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src/hotspot/share/utilities/vmError.cpp
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rev 52037 : 8211852: inspect stack during error reporting
Reviewed-by:
@@ -746,10 +746,28 @@
if (_verbose && _context && Universe::is_fully_initialized()) {
os::print_register_info(st, _context);
st->cr();
}
+ STEP("printing top of stack info")
+
+ // 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 registers, top of stack, instructions near pc")
// registers, top of stack, instructions near pc
if (_verbose && _context) {
os::print_context(st, _context);
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