8024469: PPC64 (part 202): cppInterpreter: support for OSR.
Summary: Call OSR migration with last java frame.
Reviewed-by: kvn
--- a/hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp Thu Sep 12 13:51:13 2013 -0700
+++ b/hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp Fri Sep 13 22:50:47 2013 +0200
@@ -345,7 +345,9 @@
nmethod* osr_nmethod; \
OSR_REQUEST(osr_nmethod, branch_pc); \
if (osr_nmethod != NULL && osr_nmethod->osr_entry_bci() != InvalidOSREntryBci) { \
- intptr_t* buf = SharedRuntime::OSR_migration_begin(THREAD); \
+ intptr_t* buf; \
+ /* Call OSR migration with last java frame only, no checks. */ \
+ CALL_VM_NAKED_LJF(buf=SharedRuntime::OSR_migration_begin(THREAD)); \
istate->set_msg(do_osr); \
istate->set_osr_buf((address)buf); \
istate->set_osr_entry(osr_nmethod->osr_entry()); \
@@ -418,13 +420,17 @@
CACHE_CP(); \
CACHE_LOCALS();
-// Call the VM don't check for pending exceptions
-#define CALL_VM_NOCHECK(func) \
+// Call the VM with last java frame only.
+#define CALL_VM_NAKED_LJF(func) \
DECACHE_STATE(); \
SET_LAST_JAVA_FRAME(); \
func; \
RESET_LAST_JAVA_FRAME(); \
- CACHE_STATE(); \
+ CACHE_STATE();
+
+// Call the VM. Don't check for pending exceptions.
+#define CALL_VM_NOCHECK(func) \
+ CALL_VM_NAKED_LJF(func) \
if (THREAD->pop_frame_pending() && \
!THREAD->pop_frame_in_process()) { \
goto handle_Pop_Frame; \
@@ -2702,7 +2708,7 @@
tty->print_cr("Exception <%s> (" INTPTR_FORMAT ")", except_oop->print_value_string(), except_oop());
tty->print_cr(" thrown in interpreter method <%s>", METHOD->print_value_string());
tty->print_cr(" at bci %d, continuing at %d for thread " INTPTR_FORMAT,
- pc - (intptr_t)METHOD->code_base(),
+ istate->bcp() - (intptr_t)METHOD->code_base(),
continuation_bci, THREAD);
}
// for AbortVMOnException flag
@@ -2715,7 +2721,7 @@
tty->print_cr("Exception <%s> (" INTPTR_FORMAT ")", except_oop->print_value_string(), except_oop());
tty->print_cr(" thrown in interpreter method <%s>", METHOD->print_value_string());
tty->print_cr(" at bci %d, unwinding for thread " INTPTR_FORMAT,
- pc - (intptr_t) METHOD->code_base(),
+ istate->bcp() - (intptr_t)METHOD->code_base(),
THREAD);
}
// for AbortVMOnException flag