Auto merge of #2376 - devnexen:fbsd_procctl_amd64, r=JohnTitor

freebsd procctl amd64 special flags additions.

Author: bors

src/unix/bsd/freebsdlike/freebsd/freebsd12/mod.rs

@@ -205,6 +205,8 @@ pub const RAND_MAX: ::c_int = 0x7fff_fffd;
 pub const PROC_ASLR_CTL: ::c_int = 13;
 pub const PROC_ASLR_STATUS: ::c_int = 14;
 
+pub const PROC_PROCCTL_MD_MIN: ::c_int = 0x10000000;
+
 pub const SO_DOMAIN: ::c_int = 0x1019;
 
 pub const EINTEGRITY: ::c_int = 97;
@@ -244,3 +246,10 @@ cfg_if! {
         pub use self::b64::*;
     }
 }
+
+cfg_if! {
+    if #[cfg(target_arch = "x86_64")] {
+        mod x86_64;
+        pub use self::x86_64::*;
+    }
+}

src/unix/bsd/freebsdlike/freebsd/freebsd12/x86_64.rs

@@ -0,0 +1,5 @@
+pub const PROC_KPTI_CTL: ::c_int = ::PROC_PROCCTL_MD_MIN;
+pub const PROC_KPTI_CTL_ENABLE_ON_EXEC: ::c_int = 1;
+pub const PROC_KPTI_CTL_DISABLE_ON_EXEC: ::c_int = 2;
+pub const PROC_KPTI_STATUS: ::c_int = ::PROC_PROCCTL_MD_MIN + 1;
+pub const PROC_KPTI_STATUS_ACTIVE: ::c_int = 0x80000000;

src/unix/bsd/freebsdlike/freebsd/freebsd13/mod.rs

@@ -223,6 +223,7 @@ pub const PROC_ASLR_CTL: ::c_int = 13;
 pub const PROC_ASLR_STATUS: ::c_int = 14;
 pub const PROC_PROTMAX_CTL: ::c_int = 15;
 pub const PROC_PROTMAX_STATUS: ::c_int = 16;
+pub const PROC_PROCCTL_MD_MIN: ::c_int = 0x10000000;
 
 pub const LOCAL_CREDS_PERSISTENT: ::c_int = 3;
 pub const SCM_CREDS2: ::c_int = 0x08;
@@ -275,3 +276,10 @@ cfg_if! {
         pub use self::b64::*;
     }
 }
+
+cfg_if! {
+    if #[cfg(target_arch = "x86_64")] {
+        mod x86_64;
+        pub use self::x86_64::*;
+    }
+}

src/unix/bsd/freebsdlike/freebsd/freebsd13/x86_64.rs

@@ -0,0 +1,5 @@
+pub const PROC_KPTI_CTL: ::c_int = ::PROC_PROCCTL_MD_MIN;
+pub const PROC_KPTI_CTL_ENABLE_ON_EXEC: ::c_int = 1;
+pub const PROC_KPTI_CTL_DISABLE_ON_EXEC: ::c_int = 2;
+pub const PROC_KPTI_STATUS: ::c_int = ::PROC_PROCCTL_MD_MIN + 1;
+pub const PROC_KPTI_STATUS_ACTIVE: ::c_int = 0x80000000;