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Disable memory bound checking for kernel loader.

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This commit is contained in:
Heyang Zhou
2019-05-08 10:25:29 -07:00
parent accb80bca2
commit 620a6ddd85
4 changed files with 27 additions and 14 deletions
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16
lib/singlepass-backend/src/codegen_x64.rs
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@ -10,7 +10,7 @@ use smallvec::SmallVec;
use std::ptr::NonNull;
use std::{any::Any, collections::HashMap, sync::Arc};
use wasmer_runtime_core::{
backend::{Backend, RunnableModule, CompilerConfig},
backend::{Backend, RunnableModule, CompilerConfig, MemoryBoundCheckMode},
codegen::*,
memory::MemoryType,
module::ModuleInfo,
@ -290,7 +290,7 @@ pub struct CodegenError {
#[derive(Copy, Clone, Debug)]
struct CodegenConfig {
enforce_memory_bound_check: bool,
memory_bound_check_mode: MemoryBoundCheckMode,
enforce_stack_check: bool,
}
@ -475,7 +475,7 @@ impl ModuleCodeGenerator<X64FunctionCode, X64ExecutionContext, CodegenError>
fn feed_compiler_config(&mut self, config: &CompilerConfig) -> Result<(), CodegenError> {
self.config = Some(Arc::new(CodegenConfig {
enforce_memory_bound_check: config.enforce_memory_bound_check,
memory_bound_check_mode: config.memory_bound_check_mode,
enforce_stack_check: config.enforce_stack_check,
}));
Ok(())
@ -1243,13 +1243,13 @@ impl X64FunctionCode {
&module_info.imported_memories[import_mem_index].1
}
};
let need_check = if config.enforce_memory_bound_check {
true
} else {
match mem_desc.memory_type() {
let need_check = match config.memory_bound_check_mode {
MemoryBoundCheckMode::Default => match mem_desc.memory_type() {
MemoryType::Dynamic => true,
MemoryType::Static | MemoryType::SharedStatic => false,
}
},
MemoryBoundCheckMode::Enable => true,
MemoryBoundCheckMode::Disable => false,
};
if need_check {