From 3001dfeb97adebf0cb326d9aa664098e0aced5b5 Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Fri, 16 Oct 2026 14:09:08 +0000
Subject: fix(jit): always emit DWARF unwind frames on macOS

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
---
 tools/driver/EmbeddedRunner.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'tools')

diff --git a/tools/driver/EmbeddedRunner.cc b/tools/driver/EmbeddedRunner.cc
index cad1f84..05890ac 100644
--- a/tools/driver/EmbeddedRunner.cc
+++ b/tools/driver/EmbeddedRunner.cc
@@ -7,6 +7,7 @@
 #include "llvm/Support/TargetSelect.h"
 #include "llvm/TargetParser/Host.h"
 #include "llvm/TargetParser/Triple.h"
+#include "llvm/Target/TargetOptions.h"
 #include "llvm/Transforms/Utils/Cloning.h"
 #include <cstdio>
 #include <cstdlib>
@@ -66,6 +67,12 @@ int runEmbedded(const cps::CodeGen &CG) {
     llvm::EngineBuilder Builder(std::move(Module));
     Builder.setEngineKind(llvm::EngineKind::JIT);
     Builder.setErrorStr(&Error);
+#ifdef __APPLE__
+    // MCJIT registers DWARF frames, not Darwin's compact unwind records.
+    llvm::TargetOptions Options;
+    Options.MCOptions.EmitDwarfUnwind = llvm::EmitDwarfUnwindType::Always;
+    Builder.setTargetOptions(Options);
+#endif
     Builder.setMCJITMemoryManager(std::make_unique<llvm::SectionMemoryManager>());
     std::unique_ptr<llvm::ExecutionEngine> Engine(Builder.create());
     if (!Engine) {
-- 
cgit v1.3.1-4-g156e