archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 02:54:35 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8153123: Streamline StackWalker code

Browse source 
Reviewed-by: coleenp, dfuchs, mchung, redestad
This commit is contained in:
Brent Christian 2016-04-08 12:26:29 -07:00
parent 87d68625af
commit 2d2abce433
9 changed files with 91 additions and 262 deletions
Download patch file Download diff file Expand all files Collapse all files

19
hotspot/src/share/vm/prims/stackwalk.hpp
View file

@ -45,12 +45,12 @@ public:
vframeStream& vframe_stream() { return _vfst; }
JavaThread* thread() { return _thread; }
void setup_magic_on_entry(objArrayHandle classes_array);
bool check_magic(objArrayHandle classes_array);
bool cleanup_magic_on_exit(objArrayHandle classes_array);
void setup_magic_on_entry(objArrayHandle frames_array);
bool check_magic(objArrayHandle frames_array);
bool cleanup_magic_on_exit(objArrayHandle frames_array);
bool is_valid_in(Thread* thread, objArrayHandle classes_array) {
return (_thread == thread && check_magic(classes_array));
bool is_valid_in(Thread* thread, objArrayHandle frames_array) {
return (_thread == thread && check_magic(frames_array));
}
jlong address_value() {
@ -64,7 +64,6 @@ class StackWalk : public AllStatic {
private:
static int fill_in_frames(jlong mode, vframeStream& vfst,
int max_nframes, int start_index,
objArrayHandle classes_array,
objArrayHandle frames_array,
int& end_index, TRAPS);
@ -82,20 +81,18 @@ private:
static inline bool live_frame_info(int mode) {
return (mode & JVM_STACKWALK_FILL_LIVE_STACK_FRAMES) != 0;
}
static inline bool fill_in_stacktrace(int mode) {
return (mode & JVM_STACKWALK_FILTER_FILL_IN_STACK_TRACE) != 0;
}
public:
static inline bool use_frames_array(int mode) {
return (mode & JVM_STACKWALK_FILL_CLASS_REFS_ONLY) == 0;
}
static oop walk(Handle stackStream, jlong mode,
int skip_frames, int frame_count, int start_index,
objArrayHandle classes_array,
objArrayHandle frames_array,
TRAPS);
static jint moreFrames(Handle stackStream, jlong mode, jlong magic,
int frame_count, int start_index,
objArrayHandle classes_array,
objArrayHandle frames_array,
TRAPS);
};