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Code Issues Projects Releases Wiki Activity

Improve arrays and record passing scheme (#76)

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This commit is contained in:
vms
2021-04-26 14:02:26 +03:00
committed by GitHub
parent c702311595
commit 96c32b64d8
79 changed files with 1109 additions and 1079 deletions
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80
examples/url-downloader/curl_adapter/src/main.rs
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@ -31,10 +31,24 @@ pub fn main() {
#[fce]
pub fn download(url: String) -> String {
log::info!("get called with url {}", url);
log::info!("download called with url {}\n", url);
unsafe {
log::info!(
"download track: {} {} {} {} {}",
*ALLOCS.get_mut(),
*DEALLOCS.get_mut(),
*REALLOCSA.get_mut(),
*REALLOCSD.get_mut(),
*ALLOCS.get_mut() - *DEALLOCS.get_mut() - *REALLOCSD.get_mut() + *REALLOCSA.get_mut()
);
}
let result = curl(vec![url]);
String::from_utf8(result.stdout).unwrap()
let res = String::from_utf8(result.stdout).unwrap();
log::info!("download ended with {}\n", res);
res
}
/// Permissions in `Config.toml` should exist to use host functions.
@ -43,3 +57,65 @@ pub fn download(url: String) -> String {
extern "C" {
fn curl(cmd: Vec<String>) -> MountedBinaryResult;
}
use std::alloc::{GlobalAlloc, System, Layout};
#[global_allocator]
static GLOBAL_ALLOCATOR: WasmTracingAllocator<System> = WasmTracingAllocator(System);
#[derive(Debug)]
pub struct WasmTracingAllocator<A>(pub A)
where
A: GlobalAlloc;
use std::sync::atomic::AtomicUsize;
static mut ALLOCS: AtomicUsize = AtomicUsize::new(0);
static mut DEALLOCS: AtomicUsize = AtomicUsize::new(0);
static mut REALLOCSA: AtomicUsize = AtomicUsize::new(0);
static mut REALLOCSD: AtomicUsize = AtomicUsize::new(0);
unsafe impl<A> GlobalAlloc for WasmTracingAllocator<A>
where
A: GlobalAlloc,
{
unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
let size = layout.size();
let t = *ALLOCS.get_mut();
*ALLOCS.get_mut() = t + size;
let pointer = self.0.alloc(layout);
pointer
}
unsafe fn dealloc(&self, pointer: *mut u8, layout: Layout) {
let size = layout.size();
let t = *DEALLOCS.get_mut();
*DEALLOCS.get_mut() = t + size;
self.0.dealloc(pointer, layout);
}
unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
let size = layout.size();
let t = *ALLOCS.get_mut();
*ALLOCS.get_mut() = t + size;
let pointer = self.0.alloc_zeroed(layout);
pointer
}
unsafe fn realloc(&self, old_pointer: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
let old_size = layout.size();
let t = *REALLOCSD.get_mut();
*REALLOCSD.get_mut() = t + old_size;
let t = *REALLOCSA.get_mut();
*REALLOCSA.get_mut() = t + layout.size();
let new_pointer = self.0.realloc(old_pointer, layout, new_size);
new_pointer
}
}