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/*
* Copyright (c) 2013, Red Hat Inc.
* Copyright (c) 1998, 2011, 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.
*
*/
#include "precompiled.hpp"
#include "asm/macroAssembler.hpp"
#include "code/relocInfo.hpp"
#include "nativeInst_aarch64.hpp"
#include "oops/oop.inline.hpp"
#include "runtime/safepoint.hpp"
void Relocation::pd_set_data_value(address x, intptr_t o, bool verify_only) {
switch(type()) {
case relocInfo::oop_type:
{
oop_Relocation *reloc = (oop_Relocation *)this;
if (NativeInstruction::is_ldr_literal_at(addr())) {
address constptr = (address)code()->oop_addr_at(reloc->oop_index());
MacroAssembler::pd_patch_instruction(addr(), constptr);
assert(*(address*)constptr == x, "error in oop relocation");
} else{
MacroAssembler::patch_oop(addr(), x);
}
}
break;
default:
MacroAssembler::pd_patch_instruction(addr(), x);
break;
}
}
address Relocation::pd_call_destination(address orig_addr) {
if (orig_addr != NULL) {
return MacroAssembler::pd_call_destination(orig_addr);
}
return MacroAssembler::pd_call_destination(addr());
}
void Relocation::pd_set_call_destination(address x) {
MacroAssembler::pd_patch_instruction(addr(), x);
}
address* Relocation::pd_address_in_code() {
return (address*)(addr() + 8);
}
address Relocation::pd_get_address_from_code() {
return MacroAssembler::pd_call_destination(addr());
}
void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
// fprintf(stderr, "Try to fix poll reloc at %p to %p\n", addr(), dest);
if (NativeInstruction::maybe_cpool_ref(addr())) {
address old_addr = old_addr_for(addr(), src, dest);
MacroAssembler::pd_patch_instruction(addr(), pd_call_destination(old_addr));
}
}
void poll_return_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
if (NativeInstruction::maybe_cpool_ref(addr())) {
address old_addr = old_addr_for(addr(), src, dest);
MacroAssembler::pd_patch_instruction(addr(), pd_call_destination(old_addr));
}
}
void metadata_Relocation::pd_fix_value(address x) {
}
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