$NetBSD$

--- v8/src/trap-handler/handler-inside-posix.cc.orig	2020-07-15 19:01:44.000000000 +0000
+++ v8/src/trap-handler/handler-inside-posix.cc
@@ -27,7 +27,7 @@
 
 #include <signal.h>
 
-#if defined(V8_OS_LINUX) || defined(V8_OS_FREEBSD)
+#if defined(V8_OS_LINUX) || defined(V8_OS_FREEBSD) || defined(V8_OS_NETBSD)
 #include <ucontext.h>
 #elif V8_OS_MACOSX
 #include <sys/ucontext.h>
@@ -114,6 +114,8 @@ bool TryHandleSignal(int signum, siginfo
     auto* context_rip = &uc->uc_mcontext->__ss.__rip;
 #elif V8_OS_FREEBSD
     auto* context_rip = &uc->uc_mcontext.mc_rip;
+#elif V8_OS_NETBSD
+    auto* context_rip = &_UC_MACHINE_PC(uc);
 #else
 #error Unsupported platform
 #endif