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Add the ability to pass backend specific options through CompilerConfig.

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Use this to replace wasmer_llvm_backend::GLOBAL_OPTIONS.
This commit is contained in:
Nick Lewycky
2019-12-04 10:38:28 -08:00
parent af7a368320
commit 8d3cf874cd
5 changed files with 95 additions and 46 deletions
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16
lib/llvm-backend/src/backend.rs
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@ -2,6 +2,7 @@ use super::stackmap::StackmapRegistry;
use crate::{
intrinsics::Intrinsics,
structs::{Callbacks, LLVMModule, LLVMResult, MemProtect},
LLVMCallbacks,
};
use inkwell::{
memory_buffer::MemoryBuffer,
@ -13,8 +14,6 @@ use std::{
any::Any,
cell::RefCell,
ffi::{c_void, CString},
fs::File,
io::Write,
mem,
ops::Deref,
ptr::{self, NonNull},
@ -176,23 +175,22 @@ impl LLVMBackend {
_stackmaps: &StackmapRegistry,
_module_info: &ModuleInfo,
target_machine: &TargetMachine,
llvm_callbacks: &Option<Rc<RefCell<dyn LLVMCallbacks>>>,
) -> (Self, LLVMCache) {
let memory_buffer = target_machine
.write_to_memory_buffer(&module.borrow_mut(), FileType::Object)
.unwrap();
let mem_buf_slice = memory_buffer.as_slice();
if let Some(path) = unsafe { &crate::GLOBAL_OPTIONS.obj_file } {
let mut file = File::create(path).unwrap();
let mut pos = 0;
while pos < mem_buf_slice.len() {
pos += file.write(&mem_buf_slice[pos..]).unwrap();
}
if let Some(callbacks) = llvm_callbacks {
callbacks
.borrow_mut()
.obj_memory_buffer_callback(&memory_buffer);
}
let callbacks = get_callbacks();
let mut module: *mut LLVMModule = ptr::null_mut();
let mem_buf_slice = memory_buffer.as_slice();
let res = unsafe {
module_load(
mem_buf_slice.as_ptr(),