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-rw-r--r--tests/codegen/pie-relocation-model.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/codegen/pie-relocation-model.rs b/tests/codegen/pie-relocation-model.rs
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+++ b/tests/codegen/pie-relocation-model.rs
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+// 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 zeroext i8 @foreign_fn()
+extern "C" {fn foreign_fn() -> u8;}
+
+// CHECK: !{i32 {{[78]}}, !"PIC Level", i32 2}
+// CHECK: !{i32 7, !"PIE Level", i32 2}