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linux prctl add speculation control flags #2838

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Jul 20, 2022
Merged

linux prctl add speculation control flags #2838

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13 changes: 13 additions & 0 deletions src/unix/linux_like/linux/gnu/b64/x86_64/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -626,6 +626,19 @@ pub const PTRACE_PEEKSIGINFO_SHARED: ::c_uint = 1;
pub const PTRACE_SYSEMU: ::c_uint = 31;
pub const PTRACE_SYSEMU_SINGLESTEP: ::c_uint = 32;

pub const PR_GET_SPECULATION_CTRL: ::c_int = 52;
pub const PR_SET_SPECULATION_CTRL: ::c_int = 53;
pub const PR_SPEC_NOT_AFFECTED: ::c_uint = 0;
pub const PR_SPEC_PRCTL: ::c_uint = 1 << 0;
pub const PR_SPEC_ENABLE: ::c_uint = 1 << 1;
pub const PR_SPEC_DISABLE: ::c_uint = 1 << 2;
pub const PR_SPEC_FORCE_DISABLE: ::c_uint = 1 << 3;
pub const PR_SPEC_DISABLE_NOEXEC: ::c_uint = 1 << 4;
pub const PR_SPEC_STORE_BYPASS: ::c_int = 0;
pub const PR_SPEC_INDIRECT_BRANCH: ::c_int = 1;
// FIXME: perharps for later
//pub const PR_SPEC_L1D_FLUSH: ::c_int = 2;

pub const MCL_CURRENT: ::c_int = 0x0001;
pub const MCL_FUTURE: ::c_int = 0x0002;

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