diff --git a/vendor/golang.org/x/sys/unix/zptrace_x86_linux.go b/vendor/golang.org/x/sys/unix/zptrace_x86_linux.go
new file mode 100644
index 0000000..ea5d9cb
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/zptrace_x86_linux.go
@@ -0,0 +1,80 @@
+// Code generated by linux/mkall.go generatePtracePair("386", "amd64"). DO NOT EDIT.
+
+// +build linux
+// +build 386 amd64
+
+package unix
+
+import "unsafe"
+
+// PtraceRegs386 is the registers used by 386 binaries.
+type PtraceRegs386 struct {
+	Ebx      int32
+	Ecx      int32
+	Edx      int32
+	Esi      int32
+	Edi      int32
+	Ebp      int32
+	Eax      int32
+	Xds      int32
+	Xes      int32
+	Xfs      int32
+	Xgs      int32
+	Orig_eax int32
+	Eip      int32
+	Xcs      int32
+	Eflags   int32
+	Esp      int32
+	Xss      int32
+}
+
+// PtraceGetRegs386 fetches the registers used by 386 binaries.
+func PtraceGetRegs386(pid int, regsout *PtraceRegs386) error {
+	return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
+}
+
+// PtraceSetRegs386 sets the registers used by 386 binaries.
+func PtraceSetRegs386(pid int, regs *PtraceRegs386) error {
+	return ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs)))
+}
+
+// PtraceRegsAmd64 is the registers used by amd64 binaries.
+type PtraceRegsAmd64 struct {
+	R15      uint64
+	R14      uint64
+	R13      uint64
+	R12      uint64
+	Rbp      uint64
+	Rbx      uint64
+	R11      uint64
+	R10      uint64
+	R9       uint64
+	R8       uint64
+	Rax      uint64
+	Rcx      uint64
+	Rdx      uint64
+	Rsi      uint64
+	Rdi      uint64
+	Orig_rax uint64
+	Rip      uint64
+	Cs       uint64
+	Eflags   uint64
+	Rsp      uint64
+	Ss       uint64
+	Fs_base  uint64
+	Gs_base  uint64
+	Ds       uint64
+	Es       uint64
+	Fs       uint64
+	Gs       uint64
+}
+
+// PtraceGetRegsAmd64 fetches the registers used by amd64 binaries.
+func PtraceGetRegsAmd64(pid int, regsout *PtraceRegsAmd64) error {
+	return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
+}
+
+// PtraceSetRegsAmd64 sets the registers used by amd64 binaries.
+func PtraceSetRegsAmd64(pid int, regs *PtraceRegsAmd64) error {
+	return ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs)))
+}