From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/assembly/pie-relocation-model.rs | 38 +++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 src/test/assembly/pie-relocation-model.rs (limited to 'src/test/assembly/pie-relocation-model.rs') 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;} -- cgit v1.2.3