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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /third_party/rust/redox_syscall | |
| parent | Initial commit. (diff) | |
| download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/redox_syscall')
27 files changed, 2797 insertions, 0 deletions
diff --git a/third_party/rust/redox_syscall/.cargo-checksum.json b/third_party/rust/redox_syscall/.cargo-checksum.json new file mode 100644 index 0000000000..aa717290c0 --- /dev/null +++ b/third_party/rust/redox_syscall/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"Cargo.toml":"6a30685e5679812735444beae8fbf0637c43cf65d8d7e74a9a44b7172899edd9","LICENSE":"efcfee7981ff72431fffb06925cad00a23dce079ed4354f61030ad5abdb78829","README.md":"9161f18ba7f69b4ca51e844aee8ffb8237513a468c5c3b1f3a5f989044f895ac","src/arch/aarch64.rs":"3c36537214f8e10331d42ce4c7ac57a472db49fed029193c31982279d08bdad5","src/arch/arm.rs":"44ed9097879fce0ebe85d29e25ba378fb3ee7fcd649b569207495ed601c42a1c","src/arch/nonredox.rs":"de54557f642218b34d451fc52fe3cff97e3e4307304ae02a678a900cab96cdb0","src/arch/x86.rs":"e72a7f653c25b1ea5595af7ce991fe0e5c96547e127fc67e4967d60abbe1d3bd","src/arch/x86_64.rs":"4b809fde77985b335b2f53057d0f13debeb3edae2bc3b18bcc7eb0af4b6d8aef","src/call.rs":"b5b53aab18bb91bfef88d82f1708d05e210a30cde141fce0031dad543d988391","src/data.rs":"84f8beb9d40b753a8c1713b922e99ed9913d35e959694b2c849351b1a92d87c9","src/error.rs":"d832a641ccb1baf10315e2e1ce59b12c30d605a526fc65a31f63bb3a92c3a2f7","src/flag.rs":"1e944be3b134d3776725529e2190e2d1548dd67a631838281b8c5bc829523dbe","src/io/dma.rs":"740cd441f844718a14f77c2fe292d29b7c468d686505810d8b3281f9528a6fe7","src/io/io.rs":"1bcb36d1867e9bab6a8186cd6928efe70ae2655e9f9d0dd3def20bc0fb6a82f6","src/io/mmio.rs":"b9fdb37d37a25a48106d60f1a977c541cb5162b20b12507c7dcd6eb3dff0a2c8","src/io/mod.rs":"4df12af3e82e6b5fe22112c9f51552112ee4811b7d1131d2a43d608d8d1cac09","src/io/pio.rs":"219fcd317d6c490a14794ec4db9de3e305c722dda720043c67076bda60632bb8","src/lib.rs":"907de02434902d35346f7e3b03be652a62e9def472cd1845eeca3da7a0c6bbea","src/number.rs":"4718baa58a0f3e6b9b66d1f328cb2a145e9b1f807654c3079a13b226c4085a29","src/scheme/generate.sh":"b022adacb74f2af1470e691341c37acc1582f428e9b8b6b9dccb790dde594b40","src/scheme/mod.rs":"2679272397bf0247e1a4695853465243ca02960feb4ced1124969f67ebd3e3ce","src/scheme/scheme.rs":"879728e4d4e7d8f3057df5a3a6af1636079135652594ee50ca1b665e876be595","src/scheme/scheme_block.rs":"a8ea17b1101548e9b36f6c9000f68fd5438a796069252f948bde7dda44088a7f","src/scheme/scheme_block_mut.rs":"8b881f84a54e2477967d43eb68dac7c578ff6451dba59eba0d517037b2ac4def","src/scheme/scheme_mut.rs":"30f9b0750437b7f55d5bb24da546fd4afcb3c27b0af06d5f681b8f1c4877e7b4","src/tests.rs":"b9d60e419f7e57bb942756e8011e19704cfd46fb6ec96ffa925fb7deb35c5d43"},"package":"2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"}
\ No newline at end of file diff --git a/third_party/rust/redox_syscall/Cargo.toml b/third_party/rust/redox_syscall/Cargo.toml new file mode 100644 index 0000000000..459b06a524 --- /dev/null +++ b/third_party/rust/redox_syscall/Cargo.toml @@ -0,0 +1,23 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g., crates.io) dependencies +# +# If you believe there's an error in this file please file an +# issue against the rust-lang/cargo repository. If you're +# editing this file be aware that the upstream Cargo.toml +# will likely look very different (and much more reasonable) + +[package] +name = "redox_syscall" +version = "0.1.56" +authors = ["Jeremy Soller <jackpot51@gmail.com>"] +description = "A Rust library to access raw Redox system calls" +documentation = "https://docs.rs/redox_syscall" +license = "MIT" +repository = "https://gitlab.redox-os.org/redox-os/syscall" + +[lib] +name = "syscall" diff --git a/third_party/rust/redox_syscall/LICENSE b/third_party/rust/redox_syscall/LICENSE new file mode 100644 index 0000000000..1292bb7fbd --- /dev/null +++ b/third_party/rust/redox_syscall/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) 2017 Redox OS Developers + +MIT License + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/third_party/rust/redox_syscall/README.md b/third_party/rust/redox_syscall/README.md new file mode 100644 index 0000000000..244c90861a --- /dev/null +++ b/third_party/rust/redox_syscall/README.md @@ -0,0 +1,6 @@ +# syscall +[Redox OS](https://gitlab.redox-os.org/redox-os/redox)'s syscall API + +[](./LICENSE) +[](https://crates.io/crates/redox_syscall) +[](https://docs.rs/redox_syscall) diff --git a/third_party/rust/redox_syscall/src/arch/aarch64.rs b/third_party/rust/redox_syscall/src/arch/aarch64.rs new file mode 100644 index 0000000000..662f428d04 --- /dev/null +++ b/third_party/rust/redox_syscall/src/arch/aarch64.rs @@ -0,0 +1,77 @@ +use super::error::{Error, Result}; + +pub unsafe fn syscall0(mut a: usize) -> Result<usize> { + asm!("svc 0" + : "={x0}"(a) + : "{x8}"(a) + : "x0", "x8" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> { + asm!("svc 0" + : "={x0}"(a) + : "{x8}"(a), "{x0}"(b) + : "x0", "x8" + : "volatile"); + + Error::demux(a) +} + +// Clobbers all registers - special for clone +pub unsafe fn syscall1_clobber(mut a: usize, b: usize) -> Result<usize> { + asm!("svc 0" + : "={x0}"(a) + : "{x8}"(a), "{x0}"(b) + : "memory", + "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", + "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", + "x16", "x17","x18", "x19", "x20", "x21", "x22", "x23", + "x24", "x25", "x26", "x27", "x28", "x29", "x30" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> { + asm!("svc 0" + : "={x0}"(a) + : "{x8}"(a), "{x0}"(b), "{x1}"(c) + : "x0", "x1", "x8" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize> { + asm!("svc 0" + : "={x0}"(a) + : "{x8}"(a), "{x0}"(b), "{x1}"(c), "{x2}"(d) + : "x0", "x1", "x2", "x8" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize> { + asm!("svc 0" + : "={x0}"(a) + : "{x8}"(a), "{x0}"(b), "{x1}"(c), "{x2}"(d), "{x3}"(e) + : "x0", "x1", "x2", "x3", "x8" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize) + -> Result<usize> { + asm!("svc 0" + : "={x0}"(a) + : "{x8}"(a), "{x0}"(b), "{x1}"(c), "{x2}"(d), "{x3}"(e), "{x4}"(f) + : "x0", "x1", "x2", "x3", "x4", "x8" + : "volatile"); + + Error::demux(a) +} diff --git a/third_party/rust/redox_syscall/src/arch/arm.rs b/third_party/rust/redox_syscall/src/arch/arm.rs new file mode 100644 index 0000000000..e640f7ed37 --- /dev/null +++ b/third_party/rust/redox_syscall/src/arch/arm.rs @@ -0,0 +1,73 @@ +use super::error::{Error, Result}; + +pub unsafe fn syscall0(mut a: usize) -> Result<usize> { + asm!("swi $$0" + : "={r0}"(a) + : "{r7}"(a) + : "memory" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> { + asm!("swi $$0" + : "={r0}"(a) + : "{r7}"(a), "{r0}"(b) + : "memory" + : "volatile"); + + Error::demux(a) +} + +// Clobbers all registers - special for clone +pub unsafe fn syscall1_clobber(mut a: usize, b: usize) -> Result<usize> { + asm!("swi $$0" + : "={r0}"(a) + : "{r7}"(a), "{r0}"(b) + : "memory", "r0", "r1", "r2", "r3", "r4" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> { + asm!("swi $$0" + : "={r0}"(a) + : "{r7}"(a), "{r0}"(b), "{r1}"(c) + : "memory" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize> { + asm!("swi $$0" + : "={r0}"(a) + : "{r7}"(a), "{r0}"(b), "{r1}"(c), "{r2}"(d) + : "memory" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize> { + asm!("swi $$0" + : "={r0}"(a) + : "{r7}"(a), "{r0}"(b), "{r1}"(c), "{r2}"(d), "{r3}"(e) + : "memory" + : "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize) + -> Result<usize> { + asm!("swi $$0" + : "={r0}"(a) + : "{r7}"(a), "{r0}"(b), "{r1}"(c), "{r2}"(d), "{r3}"(e), "{r4}"(f) + : "memory" + : "volatile"); + + Error::demux(a) +} diff --git a/third_party/rust/redox_syscall/src/arch/nonredox.rs b/third_party/rust/redox_syscall/src/arch/nonredox.rs new file mode 100644 index 0000000000..c99d41ac2c --- /dev/null +++ b/third_party/rust/redox_syscall/src/arch/nonredox.rs @@ -0,0 +1,31 @@ +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)) +} + +// Clobbers all registers - special for clone +pub unsafe fn syscall1_clobber(_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/third_party/rust/redox_syscall/src/arch/x86.rs b/third_party/rust/redox_syscall/src/arch/x86.rs new file mode 100644 index 0000000000..0cd6409bb0 --- /dev/null +++ b/third_party/rust/redox_syscall/src/arch/x86.rs @@ -0,0 +1,73 @@ +use super::error::{Error, Result}; + +pub unsafe fn syscall0(mut a: usize) -> Result<usize> { + asm!("int 0x80" + : "={eax}"(a) + : "{eax}"(a) + : "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> { + asm!("int 0x80" + : "={eax}"(a) + : "{eax}"(a), "{ebx}"(b) + : "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +// Clobbers all registers - special for clone +pub unsafe fn syscall1_clobber(mut a: usize, b: usize) -> Result<usize> { + asm!("int 0x80" + : "={eax}"(a) + : "{eax}"(a), "{ebx}"(b) + : "memory", "ebx", "ecx", "edx", "esi", "edi" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> { + asm!("int 0x80" + : "={eax}"(a) + : "{eax}"(a), "{ebx}"(b), "{ecx}"(c) + : "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize> { + asm!("int 0x80" + : "={eax}"(a) + : "{eax}"(a), "{ebx}"(b), "{ecx}"(c), "{edx}"(d) + : "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize> { + asm!("int 0x80" + : "={eax}"(a) + : "{eax}"(a), "{ebx}"(b), "{ecx}"(c), "{edx}"(d), "{esi}"(e) + : "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize) + -> Result<usize> { + asm!("int 0x80" + : "={eax}"(a) + : "{eax}"(a), "{ebx}"(b), "{ecx}"(c), "{edx}"(d), "{esi}"(e), "{edi}"(f) + : "memory" + : "intel", "volatile"); + + Error::demux(a) +} diff --git a/third_party/rust/redox_syscall/src/arch/x86_64.rs b/third_party/rust/redox_syscall/src/arch/x86_64.rs new file mode 100644 index 0000000000..76c3da130a --- /dev/null +++ b/third_party/rust/redox_syscall/src/arch/x86_64.rs @@ -0,0 +1,74 @@ +use super::error::{Error, Result}; + +pub unsafe fn syscall0(mut a: usize) -> Result<usize> { + asm!("syscall" + : "={rax}"(a) + : "{rax}"(a) + : "rcx", "r11", "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> { + asm!("syscall" + : "={rax}"(a) + : "{rax}"(a), "{rdi}"(b) + : "rcx", "r11", "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +// Clobbers all registers - special for clone +pub unsafe fn syscall1_clobber(mut a: usize, b: usize) -> Result<usize> { + asm!("syscall" + : "={rax}"(a) + : "{rax}"(a), "{rdi}"(b) + : "memory", "rbx", "rcx", "rdx", "rsi", "rdi", "r8", + "r9", "r10", "r11", "r12", "r13", "r14", "r15" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> { + asm!("syscall" + : "={rax}"(a) + : "{rax}"(a), "{rdi}"(b), "{rsi}"(c) + : "rcx", "r11", "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize> { + asm!("syscall" + : "={rax}"(a) + : "{rax}"(a), "{rdi}"(b), "{rsi}"(c), "{rdx}"(d) + : "rcx", "r11", "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize> { + asm!("syscall" + : "={rax}"(a) + : "{rax}"(a), "{rdi}"(b), "{rsi}"(c), "{rdx}"(d), "{r10}"(e) + : "rcx", "r11", "memory" + : "intel", "volatile"); + + Error::demux(a) +} + +pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize) + -> Result<usize> { + asm!("syscall" + : "={rax}"(a) + : "{rax}"(a), "{rdi}"(b), "{rsi}"(c), "{rdx}"(d), "{r10}"(e), "{r8}"(f) + : "rcx", "r11", "memory" + : "intel", "volatile"); + + Error::demux(a) +} diff --git a/third_party/rust/redox_syscall/src/call.rs b/third_party/rust/redox_syscall/src/call.rs new file mode 100644 index 0000000000..8b56541419 --- /dev/null +++ b/third_party/rust/redox_syscall/src/call.rs @@ -0,0 +1,393 @@ +use super::arch::*; +use super::data::{Map, SigAction, Stat, StatVfs, TimeSpec}; +use super::error::Result; +use super::number::*; + +use core::{mem, ptr}; + +// Signal restorer +extern "C" fn restorer() -> ! { + sigreturn().unwrap(); + unreachable!(); +} + +/// Set the end of the process's heap +/// +/// When `addr` is `0`, this function will return the current break. +/// +/// When `addr` is nonzero, this function will attempt to set the end of the process's +/// heap to `addr` and return the new program break. The new program break should be +/// checked by the allocator, it may not be exactly `addr`, as it may be aligned to a page +/// boundary. +/// +/// On error, `Err(ENOMEM)` will be returned indicating that no memory is available +pub unsafe fn brk(addr: usize) -> Result<usize> { + syscall1(SYS_BRK, addr) +} + +/// Change the process's working directory +/// +/// This function will attempt to set the process's working directory to `path`, which can be +/// either a relative, scheme relative, or absolute path. +/// +/// On success, `Ok(0)` will be returned. On error, one of the following errors will be returned. +/// +/// # Errors +/// +/// * `EACCES` - permission is denied for one of the components of `path`, or `path` +/// * `EFAULT` - `path` does not point to the process's addressible memory +/// * `EIO` - an I/O error occurred +/// * `ENOENT` - `path` does not exit +/// * `ENOTDIR` - `path` is not a directory +pub fn chdir<T: AsRef<[u8]>>(path: T) -> Result<usize> { + unsafe { syscall2(SYS_CHDIR, path.as_ref().as_ptr() as usize, path.as_ref().len()) } +} + +#[deprecated( + since = "0.1.55", + note = "use fchmod instead" +)] +pub fn chmod<T: AsRef<[u8]>>(path: T, mode: usize) -> Result<usize> { + unsafe { syscall3(SYS_CHMOD, path.as_ref().as_ptr() as usize, path.as_ref().len(), mode) } +} + +/// Produce a fork of the current process, or a new process thread +pub unsafe fn clone(flags: usize) -> Result<usize> { + syscall1_clobber(SYS_CLONE, flags) +} + +/// 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) } +} + +/// Replace the current process with a new executable +pub fn fexec(fd: usize, args: &[[usize; 2]], vars: &[[usize; 2]]) -> Result<usize> { + unsafe { syscall5(SYS_FEXEC, fd, args.as_ptr() as usize, args.len(), vars.as_ptr() as usize, vars.len()) } +} + +/// Map a file into memory +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 a memory-mapped file +pub unsafe fn funmap(addr: usize) -> Result<usize> { + syscall1(SYS_FUNMAP, addr) +} + +/// 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<[u8]>>(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 current working directory +pub fn getcwd(buf: &mut [u8]) -> Result<usize> { + unsafe { syscall2(SYS_GETCWD, buf.as_mut_ptr() as usize, buf.len()) } +} + +/// 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: usize) -> Result<usize> { + syscall3(SYS_MPROTECT, addr, size, flags) +} + +/// 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<[u8]>>(path: T, flags: usize) -> Result<usize> { + unsafe { syscall3(SYS_OPEN, path.as_ref().as_ptr() as usize, path.as_ref().len(), flags) } +} + +/// Allocate pages, 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) +} + +/// 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: usize) -> Result<usize> { + syscall3(SYS_PHYSMAP, physical_address, size, flags) +} + +/// Unmap previously mapped physical memory +/// +/// # Errors +/// +/// * `EPERM` - `uid != 0` +/// * `EFAULT` - `virtual_address` has not been mapped +pub unsafe fn physunmap(virtual_address: usize) -> Result<usize> { + syscall1(SYS_PHYSUNMAP, virtual_address) +} + +/// Create a pair of file descriptors referencing the read and write ends of a pipe +pub fn pipe2(fds: &mut [usize; 2], flags: usize) -> Result<usize> { + unsafe { syscall2(SYS_PIPE2, fds.as_ptr() as usize, flags) } +} + +/// 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<[u8]>>(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<[u8]>>(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: usize) -> Result<usize> { + unsafe { syscall3(SYS_WAITPID, pid, status as *mut usize as usize, options) } +} + +/// 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/third_party/rust/redox_syscall/src/data.rs b/third_party/rust/redox_syscall/src/data.rs new file mode 100644 index 0000000000..f2290e06f5 --- /dev/null +++ b/third_party/rust/redox_syscall/src/data.rs @@ -0,0 +1,309 @@ +use core::ops::{Deref, DerefMut}; +use core::{mem, slice}; + +#[derive(Copy, Clone, Debug, Default)] +#[repr(C)] +pub struct Event { + pub id: usize, + pub flags: usize, + 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>()) as &[u8] + } + } +} + +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>()) as &mut [u8] + } + } +} + +#[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>()) as &[u8] + } + } +} + +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>()) as &mut [u8] + } + } +} + +#[derive(Copy, Clone, Debug, Default)] +#[repr(C)] +pub struct Map { + pub offset: usize, + pub size: usize, + pub flags: 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>()) as &[u8] + } + } +} + +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>()) as &mut [u8] + } + } +} + +#[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>()) as &[u8] + } + } +} + +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>()) as &mut [u8] + } + } +} + +#[derive(Copy, Clone, Debug)] +#[repr(C)] +pub struct SigAction { + pub sa_handler: extern "C" fn(usize), + pub sa_mask: [u64; 2], + pub sa_flags: usize, +} + +impl Default for SigAction { + fn default() -> Self { + Self { + sa_handler: unsafe { mem::transmute(0usize) }, + sa_mask: [0; 2], + sa_flags: 0, + } + } +} + +#[derive(Copy, Clone, Debug, Default)] +#[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>()) as &[u8] + } + } +} + +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>()) as &mut [u8] + } + } +} + +#[derive(Copy, Clone, Debug, Default)] +#[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>()) as &[u8] + } + } +} + +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>()) as &mut [u8] + } + } +} + +#[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>()) as &[u8] + } + } +} + +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>()) as &mut [u8] + } + } +} + +#[derive(Copy, Clone, Debug, Default)] +#[repr(C)] +#[cfg(target_arch = "x86_64")] +pub struct IntRegisters { + 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 eflags: 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>()) as &[u8] + } + } +} + +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>()) as &mut [u8] + } + } +} + +#[derive(Clone, Copy)] +#[repr(C)] +#[cfg(target_arch = "x86_64")] +pub struct FloatRegisters { + pub cwd: u16, + pub swd: u16, + pub ftw: u16, + pub fop: u16, + pub rip: u64, + pub rdp: u64, + pub mxcsr: u32, + pub mxcr_mask: u32, + pub st_space: [u32; 32], + pub xmm_space: [u32; 64] +} + +impl Default for FloatRegisters { + fn default() -> Self { + // xmm_space is not Default until const generics + unsafe { mem::zeroed() } + } +} + +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>()) as &[u8] + } + } +} + +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>()) as &mut [u8] + } + } +} diff --git a/third_party/rust/redox_syscall/src/error.rs b/third_party/rust/redox_syscall/src/error.rs new file mode 100644 index 0000000000..fde4796a4f --- /dev/null +++ b/third_party/rust/redox_syscall/src/error.rs @@ -0,0 +1,311 @@ +use core::{fmt, result}; + +#[derive(Eq, PartialEq)] +pub struct Error { + pub errno: i32, +} + +pub type Result<T> = result::Result<T, Error>; + +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 static STR_ERROR: [&'static str; 132] = ["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"]; diff --git a/third_party/rust/redox_syscall/src/flag.rs b/third_party/rust/redox_syscall/src/flag.rs new file mode 100644 index 0000000000..e6c4cbff4f --- /dev/null +++ b/third_party/rust/redox_syscall/src/flag.rs @@ -0,0 +1,169 @@ +pub const CLONE_VM: usize = 0x100; +pub const CLONE_FS: usize = 0x200; +pub const CLONE_FILES: usize = 0x400; +pub const CLONE_SIGHAND: usize = 0x800; +pub const CLONE_VFORK: usize = 0x4000; +pub const CLONE_THREAD: usize = 0x10000; +pub const CLONE_STACK: usize = 0x1000_0000; + +pub const CLOCK_REALTIME: usize = 1; +pub const CLOCK_MONOTONIC: usize = 4; + +pub const EVENT_NONE: usize = 0; +pub const EVENT_READ: usize = 1; +pub const EVENT_WRITE: usize = 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 MAP_SHARED: usize = 0x0001; +pub const MAP_PRIVATE: usize = 0x0002; + +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; + +pub const PHYSMAP_WRITE: usize = 0x0000_0001; +pub const PHYSMAP_WRITE_COMBINE: usize = 0x0000_0002; +pub const PHYSMAP_NO_CACHE: usize = 0x0000_0004; + +pub const PROT_NONE: usize = 0x0000_0000; +pub const PROT_EXEC: usize = 0x0001_0000; +pub const PROT_WRITE: usize = 0x0002_0000; +pub const PROT_READ: usize = 0x0004_0000; + +pub const PTRACE_CONT: u8 = 0b0000_0001; +pub const PTRACE_SINGLESTEP: u8 = 0b0000_0010; +pub const PTRACE_SYSCALL: u8 = 0b0000_0011; +pub const PTRACE_WAIT: u8 = 0b0000_0100; +pub const PTRACE_OPERATIONMASK: u8 = 0b0000_1111; +pub const PTRACE_SYSEMU: u8 = 0b0001_0000; + +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; + +pub const SA_NOCLDSTOP: usize = 0x00000001; +pub const SA_NOCLDWAIT: usize = 0x00000002; +pub const SA_SIGINFO: usize = 0x00000004; +pub const SA_RESTORER: usize = 0x04000000; +pub const SA_ONSTACK: usize = 0x08000000; +pub const SA_RESTART: usize = 0x10000000; +pub const SA_NODEFER: usize = 0x40000000; +pub const SA_RESETHAND: usize = 0x80000000; + +pub const WNOHANG: usize = 0x01; +pub const WUNTRACED: usize = 0x02; +pub const WCONTINUED: usize = 0x08; + +/// 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 +} diff --git a/third_party/rust/redox_syscall/src/io/dma.rs b/third_party/rust/redox_syscall/src/io/dma.rs new file mode 100644 index 0000000000..d5334b843f --- /dev/null +++ b/third_party/rust/redox_syscall/src/io/dma.rs @@ -0,0 +1,76 @@ +use core::{mem, ptr}; +use core::ops::{Deref, DerefMut}; + +use Result; + +struct PhysBox { + address: usize, + size: usize +} + +impl PhysBox { + fn new(size: usize) -> Result<PhysBox> { + let address = unsafe { ::physalloc(size)? }; + Ok(PhysBox { + address: address, + size: size + }) + } +} + +impl Drop for PhysBox { + fn drop(&mut self) { + let _ = unsafe { ::physfree(self.address, self.size) }; + } +} + +pub struct Dma<T> { + phys: PhysBox, + virt: *mut T +} + +impl<T> Dma<T> { + pub fn new(value: T) -> Result<Dma<T>> { + let phys = PhysBox::new(mem::size_of::<T>())?; + let virt = unsafe { ::physmap(phys.address, phys.size, ::PHYSMAP_WRITE)? } as *mut T; + unsafe { ptr::write(virt, value); } + Ok(Dma { + phys: phys, + virt: virt + }) + } + + pub fn zeroed() -> Result<Dma<T>> { + let phys = PhysBox::new(mem::size_of::<T>())?; + let virt = unsafe { ::physmap(phys.address, phys.size, ::PHYSMAP_WRITE)? } as *mut T; + unsafe { ptr::write_bytes(virt as *mut u8, 0, phys.size); } + Ok(Dma { + phys: phys, + virt: virt + }) + } + + pub fn physical(&self) -> usize { + self.phys.address + } +} + +impl<T> Deref for Dma<T> { + type Target = T; + fn deref(&self) -> &T { + unsafe { &*self.virt } + } +} + +impl<T> DerefMut for Dma<T> { + fn deref_mut(&mut self) -> &mut T { + unsafe { &mut *self.virt } + } +} + +impl<T> Drop for Dma<T> { + fn drop(&mut self) { + unsafe { drop(ptr::read(self.virt)); } + let _ = unsafe { ::physunmap(self.virt as usize) }; + } +} diff --git a/third_party/rust/redox_syscall/src/io/io.rs b/third_party/rust/redox_syscall/src/io/io.rs new file mode 100644 index 0000000000..fb866b581b --- /dev/null +++ b/third_party/rust/redox_syscall/src/io/io.rs @@ -0,0 +1,67 @@ +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: Io> { + inner: I +} + +impl<I: Io> ReadOnly<I> { + pub const fn new(inner: I) -> ReadOnly<I> { + ReadOnly { + inner: inner + } + } + + #[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: Io> { + inner: I +} + +impl<I: Io> WriteOnly<I> { + pub const fn new(inner: I) -> WriteOnly<I> { + WriteOnly { + inner: inner + } + } + + #[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/third_party/rust/redox_syscall/src/io/mmio.rs b/third_party/rust/redox_syscall/src/io/mmio.rs new file mode 100644 index 0000000000..b8e7727d3c --- /dev/null +++ b/third_party/rust/redox_syscall/src/io/mmio.rs @@ -0,0 +1,31 @@ +use core::ptr::{read_volatile, write_volatile}; +use core::mem::uninitialized; +use core::ops::{BitAnd, BitOr, Not}; + +use super::io::Io; + +#[repr(packed)] +pub struct Mmio<T> { + value: T, +} + +impl<T> Mmio<T> { + /// Create a new Mmio without initializing + pub fn new() -> Self { + Mmio { + value: unsafe { uninitialized() } + } + } +} + +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 { read_volatile(&self.value) } + } + + fn write(&mut self, value: T) { + unsafe { write_volatile(&mut self.value, value) }; + } +} diff --git a/third_party/rust/redox_syscall/src/io/mod.rs b/third_party/rust/redox_syscall/src/io/mod.rs new file mode 100644 index 0000000000..a35456e30a --- /dev/null +++ b/third_party/rust/redox_syscall/src/io/mod.rs @@ -0,0 +1,11 @@ +//! I/O functions + +pub use self::dma::*; +pub use self::io::*; +pub use self::mmio::*; +pub use self::pio::*; + +mod dma; +mod io; +mod mmio; +mod pio; diff --git a/third_party/rust/redox_syscall/src/io/pio.rs b/third_party/rust/redox_syscall/src/io/pio.rs new file mode 100644 index 0000000000..91ae310b62 --- /dev/null +++ b/third_party/rust/redox_syscall/src/io/pio.rs @@ -0,0 +1,89 @@ +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: 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 $0, $1" : "={al}"(value) : "{dx}"(self.port) : "memory" : "intel", "volatile"); + } + value + } + + /// Write + #[inline(always)] + fn write(&mut self, value: u8) { + unsafe { + asm!("out $1, $0" : : "{al}"(value), "{dx}"(self.port) : "memory" : "intel", "volatile"); + } + } +} + +/// 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 $0, $1" : "={ax}"(value) : "{dx}"(self.port) : "memory" : "intel", "volatile"); + } + value + } + + /// Write + #[inline(always)] + fn write(&mut self, value: u16) { + unsafe { + asm!("out $1, $0" : : "{ax}"(value), "{dx}"(self.port) : "memory" : "intel", "volatile"); + } + } +} + +/// 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 $0, $1" : "={eax}"(value) : "{dx}"(self.port) : "memory" : "intel", "volatile"); + } + value + } + + /// Write + #[inline(always)] + fn write(&mut self, value: u32) { + unsafe { + asm!("out $1, $0" : : "{eax}"(value), "{dx}"(self.port) : "memory" : "intel", "volatile"); + } + } +} diff --git a/third_party/rust/redox_syscall/src/lib.rs b/third_party/rust/redox_syscall/src/lib.rs new file mode 100644 index 0000000000..6b8d130f01 --- /dev/null +++ b/third_party/rust/redox_syscall/src/lib.rs @@ -0,0 +1,59 @@ +#![feature(asm)] +#![feature(const_fn)] +#![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(target_os = "redox", target_arch = "arm"))] +#[path="arch/arm.rs"] +mod arch; + +#[cfg(all(target_os = "redox", target_arch = "aarch64"))] +#[path="arch/aarch64.rs"] +mod arch; + +#[cfg(all(target_os = "redox", target_arch = "x86"))] +#[path="arch/x86.rs"] +mod arch; + +#[cfg(all(target_os = "redox", target_arch = "x86_64"))] +#[path="arch/x86_64.rs"] +mod arch; + +#[cfg(not(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/third_party/rust/redox_syscall/src/number.rs b/third_party/rust/redox_syscall/src/number.rs new file mode 100644 index 0000000000..ec9acfaac2 --- /dev/null +++ b/third_party/rust/redox_syscall/src/number.rs @@ -0,0 +1,76 @@ +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_CHMOD: usize = SYS_CLASS_PATH | 15; +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; +pub const SYS_FEXEC: usize = SYS_CLASS_FILE | 11; +pub const SYS_FMAP: usize = SYS_CLASS_FILE | SYS_ARG_SLICE | 90; +pub const SYS_FUNMAP: usize = SYS_CLASS_FILE | 91; +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; + +pub const SYS_BRK: usize = 45; +pub const SYS_CHDIR: usize = 12; +pub const SYS_CLOCK_GETTIME: usize = 265; +pub const SYS_CLONE: usize = 120; +pub const SYS_EXIT: usize = 1; +pub const SYS_FUTEX: usize = 240; +pub const SYS_GETCWD: usize = 183; +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_PHYSFREE: usize = 946; +pub const SYS_PHYSMAP: usize = 947; +pub const SYS_PHYSUNMAP: usize =948; +pub const SYS_VIRTTOPHYS: usize=949; +pub const SYS_PIPE2: usize = 331; +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/third_party/rust/redox_syscall/src/scheme/generate.sh b/third_party/rust/redox_syscall/src/scheme/generate.sh new file mode 100755 index 0000000000..e5d11ae300 --- /dev/null +++ b/third_party/rust/redox_syscall/src/scheme/generate.sh @@ -0,0 +1,20 @@ +#!/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/Result<usize>/Result<Option<usize>>/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/third_party/rust/redox_syscall/src/scheme/mod.rs b/third_party/rust/redox_syscall/src/scheme/mod.rs new file mode 100644 index 0000000000..66f8fc76da --- /dev/null +++ b/third_party/rust/redox_syscall/src/scheme/mod.rs @@ -0,0 +1,9 @@ +pub use self::scheme::Scheme; +pub use self::scheme_mut::SchemeMut; +pub use self::scheme_block::SchemeBlock; +pub use self::scheme_block_mut::SchemeBlockMut; + +mod scheme; +mod scheme_mut; +mod scheme_block; +mod scheme_block_mut; diff --git a/third_party/rust/redox_syscall/src/scheme/scheme.rs b/third_party/rust/redox_syscall/src/scheme/scheme.rs new file mode 100644 index 0000000000..c047e96833 --- /dev/null +++ b/third_party/rust/redox_syscall/src/scheme/scheme.rs @@ -0,0 +1,167 @@ +use core::{mem, slice}; + +use data::*; +use error::*; +use number::*; + +pub trait Scheme { + fn handle(&self, packet: &mut Packet) { + let res = match packet.a { + SYS_OPEN => self.open(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d, packet.uid, packet.gid), + SYS_CHMOD => self.chmod(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d as u16, packet.uid, packet.gid), + SYS_RMDIR => self.rmdir(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), + SYS_UNLINK => self.unlink(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), + + SYS_DUP => self.dup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }), + 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, packet.d), + 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, packet.c), + SYS_FMAP => if packet.d >= mem::size_of::<Map>() { + self.fmap(packet.b, unsafe { &*(packet.c as *const Map) }) + } else { + Err(Error::new(EFAULT)) + }, + SYS_FUNMAP => self.funmap(packet.b), + SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }), + SYS_FRENAME => self.frename(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, packet.uid, packet.gid), + 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), + _ => Err(Error::new(ENOSYS)) + }; + + packet.a = Error::mux(res); + } + + /* Scheme operations */ + + #[allow(unused_variables)] + fn open(&self, path: &[u8], flags: usize, uid: u32, gid: u32) -> Result<usize> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn chmod(&self, path: &[u8], mode: u16, uid: u32, gid: u32) -> Result<usize> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn rmdir(&self, path: &[u8], uid: u32, gid: u32) -> Result<usize> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn unlink(&self, path: &[u8], 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 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: usize, whence: usize) -> Result<usize> { + 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: usize) -> Result<usize> { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fmap(&self, id: usize, map: &Map) -> Result<usize> { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn funmap(&self, address: usize) -> Result<usize> { + 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: &[u8], 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)) + } +} diff --git a/third_party/rust/redox_syscall/src/scheme/scheme_block.rs b/third_party/rust/redox_syscall/src/scheme/scheme_block.rs new file mode 100644 index 0000000000..0407dde61d --- /dev/null +++ b/third_party/rust/redox_syscall/src/scheme/scheme_block.rs @@ -0,0 +1,167 @@ +use core::{mem, slice}; + +use data::*; +use error::*; +use number::*; + +pub trait SchemeBlock { + fn handle(&self, packet: &Packet) -> Option<usize> { + let res = match packet.a { + SYS_OPEN => self.open(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d, packet.uid, packet.gid), + SYS_CHMOD => self.chmod(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d as u16, packet.uid, packet.gid), + SYS_RMDIR => self.rmdir(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), + SYS_UNLINK => self.unlink(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), + + SYS_DUP => self.dup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }), + 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, packet.d), + 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, packet.c), + SYS_FMAP => if packet.d >= mem::size_of::<Map>() { + self.fmap(packet.b, unsafe { &*(packet.c as *const Map) }) + } else { + Err(Error::new(EFAULT)) + }, + SYS_FUNMAP => self.funmap(packet.b), + SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }), + SYS_FRENAME => self.frename(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, packet.uid, packet.gid), + 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), + _ => Err(Error::new(ENOSYS)) + }; + + res.transpose().map(Error::mux) + } + + /* Scheme operations */ + + #[allow(unused_variables)] + fn open(&self, path: &[u8], flags: usize, uid: u32, gid: u32) -> Result<Option<usize>> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn chmod(&self, path: &[u8], mode: u16, uid: u32, gid: u32) -> Result<Option<usize>> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn rmdir(&self, path: &[u8], uid: u32, gid: u32) -> Result<Option<usize>> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn unlink(&self, path: &[u8], 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 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: usize, whence: usize) -> Result<Option<usize>> { + 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: usize) -> Result<Option<usize>> { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fmap(&self, id: usize, map: &Map) -> Result<Option<usize>> { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn funmap(&self, address: usize) -> Result<Option<usize>> { + 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: &[u8], 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)) + } +} diff --git a/third_party/rust/redox_syscall/src/scheme/scheme_block_mut.rs b/third_party/rust/redox_syscall/src/scheme/scheme_block_mut.rs new file mode 100644 index 0000000000..411035f42f --- /dev/null +++ b/third_party/rust/redox_syscall/src/scheme/scheme_block_mut.rs @@ -0,0 +1,167 @@ +use core::{mem, slice}; + +use data::*; +use error::*; +use number::*; + +pub trait SchemeBlockMut { + fn handle(&mut self, packet: &Packet) -> Option<usize> { + let res = match packet.a { + SYS_OPEN => self.open(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d, packet.uid, packet.gid), + SYS_CHMOD => self.chmod(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d as u16, packet.uid, packet.gid), + SYS_RMDIR => self.rmdir(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), + SYS_UNLINK => self.unlink(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), + + SYS_DUP => self.dup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }), + 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, packet.d), + 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, packet.c), + SYS_FMAP => if packet.d >= mem::size_of::<Map>() { + self.fmap(packet.b, unsafe { &*(packet.c as *const Map) }) + } else { + Err(Error::new(EFAULT)) + }, + SYS_FUNMAP => self.funmap(packet.b), + SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }), + SYS_FRENAME => self.frename(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, packet.uid, packet.gid), + 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), + _ => Err(Error::new(ENOSYS)) + }; + + res.transpose().map(Error::mux) + } + + /* Scheme operations */ + + #[allow(unused_variables)] + fn open(&mut self, path: &[u8], flags: usize, uid: u32, gid: u32) -> Result<Option<usize>> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn chmod(&mut self, path: &[u8], mode: u16, uid: u32, gid: u32) -> Result<Option<usize>> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn rmdir(&mut self, path: &[u8], uid: u32, gid: u32) -> Result<Option<usize>> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn unlink(&mut self, path: &[u8], 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 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: usize, whence: usize) -> Result<Option<usize>> { + 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: usize) -> Result<Option<usize>> { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fmap(&mut self, id: usize, map: &Map) -> Result<Option<usize>> { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn funmap(&mut self, address: usize) -> Result<Option<usize>> { + 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: &[u8], 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)) + } +} diff --git a/third_party/rust/redox_syscall/src/scheme/scheme_mut.rs b/third_party/rust/redox_syscall/src/scheme/scheme_mut.rs new file mode 100644 index 0000000000..abd2e88e5c --- /dev/null +++ b/third_party/rust/redox_syscall/src/scheme/scheme_mut.rs @@ -0,0 +1,167 @@ +use core::{mem, slice}; + +use data::*; +use error::*; +use number::*; + +pub trait SchemeMut { + fn handle(&mut self, packet: &mut Packet) { + let res = match packet.a { + SYS_OPEN => self.open(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d, packet.uid, packet.gid), + SYS_CHMOD => self.chmod(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d as u16, packet.uid, packet.gid), + SYS_RMDIR => self.rmdir(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), + SYS_UNLINK => self.unlink(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), + + SYS_DUP => self.dup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }), + 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, packet.d), + 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, packet.c), + SYS_FMAP => if packet.d >= mem::size_of::<Map>() { + self.fmap(packet.b, unsafe { &*(packet.c as *const Map) }) + } else { + Err(Error::new(EFAULT)) + }, + SYS_FUNMAP => self.funmap(packet.b), + SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }), + SYS_FRENAME => self.frename(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, packet.uid, packet.gid), + 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), + _ => Err(Error::new(ENOSYS)) + }; + + packet.a = Error::mux(res); + } + + /* Scheme operations */ + + #[allow(unused_variables)] + fn open(&mut self, path: &[u8], flags: usize, uid: u32, gid: u32) -> Result<usize> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn chmod(&mut self, path: &[u8], mode: u16, uid: u32, gid: u32) -> Result<usize> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn rmdir(&mut self, path: &[u8], uid: u32, gid: u32) -> Result<usize> { + Err(Error::new(ENOENT)) + } + + #[allow(unused_variables)] + fn unlink(&mut self, path: &[u8], 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 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: usize, whence: usize) -> Result<usize> { + 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: usize) -> Result<usize> { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn fmap(&mut self, id: usize, map: &Map) -> Result<usize> { + Err(Error::new(EBADF)) + } + + #[allow(unused_variables)] + fn funmap(&mut self, address: usize) -> Result<usize> { + 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: &[u8], 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)) + } +} diff --git a/third_party/rust/redox_syscall/src/tests.rs b/third_party/rust/redox_syscall/src/tests.rs new file mode 100644 index 0000000000..cf89ec96ae --- /dev/null +++ b/third_party/rust/redox_syscall/src/tests.rs @@ -0,0 +1,129 @@ +#[test] +fn brk() { + unsafe { + let start = dbg!(crate::brk(0)).unwrap(); + let end = start + 4 * 1024 * 1024; + assert_eq!(dbg!(crate::brk(end)), Ok(end)); + } +} + +#[test] +fn chdir() { + //TODO: Verify CWD + assert_eq!(dbg!(crate::chdir("file:/")), Ok(0)); + assert_eq!(dbg!(crate::chdir("file:/root")), Ok(0)); +} + +//TODO: chmod + +#[test] +fn clone() { + let expected_status = 42; + let pid_res = unsafe { crate::clone(0) }; + 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, 0)), 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 = "/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(0) }; + 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, 0)), 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( + "/tmp/syscall-tests-fmap", + crate::O_CREAT | crate::O_RDWR | crate::O_CLOEXEC + ) + ).unwrap(); + + let map = unsafe { + slice::from_raw_parts_mut( + dbg!( + crate::fmap(fd, &crate::Map { + offset: 0, + size: 128, + 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) + ), Ok(0)); + } +} |