freebsd-dev/usr.sbin/kldxref/ef.h

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/* $FreeBSD$ */
#ifndef _EF_H_
#define _EF_H_
#define EFT_KLD 1
#define EFT_KERNEL 2
#define EF_RELOC_REL 1
#define EF_RELOC_RELA 2
#define EF_GET_TYPE(ef) \
(ef)->ef_ops->get_type((ef)->ef_ef)
#define EF_CLOSE(ef) \
(ef)->ef_ops->close((ef)->ef_ef)
#define EF_READ(ef, offset, len, dest) \
(ef)->ef_ops->read((ef)->ef_ef, offset, len, dest)
#define EF_READ_ENTRY(ef, offset, len, ptr) \
(ef)->ef_ops->read_entry((ef)->ef_ef, offset, len, ptr)
#define EF_SEG_READ(ef, offset, len, dest) \
(ef)->ef_ops->seg_read((ef)->ef_ef, offset, len, dest)
#define EF_SEG_READ_REL(ef, offset, len, dest) \
(ef)->ef_ops->seg_read_rel((ef)->ef_ef, offset, len, dest)
#define EF_SEG_READ_ENTRY(ef, offset, len, ptr) \
(ef)->ef_ops->seg_read_entry((ef)->kf_ef, offset, len, ptr)
#define EF_SEG_READ_ENTRY_REL(ef, offset, len, ptr) \
(ef)->ef_ops->seg_read_entry_rel((ef)->ef_ef, offset, len, ptr)
#define EF_SYMADDR(ef, symidx) \
(ef)->ef_ops->symaddr((ef)->ef_ef, symidx)
#define EF_LOOKUP_SET(ef, name, startp, stopp, countp) \
(ef)->ef_ops->lookup_set((ef)->ef_ef, name, startp, stopp, countp)
#define EF_LOOKUP_SYMBOL(ef, name, sym) \
(ef)->ef_ops->lookup_symbol((ef)->ef_ef, name, sym)
/* XXX, should have a different name. */
typedef struct ef_file *elf_file_t;
struct elf_file_ops {
int (*get_type)(elf_file_t ef);
int (*close)(elf_file_t ef);
int (*read)(elf_file_t ef, Elf_Off offset, size_t len, void* dest);
int (*read_entry)(elf_file_t ef, Elf_Off offset, size_t len,
void **ptr);
int (*seg_read)(elf_file_t ef, Elf_Off offset, size_t len, void *dest);
int (*seg_read_rel)(elf_file_t ef, Elf_Off offset, size_t len,
void *dest);
int (*seg_read_entry)(elf_file_t ef, Elf_Off offset, size_t len,
void**ptr);
int (*seg_read_entry_rel)(elf_file_t ef, Elf_Off offset, size_t len,
void**ptr);
Elf_Addr (*symaddr)(elf_file_t ef, Elf_Size symidx);
int (*lookup_set)(elf_file_t ef, const char *name, long *startp,
long *stopp, long *countp);
int (*lookup_symbol)(elf_file_t ef, const char* name, Elf_Sym** sym);
};
struct elf_file {
elf_file_t ef_ef;
struct elf_file_ops *ef_ops;
};
__BEGIN_DECLS
int ef_open(const char *filename, struct elf_file *ef, int verbose);
int ef_obj_open(const char *filename, struct elf_file *ef, int verbose);
int ef_reloc(struct elf_file *ef, const void *reldata, int reltype,
Elf_Off relbase, Elf_Off dataoff, size_t len, void *dest);
__END_DECLS
#endif /* _EF_H_*/