vm/asm/assembler.inline.hpp

/*
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 * 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.
 *
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#ifndef SHARE_VM_ASM_ASSEMBLER_INLINE_HPP
#define SHARE_VM_ASM_ASSEMBLER_INLINE_HPP

#include "asm/assembler.hpp"
#include "asm/codeBuffer.hpp"
#include "compiler/disassembler.hpp"
#include "runtime/threadLocalStorage.hpp"

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));
}

#endif // SHARE_VM_ASM_ASSEMBLER_INLINE_HPP