mirror of https://github.com/rust-lang/rust
55 lines
1.9 KiB
Rust
55 lines
1.9 KiB
Rust
//! Make sure that cross-language LTO works on riscv targets,
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//! which requires extra `target-abi` metadata to be emitted.
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//@ needs-force-clang-based-tests
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//@ needs-llvm-components riscv
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//@ needs-force-clang-based-tests
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// FIXME(#126180): This test can only run on `x86_64-gnu-debug`, because that CI job sets
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// RUSTBUILD_FORCE_CLANG_BASED_TESTS and only runs tests which contain "clang" in their
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// name.
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// However, this test does not run at all as its name does not contain "clang".
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use std::path::PathBuf;
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use std::process::{Command, Output};
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use std::{env, str};
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use run_make_support::{bin_name, clang, llvm_readobj, rustc};
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fn check_target(target: &str, clang_target: &str, carch: &str, is_double_float: bool) {
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eprintln!("Checking target {target}");
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// Rust part
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rustc()
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.input("riscv-xlto.rs")
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.crate_type("rlib")
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.target(target)
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.panic("abort")
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.linker_plugin_lto("on")
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.run();
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// C part
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clang()
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.target(clang_target)
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.arch(carch)
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.lto("thin")
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.use_ld("lld")
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.no_stdlib()
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.out_exe("riscv-xlto")
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.input("cstart.c")
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.input("libriscv_xlto.rlib")
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.run();
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// Check that the built binary has correct float abi
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let executable = bin_name("riscv-xlto");
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let output = llvm_readobj().input(&executable).file_header().run();
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let stdout = String::from_utf8_lossy(&output.stdout);
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eprintln!("obj:\n{}", stdout);
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assert!(!(is_double_float ^ stdout.contains("EF_RISCV_FLOAT_ABI_DOUBLE")));
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}
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fn main() {
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check_target("riscv64gc-unknown-linux-gnu", "riscv64-linux-gnu", "rv64gc", true);
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check_target("riscv64imac-unknown-none-elf", "riscv64-unknown-elf", "rv64imac", false);
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check_target("riscv32imac-unknown-none-elf", "riscv32-unknown-elf", "rv32imac", false);
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check_target("riscv32gc-unknown-linux-gnu", "riscv32-linux-gnu", "rv32gc", true);
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}
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