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Cleanup loader code.

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This commit is contained in:
losfair
2019-05-14 16:02:27 +08:00
parent 2a160c74ad
commit 722ea39877
5 changed files with 379 additions and 299 deletions
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14
lib/runtime-core/src/loader.rs
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@ -8,6 +8,7 @@ use crate::{
module::ModuleInfo,
types::Value,
};
#[cfg(unix)]
use libc::{
mmap, mprotect, munmap, MAP_ANON, MAP_PRIVATE, PROT_EXEC, PROT_READ,
PROT_WRITE,
@ -81,6 +82,18 @@ pub struct CodeMemory {
size: usize,
}
#[cfg(not(unix))]
impl CodeMemory {
pub fn new(_size: usize) -> CodeMemory {
unimplemented!();
}
pub fn make_executable(&mut self) {
unimplemented!();
}
}
#[cfg(unix)]
impl CodeMemory {
pub fn new(size: usize) -> CodeMemory {
fn round_up_to_page_size(size: usize) -> usize {
@ -113,6 +126,7 @@ impl CodeMemory {
}
}
#[cfg(unix)]
impl Drop for CodeMemory {
fn drop(&mut self) {
unsafe { munmap(self.ptr as _, self.size); }