1 files changed, 69 insertions, 0 deletions
diff --git a/usr.sbin/kldxref/ef.h b/usr.sbin/kldxref/ef.h
new file mode 100644
index 0000000..5bb1985
--- /dev/null
+++ b/usr.sbin/kldxref/ef.h
@@ -0,0 +1,69 @@
+/* $FreeBSD$ */
+
+#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_*/