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Use crates.io version of wasmtime (#4135)

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* Use crates.io version of wasmtime

* Update cranelift-* to 0.50

* Update trampoline generation code.

* Update wasmtime to 0.8

* pretty print trampoline compilation errors
This commit is contained in:
Sergei Pepyakin
2019-11-20 20:03:54 +01:00
committed by Bastian Köcher
parent 75b6b51782
commit df7d3982d7
3 changed files with 184 additions and 134 deletions
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substrate/client/executor/src/wasmtime/trampoline.rs
+16 -2
View File
@@ -22,7 +22,9 @@
use cranelift_codegen::{Context, binemit, ir, isa};
use cranelift_codegen::ir::{InstBuilder, StackSlotData, StackSlotKind, TrapCode};
use cranelift_frontend::{FunctionBuilder, FunctionBuilderContext};
use cranelift_codegen::print_errors::pretty_error;
use wasmtime_jit::{CodeMemory, Compiler};
use wasmtime_environ::CompiledFunction;
use wasmtime_runtime::{VMContext, VMFunctionBody};
use wasm_interface::{Function, Value, ValueType};
use std::{cmp, panic::{self, AssertUnwindSafe}, ptr};
@@ -279,10 +281,22 @@ pub fn make_trampoline(
&mut trap_sink,
&mut stackmap_sink,
)
.map_err(|e| WasmError::Instantiation(format!("failed to compile trampoline: {}", e)))?;
.map_err(|e| {
WasmError::Instantiation(format!(
"failed to compile trampoline: {}",
pretty_error(&context.func, Some(isa), e)
))
})?;
let mut unwind_info = Vec::new();
context.emit_unwind_info(isa, &mut unwind_info);
let func_ref = code_memory
.allocate_copy_of_byte_slice(&code_buf)
.allocate_for_function(&CompiledFunction {
body: code_buf,
jt_offsets: context.func.jt_offsets,
unwind_info,
})
.map_err(|e| WasmError::Instantiation(format!("failed to allocate code memory: {}", e)))?;
Ok(func_ref.as_ptr())