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/*
* Copyright (c) 1997, 2010, 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.
*
*/
#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));
}
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;
}
#endif // SHARE_VM_ASM_ASSEMBLER_INLINE_HPP
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