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Merge branch 'master' into feature/deny-missing-docs-clif-backend

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This commit is contained in:
Brandon Fish
2019-11-12 11:43:54 -06:00
committed by GitHub
parent 91b5059506 8e32c9b3c6
commit af12bf4f68
12 changed files with 671 additions and 256 deletions
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31
lib/clif-backend/src/code.rs
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@ -691,7 +691,9 @@ impl FuncEnvironment for FunctionEnvironment {
}
/// Generates a call IR with `callee` and `call_args` and inserts it at `pos`
/// TODO: add support for imported functions
///
/// It's about generating code that calls a local or imported function; in
/// WebAssembly: `(call $foo)`.
fn translate_call(
&mut self,
mut pos: FuncCursor,
@ -763,20 +765,31 @@ impl FuncEnvironment for FunctionEnvironment {
readonly: true,
});
let imported_vmctx_addr = pos.func.create_global_value(ir::GlobalValueData::Load {
base: imported_func_struct_addr,
offset: (vm::ImportedFunc::offset_vmctx() as i32).into(),
global_type: ptr_type,
readonly: true,
});
let imported_func_ctx_addr =
pos.func.create_global_value(ir::GlobalValueData::Load {
base: imported_func_struct_addr,
offset: (vm::ImportedFunc::offset_func_ctx() as i32).into(),
global_type: ptr_type,
readonly: true,
});
let imported_func_ctx_vmctx_addr =
pos.func.create_global_value(ir::GlobalValueData::Load {
base: imported_func_ctx_addr,
offset: (vm::FuncCtx::offset_vmctx() as i32).into(),
global_type: ptr_type,
readonly: true,
});
let imported_func_addr = pos.ins().global_value(ptr_type, imported_func_addr);
let imported_vmctx_addr = pos.ins().global_value(ptr_type, imported_vmctx_addr);
let imported_func_ctx_vmctx_addr = pos
.ins()
.global_value(ptr_type, imported_func_ctx_vmctx_addr);
let sig_ref = pos.func.dfg.ext_funcs[callee].signature;
let mut args = Vec::with_capacity(call_args.len() + 1);
args.push(imported_vmctx_addr);
args.push(imported_func_ctx_vmctx_addr);
args.extend(call_args.iter().cloned());
Ok(pos