--- a/hotspot/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Fri Jan 29 22:51:41 2010 -0800
+++ b/hotspot/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Mon Feb 01 19:29:46 2010 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright 2000-2009 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright 2000-2010 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -418,13 +418,12 @@
}
-void LIR_Assembler::emit_exception_handler() {
+int LIR_Assembler::emit_exception_handler() {
// if the last instruction is a call (typically to do a throw which
// is coming at the end after block reordering) the return address
// must still point into the code area in order to avoid assertion
// failures when searching for the corresponding bci => add a nop
// (was bug 5/14/1999 - gri)
-
__ nop();
// generate code for exception handler
@@ -432,13 +431,10 @@
if (handler_base == NULL) {
// not enough space left for the handler
bailout("exception handler overflow");
- return;
+ return -1;
}
-#ifdef ASSERT
+
int offset = code_offset();
-#endif // ASSERT
-
- compilation()->offsets()->set_value(CodeOffsets::Exceptions, code_offset());
// if the method does not have an exception handler, then there is
// no reason to search for one
@@ -474,19 +470,19 @@
// unwind activation and forward exception to caller
// rax,: exception
__ jump(RuntimeAddress(Runtime1::entry_for(Runtime1::unwind_exception_id)));
-
assert(code_offset() - offset <= exception_handler_size, "overflow");
-
__ end_a_stub();
+
+ return offset;
}
-void LIR_Assembler::emit_deopt_handler() {
+
+int LIR_Assembler::emit_deopt_handler() {
// if the last instruction is a call (typically to do a throw which
// is coming at the end after block reordering) the return address
// must still point into the code area in order to avoid assertion
// failures when searching for the corresponding bci => add a nop
// (was bug 5/14/1999 - gri)
-
__ nop();
// generate code for exception handler
@@ -494,23 +490,17 @@
if (handler_base == NULL) {
// not enough space left for the handler
bailout("deopt handler overflow");
- return;
+ return -1;
}
-#ifdef ASSERT
+
int offset = code_offset();
-#endif // ASSERT
-
- compilation()->offsets()->set_value(CodeOffsets::Deopt, code_offset());
-
InternalAddress here(__ pc());
__ pushptr(here.addr());
-
__ jump(RuntimeAddress(SharedRuntime::deopt_blob()->unpack()));
-
assert(code_offset() - offset <= deopt_handler_size, "overflow");
-
__ end_a_stub();
+ return offset;
}