diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/src')
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/allocator.rs | 11 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/archive.rs | 177 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/builder.rs | 9 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/consts.rs | 31 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/context.rs | 9 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/debuginfo.rs | 57 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/declare.rs | 4 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/errors.rs | 21 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/lib.rs | 12 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/type_.rs | 48 |
10 files changed, 109 insertions, 270 deletions
diff --git a/compiler/rustc_codegen_gcc/src/allocator.rs b/compiler/rustc_codegen_gcc/src/allocator.rs index 58efb81e800..e2c9ffe9c1c 100644 --- a/compiler/rustc_codegen_gcc/src/allocator.rs +++ b/compiler/rustc_codegen_gcc/src/allocator.rs @@ -7,7 +7,7 @@ use rustc_span::symbol::sym; use crate::GccContext; -pub(crate) unsafe fn codegen(tcx: TyCtxt<'_>, mods: &mut GccContext, _module_name: &str, kind: AllocatorKind, has_alloc_error_handler: bool) { +pub(crate) unsafe fn codegen(tcx: TyCtxt<'_>, mods: &mut GccContext, _module_name: &str, kind: AllocatorKind, alloc_error_handler_kind: AllocatorKind) { let context = &mods.context; let usize = match tcx.sess.target.pointer_width { @@ -90,14 +90,7 @@ pub(crate) unsafe fn codegen(tcx: TyCtxt<'_>, mods: &mut GccContext, _module_nam .collect(); let func = context.new_function(None, FunctionType::Exported, void, &args, name, false); - let kind = - if has_alloc_error_handler { - AllocatorKind::Global - } - else { - AllocatorKind::Default - }; - let callee = kind.fn_name(sym::oom); + let callee = alloc_error_handler_kind.fn_name(sym::oom); let args: Vec<_> = types.iter().enumerate() .map(|(index, typ)| context.new_parameter(None, *typ, &format!("param{}", index))) .collect(); diff --git a/compiler/rustc_codegen_gcc/src/archive.rs b/compiler/rustc_codegen_gcc/src/archive.rs index f18ae7ea5e9..11fa074f5ac 100644 --- a/compiler/rustc_codegen_gcc/src/archive.rs +++ b/compiler/rustc_codegen_gcc/src/archive.rs @@ -1,44 +1,17 @@ -use std::fs::File; use std::path::{Path, PathBuf}; -use crate::errors::RanlibFailure; - -use rustc_codegen_ssa::back::archive::{ArchiveBuilder, ArchiveBuilderBuilder}; +use rustc_codegen_ssa::back::archive::{ + get_native_object_symbols, ArArchiveBuilder, ArchiveBuilder, ArchiveBuilderBuilder, +}; use rustc_session::Session; use rustc_session::cstore::DllImport; -struct ArchiveConfig<'a> { - sess: &'a Session, - use_native_ar: bool, - use_gnu_style_archive: bool, -} - -#[derive(Debug)] -enum ArchiveEntry { - FromArchive { - archive_index: usize, - entry_index: usize, - }, - File(PathBuf), -} - -pub struct ArArchiveBuilderBuilder; +pub(crate) struct ArArchiveBuilderBuilder; impl ArchiveBuilderBuilder for ArArchiveBuilderBuilder { fn new_archive_builder<'a>(&self, sess: &'a Session) -> Box<dyn ArchiveBuilder<'a> + 'a> { - let config = ArchiveConfig { - sess, - use_native_ar: false, - // FIXME test for linux and System V derivatives instead - use_gnu_style_archive: sess.target.options.archive_format == "gnu", - }; - - Box::new(ArArchiveBuilder { - config, - src_archives: vec![], - entries: vec![], - }) + Box::new(ArArchiveBuilder::new(sess, get_native_object_symbols)) } fn create_dll_import_lib( @@ -49,144 +22,6 @@ impl ArchiveBuilderBuilder for ArArchiveBuilderBuilder { _tmpdir: &Path, _is_direct_dependency: bool, ) -> PathBuf { - unimplemented!(); - } -} - -pub struct ArArchiveBuilder<'a> { - config: ArchiveConfig<'a>, - src_archives: Vec<(PathBuf, ar::Archive<File>)>, - // Don't use `HashMap` here, as the order is important. `rust.metadata.bin` must always be at - // the end of an archive for linkers to not get confused. - entries: Vec<(String, ArchiveEntry)>, -} - -impl<'a> ArchiveBuilder<'a> for ArArchiveBuilder<'a> { - fn add_file(&mut self, file: &Path) { - self.entries.push(( - file.file_name().unwrap().to_str().unwrap().to_string(), - ArchiveEntry::File(file.to_owned()), - )); - } - - fn add_archive( - &mut self, - archive_path: &Path, - mut skip: Box<dyn FnMut(&str) -> bool + 'static>, - ) -> std::io::Result<()> { - let mut archive = ar::Archive::new(std::fs::File::open(&archive_path)?); - let archive_index = self.src_archives.len(); - - let mut i = 0; - while let Some(entry) = archive.next_entry() { - let entry = entry?; - let file_name = String::from_utf8(entry.header().identifier().to_vec()) - .map_err(|err| std::io::Error::new(std::io::ErrorKind::InvalidData, err))?; - if !skip(&file_name) { - self.entries - .push((file_name, ArchiveEntry::FromArchive { archive_index, entry_index: i })); - } - i += 1; - } - - self.src_archives.push((archive_path.to_owned(), archive)); - Ok(()) - } - - fn build(mut self: Box<Self>, output: &Path) -> bool { - use std::process::Command; - - fn add_file_using_ar(archive: &Path, file: &Path) { - Command::new("ar") - .arg("r") // add or replace file - .arg("-c") // silence created file message - .arg(archive) - .arg(&file) - .status() - .unwrap(); - } - - enum BuilderKind<'a> { - Bsd(ar::Builder<File>), - Gnu(ar::GnuBuilder<File>), - NativeAr(&'a Path), - } - - let mut builder = if self.config.use_native_ar { - BuilderKind::NativeAr(output) - } else if self.config.use_gnu_style_archive { - BuilderKind::Gnu(ar::GnuBuilder::new( - File::create(output).unwrap(), - self.entries - .iter() - .map(|(name, _)| name.as_bytes().to_vec()) - .collect(), - )) - } else { - BuilderKind::Bsd(ar::Builder::new(File::create(output).unwrap())) - }; - - let any_members = !self.entries.is_empty(); - - // Add all files - for (entry_name, entry) in self.entries.into_iter() { - match entry { - ArchiveEntry::FromArchive { - archive_index, - entry_index, - } => { - let (ref src_archive_path, ref mut src_archive) = - self.src_archives[archive_index]; - let entry = src_archive.jump_to_entry(entry_index).unwrap(); - let header = entry.header().clone(); - - match builder { - BuilderKind::Bsd(ref mut builder) => { - builder.append(&header, entry).unwrap() - } - BuilderKind::Gnu(ref mut builder) => { - builder.append(&header, entry).unwrap() - } - BuilderKind::NativeAr(archive_file) => { - Command::new("ar") - .arg("x") - .arg(src_archive_path) - .arg(&entry_name) - .status() - .unwrap(); - add_file_using_ar(archive_file, Path::new(&entry_name)); - std::fs::remove_file(entry_name).unwrap(); - } - } - } - ArchiveEntry::File(file) => - match builder { - BuilderKind::Bsd(ref mut builder) => { - builder - .append_file(entry_name.as_bytes(), &mut File::open(file).expect("file for bsd builder")) - .unwrap() - }, - BuilderKind::Gnu(ref mut builder) => { - builder - .append_file(entry_name.as_bytes(), &mut File::open(&file).expect(&format!("file {:?} for gnu builder", file))) - .unwrap() - }, - BuilderKind::NativeAr(archive_file) => add_file_using_ar(archive_file, &file), - }, - } - } - - // Finalize archive - std::mem::drop(builder); - - // Run ranlib to be able to link the archive - let status = - std::process::Command::new("ranlib").arg(output).status().expect("Couldn't run ranlib"); - - if !status.success() { - self.config.sess.emit_fatal(RanlibFailure::new(status.code())); - } - - any_members + unimplemented!("creating dll imports is not yet supported"); } } diff --git a/compiler/rustc_codegen_gcc/src/builder.rs b/compiler/rustc_codegen_gcc/src/builder.rs index a314b7cc215..782f6856654 100644 --- a/compiler/rustc_codegen_gcc/src/builder.rs +++ b/compiler/rustc_codegen_gcc/src/builder.rs @@ -755,11 +755,11 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { OperandRef { val, layout: place.layout } } - fn write_operand_repeatedly(mut self, cg_elem: OperandRef<'tcx, RValue<'gcc>>, count: u64, dest: PlaceRef<'tcx, RValue<'gcc>>) -> Self { + fn write_operand_repeatedly(&mut self, cg_elem: OperandRef<'tcx, RValue<'gcc>>, count: u64, dest: PlaceRef<'tcx, RValue<'gcc>>) { let zero = self.const_usize(0); let count = self.const_usize(count); - let start = dest.project_index(&mut self, zero).llval; - let end = dest.project_index(&mut self, count).llval; + let start = dest.project_index(self, zero).llval; + let end = dest.project_index(self, count).llval; let header_bb = self.append_sibling_block("repeat_loop_header"); let body_bb = self.append_sibling_block("repeat_loop_body"); @@ -778,14 +778,13 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { self.switch_to_block(body_bb); let align = dest.align.restrict_for_offset(dest.layout.field(self.cx(), 0).size); - cg_elem.val.store(&mut self, PlaceRef::new_sized_aligned(current_val, cg_elem.layout, align)); + cg_elem.val.store(self, PlaceRef::new_sized_aligned(current_val, cg_elem.layout, align)); let next = self.inbounds_gep(self.backend_type(cg_elem.layout), current.to_rvalue(), &[self.const_usize(1)]); self.llbb().add_assignment(None, current, next); self.br(header_bb); self.switch_to_block(next_bb); - self } fn range_metadata(&mut self, _load: RValue<'gcc>, _range: WrappingRange) { diff --git a/compiler/rustc_codegen_gcc/src/consts.rs b/compiler/rustc_codegen_gcc/src/consts.rs index 81f53328867..ea8ab761146 100644 --- a/compiler/rustc_codegen_gcc/src/consts.rs +++ b/compiler/rustc_codegen_gcc/src/consts.rs @@ -8,13 +8,11 @@ use rustc_middle::mir::mono::MonoItem; use rustc_middle::ty::{self, Instance, Ty}; use rustc_middle::ty::layout::LayoutOf; use rustc_middle::mir::interpret::{self, ConstAllocation, ErrorHandled, Scalar as InterpScalar, read_target_uint}; -use rustc_span::Span; use rustc_span::def_id::DefId; use rustc_target::abi::{self, Align, HasDataLayout, Primitive, Size, WrappingRange}; use crate::base; use crate::context::CodegenCx; -use crate::errors::LinkageConstOrMutType; use crate::type_of::LayoutGccExt; impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { @@ -239,12 +237,12 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { } Node::ForeignItem(&hir::ForeignItem { - span, + span: _, kind: hir::ForeignItemKind::Static(..), .. }) => { let fn_attrs = self.tcx.codegen_fn_attrs(def_id); - check_and_apply_linkage(&self, &fn_attrs, ty, sym, span) + check_and_apply_linkage(&self, &fn_attrs, ty, sym) } item => bug!("get_static: expected static, found {:?}", item), @@ -257,8 +255,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { //debug!("get_static: sym={} item_attr={:?}", sym, self.tcx.item_attrs(def_id)); let attrs = self.tcx.codegen_fn_attrs(def_id); - let span = self.tcx.def_span(def_id); - let global = check_and_apply_linkage(&self, &attrs, ty, sym, span); + let global = check_and_apply_linkage(&self, &attrs, ty, sym); let needs_dll_storage_attr = false; // TODO(antoyo) @@ -297,12 +294,12 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { pub fn const_alloc_to_gcc<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, alloc: ConstAllocation<'tcx>) -> RValue<'gcc> { let alloc = alloc.inner(); - let mut llvals = Vec::with_capacity(alloc.provenance().len() + 1); + let mut llvals = Vec::with_capacity(alloc.provenance().ptrs().len() + 1); let dl = cx.data_layout(); let pointer_size = dl.pointer_size.bytes() as usize; let mut next_offset = 0; - for &(offset, alloc_id) in alloc.provenance().iter() { + for &(offset, alloc_id) in alloc.provenance().ptrs().iter() { let offset = offset.bytes(); assert_eq!(offset as usize as u64, offset); let offset = offset as usize; @@ -355,24 +352,12 @@ pub fn codegen_static_initializer<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, def_id Ok((const_alloc_to_gcc(cx, alloc), alloc)) } -fn check_and_apply_linkage<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, attrs: &CodegenFnAttrs, ty: Ty<'tcx>, sym: &str, span: Span) -> LValue<'gcc> { +fn check_and_apply_linkage<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, attrs: &CodegenFnAttrs, ty: Ty<'tcx>, sym: &str) -> LValue<'gcc> { let is_tls = attrs.flags.contains(CodegenFnAttrFlags::THREAD_LOCAL); let llty = cx.layout_of(ty).gcc_type(cx, true); - if let Some(linkage) = attrs.linkage { - // If this is a static with a linkage specified, then we need to handle - // it a little specially. The typesystem prevents things like &T and - // extern "C" fn() from being non-null, so we can't just declare a - // static and call it a day. Some linkages (like weak) will make it such - // that the static actually has a null value. - let llty2 = - if let ty::RawPtr(ref mt) = ty.kind() { - cx.layout_of(mt.ty).gcc_type(cx, true) - } - else { - cx.sess().emit_fatal(LinkageConstOrMutType { span: span }) - }; + if let Some(linkage) = attrs.import_linkage { // Declare a symbol `foo` with the desired linkage. - let global1 = cx.declare_global_with_linkage(&sym, llty2, base::global_linkage_to_gcc(linkage)); + let global1 = cx.declare_global_with_linkage(&sym, cx.type_i8(), base::global_linkage_to_gcc(linkage)); // Declare an internal global `extern_with_linkage_foo` which // is initialized with the address of `foo`. If `foo` is diff --git a/compiler/rustc_codegen_gcc/src/context.rs b/compiler/rustc_codegen_gcc/src/context.rs index 62a61eb8548..837708aeb0e 100644 --- a/compiler/rustc_codegen_gcc/src/context.rs +++ b/compiler/rustc_codegen_gcc/src/context.rs @@ -88,9 +88,9 @@ pub struct CodegenCx<'gcc, 'tcx> { pub vtables: RefCell<FxHashMap<(Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), RValue<'gcc>>>, // TODO(antoyo): improve the SSA API to not require those. - // Mapping from function pointer type to indexes of on stack parameters. + /// Mapping from function pointer type to indexes of on stack parameters. pub on_stack_params: RefCell<FxHashMap<FunctionPtrType<'gcc>, FxHashSet<usize>>>, - // Mapping from function to indexes of on stack parameters. + /// Mapping from function to indexes of on stack parameters. pub on_stack_function_params: RefCell<FxHashMap<Function<'gcc>, FxHashSet<usize>>>, /// Cache of emitted const globals (value -> global) @@ -425,8 +425,9 @@ impl<'gcc, 'tcx> MiscMethods<'tcx> for CodegenCx<'gcc, 'tcx> { } fn declare_c_main(&self, fn_type: Self::Type) -> Option<Self::Function> { - if self.get_declared_value("main").is_none() { - Some(self.declare_cfn("main", fn_type)) + let entry_name = self.sess().target.entry_name.as_ref(); + if self.get_declared_value(entry_name).is_none() { + Some(self.declare_entry_fn(entry_name, fn_type, ())) } else { // If the symbol already exists, it is an error: for example, the user wrote diff --git a/compiler/rustc_codegen_gcc/src/debuginfo.rs b/compiler/rustc_codegen_gcc/src/debuginfo.rs index 266759ed6cf..a81585d4128 100644 --- a/compiler/rustc_codegen_gcc/src/debuginfo.rs +++ b/compiler/rustc_codegen_gcc/src/debuginfo.rs @@ -4,8 +4,9 @@ use rustc_codegen_ssa::traits::{DebugInfoBuilderMethods, DebugInfoMethods}; use rustc_middle::mir; use rustc_middle::ty::{Instance, PolyExistentialTraitRef, Ty}; use rustc_span::{SourceFile, Span, Symbol}; -use rustc_target::abi::Size; use rustc_target::abi::call::FnAbi; +use rustc_target::abi::Size; +use std::ops::Range; use crate::builder::Builder; use crate::context::CodegenCx; @@ -13,7 +14,15 @@ use crate::context::CodegenCx; impl<'a, 'gcc, 'tcx> DebugInfoBuilderMethods for Builder<'a, 'gcc, 'tcx> { // FIXME(eddyb) find a common convention for all of the debuginfo-related // names (choose between `dbg`, `debug`, `debuginfo`, `debug_info` etc.). - fn dbg_var_addr(&mut self, _dbg_var: Self::DIVariable, _scope_metadata: Self::DIScope, _variable_alloca: Self::Value, _direct_offset: Size, _indirect_offsets: &[Size]) { + fn dbg_var_addr( + &mut self, + _dbg_var: Self::DIVariable, + _scope_metadata: Self::DIScope, + _variable_alloca: Self::Value, + _direct_offset: Size, + _indirect_offsets: &[Size], + _fragment: Option<Range<Size>>, + ) { unimplemented!(); } @@ -31,16 +40,31 @@ impl<'a, 'gcc, 'tcx> DebugInfoBuilderMethods for Builder<'a, 'gcc, 'tcx> { } impl<'gcc, 'tcx> DebugInfoMethods<'tcx> for CodegenCx<'gcc, 'tcx> { - fn create_vtable_debuginfo(&self, _ty: Ty<'tcx>, _trait_ref: Option<PolyExistentialTraitRef<'tcx>>, _vtable: Self::Value) { + fn create_vtable_debuginfo( + &self, + _ty: Ty<'tcx>, + _trait_ref: Option<PolyExistentialTraitRef<'tcx>>, + _vtable: Self::Value, + ) { // TODO(antoyo) } - fn create_function_debug_context(&self, _instance: Instance<'tcx>, _fn_abi: &FnAbi<'tcx, Ty<'tcx>>, _llfn: RValue<'gcc>, _mir: &mir::Body<'tcx>) -> Option<FunctionDebugContext<Self::DIScope, Self::DILocation>> { + fn create_function_debug_context( + &self, + _instance: Instance<'tcx>, + _fn_abi: &FnAbi<'tcx, Ty<'tcx>>, + _llfn: RValue<'gcc>, + _mir: &mir::Body<'tcx>, + ) -> Option<FunctionDebugContext<Self::DIScope, Self::DILocation>> { // TODO(antoyo) None } - fn extend_scope_to_file(&self, _scope_metadata: Self::DIScope, _file: &SourceFile) -> Self::DIScope { + fn extend_scope_to_file( + &self, + _scope_metadata: Self::DIScope, + _file: &SourceFile, + ) -> Self::DIScope { unimplemented!(); } @@ -48,15 +72,32 @@ impl<'gcc, 'tcx> DebugInfoMethods<'tcx> for CodegenCx<'gcc, 'tcx> { // TODO(antoyo) } - fn create_dbg_var(&self, _variable_name: Symbol, _variable_type: Ty<'tcx>, _scope_metadata: Self::DIScope, _variable_kind: VariableKind, _span: Span) -> Self::DIVariable { + fn create_dbg_var( + &self, + _variable_name: Symbol, + _variable_type: Ty<'tcx>, + _scope_metadata: Self::DIScope, + _variable_kind: VariableKind, + _span: Span, + ) -> Self::DIVariable { unimplemented!(); } - fn dbg_scope_fn(&self, _instance: Instance<'tcx>, _fn_abi: &FnAbi<'tcx, Ty<'tcx>>, _maybe_definition_llfn: Option<RValue<'gcc>>) -> Self::DIScope { + fn dbg_scope_fn( + &self, + _instance: Instance<'tcx>, + _fn_abi: &FnAbi<'tcx, Ty<'tcx>>, + _maybe_definition_llfn: Option<RValue<'gcc>>, + ) -> Self::DIScope { unimplemented!(); } - fn dbg_loc(&self, _scope: Self::DIScope, _inlined_at: Option<Self::DILocation>, _span: Span) -> Self::DILocation { + fn dbg_loc( + &self, + _scope: Self::DIScope, + _inlined_at: Option<Self::DILocation>, + _span: Span, + ) -> Self::DILocation { unimplemented!(); } } diff --git a/compiler/rustc_codegen_gcc/src/declare.rs b/compiler/rustc_codegen_gcc/src/declare.rs index a619e2f7712..eae77508c97 100644 --- a/compiler/rustc_codegen_gcc/src/declare.rs +++ b/compiler/rustc_codegen_gcc/src/declare.rs @@ -65,13 +65,13 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { global } - pub fn declare_cfn(&self, name: &str, _fn_type: Type<'gcc>) -> RValue<'gcc> { + pub fn declare_entry_fn(&self, name: &str, _fn_type: Type<'gcc>, callconv: () /*llvm::CCallConv*/) -> RValue<'gcc> { // TODO(antoyo): use the fn_type parameter. let const_string = self.context.new_type::<u8>().make_pointer().make_pointer(); let return_type = self.type_i32(); let variadic = false; self.linkage.set(FunctionType::Exported); - let func = declare_raw_fn(self, name, () /*llvm::CCallConv*/, return_type, &[self.type_i32(), const_string], variadic); + let func = declare_raw_fn(self, name, callconv, return_type, &[self.type_i32(), const_string], variadic); // NOTE: it is needed to set the current_func here as well, because get_fn() is not called // for the main function. *self.current_func.borrow_mut() = Some(func); diff --git a/compiler/rustc_codegen_gcc/src/errors.rs b/compiler/rustc_codegen_gcc/src/errors.rs index 15ad90f9043..d0ba7e24791 100644 --- a/compiler/rustc_codegen_gcc/src/errors.rs +++ b/compiler/rustc_codegen_gcc/src/errors.rs @@ -17,18 +17,6 @@ impl IntoDiagnosticArg for ExitCode { } #[derive(Diagnostic)] -#[diag(codegen_gcc_ranlib_failure)] -pub(crate) struct RanlibFailure { - exit_code: ExitCode, -} - -impl RanlibFailure { - pub fn new(exit_code: Option<i32>) -> Self { - RanlibFailure { exit_code: ExitCode(exit_code) } - } -} - -#[derive(Diagnostic)] #[diag(codegen_gcc_invalid_monomorphization_basic_integer, code = "E0511")] pub(crate) struct InvalidMonomorphizationBasicInteger<'a> { #[primary_span] @@ -224,13 +212,6 @@ pub(crate) struct InvalidMonomorphizationUnsupportedOperation<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc_linkage_const_or_mut_type)] -pub(crate) struct LinkageConstOrMutType { - #[primary_span] - pub span: Span -} - -#[derive(Diagnostic)] #[diag(codegen_gcc_lto_not_supported)] pub(crate) struct LTONotSupported; @@ -238,5 +219,5 @@ pub(crate) struct LTONotSupported; #[diag(codegen_gcc_unwinding_inline_asm)] pub(crate) struct UnwindingInlineAsm { #[primary_span] - pub span: Span + pub span: Span, } diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index accd02ab002..b9600da5c39 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -153,11 +153,11 @@ impl CodegenBackend for GccCodegenBackend { } impl ExtraBackendMethods for GccCodegenBackend { - fn codegen_allocator<'tcx>(&self, tcx: TyCtxt<'tcx>, module_name: &str, kind: AllocatorKind, has_alloc_error_handler: bool) -> Self::Module { + fn codegen_allocator<'tcx>(&self, tcx: TyCtxt<'tcx>, module_name: &str, kind: AllocatorKind, alloc_error_handler_kind: AllocatorKind) -> Self::Module { let mut mods = GccContext { context: Context::default(), }; - unsafe { allocator::codegen(tcx, &mut mods, module_name, kind, has_alloc_error_handler); } + unsafe { allocator::codegen(tcx, &mut mods, module_name, kind, alloc_error_handler_kind); } mods } @@ -315,10 +315,10 @@ pub fn target_features(sess: &Session, allow_unstable: bool) -> Vec<Symbol> { false } /* - adx, aes, avx, avx2, avx512bf16, avx512bitalg, avx512bw, avx512cd, avx512dq, avx512er, avx512f, avx512gfni, - avx512ifma, avx512pf, avx512vaes, avx512vbmi, avx512vbmi2, avx512vl, avx512vnni, avx512vp2intersect, avx512vpclmulqdq, - avx512vpopcntdq, bmi1, bmi2, cmpxchg16b, ermsb, f16c, fma, fxsr, lzcnt, movbe, pclmulqdq, popcnt, rdrand, rdseed, rtm, - sha, sse, sse2, sse3, sse4.1, sse4.2, sse4a, ssse3, tbm, xsave, xsavec, xsaveopt, xsaves + adx, aes, avx, avx2, avx512bf16, avx512bitalg, avx512bw, avx512cd, avx512dq, avx512er, avx512f, avx512ifma, + avx512pf, avx512vbmi, avx512vbmi2, avx512vl, avx512vnni, avx512vp2intersect, avx512vpopcntdq, + bmi1, bmi2, cmpxchg16b, ermsb, f16c, fma, fxsr, gfni, lzcnt, movbe, pclmulqdq, popcnt, rdrand, rdseed, rtm, + sha, sse, sse2, sse3, sse4.1, sse4.2, sse4a, ssse3, tbm, vaes, vpclmulqdq, xsave, xsavec, xsaveopt, xsaves */ //false }) diff --git a/compiler/rustc_codegen_gcc/src/type_.rs b/compiler/rustc_codegen_gcc/src/type_.rs index 68bdb8d4e55..89a415cdb36 100644 --- a/compiler/rustc_codegen_gcc/src/type_.rs +++ b/compiler/rustc_codegen_gcc/src/type_.rs @@ -201,6 +201,27 @@ impl<'gcc, 'tcx> BaseTypeMethods<'tcx> for CodegenCx<'gcc, 'tcx> { fn val_ty(&self, value: RValue<'gcc>) -> Type<'gcc> { value.get_type() } + + fn type_array(&self, ty: Type<'gcc>, mut len: u64) -> Type<'gcc> { + if let Some(struct_type) = ty.is_struct() { + if struct_type.get_field_count() == 0 { + // NOTE: since gccjit only supports i32 for the array size and libcore's tests uses a + // size of usize::MAX in test_binary_search, we workaround this by setting the size to + // zero for ZSTs. + // FIXME(antoyo): fix gccjit API. + len = 0; + } + } + + // NOTE: see note above. Some other test uses usize::MAX. + if len == u64::MAX { + len = 0; + } + + let len: i32 = len.try_into().expect("array len"); + + self.context.new_array_type(None, ty, len) + } } impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { @@ -227,27 +248,6 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { self.context.new_opaque_struct_type(None, name) } - pub fn type_array(&self, ty: Type<'gcc>, mut len: u64) -> Type<'gcc> { - if let Some(struct_type) = ty.is_struct() { - if struct_type.get_field_count() == 0 { - // NOTE: since gccjit only supports i32 for the array size and libcore's tests uses a - // size of usize::MAX in test_binary_search, we workaround this by setting the size to - // zero for ZSTs. - // FIXME(antoyo): fix gccjit API. - len = 0; - } - } - - // NOTE: see note above. Some other test uses usize::MAX. - if len == u64::MAX { - len = 0; - } - - let len: i32 = len.try_into().expect("array len"); - - self.context.new_array_type(None, ty, len) - } - pub fn type_bool(&self) -> Type<'gcc> { self.context.new_type::<bool>() } @@ -277,7 +277,7 @@ pub fn struct_fields<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, layout: TyAndLayout offset = target_offset + field.size; prev_effective_align = effective_field_align; } - if !layout.is_unsized() && field_count > 0 { + if layout.is_sized() && field_count > 0 { if offset > layout.size { bug!("layout: {:#?} stride: {:?} offset: {:?}", layout, layout.size, offset); } @@ -300,4 +300,8 @@ impl<'gcc, 'tcx> TypeMembershipMethods<'tcx> for CodegenCx<'gcc, 'tcx> { // Unsupported. self.context.new_rvalue_from_int(self.int_type, 0) } + + fn set_kcfi_type_metadata(&self, _function: RValue<'gcc>, _kcfi_typeid: u32) { + // Unsupported. + } } |