1/* $FreeBSD$ */ 2 3#ifndef _EF_H_ 4#define _EF_H_ 5 6#define EFT_KLD 1 7#define EFT_KERNEL 2 8 9#define EF_RELOC_REL 1 10#define EF_RELOC_RELA 2 11 12#define EF_GET_TYPE(ef) \ 13 (ef)->ef_ops->get_type((ef)->ef_ef) 14#define EF_CLOSE(ef) \ 15 (ef)->ef_ops->close((ef)->ef_ef) 16#define EF_READ(ef, offset, len, dest) \ 17 (ef)->ef_ops->read((ef)->ef_ef, offset, len, dest) 18#define EF_READ_ENTRY(ef, offset, len, ptr) \ 19 (ef)->ef_ops->read_entry((ef)->ef_ef, offset, len, ptr) 20#define EF_SEG_READ(ef, offset, len, dest) \ 21 (ef)->ef_ops->seg_read((ef)->ef_ef, offset, len, dest) 22#define EF_SEG_READ_REL(ef, offset, len, dest) \ 23 (ef)->ef_ops->seg_read_rel((ef)->ef_ef, offset, len, dest) 24#define EF_SEG_READ_ENTRY(ef, offset, len, ptr) \ 25 (ef)->ef_ops->seg_read_entry((ef)->kf_ef, offset, len, ptr) 26#define EF_SEG_READ_ENTRY_REL(ef, offset, len, ptr) \ 27 (ef)->ef_ops->seg_read_entry_rel((ef)->ef_ef, offset, len, ptr) 28#define EF_SYMADDR(ef, symidx) \ 29 (ef)->ef_ops->symaddr((ef)->ef_ef, symidx) 30#define EF_LOOKUP_SET(ef, name, startp, stopp, countp) \ 31 (ef)->ef_ops->lookup_set((ef)->ef_ef, name, startp, stopp, countp) 32#define EF_LOOKUP_SYMBOL(ef, name, sym) \ 33 (ef)->ef_ops->lookup_symbol((ef)->ef_ef, name, sym) 34 35/* XXX, should have a different name. */ 36typedef struct ef_file *elf_file_t; 37 38struct elf_file_ops { 39 int (*get_type)(elf_file_t ef); 40 int (*close)(elf_file_t ef); 41 int (*read)(elf_file_t ef, Elf_Off offset, size_t len, void* dest); 42 int (*read_entry)(elf_file_t ef, Elf_Off offset, size_t len, 43 void **ptr); 44 int (*seg_read)(elf_file_t ef, Elf_Off offset, size_t len, void *dest); 45 int (*seg_read_rel)(elf_file_t ef, Elf_Off offset, size_t len, 46 void *dest); 47 int (*seg_read_entry)(elf_file_t ef, Elf_Off offset, size_t len, 48 void**ptr); 49 int (*seg_read_entry_rel)(elf_file_t ef, Elf_Off offset, size_t len, 50 void**ptr); 51 Elf_Addr (*symaddr)(elf_file_t ef, Elf_Size symidx); 52 int (*lookup_set)(elf_file_t ef, const char *name, long *startp, 53 long *stopp, long *countp); 54 int (*lookup_symbol)(elf_file_t ef, const char* name, Elf_Sym** sym); 55}; 56 57struct elf_file { 58 elf_file_t ef_ef; 59 struct elf_file_ops *ef_ops; 60}; 61 62__BEGIN_DECLS 63int ef_open(const char *filename, struct elf_file *ef, int verbose); 64int ef_obj_open(const char *filename, struct elf_file *ef, int verbose); 65int ef_reloc(struct elf_file *ef, const void *reldata, int reltype, 66 Elf_Off relbase, Elf_Off dataoff, size_t len, void *dest); 67__END_DECLS 68 69#endif /* _EF_H_*/ 70