Commit | Line | Data |
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249b812d AS |
1 | #ifndef __BPF_LOAD_H |
2 | #define __BPF_LOAD_H | |
3 | ||
4 | #define MAX_MAPS 32 | |
5 | #define MAX_PROGS 32 | |
6 | ||
7 | extern int map_fd[MAX_MAPS]; | |
8 | extern int prog_fd[MAX_PROGS]; | |
b896c4f9 | 9 | extern int event_fd[MAX_PROGS]; |
249b812d AS |
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 | */ | |
23 | int load_bpf_file(char *path); | |
24 | ||
b896c4f9 | 25 | void read_trace_pipe(void); |
3622e7e4 AS |
26 | struct ksym { |
27 | long addr; | |
28 | char *name; | |
29 | }; | |
b896c4f9 | 30 | |
3622e7e4 AS |
31 | int load_kallsyms(void); |
32 | struct ksym *ksym_search(long key); | |
249b812d | 33 | #endif |