Mercurial > hg > graal-compiler
diff src/cpu/zero/vm/interpreterRT_zero.cpp @ 1010:354d3184f6b2
6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com
author | never |
---|---|
date | Tue, 13 Oct 2009 12:04:21 -0700 |
parents | |
children | f9271ff9d324 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/zero/vm/interpreterRT_zero.cpp Tue Oct 13 12:04:21 2009 -0700 @@ -0,0 +1,162 @@ +/* + * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2007, 2008 Red Hat, Inc. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +#include "incls/_precompiled.incl" +#include "incls/_interpreterRT_zero.cpp.incl" + +void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_int() { + push(T_INT); + _cif->nargs++; +} + +void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_long() { + push(T_LONG); + _cif->nargs++; +} + +void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_float() { + push(T_FLOAT); + _cif->nargs++; +} + +void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_double() { + push(T_DOUBLE); + _cif->nargs++; +} + +void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_object() { + push(T_OBJECT); + _cif->nargs++; +} + +void InterpreterRuntime::SignatureHandlerGeneratorBase::push(BasicType type) { + ffi_type *ftype; + switch (type) { + case T_VOID: + ftype = &ffi_type_void; + break; + + case T_BOOLEAN: + ftype = &ffi_type_uint8; + break; + + case T_CHAR: + ftype = &ffi_type_uint16; + break; + + case T_BYTE: + ftype = &ffi_type_sint8; + break; + + case T_SHORT: + ftype = &ffi_type_sint16; + break; + + case T_INT: + ftype = &ffi_type_sint32; + break; + + case T_LONG: + ftype = &ffi_type_sint64; + break; + + case T_FLOAT: + ftype = &ffi_type_float; + break; + + case T_DOUBLE: + ftype = &ffi_type_double; + break; + + case T_OBJECT: + case T_ARRAY: + ftype = &ffi_type_pointer; + break; + + default: + ShouldNotReachHere(); + } + push((intptr_t) ftype); +} + +// For fast signature handlers the "signature handler" is generated +// into a temporary buffer. It is then copied to its final location, +// and pd_set_handler is called on it. We have this two stage thing +// to accomodate this. + +void InterpreterRuntime::SignatureHandlerGeneratorBase::generate( + uint64_t fingerprint) { + + // Build the argument types list + pass_object(); + if (method()->is_static()) + pass_object(); + iterate(fingerprint); + + // Tack on the result type + push(method()->result_type()); +} + +void InterpreterRuntime::SignatureHandler::finalize() { + ffi_status status = + ffi_prep_cif(cif(), + FFI_DEFAULT_ABI, + argument_count(), + result_type(), + argument_types()); + + assert(status == FFI_OK, "should be"); +} + +IRT_ENTRY(address, + InterpreterRuntime::slow_signature_handler(JavaThread* thread, + methodOop method, + intptr_t* unused1, + intptr_t* unused2)) + ZeroStack *stack = thread->zero_stack(); + + int required_words = + (align_size_up(sizeof(ffi_cif), wordSize) >> LogBytesPerWord) + + (method->is_static() ? 2 : 1) + method->size_of_parameters() + 1; + if (required_words > stack->available_words()) { + Unimplemented(); + } + + intptr_t *buf = (intptr_t *) stack->alloc(required_words * wordSize); + SlowSignatureHandlerGenerator sshg(methodHandle(thread, method), buf); + sshg.generate(UCONST64(-1)); + + SignatureHandler *handler = sshg.handler(); + handler->finalize(); + + return (address) handler; +IRT_END + +void SignatureHandlerLibrary::pd_set_handler(address handlerAddr) { + InterpreterRuntime::SignatureHandler *handler = + InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr); + + handler->finalize(); +}