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Removed UB

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This commit is contained in:
Erin 2023-10-22 04:21:45 +02:00
parent eab47db4d6
commit b4923cfb95
3 changed files with 5 additions and 360 deletions
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324
Cargo.lock generated
View file

@ -17,24 +17,6 @@ version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
[[package]]
name = "aho-corasick"
version = "1.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
dependencies = [
"memchr",
]
[[package]]
name = "ansi_term"
version = "0.12.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
dependencies = [
"winapi",
]
[[package]]
name = "argh"
version = "0.1.12"
@ -66,17 +48,6 @@ dependencies = [
"serde",
]
[[package]]
name = "atty"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
dependencies = [
"hermit-abi",
"libc",
"winapi",
]
[[package]]
name = "backtrace"
version = "0.3.69"
@ -85,43 +56,13 @@ checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
dependencies = [
"addr2line",
"cc",
"cfg-if 1.0.0",
"cfg-if",
"libc",
"miniz_oxide",
"object",
"rustc-demangle",
]
[[package]]
name = "bindgen"
version = "0.53.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c72a978d268b1d70b0e963217e60fdabd9523a941457a6c42a7315d15c7e89e5"
dependencies = [
"bitflags 1.3.2",
"cexpr",
"cfg-if 0.1.10",
"clang-sys",
"clap",
"env_logger",
"lazy_static",
"lazycell",
"log",
"peeking_take_while",
"proc-macro2",
"quote",
"regex",
"rustc-hash",
"shlex",
"which",
]
[[package]]
name = "bitflags"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]]
name = "bitflags"
version = "2.4.1"
@ -137,53 +78,12 @@ dependencies = [
"libc",
]
[[package]]
name = "cexpr"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f4aedb84272dbe89af497cf81375129abda4fc0a9e7c5d317498c15cc30c0d27"
dependencies = [
"nom",
]
[[package]]
name = "cfg-if"
version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
[[package]]
name = "cfg-if"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "clang-sys"
version = "0.29.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fe6837df1d5cba2397b835c8530f51723267e16abbf83892e9e5af4f0e5dd10a"
dependencies = [
"glob",
"libc",
"libloading",
]
[[package]]
name = "clap"
version = "2.34.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
dependencies = [
"ansi_term",
"atty",
"bitflags 1.3.2",
"strsim",
"textwrap",
"unicode-width",
"vec_map",
]
[[package]]
name = "color-eyre"
version = "0.6.2"
@ -211,19 +111,6 @@ dependencies = [
"tracing-error",
]
[[package]]
name = "env_logger"
version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
dependencies = [
"atty",
"humantime",
"log",
"regex",
"termcolor",
]
[[package]]
name = "eyre"
version = "0.6.8"
@ -240,12 +127,6 @@ version = "0.28.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
[[package]]
name = "glob"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
[[package]]
name = "hbbytecode"
version = "0.1.0"
@ -266,25 +147,6 @@ version = "0.1.0"
dependencies = [
"hbvm",
"nix",
"setjmp",
]
[[package]]
name = "hermit-abi"
version = "0.1.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
dependencies = [
"libc",
]
[[package]]
name = "humantime"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
dependencies = [
"quick-error",
]
[[package]]
@ -299,34 +161,12 @@ version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]]
name = "lazycell"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
[[package]]
name = "libc"
version = "0.2.149"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
[[package]]
name = "libloading"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f2b111a074963af1d37a139918ac6d49ad1d0d5e47f72fd55388619691a7d753"
dependencies = [
"cc",
"winapi",
]
[[package]]
name = "log"
version = "0.4.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
[[package]]
name = "memchr"
version = "2.6.4"
@ -348,21 +188,11 @@ version = "0.27.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"
dependencies = [
"bitflags 2.4.1",
"cfg-if 1.0.0",
"bitflags",
"cfg-if",
"libc",
]
[[package]]
name = "nom"
version = "5.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "08959a387a676302eebf4ddbcbc611da04285579f76f88ee0506c63b1a61dd4b"
dependencies = [
"memchr",
"version_check",
]
[[package]]
name = "object"
version = "0.32.1"
@ -384,12 +214,6 @@ version = "3.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
[[package]]
name = "peeking_take_while"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
[[package]]
name = "pin-project-lite"
version = "0.2.13"
@ -405,12 +229,6 @@ dependencies = [
"unicode-ident",
]
[[package]]
name = "quick-error"
version = "1.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
[[package]]
name = "quote"
version = "1.0.33"
@ -420,47 +238,12 @@ dependencies = [
"proc-macro2",
]
[[package]]
name = "regex"
version = "1.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
dependencies = [
"aho-corasick",
"memchr",
"regex-automata",
"regex-syntax",
]
[[package]]
name = "regex-automata"
version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
]
[[package]]
name = "regex-syntax"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
[[package]]
name = "rustc-demangle"
version = "0.1.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
[[package]]
name = "rustc-hash"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
[[package]]
name = "serde"
version = "1.0.189"
@ -481,17 +264,6 @@ dependencies = [
"syn 2.0.38",
]
[[package]]
name = "setjmp"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9bce8e042e9b4349ccf7ce5caeb5c9b7ee6007ff543b494733ae8ed4ea083c73"
dependencies = [
"bindgen",
"clang-sys",
"libc",
]
[[package]]
name = "sharded-slab"
version = "0.1.7"
@ -501,18 +273,6 @@ dependencies = [
"lazy_static",
]
[[package]]
name = "shlex"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
[[package]]
name = "strsim"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
[[package]]
name = "syn"
version = "1.0.109"
@ -535,31 +295,13 @@ dependencies = [
"unicode-ident",
]
[[package]]
name = "termcolor"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6093bad37da69aab9d123a8091e4be0aa4a03e4d601ec641c327398315f62b64"
dependencies = [
"winapi-util",
]
[[package]]
name = "textwrap"
version = "0.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
dependencies = [
"unicode-width",
]
[[package]]
name = "thread_local"
version = "1.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
dependencies = [
"cfg-if 1.0.0",
"cfg-if",
"once_cell",
]
@ -610,70 +352,12 @@ version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
[[package]]
name = "unicode-width"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
[[package]]
name = "valuable"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "vec_map"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
[[package]]
name = "version_check"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
[[package]]
name = "which"
version = "3.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"libc",
]
[[package]]
name = "winapi"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"winapi-i686-pc-windows-gnu",
"winapi-x86_64-pc-windows-gnu",
]
[[package]]
name = "winapi-i686-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"winapi",
]
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "with_builtin_macros"
version = "0.0.3"

1
hbxrt/Cargo.toml
View file

@ -7,4 +7,3 @@ default-run = "hbxrt"
[dependencies]
hbvm.path = "../hbvm"
nix = { version = "0.27", features = ["mman", "signal"] }
setjmp = "0.1"

40
hbxrt/src/main.rs
View file

@ -4,10 +4,7 @@ mod mem;
use {
hbvm::{mem::Address, Vm, VmRunOk},
nix::sys::mman::{mmap, MapFlags, ProtFlags},
setjmp::sigjmp_buf,
std::{
cell::UnsafeCell, env::args, fs::File, mem::MaybeUninit, num::NonZeroUsize, process::exit,
},
std::{env::args, fs::File, num::NonZeroUsize, process::exit},
};
fn main() -> Result<(), Box<dyn std::error::Error>> {
@ -42,9 +39,6 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
unsafe {
use nix::sys::signal;
static JMP_BUF: SyncUnsafeCell<MaybeUninit<sigjmp_buf>> =
SyncUnsafeCell::new(MaybeUninit::uninit());
extern "C" fn action(
_: std::ffi::c_int,
info: *mut nix::libc::siginfo_t,
@ -52,19 +46,9 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
) {
unsafe {
eprintln!("[E] Memory access fault at {:p}", (*info).si_addr());
setjmp::siglongjmp((*JMP_BUF.get()).as_mut_ptr(), 1);
}
}
if setjmp::sigsetjmp((*JMP_BUF.get()).as_mut_ptr(), 0) > 0 {
eprintln!(
" Program counter: {:#x}\n\n== Registers ==\n{:?}",
vm.pc.get(),
vm.registers
);
exit(3);
}
signal::sigaction(
signal::Signal::SIGSEGV,
&nix::sys::signal::SigAction::new(
@ -107,25 +91,3 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
Ok(())
}
#[repr(transparent)]
struct SyncUnsafeCell<T: ?Sized> {
value: UnsafeCell<T>,
}
unsafe impl<T: ?Sized + Sync> Sync for SyncUnsafeCell<T> {}
impl<T> SyncUnsafeCell<T> {
#[inline(always)]
pub const fn new(value: T) -> Self {
Self {
value: UnsafeCell::new(value),
}
}
}
impl<T: ?Sized> SyncUnsafeCell<T> {
#[inline(always)]
pub const fn get(&self) -> *mut T {
self.value.get()
}
}