From e6562db0423e6019154baf05beb02ff3da02f3bb Mon Sep 17 00:00:00 2001 From: Alice Frosi Date: Fri, 24 Mar 2023 16:08:46 +0100 Subject: Re-arrange repository structure --- debug/bpf_dbg.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 debug/bpf_dbg.c (limited to 'debug/bpf_dbg.c') diff --git a/debug/bpf_dbg.c b/debug/bpf_dbg.c new file mode 100644 index 0000000..b84c713 --- /dev/null +++ b/debug/bpf_dbg.c @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-3.0-or-later + * Copyright 2023 Red Hat GmbH + * Author: Alice Frosi + */ + +#include +#include +#include +#include +#include + +#include "disasm.h" + +int main(int argc, char **argv) +{ + struct sock_filter *filter; + size_t fd, n; + + if (argc < 2) { + perror("missing input file"); + exit(EXIT_FAILURE); + } + filter = calloc(SIZE_FILTER, sizeof(struct sock_filter)); + fd = open(argv[1], O_CLOEXEC | O_RDONLY); + + n = read(fd, filter, sizeof(struct sock_filter) * SIZE_FILTER); + close(fd); + printf("Read %ld entries\n", n / sizeof(struct sock_filter)); + bpf_disasm_all(filter, n / sizeof(struct sock_filter)); + free(filter); + return 0; +} -- cgit v1.2.3