Merge pull request rust-lang#1093 from bjorn3/use_new_module_interface

Use the new cranelift-module interface

Author: bjorn3

Cargo.lock

@@ -15,7 +15,7 @@ cranelift-module = { git = "https://github.com/bytecodealliance/wasmtime/", bran
 cranelift-simplejit = { git = "https://github.com/bytecodealliance/wasmtime/", branch = "main", optional = true }
 cranelift-object = { git = "https://github.com/bytecodealliance/wasmtime/", branch = "main" }
 target-lexicon = "0.11.0"
-gimli = { version = "0.21.0", default-features = false, features = ["write"]}
+gimli = { version = "0.22.0", default-features = false, features = ["write"]}
 object = { version = "0.21.1", default-features = false, features = ["std", "read_core", "write", "coff", "elf", "macho", "pe"] }
 
 ar = { git = "https://github.com/bjorn3/rust-ar.git", branch = "do_not_remove_cg_clif_ranlib" }

Cargo.toml

@@ -10,14 +10,14 @@ use cranelift_codegen::entity::EntityRef;
 use crate::abi::pass_mode::*;
 use crate::prelude::*;
 
-pub(super) fn add_args_header_comment(fx: &mut FunctionCx<'_, '_, impl Backend>) {
+pub(super) fn add_args_header_comment(fx: &mut FunctionCx<'_, '_, impl Module>) {
     fx.add_global_comment(format!(
         "kind  loc.idx   param    pass mode                            ty"
     ));
 }
 
 pub(super) fn add_arg_comment<'tcx>(
-    fx: &mut FunctionCx<'_, 'tcx, impl Backend>,
+    fx: &mut FunctionCx<'_, 'tcx, impl Module>,
     kind: &str,
     local: Option<mir::Local>,
     local_field: Option<usize>,
@@ -54,15 +54,15 @@ pub(super) fn add_arg_comment<'tcx>(
     ));
 }
 
-pub(super) fn add_locals_header_comment(fx: &mut FunctionCx<'_, '_, impl Backend>) {
+pub(super) fn add_locals_header_comment(fx: &mut FunctionCx<'_, '_, impl Module>) {
     fx.add_global_comment(String::new());
     fx.add_global_comment(format!(
         "kind  local ty                              size align (abi,pref)"
     ));
 }
 
 pub(super) fn add_local_place_comments<'tcx>(
-    fx: &mut FunctionCx<'_, 'tcx, impl Backend>,
+    fx: &mut FunctionCx<'_, 'tcx, impl Module>,
     place: CPlace<'tcx>,
     local: Local,
 ) {

src/abi/comments.rs

@@ -238,7 +238,7 @@ pub(crate) fn get_function_name_and_sig<'tcx>(
 /// Instance must be monomorphized
 pub(crate) fn import_function<'tcx>(
     tcx: TyCtxt<'tcx>,
-    module: &mut Module<impl Backend>,
+    module: &mut impl Module,
     inst: Instance<'tcx>,
 ) -> FuncId {
     let (name, sig) = get_function_name_and_sig(tcx, module.isa().triple(), inst, true);
@@ -247,7 +247,7 @@ pub(crate) fn import_function<'tcx>(
         .unwrap()
 }
 
-impl<'tcx, B: Backend + 'static> FunctionCx<'_, 'tcx, B> {
+impl<'tcx, M: Module> FunctionCx<'_, 'tcx, M> {
     /// Instance must be monomorphized
     pub(crate) fn get_function_ref(&mut self, inst: Instance<'tcx>) -> FuncRef {
         let func_id = import_function(self.tcx, &mut self.cx.module, inst);
@@ -329,7 +329,7 @@ impl<'tcx, B: Backend + 'static> FunctionCx<'_, 'tcx, B> {
 
 /// Make a [`CPlace`] capable of holding value of the specified type.
 fn make_local_place<'tcx>(
-    fx: &mut FunctionCx<'_, 'tcx, impl Backend>,
+    fx: &mut FunctionCx<'_, 'tcx, impl Module>,
     local: Local,
     layout: TyAndLayout<'tcx>,
     is_ssa: bool,
@@ -351,7 +351,7 @@ fn make_local_place<'tcx>(
 }
 
 pub(crate) fn codegen_fn_prelude<'tcx>(
-    fx: &mut FunctionCx<'_, 'tcx, impl Backend>,
+    fx: &mut FunctionCx<'_, 'tcx, impl Module>,
     start_block: Block,
 ) {
     let ssa_analyzed = crate::analyze::analyze(fx);
@@ -488,7 +488,7 @@ pub(crate) fn codegen_fn_prelude<'tcx>(
 }
 
 pub(crate) fn codegen_terminator_call<'tcx>(
-    fx: &mut FunctionCx<'_, 'tcx, impl Backend>,
+    fx: &mut FunctionCx<'_, 'tcx, impl Module>,
     span: Span,
     current_block: Block,
     func: &Operand<'tcx>,
@@ -701,7 +701,7 @@ pub(crate) fn codegen_terminator_call<'tcx>(
 }
 
 pub(crate) fn codegen_drop<'tcx>(
-    fx: &mut FunctionCx<'_, 'tcx, impl Backend>,
+    fx: &mut FunctionCx<'_, 'tcx, impl Module>,
     span: Span,
     drop_place: CPlace<'tcx>,
 ) {

src/abi/mod.rs

@@ -122,7 +122,7 @@ pub(super) fn get_pass_mode<'tcx>(tcx: TyCtxt<'tcx>, layout: TyAndLayout<'tcx>)
 
 /// Get a set of values to be passed as function arguments.
 pub(super) fn adjust_arg_for_abi<'tcx>(
-    fx: &mut FunctionCx<'_, 'tcx, impl Backend>,
+    fx: &mut FunctionCx<'_, 'tcx, impl Module>,
     arg: CValue<'tcx>,
 ) -> EmptySinglePair<Value> {
     match get_pass_mode(fx.tcx, arg.layout()) {
@@ -142,7 +142,7 @@ pub(super) fn adjust_arg_for_abi<'tcx>(
 /// Create a [`CValue`] containing the value of a function parameter adding clif function parameters
 /// as necessary.
 pub(super) fn cvalue_for_param<'tcx>(
-    fx: &mut FunctionCx<'_, 'tcx, impl Backend>,
+    fx: &mut FunctionCx<'_, 'tcx, impl Module>,
     start_block: Block,
     #[cfg_attr(not(debug_assertions), allow(unused_variables))] local: Option<mir::Local>,
     #[cfg_attr(not(debug_assertions), allow(unused_variables))] local_field: Option<usize>,

src/abi/pass_mode.rs

@@ -3,7 +3,7 @@
 use crate::abi::pass_mode::*;
 use crate::prelude::*;
 
-fn return_layout<'a, 'tcx>(fx: &mut FunctionCx<'a, 'tcx, impl Backend>) -> TyAndLayout<'tcx> {
+fn return_layout<'a, 'tcx>(fx: &mut FunctionCx<'a, 'tcx, impl Module>) -> TyAndLayout<'tcx> {
     fx.layout_of(fx.monomorphize(&fx.mir.local_decls[RETURN_PLACE].ty))
 }
 
@@ -22,7 +22,7 @@ pub(crate) fn can_return_to_ssa_var<'tcx>(
 /// Return a place where the return value of the current function can be written to. If necessary
 /// this adds an extra parameter pointing to where the return value needs to be stored.
 pub(super) fn codegen_return_param<'tcx>(
-    fx: &mut FunctionCx<'_, 'tcx, impl Backend>,
+    fx: &mut FunctionCx<'_, 'tcx, impl Module>,
     ssa_analyzed: &rustc_index::vec::IndexVec<Local, crate::analyze::SsaKind>,
     start_block: Block,
 ) -> CPlace<'tcx> {
@@ -66,11 +66,11 @@ pub(super) fn codegen_return_param<'tcx>(
 
 /// Invokes the closure with if necessary a value representing the return pointer. When the closure
 /// returns the call return value(s) if any are written to the correct place.
-pub(super) fn codegen_with_call_return_arg<'tcx, B: Backend, T>(
-    fx: &mut FunctionCx<'_, 'tcx, B>,
+pub(super) fn codegen_with_call_return_arg<'tcx, M: Module, T>(
+    fx: &mut FunctionCx<'_, 'tcx, M>,
     fn_sig: FnSig<'tcx>,
     ret_place: Option<CPlace<'tcx>>,
-    f: impl FnOnce(&mut FunctionCx<'_, 'tcx, B>, Option<Value>) -> (Inst, T),
+    f: impl FnOnce(&mut FunctionCx<'_, 'tcx, M>, Option<Value>) -> (Inst, T),
 ) -> (Inst, T) {
     let ret_layout = fx.layout_of(fn_sig.output());
 
@@ -110,7 +110,7 @@ pub(super) fn codegen_with_call_return_arg<'tcx, B: Backend, T>(
 }
 
 /// Codegen a return instruction with the right return value(s) if any.
-pub(crate) fn codegen_return(fx: &mut FunctionCx<'_, '_, impl Backend>) {
+pub(crate) fn codegen_return(fx: &mut FunctionCx<'_, '_, impl Module>) {
     match get_pass_mode(fx.tcx, return_layout(fx)) {
         PassMode::NoPass | PassMode::ByRef { size: Some(_) } => {
             fx.bcx.ins().return_(&[]);

src/abi/returning.rs

@@ -9,7 +9,7 @@ use rustc_span::symbol::sym;
 /// Returns whether an allocator shim was created
 pub(crate) fn codegen(
     tcx: TyCtxt<'_>,
-    module: &mut Module<impl Backend + 'static>,
+    module: &mut impl Module,
     unwind_context: &mut UnwindContext<'_>,
 ) -> bool {
     let any_dynamic_crate = tcx.dependency_formats(LOCAL_CRATE).iter().any(|(_, list)| {
@@ -27,7 +27,7 @@ pub(crate) fn codegen(
 }
 
 fn codegen_inner(
-    module: &mut Module<impl Backend + 'static>,
+    module: &mut impl Module,
     unwind_context: &mut UnwindContext<'_>,
     kind: AllocatorKind,
 ) {

src/allocator.rs

@@ -11,7 +11,7 @@ pub(crate) enum SsaKind {
     Ssa,
 }
 
-pub(crate) fn analyze(fx: &FunctionCx<'_, '_, impl Backend>) -> IndexVec<Local, SsaKind> {
+pub(crate) fn analyze(fx: &FunctionCx<'_, '_, impl Module>) -> IndexVec<Local, SsaKind> {
     let mut flag_map = fx
         .mir
         .local_decls

src/analyze.rs

@@ -11,7 +11,7 @@ pub static mut __cg_clif_global_atomic_mutex: libc::pthread_mutex_t =
     libc::PTHREAD_MUTEX_INITIALIZER;
 
 pub(crate) fn init_global_lock(
-    module: &mut Module<impl Backend>,
+    module: &mut impl Module,
     bcx: &mut FunctionBuilder<'_>,
     use_jit: bool,
 ) {
@@ -24,13 +24,13 @@ pub(crate) fn init_global_lock(
 
     let mut data_ctx = DataContext::new();
     data_ctx.define_zeroinit(1024); // 1024 bytes should be big enough on all platforms.
+    data_ctx.set_align(16);
     let atomic_mutex = module
         .declare_data(
             "__cg_clif_global_atomic_mutex",
             Linkage::Export,
             true,
             false,
-            Some(16),
         )
         .unwrap();
     module.define_data(atomic_mutex, &data_ctx).unwrap();
@@ -67,7 +67,7 @@ pub(crate) fn init_global_lock(
 }
 
 pub(crate) fn init_global_lock_constructor(
-    module: &mut Module<impl Backend>,
+    module: &mut impl Module,
     constructor_name: &str,
 ) -> FuncId {
     let sig = Signature::new(CallConv::SystemV);
@@ -101,7 +101,7 @@ pub(crate) fn init_global_lock_constructor(
     init_func_id
 }
 
-pub(crate) fn lock_global_lock(fx: &mut FunctionCx<'_, '_, impl Backend>) {
+pub(crate) fn lock_global_lock(fx: &mut FunctionCx<'_, '_, impl Module>) {
     let atomic_mutex = fx
         .cx
         .module
@@ -110,7 +110,6 @@ pub(crate) fn lock_global_lock(fx: &mut FunctionCx<'_, '_, impl Backend>) {
             Linkage::Import,
             true,
             false,
-            None,
         )
         .unwrap();
 
@@ -144,7 +143,7 @@ pub(crate) fn lock_global_lock(fx: &mut FunctionCx<'_, '_, impl Backend>) {
     fx.bcx.ins().call(pthread_mutex_lock, &[atomic_mutex]);
 }
 
-pub(crate) fn unlock_global_lock(fx: &mut FunctionCx<'_, '_, impl Backend>) {
+pub(crate) fn unlock_global_lock(fx: &mut FunctionCx<'_, '_, impl Module>) {
     let atomic_mutex = fx
         .cx
         .module
@@ -153,7 +152,6 @@ pub(crate) fn unlock_global_lock(fx: &mut FunctionCx<'_, '_, impl Backend>) {
             Linkage::Import,
             true,
             false,
-            None,
         )
         .unwrap();