Apple Mac M1 build fix. (#392)

backward-cpp dependency fix for ARM 64 backport, wrong access to PC register.
facontidavide · Jan 23, 2021 · 1f8368a · 1f8368a
1 parent 6dc10a3
commit 1f8368a
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/3rdparty/backward-cpp/backward.hpp b/3rdparty/backward-cpp/backward.hpp
@@ -3928,7 +3928,11 @@ class SignalHandling {
 #elif defined(__arm__)
     error_addr = reinterpret_cast<void *>(uctx->uc_mcontext.arm_pc);
 #elif defined(__aarch64__)
-    error_addr = reinterpret_cast<void *>(uctx->uc_mcontext.pc);
+   #if defined(__APPLE__)
+     error_addr = reinterpret_cast<void *>(uctx->uc_mcontext->__ss.__pc);
+   #else
+     error_addr = reinterpret_cast<void *>(uctx->uc_mcontext.pc);
+   #endif
 #elif defined(__mips__)
     error_addr = reinterpret_cast<void *>(reinterpret_cast<struct sigcontext*>(&uctx->uc_mcontext)->sc_pc);
 #elif defined(__ppc__) || defined(__powerpc) || defined(__powerpc__) ||        \