From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
---
vendor/redox_syscall/src/arch/aarch64.rs | 150 ++++++++
vendor/redox_syscall/src/arch/nonredox.rs | 29 ++
vendor/redox_syscall/src/arch/riscv64.rs | 93 +++++
vendor/redox_syscall/src/arch/x86.rs | 184 +++++++++
vendor/redox_syscall/src/arch/x86_64.rs | 157 ++++++++
vendor/redox_syscall/src/call.rs | 364 ++++++++++++++++++
vendor/redox_syscall/src/data.rs | 356 ++++++++++++++++++
vendor/redox_syscall/src/error.rs | 313 ++++++++++++++++
vendor/redox_syscall/src/flag.rs | 374 ++++++++++++++++++
vendor/redox_syscall/src/io/dma.rs | 219 +++++++++++
vendor/redox_syscall/src/io/io.rs | 71 ++++
vendor/redox_syscall/src/io/mmio.rs | 168 +++++++++
vendor/redox_syscall/src/io/mod.rs | 15 +
vendor/redox_syscall/src/io/pio.rs | 90 +++++
vendor/redox_syscall/src/lib.rs | 61 +++
vendor/redox_syscall/src/number.rs | 89 +++++
vendor/redox_syscall/src/scheme/generate.sh | 25 ++
vendor/redox_syscall/src/scheme/mod.rs | 68 ++++
vendor/redox_syscall/src/scheme/scheme.rs | 194 ++++++++++
vendor/redox_syscall/src/scheme/scheme_block.rs | 194 ++++++++++
.../redox_syscall/src/scheme/scheme_block_mut.rs | 194 ++++++++++
vendor/redox_syscall/src/scheme/scheme_mut.rs | 194 ++++++++++
vendor/redox_syscall/src/scheme/seek.rs | 33 ++
vendor/redox_syscall/src/tests.rs | 416 +++++++++++++++++++++
24 files changed, 4051 insertions(+)
create mode 100644 vendor/redox_syscall/src/arch/aarch64.rs
create mode 100644 vendor/redox_syscall/src/arch/nonredox.rs
create mode 100644 vendor/redox_syscall/src/arch/riscv64.rs
create mode 100644 vendor/redox_syscall/src/arch/x86.rs
create mode 100644 vendor/redox_syscall/src/arch/x86_64.rs
create mode 100644 vendor/redox_syscall/src/call.rs
create mode 100644 vendor/redox_syscall/src/data.rs
create mode 100644 vendor/redox_syscall/src/error.rs
create mode 100644 vendor/redox_syscall/src/flag.rs
create mode 100644 vendor/redox_syscall/src/io/dma.rs
create mode 100644 vendor/redox_syscall/src/io/io.rs
create mode 100644 vendor/redox_syscall/src/io/mmio.rs
create mode 100644 vendor/redox_syscall/src/io/mod.rs
create mode 100644 vendor/redox_syscall/src/io/pio.rs
create mode 100644 vendor/redox_syscall/src/lib.rs
create mode 100644 vendor/redox_syscall/src/number.rs
create mode 100755 vendor/redox_syscall/src/scheme/generate.sh
create mode 100644 vendor/redox_syscall/src/scheme/mod.rs
create mode 100644 vendor/redox_syscall/src/scheme/scheme.rs
create mode 100644 vendor/redox_syscall/src/scheme/scheme_block.rs
create mode 100644 vendor/redox_syscall/src/scheme/scheme_block_mut.rs
create mode 100644 vendor/redox_syscall/src/scheme/scheme_mut.rs
create mode 100644 vendor/redox_syscall/src/scheme/seek.rs
create mode 100644 vendor/redox_syscall/src/tests.rs
(limited to 'vendor/redox_syscall/src')
diff --git a/vendor/redox_syscall/src/arch/aarch64.rs b/vendor/redox_syscall/src/arch/aarch64.rs
new file mode 100644
index 0000000..e792427
--- /dev/null
+++ b/vendor/redox_syscall/src/arch/aarch64.rs
@@ -0,0 +1,150 @@
+use core::{mem, slice};
+use core::ops::{Deref, DerefMut};
+
+use super::error::{Error, Result};
+
+pub const PAGE_SIZE: usize = 4096;
+
+macro_rules! syscall {
+ ($($name:ident($a:ident, $($b:ident, $($c:ident, $($d:ident, $($e:ident, $($f:ident, )?)?)?)?)?);)+) => {
+ $(
+ pub unsafe fn $name($a: usize, $($b: usize, $($c: usize, $($d: usize, $($e: usize, $($f: usize)?)?)?)?)?) -> Result<usize> {
+ let ret: usize;
+
+ core::arch::asm!(
+ "svc 0",
+ in("x8") $a,
+ $(
+ in("x0") $b,
+ $(
+ in("x1") $c,
+ $(
+ in("x2") $d,
+ $(
+ in("x3") $e,
+ $(
+ in("x4") $f,
+ )?
+ )?
+ )?
+ )?
+ )?
+ lateout("x0") ret,
+ options(nostack),
+ );
+
+ Error::demux(ret)
+ }
+ )+
+ };
+}
+
+syscall! {
+ syscall0(a,);
+ syscall1(a, b,);
+ syscall2(a, b, c,);
+ syscall3(a, b, c, d,);
+ syscall4(a, b, c, d, e,);
+ syscall5(a, b, c, d, e, f,);
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct IntRegisters {
+ pub x30: usize,
+ pub x29: usize,
+ pub x28: usize,
+ pub x27: usize,
+ pub x26: usize,
+ pub x25: usize,
+ pub x24: usize,
+ pub x23: usize,
+ pub x22: usize,
+ pub x21: usize,
+ pub x20: usize,
+ pub x19: usize,
+ pub x18: usize,
+ pub x17: usize,
+ pub x16: usize,
+ pub x15: usize,
+ pub x14: usize,
+ pub x13: usize,
+ pub x12: usize,
+ pub x11: usize,
+ pub x10: usize,
+ pub x9: usize,
+ pub x8: usize,
+ pub x7: usize,
+ pub x6: usize,
+ pub x5: usize,
+ pub x4: usize,
+ pub x3: usize,
+ pub x2: usize,
+ pub x1: usize,
+ pub x0: usize
+}
+
+impl Deref for IntRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const IntRegisters as *const u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+impl DerefMut for IntRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut IntRegisters as *mut u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct FloatRegisters {
+ pub fp_simd_regs: [u128; 32],
+ pub fpsr: u32,
+ pub fpcr: u32
+}
+
+impl Deref for FloatRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const FloatRegisters as *const u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+
+impl DerefMut for FloatRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut FloatRegisters as *mut u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct EnvRegisters {
+ pub tpidr_el0: usize,
+ pub tpidrro_el0: usize,
+}
+impl Deref for EnvRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const EnvRegisters as *const u8, mem::size_of::<EnvRegisters>())
+ }
+ }
+}
+
+impl DerefMut for EnvRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut EnvRegisters as *mut u8, mem::size_of::<EnvRegisters>())
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/arch/nonredox.rs b/vendor/redox_syscall/src/arch/nonredox.rs
new file mode 100644
index 0000000..65c44fc
--- /dev/null
+++ b/vendor/redox_syscall/src/arch/nonredox.rs
@@ -0,0 +1,29 @@
+use super::error::{Error, Result, ENOSYS};
+
+// Doesn't really matter, but since we will most likely run on an x86_64 host, why not 4096?
+pub const PAGE_SIZE: usize = 4096;
+
+pub unsafe fn syscall0(_a: usize) -> Result<usize> {
+ Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall1(_a: usize, _b: usize) -> Result<usize> {
+ Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall2(_a: usize, _b: usize, _c: usize) -> Result<usize> {
+ Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall3(_a: usize, _b: usize, _c: usize, _d: usize) -> Result<usize> {
+ Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall4(_a: usize, _b: usize, _c: usize, _d: usize, _e: usize) -> Result<usize> {
+ Err(Error::new(ENOSYS))
+}
+
+pub unsafe fn syscall5(_a: usize, _b: usize, _c: usize, _d: usize, _e: usize, _f: usize)
+ -> Result<usize> {
+ Err(Error::new(ENOSYS))
+}
diff --git a/vendor/redox_syscall/src/arch/riscv64.rs b/vendor/redox_syscall/src/arch/riscv64.rs
new file mode 100644
index 0000000..2a90260
--- /dev/null
+++ b/vendor/redox_syscall/src/arch/riscv64.rs
@@ -0,0 +1,93 @@
+use core::{mem, slice};
+use core::ops::{Deref, DerefMut};
+
+use super::error::{Error, Result};
+
+macro_rules! syscall {
+ ($($name:ident($a:ident, $($b:ident, $($c:ident, $($d:ident, $($e:ident, $($f:ident, )?)?)?)?)?);)+) => {
+ $(
+ pub unsafe fn $name($a: usize, $($b: usize, $($c: usize, $($d: usize, $($e: usize, $($f: usize)?)?)?)?)?) -> Result<usize> {
+ let ret: usize;
+
+ asm!(
+ "ecall",
+ in("a7") $a,
+ $(
+ in("a0") $b,
+ $(
+ in("a1") $c,
+ $(
+ in("a2") $d,
+ $(
+ in("a3") $e,
+ $(
+ in("a4") $f,
+ )?
+ )?
+ )?
+ )?
+ )?
+ lateout("a0") ret,
+ options(nostack),
+ );
+
+ Error::demux(ret)
+ }
+ )+
+ };
+}
+
+syscall! {
+ syscall0(a,);
+ syscall1(a, b,);
+ syscall2(a, b, c,);
+ syscall3(a, b, c, d,);
+ syscall4(a, b, c, d, e,);
+ syscall5(a, b, c, d, e, f,);
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct IntRegisters {
+ //TODO
+}
+
+impl Deref for IntRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const IntRegisters as *const u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+impl DerefMut for IntRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut IntRegisters as *mut u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct FloatRegisters {
+ //TODO
+}
+
+impl Deref for FloatRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const FloatRegisters as *const u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+
+impl DerefMut for FloatRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut FloatRegisters as *mut u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/arch/x86.rs b/vendor/redox_syscall/src/arch/x86.rs
new file mode 100644
index 0000000..54d8c0a
--- /dev/null
+++ b/vendor/redox_syscall/src/arch/x86.rs
@@ -0,0 +1,184 @@
+use core::{mem, slice};
+use core::arch::asm;
+use core::ops::{Deref, DerefMut};
+
+use super::error::{Error, Result};
+
+pub const PAGE_SIZE: usize = 4096;
+
+macro_rules! syscall {
+ ($($name:ident($a:ident, $($b:ident, $($c:ident, $($d:ident, $($e:ident, $($f:ident, )?)?)?)?)?);)+) => {
+ $(
+ pub unsafe fn $name(mut $a: usize, $($b: usize, $($c: usize, $($d: usize, $($e: usize, $($f: usize)?)?)?)?)?) -> Result<usize> {
+ asm!(
+ "int 0x80",
+ inout("eax") $a,
+ $(
+ in("ebx") $b,
+ $(
+ in("ecx") $c,
+ $(
+ in("edx") $d,
+ $(
+ in("esi") $e,
+ $(
+ in("edi") $f,
+ )?
+ )?
+ )?
+ )?
+ )?
+ options(nostack),
+ );
+
+ Error::demux($a)
+ }
+ )+
+ };
+}
+
+syscall! {
+ syscall0(a,);
+ syscall1(a, b,);
+ syscall2(a, b, c,);
+ syscall3(a, b, c, d,);
+ // Must be done custom because LLVM reserves ESI
+ //syscall4(a, b, c, d, e,);
+ //syscall5(a, b, c, d, e, f,);
+}
+
+pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize)
+ -> Result<usize> {
+ asm!(
+ "xchg esi, {e}
+ int 0x80
+ xchg esi, {e}",
+ e = in(reg) e,
+ inout("eax") a,
+ in("ebx") b,
+ in("ecx") c,
+ in("edx") d,
+ options(nostack),
+ );
+
+ Error::demux(a)
+}
+
+pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize)
+ -> Result<usize> {
+ asm!(
+ "xchg esi, {e}
+ int 0x80
+ xchg esi, {e}",
+ e = in(reg) e,
+ inout("eax") a,
+ in("ebx") b,
+ in("ecx") c,
+ in("edx") d,
+ in("edi") f,
+ options(nostack),
+ );
+
+ Error::demux(a)
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct IntRegisters {
+ // TODO: Some of these don't get set by Redox yet. Should they?
+
+ pub ebp: usize,
+ pub esi: usize,
+ pub edi: usize,
+ pub ebx: usize,
+ pub eax: usize,
+ pub ecx: usize,
+ pub edx: usize,
+ // pub orig_rax: usize,
+ pub eip: usize,
+ pub cs: usize,
+ pub eflags: usize,
+ pub esp: usize,
+ pub ss: usize,
+ // pub fs_base: usize,
+ // pub gs_base: usize,
+ // pub ds: usize,
+ // pub es: usize,
+ pub fs: usize,
+ // pub gs: usize
+}
+
+impl Deref for IntRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const IntRegisters as *const u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+impl DerefMut for IntRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut IntRegisters as *mut u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct FloatRegisters {
+ pub fcw: u16,
+ pub fsw: u16,
+ pub ftw: u8,
+ pub _reserved: u8,
+ pub fop: u16,
+ pub fip: u64,
+ pub fdp: u64,
+ pub mxcsr: u32,
+ pub mxcsr_mask: u32,
+ pub st_space: [u128; 8],
+ pub xmm_space: [u128; 16],
+ // TODO: YMM/ZMM
+}
+
+impl Deref for FloatRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const FloatRegisters as *const u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+
+impl DerefMut for FloatRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut FloatRegisters as *mut u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct EnvRegisters {
+ pub fsbase: u32,
+ pub gsbase: u32,
+}
+
+impl Deref for EnvRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const EnvRegisters as *const u8, mem::size_of::<EnvRegisters>())
+ }
+ }
+}
+
+impl DerefMut for EnvRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut EnvRegisters as *mut u8, mem::size_of::<EnvRegisters>())
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/arch/x86_64.rs b/vendor/redox_syscall/src/arch/x86_64.rs
new file mode 100644
index 0000000..2ff57bb
--- /dev/null
+++ b/vendor/redox_syscall/src/arch/x86_64.rs
@@ -0,0 +1,157 @@
+use core::{mem, slice};
+use core::arch::asm;
+use core::ops::{Deref, DerefMut};
+
+use super::error::{Error, Result};
+
+pub const PAGE_SIZE: usize = 4096;
+
+macro_rules! syscall {
+ ($($name:ident($a:ident, $($b:ident, $($c:ident, $($d:ident, $($e:ident, $($f:ident, )?)?)?)?)?);)+) => {
+ $(
+ pub unsafe fn $name(mut $a: usize, $($b: usize, $($c: usize, $($d: usize, $($e: usize, $($f: usize)?)?)?)?)?) -> Result<usize> {
+ asm!(
+ "syscall",
+ inout("rax") $a,
+ $(
+ in("rdi") $b,
+ $(
+ in("rsi") $c,
+ $(
+ in("rdx") $d,
+ $(
+ in("r10") $e,
+ $(
+ in("r8") $f,
+ )?
+ )?
+ )?
+ )?
+ )?
+ out("rcx") _,
+ out("r11") _,
+ options(nostack),
+ );
+
+ Error::demux($a)
+ }
+ )+
+ };
+}
+
+syscall! {
+ syscall0(a,);
+ syscall1(a, b,);
+ syscall2(a, b, c,);
+ syscall3(a, b, c, d,);
+ syscall4(a, b, c, d, e,);
+ syscall5(a, b, c, d, e, f,);
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct IntRegisters {
+ // TODO: Some of these don't get set by Redox yet. Should they?
+
+ pub r15: usize,
+ pub r14: usize,
+ pub r13: usize,
+ pub r12: usize,
+ pub rbp: usize,
+ pub rbx: usize,
+ pub r11: usize,
+ pub r10: usize,
+ pub r9: usize,
+ pub r8: usize,
+ pub rax: usize,
+ pub rcx: usize,
+ pub rdx: usize,
+ pub rsi: usize,
+ pub rdi: usize,
+ // pub orig_rax: usize,
+ pub rip: usize,
+ pub cs: usize,
+ pub rflags: usize,
+ pub rsp: usize,
+ pub ss: usize,
+ // pub fs_base: usize,
+ // pub gs_base: usize,
+ // pub ds: usize,
+ // pub es: usize,
+ pub fs: usize,
+ // pub gs: usize
+}
+
+impl Deref for IntRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const IntRegisters as *const u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+impl DerefMut for IntRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut IntRegisters as *mut u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct FloatRegisters {
+ pub fcw: u16,
+ pub fsw: u16,
+ pub ftw: u8,
+ pub _reserved: u8,
+ pub fop: u16,
+ pub fip: u64,
+ pub fdp: u64,
+ pub mxcsr: u32,
+ pub mxcsr_mask: u32,
+ pub st_space: [u128; 8],
+ pub xmm_space: [u128; 16],
+ // TODO: YMM/ZMM
+}
+
+impl Deref for FloatRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const FloatRegisters as *const u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+
+impl DerefMut for FloatRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut FloatRegisters as *mut u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct EnvRegisters {
+ pub fsbase: u64,
+ pub gsbase: u64,
+ // TODO: PKRU?
+}
+impl Deref for EnvRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const EnvRegisters as *const u8, mem::size_of::<EnvRegisters>())
+ }
+ }
+}
+
+impl DerefMut for EnvRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut EnvRegisters as *mut u8, mem::size_of::<EnvRegisters>())
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/call.rs b/vendor/redox_syscall/src/call.rs
new file mode 100644
index 0000000..87ba8a9
--- /dev/null
+++ b/vendor/redox_syscall/src/call.rs
@@ -0,0 +1,364 @@
+use super::arch::*;
+use super::data::{Map, SigAction, Stat, StatVfs, TimeSpec};
+use super::error::Result;
+use super::flag::*;
+use super::number::*;
+
+use core::{mem, ptr};
+
+// Signal restorer
+extern "C" fn restorer() -> ! {
+ sigreturn().unwrap();
+ unreachable!();
+}
+
+/// Close a file
+pub fn close(fd: usize) -> Result<usize> {
+ unsafe { syscall1(SYS_CLOSE, fd) }
+}
+
+/// Get the current system time
+pub fn clock_gettime(clock: usize, tp: &mut TimeSpec) -> Result<usize> {
+ unsafe { syscall2(SYS_CLOCK_GETTIME, clock, tp as *mut TimeSpec as usize) }
+}
+
+/// Copy and transform a file descriptor
+pub fn dup(fd: usize, buf: &[u8]) -> Result<usize> {
+ unsafe { syscall3(SYS_DUP, fd, buf.as_ptr() as usize, buf.len()) }
+}
+
+/// Copy and transform a file descriptor
+pub fn dup2(fd: usize, newfd: usize, buf: &[u8]) -> Result<usize> {
+ unsafe { syscall4(SYS_DUP2, fd, newfd, buf.as_ptr() as usize, buf.len()) }
+}
+
+/// Exit the current process
+pub fn exit(status: usize) -> Result<usize> {
+ unsafe { syscall1(SYS_EXIT, status) }
+}
+
+/// Change file permissions
+pub fn fchmod(fd: usize, mode: u16) -> Result<usize> {
+ unsafe { syscall2(SYS_FCHMOD, fd, mode as usize) }
+
+}
+
+/// Change file ownership
+pub fn fchown(fd: usize, uid: u32, gid: u32) -> Result<usize> {
+ unsafe { syscall3(SYS_FCHOWN, fd, uid as usize, gid as usize) }
+
+}
+
+/// Change file descriptor flags
+pub fn fcntl(fd: usize, cmd: usize, arg: usize) -> Result<usize> {
+ unsafe { syscall3(SYS_FCNTL, fd, cmd, arg) }
+}
+
+/// Map a file into memory, but with the ability to set the address to map into, either as a hint
+/// or as a requirement of the map.
+///
+/// # Errors
+/// `EACCES` - the file descriptor was not open for reading
+/// `EBADF` - if the file descriptor was invalid
+/// `ENODEV` - mmapping was not supported
+/// `EINVAL` - invalid combination of flags
+/// `EEXIST` - if [`MapFlags::MAP_FIXED`] was set, and the address specified was already in use.
+///
+pub unsafe fn fmap(fd: usize, map: &Map) -> Result<usize> {
+ syscall3(SYS_FMAP, fd, map as *const Map as usize, mem::size_of::<Map>())
+}
+
+/// Unmap whole (or partial) continous memory-mapped files
+pub unsafe fn funmap(addr: usize, len: usize) -> Result<usize> {
+ syscall2(SYS_FUNMAP, addr, len)
+}
+
+/// Retrieve the canonical path of a file
+pub fn fpath(fd: usize, buf: &mut [u8]) -> Result<usize> {
+ unsafe { syscall3(SYS_FPATH, fd, buf.as_mut_ptr() as usize, buf.len()) }
+}
+
+/// Rename a file
+pub fn frename<T: AsRef<str>>(fd: usize, path: T) -> Result<usize> {
+ unsafe { syscall3(SYS_FRENAME, fd, path.as_ref().as_ptr() as usize, path.as_ref().len()) }
+}
+
+/// Get metadata about a file
+pub fn fstat(fd: usize, stat: &mut Stat) -> Result<usize> {
+ unsafe { syscall3(SYS_FSTAT, fd, stat as *mut Stat as usize, mem::size_of::<Stat>()) }
+}
+
+/// Get metadata about a filesystem
+pub fn fstatvfs(fd: usize, stat: &mut StatVfs) -> Result<usize> {
+ unsafe { syscall3(SYS_FSTATVFS, fd, stat as *mut StatVfs as usize, mem::size_of::<StatVfs>()) }
+}
+
+/// Sync a file descriptor to its underlying medium
+pub fn fsync(fd: usize) -> Result<usize> {
+ unsafe { syscall1(SYS_FSYNC, fd) }
+}
+
+/// Truncate or extend a file to a specified length
+pub fn ftruncate(fd: usize, len: usize) -> Result<usize> {
+ unsafe { syscall2(SYS_FTRUNCATE, fd, len) }
+}
+
+// Change modify and/or access times
+pub fn futimens(fd: usize, times: &[TimeSpec]) -> Result<usize> {
+ unsafe { syscall3(SYS_FUTIMENS, fd, times.as_ptr() as usize, times.len() * mem::size_of::<TimeSpec>()) }
+}
+
+/// Fast userspace mutex
+pub unsafe fn futex(addr: *mut i32, op: usize, val: i32, val2: usize, addr2: *mut i32)
+ -> Result<usize> {
+ syscall5(SYS_FUTEX, addr as usize, op, (val as isize) as usize, val2, addr2 as usize)
+}
+
+/// Get the effective group ID
+pub fn getegid() -> Result<usize> {
+ unsafe { syscall0(SYS_GETEGID) }
+}
+
+/// Get the effective namespace
+pub fn getens() -> Result<usize> {
+ unsafe { syscall0(SYS_GETENS) }
+}
+
+/// Get the effective user ID
+pub fn geteuid() -> Result<usize> {
+ unsafe { syscall0(SYS_GETEUID) }
+}
+
+/// Get the current group ID
+pub fn getgid() -> Result<usize> {
+ unsafe { syscall0(SYS_GETGID) }
+}
+
+/// Get the current namespace
+pub fn getns() -> Result<usize> {
+ unsafe { syscall0(SYS_GETNS) }
+}
+
+/// Get the current process ID
+pub fn getpid() -> Result<usize> {
+ unsafe { syscall0(SYS_GETPID) }
+}
+
+/// Get the process group ID
+pub fn getpgid(pid: usize) -> Result<usize> {
+ unsafe { syscall1(SYS_GETPGID, pid) }
+}
+
+/// Get the parent process ID
+pub fn getppid() -> Result<usize> {
+ unsafe { syscall0(SYS_GETPPID) }
+}
+
+/// Get the current user ID
+pub fn getuid() -> Result<usize> {
+ unsafe { syscall0(SYS_GETUID) }
+}
+
+/// Set the I/O privilege level
+///
+/// # Errors
+///
+/// * `EPERM` - `uid != 0`
+/// * `EINVAL` - `level > 3`
+pub unsafe fn iopl(level: usize) -> Result<usize> {
+ syscall1(SYS_IOPL, level)
+}
+
+/// Send a signal `sig` to the process identified by `pid`
+pub fn kill(pid: usize, sig: usize) -> Result<usize> {
+ unsafe { syscall2(SYS_KILL, pid, sig) }
+}
+
+/// Create a link to a file
+pub unsafe fn link(old: *const u8, new: *const u8) -> Result<usize> {
+ syscall2(SYS_LINK, old as usize, new as usize)
+}
+
+/// Seek to `offset` bytes in a file descriptor
+pub fn lseek(fd: usize, offset: isize, whence: usize) -> Result<usize> {
+ unsafe { syscall3(SYS_LSEEK, fd, offset as usize, whence) }
+}
+
+/// Make a new scheme namespace
+pub fn mkns(schemes: &[[usize; 2]]) -> Result<usize> {
+ unsafe { syscall2(SYS_MKNS, schemes.as_ptr() as usize, schemes.len()) }
+}
+
+/// Change mapping flags
+pub unsafe fn mprotect(addr: usize, size: usize, flags: MapFlags) -> Result<usize> {
+ syscall3(SYS_MPROTECT, addr, size, flags.bits())
+}
+
+/// Sleep for the time specified in `req`
+pub fn nanosleep(req: &TimeSpec, rem: &mut TimeSpec) -> Result<usize> {
+ unsafe { syscall2(SYS_NANOSLEEP, req as *const TimeSpec as usize,
+ rem as *mut TimeSpec as usize) }
+}
+
+/// Open a file
+pub fn open<T: AsRef<str>>(path: T, flags: usize) -> Result<usize> {
+ unsafe { syscall3(SYS_OPEN, path.as_ref().as_ptr() as usize, path.as_ref().len(), flags) }
+}
+
+/// Allocate frames, linearly in physical memory.
+///
+/// # Errors
+///
+/// * `EPERM` - `uid != 0`
+/// * `ENOMEM` - the system has run out of available memory
+pub unsafe fn physalloc(size: usize) -> Result<usize> {
+ syscall1(SYS_PHYSALLOC, size)
+}
+
+/// Allocate frames, linearly in physical memory, with an extra set of flags. If the flags contain
+/// [`PARTIAL_ALLOC`], this will result in `physalloc3` with `min = 1`.
+///
+/// Refer to the simpler [`physalloc`] and the more complex [`physalloc3`], that this convenience
+/// function is based on.
+///
+/// # Errors
+///
+/// * `EPERM` - `uid != 0`
+/// * `ENOMEM` - the system has run out of available memory
+pub unsafe fn physalloc2(size: usize, flags: usize) -> Result<usize> {
+ let mut ret = 1usize;
+ physalloc3(size, flags, &mut ret)
+}
+
+/// Allocate frames, linearly in physical memory, with an extra set of flags. If the flags contain
+/// [`PARTIAL_ALLOC`], the `min` parameter specifies the number of frames that have to be allocated
+/// for this operation to succeed. The return value is the offset of the first frame, and `min` is
+/// overwritten with the number of frames actually allocated.
+///
+/// Refer to the simpler [`physalloc`] and the simpler library function [`physalloc2`].
+///
+/// # Errors
+///
+/// * `EPERM` - `uid != 0`
+/// * `ENOMEM` - the system has run out of available memory
+/// * `EINVAL` - `min = 0`
+pub unsafe fn physalloc3(size: usize, flags: usize, min: &mut usize) -> Result<usize> {
+ syscall3(SYS_PHYSALLOC3, size, flags, min as *mut usize as usize)
+}
+
+/// Free physically allocated pages
+///
+/// # Errors
+///
+/// * `EPERM` - `uid != 0`
+pub unsafe fn physfree(physical_address: usize, size: usize) -> Result<usize> {
+ syscall2(SYS_PHYSFREE, physical_address, size)
+}
+
+/// Map physical memory to virtual memory
+///
+/// # Errors
+///
+/// * `EPERM` - `uid != 0`
+pub unsafe fn physmap(physical_address: usize, size: usize, flags: PhysmapFlags) -> Result<usize> {
+ syscall3(SYS_PHYSMAP, physical_address, size, flags.bits())
+}
+
+/// Read from a file descriptor into a buffer
+pub fn read(fd: usize, buf: &mut [u8]) -> Result<usize> {
+ unsafe { syscall3(SYS_READ, fd, buf.as_mut_ptr() as usize, buf.len()) }
+}
+
+/// Remove a directory
+pub fn rmdir<T: AsRef<str>>(path: T) -> Result<usize> {
+ unsafe { syscall2(SYS_RMDIR, path.as_ref().as_ptr() as usize, path.as_ref().len()) }
+}
+
+/// Set the process group ID
+pub fn setpgid(pid: usize, pgid: usize) -> Result<usize> {
+ unsafe { syscall2(SYS_SETPGID, pid, pgid) }
+}
+
+/// Set the current process group IDs
+pub fn setregid(rgid: usize, egid: usize) -> Result<usize> {
+ unsafe { syscall2(SYS_SETREGID, rgid, egid) }
+}
+
+/// Make a new scheme namespace
+pub fn setrens(rns: usize, ens: usize) -> Result<usize> {
+ unsafe { syscall2(SYS_SETRENS, rns, ens) }
+}
+
+/// Set the current process user IDs
+pub fn setreuid(ruid: usize, euid: usize) -> Result<usize> {
+ unsafe { syscall2(SYS_SETREUID, ruid, euid) }
+}
+
+/// Set up a signal handler
+pub fn sigaction(sig: usize, act: Option<&SigAction>, oldact: Option<&mut SigAction>) -> Result<usize> {
+ unsafe { syscall4(SYS_SIGACTION, sig,
+ act.map(|x| x as *const _).unwrap_or_else(ptr::null) as usize,
+ oldact.map(|x| x as *mut _).unwrap_or_else(ptr::null_mut) as usize,
+ restorer as usize) }
+}
+
+/// Get and/or set signal masks
+pub fn sigprocmask(how: usize, set: Option<&[u64; 2]>, oldset: Option<&mut [u64; 2]>) -> Result<usize> {
+ unsafe { syscall3(SYS_SIGPROCMASK, how,
+ set.map(|x| x as *const _).unwrap_or_else(ptr::null) as usize,
+ oldset.map(|x| x as *mut _).unwrap_or_else(ptr::null_mut) as usize) }
+}
+
+// Return from signal handler
+pub fn sigreturn() -> Result<usize> {
+ unsafe { syscall0(SYS_SIGRETURN) }
+}
+
+/// Set the file mode creation mask
+pub fn umask(mask: usize) -> Result<usize> {
+ unsafe { syscall1(SYS_UMASK, mask) }
+}
+
+/// Remove a file
+pub fn unlink<T: AsRef<str>>(path: T) -> Result<usize> {
+ unsafe { syscall2(SYS_UNLINK, path.as_ref().as_ptr() as usize, path.as_ref().len()) }
+}
+
+/// Convert a virtual address to a physical one
+///
+/// # Errors
+///
+/// * `EPERM` - `uid != 0`
+pub unsafe fn virttophys(virtual_address: usize) -> Result<usize> {
+ syscall1(SYS_VIRTTOPHYS, virtual_address)
+}
+
+/// Check if a child process has exited or received a signal
+pub fn waitpid(pid: usize, status: &mut usize, options: WaitFlags) -> Result<usize> {
+ unsafe { syscall3(SYS_WAITPID, pid, status as *mut usize as usize, options.bits()) }
+}
+
+/// Write a buffer to a file descriptor
+///
+/// The kernel will attempt to write the bytes in `buf` to the file descriptor `fd`, returning
+/// either an `Err`, explained below, or `Ok(count)` where `count` is the number of bytes which
+/// were written.
+///
+/// # Errors
+///
+/// * `EAGAIN` - the file descriptor was opened with `O_NONBLOCK` and writing would block
+/// * `EBADF` - the file descriptor is not valid or is not open for writing
+/// * `EFAULT` - `buf` does not point to the process's addressible memory
+/// * `EIO` - an I/O error occurred
+/// * `ENOSPC` - the device containing the file descriptor has no room for data
+/// * `EPIPE` - the file descriptor refers to a pipe or socket whose reading end is closed
+pub fn write(fd: usize, buf: &[u8]) -> Result<usize> {
+ unsafe { syscall3(SYS_WRITE, fd, buf.as_ptr() as usize, buf.len()) }
+}
+
+/// Yield the process's time slice to the kernel
+///
+/// This function will return Ok(0) on success
+pub fn sched_yield() -> Result<usize> {
+ unsafe { syscall0(SYS_YIELD) }
+}
diff --git a/vendor/redox_syscall/src/data.rs b/vendor/redox_syscall/src/data.rs
new file mode 100644
index 0000000..c938697
--- /dev/null
+++ b/vendor/redox_syscall/src/data.rs
@@ -0,0 +1,356 @@
+use core::ops::{Deref, DerefMut};
+use core::{mem, slice};
+use crate::flag::{EventFlags, MapFlags, PtraceFlags, SigActionFlags};
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct Event {
+ pub id: usize,
+ pub flags: EventFlags,
+ pub data: usize
+}
+
+impl Deref for Event {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const Event as *const u8, mem::size_of::<Event>())
+ }
+ }
+}
+
+impl DerefMut for Event {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut Event as *mut u8, mem::size_of::<Event>())
+ }
+ }
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct ITimerSpec {
+ pub it_interval: TimeSpec,
+ pub it_value: TimeSpec,
+}
+
+impl Deref for ITimerSpec {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const ITimerSpec as *const u8,
+ mem::size_of::<ITimerSpec>())
+ }
+ }
+}
+
+impl DerefMut for ITimerSpec {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut ITimerSpec as *mut u8,
+ mem::size_of::<ITimerSpec>())
+ }
+ }
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct OldMap {
+ pub offset: usize,
+ pub size: usize,
+ pub flags: MapFlags,
+}
+
+impl Deref for OldMap {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const OldMap as *const u8, mem::size_of::<OldMap>())
+ }
+ }
+}
+
+impl DerefMut for OldMap {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut OldMap as *mut u8, mem::size_of::<OldMap>())
+ }
+ }
+}
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct Map {
+ /// The offset inside the file that is being mapped.
+ pub offset: usize,
+
+ /// The size of the memory map.
+ pub size: usize,
+
+ /// Contains both prot and map flags.
+ pub flags: MapFlags,
+
+ /// Functions as a hint to where in the virtual address space of the running process, to place
+ /// the memory map. If [`MapFlags::MAP_FIXED`] is set, then this address must be the address to
+ /// map to.
+ pub address: usize,
+}
+
+impl Deref for Map {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const Map as *const u8, mem::size_of::<Map>())
+ }
+ }
+}
+
+impl DerefMut for Map {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut Map as *mut u8, mem::size_of::<Map>())
+ }
+ }
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct Packet {
+ pub id: u64,
+ pub pid: usize,
+ pub uid: u32,
+ pub gid: u32,
+ pub a: usize,
+ pub b: usize,
+ pub c: usize,
+ pub d: usize
+}
+
+impl Deref for Packet {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const Packet as *const u8, mem::size_of::<Packet>())
+ }
+ }
+}
+
+impl DerefMut for Packet {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut Packet as *mut u8, mem::size_of::<Packet>())
+ }
+ }
+}
+
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct SigAction {
+ pub sa_handler: Option<extern "C" fn(usize)>,
+ pub sa_mask: [u64; 2],
+ pub sa_flags: SigActionFlags,
+}
+impl Deref for SigAction {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const SigAction as *const u8,
+ mem::size_of::<SigAction>())
+ }
+ }
+}
+
+impl DerefMut for SigAction {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut SigAction as *mut u8,
+ mem::size_of::<SigAction>())
+ }
+ }
+}
+
+#[allow(dead_code)]
+unsafe fn _assert_size_of_function_is_sane() {
+ // Transmuting will complain *at compile time* if sizes differ.
+ // Rust forbids a fn-pointer from being 0 so to allow SIG_DFL to
+ // exist, we use Option<extern "C" fn(usize)> which will mean 0
+ // becomes None
+ let _ = mem::transmute::<Option<extern "C" fn(usize)>, usize>(None);
+}
+
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct Stat {
+ pub st_dev: u64,
+ pub st_ino: u64,
+ pub st_mode: u16,
+ pub st_nlink: u32,
+ pub st_uid: u32,
+ pub st_gid: u32,
+ pub st_size: u64,
+ pub st_blksize: u32,
+ pub st_blocks: u64,
+ pub st_mtime: u64,
+ pub st_mtime_nsec: u32,
+ pub st_atime: u64,
+ pub st_atime_nsec: u32,
+ pub st_ctime: u64,
+ pub st_ctime_nsec: u32,
+}
+
+impl Deref for Stat {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const Stat as *const u8,
+ mem::size_of::<Stat>())
+ }
+ }
+}
+
+impl DerefMut for Stat {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut Stat as *mut u8,
+ mem::size_of::<Stat>())
+ }
+ }
+}
+
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct StatVfs {
+ pub f_bsize: u32,
+ pub f_blocks: u64,
+ pub f_bfree: u64,
+ pub f_bavail: u64,
+}
+
+impl Deref for StatVfs {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const StatVfs as *const u8,
+ mem::size_of::<StatVfs>())
+ }
+ }
+}
+
+impl DerefMut for StatVfs {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut StatVfs as *mut u8,
+ mem::size_of::<StatVfs>())
+ }
+ }
+}
+
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct TimeSpec {
+ pub tv_sec: i64,
+ pub tv_nsec: i32,
+}
+
+impl Deref for TimeSpec {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const TimeSpec as *const u8,
+ mem::size_of::<TimeSpec>())
+ }
+ }
+}
+
+impl DerefMut for TimeSpec {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut TimeSpec as *mut u8,
+ mem::size_of::<TimeSpec>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(C)]
+pub struct PtraceEvent {
+ pub cause: PtraceFlags,
+ pub a: usize,
+ pub b: usize,
+ pub c: usize,
+ pub d: usize,
+ pub e: usize,
+ pub f: usize
+}
+
+impl Deref for PtraceEvent {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const PtraceEvent as *const u8, mem::size_of::<PtraceEvent>())
+ }
+ }
+}
+
+impl DerefMut for PtraceEvent {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut PtraceEvent as *mut u8, mem::size_of::<PtraceEvent>())
+ }
+ }
+}
+
+#[macro_export]
+macro_rules! ptrace_event {
+ ($cause:expr $(, $a:expr $(, $b:expr $(, $c:expr)?)?)?) => {
+ $crate::data::PtraceEvent {
+ cause: $cause,
+ $(a: $a,
+ $(b: $b,
+ $(c: $c,)?
+ )?
+ )?
+ ..Default::default()
+ }
+ }
+}
+
+bitflags::bitflags! {
+ #[derive(Default)]
+ pub struct GrantFlags: usize {
+ const GRANT_READ = 0x0000_0001;
+ const GRANT_WRITE = 0x0000_0002;
+ const GRANT_EXEC = 0x0000_0004;
+
+ const GRANT_SHARED = 0x0000_0008;
+ const GRANT_LAZY = 0x0000_0010;
+ const GRANT_SCHEME = 0x0000_0020;
+ const GRANT_PHYS = 0x0000_0040;
+ const GRANT_PINNED = 0x0000_0080;
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(C)]
+pub struct GrantDesc {
+ pub base: usize,
+ pub size: usize,
+ pub flags: GrantFlags,
+ pub offset: u64,
+}
+
+impl Deref for GrantDesc {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const GrantDesc as *const u8, mem::size_of::<GrantDesc>())
+ }
+ }
+}
+
+impl DerefMut for GrantDesc {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut GrantDesc as *mut u8, mem::size_of::<GrantDesc>())
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/error.rs b/vendor/redox_syscall/src/error.rs
new file mode 100644
index 0000000..5cc0bfc
--- /dev/null
+++ b/vendor/redox_syscall/src/error.rs
@@ -0,0 +1,313 @@
+use core::{fmt, result};
+
+#[derive(Eq, PartialEq)]
+pub struct Error {
+ pub errno: i32,
+}
+
+pub type Result<T, E = Error> = result::Result<T, E>;
+
+impl Error {
+ pub fn new(errno: i32) -> Error {
+ Error { errno: errno }
+ }
+
+ pub fn mux(result: Result<usize>) -> usize {
+ match result {
+ Ok(value) => value,
+ Err(error) => -error.errno as usize,
+ }
+ }
+
+ pub fn demux(value: usize) -> Result<usize> {
+ let errno = -(value as i32);
+ if errno >= 1 && errno < STR_ERROR.len() as i32 {
+ Err(Error::new(errno))
+ } else {
+ Ok(value)
+ }
+ }
+
+ pub fn text(&self) -> &'static str {
+ STR_ERROR.get(self.errno as usize).map(|&x| x).unwrap_or("Unknown Error")
+ }
+}
+
+impl fmt::Debug for Error {
+ fn fmt(&self, f: &mut fmt::Formatter) -> result::Result<(), fmt::Error> {
+ f.write_str(self.text())
+ }
+}
+
+impl fmt::Display for Error {
+ fn fmt(&self, f: &mut fmt::Formatter) -> result::Result<(), fmt::Error> {
+ f.write_str(self.text())
+ }
+}
+
+pub const EPERM: i32 = 1; /* Operation not permitted */
+pub const ENOENT: i32 = 2; /* No such file or directory */
+pub const ESRCH: i32 = 3; /* No such process */
+pub const EINTR: i32 = 4; /* Interrupted system call */
+pub const EIO: i32 = 5; /* I/O error */
+pub const ENXIO: i32 = 6; /* No such device or address */
+pub const E2BIG: i32 = 7; /* Argument list too long */
+pub const ENOEXEC: i32 = 8; /* Exec format error */
+pub const EBADF: i32 = 9; /* Bad file number */
+pub const ECHILD: i32 = 10; /* No child processes */
+pub const EAGAIN: i32 = 11; /* Try again */
+pub const ENOMEM: i32 = 12; /* Out of memory */
+pub const EACCES: i32 = 13; /* Permission denied */
+pub const EFAULT: i32 = 14; /* Bad address */
+pub const ENOTBLK: i32 = 15; /* Block device required */
+pub const EBUSY: i32 = 16; /* Device or resource busy */
+pub const EEXIST: i32 = 17; /* File exists */
+pub const EXDEV: i32 = 18; /* Cross-device link */
+pub const ENODEV: i32 = 19; /* No such device */
+pub const ENOTDIR: i32 = 20; /* Not a directory */
+pub const EISDIR: i32 = 21; /* Is a directory */
+pub const EINVAL: i32 = 22; /* Invalid argument */
+pub const ENFILE: i32 = 23; /* File table overflow */
+pub const EMFILE: i32 = 24; /* Too many open files */
+pub const ENOTTY: i32 = 25; /* Not a typewriter */
+pub const ETXTBSY: i32 = 26; /* Text file busy */
+pub const EFBIG: i32 = 27; /* File too large */
+pub const ENOSPC: i32 = 28; /* No space left on device */
+pub const ESPIPE: i32 = 29; /* Illegal seek */
+pub const EROFS: i32 = 30; /* Read-only file system */
+pub const EMLINK: i32 = 31; /* Too many links */
+pub const EPIPE: i32 = 32; /* Broken pipe */
+pub const EDOM: i32 = 33; /* Math argument out of domain of func */
+pub const ERANGE: i32 = 34; /* Math result not representable */
+pub const EDEADLK: i32 = 35; /* Resource deadlock would occur */
+pub const ENAMETOOLONG: i32 = 36; /* File name too long */
+pub const ENOLCK: i32 = 37; /* No record locks available */
+pub const ENOSYS: i32 = 38; /* Function not implemented */
+pub const ENOTEMPTY: i32 = 39; /* Directory not empty */
+pub const ELOOP: i32 = 40; /* Too many symbolic links encountered */
+pub const EWOULDBLOCK: i32 = 41; /* Operation would block */
+pub const ENOMSG: i32 = 42; /* No message of desired type */
+pub const EIDRM: i32 = 43; /* Identifier removed */
+pub const ECHRNG: i32 = 44; /* Channel number out of range */
+pub const EL2NSYNC: i32 = 45; /* Level 2 not synchronized */
+pub const EL3HLT: i32 = 46; /* Level 3 halted */
+pub const EL3RST: i32 = 47; /* Level 3 reset */
+pub const ELNRNG: i32 = 48; /* Link number out of range */
+pub const EUNATCH: i32 = 49; /* Protocol driver not attached */
+pub const ENOCSI: i32 = 50; /* No CSI structure available */
+pub const EL2HLT: i32 = 51; /* Level 2 halted */
+pub const EBADE: i32 = 52; /* Invalid exchange */
+pub const EBADR: i32 = 53; /* Invalid request descriptor */
+pub const EXFULL: i32 = 54; /* Exchange full */
+pub const ENOANO: i32 = 55; /* No anode */
+pub const EBADRQC: i32 = 56; /* Invalid request code */
+pub const EBADSLT: i32 = 57; /* Invalid slot */
+pub const EDEADLOCK: i32 = 58; /* Resource deadlock would occur */
+pub const EBFONT: i32 = 59; /* Bad font file format */
+pub const ENOSTR: i32 = 60; /* Device not a stream */
+pub const ENODATA: i32 = 61; /* No data available */
+pub const ETIME: i32 = 62; /* Timer expired */
+pub const ENOSR: i32 = 63; /* Out of streams resources */
+pub const ENONET: i32 = 64; /* Machine is not on the network */
+pub const ENOPKG: i32 = 65; /* Package not installed */
+pub const EREMOTE: i32 = 66; /* Object is remote */
+pub const ENOLINK: i32 = 67; /* Link has been severed */
+pub const EADV: i32 = 68; /* Advertise error */
+pub const ESRMNT: i32 = 69; /* Srmount error */
+pub const ECOMM: i32 = 70; /* Communication error on send */
+pub const EPROTO: i32 = 71; /* Protocol error */
+pub const EMULTIHOP: i32 = 72; /* Multihop attempted */
+pub const EDOTDOT: i32 = 73; /* RFS specific error */
+pub const EBADMSG: i32 = 74; /* Not a data message */
+pub const EOVERFLOW: i32 = 75; /* Value too large for defined data type */
+pub const ENOTUNIQ: i32 = 76; /* Name not unique on network */
+pub const EBADFD: i32 = 77; /* File descriptor in bad state */
+pub const EREMCHG: i32 = 78; /* Remote address changed */
+pub const ELIBACC: i32 = 79; /* Can not access a needed shared library */
+pub const ELIBBAD: i32 = 80; /* Accessing a corrupted shared library */
+pub const ELIBSCN: i32 = 81; /* .lib section in a.out corrupted */
+pub const ELIBMAX: i32 = 82; /* Attempting to link in too many shared libraries */
+pub const ELIBEXEC: i32 = 83; /* Cannot exec a shared library directly */
+pub const EILSEQ: i32 = 84; /* Illegal byte sequence */
+pub const ERESTART: i32 = 85; /* Interrupted system call should be restarted */
+pub const ESTRPIPE: i32 = 86; /* Streams pipe error */
+pub const EUSERS: i32 = 87; /* Too many users */
+pub const ENOTSOCK: i32 = 88; /* Socket operation on non-socket */
+pub const EDESTADDRREQ: i32 = 89; /* Destination address required */
+pub const EMSGSIZE: i32 = 90; /* Message too long */
+pub const EPROTOTYPE: i32 = 91; /* Protocol wrong type for socket */
+pub const ENOPROTOOPT: i32 = 92; /* Protocol not available */
+pub const EPROTONOSUPPORT: i32 = 93; /* Protocol not supported */
+pub const ESOCKTNOSUPPORT: i32 = 94; /* Socket type not supported */
+pub const EOPNOTSUPP: i32 = 95; /* Operation not supported on transport endpoint */
+pub const EPFNOSUPPORT: i32 = 96; /* Protocol family not supported */
+pub const EAFNOSUPPORT: i32 = 97; /* Address family not supported by protocol */
+pub const EADDRINUSE: i32 = 98; /* Address already in use */
+pub const EADDRNOTAVAIL: i32 = 99; /* Cannot assign requested address */
+pub const ENETDOWN: i32 = 100; /* Network is down */
+pub const ENETUNREACH: i32 = 101; /* Network is unreachable */
+pub const ENETRESET: i32 = 102; /* Network dropped connection because of reset */
+pub const ECONNABORTED: i32 = 103; /* Software caused connection abort */
+pub const ECONNRESET: i32 = 104; /* Connection reset by peer */
+pub const ENOBUFS: i32 = 105; /* No buffer space available */
+pub const EISCONN: i32 = 106; /* Transport endpoint is already connected */
+pub const ENOTCONN: i32 = 107; /* Transport endpoint is not connected */
+pub const ESHUTDOWN: i32 = 108; /* Cannot send after transport endpoint shutdown */
+pub const ETOOMANYREFS: i32 = 109; /* Too many references: cannot splice */
+pub const ETIMEDOUT: i32 = 110; /* Connection timed out */
+pub const ECONNREFUSED: i32 = 111; /* Connection refused */
+pub const EHOSTDOWN: i32 = 112; /* Host is down */
+pub const EHOSTUNREACH: i32 = 113; /* No route to host */
+pub const EALREADY: i32 = 114; /* Operation already in progress */
+pub const EINPROGRESS: i32 = 115; /* Operation now in progress */
+pub const ESTALE: i32 = 116; /* Stale NFS file handle */
+pub const EUCLEAN: i32 = 117; /* Structure needs cleaning */
+pub const ENOTNAM: i32 = 118; /* Not a XENIX named type file */
+pub const ENAVAIL: i32 = 119; /* No XENIX semaphores available */
+pub const EISNAM: i32 = 120; /* Is a named type file */
+pub const EREMOTEIO: i32 = 121; /* Remote I/O error */
+pub const EDQUOT: i32 = 122; /* Quota exceeded */
+pub const ENOMEDIUM: i32 = 123; /* No medium found */
+pub const EMEDIUMTYPE: i32 = 124; /* Wrong medium type */
+pub const ECANCELED: i32 = 125; /* Operation Canceled */
+pub const ENOKEY: i32 = 126; /* Required key not available */
+pub const EKEYEXPIRED: i32 = 127; /* Key has expired */
+pub const EKEYREVOKED: i32 = 128; /* Key has been revoked */
+pub const EKEYREJECTED: i32 = 129; /* Key was rejected by service */
+pub const EOWNERDEAD: i32 = 130; /* Owner died */
+pub const ENOTRECOVERABLE: i32 = 131; /* State not recoverable */
+pub const ESKMSG: i32 = 132; /* Scheme-kernel message code */
+
+pub static STR_ERROR: [&'static str; 133] = ["Success",
+ "Operation not permitted",
+ "No such file or directory",
+ "No such process",
+ "Interrupted system call",
+ "I/O error",
+ "No such device or address",
+ "Argument list too long",
+ "Exec format error",
+ "Bad file number",
+ "No child processes",
+ "Try again",
+ "Out of memory",
+ "Permission denied",
+ "Bad address",
+ "Block device required",
+ "Device or resource busy",
+ "File exists",
+ "Cross-device link",
+ "No such device",
+ "Not a directory",
+ "Is a directory",
+ "Invalid argument",
+ "File table overflow",
+ "Too many open files",
+ "Not a typewriter",
+ "Text file busy",
+ "File too large",
+ "No space left on device",
+ "Illegal seek",
+ "Read-only file system",
+ "Too many links",
+ "Broken pipe",
+ "Math argument out of domain of func",
+ "Math result not representable",
+ "Resource deadlock would occur",
+ "File name too long",
+ "No record locks available",
+ "Function not implemented",
+ "Directory not empty",
+ "Too many symbolic links encountered",
+ "Operation would block",
+ "No message of desired type",
+ "Identifier removed",
+ "Channel number out of range",
+ "Level 2 not synchronized",
+ "Level 3 halted",
+ "Level 3 reset",
+ "Link number out of range",
+ "Protocol driver not attached",
+ "No CSI structure available",
+ "Level 2 halted",
+ "Invalid exchange",
+ "Invalid request descriptor",
+ "Exchange full",
+ "No anode",
+ "Invalid request code",
+ "Invalid slot",
+ "Resource deadlock would occur",
+ "Bad font file format",
+ "Device not a stream",
+ "No data available",
+ "Timer expired",
+ "Out of streams resources",
+ "Machine is not on the network",
+ "Package not installed",
+ "Object is remote",
+ "Link has been severed",
+ "Advertise error",
+ "Srmount error",
+ "Communication error on send",
+ "Protocol error",
+ "Multihop attempted",
+ "RFS specific error",
+ "Not a data message",
+ "Value too large for defined data type",
+ "Name not unique on network",
+ "File descriptor in bad state",
+ "Remote address changed",
+ "Can not access a needed shared library",
+ "Accessing a corrupted shared library",
+ ".lib section in a.out corrupted",
+ "Attempting to link in too many shared libraries",
+ "Cannot exec a shared library directly",
+ "Illegal byte sequence",
+ "Interrupted system call should be restarted",
+ "Streams pipe error",
+ "Too many users",
+ "Socket operation on non-socket",
+ "Destination address required",
+ "Message too long",
+ "Protocol wrong type for socket",
+ "Protocol not available",
+ "Protocol not supported",
+ "Socket type not supported",
+ "Operation not supported on transport endpoint",
+ "Protocol family not supported",
+ "Address family not supported by protocol",
+ "Address already in use",
+ "Cannot assign requested address",
+ "Network is down",
+ "Network is unreachable",
+ "Network dropped connection because of reset",
+ "Software caused connection abort",
+ "Connection reset by peer",
+ "No buffer space available",
+ "Transport endpoint is already connected",
+ "Transport endpoint is not connected",
+ "Cannot send after transport endpoint shutdown",
+ "Too many references: cannot splice",
+ "Connection timed out",
+ "Connection refused",
+ "Host is down",
+ "No route to host",
+ "Operation already in progress",
+ "Operation now in progress",
+ "Stale NFS file handle",
+ "Structure needs cleaning",
+ "Not a XENIX named type file",
+ "No XENIX semaphores available",
+ "Is a named type file",
+ "Remote I/O error",
+ "Quota exceeded",
+ "No medium found",
+ "Wrong medium type",
+ "Operation Canceled",
+ "Required key not available",
+ "Key has expired",
+ "Key has been revoked",
+ "Key was rejected by service",
+ "Owner died",
+ "State not recoverable",
+ "Scheme-kernel message code"];
diff --git a/vendor/redox_syscall/src/flag.rs b/vendor/redox_syscall/src/flag.rs
new file mode 100644
index 0000000..45a6e42
--- /dev/null
+++ b/vendor/redox_syscall/src/flag.rs
@@ -0,0 +1,374 @@
+use bitflags::bitflags as inner_bitflags;
+use core::{mem, ops::Deref, slice};
+
+macro_rules! bitflags {
+ (
+ $(#[$outer:meta])*
+ pub struct $BitFlags:ident: $T:ty {
+ $(
+ $(#[$inner:ident $($args:tt)*])*
+ const $Flag:ident = $value:expr;
+ )+
+ }
+ ) => {
+ // First, use the inner bitflags
+ inner_bitflags! {
+ #[derive(Default)]
+ $(#[$outer])*
+ pub struct $BitFlags: $T {
+ $(
+ $(#[$inner $($args)*])*
+ const $Flag = $value;
+ )+
+ }
+ }
+
+ // Secondly, re-export all inner constants
+ // (`pub use self::Struct::*` doesn't work)
+ $(
+ $(#[$inner $($args)*])*
+ pub const $Flag: $BitFlags = $BitFlags::$Flag;
+ )+
+ }
+}
+
+pub const CLOCK_REALTIME: usize = 1;
+pub const CLOCK_MONOTONIC: usize = 4;
+
+bitflags! {
+ pub struct EventFlags: usize {
+ const EVENT_NONE = 0;
+ const EVENT_READ = 1;
+ const EVENT_WRITE = 2;
+ }
+}
+
+pub const F_DUPFD: usize = 0;
+pub const F_GETFD: usize = 1;
+pub const F_SETFD: usize = 2;
+pub const F_GETFL: usize = 3;
+pub const F_SETFL: usize = 4;
+
+pub const FUTEX_WAIT: usize = 0;
+pub const FUTEX_WAKE: usize = 1;
+pub const FUTEX_REQUEUE: usize = 2;
+pub const FUTEX_WAIT64: usize = 3;
+
+// packet.c = fd
+pub const SKMSG_FRETURNFD: usize = 0;
+
+// packet.uid:packet.gid = offset, packet.c = base address, packet.d = page count
+pub const SKMSG_PROVIDE_MMAP: usize = 1;
+
+bitflags! {
+ pub struct MapFlags: usize {
+ // TODO: Downgrade PROT_NONE to global constant? (bitflags specifically states zero flags
+ // can cause buggy behavior).
+ const PROT_NONE = 0x0000_0000;
+
+ const PROT_EXEC = 0x0001_0000;
+ const PROT_WRITE = 0x0002_0000;
+ const PROT_READ = 0x0004_0000;
+
+ const MAP_SHARED = 0x0001;
+ const MAP_PRIVATE = 0x0002;
+
+ const MAP_FIXED = 0x0004;
+ const MAP_FIXED_NOREPLACE = 0x000C;
+
+ /// For *userspace-backed mmaps*, return from the mmap call before all pages have been
+ /// provided by the scheme. This requires the scheme to be trusted, as the current context
+ /// can block indefinitely, if the scheme does not respond to the page fault handler's
+ /// request, as it tries to map the page by requesting it from the scheme.
+ ///
+ /// In some cases however, such as the program loader, the data needs to be trusted as much
+ /// with or without MAP_LAZY, and if so, mapping lazily will not cause insecureness by
+ /// itself.
+ ///
+ /// For kernel-backed mmaps, this flag has no effect at all. It is unspecified whether
+ /// kernel mmaps are lazy or not.
+ const MAP_LAZY = 0x0010;
+ }
+}
+bitflags! {
+ pub struct MunmapFlags: usize {
+ /// Indicates whether the funmap call must implicitly do an msync, for the changes to
+ /// become visible later.
+ ///
+ /// This flag will currently be set if and only if MAP_SHARED | PROT_WRITE are set.
+ const NEEDS_SYNC = 1;
+ }
+}
+
+pub const MODE_TYPE: u16 = 0xF000;
+pub const MODE_DIR: u16 = 0x4000;
+pub const MODE_FILE: u16 = 0x8000;
+pub const MODE_SYMLINK: u16 = 0xA000;
+pub const MODE_FIFO: u16 = 0x1000;
+pub const MODE_CHR: u16 = 0x2000;
+
+pub const MODE_PERM: u16 = 0x0FFF;
+pub const MODE_SETUID: u16 = 0o4000;
+pub const MODE_SETGID: u16 = 0o2000;
+
+pub const O_RDONLY: usize = 0x0001_0000;
+pub const O_WRONLY: usize = 0x0002_0000;
+pub const O_RDWR: usize = 0x0003_0000;
+pub const O_NONBLOCK: usize = 0x0004_0000;
+pub const O_APPEND: usize = 0x0008_0000;
+pub const O_SHLOCK: usize = 0x0010_0000;
+pub const O_EXLOCK: usize = 0x0020_0000;
+pub const O_ASYNC: usize = 0x0040_0000;
+pub const O_FSYNC: usize = 0x0080_0000;
+pub const O_CLOEXEC: usize = 0x0100_0000;
+pub const O_CREAT: usize = 0x0200_0000;
+pub const O_TRUNC: usize = 0x0400_0000;
+pub const O_EXCL: usize = 0x0800_0000;
+pub const O_DIRECTORY: usize = 0x1000_0000;
+pub const O_STAT: usize = 0x2000_0000;
+pub const O_SYMLINK: usize = 0x4000_0000;
+pub const O_NOFOLLOW: usize = 0x8000_0000;
+pub const O_ACCMODE: usize = O_RDONLY | O_WRONLY | O_RDWR;
+
+bitflags! {
+ pub struct PhysmapFlags: usize {
+ const PHYSMAP_WRITE = 0x0000_0001;
+ const PHYSMAP_WRITE_COMBINE = 0x0000_0002;
+ const PHYSMAP_NO_CACHE = 0x0000_0004;
+ }
+}
+bitflags! {
+ /// Extra flags for [`physalloc2`] or [`physalloc3`].
+ ///
+ /// [`physalloc2`]: ../call/fn.physalloc2.html
+ /// [`physalloc3`]: ../call/fn.physalloc3.html
+ pub struct PhysallocFlags: usize {
+ /// Only allocate memory within the 32-bit physical memory space. This is necessary for
+ /// some devices may not support 64-bit memory.
+ const SPACE_32 = 0x0000_0001;
+
+ /// The frame that will be allocated, is going to reside anywhere in 64-bit space. This
+ /// flag is redundant for the most part, except when overriding some other default.
+ const SPACE_64 = 0x0000_0002;
+
+ /// Do a "partial allocation", which means that not all of the frames specified in the
+ /// frame count `size` actually have to be allocated. This means that if the allocator was
+ /// unable to find a physical memory range large enough, it can instead return whatever
+ /// range it decides is optimal. Thus, instead of letting one driver get an expensive
+ /// 128MiB physical memory range when the physical memory has become fragmented, and
+ /// failing, it can instead be given a more optimal range. If the device supports
+ /// scatter-gather lists, then the driver only has to allocate more ranges, and the device
+ /// will do vectored I/O.
+ ///
+ /// PARTIAL_ALLOC supports different allocation strategies, refer to
+ /// [`Optimal`], [`GreatestRange`].
+ ///
+ /// [`Optimal`]: ./enum.PartialAllocStrategy.html
+ /// [`GreatestRange`]: ./enum.PartialAllocStrategy.html
+ const PARTIAL_ALLOC = 0x0000_0004;
+ }
+}
+
+/// The bitmask of the partial allocation strategy. Currently four different strategies are
+/// supported. If [`PARTIAL_ALLOC`] is not set, this bitmask is no longer reserved.
+pub const PARTIAL_ALLOC_STRATEGY_MASK: usize = 0x0003_0000;
+
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
+#[repr(usize)]
+pub enum PartialAllocStrategy {
+ /// The allocator decides itself the size of the memory range, based on e.g. free memory ranges
+ /// and other processes which require large physical memory chunks.
+ Optimal = 0x0001_0000,
+
+ /// The allocator returns the absolute greatest range it can find.
+ GreatestRange = 0x0002_0000,
+
+ /// The allocator returns the first range that fits the minimum count, without searching extra.
+ Greedy = 0x0003_0000,
+}
+impl Default for PartialAllocStrategy {
+ fn default() -> Self {
+ Self::Optimal
+ }
+}
+
+impl PartialAllocStrategy {
+ pub fn from_raw(raw: usize) -> Option<Self> {
+ match raw {
+ 0x0001_0000 => Some(Self::Optimal),
+ 0x0002_0000 => Some(Self::GreatestRange),
+ 0x0003_0000 => Some(Self::Greedy),
+ _ => None,
+ }
+ }
+}
+
+// The top 48 bits of PTRACE_* are reserved, for now
+
+bitflags! {
+ pub struct PtraceFlags: u64 {
+ /// Stop before a syscall is handled. Send PTRACE_FLAG_IGNORE to not
+ /// handle the syscall.
+ const PTRACE_STOP_PRE_SYSCALL = 0x0000_0000_0000_0001;
+ /// Stop after a syscall is handled.
+ const PTRACE_STOP_POST_SYSCALL = 0x0000_0000_0000_0002;
+ /// Stop after exactly one instruction. TODO: This may not handle
+ /// fexec/signal boundaries. Should it?
+ const PTRACE_STOP_SINGLESTEP = 0x0000_0000_0000_0004;
+ /// Stop before a signal is handled. Send PTRACE_FLAG_IGNORE to not
+ /// handle signal.
+ const PTRACE_STOP_SIGNAL = 0x0000_0000_0000_0008;
+ /// Stop on a software breakpoint, such as the int3 instruction for
+ /// x86_64.
+ const PTRACE_STOP_BREAKPOINT = 0x0000_0000_0000_0010;
+ /// Stop just before exiting for good.
+ const PTRACE_STOP_EXIT = 0x0000_0000_0000_0020;
+
+ const PTRACE_STOP_MASK = 0x0000_0000_0000_00FF;
+
+
+ /// Sent when a child is cloned, giving you the opportunity to trace it.
+ /// If you don't catch this, the child is started as normal.
+ const PTRACE_EVENT_CLONE = 0x0000_0000_0000_0100;
+
+ /// Sent when current-addrspace is changed, allowing the tracer to reopen the memory file.
+ const PTRACE_EVENT_ADDRSPACE_SWITCH = 0x0000_0000_0000_0200;
+
+ const PTRACE_EVENT_MASK = 0x0000_0000_0000_0F00;
+
+ /// Special meaning, depending on the event. Usually, when fired before
+ /// an action, it will skip performing that action.
+ const PTRACE_FLAG_IGNORE = 0x0000_0000_0000_1000;
+
+ const PTRACE_FLAG_MASK = 0x0000_0000_0000_F000;
+ }
+}
+impl Deref for PtraceFlags {
+ type Target = [u8];
+ fn deref(&self) -> &Self::Target {
+ // Same as to_ne_bytes but in-place
+ unsafe {
+ slice::from_raw_parts(
+ &self.bits as *const _ as *const u8,
+ mem::size_of::<u64>()
+ )
+ }
+ }
+}
+
+pub const SEEK_SET: usize = 0;
+pub const SEEK_CUR: usize = 1;
+pub const SEEK_END: usize = 2;
+
+pub const SIGHUP: usize = 1;
+pub const SIGINT: usize = 2;
+pub const SIGQUIT: usize = 3;
+pub const SIGILL: usize = 4;
+pub const SIGTRAP: usize = 5;
+pub const SIGABRT: usize = 6;
+pub const SIGBUS: usize = 7;
+pub const SIGFPE: usize = 8;
+pub const SIGKILL: usize = 9;
+pub const SIGUSR1: usize = 10;
+pub const SIGSEGV: usize = 11;
+pub const SIGUSR2: usize = 12;
+pub const SIGPIPE: usize = 13;
+pub const SIGALRM: usize = 14;
+pub const SIGTERM: usize = 15;
+pub const SIGSTKFLT: usize= 16;
+pub const SIGCHLD: usize = 17;
+pub const SIGCONT: usize = 18;
+pub const SIGSTOP: usize = 19;
+pub const SIGTSTP: usize = 20;
+pub const SIGTTIN: usize = 21;
+pub const SIGTTOU: usize = 22;
+pub const SIGURG: usize = 23;
+pub const SIGXCPU: usize = 24;
+pub const SIGXFSZ: usize = 25;
+pub const SIGVTALRM: usize= 26;
+pub const SIGPROF: usize = 27;
+pub const SIGWINCH: usize = 28;
+pub const SIGIO: usize = 29;
+pub const SIGPWR: usize = 30;
+pub const SIGSYS: usize = 31;
+
+pub const SIG_DFL: usize = 0;
+pub const SIG_IGN: usize = 1;
+
+pub const SIG_BLOCK: usize = 0;
+pub const SIG_UNBLOCK: usize = 1;
+pub const SIG_SETMASK: usize = 2;
+
+bitflags! {
+ pub struct SigActionFlags: usize {
+ const SA_NOCLDSTOP = 0x00000001;
+ const SA_NOCLDWAIT = 0x00000002;
+ const SA_SIGINFO = 0x00000004;
+ const SA_RESTORER = 0x04000000;
+ const SA_ONSTACK = 0x08000000;
+ const SA_RESTART = 0x10000000;
+ const SA_NODEFER = 0x40000000;
+ const SA_RESETHAND = 0x80000000;
+ }
+}
+
+bitflags! {
+ pub struct WaitFlags: usize {
+ const WNOHANG = 0x01;
+ const WUNTRACED = 0x02;
+ const WCONTINUED = 0x08;
+ }
+}
+
+pub const ADDRSPACE_OP_MMAP: usize = 0;
+pub const ADDRSPACE_OP_MUNMAP: usize = 1;
+pub const ADDRSPACE_OP_MPROTECT: usize = 2;
+pub const ADDRSPACE_OP_TRANSFER: usize = 3;
+
+/// True if status indicates the child is stopped.
+pub fn wifstopped(status: usize) -> bool {
+ (status & 0xff) == 0x7f
+}
+
+/// If wifstopped(status), the signal that stopped the child.
+pub fn wstopsig(status: usize) -> usize {
+ (status >> 8) & 0xff
+}
+
+/// True if status indicates the child continued after a stop.
+pub fn wifcontinued(status: usize) -> bool {
+ status == 0xffff
+}
+
+/// True if STATUS indicates termination by a signal.
+pub fn wifsignaled(status: usize) -> bool {
+ ((status & 0x7f) + 1) as i8 >= 2
+}
+
+/// If wifsignaled(status), the terminating signal.
+pub fn wtermsig(status: usize) -> usize {
+ status & 0x7f
+}
+
+/// True if status indicates normal termination.
+pub fn wifexited(status: usize) -> bool {
+ wtermsig(status) == 0
+}
+
+/// If wifexited(status), the exit status.
+pub fn wexitstatus(status: usize) -> usize {
+ (status >> 8) & 0xff
+}
+
+/// True if status indicates a core dump was created.
+pub fn wcoredump(status: usize) -> bool {
+ (status & 0x80) != 0
+}
+
+bitflags! {
+ pub struct MremapFlags: usize {
+ const FIXED = 1;
+ const FIXED_REPLACE = 3;
+ // TODO: MAYMOVE, DONTUNMAP
+ }
+}
diff --git a/vendor/redox_syscall/src/io/dma.rs b/vendor/redox_syscall/src/io/dma.rs
new file mode 100644
index 0000000..0613fc9
--- /dev/null
+++ b/vendor/redox_syscall/src/io/dma.rs
@@ -0,0 +1,219 @@
+use core::mem::{self, MaybeUninit};
+use core::ops::{Deref, DerefMut};
+use core::{ptr, slice};
+
+use crate::Result;
+use crate::{PartialAllocStrategy, PhysallocFlags, PhysmapFlags};
+use crate::arch::PAGE_SIZE;
+
+/// An RAII guard of a physical memory allocation. Currently all physically allocated memory are
+/// page-aligned and take up at least 4k of space (on x86_64).
+#[derive(Debug)]
+pub struct PhysBox {
+ address: usize,
+ size: usize
+}
+
+const fn round_up(x: usize) -> usize {
+ (x + PAGE_SIZE - 1) / PAGE_SIZE * PAGE_SIZE
+}
+fn assert_aligned(x: usize) {
+ assert_eq!(x % PAGE_SIZE, 0);
+}
+
+#[cfg(target_arch = "aarch64")]
+fn physmap_flags() -> PhysmapFlags {
+ // aarch64 currently must map DMA memory without caching to ensure coherence
+ crate::PHYSMAP_NO_CACHE | crate::PHYSMAP_WRITE
+}
+
+#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+fn physmap_flags() -> PhysmapFlags {
+ // x86 ensures cache coherence with DMA memory
+ crate::PHYSMAP_WRITE
+}
+
+impl PhysBox {
+ /// Construct a PhysBox from an address and a size. The address must be page-aligned, and the
+ /// size must similarly be a multiple of the page size.
+ ///
+ /// # Safety
+ /// This function is unsafe because when dropping, Self has to a valid allocation.
+ pub unsafe fn from_raw_parts(address: usize, size: usize) -> Self {
+ assert_aligned(address);
+ assert_aligned(size);
+
+ Self {
+ address,
+ size,
+ }
+ }
+
+ /// Retrieve the byte address in physical memory, of this allocation.
+ pub fn address(&self) -> usize {
+ self.address
+ }
+
+ /// Retrieve the size in bytes of the alloc.
+ pub fn size(&self) -> usize {
+ self.size
+ }
+
+ /// Allocate physical memory that must reside in 32-bit space.
+ pub fn new_in_32bit_space(size: usize) -> Result<Self> {
+ Self::new_with_flags(size, PhysallocFlags::SPACE_32)
+ }
+
+ pub fn new_with_flags(size: usize, flags: PhysallocFlags) -> Result<Self> {
+ assert!(!flags.contains(PhysallocFlags::PARTIAL_ALLOC));
+ assert_aligned(size);
+
+ let address = unsafe { crate::physalloc2(size, flags.bits())? };
+ Ok(unsafe { Self::from_raw_parts(address, size) })
+ }
+
+ /// "Partially" allocate physical memory, in the sense that the allocation may be smaller than
+ /// expected, but still with a minimum limit. This is particularly useful when the physical
+ /// memory space is fragmented, and a device supports scatter-gather I/O. In that case, the
+ /// driver can optimistically request e.g. 1 alloc of 1 MiB, with the minimum of 512 KiB. If
+ /// that first allocation only returns half the size, the driver can do another allocation
+ /// and then let the device use both buffers.
+ pub fn new_partial_allocation(size: usize, flags: PhysallocFlags, strategy: Option<PartialAllocStrategy>, mut min: usize) -> Result<Self> {
+ assert_aligned(size);
+ debug_assert!(!(flags.contains(PhysallocFlags::PARTIAL_ALLOC) && strategy.is_none()));
+
+ let address = unsafe { crate::physalloc3(size, flags.bits() | strategy.map_or(0, |s| s as usize), &mut min)? };
+ Ok(unsafe { Self::from_raw_parts(address, size) })
+ }
+
+ pub fn new(size: usize) -> Result<Self> {
+ assert_aligned(size);
+
+ let address = unsafe { crate::physalloc(size)? };
+ Ok(unsafe { Self::from_raw_parts(address, size) })
+ }
+}
+
+impl Drop for PhysBox {
+ fn drop(&mut self) {
+ let _ = unsafe { crate::physfree(self.address, self.size) };
+ }
+}
+
+pub struct Dma<T: ?Sized> {
+ phys: PhysBox,
+ virt: *mut T,
+}
+
+impl<T> Dma<T> {
+ pub fn from_physbox_uninit(phys: PhysBox) -> Result<Dma<MaybeUninit<T>>> {
+ let virt = unsafe { crate::physmap(phys.address, phys.size, physmap_flags())? } as *mut MaybeUninit<T>;
+
+ Ok(Dma {
+ phys,
+ virt,
+ })
+ }
+ pub fn from_physbox_zeroed(phys: PhysBox) -> Result<Dma<MaybeUninit<T>>> {
+ let this = Self::from_physbox_uninit(phys)?;
+ unsafe { ptr::write_bytes(this.virt as *mut MaybeUninit<u8>, 0, this.phys.size) }
+ Ok(this)
+ }
+
+ pub fn from_physbox(phys: PhysBox, value: T) -> Result<Self> {
+ let this = Self::from_physbox_uninit(phys)?;
+
+ Ok(unsafe {
+ ptr::write(this.virt, MaybeUninit::new(value));
+ this.assume_init()
+ })
+ }
+
+ pub fn new(value: T) -> Result<Self> {
+ let phys = PhysBox::new(round_up(mem::size_of::<T>()))?;
+ Self::from_physbox(phys, value)
+ }
+ pub fn zeroed() -> Result<Dma<MaybeUninit<T>>> {
+ let phys = PhysBox::new(round_up(mem::size_of::<T>()))?;
+ Self::from_physbox_zeroed(phys)
+ }
+}
+
+impl<T> Dma<MaybeUninit<T>> {
+ pub unsafe fn assume_init(self) -> Dma<T> {
+ let &Dma { phys: PhysBox { address, size }, virt } = &self;
+ mem::forget(self);
+
+ Dma {
+ phys: PhysBox { address, size },
+ virt: virt as *mut T,
+ }
+ }
+}
+impl<T: ?Sized> Dma<T> {
+ pub fn physical(&self) -> usize {
+ self.phys.address()
+ }
+ pub fn size(&self) -> usize {
+ self.phys.size()
+ }
+ pub fn phys(&self) -> &PhysBox {
+ &self.phys
+ }
+}
+
+impl<T> Dma<[T]> {
+ pub fn from_physbox_uninit_unsized(phys: PhysBox, len: usize) -> Result<Dma<[MaybeUninit<T>]>> {
+ let max_len = phys.size() / mem::size_of::<T>();
+ assert!(len <= max_len);
+
+ Ok(Dma {
+ virt: unsafe { slice::from_raw_parts_mut(crate::physmap(phys.address, phys.size, physmap_flags())? as *mut MaybeUninit<T>, len) } as *mut [MaybeUninit<T>],
+ phys,
+ })
+ }
+ pub fn from_physbox_zeroed_unsized(phys: PhysBox, len: usize) -> Result<Dma<[MaybeUninit<T>]>> {
+ let this = Self::from_physbox_uninit_unsized(phys, len)?;
+ unsafe { ptr::write_bytes(this.virt as *mut MaybeUninit<u8>, 0, this.phys.size()) }
+ Ok(this)
+ }
+ /// Creates a new DMA buffer with a size only known at runtime.
+ /// ## Safety
+ /// * `T` must be properly aligned.
+ /// * `T` must be valid as zeroed (i.e. no NonNull pointers).
+ pub unsafe fn zeroed_unsized(count: usize) -> Result<Self> {
+ let phys = PhysBox::new(round_up(mem::size_of::<T>() * count))?;
+ Ok(Self::from_physbox_zeroed_unsized(phys, count)?.assume_init())
+ }
+}
+impl<T> Dma<[MaybeUninit<T>]> {
+ pub unsafe fn assume_init(self) -> Dma<[T]> {
+ let &Dma { phys: PhysBox { address, size }, virt } = &self;
+ mem::forget(self);
+
+ Dma {
+ phys: PhysBox { address, size },
+ virt: virt as *mut [T],
+ }
+ }
+}
+
+impl<T: ?Sized> Deref for Dma<T> {
+ type Target = T;
+ fn deref(&self) -> &T {
+ unsafe { &*self.virt }
+ }
+}
+
+impl<T: ?Sized> DerefMut for Dma<T> {
+ fn deref_mut(&mut self) -> &mut T {
+ unsafe { &mut *self.virt }
+ }
+}
+
+impl<T: ?Sized> Drop for Dma<T> {
+ fn drop(&mut self) {
+ unsafe { ptr::drop_in_place(self.virt) }
+ let _ = unsafe { crate::funmap(self.virt as *mut u8 as usize, self.phys.size) };
+ }
+}
diff --git a/vendor/redox_syscall/src/io/io.rs b/vendor/redox_syscall/src/io/io.rs
new file mode 100644
index 0000000..2c4acd3
--- /dev/null
+++ b/vendor/redox_syscall/src/io/io.rs
@@ -0,0 +1,71 @@
+use core::cmp::PartialEq;
+use core::ops::{BitAnd, BitOr, Not};
+
+pub trait Io {
+ type Value: Copy + PartialEq + BitAnd<Output = Self::Value> + BitOr<Output = Self::Value> + Not<Output = Self::Value>;
+
+ fn read(&self) -> Self::Value;
+ fn write(&mut self, value: Self::Value);
+
+ #[inline(always)]
+ fn readf(&self, flags: Self::Value) -> bool {
+ (self.read() & flags) as Self::Value == flags
+ }
+
+ #[inline(always)]
+ fn writef(&mut self, flags: Self::Value, value: bool) {
+ let tmp: Self::Value = match value {
+ true => self.read() | flags,
+ false => self.read() & !flags,
+ };
+ self.write(tmp);
+ }
+}
+
+pub struct ReadOnly<I> {
+ inner: I
+}
+
+impl<I> ReadOnly<I> {
+ pub const fn new(inner: I) -> ReadOnly<I> {
+ ReadOnly {
+ inner: inner
+ }
+ }
+}
+
+impl<I: Io> ReadOnly<I> {
+ #[inline(always)]
+ pub fn read(&self) -> I::Value {
+ self.inner.read()
+ }
+
+ #[inline(always)]
+ pub fn readf(&self, flags: I::Value) -> bool {
+ self.inner.readf(flags)
+ }
+}
+
+pub struct WriteOnly<I> {
+ inner: I
+}
+
+impl<I> WriteOnly<I> {
+ pub const fn new(inner: I) -> WriteOnly<I> {
+ WriteOnly {
+ inner: inner
+ }
+ }
+}
+
+impl<I: Io> WriteOnly<I> {
+ #[inline(always)]
+ pub fn write(&mut self, value: I::Value) {
+ self.inner.write(value)
+ }
+
+ #[inline(always)]
+ pub fn writef(&mut self, flags: I::Value, value: bool) {
+ self.inner.writef(flags, value)
+ }
+}
diff --git a/vendor/redox_syscall/src/io/mmio.rs b/vendor/redox_syscall/src/io/mmio.rs
new file mode 100644
index 0000000..ef8f603
--- /dev/null
+++ b/vendor/redox_syscall/src/io/mmio.rs
@@ -0,0 +1,168 @@
+use core::mem::MaybeUninit;
+use core::ptr;
+#[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))]
+use core::ops::{BitAnd, BitOr, Not};
+
+use super::io::Io;
+
+#[repr(packed)]
+pub struct Mmio<T> {
+ value: MaybeUninit<T>,
+}
+
+impl<T> Mmio<T> {
+ /// Create a new Mmio without initializing
+ #[deprecated = "unsound because it's possible to read even though it's uninitialized"]
+ pub fn new() -> Self {
+ unsafe { Self::uninit() }
+ }
+ pub unsafe fn zeroed() -> Self {
+ Self {
+ value: MaybeUninit::zeroed(),
+ }
+ }
+ pub unsafe fn uninit() -> Self {
+ Self {
+ value: MaybeUninit::uninit(),
+ }
+ }
+ pub const fn from(value: T) -> Self {
+ Self {
+ value: MaybeUninit::new(value),
+ }
+ }
+}
+
+// Generic implementation (WARNING: requires aligned pointers!)
+#[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))]
+impl<T> Io for Mmio<T> where T: Copy + PartialEq + BitAnd<Output = T> + BitOr<Output = T> + Not<Output = T> {
+ type Value = T;
+
+ fn read(&self) -> T {
+ unsafe { ptr::read_volatile(ptr::addr_of!(self.value).cast::<T>()) }
+ }
+
+ fn write(&mut self, value: T) {
+ unsafe { ptr::write_volatile(ptr::addr_of_mut!(self.value).cast::<T>(), value) };
+ }
+}
+
+// x86 u8 implementation
+#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+impl Io for Mmio<u8> {
+ type Value = u8;
+
+ fn read(&self) -> Self::Value {
+ unsafe {
+ let value: Self::Value;
+ let ptr: *const Self::Value = ptr::addr_of!(self.value).cast::<Self::Value>();
+ core::arch::asm!(
+ "mov {}, [{}]",
+ out(reg_byte) value,
+ in(reg) ptr
+ );
+ value
+ }
+ }
+
+ fn write(&mut self, value: Self::Value) {
+ unsafe {
+ let ptr: *mut Self::Value = ptr::addr_of_mut!(self.value).cast::<Self::Value>();
+ core::arch::asm!(
+ "mov [{}], {}",
+ in(reg) ptr,
+ in(reg_byte) value,
+ );
+ }
+ }
+}
+
+// x86 u16 implementation
+#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+impl Io for Mmio<u16> {
+ type Value = u16;
+
+ fn read(&self) -> Self::Value {
+ unsafe {
+ let value: Self::Value;
+ let ptr: *const Self::Value = ptr::addr_of!(self.value).cast::<Self::Value>();
+ core::arch::asm!(
+ "mov {:x}, [{}]",
+ out(reg) value,
+ in(reg) ptr
+ );
+ value
+ }
+ }
+
+ fn write(&mut self, value: Self::Value) {
+ unsafe {
+ let ptr: *mut Self::Value = ptr::addr_of_mut!(self.value).cast::<Self::Value>();
+ core::arch::asm!(
+ "mov [{}], {:x}",
+ in(reg) ptr,
+ in(reg) value,
+ );
+ }
+ }
+}
+
+// x86 u32 implementation
+#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+impl Io for Mmio<u32> {
+ type Value = u32;
+
+ fn read(&self) -> Self::Value {
+ unsafe {
+ let value: Self::Value;
+ let ptr: *const Self::Value = ptr::addr_of!(self.value).cast::<Self::Value>();
+ core::arch::asm!(
+ "mov {:e}, [{}]",
+ out(reg) value,
+ in(reg) ptr
+ );
+ value
+ }
+ }
+
+ fn write(&mut self, value: Self::Value) {
+ unsafe {
+ let ptr: *mut Self::Value = ptr::addr_of_mut!(self.value).cast::<Self::Value>();
+ core::arch::asm!(
+ "mov [{}], {:e}",
+ in(reg) ptr,
+ in(reg) value,
+ );
+ }
+ }
+}
+
+// x86 u64 implementation (x86_64 only)
+#[cfg(target_arch = "x86_64")]
+impl Io for Mmio<u64> {
+ type Value = u64;
+
+ fn read(&self) -> Self::Value {
+ unsafe {
+ let value: Self::Value;
+ let ptr: *const Self::Value = ptr::addr_of!(self.value).cast::<Self::Value>();
+ core::arch::asm!(
+ "mov {:r}, [{}]",
+ out(reg) value,
+ in(reg) ptr
+ );
+ value
+ }
+ }
+
+ fn write(&mut self, value: Self::Value) {
+ unsafe {
+ let ptr: *mut Self::Value = ptr::addr_of_mut!(self.value).cast::<Self::Value>();
+ core::arch::asm!(
+ "mov [{}], {:r}",
+ in(reg) ptr,
+ in(reg) value,
+ );
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/io/mod.rs b/vendor/redox_syscall/src/io/mod.rs
new file mode 100644
index 0000000..a225f06
--- /dev/null
+++ b/vendor/redox_syscall/src/io/mod.rs
@@ -0,0 +1,15 @@
+//! I/O functions
+
+pub use self::dma::*;
+pub use self::io::*;
+pub use self::mmio::*;
+
+#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+pub use self::pio::*;
+
+mod dma;
+mod io;
+mod mmio;
+
+#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+mod pio;
diff --git a/vendor/redox_syscall/src/io/pio.rs b/vendor/redox_syscall/src/io/pio.rs
new file mode 100644
index 0000000..8b837bc
--- /dev/null
+++ b/vendor/redox_syscall/src/io/pio.rs
@@ -0,0 +1,90 @@
+use core::arch::asm;
+use core::marker::PhantomData;
+
+use super::io::Io;
+
+/// Generic PIO
+#[derive(Copy, Clone)]
+pub struct Pio<T> {
+ port: u16,
+ value: PhantomData<T>,
+}
+
+impl<T> Pio<T> {
+ /// Create a PIO from a given port
+ pub const fn new(port: u16) -> Self {
+ Pio::<T> {
+ port,
+ value: PhantomData,
+ }
+ }
+}
+
+/// Read/Write for byte PIO
+impl Io for Pio<u8> {
+ type Value = u8;
+
+ /// Read
+ #[inline(always)]
+ fn read(&self) -> u8 {
+ let value: u8;
+ unsafe {
+ asm!("in al, dx", in("dx") self.port, out("al") value, options(nostack, nomem, preserves_flags));
+ }
+ value
+ }
+
+ /// Write
+ #[inline(always)]
+ fn write(&mut self, value: u8) {
+ unsafe {
+ asm!("out dx, al", in("dx") self.port, in("al") value, options(nostack, nomem, preserves_flags));
+ }
+ }
+}
+
+/// Read/Write for word PIO
+impl Io for Pio<u16> {
+ type Value = u16;
+
+ /// Read
+ #[inline(always)]
+ fn read(&self) -> u16 {
+ let value: u16;
+ unsafe {
+ asm!("in ax, dx", in("dx") self.port, out("ax") value, options(nostack, nomem, preserves_flags));
+ }
+ value
+ }
+
+ /// Write
+ #[inline(always)]
+ fn write(&mut self, value: u16) {
+ unsafe {
+ asm!("out dx, ax", in("dx") self.port, in("ax") value, options(nostack, nomem, preserves_flags));
+ }
+ }
+}
+
+/// Read/Write for doubleword PIO
+impl Io for Pio<u32> {
+ type Value = u32;
+
+ /// Read
+ #[inline(always)]
+ fn read(&self) -> u32 {
+ let value: u32;
+ unsafe {
+ asm!("in eax, dx", in("dx") self.port, out("eax") value, options(nostack, nomem, preserves_flags));
+ }
+ value
+ }
+
+ /// Write
+ #[inline(always)]
+ fn write(&mut self, value: u32) {
+ unsafe {
+ asm!("out dx, eax", in("dx") self.port, in("eax") value, options(nostack, nomem, preserves_flags));
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/lib.rs b/vendor/redox_syscall/src/lib.rs
new file mode 100644
index 0000000..3f6d884
--- /dev/null
+++ b/vendor/redox_syscall/src/lib.rs
@@ -0,0 +1,61 @@
+#![cfg_attr(not(test), no_std)]
+
+#[cfg(test)]
+extern crate core;
+
+pub use self::arch::*;
+pub use self::call::*;
+pub use self::data::*;
+pub use self::error::*;
+pub use self::flag::*;
+pub use self::io::*;
+pub use self::number::*;
+pub use self::scheme::*;
+
+#[cfg(all(any(target_os = "none", target_os = "redox"), target_arch = "arm"))]
+#[path="arch/nonredox.rs"]
+mod arch;
+
+#[cfg(all(any(target_os = "none", target_os = "redox"), target_arch = "aarch64"))]
+#[path="arch/aarch64.rs"]
+mod arch;
+
+#[cfg(all(any(target_os = "none", target_os = "redox"), target_arch = "riscv64"))]
+#[path="arch/riscv64.rs"]
+mod arch;
+
+#[cfg(all(any(target_os = "none", target_os = "redox"), target_arch = "x86"))]
+#[path="arch/x86.rs"]
+mod arch;
+
+#[cfg(all(any(target_os = "none", target_os = "redox"), target_arch = "x86_64"))]
+#[path="arch/x86_64.rs"]
+mod arch;
+
+#[cfg(not(any(target_os = "none", target_os = "redox")))]
+#[path="arch/nonredox.rs"]
+mod arch;
+
+/// Function definitions
+pub mod call;
+
+/// Complex structures that are used for some system calls
+pub mod data;
+
+/// All errors that can be generated by a system call
+pub mod error;
+
+/// Flags used as an argument to many system calls
+pub mod flag;
+
+/// Functions for low level hardware control
+pub mod io;
+
+/// Call numbers used by each system call
+pub mod number;
+
+/// A trait useful for scheme handlers
+pub mod scheme;
+
+#[cfg(test)]
+mod tests;
diff --git a/vendor/redox_syscall/src/number.rs b/vendor/redox_syscall/src/number.rs
new file mode 100644
index 0000000..056cfc7
--- /dev/null
+++ b/vendor/redox_syscall/src/number.rs
@@ -0,0 +1,89 @@
+pub const SYS_CLASS: usize = 0xF000_0000;
+pub const SYS_CLASS_PATH: usize=0x1000_0000;
+pub const SYS_CLASS_FILE: usize=0x2000_0000;
+
+pub const SYS_ARG: usize = 0x0F00_0000;
+pub const SYS_ARG_SLICE: usize =0x0100_0000;
+pub const SYS_ARG_MSLICE: usize=0x0200_0000;
+pub const SYS_ARG_PATH: usize = 0x0300_0000;
+
+pub const SYS_RET: usize = 0x00F0_0000;
+pub const SYS_RET_FILE: usize = 0x0010_0000;
+
+pub const SYS_LINK: usize = SYS_CLASS_PATH | SYS_ARG_PATH | 9;
+pub const SYS_OPEN: usize = SYS_CLASS_PATH | SYS_RET_FILE | 5;
+pub const SYS_RMDIR: usize = SYS_CLASS_PATH | 84;
+pub const SYS_UNLINK: usize = SYS_CLASS_PATH | 10;
+
+pub const SYS_CLOSE: usize = SYS_CLASS_FILE | 6;
+pub const SYS_DUP: usize = SYS_CLASS_FILE | SYS_RET_FILE | 41;
+pub const SYS_DUP2: usize = SYS_CLASS_FILE | SYS_RET_FILE | 63;
+pub const SYS_READ: usize = SYS_CLASS_FILE | SYS_ARG_MSLICE | 3;
+pub const SYS_WRITE: usize = SYS_CLASS_FILE | SYS_ARG_SLICE | 4;
+pub const SYS_LSEEK: usize = SYS_CLASS_FILE | 19;
+pub const SYS_FCHMOD: usize = SYS_CLASS_FILE | 94;
+pub const SYS_FCHOWN: usize = SYS_CLASS_FILE | 207;
+pub const SYS_FCNTL: usize = SYS_CLASS_FILE | 55;
+pub const SYS_FEVENT: usize = SYS_CLASS_FILE | 927;
+
+// TODO: Rename FMAP/FUNMAP to MMAP/MUNMAP
+pub const SYS_FMAP_OLD: usize = SYS_CLASS_FILE | SYS_ARG_SLICE | 90;
+pub const SYS_FMAP: usize = SYS_CLASS_FILE | SYS_ARG_SLICE | 900;
+// TODO: SYS_FUNMAP should be SYS_CLASS_FILE
+// TODO: Remove FMAP/FMAP_OLD
+pub const SYS_FUNMAP_OLD: usize = SYS_CLASS_FILE | 91;
+pub const SYS_FUNMAP: usize = SYS_CLASS_FILE | 92;
+pub const SYS_MREMAP: usize = 155;
+
+pub const SYS_FPATH: usize = SYS_CLASS_FILE | SYS_ARG_MSLICE | 928;
+pub const SYS_FRENAME: usize = SYS_CLASS_FILE | SYS_ARG_PATH | 38;
+pub const SYS_FSTAT: usize = SYS_CLASS_FILE | SYS_ARG_MSLICE | 28;
+pub const SYS_FSTATVFS: usize = SYS_CLASS_FILE | SYS_ARG_MSLICE | 100;
+pub const SYS_FSYNC: usize = SYS_CLASS_FILE | 118;
+pub const SYS_FTRUNCATE: usize = SYS_CLASS_FILE | 93;
+pub const SYS_FUTIMENS: usize = SYS_CLASS_FILE | SYS_ARG_SLICE | 320;
+
+// b = file, c = flags, d = required_page_count, uid:gid = offset
+pub const KSMSG_MMAP: usize = SYS_CLASS_FILE | 72;
+
+// b = file, c = flags, d = page_count, uid:gid = offset
+pub const KSMSG_MSYNC: usize = SYS_CLASS_FILE | 73;
+
+// b = file, c = page_count, uid:gid = offset
+pub const KSMSG_MUNMAP: usize = SYS_CLASS_FILE | 74;
+
+// b = file, c = flags, d = page_count, uid:gid = offset
+pub const KSMSG_MMAP_PREP: usize = SYS_CLASS_FILE | 75;
+
+pub const SYS_CLOCK_GETTIME: usize = 265;
+pub const SYS_EXIT: usize = 1;
+pub const SYS_FUTEX: usize = 240;
+pub const SYS_GETEGID: usize = 202;
+pub const SYS_GETENS: usize = 951;
+pub const SYS_GETEUID: usize = 201;
+pub const SYS_GETGID: usize = 200;
+pub const SYS_GETNS: usize = 950;
+pub const SYS_GETPID: usize = 20;
+pub const SYS_GETPGID: usize = 132;
+pub const SYS_GETPPID: usize = 64;
+pub const SYS_GETUID: usize = 199;
+pub const SYS_IOPL: usize = 110;
+pub const SYS_KILL: usize = 37;
+pub const SYS_MPROTECT: usize = 125;
+pub const SYS_MKNS: usize = 984;
+pub const SYS_NANOSLEEP: usize =162;
+pub const SYS_PHYSALLOC: usize =945;
+pub const SYS_PHYSALLOC3: usize=9453;
+pub const SYS_PHYSFREE: usize = 946;
+pub const SYS_PHYSMAP: usize = 947;
+pub const SYS_VIRTTOPHYS: usize=949;
+pub const SYS_SETPGID: usize = 57;
+pub const SYS_SETREGID: usize = 204;
+pub const SYS_SETRENS: usize = 952;
+pub const SYS_SETREUID: usize = 203;
+pub const SYS_SIGACTION: usize =67;
+pub const SYS_SIGPROCMASK:usize=126;
+pub const SYS_SIGRETURN: usize =119;
+pub const SYS_UMASK: usize = 60;
+pub const SYS_WAITPID: usize = 7;
+pub const SYS_YIELD: usize = 158;
diff --git a/vendor/redox_syscall/src/scheme/generate.sh b/vendor/redox_syscall/src/scheme/generate.sh
new file mode 100755
index 0000000..be851f5
--- /dev/null
+++ b/vendor/redox_syscall/src/scheme/generate.sh
@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+set -e
+
+echo "Generating SchemeMut from Scheme"
+sed 's/trait Scheme/trait SchemeMut/' scheme.rs \
+| sed 's/\&self/\&mut self/g' \
+> scheme_mut.rs
+
+echo "Generating SchemeBlock from Scheme"
+sed 's/trait Scheme/trait SchemeBlock/' scheme.rs \
+| sed 's/fn handle(\&self, packet: \&mut Packet)/fn handle(\&self, packet: \&Packet) -> Option<usize>/' \
+| sed 's/packet.a = Error::mux(res);/res.transpose().map(Error::mux)/' \
+| sed 's/\.map(|f| f\.bits())/\.map(|f| f.map(|f| f.bits()))/' \
+| sed 's/\.map(|o| o as usize)/.map(|o| o.map(|o| o as usize))/' \
+| sed 's/Ok(0)/Ok(Some(0))/g' \
+| sed 's/Result<\([^>]\+\)>/Result<Option<\1>>/g' \
+| sed 's/convert_to_this_scheme/convert_to_this_scheme_block/g' \
+| sed 's/convert_in_scheme_handle/convert_in_scheme_handle_block/g' \
+> scheme_block.rs
+
+echo "Generating SchemeBlockMut from SchemeBlock"
+sed 's/trait SchemeBlock/trait SchemeBlockMut/' scheme_block.rs \
+| sed 's/\&self/\&mut self/g' \
+> scheme_block_mut.rs
diff --git a/vendor/redox_syscall/src/scheme/mod.rs b/vendor/redox_syscall/src/scheme/mod.rs
new file mode 100644
index 0000000..61655da
--- /dev/null
+++ b/vendor/redox_syscall/src/scheme/mod.rs
@@ -0,0 +1,68 @@
+use core::{slice, str};
+
+use crate::{Error, Result, EOPNOTSUPP, ESKMSG, Packet, SKMSG_FRETURNFD};
+
+pub use self::scheme::Scheme;
+pub use self::scheme_mut::SchemeMut;
+pub use self::scheme_block::SchemeBlock;
+pub use self::scheme_block_mut::SchemeBlockMut;
+pub use self::seek::*;
+
+unsafe fn str_from_raw_parts(ptr: *const u8, len: usize) -> Option<&'static str> {
+ let slice = slice::from_raw_parts(ptr, len);
+ str::from_utf8(slice).ok()
+}
+
+mod scheme;
+mod scheme_mut;
+mod scheme_block;
+mod scheme_block_mut;
+mod seek;
+
+pub struct CallerCtx {
+ pub pid: usize,
+ pub uid: u32,
+ pub gid: u32,
+}
+
+pub enum OpenResult {
+ ThisScheme { number: usize },
+ OtherScheme { fd: usize },
+}
+
+// TODO: Find a better solution than generate.sh
+pub(crate) fn convert_to_this_scheme(r: Result<usize>) -> Result<OpenResult> {
+ r.map(|number| OpenResult::ThisScheme { number })
+}
+pub(crate) fn convert_to_this_scheme_block(r: Result<Option<usize>>) -> Result<Option<OpenResult>> {
+ r.map(|o| o.map(|number| OpenResult::ThisScheme { number }))
+}
+pub(crate) fn convert_in_scheme_handle_block(_: &Packet, result: Result<Option<OpenResult>>) -> Result<Option<usize>> {
+ match result {
+ Ok(Some(OpenResult::ThisScheme { number })) => Ok(Some(number)),
+ Ok(Some(OpenResult::OtherScheme { .. })) => Err(Error::new(EOPNOTSUPP)),
+ Ok(None) => Ok(None),
+ Err(err) => Err(err),
+ }
+}
+pub(crate) fn convert_in_scheme_handle(packet: &mut Packet, result: Result<OpenResult>) -> Result<usize> {
+ match result {
+ Ok(OpenResult::ThisScheme { number }) => Ok(number),
+ Ok(OpenResult::OtherScheme { fd }) => {
+ packet.b = SKMSG_FRETURNFD;
+ packet.c = fd;
+ Err(Error::new(ESKMSG))
+ }
+ Err(err) => Err(err),
+ }
+}
+
+impl CallerCtx {
+ pub fn from_packet(packet: &Packet) -> Self {
+ Self {
+ pid: packet.pid,
+ uid: packet.uid,
+ gid: packet.gid,
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/scheme/scheme.rs b/vendor/redox_syscall/src/scheme/scheme.rs
new file mode 100644
index 0000000..ee09d69
--- /dev/null
+++ b/vendor/redox_syscall/src/scheme/scheme.rs
@@ -0,0 +1,194 @@
+use core::{mem, slice};
+
+use crate::CallerCtx;
+use crate::OpenResult;
+use crate::data::*;
+use crate::error::*;
+use crate::flag::*;
+use crate::number::*;
+use crate::scheme::*;
+
+pub trait Scheme {
+ fn handle(&self, packet: &mut Packet) {
+ let res = match packet.a {
+ SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ convert_in_scheme_handle(packet, self.xopen(path, packet.d, &CallerCtx::from_packet(&packet)))
+ }
+ else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_RMDIR => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.rmdir(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_UNLINK => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.unlink(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+
+ SYS_DUP => convert_in_scheme_handle(packet, self.xdup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, &CallerCtx::from_packet(&packet))),
+ SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
+ SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
+ SYS_LSEEK => self.seek(packet.b, packet.c as isize, packet.d).map(|o| o as usize),
+ SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16),
+ SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32),
+ SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d),
+ SYS_FEVENT => self.fevent(packet.b, EventFlags::from_bits_truncate(packet.c)).map(|f| f.bits()),
+ SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
+ SYS_FRENAME => if let Some(path) = unsafe { str_from_raw_parts(packet.c as *const u8, packet.d) } {
+ self.frename(packet.b, path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() {
+ self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_FSTATVFS => if packet.d >= mem::size_of::<StatVfs>() {
+ self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_FSYNC => self.fsync(packet.b),
+ SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c),
+ SYS_FUTIMENS => if packet.d >= mem::size_of::<TimeSpec>() {
+ self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::<TimeSpec>()) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_CLOSE => self.close(packet.b),
+
+ KSMSG_MMAP_PREP => self.mmap_prep(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MapFlags::from_bits_truncate(packet.d)),
+ KSMSG_MUNMAP => self.munmap(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MunmapFlags::from_bits_truncate(packet.d)),
+
+ _ => Err(Error::new(ENOSYS))
+ };
+
+ packet.a = Error::mux(res);
+ }
+
+ /* Scheme operations */
+
+ #[allow(unused_variables)]
+ fn open(&self, path: &str, flags: usize, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(ENOENT))
+ }
+ #[allow(unused_variables)]
+ fn xopen(&self, path: &str, flags: usize, ctx: &CallerCtx) -> Result<OpenResult> {
+ convert_to_this_scheme(self.open(path, flags, ctx.uid, ctx.gid))
+ }
+
+ #[allow(unused_variables)]
+ fn chmod(&self, path: &str, mode: u16, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(ENOENT))
+ }
+
+ #[allow(unused_variables)]
+ fn rmdir(&self, path: &str, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(ENOENT))
+ }
+
+ #[allow(unused_variables)]
+ fn unlink(&self, path: &str, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(ENOENT))
+ }
+
+ /* Resource operations */
+ #[allow(unused_variables)]
+ fn dup(&self, old_id: usize, buf: &[u8]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn xdup(&self, old_id: usize, buf: &[u8], ctx: &CallerCtx) -> Result<OpenResult> {
+ convert_to_this_scheme(self.dup(old_id, buf))
+ }
+
+ #[allow(unused_variables)]
+ fn read(&self, id: usize, buf: &mut [u8]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn write(&self, id: usize, buf: &[u8]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn seek(&self, id: usize, pos: isize, whence: usize) -> Result<isize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fchmod(&self, id: usize, mode: u16) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fchown(&self, id: usize, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fcntl(&self, id: usize, cmd: usize, arg: usize) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fevent(&self, id: usize, flags: EventFlags) -> Result<EventFlags> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fpath(&self, id: usize, buf: &mut [u8]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn frename(&self, id: usize, path: &str, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fstat(&self, id: usize, stat: &mut Stat) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fstatvfs(&self, id: usize, stat: &mut StatVfs) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fsync(&self, id: usize) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn ftruncate(&self, id: usize, len: usize) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn futimens(&self, id: usize, times: &[TimeSpec]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn close(&self, id: usize) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn mmap_prep(&self, id: usize, offset: u64, size: usize, flags: MapFlags) -> Result<usize> {
+ Err(Error::new(EOPNOTSUPP))
+ }
+
+ #[allow(unused_variables)]
+ fn munmap(&self, id: usize, offset: u64, size: usize, flags: MunmapFlags) -> Result<usize> {
+ Err(Error::new(EOPNOTSUPP))
+ }
+}
diff --git a/vendor/redox_syscall/src/scheme/scheme_block.rs b/vendor/redox_syscall/src/scheme/scheme_block.rs
new file mode 100644
index 0000000..e74e3b7
--- /dev/null
+++ b/vendor/redox_syscall/src/scheme/scheme_block.rs
@@ -0,0 +1,194 @@
+use core::{mem, slice};
+
+use crate::CallerCtx;
+use crate::OpenResult;
+use crate::data::*;
+use crate::error::*;
+use crate::flag::*;
+use crate::number::*;
+use crate::scheme::*;
+
+pub trait SchemeBlock {
+ fn handle(&self, packet: &Packet) -> Option<usize> {
+ let res = match packet.a {
+ SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ convert_in_scheme_handle_block(packet, self.xopen(path, packet.d, &CallerCtx::from_packet(&packet)))
+ }
+ else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_RMDIR => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.rmdir(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_UNLINK => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.unlink(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+
+ SYS_DUP => convert_in_scheme_handle_block(packet, self.xdup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, &CallerCtx::from_packet(&packet))),
+ SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
+ SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
+ SYS_LSEEK => self.seek(packet.b, packet.c as isize, packet.d).map(|o| o.map(|o| o as usize)),
+ SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16),
+ SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32),
+ SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d),
+ SYS_FEVENT => self.fevent(packet.b, EventFlags::from_bits_truncate(packet.c)).map(|f| f.map(|f| f.bits())),
+ SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
+ SYS_FRENAME => if let Some(path) = unsafe { str_from_raw_parts(packet.c as *const u8, packet.d) } {
+ self.frename(packet.b, path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() {
+ self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_FSTATVFS => if packet.d >= mem::size_of::<StatVfs>() {
+ self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_FSYNC => self.fsync(packet.b),
+ SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c),
+ SYS_FUTIMENS => if packet.d >= mem::size_of::<TimeSpec>() {
+ self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::<TimeSpec>()) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_CLOSE => self.close(packet.b),
+
+ KSMSG_MMAP_PREP => self.mmap_prep(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MapFlags::from_bits_truncate(packet.d)),
+ KSMSG_MUNMAP => self.munmap(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MunmapFlags::from_bits_truncate(packet.d)),
+
+ _ => Err(Error::new(ENOSYS))
+ };
+
+ res.transpose().map(Error::mux)
+ }
+
+ /* Scheme operations */
+
+ #[allow(unused_variables)]
+ fn open(&self, path: &str, flags: usize, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(ENOENT))
+ }
+ #[allow(unused_variables)]
+ fn xopen(&self, path: &str, flags: usize, ctx: &CallerCtx) -> Result<Option<OpenResult>> {
+ convert_to_this_scheme_block(self.open(path, flags, ctx.uid, ctx.gid))
+ }
+
+ #[allow(unused_variables)]
+ fn chmod(&self, path: &str, mode: u16, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(ENOENT))
+ }
+
+ #[allow(unused_variables)]
+ fn rmdir(&self, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(ENOENT))
+ }
+
+ #[allow(unused_variables)]
+ fn unlink(&self, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(ENOENT))
+ }
+
+ /* Resource operations */
+ #[allow(unused_variables)]
+ fn dup(&self, old_id: usize, buf: &[u8]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn xdup(&self, old_id: usize, buf: &[u8], ctx: &CallerCtx) -> Result<Option<OpenResult>> {
+ convert_to_this_scheme_block(self.dup(old_id, buf))
+ }
+
+ #[allow(unused_variables)]
+ fn read(&self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn write(&self, id: usize, buf: &[u8]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn seek(&self, id: usize, pos: isize, whence: usize) -> Result<Option<isize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fchmod(&self, id: usize, mode: u16) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fchown(&self, id: usize, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fcntl(&self, id: usize, cmd: usize, arg: usize) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fevent(&self, id: usize, flags: EventFlags) -> Result<Option<EventFlags>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fpath(&self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn frename(&self, id: usize, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fstat(&self, id: usize, stat: &mut Stat) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fstatvfs(&self, id: usize, stat: &mut StatVfs) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fsync(&self, id: usize) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn ftruncate(&self, id: usize, len: usize) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn futimens(&self, id: usize, times: &[TimeSpec]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn close(&self, id: usize) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn mmap_prep(&self, id: usize, offset: u64, size: usize, flags: MapFlags) -> Result<Option<usize>> {
+ Err(Error::new(EOPNOTSUPP))
+ }
+
+ #[allow(unused_variables)]
+ fn munmap(&self, id: usize, offset: u64, size: usize, flags: MunmapFlags) -> Result<Option<usize>> {
+ Err(Error::new(EOPNOTSUPP))
+ }
+}
diff --git a/vendor/redox_syscall/src/scheme/scheme_block_mut.rs b/vendor/redox_syscall/src/scheme/scheme_block_mut.rs
new file mode 100644
index 0000000..fd2c590
--- /dev/null
+++ b/vendor/redox_syscall/src/scheme/scheme_block_mut.rs
@@ -0,0 +1,194 @@
+use core::{mem, slice};
+
+use crate::CallerCtx;
+use crate::OpenResult;
+use crate::data::*;
+use crate::error::*;
+use crate::flag::*;
+use crate::number::*;
+use crate::scheme::*;
+
+pub trait SchemeBlockMut {
+ fn handle(&mut self, packet: &Packet) -> Option<usize> {
+ let res = match packet.a {
+ SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ convert_in_scheme_handle_block(packet, self.xopen(path, packet.d, &CallerCtx::from_packet(&packet)))
+ }
+ else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_RMDIR => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.rmdir(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_UNLINK => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.unlink(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+
+ SYS_DUP => convert_in_scheme_handle_block(packet, self.xdup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, &CallerCtx::from_packet(&packet))),
+ SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
+ SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
+ SYS_LSEEK => self.seek(packet.b, packet.c as isize, packet.d).map(|o| o.map(|o| o as usize)),
+ SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16),
+ SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32),
+ SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d),
+ SYS_FEVENT => self.fevent(packet.b, EventFlags::from_bits_truncate(packet.c)).map(|f| f.map(|f| f.bits())),
+ SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
+ SYS_FRENAME => if let Some(path) = unsafe { str_from_raw_parts(packet.c as *const u8, packet.d) } {
+ self.frename(packet.b, path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() {
+ self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_FSTATVFS => if packet.d >= mem::size_of::<StatVfs>() {
+ self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_FSYNC => self.fsync(packet.b),
+ SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c),
+ SYS_FUTIMENS => if packet.d >= mem::size_of::<TimeSpec>() {
+ self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::<TimeSpec>()) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_CLOSE => self.close(packet.b),
+
+ KSMSG_MMAP_PREP => self.mmap_prep(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MapFlags::from_bits_truncate(packet.d)),
+ KSMSG_MUNMAP => self.munmap(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MunmapFlags::from_bits_truncate(packet.d)),
+
+ _ => Err(Error::new(ENOSYS))
+ };
+
+ res.transpose().map(Error::mux)
+ }
+
+ /* Scheme operations */
+
+ #[allow(unused_variables)]
+ fn open(&mut self, path: &str, flags: usize, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(ENOENT))
+ }
+ #[allow(unused_variables)]
+ fn xopen(&mut self, path: &str, flags: usize, ctx: &CallerCtx) -> Result<Option<OpenResult>> {
+ convert_to_this_scheme_block(self.open(path, flags, ctx.uid, ctx.gid))
+ }
+
+ #[allow(unused_variables)]
+ fn chmod(&mut self, path: &str, mode: u16, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(ENOENT))
+ }
+
+ #[allow(unused_variables)]
+ fn rmdir(&mut self, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(ENOENT))
+ }
+
+ #[allow(unused_variables)]
+ fn unlink(&mut self, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(ENOENT))
+ }
+
+ /* Resource operations */
+ #[allow(unused_variables)]
+ fn dup(&mut self, old_id: usize, buf: &[u8]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn xdup(&mut self, old_id: usize, buf: &[u8], ctx: &CallerCtx) -> Result<Option<OpenResult>> {
+ convert_to_this_scheme_block(self.dup(old_id, buf))
+ }
+
+ #[allow(unused_variables)]
+ fn read(&mut self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn write(&mut self, id: usize, buf: &[u8]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn seek(&mut self, id: usize, pos: isize, whence: usize) -> Result<Option<isize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fchmod(&mut self, id: usize, mode: u16) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fchown(&mut self, id: usize, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fcntl(&mut self, id: usize, cmd: usize, arg: usize) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fevent(&mut self, id: usize, flags: EventFlags) -> Result<Option<EventFlags>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fpath(&mut self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn frename(&mut self, id: usize, path: &str, uid: u32, gid: u32) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fstat(&mut self, id: usize, stat: &mut Stat) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fstatvfs(&mut self, id: usize, stat: &mut StatVfs) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fsync(&mut self, id: usize) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn ftruncate(&mut self, id: usize, len: usize) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn futimens(&mut self, id: usize, times: &[TimeSpec]) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn close(&mut self, id: usize) -> Result<Option<usize>> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn mmap_prep(&mut self, id: usize, offset: u64, size: usize, flags: MapFlags) -> Result<Option<usize>> {
+ Err(Error::new(EOPNOTSUPP))
+ }
+
+ #[allow(unused_variables)]
+ fn munmap(&mut self, id: usize, offset: u64, size: usize, flags: MunmapFlags) -> Result<Option<usize>> {
+ Err(Error::new(EOPNOTSUPP))
+ }
+}
diff --git a/vendor/redox_syscall/src/scheme/scheme_mut.rs b/vendor/redox_syscall/src/scheme/scheme_mut.rs
new file mode 100644
index 0000000..2eea4dc
--- /dev/null
+++ b/vendor/redox_syscall/src/scheme/scheme_mut.rs
@@ -0,0 +1,194 @@
+use core::{mem, slice};
+
+use crate::CallerCtx;
+use crate::OpenResult;
+use crate::data::*;
+use crate::error::*;
+use crate::flag::*;
+use crate::number::*;
+use crate::scheme::*;
+
+pub trait SchemeMut {
+ fn handle(&mut self, packet: &mut Packet) {
+ let res = match packet.a {
+ SYS_OPEN => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ convert_in_scheme_handle(packet, self.xopen(path, packet.d, &CallerCtx::from_packet(&packet)))
+ }
+ else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_RMDIR => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.rmdir(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_UNLINK => if let Some(path) = unsafe { str_from_raw_parts(packet.b as *const u8, packet.c) } {
+ self.unlink(path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+
+ SYS_DUP => convert_in_scheme_handle(packet, self.xdup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, &CallerCtx::from_packet(&packet))),
+ SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
+ SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
+ SYS_LSEEK => self.seek(packet.b, packet.c as isize, packet.d).map(|o| o as usize),
+ SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16),
+ SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32),
+ SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d),
+ SYS_FEVENT => self.fevent(packet.b, EventFlags::from_bits_truncate(packet.c)).map(|f| f.bits()),
+ SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
+ SYS_FRENAME => if let Some(path) = unsafe { str_from_raw_parts(packet.c as *const u8, packet.d) } {
+ self.frename(packet.b, path, packet.uid, packet.gid)
+ } else {
+ Err(Error::new(EINVAL))
+ },
+ SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() {
+ self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_FSTATVFS => if packet.d >= mem::size_of::<StatVfs>() {
+ self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_FSYNC => self.fsync(packet.b),
+ SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c),
+ SYS_FUTIMENS => if packet.d >= mem::size_of::<TimeSpec>() {
+ self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::<TimeSpec>()) })
+ } else {
+ Err(Error::new(EFAULT))
+ },
+ SYS_CLOSE => self.close(packet.b),
+
+ KSMSG_MMAP_PREP => self.mmap_prep(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MapFlags::from_bits_truncate(packet.d)),
+ KSMSG_MUNMAP => self.munmap(packet.b, u64::from(packet.uid) | (u64::from(packet.gid) << 32), packet.c, MunmapFlags::from_bits_truncate(packet.d)),
+
+ _ => Err(Error::new(ENOSYS))
+ };
+
+ packet.a = Error::mux(res);
+ }
+
+ /* Scheme operations */
+
+ #[allow(unused_variables)]
+ fn open(&mut self, path: &str, flags: usize, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(ENOENT))
+ }
+ #[allow(unused_variables)]
+ fn xopen(&mut self, path: &str, flags: usize, ctx: &CallerCtx) -> Result<OpenResult> {
+ convert_to_this_scheme(self.open(path, flags, ctx.uid, ctx.gid))
+ }
+
+ #[allow(unused_variables)]
+ fn chmod(&mut self, path: &str, mode: u16, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(ENOENT))
+ }
+
+ #[allow(unused_variables)]
+ fn rmdir(&mut self, path: &str, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(ENOENT))
+ }
+
+ #[allow(unused_variables)]
+ fn unlink(&mut self, path: &str, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(ENOENT))
+ }
+
+ /* Resource operations */
+ #[allow(unused_variables)]
+ fn dup(&mut self, old_id: usize, buf: &[u8]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn xdup(&mut self, old_id: usize, buf: &[u8], ctx: &CallerCtx) -> Result<OpenResult> {
+ convert_to_this_scheme(self.dup(old_id, buf))
+ }
+
+ #[allow(unused_variables)]
+ fn read(&mut self, id: usize, buf: &mut [u8]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn write(&mut self, id: usize, buf: &[u8]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn seek(&mut self, id: usize, pos: isize, whence: usize) -> Result<isize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fchmod(&mut self, id: usize, mode: u16) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fchown(&mut self, id: usize, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fcntl(&mut self, id: usize, cmd: usize, arg: usize) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fevent(&mut self, id: usize, flags: EventFlags) -> Result<EventFlags> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fpath(&mut self, id: usize, buf: &mut [u8]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn frename(&mut self, id: usize, path: &str, uid: u32, gid: u32) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fstat(&mut self, id: usize, stat: &mut Stat) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fstatvfs(&mut self, id: usize, stat: &mut StatVfs) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn fsync(&mut self, id: usize) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn ftruncate(&mut self, id: usize, len: usize) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn futimens(&mut self, id: usize, times: &[TimeSpec]) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn close(&mut self, id: usize) -> Result<usize> {
+ Err(Error::new(EBADF))
+ }
+
+ #[allow(unused_variables)]
+ fn mmap_prep(&mut self, id: usize, offset: u64, size: usize, flags: MapFlags) -> Result<usize> {
+ Err(Error::new(EOPNOTSUPP))
+ }
+
+ #[allow(unused_variables)]
+ fn munmap(&mut self, id: usize, offset: u64, size: usize, flags: MunmapFlags) -> Result<usize> {
+ Err(Error::new(EOPNOTSUPP))
+ }
+}
diff --git a/vendor/redox_syscall/src/scheme/seek.rs b/vendor/redox_syscall/src/scheme/seek.rs
new file mode 100644
index 0000000..09a4518
--- /dev/null
+++ b/vendor/redox_syscall/src/scheme/seek.rs
@@ -0,0 +1,33 @@
+use core::cmp;
+use core::convert::TryFrom;
+use crate::error::*;
+use crate::flag::*;
+
+/// Helper for seek calls
+/// In most cases it's easier to use a usize to track the offset and buffer size internally,
+/// but the seek interface uses isize. This wrapper ensures EOVERFLOW errors are returned
+/// as appropriate if the value in the usize can't fit in the isize.
+pub fn calc_seek_offset_usize(cur_offset: usize, pos: isize, whence: usize, buf_len: usize) -> Result<isize> {
+ let cur_offset = isize::try_from(cur_offset).or_else(|_| Err(Error::new(EOVERFLOW)))?;
+ let buf_len = isize::try_from(buf_len).or_else(|_| Err(Error::new(EOVERFLOW)))?;
+ calc_seek_offset_isize(cur_offset, pos, whence, buf_len)
+}
+
+/// Helper for seek calls
+/// Result is guaranteed to be positive.
+/// EOVERFLOW returned if the arguments would cause an overflow.
+/// EINVAL returned if the new offset is out of bounds.
+pub fn calc_seek_offset_isize(cur_offset: isize, pos: isize, whence: usize, buf_len: isize) -> Result<isize> {
+ let new_offset = match whence {
+ SEEK_CUR => pos.checked_add(cur_offset),
+ SEEK_END => pos.checked_add(buf_len),
+ SEEK_SET => Some(pos),
+ _ => None,
+ };
+
+ match new_offset {
+ Some(new_offset) if new_offset < 0 => Err(Error::new(EINVAL)),
+ Some(new_offset) => Ok(cmp::min(new_offset, buf_len)),
+ None => Err(Error::new(EOVERFLOW))
+ }
+}
\ No newline at end of file
diff --git a/vendor/redox_syscall/src/tests.rs b/vendor/redox_syscall/src/tests.rs
new file mode 100644
index 0000000..06a3c01
--- /dev/null
+++ b/vendor/redox_syscall/src/tests.rs
@@ -0,0 +1,416 @@
+#[test]
+fn clone() {
+ let expected_status = 42;
+ let pid_res = unsafe { crate::clone(crate::CloneFlags::empty()) };
+ if pid_res == Ok(0) {
+ crate::exit(expected_status).unwrap();
+ panic!("failed to exit");
+ } else {
+ let pid = dbg!(pid_res).unwrap();
+ let mut status = 0;
+ assert_eq!(dbg!(crate::waitpid(pid, &mut status, crate::WaitFlags::empty())), Ok(pid));
+ assert_eq!(dbg!(crate::wifexited(status)), true);
+ assert_eq!(dbg!(crate::wexitstatus(status)), expected_status);
+ }
+}
+
+//TODO: close
+
+#[test]
+fn clock_gettime() {
+ let mut tp = crate::TimeSpec::default();
+ assert_eq!(dbg!(
+ crate::clock_gettime(crate::CLOCK_MONOTONIC, &mut tp)
+ ), Ok(0));
+ assert_ne!(dbg!(tp), crate::TimeSpec::default());
+
+ tp = crate::TimeSpec::default();
+ assert_eq!(dbg!(
+ crate::clock_gettime(crate::CLOCK_REALTIME, &mut tp)
+ ), Ok(0));
+ assert_ne!(dbg!(tp), crate::TimeSpec::default());
+}
+
+//TODO: dup
+
+//TODO: dup2
+
+//TODO: exit (handled by clone?)
+
+//TODO: fchmod
+
+//TODO: fcntl
+
+#[test]
+fn fexec() {
+ let name = "file:/bin/ls";
+
+ let fd = dbg!(
+ crate::open(name, crate::O_RDONLY | crate::O_CLOEXEC)
+ ).unwrap();
+
+ let args = &[
+ [name.as_ptr() as usize, name.len()]
+ ];
+
+ let vars = &[];
+
+ let pid_res = unsafe { crate::clone(crate::CloneFlags::empty()) };
+ if pid_res == Ok(0) {
+ crate::fexec(fd, args, vars).unwrap();
+ panic!("failed to fexec");
+ } else {
+ assert_eq!(dbg!(crate::close(fd)), Ok(0));
+
+ let pid = dbg!(pid_res).unwrap();
+ let mut status = 0;
+ assert_eq!(dbg!(crate::waitpid(pid, &mut status, crate::WaitFlags::empty())), Ok(pid));
+ assert_eq!(dbg!(crate::wifexited(status)), true);
+ assert_eq!(dbg!(crate::wexitstatus(status)), 0);
+ }
+}
+
+#[test]
+fn fmap() {
+ use std::slice;
+
+ let fd = dbg!(
+ crate::open(
+ "file:/tmp/syscall-tests-fmap",
+ crate::O_CREAT | crate::O_RDWR | crate::O_CLOEXEC
+ )
+ ).unwrap();
+
+ let size = 128;
+
+ let map = unsafe {
+ slice::from_raw_parts_mut(
+ dbg!(
+ crate::fmap(fd, &crate::Map {
+ address: 0,
+ offset: 0,
+ size,
+ flags: crate::PROT_READ | crate::PROT_WRITE
+ })
+ ).unwrap() as *mut u8,
+ 128
+ )
+ };
+
+ // Maps should be available after closing
+ assert_eq!(dbg!(crate::close(fd)), Ok(0));
+
+ for i in 0..128 {
+ map[i as usize] = i;
+ assert_eq!(map[i as usize], i);
+ }
+
+ //TODO: add msync
+ unsafe {
+ assert_eq!(dbg!(
+ crate::funmap(map.as_mut_ptr() as usize, size)
+ ), Ok(0));
+ }
+}
+
+// funmap tested by fmap
+
+#[test]
+fn fpath() {
+ use std::str;
+
+ let path = "file:/tmp/syscall-tests-fpath";
+ let fd = dbg!(
+ crate::open(
+ dbg!(path),
+ crate::O_CREAT | crate::O_RDWR | crate::O_CLOEXEC
+ )
+ ).unwrap();
+
+ let mut buf = [0; 4096];
+ let count = dbg!(
+ crate::fpath(fd, &mut buf)
+ ).unwrap();
+
+ assert_eq!(dbg!(str::from_utf8(&buf[..count])), Ok(path));
+
+ assert_eq!(dbg!(crate::close(fd)), Ok(0));
+}
+
+//TODO: frename
+
+#[test]
+fn fstat() {
+ let path = "file:/tmp/syscall-tests-fstat";
+ let fd = dbg!(
+ crate::open(
+ dbg!(path),
+ crate::O_CREAT | crate::O_RDWR | crate::O_CLOEXEC
+ )
+ ).unwrap();
+
+ let mut stat = crate::Stat::default();
+ assert_eq!(dbg!(crate::fstat(fd, &mut stat)), Ok(0));
+ assert_ne!(dbg!(stat), crate::Stat::default());
+
+ assert_eq!(dbg!(crate::close(fd)), Ok(0));
+}
+
+#[test]
+fn fstatvfs() {
+ let path = "file:/tmp/syscall-tests-fstatvfs";
+ let fd = dbg!(
+ crate::open(
+ dbg!(path),
+ crate::O_CREAT | crate::O_RDWR | crate::O_CLOEXEC
+ )
+ ).unwrap();
+
+ let mut statvfs = crate::StatVfs::default();
+ assert_eq!(dbg!(crate::fstatvfs(fd, &mut statvfs)), Ok(0));
+ assert_ne!(dbg!(statvfs), crate::StatVfs::default());
+
+ assert_eq!(dbg!(crate::close(fd)), Ok(0));
+}
+
+//TODO: fsync
+
+//TODO: ftruncate
+
+//TODO: futimens
+
+//TODO: futex
+
+#[test]
+fn getegid() {
+ assert_eq!(crate::getegid(), Ok(0));
+}
+
+#[test]
+fn getens() {
+ assert_eq!(crate::getens(), Ok(1));
+}
+
+#[test]
+fn geteuid() {
+ assert_eq!(crate::geteuid(), Ok(0));
+}
+
+#[test]
+fn getgid() {
+ assert_eq!(crate::getgid(), Ok(0));
+}
+
+#[test]
+fn getns() {
+ assert_eq!(crate::getns(), Ok(1));
+}
+
+//TODO: getpid
+
+//TODO: getpgid
+
+//TODO: getppid
+
+#[test]
+fn getuid() {
+ assert_eq!(crate::getuid(), Ok(0));
+}
+
+//TODO: iopl
+
+//TODO: kill
+
+//TODO: link (probably will not work)
+
+#[test]
+fn lseek() {
+ let path = "file:/tmp/syscall-tests-lseek";
+ let fd = dbg!(
+ crate::open(
+ dbg!(path),
+ crate::O_CREAT | crate::O_RDWR | crate::O_CLOEXEC
+ )
+ ).unwrap();
+
+ {
+ let mut buf = [0; 256];
+ for i in 0..buf.len() {
+ buf[i] = i as u8;
+ }
+ assert_eq!(dbg!(crate::write(fd, &buf)), Ok(buf.len()));
+
+ assert_eq!(dbg!(crate::lseek(fd, 0, crate::SEEK_CUR)), Ok(buf.len()));
+ assert_eq!(dbg!(crate::lseek(fd, 0, crate::SEEK_SET)), Ok(0));
+ assert_eq!(dbg!(crate::lseek(fd, 0, crate::SEEK_END)), Ok(buf.len()));
+ assert_eq!(dbg!(crate::lseek(fd, 0, crate::SEEK_SET)), Ok(0));
+ }
+
+ {
+ let mut buf = [0; 256];
+ assert_eq!(dbg!(crate::read(fd, &mut buf)), Ok(buf.len()));
+ for i in 0..buf.len() {
+ assert_eq!(buf[i], i as u8);
+ }
+
+ assert_eq!(dbg!(crate::lseek(fd, 0, crate::SEEK_CUR)), Ok(buf.len()));
+ assert_eq!(dbg!(crate::lseek(fd, 0, crate::SEEK_SET)), Ok(0));
+ assert_eq!(dbg!(crate::lseek(fd, 0, crate::SEEK_END)), Ok(buf.len()));
+ assert_eq!(dbg!(crate::lseek(fd, 0, crate::SEEK_SET)), Ok(0));
+ }
+
+ assert_eq!(dbg!(crate::close(fd)), Ok(0));
+}
+
+//TODO: mkns
+
+//TODO: mprotect
+
+#[test]
+fn nanosleep() {
+ let req = crate::TimeSpec {
+ tv_sec: 0,
+ tv_nsec: 0,
+ };
+ let mut rem = crate::TimeSpec::default();
+ assert_eq!(crate::nanosleep(&req, &mut rem), Ok(0));
+ assert_eq!(rem, crate::TimeSpec::default());
+}
+
+//TODO: open
+
+//TODO: physalloc
+
+//TODO: physfree
+
+//TODO: physmap
+
+//TODO: physunmap
+
+//TODO: read
+
+#[test]
+fn rmdir() {
+ let path = "file:/tmp/syscall-tests-rmdir";
+ let fd = dbg!(
+ crate::open(
+ dbg!(path),
+ crate::O_CREAT | crate::O_DIRECTORY | crate::O_CLOEXEC
+ )
+ ).unwrap();
+
+ assert_eq!(dbg!(crate::close(fd)), Ok(0));
+
+ assert_eq!(dbg!(crate::rmdir(path)), Ok(0));
+}
+
+//TODO: setpgid
+
+//TODO: setregid
+
+//TODO: setrens
+
+//TODO: setreuid
+
+//TODO: sigaction
+
+//TODO: sigprocmask
+
+//TODO: sigreturn
+
+#[test]
+fn umask() {
+ let old = dbg!(crate::umask(0o244)).unwrap();
+ assert_eq!(dbg!(crate::umask(old)), Ok(0o244));
+}
+
+#[test]
+fn unlink() {
+ let path = "file:/tmp/syscall-tests-unlink";
+ let fd = dbg!(
+ crate::open(
+ dbg!(path),
+ crate::O_CREAT | crate::O_RDWR | crate::O_CLOEXEC
+ )
+ ).unwrap();
+
+ assert_eq!(dbg!(crate::close(fd)), Ok(0));
+
+ assert_eq!(dbg!(crate::unlink(path)), Ok(0));
+}
+
+//TODO: virttophys
+
+// waitpid tested by clone
+
+//TODO: write
+
+#[test]
+fn sched_yield() {
+ assert_eq!(dbg!(crate::sched_yield()), Ok(0));
+}
+
+#[test]
+fn sigaction() {
+ use std::{
+ mem,
+ sync::atomic::{AtomicBool, Ordering}
+ };
+
+ static SA_HANDLER_WAS_RAN: AtomicBool = AtomicBool::new(false);
+ static SA_HANDLER_2_WAS_IGNORED: AtomicBool = AtomicBool::new(false);
+
+ let child = unsafe { crate::clone(crate::CLONE_VM).unwrap() };
+
+ if child == 0 {
+ let pid = crate::getpid().unwrap();
+
+ extern "C" fn hello_im_a_signal_handler(signal: usize) {
+ assert_eq!(signal, crate::SIGUSR1);
+ SA_HANDLER_WAS_RAN.store(true, Ordering::SeqCst);
+ }
+
+ let my_signal_handler = crate::SigAction {
+ sa_handler: Some(hello_im_a_signal_handler),
+ ..Default::default()
+ };
+ crate::sigaction(crate::SIGUSR1, Some(&my_signal_handler), None).unwrap();
+
+ crate::kill(pid, crate::SIGUSR1).unwrap(); // calls handler
+
+ let mut old_signal_handler = crate::SigAction::default();
+ crate::sigaction(
+ crate::SIGUSR1,
+ Some(&crate::SigAction {
+ sa_handler: unsafe { mem::transmute::<usize, Option<extern "C" fn(usize)>>(crate::SIG_IGN) },
+ ..Default::default()
+ }),
+ Some(&mut old_signal_handler)
+ ).unwrap();
+ assert_eq!(my_signal_handler, old_signal_handler);
+
+ crate::kill(pid, crate::SIGUSR1).unwrap(); // does nothing
+
+ SA_HANDLER_2_WAS_IGNORED.store(true, Ordering::SeqCst);
+
+ crate::sigaction(
+ crate::SIGUSR1,
+ Some(&crate::SigAction {
+ sa_handler: unsafe { mem::transmute::<usize, Option<extern "C" fn(usize)>>(crate::SIG_DFL) },
+ ..Default::default()
+ }),
+ Some(&mut old_signal_handler)
+ ).unwrap();
+
+ crate::kill(pid, crate::SIGUSR1).unwrap(); // actually exits
+ } else {
+ let mut status = 0;
+ dbg!(crate::waitpid(child, &mut status, crate::WaitFlags::empty())).unwrap();
+
+ assert!(crate::wifsignaled(status));
+ assert_eq!(crate::wtermsig(status), crate::SIGUSR1);
+
+ assert!(SA_HANDLER_WAS_RAN.load(Ordering::SeqCst));
+ assert!(SA_HANDLER_2_WAS_IGNORED.load(Ordering::SeqCst));
+ }
+}
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