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Allow opening jitlib in luajit-sys

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lumi
2025-06-25 14:26:54 +10:00
parent 3ba568dc90
commit 7e8a655186
3 changed files with 70 additions and 9 deletions
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5
crates/luajit-sys/build.rs
View File

@@ -214,6 +214,11 @@ fn build_runtime(src_path: &Path) {
let status = panic_err!(make.status(), "failed to execute make");
(!status.success()).then(|| panic!("failed to compile luajit: {status}: {make:?}"));
println!(
"cargo::rustc-env=LUAJIT_SYS_JITLIB={}",
src_path.join("jit").display(),
);
if feature!("runtime") {
println!("cargo::rustc-link-search=native={}", src_path.display());
println!("cargo::rustc-link-lib=static=luajit");

43
crates/luajit-sys/lib.rs
View File

@@ -1,14 +1,53 @@
#![allow(nonstandard_style)]
use std::{ffi::*, ptr};
include!(env!("LUAJIT_SYS_BINDGEN"));
// #[cfg(all(panic = "abort", feature = "unwind"))]
// compile_error!(r#"feature "unwind" cannot be enabled if panic = "abort""#);
// #[cfg(all(panic = "unwind", not(feature = "unwind")))]
// compile_error!(r#"feature "unwind" must be enabled if panic = "unwind""#);
include!(env!("LUAJIT_SYS_BINDGEN"));
pub unsafe extern "C" fn luaJIT_openlibs(L: *mut lua_State) {
unsafe {
lua_getglobal(L, c"package".as_ptr());
lua_getfield(L, -1, c"preload".as_ptr());
lua_replace(L, -2);
macro_rules! load {
($n:literal, $f:literal) => {{
let n: &'static CStr = $n;
let f = include_bytes!(concat!(env!("LUAJIT_SYS_JITLIB"), "/", $f));
if luaL_loadbuffer(L, f.as_ptr().cast(), f.len(), n.as_ptr()) == 0 {
lua_setfield(L, -2, n.as_ptr());
} else {
lua_error(L);
}
}};
}
load!(c"jit.vmdef", "vmdef.lua");
load!(c"jit.dis_x86", "dis_x86.lua");
load!(c"jit.dis_x64", "dis_x64.lua");
load!(c"jit.dis_arm", "dis_arm.lua");
load!(c"jit.dis_arm64", "dis_arm64.lua");
load!(c"jit.dis_arm64be", "dis_arm64be.lua");
load!(c"jit.dis_ppc", "dis_ppc.lua");
load!(c"jit.dis_mips", "dis_mips.lua");
load!(c"jit.dis_mipsel", "dis_mipsel.lua");
load!(c"jit.dis_mips64", "dis_mips64.lua");
load!(c"jit.dis_mips64el", "dis_mips64el.lua");
load!(c"jit.dis_mips64r6", "dis_mips64r6.lua");
load!(c"jit.dis_mips64r6el", "dis_mips64r6el.lua");
load!(c"jit.bc", "bc.lua");
load!(c"jit.bcsave", "bcsave.lua");
load!(c"jit.v", "v.lua");
load!(c"jit.p", "p.lua");
load!(c"jit.dump", "dump.lua");
load!(c"jit.zone", "zone.lua");
lua_pop(L, 1);
}
}
// constants not exposed by lua.h
pub const LUA_TPROTO: c_int = LUA_TTHREAD + 1;
pub const LUA_TCDATA: c_int = LUA_TTHREAD + 2;