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Allow a range of instruction offsets to be used in ip lookup.

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This commit is contained in:
losfair
2019-07-30 22:25:15 +08:00
parent efb5277d1d
commit 0a7f95ee06
4 changed files with 191 additions and 30 deletions
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29
lib/llvm-backend/src/backend.rs
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@ -12,13 +12,13 @@ use libc::{
};
use std::{
any::Any,
collections::BTreeMap,
ffi::{c_void, CString},
mem,
ops::Deref,
ptr::{self, NonNull},
slice, str,
sync::{Arc, Once},
collections::BTreeMap,
};
use wasmer_runtime_core::{
backend::{
@ -347,16 +347,31 @@ impl LLVMBackend {
map_records.insert(r.patchpoint_id as usize, r);
}
for (i, entry) in stackmaps.entries.iter().enumerate() {
if let Some(map_record) = map_records.get(&i) {
assert_eq!(i, map_record.patchpoint_id as usize);
let addr = local_func_id_to_addr[entry.local_function_id];
let size_record = *addr_to_size_record.get(&addr).expect("size_record not found");
entry.populate_msm(
for ((start_id, start_entry), (end_id, end_entry)) in stackmaps
.entries
.iter()
.enumerate()
.step_by(2)
.zip(stackmaps.entries.iter().enumerate().skip(1).step_by(2))
{
if let Some(map_record) = map_records.get(&start_id) {
assert_eq!(start_id, map_record.patchpoint_id as usize);
assert!(start_entry.is_start);
assert!(!end_entry.is_start);
let end_record = map_records.get(&end_id);
let addr = local_func_id_to_addr[start_entry.local_function_id];
let size_record = *addr_to_size_record
.get(&addr)
.expect("size_record not found");
start_entry.populate_msm(
code_ptr as usize,
&map,
size_record,
map_record,
end_record.map(|x| (end_entry, *x)),
&mut msm,
);
} else {