Copyright (C) 2017 Netronome Systems, Inc.
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.
9 * The BSD 2-Clause License:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
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.
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
39 /* BFD and kernel.h both define GCC_VERSION, differently */
43 #include <linux/bpf.h>
44 #include <linux/kernel.h>
46 #include "json_writer.h"
48 #define err(msg...) fprintf(stderr, "Error: " msg)
49 #define warn(msg...) fprintf(stderr, "Warning: " msg)
50 #define info(msg...) fprintf(stderr, msg)
52 #define ptr_to_u64(ptr) ((__u64)(unsigned long)(ptr))
54 #define NEXT_ARG() ({ argc--; argv++; if (argc < 0) usage(); })
55 #define NEXT_ARGP() ({ (*argc)--; (*argv)++; if (*argc < 0) usage(); })
56 #define BAD_ARG() ({ err("what is '%s'?\n", *argv); -1; })
58 #define BPF_TAG_FMT "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
60 #define HELP_SPEC_PROGRAM \
61 "PROG := { id PROG_ID | pinned FILE | tag PROG_TAG }"
69 extern const char *bin_name;
71 extern json_writer_t *json_wtr;
72 extern bool json_output;
74 bool is_prefix(const char *pfx, const char *str);
75 void fprint_hex(FILE *f, void *arg, unsigned int n, const char *sep);
76 void usage(void) __attribute__((noreturn));
80 int (*func)(int argc, char **argv);
83 int cmd_select(const struct cmd *cmds, int argc, char **argv,
84 int (*help)(int argc, char **argv));
86 int get_fd_type(int fd);
87 const char *get_fd_type_name(enum bpf_obj_type type);
88 char *get_fdinfo(int fd, const char *key);
89 int open_obj_pinned_any(char *path, enum bpf_obj_type exp_type);
90 int do_pin_any(int argc, char **argv, int (*get_fd_by_id)(__u32));
92 int do_prog(int argc, char **arg);
93 int do_map(int argc, char **arg);
95 int prog_parse_fd(int *argc, char ***argv);
97 void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes);
98 void print_hex_data_json(uint8_t *data, size_t len);