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Emit stack probes in LLVM.

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This commit is contained in:
Nick Lewycky
2020-05-22 09:42:58 -07:00
parent 3a96e8c2d3
commit 300c684742
3 changed files with 6 additions and 2 deletions
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5
lib/compiler-llvm/src/translator/code.rs
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@ -7,6 +7,7 @@ use super::{
state::{ControlFrame, ExtraInfo, IfElseState, State},
};
use inkwell::{
attributes::AttributeLoc,
builder::Builder,
context::Context,
module::{Linkage, Module},
@ -35,7 +36,6 @@ use wasmer_compiler::{
use wasmer_runtime::{MemoryPlan, ModuleInfo, TablePlan, VMBuiltinFunctionIndex, VMOffsets};
// TODO: debugging
//use std::fs;
//use std::io::Write;
// TODO
@ -111,6 +111,7 @@ impl FuncTranslator {
// TODO: mark vmctx align 16
// TODO: figure out how many bytes long vmctx is, and mark it dereferenceable. (no need to mark it nonnull once we do this.)
// TODO: mark vmctx nofree
func.add_attribute(AttributeLoc::Function, intrinsics.stack_probe);
func.set_personality_function(intrinsics.personality);
func.as_global_value().set_section(".wasmer_function");
@ -268,7 +269,7 @@ impl FuncTranslator {
// TODO: remove debugging.
/*
let mem_buf_slice = memory_buffer.as_slice();
let mut file = fs::File::create(format!("/home/nicholas/code{}.o", func_name)).unwrap();
let mut file = std::fs::File::create(format!("/home/nicholas/code{}.o", func_name)).unwrap();
let mut pos = 0;
while pos < mem_buf_slice.len() {
pos += file.write(&mem_buf_slice[pos..]).unwrap();