elf: start writing elf loader

kernel/src/fs/vfs.h

@@ -1,66 +1 @@
 #pragma once
-
-#include <stdint.h>
-
-struct vfs {
-  struct vfs *vfs_next;           /* next vfs in list */
-  struct vfsops *vfs_op;          /* operations on vfs */
-  struct vnode *vfs_vnodecovered; /* vnode we cover */
-  int vfs_flag;                   /* flags */
-  int vfs_bsize;                  /* native block size */
-  uint64_t vfs_data;               /* private data */
-};
-
-struct vfsops {
-  int (*vfs_mount)();
-  int (*vfs_unmount)();
-  int (*vfs_root)();
-  int (*vfs_statfs)();
-  int (*vfs_sync)();
-  int (*vfs_fid)();
-  int (*vfs_vget)();
-};
-
-enum vtype { VNON, VREG, VDIR, VBLK, VCHR, VLNK, VSOCK, VBAD };
-struct vnode {
-  uint16_t v_flag;               /* vnode flags */
-  uint16_t v_count;              /* reference count */
-  uint16_t v_shlockc;            /* # of shared locks */
-  uint16_t v_exlockc;            /* # of exclusive locks */
-  struct vfs *v_vfsmountedhere; /* covering vfs */
-  struct vnodeops *v_op;        /* vnode operations */
-  union {
-    struct socket *v_Socket; /* unix ipc */
-    struct stdata *v_Stream; /* stream */
-  };
-  struct vfs *v_vfsp; /* vfs we are in */
-  enum vtype v_type;  /* vnode type */
-  uint64_t v_data;     /* private data */
-};
-
-struct vnodeops {
-  int (*vn_open)();
-  int (*vn_close)();
-  int (*vn_rdwr)();
-  int (*vn_ioctl)();
-  int (*vn_select)();
-  int (*vn_getattr)();
-  int (*vn_setattr)();
-  int (*vn_access)();
-  int (*vn_lookup)();
-  int (*vn_create)();
-  int (*vn_remove)();
-  int (*vn_link)();
-  int (*vn_rename)();
-  int (*vn_mkdir)();
-  int (*vn_rmdir)();
-  int (*vn_readdir)();
-  int (*vn_symlink)();
-  int (*vn_readlink)();
-  int (*vn_fsync)();
-  int (*vn_inactive)();
-  int (*vn_bmap)();
-  int (*vn_strategy)();
-  int (*vn_bread)();
-  int (*vn_brelse)();
-};