92eb4450fa
minicore makes it much easier to add new language items to all of the existing `no_core` tests.
34 lines
839 B
Rust
34 lines
839 B
Rust
//@ add-core-stubs
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//@ revisions: x64
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//@ assembly-output: emit-asm
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//@ [x64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=pie
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//@ [x64] needs-llvm-components: x86
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#![feature(no_core, lang_items)]
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#![no_core]
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#![crate_type = "rlib"]
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extern crate minicore;
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use minicore::*;
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// CHECK-LABEL: call_other_fn:
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// With PIE local functions are called "directly".
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// CHECK: {{(jmp|callq)}} other_fn
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#[no_mangle]
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pub fn call_other_fn() -> u8 {
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unsafe { other_fn() }
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}
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// CHECK-LABEL: other_fn:
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// External functions are still called through GOT, since we don't know if the symbol
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// is defined in the binary or in the shared library.
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// CHECK: callq *foreign_fn@GOTPCREL(%rip)
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#[no_mangle]
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#[inline(never)]
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pub fn other_fn() -> u8 {
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unsafe { foreign_fn() }
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}
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extern "C" {
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fn foreign_fn() -> u8;
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}
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