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Move "wasm" allocator into its own crate (#4716)

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This moves the wasm-allocator (`FreeingBumpHeapAllocator`) into its own
crate `sp-allocator`. This new crate can theoretically provide multiple
different allocators. Besides moving the allocator, this pr also makes
`FreeingBumpHeapAllocator` compile on `no_std`.
This commit is contained in:
Bastian Köcher
2020-01-22 18:13:17 +01:00
committed by Sergei Pepyakin
parent 670ce71009
commit 5bd6e94e64
21 changed files with 230 additions and 70 deletions
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substrate/client/executor/wasmtime/src/function_executor.rs
+3 -3
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@@ -14,7 +14,7 @@
// You should have received a copy of the GNU General Public License
// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
use sc_executor_common::allocator::FreeingBumpHeapAllocator;
use sp_allocator::FreeingBumpHeapAllocator;
use sc_executor_common::error::{Error, Result};
use sc_executor_common::sandbox::{self, SandboxCapabilities, SupervisorFuncIndex};
use crate::util::{
@@ -127,11 +127,11 @@ impl<'a> SandboxCapabilities for FunctionExecutor<'a> {
}
fn allocate(&mut self, len: WordSize) -> Result<Pointer<u8>> {
self.heap.allocate(self.memory, len)
self.heap.allocate(self.memory, len).map_err(Into::into)
}
fn deallocate(&mut self, ptr: Pointer<u8>) -> Result<()> {
self.heap.deallocate(self.memory, ptr)
self.heap.deallocate(self.memory, ptr).map_err(Into::into)
}
fn write_memory(&mut self, ptr: Pointer<u8>, data: &[u8]) -> Result<()> {