From d3f2d11ae603d1c68c3c29d164c3c7b8dbe56f27 Mon Sep 17 00:00:00 2001
From: Chad Engler <englercj@live.com>
Date: Wed, 7 Apr 2021 20:33:40 -0700
Subject: [PATCH] Fix ARM compilation for windows. (#401)

---
 src/stacktrace_windows.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/stacktrace_windows.cpp b/src/stacktrace_windows.cpp
index a44c51b..60ef6c7 100644
--- a/src/stacktrace_windows.cpp
+++ b/src/stacktrace_windows.cpp
@@ -71,7 +71,17 @@ namespace {
       frame.AddrPC.Mode = AddrModeFlat;
       frame.AddrFrame.Mode = AddrModeFlat;
       frame.AddrStack.Mode = AddrModeFlat;
-#ifdef _M_X64
+#if defined(_M_ARM64)
+      frame.AddrPC.Offset = context->Pc;
+      frame.AddrFrame.Offset = context->Fp;
+      frame.AddrStack.Offset = context->Sp;
+      machine_type = IMAGE_FILE_MACHINE_ARM64;
+#elif defined(_M_ARM)
+      frame.AddrPC.Offset = context->Pc;
+      frame.AddrFrame.Offset = context->R11;
+      frame.AddrStack.Offset = context->Sp;
+      machine_type = IMAGE_FILE_MACHINE_ARM;
+#elif defined(_M_X64)
       frame.AddrPC.Offset = context->Rip;
       frame.AddrFrame.Offset = context->Rbp;
       frame.AddrStack.Offset = context->Rsp;