linux/kernel/bpf/disasm.h
Jakub Kicinski 48b3256326 bpf: annotate bpf_insn_print_t with __printf
Functions of type bpf_insn_print_t take printf-like format
string, mark the type accordingly.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-01-17 01:15:05 +01:00

52 lines
1.5 KiB
C

/* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
* Copyright (c) 2016 Facebook
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program 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
* General Public License for more details.
*/
#ifndef __BPF_DISASM_H__
#define __BPF_DISASM_H__
#include <linux/bpf.h>
#include <linux/kernel.h>
#include <linux/stringify.h>
#ifndef __KERNEL__
#include <stdio.h>
#include <string.h>
#endif
struct bpf_verifier_env;
extern const char *const bpf_alu_string[16];
extern const char *const bpf_class_string[8];
const char *func_id_name(int id);
typedef __printf(2, 3) void (*bpf_insn_print_t)(struct bpf_verifier_env *env,
const char *, ...);
typedef const char *(*bpf_insn_revmap_call_t)(void *private_data,
const struct bpf_insn *insn);
typedef const char *(*bpf_insn_print_imm_t)(void *private_data,
const struct bpf_insn *insn,
__u64 full_imm);
struct bpf_insn_cbs {
bpf_insn_print_t cb_print;
bpf_insn_revmap_call_t cb_call;
bpf_insn_print_imm_t cb_imm;
void *private_data;
};
void print_bpf_insn(const struct bpf_insn_cbs *cbs,
struct bpf_verifier_env *env,
const struct bpf_insn *insn,
bool allow_ptr_leaks);
#endif