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nac3artiq: refactor compile methods 

Avoids writing relocatable object to a file when linking with nac3ld.
This commit is contained in:
occheung 2022-05-31 15:12:18 +08:00
parent ac560ba985
commit 7cb9be0f81
1 changed files with 317 additions and 250 deletions
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565
nac3artiq/src/lib.rs
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@ -7,7 +7,7 @@ use std::sync::Arc;
use inkwell::{
memory_buffer::MemoryBuffer,
module::Linkage,
module::{Linkage, Module},
passes::{PassManager, PassManagerBuilder},
targets::*,
OptimizationLevel,
@ -266,213 +266,16 @@ impl Nac3 {
}
None
}
}
fn add_exceptions(
composer: &mut TopLevelComposer,
builtin_def: &mut HashMap<StrRef, DefinitionId>,
builtin_ty: &mut HashMap<StrRef, Type>,
error_names: &[&str]
) -> Vec<Type> {
let mut types = Vec::new();
// note: this is only for builtin exceptions, i.e. the exception name is "0:{exn}"
for name in error_names {
let def_id = composer.definition_ast_list.len();
let (exception_fn, exception_class, exception_cons, exception_type) = get_exn_constructor(
name,
// class id
def_id,
// constructor id
def_id + 1,
&mut composer.unifier,
&composer.primitives_ty
);
composer.definition_ast_list.push((Arc::new(RwLock::new(exception_class)), None));
composer.definition_ast_list.push((Arc::new(RwLock::new(exception_fn)), None));
builtin_ty.insert((*name).into(), exception_cons);
builtin_def.insert((*name).into(), DefinitionId(def_id));
types.push(exception_type);
}
types
}
#[pymethods]
impl Nac3 {
#[new]
fn new(isa: &str, py: Python) -> PyResult<Self> {
let isa = match isa {
"host" => Isa::Host,
"rv32g" => Isa::RiscV32G,
"rv32ima" => Isa::RiscV32IMA,
"cortexa9" => Isa::CortexA9,
_ => return Err(exceptions::PyValueError::new_err("invalid ISA")),
};
let time_fns: &(dyn TimeFns + Sync) = match isa {
Isa::Host => &timeline::EXTERN_TIME_FNS,
Isa::RiscV32G => &timeline::NOW_PINNING_TIME_FNS_64,
Isa::RiscV32IMA => &timeline::NOW_PINNING_TIME_FNS,
Isa::CortexA9 => &timeline::EXTERN_TIME_FNS,
};
let primitive: PrimitiveStore = TopLevelComposer::make_primitives().0;
let builtins = vec![
(
"now_mu".into(),
FunSignature { args: vec![], ret: primitive.int64, vars: HashMap::new() },
Arc::new(GenCall::new(Box::new(move |ctx, _, _, _, _| {
Ok(Some(time_fns.emit_now_mu(ctx)))
}))),
),
(
"at_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "t".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(move |ctx, _, fun, args, generator| {
let arg_ty = fun.0.args[0].ty;
let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty).unwrap();
time_fns.emit_at_mu(ctx, arg);
Ok(None)
}))),
),
(
"delay_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "dt".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(move |ctx, _, fun, args, generator| {
let arg_ty = fun.0.args[0].ty;
let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty).unwrap();
time_fns.emit_delay_mu(ctx, arg);
Ok(None)
}))),
),
];
let builtins_mod = PyModule::import(py, "builtins").unwrap();
let id_fn = builtins_mod.getattr("id").unwrap();
let numpy_mod = PyModule::import(py, "numpy").unwrap();
let typing_mod = PyModule::import(py, "typing").unwrap();
let types_mod = PyModule::import(py, "types").unwrap();
let get_id = |x| id_fn.call1((x,)).unwrap().extract().unwrap();
let get_attr_id = |obj: &PyModule, attr| id_fn.call1((obj.getattr(attr).unwrap(),))
.unwrap().extract().unwrap();
let primitive_ids = PrimitivePythonId {
virtual_id: get_id(
builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("virtual")
.unwrap(
)),
generic_alias: (
get_attr_id(typing_mod, "_GenericAlias"),
get_attr_id(types_mod, "GenericAlias"),
),
none: id_fn
.call1((builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("none")
.unwrap(),))
.unwrap()
.extract()
.unwrap(),
typevar: get_attr_id(typing_mod, "TypeVar"),
int: get_attr_id(builtins_mod, "int"),
int32: get_attr_id(numpy_mod, "int32"),
int64: get_attr_id(numpy_mod, "int64"),
uint32: get_attr_id(numpy_mod, "uint32"),
uint64: get_attr_id(numpy_mod, "uint64"),
bool: get_attr_id(builtins_mod, "bool"),
float: get_attr_id(builtins_mod, "float"),
float64: get_attr_id(numpy_mod, "float64"),
list: get_attr_id(builtins_mod, "list"),
tuple: get_attr_id(builtins_mod, "tuple"),
exception: get_attr_id(builtins_mod, "Exception"),
option: id_fn
.call1((builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("Option")
.unwrap(),))
.unwrap()
.extract()
.unwrap(),
};
let working_directory = tempfile::Builder::new().prefix("nac3-").tempdir().unwrap();
fs::write(working_directory.path().join("kernel.ld"), include_bytes!("kernel.ld")).unwrap();
Ok(Nac3 {
isa,
time_fns,
primitive,
builtins,
primitive_ids,
top_levels: Default::default(),
pyid_to_def: Default::default(),
working_directory,
string_store: Default::default(),
exception_ids: Default::default(),
deferred_eval_store: DeferredEvaluationStore::new(),
})
}
fn analyze(&mut self, functions: &PySet, classes: &PySet) -> PyResult<()> {
let (modules, class_ids) =
Python::with_gil(|py| -> PyResult<(HashMap<u64, PyObject>, HashSet<u64>)> {
let mut modules: HashMap<u64, PyObject> = HashMap::new();
let mut class_ids: HashSet<u64> = HashSet::new();
let id_fn = PyModule::import(py, "builtins")?.getattr("id")?;
let getmodule_fn = PyModule::import(py, "inspect")?.getattr("getmodule")?;
for function in functions.iter() {
let module = getmodule_fn.call1((function,))?.extract()?;
modules.insert(id_fn.call1((&module,))?.extract()?, module);
}
for class in classes.iter() {
let module = getmodule_fn.call1((class,))?.extract()?;
modules.insert(id_fn.call1((&module,))?.extract()?, module);
class_ids.insert(id_fn.call1((class,))?.extract()?);
}
Ok((modules, class_ids))
})?;
for module in modules.into_values() {
self.register_module(module, &class_ids)?;
}
Ok(())
}
fn compile_method_to_file(
&mut self,
fn compile_method<T>(
&self,
obj: &PyAny,
method_name: &str,
args: Vec<&PyAny>,
filename: &str,
embedding_map: &PyAny,
py: Python,
) -> PyResult<()> {
link_fn: &dyn Fn(&Module) -> PyResult<T>,
) -> PyResult<T> {
let (mut composer, mut builtins_def, mut builtins_ty) = TopLevelComposer::new(
self.builtins.clone(),
ComposerConfig { kernel_ann: Some("Kernel"), kernel_invariant_ann: "KernelInvariant" },
@ -759,8 +562,6 @@ impl Nac3 {
calls: Arc::new(Default::default()),
id: 0,
};
let isa = self.isa;
let working_directory = self.working_directory.path().to_owned();
let membuffers: Arc<Mutex<Vec<Vec<u8>>>> = Default::default();
@ -846,7 +647,13 @@ impl Nac3 {
builder.populate_module_pass_manager(&passes);
passes.run_on(&main);
let (triple, features) = match isa {
link_fn(&main)
}
fn get_llvm_target_machine(
&self,
) -> TargetMachine {
let (triple, features) = match self.isa {
Isa::Host => (
TargetMachine::get_default_triple(),
TargetMachine::get_host_cpu_features().to_string(),
@ -862,7 +669,7 @@ impl Nac3 {
};
let target =
Target::from_triple(&triple).expect("couldn't create target from target triple");
let target_machine = target
target
.create_target_machine(
&triple,
"",
@ -871,52 +678,282 @@ impl Nac3 {
RelocMode::PIC,
CodeModel::Default,
)
.expect("couldn't create target machine");
.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 linker_args = vec![
"-shared".to_string(),
"--eh-frame-hdr".to_string(),
"-x".to_string(),
"-o".to_string(),
filename.to_string(),
working_directory.join("module.o").to_string_lossy().to_string(),
];
fn link_with_lld(
elf_filename: String,
obj_filename: String,
) -> PyResult<()>{
let linker_args = vec![
"-shared".to_string(),
"--eh-frame-hdr".to_string(),
"-x".to_string(),
"-o".to_string(),
elf_filename,
obj_filename,
];
#[cfg(not(windows))]
let lld_command = "ld.lld";
#[cfg(windows)]
let lld_command = "ld.lld.exe";
if let Ok(linker_status) = Command::new(lld_command).args(linker_args).status() {
if !linker_status.success() {
return Err(CompileError::new_err("failed to start linker"));
}
} else {
return Err(CompileError::new_err(
"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"));
}
#[cfg(not(windows))]
let lld_command = "ld.lld";
#[cfg(windows)]
let lld_command = "ld.lld.exe";
if let Ok(linker_status) = Command::new(lld_command).args(linker_args).status() {
if !linker_status.success() {
return Err(CompileError::new_err("failed to start linker"));
}
} else {
return Err(CompileError::new_err(
"linker returned non-zero status code",
));
}
Ok(())
}
fn add_exceptions(
composer: &mut TopLevelComposer,
builtin_def: &mut HashMap<StrRef, DefinitionId>,
builtin_ty: &mut HashMap<StrRef, Type>,
error_names: &[&str]
) -> Vec<Type> {
let mut types = Vec::new();
// note: this is only for builtin exceptions, i.e. the exception name is "0:{exn}"
for name in error_names {
let def_id = composer.definition_ast_list.len();
let (exception_fn, exception_class, exception_cons, exception_type) = get_exn_constructor(
name,
// class id
def_id,
// constructor id
def_id + 1,
&mut composer.unifier,
&composer.primitives_ty
);
composer.definition_ast_list.push((Arc::new(RwLock::new(exception_class)), None));
composer.definition_ast_list.push((Arc::new(RwLock::new(exception_fn)), None));
builtin_ty.insert((*name).into(), exception_cons);
builtin_def.insert((*name).into(), DefinitionId(def_id));
types.push(exception_type);
}
types
}
#[pymethods]
impl Nac3 {
#[new]
fn new(isa: &str, py: Python) -> PyResult<Self> {
let isa = match isa {
"host" => Isa::Host,
"rv32g" => Isa::RiscV32G,
"rv32ima" => Isa::RiscV32IMA,
"cortexa9" => Isa::CortexA9,
_ => return Err(exceptions::PyValueError::new_err("invalid ISA")),
};
let time_fns: &(dyn TimeFns + Sync) = match isa {
Isa::Host => &timeline::EXTERN_TIME_FNS,
Isa::RiscV32G => &timeline::NOW_PINNING_TIME_FNS_64,
Isa::RiscV32IMA => &timeline::NOW_PINNING_TIME_FNS,
Isa::CortexA9 => &timeline::EXTERN_TIME_FNS,
};
let primitive: PrimitiveStore = TopLevelComposer::make_primitives().0;
let builtins = vec![
(
"now_mu".into(),
FunSignature { args: vec![], ret: primitive.int64, vars: HashMap::new() },
Arc::new(GenCall::new(Box::new(move |ctx, _, _, _, _| {
Ok(Some(time_fns.emit_now_mu(ctx)))
}))),
),
(
"at_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "t".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(move |ctx, _, fun, args, generator| {
let arg_ty = fun.0.args[0].ty;
let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty).unwrap();
time_fns.emit_at_mu(ctx, arg);
Ok(None)
}))),
),
(
"delay_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "dt".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(move |ctx, _, fun, args, generator| {
let arg_ty = fun.0.args[0].ty;
let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty).unwrap();
time_fns.emit_delay_mu(ctx, arg);
Ok(None)
}))),
),
];
let builtins_mod = PyModule::import(py, "builtins").unwrap();
let id_fn = builtins_mod.getattr("id").unwrap();
let numpy_mod = PyModule::import(py, "numpy").unwrap();
let typing_mod = PyModule::import(py, "typing").unwrap();
let types_mod = PyModule::import(py, "types").unwrap();
let get_id = |x| id_fn.call1((x,)).unwrap().extract().unwrap();
let get_attr_id = |obj: &PyModule, attr| id_fn.call1((obj.getattr(attr).unwrap(),))
.unwrap().extract().unwrap();
let primitive_ids = PrimitivePythonId {
virtual_id: get_id(
builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("virtual")
.unwrap(
)),
generic_alias: (
get_attr_id(typing_mod, "_GenericAlias"),
get_attr_id(types_mod, "GenericAlias"),
),
none: id_fn
.call1((builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("none")
.unwrap(),))
.unwrap()
.extract()
.unwrap(),
typevar: get_attr_id(typing_mod, "TypeVar"),
int: get_attr_id(builtins_mod, "int"),
int32: get_attr_id(numpy_mod, "int32"),
int64: get_attr_id(numpy_mod, "int64"),
uint32: get_attr_id(numpy_mod, "uint32"),
uint64: get_attr_id(numpy_mod, "uint64"),
bool: get_attr_id(builtins_mod, "bool"),
float: get_attr_id(builtins_mod, "float"),
float64: get_attr_id(numpy_mod, "float64"),
list: get_attr_id(builtins_mod, "list"),
tuple: get_attr_id(builtins_mod, "tuple"),
exception: get_attr_id(builtins_mod, "Exception"),
option: id_fn
.call1((builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("Option")
.unwrap(),))
.unwrap()
.extract()
.unwrap(),
};
let working_directory = tempfile::Builder::new().prefix("nac3-").tempdir().unwrap();
fs::write(working_directory.path().join("kernel.ld"), include_bytes!("kernel.ld")).unwrap();
Ok(Nac3 {
isa,
time_fns,
primitive,
builtins,
primitive_ids,
top_levels: Default::default(),
pyid_to_def: Default::default(),
working_directory,
string_store: Default::default(),
exception_ids: Default::default(),
deferred_eval_store: DeferredEvaluationStore::new(),
})
}
fn analyze(&mut self, functions: &PySet, classes: &PySet) -> PyResult<()> {
let (modules, class_ids) =
Python::with_gil(|py| -> PyResult<(HashMap<u64, PyObject>, HashSet<u64>)> {
let mut modules: HashMap<u64, PyObject> = HashMap::new();
let mut class_ids: HashSet<u64> = HashSet::new();
let id_fn = PyModule::import(py, "builtins")?.getattr("id")?;
let getmodule_fn = PyModule::import(py, "inspect")?.getattr("getmodule")?;
for function in functions.iter() {
let module = getmodule_fn.call1((function,))?.extract()?;
modules.insert(id_fn.call1((&module,))?.extract()?, module);
}
for class in classes.iter() {
let module = getmodule_fn.call1((class,))?.extract()?;
modules.insert(id_fn.call1((&module,))?.extract()?, module);
class_ids.insert(id_fn.call1((class,))?.extract()?);
}
Ok((modules, class_ids))
})?;
for module in modules.into_values() {
self.register_module(module, &class_ids)?;
}
Ok(())
}
fn compile_method_to_file(
&mut self,
obj: &PyAny,
method_name: &str,
args: Vec<&PyAny>,
filename: &str,
embedding_map: &PyAny,
py: Python,
) -> PyResult<()> {
let target_machine = self.get_llvm_target_machine();
if self.isa == Isa::Host {
let link_fn = |module: &Module| {
let working_directory = self.working_directory.path().to_owned();
target_machine
.write_to_file(module, FileType::Object, &working_directory.join("module.o"))
.expect("couldn't write module to file");
link_with_lld(
filename.to_string(),
working_directory.join("module.o").to_string_lossy().to_string()
)?;
Ok(())
};
self.compile_method(obj, method_name, args, embedding_map, py, &link_fn)
} else {
let link_fn = |module: &Module| {
let object_mem = target_machine
.write_to_memory_buffer(module, 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");
Ok(())
} else {
Err(CompileError::new_err("failed to create file"))
}
} else {
Err(CompileError::new_err("linker failed to process object file"))
}
};
self.compile_method(obj, method_name, args, embedding_map, py, &link_fn)
}
}
fn compile_method_to_mem(
&mut self,
obj: &PyAny,
@ -925,10 +962,40 @@ impl Nac3 {
embedding_map: &PyAny,
py: Python,
) -> PyResult<PyObject> {
let filename_path = self.working_directory.path().join("module.elf");
let filename = filename_path.to_str().unwrap();
self.compile_method_to_file(obj, method_name, args, filename, embedding_map, py)?;
Ok(PyBytes::new(py, &fs::read(filename).unwrap()).into())
let target_machine = self.get_llvm_target_machine();
if self.isa == Isa::Host {
let link_fn = |module: &Module| {
let working_directory = self.working_directory.path().to_owned();
target_machine
.write_to_file(&module, FileType::Object, &working_directory.join("module.o"))
.expect("couldn't write module to file");
let filename_path = self.working_directory.path().join("module.elf");
let filename = filename_path.to_str().unwrap();
link_with_lld(
filename.to_string(),
working_directory.join("module.o").to_string_lossy().to_string()
)?;
Ok(PyBytes::new(py, &fs::read(filename).unwrap()).into())
};
self.compile_method(obj, method_name, args, embedding_map, py, &link_fn)
} else {
let link_fn = |module: &Module| {
let object_mem = target_machine
.write_to_memory_buffer(&module, FileType::Object)
.expect("couldn't write module to object file buffer");
if let Ok(dyn_lib) = Linker::ld(object_mem.as_slice()) {
Ok(PyBytes::new(py, &dyn_lib).into())
} else {
Err(CompileError::new_err("linker failed to process object file"))
}
};
self.compile_method(obj, method_name, args, embedding_map, py, &link_fn)
}
}
}