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6863023: need non-perm oops in code cache for JSR 292

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Make a special root-list for those few nmethods which might contain non-perm oops.

Reviewed-by: twisti, kvn, never, jmasa, ysr
This commit is contained in:
John R Rose 2009-09-15 21:53:47 -07:00
parent 1cf5b7ae11
commit e261aecad8
74 changed files with 979 additions and 279 deletions
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17
hotspot/src/share/vm/runtime/thread.hpp
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@ -374,7 +374,8 @@ class Thread: public ThreadShadow {
// GC support
// Apply "f->do_oop" to all root oops in "this".
void oops_do(OopClosure* f);
// Apply "cf->do_code_blob" (if !NULL) to all code blobs active in frames
void oops_do(OopClosure* f, CodeBlobClosure* cf);
// Handles the parallel case for the method below.
private:
@ -398,7 +399,7 @@ public:
}
// Sweeper support
void nmethods_do();
void nmethods_do(CodeBlobClosure* cf);
// Tells if adr belong to this thread. This is used
// for checking if a lock is owned by the running thread.
@ -1238,10 +1239,10 @@ class JavaThread: public Thread {
void frames_do(void f(frame*, const RegisterMap*));
// Memory operations
void oops_do(OopClosure* f);
void oops_do(OopClosure* f, CodeBlobClosure* cf);
// Sweeper operations
void nmethods_do();
void nmethods_do(CodeBlobClosure* cf);
// Memory management operations
void gc_epilogue();
@ -1629,9 +1630,9 @@ class Threads: AllStatic {
// Apply "f->do_oop" to all root oops in all threads.
// This version may only be called by sequential code.
static void oops_do(OopClosure* f);
static void oops_do(OopClosure* f, CodeBlobClosure* cf);
// This version may be called by sequential or parallel code.
static void possibly_parallel_oops_do(OopClosure* f);
static void possibly_parallel_oops_do(OopClosure* f, CodeBlobClosure* cf);
// This creates a list of GCTasks, one per thread.
static void create_thread_roots_tasks(GCTaskQueue* q);
// This creates a list of GCTasks, one per thread, for marking objects.
@ -1639,13 +1640,13 @@ class Threads: AllStatic {
// Apply "f->do_oop" to roots in all threads that
// are part of compiled frames
static void compiled_frame_oops_do(OopClosure* f);
static void compiled_frame_oops_do(OopClosure* f, CodeBlobClosure* cf);
static void convert_hcode_pointers();
static void restore_hcode_pointers();
// Sweeper
static void nmethods_do();
static void nmethods_do(CodeBlobClosure* cf);
static void gc_epilogue();
static void gc_prologue();