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Add support for libcalls as relocation targets.

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This commit is contained in:
Nick Lewycky
2020-04-30 20:54:29 -07:00
parent 91fb0fa70a
commit b5d9b448ae
1 changed files with 17 additions and 1 deletions
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18
lib/compiler-llvm/src/translator/code.rs
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@ -30,6 +30,7 @@ use inkwell::{
};
use smallvec::SmallVec;
use std::any::Any;
use std::collections::HashMap;
use crate::config::LLVMConfig;
use wasm_common::entity::{EntityRef, PrimaryMap, SecondaryMap};
@ -45,7 +46,7 @@ use wasmer_compiler::{
RelocationTarget, SourceLoc,
};
use wasmer_runtime::Module as WasmerCompilerModule;
use wasmer_runtime::{MemoryPlan, MemoryStyle, TablePlan};
use wasmer_runtime::{libcalls::LibCall, MemoryPlan, MemoryStyle, TablePlan};
// TODO: debugging
use std::fs;
@ -200,6 +201,17 @@ impl FuncTranslator {
fcg.translate_operator(op, wasm_module, pos)?;
}
// TODO: use phf?
let mut libcalls = HashMap::new();
libcalls.insert("truncf".to_string(), LibCall::TruncF32);
libcalls.insert("trunc".to_string(), LibCall::TruncF64);
libcalls.insert("ceilf".to_string(), LibCall::CeilF32);
libcalls.insert("ceil".to_string(), LibCall::CeilF64);
libcalls.insert("floorf".to_string(), LibCall::FloorF32);
libcalls.insert("floor".to_string(), LibCall::FloorF64);
libcalls.insert("nearbyintf".to_string(), LibCall::NearestF32);
libcalls.insert("nearbyint".to_string(), LibCall::NearestF64);
let results = fcg.state.popn_save_extra(wasm_fn_type.results().len())?;
match results.as_slice() {
[] => {
@ -317,6 +329,10 @@ impl FuncTranslator {
func_names.iter().find(|(_, name)| *name == target)
{
reloc_target = Some(RelocationTarget::UserFunc(index));
} else {
if let Some(libcall) = libcalls.get(&target.to_string()) {
reloc_target = Some(RelocationTarget::LibCall(*libcall));
}
}
}
if reloc_target.is_none() {