/*

 * 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.

 *

 */

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<Label*> 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;

}