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First step for generating host externals out of the function definition in sr-io (#3567)

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* Adds new wrapper traits for wasm executor

* Add new crate `substrate-wasm-interface`

Thew new crate holds types and traits for the communicating between the
wasm runtime and the host.

* Rewrite externals with new macro etc

* Fix vec initialization

* Make executor tests working

* Remove unused code + warnings

* Introduce `Pointer` and `WordSize` for working with wasm

* Fix tests and compilation

* Fix compilation

* Apply suggestions from code review

Co-Authored-By: Sergei Pepyakin <sergei@parity.io>

* Review feedback

* Remove unused conversions

* Make each host function its own struct

`HostFunctions` now just returns these function structs. Each function
can be executed by using one of the function structs. The inherent host
functions are now moved to the "normal" host functions.

* Remove byteorder

* Add floating point types

* Make pointer interface more safe

* Add type alias for wasm-interface Result

* More review comments
This commit is contained in:
Bastian Köcher
2019-09-10 16:07:25 +02:00
committed by GitHub
parent 86b3f2e1a7
commit 1450719acc
20 changed files with 1815 additions and 1462 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/core/sr-std/without_std.rs
+2 -2
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@@ -19,7 +19,7 @@
pub extern crate alloc;
extern "C" {
fn ext_malloc(size: usize) -> *mut u8;
fn ext_malloc(size: u32) -> *mut u8;
fn ext_free(ptr: *mut u8);
}
@@ -37,7 +37,7 @@ mod __impl {
unsafe impl GlobalAlloc for WasmAllocator {
unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
super::ext_malloc(layout.size()) as *mut u8
super::ext_malloc(layout.size() as u32) as *mut u8
}
unsafe fn dealloc(&self, ptr: *mut u8, _layout: Layout) {