mirror of
https://github.com/netdata/libbpf.git
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Symbols visibility (#3)
* Sync from bpf-next
Sync the following commits from bpf-next:
commit ab9e08482122 ("libbpf: Per-symbol visibility for DSO")
commit c034a177d3c8 ("bpf: bpftool, add flag to allow non-compat map definitions")
Signed-off-by: Andrey Ignatov <rdna@fb.com>
* Use -fvisibility=hidden by default for DSO
This is Makefile part of:
commit ab9e08482122 ("libbpf: Per-symbol visibility for DSO")
See original commit for details.
This commit is contained in:
Andrey Ignatov
committed by
yonghong-song
yonghong-song
parent
e5c75f8e94
commit
62706e5557
121
src/bpf.h
121
src/bpf.h
@@ -27,6 +27,10 @@
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#include <stdbool.h>
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#include <stddef.h>
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#ifndef LIBBPF_API
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#define LIBBPF_API __attribute__((visibility("default")))
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#endif
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struct bpf_create_map_attr {
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const char *name;
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enum bpf_map_type map_type;
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@@ -42,21 +46,24 @@ struct bpf_create_map_attr {
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__u32 inner_map_fd;
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};
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int bpf_create_map_xattr(const struct bpf_create_map_attr *create_attr);
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int bpf_create_map_node(enum bpf_map_type map_type, const char *name,
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int key_size, int value_size, int max_entries,
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__u32 map_flags, int node);
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int bpf_create_map_name(enum bpf_map_type map_type, const char *name,
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int key_size, int value_size, int max_entries,
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__u32 map_flags);
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int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size,
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int max_entries, __u32 map_flags);
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int bpf_create_map_in_map_node(enum bpf_map_type map_type, const char *name,
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int key_size, int inner_map_fd, int max_entries,
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__u32 map_flags, int node);
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int bpf_create_map_in_map(enum bpf_map_type map_type, const char *name,
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int key_size, int inner_map_fd, int max_entries,
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__u32 map_flags);
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LIBBPF_API int
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bpf_create_map_xattr(const struct bpf_create_map_attr *create_attr);
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LIBBPF_API int bpf_create_map_node(enum bpf_map_type map_type, const char *name,
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int key_size, int value_size,
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int max_entries, __u32 map_flags, int node);
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LIBBPF_API int bpf_create_map_name(enum bpf_map_type map_type, const char *name,
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int key_size, int value_size,
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int max_entries, __u32 map_flags);
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LIBBPF_API int bpf_create_map(enum bpf_map_type map_type, int key_size,
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int value_size, int max_entries, __u32 map_flags);
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LIBBPF_API int bpf_create_map_in_map_node(enum bpf_map_type map_type,
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const char *name, int key_size,
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int inner_map_fd, int max_entries,
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__u32 map_flags, int node);
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LIBBPF_API int bpf_create_map_in_map(enum bpf_map_type map_type,
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const char *name, int key_size,
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int inner_map_fd, int max_entries,
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__u32 map_flags);
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struct bpf_load_program_attr {
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enum bpf_prog_type prog_type;
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@@ -69,46 +76,54 @@ struct bpf_load_program_attr {
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__u32 prog_ifindex;
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};
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/* Flags to direct loading requirements */
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#define MAPS_RELAX_COMPAT 0x01
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/* Recommend log buffer size */
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#define BPF_LOG_BUF_SIZE (256 * 1024)
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int bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr,
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char *log_buf, size_t log_buf_sz);
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int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
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size_t insns_cnt, const char *license,
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__u32 kern_version, char *log_buf,
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size_t log_buf_sz);
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int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns,
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size_t insns_cnt, int strict_alignment,
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const char *license, __u32 kern_version,
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char *log_buf, size_t log_buf_sz, int log_level);
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LIBBPF_API int
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bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr,
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char *log_buf, size_t log_buf_sz);
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LIBBPF_API int bpf_load_program(enum bpf_prog_type type,
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const struct bpf_insn *insns, size_t insns_cnt,
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const char *license, __u32 kern_version,
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char *log_buf, size_t log_buf_sz);
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LIBBPF_API int bpf_verify_program(enum bpf_prog_type type,
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const struct bpf_insn *insns,
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size_t insns_cnt, int strict_alignment,
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const char *license, __u32 kern_version,
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char *log_buf, size_t log_buf_sz,
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int log_level);
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int bpf_map_update_elem(int fd, const void *key, const void *value,
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__u64 flags);
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LIBBPF_API int bpf_map_update_elem(int fd, const void *key, const void *value,
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__u64 flags);
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int bpf_map_lookup_elem(int fd, const void *key, void *value);
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int bpf_map_delete_elem(int fd, const void *key);
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int bpf_map_get_next_key(int fd, const void *key, void *next_key);
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int bpf_obj_pin(int fd, const char *pathname);
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int bpf_obj_get(const char *pathname);
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int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type,
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unsigned int flags);
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int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type);
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int bpf_prog_detach2(int prog_fd, int attachable_fd, enum bpf_attach_type type);
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int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size,
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void *data_out, __u32 *size_out, __u32 *retval,
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__u32 *duration);
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int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id);
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int bpf_map_get_next_id(__u32 start_id, __u32 *next_id);
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int bpf_prog_get_fd_by_id(__u32 id);
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int bpf_map_get_fd_by_id(__u32 id);
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int bpf_btf_get_fd_by_id(__u32 id);
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int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len);
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int bpf_prog_query(int target_fd, enum bpf_attach_type type, __u32 query_flags,
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__u32 *attach_flags, __u32 *prog_ids, __u32 *prog_cnt);
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int bpf_raw_tracepoint_open(const char *name, int prog_fd);
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int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf, __u32 log_buf_size,
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bool do_log);
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int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf, __u32 *buf_len,
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__u32 *prog_id, __u32 *fd_type, __u64 *probe_offset,
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__u64 *probe_addr);
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LIBBPF_API int bpf_map_lookup_elem(int fd, const void *key, void *value);
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LIBBPF_API int bpf_map_delete_elem(int fd, const void *key);
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LIBBPF_API int bpf_map_get_next_key(int fd, const void *key, void *next_key);
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LIBBPF_API int bpf_obj_pin(int fd, const char *pathname);
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LIBBPF_API int bpf_obj_get(const char *pathname);
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LIBBPF_API int bpf_prog_attach(int prog_fd, int attachable_fd,
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enum bpf_attach_type type, unsigned int flags);
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LIBBPF_API int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type);
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LIBBPF_API int bpf_prog_detach2(int prog_fd, int attachable_fd,
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enum bpf_attach_type type);
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LIBBPF_API int bpf_prog_test_run(int prog_fd, int repeat, void *data,
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__u32 size, void *data_out, __u32 *size_out,
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__u32 *retval, __u32 *duration);
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LIBBPF_API int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id);
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LIBBPF_API int bpf_map_get_next_id(__u32 start_id, __u32 *next_id);
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LIBBPF_API int bpf_prog_get_fd_by_id(__u32 id);
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LIBBPF_API int bpf_map_get_fd_by_id(__u32 id);
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LIBBPF_API int bpf_btf_get_fd_by_id(__u32 id);
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LIBBPF_API int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len);
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LIBBPF_API int bpf_prog_query(int target_fd, enum bpf_attach_type type,
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__u32 query_flags, __u32 *attach_flags,
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__u32 *prog_ids, __u32 *prog_cnt);
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LIBBPF_API int bpf_raw_tracepoint_open(const char *name, int prog_fd);
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LIBBPF_API int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf,
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__u32 log_buf_size, bool do_log);
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LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf,
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__u32 *buf_len, __u32 *prog_id, __u32 *fd_type,
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__u64 *probe_offset, __u64 *probe_addr);
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#endif /* __LIBBPF_BPF_H */
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