diff options
Diffstat (limited to 'tools/testing/selftests/bpf/trace_helpers.h')
| -rw-r--r-- | tools/testing/selftests/bpf/trace_helpers.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/trace_helpers.h b/tools/testing/selftests/bpf/trace_helpers.h index 25ef597dd03f..04fd1da7079d 100644 --- a/tools/testing/selftests/bpf/trace_helpers.h +++ b/tools/testing/selftests/bpf/trace_helpers.h @@ -4,14 +4,32 @@ #include <bpf/libbpf.h> +#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask)) +#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a)-1) + struct ksym { long addr; char *name; }; +struct ksyms; int load_kallsyms(void); struct ksym *ksym_search(long key); long ksym_get_addr(const char *name); + +struct ksyms *load_kallsyms_local(void); +struct ksym *ksym_search_local(struct ksyms *ksyms, long key); +long ksym_get_addr_local(struct ksyms *ksyms, const char *name); +void free_kallsyms_local(struct ksyms *ksyms); + +/* open kallsyms and find addresses on the fly, faster than load + search. */ +int kallsyms_find(const char *sym, unsigned long long *addr); + void read_trace_pipe(void); +ssize_t get_uprobe_offset(const void *addr); +ssize_t get_rel_offset(uintptr_t addr); + +int read_build_id(const char *path, char *build_id, size_t size); + #endif |