diff --git a/compiler/rustc_target/src/abi/call/mod.rs b/compiler/rustc_target/src/abi/call/mod.rs index 5bfc528dffc83..25e4d70945b2c 100644 --- a/compiler/rustc_target/src/abi/call/mod.rs +++ b/compiler/rustc_target/src/abi/call/mod.rs @@ -642,7 +642,7 @@ impl<'a, Ty> ArgAbi<'a, Ty> { pub fn make_indirect(&mut self) { match self.mode { PassMode::Direct(_) | PassMode::Pair(_, _) => { - self.mode = Self::indirect_pass_mode(&self.layout); + self.make_indirect_force(); } PassMode::Indirect { attrs: _, meta_attrs: _, on_stack: false } => { // already indirect @@ -652,6 +652,11 @@ impl<'a, Ty> ArgAbi<'a, Ty> { } } + /// Same as make_indirect, but doesn't check the current `PassMode`. + pub fn make_indirect_force(&mut self) { + self.mode = Self::indirect_pass_mode(&self.layout); + } + /// Pass this argument indirectly, by placing it at a fixed stack offset. /// This corresponds to the `byval` LLVM argument attribute. /// This is only valid for sized arguments. @@ -871,10 +876,10 @@ impl<'a, Ty> FnAbi<'a, Ty> { } "x86_64" => match abi { spec::abi::Abi::SysV64 { .. } => x86_64::compute_abi_info(cx, self), - spec::abi::Abi::Win64 { .. } => x86_win64::compute_abi_info(self), + spec::abi::Abi::Win64 { .. } => x86_win64::compute_abi_info(cx, self), _ => { if cx.target_spec().is_like_windows { - x86_win64::compute_abi_info(self) + x86_win64::compute_abi_info(cx, self) } else { x86_64::compute_abi_info(cx, self) } @@ -898,7 +903,7 @@ impl<'a, Ty> FnAbi<'a, Ty> { "csky" => csky::compute_abi_info(self), "mips" | "mips32r6" => mips::compute_abi_info(cx, self), "mips64" | "mips64r6" => mips64::compute_abi_info(cx, self), - "powerpc" => powerpc::compute_abi_info(self), + "powerpc" => powerpc::compute_abi_info(cx, self), "powerpc64" => powerpc64::compute_abi_info(cx, self), "s390x" => s390x::compute_abi_info(cx, self), "msp430" => msp430::compute_abi_info(self), diff --git a/compiler/rustc_target/src/abi/call/powerpc.rs b/compiler/rustc_target/src/abi/call/powerpc.rs index 70c32db0a871b..cb80d64c94304 100644 --- a/compiler/rustc_target/src/abi/call/powerpc.rs +++ b/compiler/rustc_target/src/abi/call/powerpc.rs @@ -1,4 +1,5 @@ use crate::abi::call::{ArgAbi, FnAbi}; +use crate::spec::HasTargetSpec; fn classify_ret(ret: &mut ArgAbi<'_, Ty>) { if ret.layout.is_aggregate() { @@ -8,7 +9,17 @@ fn classify_ret(ret: &mut ArgAbi<'_, Ty>) { } } -fn classify_arg(arg: &mut ArgAbi<'_, Ty>) { +fn classify_arg(cx: &impl HasTargetSpec, arg: &mut ArgAbi<'_, Ty>) { + if arg.is_ignore() { + // powerpc-unknown-linux-{gnu,musl,uclibc} doesn't ignore ZSTs. + if cx.target_spec().os == "linux" + && matches!(&*cx.target_spec().env, "gnu" | "musl" | "uclibc") + && arg.layout.is_zst() + { + arg.make_indirect_force(); + } + return; + } if arg.layout.is_aggregate() { arg.make_indirect(); } else { @@ -16,15 +27,12 @@ fn classify_arg(arg: &mut ArgAbi<'_, Ty>) { } } -pub fn compute_abi_info(fn_abi: &mut FnAbi<'_, Ty>) { +pub fn compute_abi_info(cx: &impl HasTargetSpec, fn_abi: &mut FnAbi<'_, Ty>) { if !fn_abi.ret.is_ignore() { classify_ret(&mut fn_abi.ret); } for arg in fn_abi.args.iter_mut() { - if arg.is_ignore() { - continue; - } - classify_arg(arg); + classify_arg(cx, arg); } } diff --git a/compiler/rustc_target/src/abi/call/s390x.rs b/compiler/rustc_target/src/abi/call/s390x.rs index 1a2191082d5de..7dcbb3e4a9e9b 100644 --- a/compiler/rustc_target/src/abi/call/s390x.rs +++ b/compiler/rustc_target/src/abi/call/s390x.rs @@ -3,6 +3,7 @@ use crate::abi::call::{ArgAbi, FnAbi, Reg}; use crate::abi::{HasDataLayout, TyAbiInterface}; +use crate::spec::HasTargetSpec; fn classify_ret(ret: &mut ArgAbi<'_, Ty>) { if !ret.layout.is_aggregate() && ret.layout.size.bits() <= 64 { @@ -15,12 +16,22 @@ fn classify_ret(ret: &mut ArgAbi<'_, Ty>) { fn classify_arg<'a, Ty, C>(cx: &C, arg: &mut ArgAbi<'a, Ty>) where Ty: TyAbiInterface<'a, C> + Copy, - C: HasDataLayout, + C: HasDataLayout + HasTargetSpec, { if !arg.layout.is_sized() { // Not touching this... return; } + if arg.is_ignore() { + // s390x-unknown-linux-{gnu,musl,uclibc} doesn't ignore ZSTs. + if cx.target_spec().os == "linux" + && matches!(&*cx.target_spec().env, "gnu" | "musl" | "uclibc") + && arg.layout.is_zst() + { + arg.make_indirect_force(); + } + return; + } if !arg.layout.is_aggregate() && arg.layout.size.bits() <= 64 { arg.extend_integer_width_to(64); return; @@ -46,16 +57,13 @@ where pub fn compute_abi_info<'a, Ty, C>(cx: &C, fn_abi: &mut FnAbi<'a, Ty>) where Ty: TyAbiInterface<'a, C> + Copy, - C: HasDataLayout, + C: HasDataLayout + HasTargetSpec, { if !fn_abi.ret.is_ignore() { classify_ret(&mut fn_abi.ret); } for arg in fn_abi.args.iter_mut() { - if arg.is_ignore() { - continue; - } classify_arg(cx, arg); } } diff --git a/compiler/rustc_target/src/abi/call/sparc64.rs b/compiler/rustc_target/src/abi/call/sparc64.rs index c0952130e0410..3b2bf9b3187f1 100644 --- a/compiler/rustc_target/src/abi/call/sparc64.rs +++ b/compiler/rustc_target/src/abi/call/sparc64.rs @@ -4,6 +4,7 @@ use crate::abi::call::{ ArgAbi, ArgAttribute, ArgAttributes, ArgExtension, CastTarget, FnAbi, Reg, Uniform, }; use crate::abi::{self, HasDataLayout, Scalar, Size, TyAbiInterface, TyAndLayout}; +use crate::spec::HasTargetSpec; #[derive(Clone, Debug)] pub struct Sdata { @@ -211,7 +212,7 @@ where pub fn compute_abi_info<'a, Ty, C>(cx: &C, fn_abi: &mut FnAbi<'a, Ty>) where Ty: TyAbiInterface<'a, C> + Copy, - C: HasDataLayout, + C: HasDataLayout + HasTargetSpec, { if !fn_abi.ret.is_ignore() { classify_arg(cx, &mut fn_abi.ret, Size::from_bytes(32)); @@ -219,7 +220,14 @@ where for arg in fn_abi.args.iter_mut() { if arg.is_ignore() { - continue; + // sparc64-unknown-linux-{gnu,musl,uclibc} doesn't ignore ZSTs. + if cx.target_spec().os == "linux" + && matches!(&*cx.target_spec().env, "gnu" | "musl" | "uclibc") + && arg.layout.is_zst() + { + arg.make_indirect_force(); + } + return; } classify_arg(cx, arg, Size::from_bytes(16)); } diff --git a/compiler/rustc_target/src/abi/call/x86_win64.rs b/compiler/rustc_target/src/abi/call/x86_win64.rs index 4e19460bd28c2..6ca01cf84eaa4 100644 --- a/compiler/rustc_target/src/abi/call/x86_win64.rs +++ b/compiler/rustc_target/src/abi/call/x86_win64.rs @@ -1,9 +1,10 @@ use crate::abi::call::{ArgAbi, FnAbi, Reg}; use crate::abi::{Abi, Float, Primitive}; +use crate::spec::HasTargetSpec; // Win64 ABI: https://docs.microsoft.com/en-us/cpp/build/parameter-passing -pub fn compute_abi_info(fn_abi: &mut FnAbi<'_, Ty>) { +pub fn compute_abi_info(cx: &impl HasTargetSpec, fn_abi: &mut FnAbi<'_, Ty>) { let fixup = |a: &mut ArgAbi<'_, Ty>| { match a.layout.abi { Abi::Uninhabited | Abi::Aggregate { sized: false } => {} @@ -37,6 +38,13 @@ pub fn compute_abi_info(fn_abi: &mut FnAbi<'_, Ty>) { } for arg in fn_abi.args.iter_mut() { if arg.is_ignore() { + // x86_64-pc-windows-gnu doesn't ignore ZSTs. + if cx.target_spec().os == "windows" + && cx.target_spec().env == "gnu" + && arg.layout.is_zst() + { + arg.make_indirect_force(); + } continue; } fixup(arg); diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs index 34c426f2aa6df..7e3c30f238388 100644 --- a/compiler/rustc_ty_utils/src/abi.rs +++ b/compiler/rustc_ty_utils/src/abi.rs @@ -584,7 +584,7 @@ fn fn_abi_new_uncached<'tcx>( let conv = conv_from_spec_abi(cx.tcx(), sig.abi, sig.c_variadic); let mut inputs = sig.inputs(); - let extra_args = if sig.abi == RustCall { + let extra_args = if sig.abi == SpecAbi::RustCall { assert!(!sig.c_variadic && extra_args.is_empty()); if let Some(input) = sig.inputs().last() { @@ -608,18 +608,6 @@ fn fn_abi_new_uncached<'tcx>( extra_args }; - let target = &cx.tcx.sess.target; - let target_env_gnu_like = matches!(&target.env[..], "gnu" | "musl" | "uclibc"); - let win_x64_gnu = target.os == "windows" && target.arch == "x86_64" && target.env == "gnu"; - let linux_s390x_gnu_like = - target.os == "linux" && target.arch == "s390x" && target_env_gnu_like; - let linux_sparc64_gnu_like = - target.os == "linux" && target.arch == "sparc64" && target_env_gnu_like; - let linux_powerpc_gnu_like = - target.os == "linux" && target.arch == "powerpc" && target_env_gnu_like; - use SpecAbi::*; - let rust_abi = matches!(sig.abi, RustIntrinsic | Rust | RustCall); - let is_drop_in_place = fn_def_id.is_some_and(|def_id| cx.tcx.is_lang_item(def_id, LangItem::DropInPlace)); @@ -659,18 +647,7 @@ fn fn_abi_new_uncached<'tcx>( }); if arg.layout.is_zst() { - // For some forsaken reason, x86_64-pc-windows-gnu - // doesn't ignore zero-sized struct arguments. - // The same is true for {s390x,sparc64,powerpc}-unknown-linux-{gnu,musl,uclibc}. - if is_return - || rust_abi - || (!win_x64_gnu - && !linux_s390x_gnu_like - && !linux_sparc64_gnu_like - && !linux_powerpc_gnu_like) - { - arg.mode = PassMode::Ignore; - } + arg.mode = PassMode::Ignore; } Ok(arg) diff --git a/src/tools/compiletest/src/command-list.rs b/src/tools/compiletest/src/command-list.rs index 50c909793f5e1..9477c48db0aac 100644 --- a/src/tools/compiletest/src/command-list.rs +++ b/src/tools/compiletest/src/command-list.rs @@ -92,10 +92,12 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "ignore-nvptx64-nvidia-cuda", "ignore-openbsd", "ignore-pass", + "ignore-powerpc", "ignore-remote", "ignore-riscv64", "ignore-s390x", "ignore-sgx", + "ignore-sparc64", "ignore-spirv", "ignore-stable", "ignore-stage1", @@ -123,6 +125,7 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "ignore-x86", "ignore-x86_64", "ignore-x86_64-apple-darwin", + "ignore-x86_64-pc-windows-gnu", "ignore-x86_64-unknown-linux-gnu", "incremental", "known-bug", @@ -191,7 +194,9 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "only-msvc", "only-nightly", "only-nvptx64", + "only-powerpc", "only-riscv64", + "only-s390x", "only-sparc", "only-sparc64", "only-stable", diff --git a/tests/ui/abi/c-zst.other-linux.stderr b/tests/ui/abi/c-zst.other-linux.stderr new file mode 100644 index 0000000000000..5a656e6ea66e0 --- /dev/null +++ b/tests/ui/abi/c-zst.other-linux.stderr @@ -0,0 +1,67 @@ +error: fn_abi_of(pass_zst) = FnAbi { + args: [ + ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + ], + ret: ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + c_variadic: false, + fixed_count: 1, + conv: C, + can_unwind: false, + } + --> $DIR/c-zst.rs:27:1 + | +LL | extern "C" fn pass_zst(_: ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/abi/c-zst.other.stderr b/tests/ui/abi/c-zst.other.stderr new file mode 100644 index 0000000000000..5a656e6ea66e0 --- /dev/null +++ b/tests/ui/abi/c-zst.other.stderr @@ -0,0 +1,67 @@ +error: fn_abi_of(pass_zst) = FnAbi { + args: [ + ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + ], + ret: ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + c_variadic: false, + fixed_count: 1, + conv: C, + can_unwind: false, + } + --> $DIR/c-zst.rs:27:1 + | +LL | extern "C" fn pass_zst(_: ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/abi/c-zst.powerpc-linux.stderr b/tests/ui/abi/c-zst.powerpc-linux.stderr new file mode 100644 index 0000000000000..ba9738050d87d --- /dev/null +++ b/tests/ui/abi/c-zst.powerpc-linux.stderr @@ -0,0 +1,78 @@ +error: fn_abi_of(pass_zst) = FnAbi { + args: [ + ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Indirect { + attrs: ArgAttributes { + regular: NoAlias | NoCapture | NonNull | NoUndef, + arg_ext: None, + pointee_size: Size(0 bytes), + pointee_align: Some( + Align(1 bytes), + ), + }, + meta_attrs: None, + on_stack: false, + }, + }, + ], + ret: ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + c_variadic: false, + fixed_count: 1, + conv: C, + can_unwind: false, + } + --> $DIR/c-zst.rs:27:1 + | +LL | extern "C" fn pass_zst(_: ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/abi/c-zst.rs b/tests/ui/abi/c-zst.rs new file mode 100644 index 0000000000000..0cfd653b37e87 --- /dev/null +++ b/tests/ui/abi/c-zst.rs @@ -0,0 +1,27 @@ +//@ revisions: other other-linux x86_64-pc-windows-gnu s390x-linux sparc64-linux powerpc-linux +//@ normalize-stderr-test: "(abi|pref|unadjusted_abi_align): Align\([1-8] bytes\)" -> "$1: $$SOME_ALIGN" +// ZSTs are only not ignored when the target_env is "gnu", "musl" or "uclibc". However, Rust does +// not currently support any other target_env on these architectures. + +// Ignore the ZST revisions +//@[other] ignore-x86_64-pc-windows-gnu +//@[other] ignore-linux +//@[other-linux] only-linux +//@[other-linux] ignore-s390x +//@[other-linux] ignore-sparc64 +//@[other-linux] ignore-powerpc + +// Pass the ZST indirectly revisions +//@[x86_64-pc-windows-gnu] only-x86_64-pc-windows-gnu +//@[s390x-linux] only-s390x +//@[s390x-linux] only-linux +//@[sparc64-linux] only-sparc64 +//@[sparc64-linux] only-linux +//@[powerpc-linux] only-powerpc +//@[powerpc-linux] only-linux + +#![feature(rustc_attrs)] +#![crate_type = "lib"] + +#[rustc_abi(debug)] +extern "C" fn pass_zst(_: ()) {} //~ ERROR: fn_abi diff --git a/tests/ui/abi/c-zst.s390x-linux.stderr b/tests/ui/abi/c-zst.s390x-linux.stderr new file mode 100644 index 0000000000000..ba9738050d87d --- /dev/null +++ b/tests/ui/abi/c-zst.s390x-linux.stderr @@ -0,0 +1,78 @@ +error: fn_abi_of(pass_zst) = FnAbi { + args: [ + ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Indirect { + attrs: ArgAttributes { + regular: NoAlias | NoCapture | NonNull | NoUndef, + arg_ext: None, + pointee_size: Size(0 bytes), + pointee_align: Some( + Align(1 bytes), + ), + }, + meta_attrs: None, + on_stack: false, + }, + }, + ], + ret: ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + c_variadic: false, + fixed_count: 1, + conv: C, + can_unwind: false, + } + --> $DIR/c-zst.rs:27:1 + | +LL | extern "C" fn pass_zst(_: ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/abi/c-zst.sparc64-linux.stderr b/tests/ui/abi/c-zst.sparc64-linux.stderr new file mode 100644 index 0000000000000..ba9738050d87d --- /dev/null +++ b/tests/ui/abi/c-zst.sparc64-linux.stderr @@ -0,0 +1,78 @@ +error: fn_abi_of(pass_zst) = FnAbi { + args: [ + ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Indirect { + attrs: ArgAttributes { + regular: NoAlias | NoCapture | NonNull | NoUndef, + arg_ext: None, + pointee_size: Size(0 bytes), + pointee_align: Some( + Align(1 bytes), + ), + }, + meta_attrs: None, + on_stack: false, + }, + }, + ], + ret: ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + c_variadic: false, + fixed_count: 1, + conv: C, + can_unwind: false, + } + --> $DIR/c-zst.rs:27:1 + | +LL | extern "C" fn pass_zst(_: ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/abi/c-zst.x86_64-pc-windows-gnu.stderr b/tests/ui/abi/c-zst.x86_64-pc-windows-gnu.stderr new file mode 100644 index 0000000000000..ba9738050d87d --- /dev/null +++ b/tests/ui/abi/c-zst.x86_64-pc-windows-gnu.stderr @@ -0,0 +1,78 @@ +error: fn_abi_of(pass_zst) = FnAbi { + args: [ + ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Indirect { + attrs: ArgAttributes { + regular: NoAlias | NoCapture | NonNull | NoUndef, + arg_ext: None, + pointee_size: Size(0 bytes), + pointee_align: Some( + Align(1 bytes), + ), + }, + meta_attrs: None, + on_stack: false, + }, + }, + ], + ret: ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + c_variadic: false, + fixed_count: 1, + conv: C, + can_unwind: false, + } + --> $DIR/c-zst.rs:27:1 + | +LL | extern "C" fn pass_zst(_: ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/abi/sysv64-zst.rs b/tests/ui/abi/sysv64-zst.rs new file mode 100644 index 0000000000000..6f4497e77a181 --- /dev/null +++ b/tests/ui/abi/sysv64-zst.rs @@ -0,0 +1,8 @@ +//@ only-x86_64 +//@ normalize-stderr-test: "(abi|pref|unadjusted_abi_align): Align\([1-8] bytes\)" -> "$1: $$SOME_ALIGN" + +#![feature(rustc_attrs)] +#![crate_type = "lib"] + +#[rustc_abi(debug)] +extern "sysv64" fn pass_zst(_: ()) {} //~ ERROR: fn_abi diff --git a/tests/ui/abi/sysv64-zst.stderr b/tests/ui/abi/sysv64-zst.stderr new file mode 100644 index 0000000000000..8b0b84dfa0699 --- /dev/null +++ b/tests/ui/abi/sysv64-zst.stderr @@ -0,0 +1,67 @@ +error: fn_abi_of(pass_zst) = FnAbi { + args: [ + ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + ], + ret: ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + c_variadic: false, + fixed_count: 1, + conv: X86_64SysV, + can_unwind: false, + } + --> $DIR/sysv64-zst.rs:8:1 + | +LL | extern "sysv64" fn pass_zst(_: ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/abi/win64-zst.other.stderr b/tests/ui/abi/win64-zst.other.stderr new file mode 100644 index 0000000000000..15db141cb5748 --- /dev/null +++ b/tests/ui/abi/win64-zst.other.stderr @@ -0,0 +1,67 @@ +error: fn_abi_of(pass_zst) = FnAbi { + args: [ + ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + ], + ret: ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + c_variadic: false, + fixed_count: 1, + conv: X86_64Win64, + can_unwind: false, + } + --> $DIR/win64-zst.rs:11:1 + | +LL | extern "win64" fn pass_zst(_: ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/abi/win64-zst.rs b/tests/ui/abi/win64-zst.rs new file mode 100644 index 0000000000000..cae32795e16e7 --- /dev/null +++ b/tests/ui/abi/win64-zst.rs @@ -0,0 +1,11 @@ +//@ only-x86_64 +//@ revisions: other windows-gnu +//@ normalize-stderr-test: "(abi|pref|unadjusted_abi_align): Align\([1-8] bytes\)" -> "$1: $$SOME_ALIGN" +//@[other] ignore-windows-gnu +//@[windows-gnu] only-windows-gnu + +#![feature(rustc_attrs)] +#![crate_type = "lib"] + +#[rustc_abi(debug)] +extern "win64" fn pass_zst(_: ()) {} //~ ERROR: fn_abi diff --git a/tests/ui/abi/win64-zst.windows-gnu.stderr b/tests/ui/abi/win64-zst.windows-gnu.stderr new file mode 100644 index 0000000000000..7773e0aa2b572 --- /dev/null +++ b/tests/ui/abi/win64-zst.windows-gnu.stderr @@ -0,0 +1,78 @@ +error: fn_abi_of(pass_zst) = FnAbi { + args: [ + ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Indirect { + attrs: ArgAttributes { + regular: NoAlias | NoCapture | NonNull | NoUndef, + arg_ext: None, + pointee_size: Size(0 bytes), + pointee_align: Some( + Align(1 bytes), + ), + }, + meta_attrs: None, + on_stack: false, + }, + }, + ], + ret: ArgAbi { + layout: TyAndLayout { + ty: (), + layout: Layout { + size: Size(0 bytes), + align: AbiAndPrefAlign { + abi: $SOME_ALIGN, + pref: $SOME_ALIGN, + }, + abi: Aggregate { + sized: true, + }, + fields: Arbitrary { + offsets: [], + memory_index: [], + }, + largest_niche: None, + variants: Single { + index: 0, + }, + max_repr_align: None, + unadjusted_abi_align: $SOME_ALIGN, + }, + }, + mode: Ignore, + }, + c_variadic: false, + fixed_count: 1, + conv: X86_64Win64, + can_unwind: false, + } + --> $DIR/win64-zst.rs:11:1 + | +LL | extern "win64" fn pass_zst(_: ()) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error +