diff options
Diffstat (limited to 'src/shared/bpf-dlopen.h')
| -rw-r--r-- | src/shared/bpf-dlopen.h | 53 |
1 files changed, 35 insertions, 18 deletions
diff --git a/src/shared/bpf-dlopen.h b/src/shared/bpf-dlopen.h index 0750abc..df12d08 100644 --- a/src/shared/bpf-dlopen.h +++ b/src/shared/bpf-dlopen.h @@ -7,27 +7,44 @@ #include <bpf/libbpf.h> #include "bpf-compat.h" +#include "dlfcn-util.h" -extern struct bpf_link* (*sym_bpf_program__attach_cgroup)(const struct bpf_program *, int); -extern struct bpf_link* (*sym_bpf_program__attach_lsm)(const struct bpf_program *); -extern int (*sym_bpf_link__fd)(const struct bpf_link *); -extern int (*sym_bpf_link__destroy)(struct bpf_link *); -extern int (*sym_bpf_map__fd)(const struct bpf_map *); -extern const char* (*sym_bpf_map__name)(const struct bpf_map *); -extern int (*sym_bpf_map__set_max_entries)(struct bpf_map *, __u32); -extern int (*sym_bpf_map_update_elem)(int, const void *, const void *, __u64); -extern int (*sym_bpf_map_delete_elem)(int, const void *); -extern int (*sym_bpf_map__set_inner_map_fd)(struct bpf_map *, int); +DLSYM_PROTOTYPE(bpf_link__destroy); +DLSYM_PROTOTYPE(bpf_link__fd); +DLSYM_PROTOTYPE(bpf_link__open); +DLSYM_PROTOTYPE(bpf_link__pin); +DLSYM_PROTOTYPE(bpf_map__fd); +DLSYM_PROTOTYPE(bpf_map__name); +DLSYM_PROTOTYPE(bpf_map__set_inner_map_fd); +DLSYM_PROTOTYPE(bpf_map__set_max_entries); +DLSYM_PROTOTYPE(bpf_map__set_pin_path); +DLSYM_PROTOTYPE(bpf_map_delete_elem); +DLSYM_PROTOTYPE(bpf_map_get_fd_by_id); +DLSYM_PROTOTYPE(bpf_map_lookup_elem); +DLSYM_PROTOTYPE(bpf_map_update_elem); /* The *_skeleton APIs are autogenerated by bpftool, the targets can be found * in ./build/src/core/bpf/socket_bind/socket-bind.skel.h */ -extern int (*sym_bpf_object__open_skeleton)(struct bpf_object_skeleton *, const struct bpf_object_open_opts *); -extern int (*sym_bpf_object__load_skeleton)(struct bpf_object_skeleton *); -extern int (*sym_bpf_object__attach_skeleton)(struct bpf_object_skeleton *); -extern void (*sym_bpf_object__detach_skeleton)(struct bpf_object_skeleton *); -extern void (*sym_bpf_object__destroy_skeleton)(struct bpf_object_skeleton *); -extern const char* (*sym_bpf_program__name)(const struct bpf_program *); -extern libbpf_print_fn_t (*sym_libbpf_set_print)(libbpf_print_fn_t); -extern long (*sym_libbpf_get_error)(const void *); +DLSYM_PROTOTYPE(bpf_object__attach_skeleton); +DLSYM_PROTOTYPE(bpf_object__destroy_skeleton); +DLSYM_PROTOTYPE(bpf_object__detach_skeleton); +DLSYM_PROTOTYPE(bpf_object__load_skeleton); +DLSYM_PROTOTYPE(bpf_object__name); +DLSYM_PROTOTYPE(bpf_object__open_skeleton); +DLSYM_PROTOTYPE(bpf_object__pin_maps); +DLSYM_PROTOTYPE(bpf_program__attach); +DLSYM_PROTOTYPE(bpf_program__attach_cgroup); +DLSYM_PROTOTYPE(bpf_program__attach_lsm); +DLSYM_PROTOTYPE(bpf_program__name); +DLSYM_PROTOTYPE(libbpf_set_print); +DLSYM_PROTOTYPE(ring_buffer__epoll_fd); +DLSYM_PROTOTYPE(ring_buffer__free); +DLSYM_PROTOTYPE(ring_buffer__new); +DLSYM_PROTOTYPE(ring_buffer__poll); + +/* libbpf sometimes returns error codes that make sense only in the kernel, like 524 for EOPNOTSUPP. Use + * this helper instead of libbpf_get_error() to ensure some of the known ones are translated into errnos + * we understand. */ +int bpf_get_error_translated(const void *ptr); #endif |