dwarves/libbtf.h
Arnaldo Carvalho de Melo fe4e1f799c btf_elf: Rename btf_elf__free() to btf_elf__delete()
That is the idiom for free its members and then free itself, 'free' is
just to free its members.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-02-14 17:06:40 -03:00

70 lines
2.0 KiB
C

/*
SPDX-License-Identifier: GPL-2.0-only
Copyright (C) 2019 Facebook
*/
#ifndef _LIBBTF_H
#define _LIBBTF_H
#include "gobuffer.h"
#include <stdbool.h>
#include <stdint.h>
struct btf_elf {
union {
struct btf_header *hdr;
void *data;
};
void *priv;
Elf *elf;
GElf_Ehdr ehdr;
struct gobuffer types;
struct gobuffer *strings;
char *filename;
size_t size;
int swapped;
int in_fd;
uint8_t wordsize;
bool is_big_endian;
uint32_t type_index;
};
extern uint8_t btf_elf__verbose;
#define btf_elf__verbose_log(fmt, ...) { if (btf_elf__verbose) printf(fmt, __VA_ARGS__); }
struct base_type;
struct ftype;
struct btf_elf *btf_elf__new(const char *filename, Elf *elf);
void btf_elf__delete(struct btf_elf *btf);
int32_t btf_elf__add_base_type(struct btf_elf *btf, const struct base_type *bt);
int32_t btf_elf__add_ref_type(struct btf_elf *btf, uint16_t kind, uint32_t type,
uint32_t name, bool kind_flag);
int btf_elf__add_member(struct btf_elf *btf, uint32_t name, uint32_t type, bool kind_flag,
uint32_t bitfield_size, uint32_t bit_offset);
int32_t btf_elf__add_struct(struct btf_elf *btf, uint8_t kind, uint32_t name,
bool kind_flag, uint32_t size, uint16_t nr_members);
int32_t btf_elf__add_array(struct btf_elf *btf, uint32_t type, uint32_t index_type,
uint32_t nelems);
int32_t btf_elf__add_enum(struct btf_elf *btf, uint32_t name, uint32_t size,
uint16_t nr_entries);
int btf_elf__add_enum_val(struct btf_elf *btf, uint32_t name, int32_t value);
int32_t btf_elf__add_func_proto(struct btf_elf *btf, struct ftype *ftype,
uint32_t type_id_off);
void btf_elf__set_strings(struct btf_elf *btf, struct gobuffer *strings);
int btf_elf__encode(struct btf_elf *btf, uint8_t flags);
char *btf_elf__string(struct btf_elf *btf, uint32_t ref);
int btf_elf__load(struct btf_elf *btf);
uint32_t btf_elf__get32(struct btf_elf *btf, uint32_t *p);
void *btf_elf__get_buffer(struct btf_elf *btf);
size_t btf_elf__get_size(struct btf_elf *btf);
#endif /* _LIBBTF_H */