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(wip) Migrate branch-protection-check-IBT to rmake

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This commit is contained in:
Jerry Wang 2024-06-22 20:16:51 -04:00
parent ac47dbad50
commit 75a9379c0f
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2 changed files with 37 additions and 0 deletions
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6
tests/run-make/branch-protection-check-IBT/Makefile
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@ -7,6 +7,12 @@ include ../tools.mk
# only-x86_64
# ignore-test
# FIXME(jieyouxu): This test never runs because the `ifeq` check on line 17
# compares `x86` to `x86_64`, which always evaluates to false.
# When the test does run, the compilation does not include `.note.gnu.property`.
# See https://github.com/rust-lang/rust/pull/126720 for more information.
all:
ifeq ($(filter x86,$(LLVM_COMPONENTS)),x86_64)
$(RUSTC) --target x86_64-unknown-linux-gnu -Z cf-protection=branch -L$(TMPDIR) -C link-args='-nostartfiles' -C save-temps ./main.rs -o $(TMPDIR)/rsmain

31
tests/run-make/branch-protection-check-IBT/_rmake.rs Normal file
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@ -0,0 +1,31 @@
// Check for GNU Property Note
// How to run this
// python3 x.py test --target x86_64-unknown-linux-gnu tests/run-make/branch-protection-check-IBT/
//@ only-x86_64
//@ ignore-test
// FIXME(jieyouxu): see the FIXME in the Makefile
use run_make_support::llvm_readobj;
use run_make_support::rustc;
use run_make_support::{cwd, env_var};
fn main() {
let llvm_components = env_var("LLVM_COMPONENTS");
if !format!(" {llvm_components} ").contains(" x86 ") {
return;
}
rustc()
.input("main.rs")
.target("x86_64-unknown-linux-gnu")
.arg("-Zcf-protection=branch")
.arg(format!("-L{}", cwd().display()))
.arg("-Clink-args=-nostartfiles")
.arg("-Csave-temps")
.run();
llvm_readobj().arg("-nW").input("main").run().assert_stdout_contains(".note.gnu.property");
}