提交 12ade74f 编写于 作者: C cfang

6848466: frame::frame_size() assertion failure with -XX:+DebugDeoptimization

Summary: add a RegisterMap* argument to frame::frame_size() to correctly compute the sender frame
Reviewed-by: never
上级 7ad906d8
......@@ -59,7 +59,7 @@ inline bool frame::is_younger(intptr_t* id) const { assert(this->id() != NULL &&
inline bool frame::is_older(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id");
return this->id() > id ; }
inline int frame::frame_size() const { return sender_sp() - sp(); }
inline int frame::frame_size(RegisterMap* map) const { return sender_sp() - sp(); }
inline intptr_t* frame::link() const { return (intptr_t *)(fp()[FP->sp_offset_in_saved_window()] + STACK_BIAS); }
......
......@@ -237,9 +237,8 @@ bool frame::is_interpreted_frame() const {
return Interpreter::contains(pc());
}
int frame::frame_size() const {
RegisterMap map(JavaThread::current(), false);
frame sender = this->sender(&map);
int frame::frame_size(RegisterMap* map) const {
frame sender = this->sender(map);
return sender.sp() - sp();
}
......
......@@ -117,7 +117,7 @@ class frame VALUE_OBJ_CLASS_SPEC {
bool can_be_deoptimized() const;
// returns the frame size in stack slots
int frame_size() const;
int frame_size(RegisterMap* map) const;
// returns the sending frame
frame sender(RegisterMap* map) const;
......
......@@ -559,7 +559,8 @@ void javaVFrame::print_value() const {
}
// Check frame size and print warning if it looks suspiciously large
if (fr().sp() != NULL) {
uint size = fr().frame_size();
RegisterMap map = *register_map();
uint size = fr().frame_size(&map);
#ifdef _LP64
if (size > 8*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size);
#else
......
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