From 18f8f1c2c8f7d835b5fcf068c6e7d30bf7c1315e Mon Sep 17 00:00:00 2001
From: iSolo <solomakha.eugene@gmail.com>
Date: Wed, 10 Apr 2024 18:59:15 +0300
Subject: [PATCH] Use RtlCaptureStackBackTrace instead of StackWalk64 in case
 of missing context

---
 backward.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/backward.hpp b/backward.hpp
index 670aa45..53259af 100644
--- a/backward.hpp
+++ b/backward.hpp
@@ -1136,6 +1136,15 @@ class StackTraceImpl<system_tag::current_tag> : public StackTraceImplHolder {
                    void *error_addr = nullptr) {
     set_context(static_cast<CONTEXT*>(context));
     set_error_addr(error_addr);
+
+    if (!context) {
+      _stacktrace.resize(depth);
+      const WORD capturedFrames = RtlCaptureStackBackTrace(
+          0, static_cast<DWORD>(depth), _stacktrace.data(), NULL);
+      _stacktrace.resize(capturedFrames);
+      return capturedFrames;
+    }
+
     CONTEXT localCtx; // used when no context is provided
 
     if (depth == 0) {