Adds componentname

Author: ultimaweapon

kernel-1100/src/lib.rs

@@ -4,6 +4,7 @@ use self::file::File;
 use self::lock::{LockObject, Mtx};
 use self::malloc::Malloc;
 use self::mount::{Filesystem, FsOps, FsStats, Mount};
+use self::namei::ComponentName;
 use self::pcpu::Pcpu;
 use self::socket::Socket;
 use self::thread::Thread;
@@ -23,6 +24,7 @@ mod file;
 mod lock;
 mod malloc;
 mod mount;
+mod namei;
 mod pcpu;
 mod socket;
 mod thread;
@@ -60,6 +62,7 @@ impl okf::Kernel for Kernel {
     #[offset(0x1534360)]
     const VOP_UNLOCK: StaticMut<Self::VnodeOp>;
 
+    type ComponentName = ComponentName;
     type File = File;
     type Filesystem = Filesystem;
     type FsOps = FsOps;

kernel-1100/src/namei.rs

@@ -0,0 +1,36 @@
+use crate::thread::Thread;
+use crate::ucred::Ucred;
+use core::ffi::{c_char, c_int};
+use okf::Kernel;
+
+/// Implementation of [`okf::namei::ComponentName`] for 11.00.
+#[repr(C)]
+pub struct ComponentName {
+    op: u64,
+    flags: u64,
+    td: *mut Thread,
+    cred: *mut Ucred,
+    lk: c_int,
+    buf: *mut c_char,
+    name: *mut c_char,
+    len: isize,
+    consume: isize,
+}
+
+impl okf::namei::ComponentName<crate::Kernel> for ComponentName {
+    unsafe fn new(k: crate::Kernel, op: u64, lk: c_int, buf: *mut c_char, td: *mut Thread) -> Self {
+        use okf::thread::Thread;
+
+        Self {
+            op,
+            flags: 0,
+            td,
+            cred: (*td).cred(),
+            lk,
+            buf,
+            name: buf,
+            len: k.strlen(buf) as _,
+            consume: 0,
+        }
+    }
+}

src/lib.rs

@@ -5,6 +5,7 @@ use self::file::File;
 use self::lock::{LockObject, Mtx};
 use self::malloc::{Malloc, MallocFlags};
 use self::mount::{Filesystem, FsOps, FsStats, Mount};
+use self::namei::ComponentName;
 use self::pcpu::Pcpu;
 use self::queue::TailQueue;
 use self::socket::{SockAddr, Socket};
@@ -25,6 +26,7 @@ pub mod file;
 pub mod lock;
 pub mod malloc;
 pub mod mount;
+pub mod namei;
 pub mod pcpu;
 pub mod queue;
 pub mod socket;
@@ -64,6 +66,7 @@ pub trait Kernel: MappedKernel {
     const VOP_READDIR: StaticMut<Self::VnodeOp>;
     const VOP_UNLOCK: StaticMut<Self::VnodeOp>;
 
+    type ComponentName: ComponentName<Self>;
     type File: File;
     type Filesystem: Filesystem;
     type FsOps: FsOps<Self>;

src/namei/mod.rs

@@ -0,0 +1,10 @@
+use crate::Kernel;
+use core::ffi::{c_char, c_int};
+
+/// Represents `componentname` structure.
+pub trait ComponentName<K: Kernel>: Sized {
+    /// # Safety
+    /// - `buf` cannot be null and must point to a null-terminated string.
+    /// - `td` cannot be null.
+    unsafe fn new(k: K, op: u64, lk: c_int, buf: *mut c_char, td: *mut K::Thread) -> Self;
+}