Mercurial > hg > truffle
diff src/share/vm/c1/c1_Compilation.cpp @ 1204:18a389214829
6921352: JSR 292 needs its own deopt handler
Summary: We need to introduce a new MH deopt handler so we can easily determine if the deopt happened at a MH call site or not.
Reviewed-by: never, jrose
| author | twisti |
|---|---|
| date | Mon, 01 Feb 2010 19:29:46 +0100 |
| parents | 24128c2ffa87 |
| children | 9f5b60a14736 |
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--- a/src/share/vm/c1/c1_Compilation.cpp Fri Jan 29 22:51:41 2010 -0800 +++ b/src/share/vm/c1/c1_Compilation.cpp Mon Feb 01 19:29:46 2010 +0100 @@ -1,5 +1,5 @@ /* - * Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 1999-2010 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 @@ -205,6 +205,8 @@ void Compilation::emit_code_epilog(LIR_Assembler* assembler) { CHECK_BAILOUT(); + CodeOffsets* code_offsets = assembler->offsets(); + // generate code or slow cases assembler->emit_slow_case_stubs(); CHECK_BAILOUT(); @@ -213,10 +215,18 @@ assembler->emit_exception_entries(exception_info_list()); CHECK_BAILOUT(); - // generate code for exception handler - assembler->emit_exception_handler(); + // Generate code for exception handler. + code_offsets->set_value(CodeOffsets::Exceptions, assembler->emit_exception_handler()); CHECK_BAILOUT(); - assembler->emit_deopt_handler(); + + // Generate code for deopt handler. + code_offsets->set_value(CodeOffsets::Deopt, assembler->emit_deopt_handler()); + CHECK_BAILOUT(); + + // Generate code for MethodHandle deopt handler. We can use the + // same code as for the normal deopt handler, we just need a + // different entry point address. + code_offsets->set_value(CodeOffsets::DeoptMH, assembler->emit_deopt_handler()); CHECK_BAILOUT(); // done