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linux arm64 pointer, prctl auth control follow-up. #2837

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Merged
merged 1 commit into from
Jul 2, 2022
Merged

linux arm64 pointer, prctl auth control follow-up. #2837

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3 changes: 3 additions & 0 deletions libc-test/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3182,6 +3182,9 @@ fn test_linux(target: &str) {
// GRND_INSECURE was added in glibc-2.32
"GRND_INSECURE" => true,

// present in recent kernels only
"PR_PAC_SET_ENABLED_KEYS" | "PR_PAC_GET_ENABLED_KEYS" => true,

_ => false,
}
});
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10 changes: 10 additions & 0 deletions src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs
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Expand Up @@ -576,10 +576,20 @@ pub const HWCAP_PACG: ::c_ulong = 1 << 31;
//pub const HWCAP2_MTE: ::c_ulong = 1 << 18;

// linux/prctl.h
pub const PR_PAC_RESET_KEYS: ::c_int = 54;
pub const PR_SET_TAGGED_ADDR_CTRL: ::c_int = 55;
pub const PR_GET_TAGGED_ADDR_CTRL: ::c_int = 56;
pub const PR_PAC_SET_ENABLED_KEYS: ::c_int = 60;
pub const PR_PAC_GET_ENABLED_KEYS: ::c_int = 61;

pub const PR_TAGGED_ADDR_ENABLE: ::c_ulong = 1;

pub const PR_PAC_APIAKEY: ::c_ulong = 1 << 0;
pub const PR_PAC_APIBKEY: ::c_ulong = 1 << 1;
pub const PR_PAC_APDAKEY: ::c_ulong = 1 << 2;
pub const PR_PAC_APDBKEY: ::c_ulong = 1 << 3;
pub const PR_PAC_APGAKEY: ::c_ulong = 1 << 4;

// Syscall table
pub const SYS_io_setup: ::c_long = 0;
pub const SYS_io_destroy: ::c_long = 1;
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