Sha256: 6792beb4222ff09fc9741ff9f933d12e6d217797ae1642be2d77c1c3733642ab
Contents?: true
Size: 1.88 KB
Versions: 12
Compression:
Stored size: 1.88 KB
Contents
use crate::cdsl::isa::TargetIsa;
use crate::cdsl::settings::{SettingGroup, SettingGroupBuilder};
use crate::shared::Definitions as SharedDefinitions;
fn define_settings(_shared: &SettingGroup) -> SettingGroup {
let mut setting = SettingGroupBuilder::new("arm64");
setting.add_bool(
"has_lse",
"Has Large System Extensions (FEAT_LSE) support.",
"",
false,
);
setting.add_bool(
"has_pauth",
"Has Pointer authentication (FEAT_PAuth) support; enables the use of \
non-HINT instructions, but does not have an effect on code generation \
by itself.",
"",
false,
);
setting.add_bool(
"sign_return_address_all",
"If function return address signing is enabled, then apply it to all \
functions; does not have an effect on code generation by itself.",
"",
false,
);
setting.add_bool(
"sign_return_address",
"Use pointer authentication instructions to sign function return \
addresses; HINT-space instructions using the A key are generated \
and simple functions that do not use the stack are not affected \
unless overridden by other settings.",
"",
false,
);
setting.add_bool(
"sign_return_address_with_bkey",
"Use the B key with pointer authentication instructions instead of \
the default A key; does not have an effect on code generation by \
itself. Some platform ABIs may require this, for example.",
"",
false,
);
setting.add_bool(
"use_bti",
"Use Branch Target Identification (FEAT_BTI) instructions.",
"",
false,
);
setting.build()
}
pub(crate) fn define(shared_defs: &mut SharedDefinitions) -> TargetIsa {
let settings = define_settings(&shared_defs.settings);
TargetIsa::new("arm64", settings)
}
Version data entries
12 entries across 12 versions & 1 rubygems