1 2 #ifndef _EF_H_ 3 #define _EF_H_ 4 5 #define EFT_KLD 1 6 #define EFT_KERNEL 2 7 8 #define EF_RELOC_REL 1 9 #define EF_RELOC_RELA 2 10 11 #define EF_GET_TYPE(ef) \ 12 (ef)->ef_ops->get_type((ef)->ef_ef) 13 #define EF_CLOSE(ef) \ 14 (ef)->ef_ops->close((ef)->ef_ef) 15 #define EF_READ(ef, offset, len, dest) \ 16 (ef)->ef_ops->read((ef)->ef_ef, offset, len, dest) 17 #define EF_READ_ENTRY(ef, offset, len, ptr) \ 18 (ef)->ef_ops->read_entry((ef)->ef_ef, offset, len, ptr) 19 #define EF_SEG_READ(ef, offset, len, dest) \ 20 (ef)->ef_ops->seg_read((ef)->ef_ef, offset, len, dest) 21 #define EF_SEG_READ_REL(ef, offset, len, dest) \ 22 (ef)->ef_ops->seg_read_rel((ef)->ef_ef, offset, len, dest) 23 #define EF_SEG_READ_STRING(ef, offset, len, dest) \ 24 (ef)->ef_ops->seg_read_string((ef)->ef_ef, offset, len, dest) 25 #define EF_SEG_READ_ENTRY(ef, offset, len, ptr) \ 26 (ef)->ef_ops->seg_read_entry((ef)->kf_ef, offset, len, ptr) 27 #define EF_SEG_READ_ENTRY_REL(ef, offset, len, ptr) \ 28 (ef)->ef_ops->seg_read_entry_rel((ef)->ef_ef, offset, len, ptr) 29 #define EF_SYMADDR(ef, symidx) \ 30 (ef)->ef_ops->symaddr((ef)->ef_ef, symidx) 31 #define EF_LOOKUP_SET(ef, name, startp, stopp, countp) \ 32 (ef)->ef_ops->lookup_set((ef)->ef_ef, name, startp, stopp, countp) 33 #define EF_LOOKUP_SYMBOL(ef, name, sym) \ 34 (ef)->ef_ops->lookup_symbol((ef)->ef_ef, name, sym) 35 36 /* XXX, should have a different name. */ 37 typedef struct ef_file *elf_file_t; 38 39 struct elf_file_ops { 40 int (*get_type)(elf_file_t ef); 41 int (*close)(elf_file_t ef); 42 int (*read)(elf_file_t ef, Elf_Off offset, size_t len, void* dest); 43 int (*read_entry)(elf_file_t ef, Elf_Off offset, size_t len, 44 void **ptr); 45 int (*seg_read)(elf_file_t ef, Elf_Off offset, size_t len, void *dest); 46 int (*seg_read_rel)(elf_file_t ef, Elf_Off offset, size_t len, 47 void *dest); 48 int (*seg_read_string)(elf_file_t, Elf_Off offset, size_t len, 49 char *dest); 50 int (*seg_read_entry)(elf_file_t ef, Elf_Off offset, size_t len, 51 void**ptr); 52 int (*seg_read_entry_rel)(elf_file_t ef, Elf_Off offset, size_t len, 53 void**ptr); 54 Elf_Addr (*symaddr)(elf_file_t ef, Elf_Size symidx); 55 int (*lookup_set)(elf_file_t ef, const char *name, long *startp, 56 long *stopp, long *countp); 57 int (*lookup_symbol)(elf_file_t ef, const char* name, Elf_Sym** sym); 58 }; 59 60 struct elf_file { 61 elf_file_t ef_ef; 62 struct elf_file_ops *ef_ops; 63 }; 64 65 __BEGIN_DECLS 66 int ef_open(const char *filename, struct elf_file *ef, int verbose); 67 int ef_obj_open(const char *filename, struct elf_file *ef, int verbose); 68 int ef_reloc(struct elf_file *ef, const void *reldata, int reltype, 69 Elf_Off relbase, Elf_Off dataoff, size_t len, void *dest); 70 __END_DECLS 71 72 #endif /* _EF_H_*/ 73