nac3artiq: switch ld.lld to nac3ld for non-host target

Cargo.lock

@@ -489,6 +489,7 @@ version = "0.1.0"
 dependencies = [
  "inkwell",
  "nac3core",
+ "nac3ld",
  "nac3parser",
  "parking_lot 0.11.2",
  "pyo3",

nac3artiq/Cargo.toml

@@ -14,6 +14,7 @@ parking_lot = "0.11"
 tempfile = "3"
 nac3parser = { path = "../nac3parser" }
 nac3core = { path = "../nac3core" }
+nac3ld = { path = "../nac3ld" }
 
 [dependencies.inkwell]
 git = "https://github.com/TheDan64/inkwell.git"

nac3artiq/src/lib.rs

@@ -1,5 +1,6 @@
 use std::collections::{HashMap, HashSet};
 use std::fs;
+use std::io::Write;
 use std::process::Command;
 use std::rc::Rc;
 use std::sync::Arc;
@@ -36,6 +37,8 @@ use nac3core::{
     typecheck::{type_inferencer::PrimitiveStore, typedef::Type},
 };
 
+use nac3ld::Linker;
+
 use tempfile::{self, TempDir};
 
 use crate::codegen::attributes_writeback;
@@ -854,7 +857,7 @@ impl Nac3 {
             Isa::RiscV32IMA => (TargetTriple::create("riscv32-unknown-linux"), "+a,+m".to_string()),
             Isa::CortexA9 => (
                 TargetTriple::create("armv7-unknown-linux-gnueabihf"),
-                "+dsp,+fp16,+neon,+vfp3".to_string(),
+                "+dsp,+fp16,+neon,+vfp3,+long-calls".to_string(),
             ),
         };
         let target =
@@ -869,11 +872,12 @@ impl Nac3 {
                 CodeModel::Default,
             )
             .expect("couldn't create target machine");
+        
+        if isa == Isa::Host {
             target_machine
                 .write_to_file(&main, FileType::Object, &working_directory.join("module.o"))
                 .expect("couldn't write module to file");
-
-        let mut linker_args = vec![
+            let linker_args = vec![
                 "-shared".to_string(),
                 "--eh-frame-hdr".to_string(),
                 "-x".to_string(),
@@ -881,12 +885,6 @@ impl Nac3 {
                 filename.to_string(),
                 working_directory.join("module.o").to_string_lossy().to_string(),
             ];
-        if isa != Isa::Host {
-            linker_args.push(
-                "-T".to_string()
-                    + self.working_directory.path().join("kernel.ld").to_str().unwrap(),
-            );
-        }
 
             #[cfg(not(windows))]
             let lld_command = "ld.lld";
@@ -901,6 +899,20 @@ impl Nac3 {
                     "linker returned non-zero status code",
                 ));
             }
+        } else {
+            let object_mem = target_machine
+                .write_to_memory_buffer(&main, FileType::Object)
+                .expect("couldn't write module to object file buffer");
+            if let Ok(dyn_lib) = Linker::ld(object_mem.as_slice()) {
+                if let Ok(mut file) = fs::File::create(filename) {
+                    file.write_all(&dyn_lib).expect("couldn't write linked library to file");
+                } else {
+                    return Err(CompileError::new_err("failed to create file"));
+                }
+            } else {
+                return Err(CompileError::new_err("linker failed to process object file"));
+            }
+        }
 
         Ok(())
     }