// Copyright 2013 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
#include "v8.h"
void Instruction::SetPCRelImmTarget(Instruction* target) {
// ADRP is not supported, so 'this' must point to an ADR instruction.
- ASSERT(Mask(PCRelAddressingMask) == ADR);
+ ASSERT(IsAdr());
- Instr imm = Assembler::ImmPCRelAddress(DistanceTo(target));
-
- SetInstructionBits(Mask(~ImmPCRel_mask) | imm);
+ int target_offset = DistanceTo(target);
+ Instr imm;
+ if (Instruction::IsValidPCRelOffset(target_offset)) {
+ imm = Assembler::ImmPCRelAddress(target_offset);
+ SetInstructionBits(Mask(~ImmPCRel_mask) | imm);
+ } else {
+ PatchingAssembler patcher(this,
+ PatchingAssembler::kAdrFarPatchableNInstrs);
+ patcher.PatchAdrFar(target);
+ }
}