static int do_version(int argc, char **argv)
{
if (json_output) {
jsonw_start_object(json_wtr);
jsonw_name(json_wtr, "version");
jsonw_printf(json_wtr, "\"%s\"", BPFTOOL_VERSION);
jsonw_end_object(json_wtr);
} else {
printf("%s v%s\n", bin_name, BPFTOOL_VERSION);
}
return 0;
}
static void _bridge_print_timer(FILE *f,
const char *attr,
struct rtattr *timer)
{
struct timeval tv;
__jiffies_to_tv(&tv, rta_getattr_u64(timer));
if (is_json_context()) {
json_writer_t *jw = get_json_writer();
jsonw_name(jw, attr);
jsonw_printf(jw, "%i.%.2i",
(int)tv.tv_sec,
(int)tv.tv_usec / 10000);
} else {
fprintf(f, "%s %4i.%.2i ", attr, (int)tv.tv_sec,
(int)tv.tv_usec / 10000);
}
}
void dump_xlated_json(struct dump_data *dd, void *buf, unsigned int len,
bool opcodes, bool linum)
{
const struct bpf_prog_linfo *prog_linfo = dd->prog_linfo;
const struct bpf_insn_cbs cbs = {
.cb_print = print_insn_json,
.cb_call = print_call,
.cb_imm = print_imm,
.private_data = dd,
};
struct bpf_func_info *record;
struct bpf_insn *insn = buf;
struct btf *btf = dd->btf;
bool double_insn = false;
unsigned int nr_skip = 0;
char func_sig[1024];
unsigned int i;
jsonw_start_array(json_wtr);
record = dd->func_info;
for (i = 0; i < len / sizeof(*insn); i++) {
if (double_insn) {
double_insn = false;
continue;
}
double_insn = insn[i].code == (BPF_LD | BPF_IMM | BPF_DW);
jsonw_start_object(json_wtr);
if (btf && record) {
if (record->insn_off == i) {
btf_dumper_type_only(btf, record->type_id,
func_sig,
sizeof(func_sig));
if (func_sig[0] != '\0') {
jsonw_name(json_wtr, "proto");
jsonw_string(json_wtr, func_sig);
}
record = (void *)record + dd->finfo_rec_size;
}
}
if (prog_linfo) {
const struct bpf_line_info *linfo;
linfo = bpf_prog_linfo__lfind(prog_linfo, i, nr_skip);
if (linfo) {
btf_dump_linfo_json(btf, linfo, linum);
nr_skip++;
}
}
jsonw_name(json_wtr, "disasm");
print_bpf_insn(&cbs, insn + i, true);
if (opcodes) {
jsonw_name(json_wtr, "opcodes");
jsonw_start_object(json_wtr);
jsonw_name(json_wtr, "code");
jsonw_printf(json_wtr, "\"0x%02hhx\"", insn[i].code);
jsonw_name(json_wtr, "src_reg");
jsonw_printf(json_wtr, "\"0x%hhx\"", insn[i].src_reg);
jsonw_name(json_wtr, "dst_reg");
jsonw_printf(json_wtr, "\"0x%hhx\"", insn[i].dst_reg);
jsonw_name(json_wtr, "off");
print_hex_data_json((uint8_t *)(&insn[i].off), 2);
jsonw_name(json_wtr, "imm");
if (double_insn && i < len - 1)
print_hex_data_json((uint8_t *)(&insn[i].imm),
12);
else
print_hex_data_json((uint8_t *)(&insn[i].imm),
4);
jsonw_end_object(json_wtr);
}
jsonw_end_object(json_wtr);
}
jsonw_end_array(json_wtr);
}
void jsonw_s64(json_writer_t *self, int64_t num)
{
jsonw_printf(self, "%"PRId64, num);
}
void jsonw_int(json_writer_t *self, int num)
{
jsonw_printf(self, "%d", num);
}
void jsonw_lluint(json_writer_t *self, unsigned long long num)
{
jsonw_printf(self, "%llu", num);
}
void jsonw_xint(json_writer_t *self, uint64_t num)
{
jsonw_printf(self, "%"PRIx64, num);
}
void jsonw_u64(json_writer_t *self, uint64_t num)
{
jsonw_printf(self, "%"PRIu64, num);
}
void jsonw_uint(json_writer_t *self, unsigned int num)
{
jsonw_printf(self, "%u", num);
}
void jsonw_hu(json_writer_t *self, unsigned short num)
{
jsonw_printf(self, "%hu", num);
}
void jsonw_hhu(json_writer_t *self, unsigned char num)
{
jsonw_printf(self, "%hhu", num);
}
void jsonw_float(json_writer_t *self, double num)
{
jsonw_printf(self, "%g", num);
}
void jsonw_null(json_writer_t *self)
{
jsonw_printf(self, "null");
}
void jsonw_bool(json_writer_t *self, bool val)
{
jsonw_printf(self, "%s", val ? "true" : "false");
}
void jsonw_float_fmt(json_writer_t *self, const char *fmt, double num)
{
jsonw_printf(self, fmt, num);
}
