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10edeea4b4
Add a new 'pc' option to -Z branch-protection for aarch64 that enables the use of PC as a diversifier in PAC branch protection code. When the pauth-lr target feature is enabled in combination with -Z branch-protection=pac-ret,pc, the new 9.5-a instructions (pacibsppc, retaasppc, etc) will be generated.
31 lines
810 B
Rust
31 lines
810 B
Rust
// Test that PAC instructions are emitted when branch-protection is specified.
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//@ revisions: PACRET PAUTHLR_NOP PAUTHLR
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//@ assembly-output: emit-asm
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//@ needs-llvm-components: aarch64
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//@ compile-flags: --target aarch64-unknown-linux-gnu
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//@ [PACRET] compile-flags: -Z branch-protection=pac-ret,leaf
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//@ [PAUTHLR_NOP] compile-flags: -Z branch-protection=pac-ret,pc,leaf
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//@ [PAUTHLR] compile-flags: -C target-feature=+pauth-lr -Z branch-protection=pac-ret,pc,leaf
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//@ min-llvm-version: 19
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#![feature(no_core, lang_items)]
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#![no_std]
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#![no_core]
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#![crate_type = "lib"]
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#[lang = "sized"]
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trait Sized {}
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// PACRET: hint #25
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// PACRET: hint #29
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// PAUTHLR_NOP: hint #25
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// PAUTHLR_NOP: hint #39
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// PAUTHLR_NOP: hint #29
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// PAUTHLR: paciasppc
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// PAUTHLR: autiasppc
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#[no_mangle]
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pub fn test() -> u8 {
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42
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}
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