diff -r 000000000000 -r a61af66fc99e src/share/vm/asm/assembler.inline.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/asm/assembler.inline.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,135 @@ +/* + * Copyright 1997-2006 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 + * 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. + * + */ + +inline void AbstractAssembler::sync() { + CodeSection* cs = code_section(); + guarantee(cs->start() == _code_begin, "must not shift code buffer"); + cs->set_end(_code_pos); +} + +inline void AbstractAssembler::emit_byte(int x) { + assert(isByte(x), "not a byte"); + *(unsigned char*)_code_pos = (unsigned char)x; + _code_pos += sizeof(unsigned char); + sync(); +} + + +inline void AbstractAssembler::emit_word(int x) { + *(short*)_code_pos = (short)x; + _code_pos += sizeof(short); + sync(); +} + + +inline void AbstractAssembler::emit_long(jint x) { + *(jint*)_code_pos = x; + _code_pos += sizeof(jint); + sync(); +} + +inline void AbstractAssembler::emit_address(address x) { + *(address*)_code_pos = x; + _code_pos += sizeof(address); + sync(); +} + +inline address AbstractAssembler::inst_mark() const { + return code_section()->mark(); +} + + +inline void AbstractAssembler::set_inst_mark() { + code_section()->set_mark(); +} + + +inline void AbstractAssembler::clear_inst_mark() { + code_section()->clear_mark(); +} + + +inline void AbstractAssembler::relocate(RelocationHolder const& rspec, int format) { + assert(!pd_check_instruction_mark() + || inst_mark() == NULL || inst_mark() == _code_pos, + "call relocate() between instructions"); + code_section()->relocate(_code_pos, rspec, format); +} + + +inline CodeBuffer* AbstractAssembler::code() const { + return code_section()->outer(); +} + +inline int AbstractAssembler::sect() const { + return code_section()->index(); +} + +inline int AbstractAssembler::locator() const { + return CodeBuffer::locator(offset(), sect()); +} + +inline address AbstractAssembler::target(Label& L) { + return code_section()->target(L, pc()); +} + +inline int Label::loc_pos() const { + return CodeBuffer::locator_pos(loc()); +} + +inline int Label::loc_sect() const { + return CodeBuffer::locator_sect(loc()); +} + +inline void Label::bind_loc(int pos, int sect) { + bind_loc(CodeBuffer::locator(pos, sect)); +} + +address AbstractAssembler::address_constant(Label& L) { + address c = NULL; + address ptr = start_a_const(sizeof(c), sizeof(c)); + if (ptr != NULL) { + relocate(Relocation::spec_simple(relocInfo::internal_word_type)); + *(address*)ptr = c = code_section()->target(L, ptr); + _code_pos = ptr + sizeof(c); + end_a_const(); + } + return ptr; +} + +address AbstractAssembler::address_table_constant(GrowableArray labels) { + int addressSize = sizeof(address); + int sizeLabel = addressSize * labels.length(); + address ptr = start_a_const(sizeLabel, addressSize); + + if (ptr != NULL) { + address *labelLoc = (address*)ptr; + for (int i=0; i < labels.length(); i++) { + emit_address(code_section()->target(*labels.at(i), (address)&labelLoc[i])); + code_section()->relocate((address)&labelLoc[i], relocInfo::internal_word_type); + } + end_a_const(); + } + return ptr; +}