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The host runtime (HIP or HSA) expects a kernel descriptor object for each kernel in the ELF file. The amdgpu LLVM backend generates the object. It is created as a symbol with the name of the kernel plus a `.kd` suffix. Add it to the exported symbols in the linker script, so that it can be found.
21 lines
694 B
Rust
21 lines
694 B
Rust
// On the amdhsa OS, the host runtime (HIP or HSA) expects a kernel descriptor object for each
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// kernel in the ELF file. The amdgpu LLVM backend generates the object. It is created as a symbol
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// with the name of the kernel plus a .kd suffix.
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// Check that the produced object has the .kd symbol exported.
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//@ needs-llvm-components: amdgpu
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//@ needs-rust-lld
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use run_make_support::{llvm_readobj, rustc};
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fn main() {
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rustc()
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.crate_name("foo")
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.target("amdgcn-amd-amdhsa")
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.arg("-Ctarget-cpu=gfx900")
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.crate_type("cdylib")
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.input("foo.rs")
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.run();
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llvm_readobj().input("foo.elf").symbols().run().assert_stdout_contains("kernel.kd");
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}
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