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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/redox_syscall/src/arch
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--vendor/redox_syscall/src/arch/aarch64.rs132
-rw-r--r--vendor/redox_syscall/src/arch/nonredox.rs26
-rw-r--r--vendor/redox_syscall/src/arch/riscv64.rs93
-rw-r--r--vendor/redox_syscall/src/arch/x86_64.rs155
4 files changed, 406 insertions, 0 deletions
diff --git a/vendor/redox_syscall/src/arch/aarch64.rs b/vendor/redox_syscall/src/arch/aarch64.rs
new file mode 100644
index 000000000..e771396e3
--- /dev/null
+++ b/vendor/redox_syscall/src/arch/aarch64.rs
@@ -0,0 +1,132 @@
+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;
+
+ 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 elr_el1: usize,
+ pub tpidr_el0: usize,
+ pub tpidrro_el0: usize,
+ pub spsr_el1: usize,
+ pub esr_el1: usize,
+ pub sp_el0: usize, // Shouldn't be used if interrupt occurred at EL1
+ pub padding: usize, // To keep the struct even number aligned
+ 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>())
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/arch/nonredox.rs b/vendor/redox_syscall/src/arch/nonredox.rs
new file mode 100644
index 000000000..f99a7148c
--- /dev/null
+++ b/vendor/redox_syscall/src/arch/nonredox.rs
@@ -0,0 +1,26 @@
+use super::error::{Error, Result, ENOSYS};
+
+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 000000000..2a90260da
--- /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") $f,
+ )?
+ )?
+ )?
+ )?
+ )?
+ lateout("a0") ret,
+ options(nostack),
+ );
+
+ Error::demux(ret)
+ }
+ )+
+ };
+}
+
+syscall! {
+ syscall0(a,);
+ syscall1(a, b,);
+ syscall2(a, b, c,);
+ syscall3(a, b, c, d,);
+ syscall4(a, b, c, d, e,);
+ syscall5(a, b, c, d, e, f,);
+}
+
+#[derive(Copy, Clone, Debug, Default)]
+#[repr(C)]
+pub struct IntRegisters {
+ //TODO
+}
+
+impl Deref for IntRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const IntRegisters as *const u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+impl DerefMut for IntRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut IntRegisters as *mut u8, mem::size_of::<IntRegisters>())
+ }
+ }
+}
+
+#[derive(Clone, Copy, Debug, Default)]
+#[repr(packed)]
+pub struct FloatRegisters {
+ //TODO
+}
+
+impl Deref for FloatRegisters {
+ type Target = [u8];
+ fn deref(&self) -> &[u8] {
+ unsafe {
+ slice::from_raw_parts(self as *const FloatRegisters as *const u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
+
+impl DerefMut for FloatRegisters {
+ fn deref_mut(&mut self) -> &mut [u8] {
+ unsafe {
+ slice::from_raw_parts_mut(self as *mut FloatRegisters as *mut u8, mem::size_of::<FloatRegisters>())
+ }
+ }
+}
diff --git a/vendor/redox_syscall/src/arch/x86_64.rs b/vendor/redox_syscall/src/arch/x86_64.rs
new file mode 100644
index 000000000..f71898e90
--- /dev/null
+++ b/vendor/redox_syscall/src/arch/x86_64.rs
@@ -0,0 +1,155 @@
+use core::{mem, slice};
+use core::arch::asm;
+use core::ops::{Deref, DerefMut};
+
+use super::error::{Error, Result};
+
+macro_rules! syscall {
+ ($($name:ident($a:ident, $($b:ident, $($c:ident, $($d:ident, $($e:ident, $($f:ident, )?)?)?)?)?);)+) => {
+ $(
+ pub unsafe fn $name(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>())
+ }
+ }
+}