7 extern int map_fd[MAX_MAPS];
8 extern int prog_fd[MAX_PROGS];
9 extern int event_fd[MAX_PROGS];
12 /* parses elf file compiled by llvm .c->.o
13 * . parses 'maps' section and creates maps via BPF syscall
14 * . parses 'license' section and passes it to syscall
15 * . parses elf relocations for BPF maps and adjusts BPF_LD_IMM64 insns by
16 * storing map_fd into insn->imm and marking such insns as BPF_PSEUDO_MAP_FD
17 * . loads eBPF programs via BPF syscall
19 * One ELF file can contain multiple BPF programs which will be loaded
20 * and their FDs stored stored in prog_fd array
22 * returns zero on success
24 int load_bpf_file(char *path);
26 void read_trace_pipe(void);
32 int load_kallsyms(void);
33 struct ksym *ksym_search(long key);
34 int set_link_xdp_fd(int ifindex, int fd);