diff --git a/src/unix/bsd/netbsdlike/netbsd/aarch64.rs b/src/unix/bsd/netbsdlike/netbsd/aarch64.rs
index 6aa9950ed1053d17940518e8db2f69f74e8a12a3..6a7ac4a520aa68e7b3ba42558b711eb6782301fd 100644
--- a/src/unix/bsd/netbsdlike/netbsd/aarch64.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/aarch64.rs
@@ -1,3 +1,10 @@
+use self::*;
+
 pub type c_long = i64;
 pub type c_ulong = u64;
 pub type c_char = u8;
+
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 0;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 2;
+pub const PT_SETFPREGS: ::c_int = PT_FIRSTMACH + 3;
diff --git a/src/unix/bsd/netbsdlike/netbsd/arm.rs b/src/unix/bsd/netbsdlike/netbsd/arm.rs
index 377e05be07e1744048e96e3d0953112ce6236766..dc79cf3dbf0079c83d90a1ac12e381dd8cbe4112 100644
--- a/src/unix/bsd/netbsdlike/netbsd/arm.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/arm.rs
@@ -1,3 +1,10 @@
+use self::*;
+
 pub type c_long = i32;
 pub type c_ulong = u32;
 pub type c_char = u8;
+
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 2;
+pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 3;
+pub const PT_SETFPREGS: ::c_int = PT_FIRSTMACH + 4;
diff --git a/src/unix/bsd/netbsdlike/netbsd/powerpc.rs b/src/unix/bsd/netbsdlike/netbsd/powerpc.rs
index 377e05be07e1744048e96e3d0953112ce6236766..d41746ef0e83f4fa036ab54ae4e4849c5159952f 100644
--- a/src/unix/bsd/netbsdlike/netbsd/powerpc.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/powerpc.rs
@@ -1,3 +1,9 @@
+use self::*;
+
 pub type c_long = i32;
 pub type c_ulong = u32;
 pub type c_char = u8;
+
+pub const PT_STEP: ::c_int = PT_FIRSTMACH + 0;
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 2;
diff --git a/src/unix/bsd/netbsdlike/netbsd/x86_64.rs b/src/unix/bsd/netbsdlike/netbsd/x86_64.rs
index 27b94126688fbb59c5184c9c098a28a248fb6a3a..2d56a810e1aa7e1538019bea6abb76ff13ad046f 100644
--- a/src/unix/bsd/netbsdlike/netbsd/x86_64.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/x86_64.rs
@@ -1,3 +1,15 @@
+use self::*;
+
 pub type c_long = i64;
 pub type c_ulong = u64;
 pub type c_char = i8;
+
+pub const PT_STEP: ::c_int = PT_FIRSTMACH + 0;
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 2;
+pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 3;
+pub const PT_SETFPREGS: ::c_int = PT_FIRSTMACH + 4;
+pub const PT_GETDBREGS: ::c_int = PT_FIRSTMACH + 5;
+pub const PT_SETDBREGS: ::c_int = PT_FIRSTMACH + 6;
+pub const PT_SETSTEP: ::c_int = PT_FIRSTMACH + 7;
+pub const PT_CLEARSTEP: ::c_int = PT_FIRSTMACH + 8;