Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/test/assembly/pie-relocation-model.rs b/src/test/assembly/pie-relocation-model.rs
new file mode 100644
index 000000000..e40797e03
--- /dev/null
+++ b/src/test/assembly/pie-relocation-model.rs
@@ -0,0 +1,38 @@
+// revisions: x64
+// assembly-output: emit-asm
+// [x64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=pie
+// [x64] needs-llvm-components: x86
+
+
+#![feature(no_core, lang_items)]
+#![no_core]
+#![crate_type="rlib"]
+
+#[lang = "sized"]
+trait Sized {}
+#[lang = "copy"]
+trait Copy {}
+
+// CHECK-LABEL: call_other_fn:
+// With PIE local functions are called "directly".
+// CHECK:       {{(jmp|callq)}} other_fn
+#[no_mangle]
+pub fn call_other_fn() -> u8 {
+    unsafe {
+        other_fn()
+    }
+}
+
+// CHECK-LABEL: other_fn:
+// External functions are still called through GOT, since we don't know if the symbol
+// is defined in the binary or in the shared library.
+// CHECK:       callq *foreign_fn@GOTPCREL(%rip)
+#[no_mangle]
+#[inline(never)]
+pub fn other_fn() -> u8 {
+    unsafe {
+        foreign_fn()
+    }
+}
+
+extern "C" {fn foreign_fn() -> u8;}