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Add codegen option for branch protection and pointer authentication on AArch64

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The branch-protection codegen option enables the use of hint-space pointer
authentication code for AArch64 targets
This commit is contained in:
James McGregor 2021-07-13 12:14:26 +01:00 • committed by Jamie Cunliffe
parent 2446a21595
commit 837cc1687f
12 changed files with 266 additions and 7 deletions
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9
compiler/rustc_interface/src/tests.rs
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@ -8,10 +8,11 @@ use rustc_session::config::{build_configuration, build_session_options, to_crate
use rustc_session::config::{
rustc_optgroups, ErrorOutputType, ExternLocation, LocationDetail, Options, Passes,
};
use rustc_session::config::{CFGuard, ExternEntry, LinkerPluginLto, LtoCli, SwitchWithOptPath};
use rustc_session::config::{
Externs, OutputType, OutputTypes, SymbolManglingVersion, WasiExecModel,
BranchProtection, Externs, OutputType, OutputTypes, PAuthKey, PacRet, SymbolManglingVersion,
WasiExecModel,
};
use rustc_session::config::{CFGuard, ExternEntry, LinkerPluginLto, LtoCli, SwitchWithOptPath};
use rustc_session::lint::Level;
use rustc_session::search_paths::SearchPath;
use rustc_session::utils::{CanonicalizedPath, NativeLib, NativeLibKind};
@ -566,6 +567,10 @@ fn test_codegen_options_tracking_hash() {
// Make sure that changing a [TRACKED] option changes the hash.
// This list is in alphabetical order.
tracked!(
branch_protection,
BranchProtection { bti: true, pac_ret: Some(PacRet { leaf: true, key: PAuthKey::B }) }
);
tracked!(code_model, Some(CodeModel::Large));
tracked!(control_flow_guard, CFGuard::Checks);
tracked!(debug_assertions, Some(true));