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Added emscripten _sysconf

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This commit is contained in:
Syrus Akbary
2018-12-05 15:14:58 -08:00
parent 21c29de56c
commit 92a97d1dd4
3 changed files with 16 additions and 3 deletions
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2
Cargo.lock generated
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@ -675,7 +675,7 @@ dependencies = [
[[package]]
name = "wasmer"
version = "0.1.0"
version = "0.1.1"
dependencies = [
"byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
"cranelift-codegen 0.23.0",

10
src/apis/emscripten/env.rs
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@ -1,6 +1,6 @@
use super::super::host;
/// NOTE: These syscalls only support wasm_32 for now because they take u32 offset
use libc::{c_int, getgrnam as libc_getgrnam, getpwnam as libc_getpwnam};
use libc::{c_int, getgrnam as libc_getgrnam, getpwnam as libc_getpwnam, c_long, sysconf};
use std::ffi::CStr;
use std::mem;
use std::os::raw::c_char;
@ -110,3 +110,11 @@ pub extern "C" fn _getpagesize() -> u32 {
pub extern "C" fn ___build_environment(environ: c_int) {
debug!("emscripten::___build_environment {}", environ);
}
pub extern "C" fn _sysconf(name: c_int, instance: &mut Instance) -> c_long {
debug!("emscripten::_sysconf {}", name);
// TODO: Implement like emscripten expects regarding memory/page size
unsafe {
sysconf(name)
}
}

7
src/apis/emscripten/mod.rs
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@ -409,12 +409,17 @@ pub fn generate_emscripten_env<'a, 'b>() -> ImportObject<&'a str, &'b str> {
"_getpagesize",
ImportValue::Func(env::_getpagesize as _),
);
import_object.set(
"env",
"_sysconf",
ImportValue::Func(env::_sysconf as _),
);
mock_external!(import_object, _waitpid);
mock_external!(import_object, _utimes);
mock_external!(import_object, _usleep);
// mock_external!(import_object, _time);
mock_external!(import_object, _sysconf);
// mock_external!(import_object, _sysconf);
// mock_external!(import_object, _strftime);
mock_external!(import_object, _sigsuspend);
// mock_external!(import_object, _sigprocmask);