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Folkert de Vries
98 lines
4.1 KiB
Rust
98 lines
4.1 KiB
Rust
//@ add-minicore
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//@ assembly-output: emit-asm
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//
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//@ revisions: linux-x86-gnu-fs-true linux-x86-gnu-fs-false
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//@[linux-x86-gnu-fs-true] compile-flags: --target x86_64-unknown-linux-gnu -Zfunction-sections=true
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//@[linux-x86-gnu-fs-true] needs-llvm-components: x86
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//@[linux-x86-gnu-fs-false] compile-flags: --target x86_64-unknown-linux-gnu -Zfunction-sections=false
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//@[linux-x86-gnu-fs-false] needs-llvm-components: x86
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//
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//@ revisions: macos-aarch64-fs-true macos-aarch64-fs-false
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//@[macos-aarch64-fs-true] compile-flags: --target aarch64-apple-darwin -Zfunction-sections=true
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//@[macos-aarch64-fs-true] needs-llvm-components: aarch64
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//@[macos-aarch64-fs-false] compile-flags: --target aarch64-apple-darwin -Zfunction-sections=false
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//@[macos-aarch64-fs-false] needs-llvm-components: aarch64
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//
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//@ revisions: windows-x86-gnu-fs-true windows-x86-gnu-fs-false
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//@[windows-x86-gnu-fs-true] compile-flags: --target x86_64-pc-windows-gnu -Zfunction-sections=true
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//@[windows-x86-gnu-fs-true] needs-llvm-components: x86
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//@[windows-x86-gnu-fs-false] compile-flags: --target x86_64-pc-windows-gnu -Zfunction-sections=false
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//@[windows-x86-gnu-fs-false] needs-llvm-components: x86
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//
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//@ revisions: windows-x86-msvc-fs-true windows-x86-msvc-fs-false
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//@[windows-x86-msvc-fs-true] compile-flags: --target x86_64-pc-windows-msvc -Zfunction-sections=true
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//@[windows-x86-msvc-fs-true] needs-llvm-components: x86
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//@[windows-x86-msvc-fs-false] compile-flags: --target x86_64-pc-windows-msvc -Zfunction-sections=false
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//@[windows-x86-msvc-fs-false] needs-llvm-components: x86
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//
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//@ revisions: x86-uefi-fs-true x86-uefi-fs-false
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//@[x86-uefi-fs-true] compile-flags: --target x86_64-unknown-uefi -Zfunction-sections=true
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//@[x86-uefi-fs-true] needs-llvm-components: x86
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//@[x86-uefi-fs-false] compile-flags: --target x86_64-unknown-uefi -Zfunction-sections=false
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//@[x86-uefi-fs-false] needs-llvm-components: x86
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#![crate_type = "lib"]
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#![feature(no_core)]
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#![no_core]
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// Tests that naked and non-naked functions emit the same directives when (not) using
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// -Zfunction-sections. This setting is ignored on macos, off by default on windows gnu,
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// and on by default in the remaining revisions tested here.
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extern crate minicore;
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use minicore::*;
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#[unsafe(naked)]
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#[unsafe(no_mangle)]
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extern "C" fn naked_ret() {
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// linux-x86-gnu-fs-true: .section .text.naked_ret,"ax",@progbits
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// linux-x86-gnu-fs-false: .text
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//
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// macos-aarch64-fs-true: .section __TEXT,__text,regular,pure_instructions
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// macos-aarch64-fs-false: .section __TEXT,__text,regular,pure_instructions
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//
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// NOTE: the regular function below adds `unique,0` at the end, but we have no way of generating
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// the unique ID to use there, so don't emit that part.
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//
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// windows-x86-gnu-fs-true: .section .text$naked_ret,"xr",one_only,naked_ret
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// windows-x86-msvc-fs-true: .section .text,"xr",one_only,naked_ret
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// x86-uefi-fs-true: .section .text,"xr",one_only,naked_ret
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//
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// windows-x86-gnu-fs-false: .text
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// windows-x86-msvc-fs-false: .text
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// x86-uefi-fs-false: .text
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//
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// CHECK-LABEL: naked_ret:
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naked_asm!("ret")
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}
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// Use a different section here so that `regular_ret` has to explicitly specify the section.
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#[link_section = cfg_select!(
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target_os = "macos" => "__FOO,bar",
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_ => ".bar",
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)]
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#[unsafe(no_mangle)]
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extern "C" fn omarker() -> i32 {
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// CHECK-LABEL: omarker:
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32
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}
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#[unsafe(no_mangle)]
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extern "C" fn regular_ret() {
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// linux-x86-gnu-fs-true: .section .text.regular_ret,"ax",@progbits
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// linux-x86-gnu-fs-false: .text
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//
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// macos-aarch64-fs-true: .section __TEXT,__text,regular,pure_instructions
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// macos-aarch64-fs-false: .section __TEXT,__text,regular,pure_instructions
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//
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// windows-x86-gnu-fs-true: .section .text$regular_ret,"xr",one_only,regular_ret,unique,0
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// windows-x86-msvc-fs-true: .section .text,"xr",one_only,regular_ret,unique,0
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// x86-uefi-fs-true: .section .text,"xr",one_only,regular_ret,unique,0
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//
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// windows-x86-gnu-fs-false: .text
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// windows-x86-msvc-fs-false: .text
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// x86-uefi-fs-false: .text
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//
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// CHECK-LABEL: regular_ret:
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}
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