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Improved memory access to use the vm_context

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This commit is contained in:
Syrus Akbary
2018-10-26 12:49:02 +02:00
parent 674c62aad5
commit d32422c2be
1 changed files with 10 additions and 10 deletions
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20
src/webassembly/module.rs
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@@ -344,21 +344,21 @@ impl<'environment> FuncEnvironmentTrait for FuncEnvironment<'environment> {
}
fn make_heap(&mut self, func: &mut ir::Function, _index: MemoryIndex) -> ir::Heap {
// OLD
// Create a static heap whose base address is stored at `vmctx+0`.
let addr = func.create_global_value(ir::GlobalValueData::VMContext);
let gv = func.create_global_value(ir::GlobalValueData::Load {
base: addr,
offset: Offset32::new(0),
// Create a static heap whose base address is stored at `vmctx+104`.
let vmctx = func.create_global_value(ir::GlobalValueData::VMContext);
let base = func.create_global_value(ir::GlobalValueData::Load {
base: vmctx,
offset: Offset32::new(104),
global_type: self.pointer_type(),
});
func.create_heap(ir::HeapData {
base: gv,
min_size: 0.into(),
guard_size: 0x8000_0000.into(),
base: base,
min_size: Imm64::new(0),
guard_size: Imm64::new(0x8000_0000),
style: ir::HeapStyle::Static {
bound: 0x1_0000_0000.into(),
bound: Imm64::new(0x1_0000_0000),
},
index_type: I32,
})