From 25542c3443c616d0ef546e424619cf88553d9b59 Mon Sep 17 00:00:00 2001
From: Michael Dusan <michael.dusan@gmail.com>
Date: Tue, 15 Aug 2023 17:20:04 -0400
Subject: [PATCH] netbsd: std.c.REG: populate indexes for x86_64

---
 lib/std/c/netbsd.zig | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/lib/std/c/netbsd.zig b/lib/std/c/netbsd.zig
index 4b627ed083..1986d4e9bc 100644
--- a/lib/std/c/netbsd.zig
+++ b/lib/std/c/netbsd.zig
@@ -1227,9 +1227,32 @@ pub const REG = switch (builtin.cpu.arch) {
         pub const PC = 15;
     },
     .x86_64 => struct {
+        pub const RDI = 0;
+        pub const RSI = 1;
+        pub const RDX = 2;
+        pub const RCX = 3;
+        pub const R8 = 4;
+        pub const R9 = 5;
+        pub const R10 = 6;
+        pub const R11 = 7;
+        pub const R12 = 8;
+        pub const R13 = 9;
+        pub const R14 = 10;
+        pub const R15 = 11;
         pub const RBP = 12;
+        pub const RBX = 13;
+        pub const RAX = 14;
+        pub const GS = 15;
+        pub const FS = 16;
+        pub const ES = 17;
+        pub const DS = 18;
+        pub const TRAPNO = 19;
+        pub const ERR = 20;
         pub const RIP = 21;
+        pub const CS = 22;
+        pub const RFLAGS = 23;
         pub const RSP = 24;
+        pub const SS = 25;
     },
     else => struct {},
 };