duke@435: /*
duke@435:  * Copyright 1997-2006 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: inline void AbstractAssembler::sync() {
duke@435:   CodeSection* cs = code_section();
duke@435:   guarantee(cs->start() == _code_begin, "must not shift code buffer");
duke@435:   cs->set_end(_code_pos);
duke@435: }
duke@435: 
duke@435: inline void AbstractAssembler::emit_byte(int x) {
duke@435:   assert(isByte(x), "not a byte");
duke@435:   *(unsigned char*)_code_pos = (unsigned char)x;
duke@435:   _code_pos += sizeof(unsigned char);
duke@435:   sync();
duke@435: }
duke@435: 
duke@435: 
duke@435: inline void AbstractAssembler::emit_word(int x) {
duke@435:   *(short*)_code_pos = (short)x;
duke@435:   _code_pos += sizeof(short);
duke@435:   sync();
duke@435: }
duke@435: 
duke@435: 
duke@435: inline void AbstractAssembler::emit_long(jint x) {
duke@435:   *(jint*)_code_pos = x;
duke@435:   _code_pos += sizeof(jint);
duke@435:   sync();
duke@435: }
duke@435: 
duke@435: inline void AbstractAssembler::emit_address(address x) {
duke@435:   *(address*)_code_pos = x;
duke@435:   _code_pos += sizeof(address);
duke@435:   sync();
duke@435: }
duke@435: 
duke@435: inline address AbstractAssembler::inst_mark() const {
duke@435:   return code_section()->mark();
duke@435: }
duke@435: 
duke@435: 
duke@435: inline void AbstractAssembler::set_inst_mark() {
duke@435:   code_section()->set_mark();
duke@435: }
duke@435: 
duke@435: 
duke@435: inline void AbstractAssembler::clear_inst_mark() {
duke@435:   code_section()->clear_mark();
duke@435: }
duke@435: 
duke@435: 
duke@435: inline void AbstractAssembler::relocate(RelocationHolder const& rspec, int format) {
duke@435:   assert(!pd_check_instruction_mark()
duke@435:          || inst_mark() == NULL || inst_mark() == _code_pos,
duke@435:          "call relocate() between instructions");
duke@435:   code_section()->relocate(_code_pos, rspec, format);
duke@435: }
duke@435: 
duke@435: 
duke@435: inline CodeBuffer* AbstractAssembler::code() const {
duke@435:   return code_section()->outer();
duke@435: }
duke@435: 
duke@435: inline int AbstractAssembler::sect() const {
duke@435:   return code_section()->index();
duke@435: }
duke@435: 
duke@435: inline int AbstractAssembler::locator() const {
duke@435:   return CodeBuffer::locator(offset(), sect());
duke@435: }
duke@435: 
duke@435: inline address AbstractAssembler::target(Label& L) {
duke@435:   return code_section()->target(L, pc());
duke@435: }
duke@435: 
duke@435: inline int Label::loc_pos() const {
duke@435:   return CodeBuffer::locator_pos(loc());
duke@435: }
duke@435: 
duke@435: inline int Label::loc_sect() const {
duke@435:   return CodeBuffer::locator_sect(loc());
duke@435: }
duke@435: 
duke@435: inline void Label::bind_loc(int pos, int sect) {
duke@435:   bind_loc(CodeBuffer::locator(pos, sect));
duke@435: }
duke@435: 
duke@435: address AbstractAssembler::address_constant(Label& L) {
duke@435:   address c = NULL;
duke@435:   address ptr = start_a_const(sizeof(c), sizeof(c));
duke@435:   if (ptr != NULL) {
duke@435:     relocate(Relocation::spec_simple(relocInfo::internal_word_type));
duke@435:     *(address*)ptr = c = code_section()->target(L, ptr);
duke@435:     _code_pos = ptr + sizeof(c);
duke@435:     end_a_const();
duke@435:   }
duke@435:   return ptr;
duke@435: }
duke@435: 
duke@435: address AbstractAssembler::address_table_constant(GrowableArray<Label*> labels) {
duke@435:   int addressSize = sizeof(address);
duke@435:   int sizeLabel = addressSize * labels.length();
duke@435:   address ptr = start_a_const(sizeLabel, addressSize);
duke@435: 
duke@435:   if (ptr != NULL) {
duke@435:     address *labelLoc = (address*)ptr;
duke@435:     for (int i=0; i < labels.length(); i++) {
duke@435:       emit_address(code_section()->target(*labels.at(i), (address)&labelLoc[i]));
duke@435:       code_section()->relocate((address)&labelLoc[i], relocInfo::internal_word_type);
duke@435:     }
duke@435:     end_a_const();
duke@435:   }
duke@435:   return ptr;
duke@435: }