Don't assume libunwind can always find a function pointer.

JuliaLang · Oct 6, 2017 · 57e164b · 57e164b
1 parent 50766d7
commit 57e164b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/debuginfo.cpp b/src/debuginfo.cpp
@@ -748,7 +748,8 @@ static void get_function_name_and_base(const object::ObjectFile *object, bool in
         unw_proc_info_t pip;
         if (unw_get_proc_info_by_ip(unw_local_addr_space, pointer, &pip, NULL) == 0) {
             *saddr = (void*)pip.start_ip;
-            needs_saddr = false;
+            // Seems that libunwind may return NULL IP depending on what info it finds...
+            needs_saddr = (*saddr != nullptr);
         }
 #endif
 #if defined(_OS_WINDOWS_) && defined(_CPU_X86_64_)