Mercurial > hg > truffle
view src/cpu/zero/vm/interpreterRT_zero.cpp @ 5762:b30cced39597
generalized functionality for finding classes based on searching for patterns in source code and moved it from commands.py to mx.py
used above functionality to find classes manually excluded from JaCoCo processing
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 04 Jul 2012 21:56:48 +0200 |
parents | f95d63e2154a |
children | da91efe96a93 |
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/* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright 2007, 2008, 2010 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "interpreter/interpreter.hpp" #include "interpreter/interpreterRuntime.hpp" #include "memory/allocation.inline.hpp" #include "memory/universe.inline.hpp" #include "oops/methodOop.hpp" #include "oops/oop.inline.hpp" #include "runtime/handles.inline.hpp" #include "runtime/icache.hpp" #include "runtime/interfaceSupport.hpp" #include "runtime/signature.hpp" #include "stack_zero.inline.hpp" 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; stack->overflow_check(required_words, CHECK_NULL); 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(); }