Mercurial > hg > graal-compiler
view src/share/vm/runtime/stubCodeGenerator.cpp @ 9463:902a974d55c8
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 30 Apr 2013 23:24:25 +0200 |
parents | a5de0cc2f91c |
children | de6a9e811145 |
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/* * Copyright (c) 1997, 2011, Oracle and/or its affiliates. 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 * 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 "asm/macroAssembler.hpp" #include "asm/macroAssembler.inline.hpp" #include "code/codeCache.hpp" #include "compiler/disassembler.hpp" #include "oops/oop.inline.hpp" #include "prims/forte.hpp" #include "runtime/stubCodeGenerator.hpp" // Implementation of StubCodeDesc StubCodeDesc* StubCodeDesc::_list = NULL; int StubCodeDesc::_count = 0; StubCodeDesc* StubCodeDesc::desc_for(address pc) { StubCodeDesc* p = _list; while (p != NULL && !p->contains(pc)) p = p->_next; // p == NULL || p->contains(pc) return p; } StubCodeDesc* StubCodeDesc::desc_for_index(int index) { StubCodeDesc* p = _list; while (p != NULL && p->index() != index) p = p->_next; return p; } const char* StubCodeDesc::name_for(address pc) { StubCodeDesc* p = desc_for(pc); return p == NULL ? NULL : p->name(); } void StubCodeDesc::print_on(outputStream* st) const { st->print(group()); st->print("::"); st->print(name()); st->print(" [" INTPTR_FORMAT ", " INTPTR_FORMAT "[ (%d bytes)", begin(), end(), size_in_bytes()); } // Implementation of StubCodeGenerator StubCodeGenerator::StubCodeGenerator(CodeBuffer* code, bool print_code) { _masm = new MacroAssembler(code); _first_stub = _last_stub = NULL; _print_code = print_code; } extern "C" { static int compare_cdesc(const void* void_a, const void* void_b) { int ai = (*((StubCodeDesc**) void_a))->index(); int bi = (*((StubCodeDesc**) void_b))->index(); return ai - bi; } } StubCodeGenerator::~StubCodeGenerator() { if (PrintStubCode || _print_code) { CodeBuffer* cbuf = _masm->code(); CodeBlob* blob = CodeCache::find_blob_unsafe(cbuf->insts()->start()); if (blob != NULL) { blob->set_strings(cbuf->strings()); } bool saw_first = false; StubCodeDesc* toprint[1000]; int toprint_len = 0; for (StubCodeDesc* cdesc = _last_stub; cdesc != NULL; cdesc = cdesc->_next) { toprint[toprint_len++] = cdesc; if (cdesc == _first_stub) { saw_first = true; break; } } assert(saw_first, "must get both first & last"); // Print in reverse order: qsort(toprint, toprint_len, sizeof(toprint[0]), compare_cdesc); for (int i = 0; i < toprint_len; i++) { StubCodeDesc* cdesc = toprint[i]; cdesc->print(); tty->cr(); Disassembler::decode(cdesc->begin(), cdesc->end()); tty->cr(); } } } void StubCodeGenerator::stub_prolog(StubCodeDesc* cdesc) { // default implementation - do nothing } void StubCodeGenerator::stub_epilog(StubCodeDesc* cdesc) { // default implementation - record the cdesc if (_first_stub == NULL) _first_stub = cdesc; _last_stub = cdesc; } // Implementation of CodeMark StubCodeMark::StubCodeMark(StubCodeGenerator* cgen, const char* group, const char* name) { _cgen = cgen; _cdesc = new StubCodeDesc(group, name, _cgen->assembler()->pc()); _cgen->stub_prolog(_cdesc); // define the stub's beginning (= entry point) to be after the prolog: _cdesc->set_begin(_cgen->assembler()->pc()); } StubCodeMark::~StubCodeMark() { _cgen->assembler()->flush(); _cdesc->set_end(_cgen->assembler()->pc()); assert(StubCodeDesc::_list == _cdesc, "expected order on list"); _cgen->stub_epilog(_cdesc); Forte::register_stub(_cdesc->name(), _cdesc->begin(), _cdesc->end()); if (JvmtiExport::should_post_dynamic_code_generated()) { JvmtiExport::post_dynamic_code_generated(_cdesc->name(), _cdesc->begin(), _cdesc->end()); } }