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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/assembly/asm/bpf-types.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/assembly/asm/bpf-types.rs | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/test/assembly/asm/bpf-types.rs b/src/test/assembly/asm/bpf-types.rs new file mode 100644 index 000000000..3428d93fb --- /dev/null +++ b/src/test/assembly/asm/bpf-types.rs @@ -0,0 +1,154 @@ +// min-llvm-version: 13.0 +// assembly-output: emit-asm +// compile-flags: --target bpfel-unknown-none -C target_feature=+alu32 +// needs-llvm-components: bpf + +#![feature(no_core, lang_items, rustc_attrs, repr_simd, asm_sym, asm_experimental_arch)] +#![crate_type = "rlib"] +#![no_core] +#![allow(asm_sub_register, non_camel_case_types)] + +#[rustc_builtin_macro] +macro_rules! asm { + () => {}; +} +#[rustc_builtin_macro] +macro_rules! concat { + () => {}; +} +#[rustc_builtin_macro] +macro_rules! stringify { + () => {}; +} + +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} + +type ptr = *const u64; + +impl Copy for i8 {} +impl Copy for i16 {} +impl Copy for i32 {} +impl Copy for i64 {} +impl Copy for ptr {} + +macro_rules! check { + ($func:ident $ty:ident $class:ident) => { + #[no_mangle] + pub unsafe fn $func(x: $ty) -> $ty { + let y; + asm!("{} = {}", out($class) y, in($class) x); + y + } + }; +} + +macro_rules! check_reg { + ($func:ident $ty:ident $reg:tt) => { + #[no_mangle] + pub unsafe fn $func(x: $ty) -> $ty { + let y; + asm!(concat!($reg, " = ", $reg), lateout($reg) y, in($reg) x); + y + } + }; +} + +extern "C" { + fn extern_func(); +} + +// CHECK-LABEL: sym_fn +// CHECK: #APP +// CHECK: call extern_func +// CHECK: #NO_APP +#[no_mangle] +pub unsafe fn sym_fn() { + asm!("call {}", sym extern_func); +} + +// CHECK-LABEL: reg_i8: +// CHECK: #APP +// CHECK: r{{[0-9]+}} = r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i8 i8 reg); + +// CHECK-LABEL: reg_i16: +// CHECK: #APP +// CHECK: r{{[0-9]+}} = r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i16 i16 reg); + +// CHECK-LABEL: reg_i32: +// CHECK: #APP +// CHECK: r{{[0-9]+}} = r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i32 i32 reg); + +// CHECK-LABEL: reg_i64: +// CHECK: #APP +// CHECK: r{{[0-9]+}} = r{{[0-9]+}} +// CHECK: #NO_APP +check!(reg_i64 i64 reg); + +// CHECK-LABEL: wreg_i8: +// CHECK: #APP +// CHECK: w{{[0-9]+}} = w{{[0-9]+}} +// CHECK: #NO_APP +check!(wreg_i8 i8 wreg); + +// CHECK-LABEL: wreg_i16: +// CHECK: #APP +// CHECK: w{{[0-9]+}} = w{{[0-9]+}} +// CHECK: #NO_APP +check!(wreg_i16 i16 wreg); + +// CHECK-LABEL: wreg_i32: +// CHECK: #APP +// CHECK: w{{[0-9]+}} = w{{[0-9]+}} +// CHECK: #NO_APP +check!(wreg_i32 i32 wreg); + +// CHECK-LABEL: r0_i8: +// CHECK: #APP +// CHECK: r0 = r0 +// CHECK: #NO_APP +check_reg!(r0_i8 i8 "r0"); + +// CHECK-LABEL: r0_i16: +// CHECK: #APP +// CHECK: r0 = r0 +// CHECK: #NO_APP +check_reg!(r0_i16 i16 "r0"); + +// CHECK-LABEL: r0_i32: +// CHECK: #APP +// CHECK: r0 = r0 +// CHECK: #NO_APP +check_reg!(r0_i32 i32 "r0"); + +// CHECK-LABEL: r0_i64: +// CHECK: #APP +// CHECK: r0 = r0 +// CHECK: #NO_APP +check_reg!(r0_i64 i64 "r0"); + +// CHECK-LABEL: w0_i8: +// CHECK: #APP +// CHECK: w0 = w0 +// CHECK: #NO_APP +check_reg!(w0_i8 i8 "w0"); + +// CHECK-LABEL: w0_i16: +// CHECK: #APP +// CHECK: w0 = w0 +// CHECK: #NO_APP +check_reg!(w0_i16 i16 "w0"); + +// CHECK-LABEL: w0_i32: +// CHECK: #APP +// CHECK: w0 = w0 +// CHECK: #NO_APP +check_reg!(w0_i32 i32 "w0"); |