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6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)

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During the work for 6829187 we have fixed a number of basic bugs which are logically grouped with 6815692 and 6858164 but which must be reviewed and pushed separately.

Reviewed-by: kvn, never
This commit is contained in:
Christian Thalinger 2010-01-04 18:38:08 +01:00
parent 14305ba3f4
commit caf28727eb
32 changed files with 242 additions and 84 deletions
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25
hotspot/src/share/vm/code/nmethod.hpp
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@ -81,18 +81,19 @@ class PcDescCache VALUE_OBJ_CLASS_SPEC {
struct nmFlags {
friend class VMStructs;
unsigned int version:8; // version number (0 = first version)
unsigned int level:4; // optimization level
unsigned int age:4; // age (in # of sweep steps)
unsigned int version:8; // version number (0 = first version)
unsigned int level:4; // optimization level
unsigned int age:4; // age (in # of sweep steps)
unsigned int state:2; // {alive, zombie, unloaded)
unsigned int state:2; // {alive, zombie, unloaded)
unsigned int isUncommonRecompiled:1; // recompiled because of uncommon trap?
unsigned int isToBeRecompiled:1; // to be recompiled as soon as it matures
unsigned int hasFlushedDependencies:1; // Used for maintenance of dependencies
unsigned int markedForReclamation:1; // Used by NMethodSweeper
unsigned int isUncommonRecompiled:1; // recompiled because of uncommon trap?
unsigned int isToBeRecompiled:1; // to be recompiled as soon as it matures
unsigned int hasFlushedDependencies:1; // Used for maintenance of dependencies
unsigned int markedForReclamation:1; // Used by NMethodSweeper
unsigned int has_unsafe_access:1; // May fault due to unsafe access.
unsigned int has_unsafe_access:1; // May fault due to unsafe access.
unsigned int has_method_handle_invokes:1; // Has this method MethodHandle invokes?
void clear();
};
@ -409,6 +410,9 @@ class nmethod : public CodeBlob {
bool has_unsafe_access() const { return flags.has_unsafe_access; }
void set_has_unsafe_access(bool z) { flags.has_unsafe_access = z; }
bool has_method_handle_invokes() const { return flags.has_method_handle_invokes; }
void set_has_method_handle_invokes(bool z) { flags.has_method_handle_invokes = z; }
int level() const { return flags.level; }
void set_level(int newLevel) { check_safepoint(); flags.level = newLevel; }
@ -541,6 +545,9 @@ class nmethod : public CodeBlob {
address get_original_pc(const frame* fr) { return *orig_pc_addr(fr); }
void set_original_pc(const frame* fr, address pc) { *orig_pc_addr(fr) = pc; }
// MethodHandle
bool is_method_handle_return(address return_pc);
// jvmti support:
void post_compiled_method_load_event();