diff options
Diffstat (limited to 'src/test/codegen/pie-relocation-model.rs')
-rw-r--r-- | src/test/codegen/pie-relocation-model.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/codegen/pie-relocation-model.rs b/src/test/codegen/pie-relocation-model.rs new file mode 100644 index 000000000..a843202a9 --- /dev/null +++ b/src/test/codegen/pie-relocation-model.rs @@ -0,0 +1,22 @@ +// compile-flags: -C relocation-model=pie +// 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 zeroext i8 @foreign_fn() +extern "C" {fn foreign_fn() -> u8;} + +// CHECK: !{i32 7, !"PIC Level", i32 2} +// CHECK: !{i32 7, !"PIE Level", i32 2} |