diff --git a/backtrace b/backtrace
index 8ad84ca5a..4245978ca 160000
--- a/backtrace
+++ b/backtrace
@@ -1 +1 @@
-Subproject commit 8ad84ca5ad88ade697637387e7cb4d7c3cf4bde8
+Subproject commit 4245978ca8169c40c088ff733825e4527f7b914c
diff --git a/std/Cargo.toml b/std/Cargo.toml
index 0441f7e6c..1454b0025 100644
--- a/std/Cargo.toml
+++ b/std/Cargo.toml
@@ -15,7 +15,7 @@ cfg-if = { version = "1.0", features = ['rustc-dep-of-std'] }
 panic_unwind = { path = "../panic_unwind", optional = true }
 panic_abort = { path = "../panic_abort" }
 core = { path = "../core" }
-libc = { version = "0.2.142", default-features = false, features = ['rustc-dep-of-std'] }
+libc = { version = "0.2.143", default-features = false, features = ['rustc-dep-of-std'] }
 compiler_builtins = { version = "0.1.91" }
 profiler_builtins = { path = "../profiler_builtins", optional = true }
 unwind = { path = "../unwind" }
diff --git a/std/build.rs b/std/build.rs
index cf708db6f..0fb03c8e8 100644
--- a/std/build.rs
+++ b/std/build.rs
@@ -34,6 +34,7 @@ fn main() {
         || target.contains("espidf")
         || target.contains("solid")
         || target.contains("nintendo-3ds")
+        || target.contains("vita")
         || target.contains("nto")
     {
         // These platforms don't have any special requirements.
diff --git a/std/src/os/mod.rs b/std/src/os/mod.rs
index b148d8a00..5b54cc5f2 100644
--- a/std/src/os/mod.rs
+++ b/std/src/os/mod.rs
@@ -137,6 +137,8 @@ pub mod redox;
 pub mod solaris;
 #[cfg(target_os = "solid_asp3")]
 pub mod solid;
+#[cfg(target_os = "vita")]
+pub mod vita;
 #[cfg(target_os = "vxworks")]
 pub mod vxworks;
 #[cfg(target_os = "watchos")]
diff --git a/std/src/os/unix/mod.rs b/std/src/os/unix/mod.rs
index eb2d7ce11..6fe111118 100644
--- a/std/src/os/unix/mod.rs
+++ b/std/src/os/unix/mod.rs
@@ -73,6 +73,8 @@ mod platform {
     pub use crate::os::redox::*;
     #[cfg(target_os = "solaris")]
     pub use crate::os::solaris::*;
+    #[cfg(target_os = "vita")]
+    pub use crate::os::vita::*;
     #[cfg(target_os = "vxworks")]
     pub use crate::os::vxworks::*;
     #[cfg(target_os = "watchos")]
diff --git a/std/src/os/vita/fs.rs b/std/src/os/vita/fs.rs
new file mode 100644
index 000000000..a5a06764a
--- /dev/null
+++ b/std/src/os/vita/fs.rs
@@ -0,0 +1,95 @@
+#![stable(feature = "metadata_ext", since = "1.1.0")]
+
+use crate::fs::Metadata;
+use crate::sys_common::AsInner;
+
+/// OS-specific extensions to [`fs::Metadata`].
+///
+/// [`fs::Metadata`]: crate::fs::Metadata
+#[stable(feature = "metadata_ext", since = "1.1.0")]
+pub trait MetadataExt {
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_dev(&self) -> u64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_ino(&self) -> u64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_mode(&self) -> u32;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_nlink(&self) -> u64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_uid(&self) -> u32;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_gid(&self) -> u32;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_rdev(&self) -> u64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_size(&self) -> u64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_atime(&self) -> i64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_atime_nsec(&self) -> i64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_mtime(&self) -> i64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_mtime_nsec(&self) -> i64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_ctime(&self) -> i64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_ctime_nsec(&self) -> i64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_blksize(&self) -> u64;
+    #[stable(feature = "metadata_ext2", since = "1.8.0")]
+    fn st_blocks(&self) -> u64;
+}
+
+#[stable(feature = "metadata_ext", since = "1.1.0")]
+impl MetadataExt for Metadata {
+    fn st_dev(&self) -> u64 {
+        self.as_inner().as_inner().st_dev as u64
+    }
+    fn st_ino(&self) -> u64 {
+        self.as_inner().as_inner().st_ino as u64
+    }
+    fn st_mode(&self) -> u32 {
+        self.as_inner().as_inner().st_mode as u32
+    }
+    fn st_nlink(&self) -> u64 {
+        self.as_inner().as_inner().st_nlink as u64
+    }
+    fn st_uid(&self) -> u32 {
+        self.as_inner().as_inner().st_uid as u32
+    }
+    fn st_gid(&self) -> u32 {
+        self.as_inner().as_inner().st_gid as u32
+    }
+    fn st_rdev(&self) -> u64 {
+        self.as_inner().as_inner().st_rdev as u64
+    }
+    fn st_size(&self) -> u64 {
+        self.as_inner().as_inner().st_size as u64
+    }
+    fn st_atime(&self) -> i64 {
+        self.as_inner().as_inner().st_atime as i64
+    }
+    fn st_atime_nsec(&self) -> i64 {
+        0
+    }
+    fn st_mtime(&self) -> i64 {
+        self.as_inner().as_inner().st_mtime as i64
+    }
+    fn st_mtime_nsec(&self) -> i64 {
+        0
+    }
+    fn st_ctime(&self) -> i64 {
+        self.as_inner().as_inner().st_ctime as i64
+    }
+    fn st_ctime_nsec(&self) -> i64 {
+        0
+    }
+    fn st_blksize(&self) -> u64 {
+        self.as_inner().as_inner().st_blksize as u64
+    }
+    fn st_blocks(&self) -> u64 {
+        self.as_inner().as_inner().st_blocks as u64
+    }
+}
diff --git a/std/src/os/vita/mod.rs b/std/src/os/vita/mod.rs
new file mode 100644
index 000000000..da9edd12f
--- /dev/null
+++ b/std/src/os/vita/mod.rs
@@ -0,0 +1,6 @@
+//! Definitions for vita
+
+#![stable(feature = "raw_ext", since = "1.1.0")]
+
+pub mod fs;
+pub(crate) mod raw;
diff --git a/std/src/os/vita/raw.rs b/std/src/os/vita/raw.rs
new file mode 100644
index 000000000..74cae4d41
--- /dev/null
+++ b/std/src/os/vita/raw.rs
@@ -0,0 +1,70 @@
+//! vita raw type definitions
+
+#![stable(feature = "raw_ext", since = "1.1.0")]
+#![deprecated(
+    since = "1.8.0",
+    note = "these type aliases are no longer supported by \
+            the standard library, the `libc` crate on \
+            crates.io should be used instead for the correct \
+            definitions"
+)]
+#![allow(deprecated)]
+
+use crate::os::raw::c_long;
+use crate::os::unix::raw::{gid_t, uid_t};
+
+#[stable(feature = "pthread_t", since = "1.8.0")]
+pub type pthread_t = libc::pthread_t;
+
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub type blkcnt_t = libc::blkcnt_t;
+
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub type blksize_t = libc::blksize_t;
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub type dev_t = libc::dev_t;
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub type ino_t = libc::ino_t;
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub type mode_t = libc::mode_t;
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub type nlink_t = libc::nlink_t;
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub type off_t = libc::off_t;
+
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub type time_t = libc::time_t;
+
+#[repr(C)]
+#[derive(Clone)]
+#[stable(feature = "raw_ext", since = "1.1.0")]
+pub struct stat {
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_dev: dev_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_ino: ino_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_mode: mode_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_nlink: nlink_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_uid: uid_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_gid: gid_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_rdev: dev_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_size: off_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_atime: time_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_mtime: time_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_ctime: time_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_blksize: blksize_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_blocks: blkcnt_t,
+    #[stable(feature = "raw_ext", since = "1.1.0")]
+    pub st_spare4: [c_long; 2usize],
+}
diff --git a/std/src/sys/unix/alloc.rs b/std/src/sys/unix/alloc.rs
index 9d6567c9f..8604b5398 100644
--- a/std/src/sys/unix/alloc.rs
+++ b/std/src/sys/unix/alloc.rs
@@ -59,7 +59,8 @@ cfg_if::cfg_if! {
         target_os = "redox",
         target_os = "solaris",
         target_os = "espidf",
-        target_os = "horizon"
+        target_os = "horizon",
+        target_os = "vita",
     ))] {
         #[inline]
         unsafe fn aligned_malloc(layout: &Layout) -> *mut u8 {
diff --git a/std/src/sys/unix/args.rs b/std/src/sys/unix/args.rs
index 3d79058b3..9ed4d9c1e 100644
--- a/std/src/sys/unix/args.rs
+++ b/std/src/sys/unix/args.rs
@@ -265,7 +265,7 @@ mod imp {
     }
 }
 
-#[cfg(target_os = "espidf")]
+#[cfg(any(target_os = "espidf", target_os = "vita"))]
 mod imp {
     use super::Args;
 
diff --git a/std/src/sys/unix/env.rs b/std/src/sys/unix/env.rs
index 1a9276f11..8c3ef88d8 100644
--- a/std/src/sys/unix/env.rs
+++ b/std/src/sys/unix/env.rs
@@ -141,6 +141,17 @@ pub mod os {
     pub const EXE_EXTENSION: &str = "elf";
 }
 
+#[cfg(target_os = "vita")]
+pub mod os {
+    pub const FAMILY: &str = "unix";
+    pub const OS: &str = "vita";
+    pub const DLL_PREFIX: &str = "lib";
+    pub const DLL_SUFFIX: &str = ".so";
+    pub const DLL_EXTENSION: &str = "so";
+    pub const EXE_SUFFIX: &str = ".elf";
+    pub const EXE_EXTENSION: &str = "elf";
+}
+
 #[cfg(all(target_os = "emscripten", target_arch = "asmjs"))]
 pub mod os {
     pub const FAMILY: &str = "unix";
diff --git a/std/src/sys/unix/fd.rs b/std/src/sys/unix/fd.rs
index 45f96478f..cb630eede 100644
--- a/std/src/sys/unix/fd.rs
+++ b/std/src/sys/unix/fd.rs
@@ -75,6 +75,7 @@ const fn max_iov() -> usize {
     target_os = "nto",
     target_os = "openbsd",
     target_os = "horizon",
+    target_os = "vita",
     target_os = "watchos",
 )))]
 const fn max_iov() -> usize {
@@ -93,7 +94,7 @@ impl FileDesc {
         Ok(ret as usize)
     }
 
-    #[cfg(not(any(target_os = "espidf", target_os = "horizon")))]
+    #[cfg(not(any(target_os = "espidf", target_os = "horizon", target_os = "vita")))]
     pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
         let ret = cvt(unsafe {
             libc::readv(
@@ -105,14 +106,14 @@ impl FileDesc {
         Ok(ret as usize)
     }
 
-    #[cfg(any(target_os = "espidf", target_os = "horizon"))]
+    #[cfg(any(target_os = "espidf", target_os = "horizon", target_os = "vita"))]
     pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result<usize> {
         io::default_read_vectored(|b| self.read(b), bufs)
     }
 
     #[inline]
     pub fn is_read_vectored(&self) -> bool {
-        cfg!(not(any(target_os = "espidf", target_os = "horizon")))
+        cfg!(not(any(target_os = "espidf", target_os = "horizon", target_os = "vita")))
     }
 
     pub fn read_to_end(&self, buf: &mut Vec<u8>) -> io::Result<usize> {
@@ -253,7 +254,7 @@ impl FileDesc {
         Ok(ret as usize)
     }
 
-    #[cfg(not(any(target_os = "espidf", target_os = "horizon")))]
+    #[cfg(not(any(target_os = "espidf", target_os = "horizon", target_os = "vita")))]
     pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
         let ret = cvt(unsafe {
             libc::writev(
@@ -265,14 +266,14 @@ impl FileDesc {
         Ok(ret as usize)
     }
 
-    #[cfg(any(target_os = "espidf", target_os = "horizon"))]
+    #[cfg(any(target_os = "espidf", target_os = "horizon", target_os = "vita"))]
     pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> io::Result<usize> {
         io::default_write_vectored(|b| self.write(b), bufs)
     }
 
     #[inline]
     pub fn is_write_vectored(&self) -> bool {
-        cfg!(not(any(target_os = "espidf", target_os = "horizon")))
+        cfg!(not(any(target_os = "espidf", target_os = "horizon", target_os = "vita")))
     }
 
     pub fn write_at(&self, buf: &[u8], offset: u64) -> io::Result<usize> {
diff --git a/std/src/sys/unix/fs.rs b/std/src/sys/unix/fs.rs
index b398fd5eb..22d2ae397 100644
--- a/std/src/sys/unix/fs.rs
+++ b/std/src/sys/unix/fs.rs
@@ -447,7 +447,12 @@ impl FileAttr {
 
 #[cfg(not(any(target_os = "netbsd", target_os = "nto")))]
 impl FileAttr {
-    #[cfg(not(any(target_os = "vxworks", target_os = "espidf", target_os = "horizon")))]
+    #[cfg(not(any(
+        target_os = "vxworks",
+        target_os = "espidf",
+        target_os = "horizon",
+        target_os = "vita"
+    )))]
     pub fn modified(&self) -> io::Result<SystemTime> {
         #[cfg(target_pointer_width = "32")]
         cfg_has_statx! {
@@ -459,7 +464,7 @@ impl FileAttr {
         Ok(SystemTime::new(self.stat.st_mtime as i64, self.stat.st_mtime_nsec as i64))
     }
 
-    #[cfg(any(target_os = "vxworks", target_os = "espidf"))]
+    #[cfg(any(target_os = "vxworks", target_os = "espidf", target_os = "vita"))]
     pub fn modified(&self) -> io::Result<SystemTime> {
         Ok(SystemTime::new(self.stat.st_mtime as i64, 0))
     }
@@ -469,7 +474,12 @@ impl FileAttr {
         Ok(SystemTime::from(self.stat.st_mtim))
     }
 
-    #[cfg(not(any(target_os = "vxworks", target_os = "espidf", target_os = "horizon")))]
+    #[cfg(not(any(
+        target_os = "vxworks",
+        target_os = "espidf",
+        target_os = "horizon",
+        target_os = "vita"
+    )))]
     pub fn accessed(&self) -> io::Result<SystemTime> {
         #[cfg(target_pointer_width = "32")]
         cfg_has_statx! {
@@ -481,7 +491,7 @@ impl FileAttr {
         Ok(SystemTime::new(self.stat.st_atime as i64, self.stat.st_atime_nsec as i64))
     }
 
-    #[cfg(any(target_os = "vxworks", target_os = "espidf"))]
+    #[cfg(any(target_os = "vxworks", target_os = "espidf", target_os = "vita"))]
     pub fn accessed(&self) -> io::Result<SystemTime> {
         Ok(SystemTime::new(self.stat.st_atime as i64, 0))
     }
@@ -866,6 +876,7 @@ impl DirEntry {
         target_os = "vxworks",
         target_os = "espidf",
         target_os = "horizon",
+        target_os = "vita",
         target_os = "nto",
     ))]
     pub fn ino(&self) -> u64 {
diff --git a/std/src/sys/unix/mod.rs b/std/src/sys/unix/mod.rs
index 68c9520cc..bb9e65e68 100644
--- a/std/src/sys/unix/mod.rs
+++ b/std/src/sys/unix/mod.rs
@@ -92,6 +92,7 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) {
             target_os = "redox",
             target_os = "l4re",
             target_os = "horizon",
+            target_os = "vita",
         )))]
         'poll: {
             use crate::sys::os::errno;
@@ -140,6 +141,7 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) {
             target_os = "vxworks",
             target_os = "l4re",
             target_os = "horizon",
+            target_os = "vita",
         )))]
         {
             use crate::sys::os::errno;
@@ -162,7 +164,12 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) {
     }
 
     unsafe fn reset_sigpipe(#[allow(unused_variables)] sigpipe: u8) {
-        #[cfg(not(any(target_os = "emscripten", target_os = "fuchsia", target_os = "horizon")))]
+        #[cfg(not(any(
+            target_os = "emscripten",
+            target_os = "fuchsia",
+            target_os = "horizon",
+            target_os = "vita"
+        )))]
         {
             // We don't want to add this as a public type to std, nor do we
             // want to `include!` a file from the compiler (which would break
@@ -199,7 +206,8 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) {
     target_os = "espidf",
     target_os = "emscripten",
     target_os = "fuchsia",
-    target_os = "horizon"
+    target_os = "horizon",
+    target_os = "vita"
 )))]
 static UNIX_SIGPIPE_ATTR_SPECIFIED: crate::sync::atomic::AtomicBool =
     crate::sync::atomic::AtomicBool::new(false);
@@ -208,7 +216,8 @@ static UNIX_SIGPIPE_ATTR_SPECIFIED: crate::sync::atomic::AtomicBool =
     target_os = "espidf",
     target_os = "emscripten",
     target_os = "fuchsia",
-    target_os = "horizon"
+    target_os = "horizon",
+    target_os = "vita",
 )))]
 pub(crate) fn unix_sigpipe_attr_specified() -> bool {
     UNIX_SIGPIPE_ATTR_SPECIFIED.load(crate::sync::atomic::Ordering::Relaxed)
@@ -402,7 +411,7 @@ cfg_if::cfg_if! {
     }
 }
 
-#[cfg(any(target_os = "espidf", target_os = "horizon"))]
+#[cfg(any(target_os = "espidf", target_os = "horizon", target_os = "vita"))]
 mod unsupported {
     use crate::io;
 
diff --git a/std/src/sys/unix/os.rs b/std/src/sys/unix/os.rs
index a345af76f..8edfd3313 100644
--- a/std/src/sys/unix/os.rs
+++ b/std/src/sys/unix/os.rs
@@ -460,7 +460,7 @@ pub fn current_exe() -> io::Result<PathBuf> {
     path.canonicalize()
 }
 
-#[cfg(any(target_os = "espidf", target_os = "horizon"))]
+#[cfg(any(target_os = "espidf", target_os = "horizon", target_os = "vita"))]
 pub fn current_exe() -> io::Result<PathBuf> {
     super::unsupported::unsupported()
 }
@@ -614,7 +614,8 @@ pub fn home_dir() -> Option<PathBuf> {
         target_os = "redox",
         target_os = "vxworks",
         target_os = "espidf",
-        target_os = "horizon"
+        target_os = "horizon",
+        target_os = "vita",
     ))]
     unsafe fn fallback() -> Option<OsString> {
         None
@@ -627,7 +628,8 @@ pub fn home_dir() -> Option<PathBuf> {
         target_os = "redox",
         target_os = "vxworks",
         target_os = "espidf",
-        target_os = "horizon"
+        target_os = "horizon",
+        target_os = "vita",
     )))]
     unsafe fn fallback() -> Option<OsString> {
         let amt = match libc::sysconf(libc::_SC_GETPW_R_SIZE_MAX) {
diff --git a/std/src/sys/unix/process/mod.rs b/std/src/sys/unix/process/mod.rs
index 3701510f3..0cf163d9f 100644
--- a/std/src/sys/unix/process/mod.rs
+++ b/std/src/sys/unix/process/mod.rs
@@ -14,7 +14,7 @@ cfg_if::cfg_if! {
     } else if #[cfg(target_os = "vxworks")] {
         #[path = "process_vxworks.rs"]
         mod process_inner;
-    } else if #[cfg(any(target_os = "espidf", target_os = "horizon"))] {
+    } else if #[cfg(any(target_os = "espidf", target_os = "horizon", target_os = "vita"))] {
         #[path = "process_unsupported.rs"]
         mod process_inner;
     } else {
diff --git a/std/src/sys/unix/rand.rs b/std/src/sys/unix/rand.rs
index 0f347ffab..d8b63546b 100644
--- a/std/src/sys/unix/rand.rs
+++ b/std/src/sys/unix/rand.rs
@@ -21,7 +21,8 @@ pub fn hashmap_random_keys() -> (u64, u64) {
     not(target_os = "fuchsia"),
     not(target_os = "redox"),
     not(target_os = "vxworks"),
-    not(target_os = "emscripten")
+    not(target_os = "emscripten"),
+    not(target_os = "vita"),
 ))]
 mod imp {
     use crate::fs::File;
@@ -175,7 +176,7 @@ mod imp {
     }
 }
 
-#[cfg(any(target_os = "openbsd", target_os = "emscripten"))]
+#[cfg(any(target_os = "openbsd", target_os = "emscripten", target_os = "vita"))]
 mod imp {
     use crate::sys::os::errno;