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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-21 14:34:12 +0200 |
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-22 14:28:48 +0200 |
| commit | a27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch) | |
| tree | b033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/pie-relocation-model.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen-llvm/pie-relocation-model.rs')
| -rw-r--r-- | tests/codegen-llvm/pie-relocation-model.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/codegen-llvm/pie-relocation-model.rs b/tests/codegen-llvm/pie-relocation-model.rs new file mode 100644 index 00000000000..cb8de91ccd7 --- /dev/null +++ b/tests/codegen-llvm/pie-relocation-model.rs @@ -0,0 +1,22 @@ +//@ compile-flags: -C relocation-model=pie -Copt-level=0 +//@ only-x86_64-unknown-linux-gnu + +#![crate_type = "rlib"] + +// With PIE we know local functions cannot be interpositioned, we can mark them +// as dso_local. +// CHECK: define dso_local i8 @call_foreign_fn() +#[no_mangle] +pub fn call_foreign_fn() -> u8 { + unsafe { foreign_fn() } +} + +// External functions are still marked as non-dso_local, since we don't know if the symbol +// is defined in the binary or in the shared library. +// CHECK: declare i8 @foreign_fn() +extern "C" { + fn foreign_fn() -> u8; +} + +// CHECK: !{i32 {{[78]}}, !"PIC Level", i32 2} +// CHECK: !{i32 7, !"PIE Level", i32 2} |
