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_STRING(ef, offset, len, dest) \ 25 (ef)->ef_ops->seg_read_string((ef)->ef_ef, offset, len, dest) 26 #define EF_SEG_READ_ENTRY(ef, offset, len, ptr) \ 27 (ef)->ef_ops->seg_read_entry((ef)->kf_ef, offset, len, ptr) 28 #define EF_SEG_READ_ENTRY_REL(ef, offset, len, ptr) \ 29 (ef)->ef_ops->seg_read_entry_rel((ef)->ef_ef, offset, len, ptr) 30 #define EF_SYMADDR(ef, symidx) \ 31 (ef)->ef_ops->symaddr((ef)->ef_ef, symidx) 32 #define EF_LOOKUP_SET(ef, name, startp, stopp, countp) \ 33 (ef)->ef_ops->lookup_set((ef)->ef_ef, name, startp, stopp, countp) 34 #define EF_LOOKUP_SYMBOL(ef, name, sym) \ 35 (ef)->ef_ops->lookup_symbol((ef)->ef_ef, name, sym) 36 37 /* XXX, should have a different name. */ 38 typedef struct ef_file *elf_file_t; 39 40 struct elf_file_ops { 41 int (*get_type)(elf_file_t ef); 42 int (*close)(elf_file_t ef); 43 int (*read)(elf_file_t ef, Elf_Off offset, size_t len, void* dest); 44 int (*read_entry)(elf_file_t ef, Elf_Off offset, size_t len, 45 void **ptr); 46 int (*seg_read)(elf_file_t ef, Elf_Off offset, size_t len, void *dest); 47 int (*seg_read_rel)(elf_file_t ef, Elf_Off offset, size_t len, 48 void *dest); 49 int (*seg_read_string)(elf_file_t, Elf_Off offset, size_t len, 50 char *dest); 51 int (*seg_read_entry)(elf_file_t ef, Elf_Off offset, size_t len, 52 void**ptr); 53 int (*seg_read_entry_rel)(elf_file_t ef, Elf_Off offset, size_t len, 54 void**ptr); 55 Elf_Addr (*symaddr)(elf_file_t ef, Elf_Size symidx); 56 int (*lookup_set)(elf_file_t ef, const char *name, long *startp, 57 long *stopp, long *countp); 58 int (*lookup_symbol)(elf_file_t ef, const char* name, Elf_Sym** sym); 59 }; 60 61 struct elf_file { 62 elf_file_t ef_ef; 63 struct elf_file_ops *ef_ops; 64 }; 65 66 __BEGIN_DECLS 67 int ef_open(const char *filename, struct elf_file *ef, int verbose); 68 int ef_obj_open(const char *filename, struct elf_file *ef, int verbose); 69 int ef_reloc(struct elf_file *ef, const void *reldata, int reltype, 70 Elf_Off relbase, Elf_Off dataoff, size_t len, void *dest); 71 __END_DECLS 72 73 #endif /* _EF_H_*/ 74