--- a/src/hotspot/share/utilities/vmError.cpp Sun Oct 14 19:07:34 2018 -0700
+++ b/src/hotspot/share/utilities/vmError.cpp Mon Oct 15 08:08:02 2018 +0200
@@ -756,6 +756,24 @@
st->cr();
}
+ STEP("inspecting top of stack")
+
+ // decode stack contents if possible
+ if (_verbose && _context && Universe::is_fully_initialized()) {
+ frame fr = os::fetch_frame_from_context(_context);
+ const int slots = 8;
+ const intptr_t *start = fr.sp();
+ const intptr_t *end = start + slots;
+ if (is_aligned(start, sizeof(intptr_t)) && os::is_readable_range(start, end)) {
+ st->print_cr("Stack slot to memory mapping:");
+ for (int i = 0; i < slots; ++i) {
+ st->print("stack at sp + %d slots: ", i);
+ os::print_location(st, *(start + i));
+ }
+ }
+ st->cr();
+ }
+
STEP("printing code blob if possible")
if (_verbose && _context) {