1#ifndef __BPF_LOAD_H 2#define __BPF_LOAD_H 3 4#define MAX_MAPS 32 5#define MAX_PROGS 32 6 7extern int map_fd[MAX_MAPS]; 8extern int prog_fd[MAX_PROGS]; 9extern int event_fd[MAX_PROGS]; 10 11/* parses elf file compiled by llvm .c->.o 12 * . parses 'maps' section and creates maps via BPF syscall 13 * . parses 'license' section and passes it to syscall 14 * . parses elf relocations for BPF maps and adjusts BPF_LD_IMM64 insns by 15 * storing map_fd into insn->imm and marking such insns as BPF_PSEUDO_MAP_FD 16 * . loads eBPF programs via BPF syscall 17 * 18 * One ELF file can contain multiple BPF programs which will be loaded 19 * and their FDs stored stored in prog_fd array 20 * 21 * returns zero on success 22 */ 23int load_bpf_file(char *path); 24 25void read_trace_pipe(void); 26 27#endif 28