llvm-project/llvm/lib/ExecutionEngine/JITLink/aarch64.cpp

77 lines
1.9 KiB
C++

//===---- aarch64.cpp - Generic JITLink aarch64 edge kinds, utilities -----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Generic utilities for graphs representing aarch64 objects.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/JITLink/aarch64.h"
#define DEBUG_TYPE "jitlink"
namespace llvm {
namespace jitlink {
namespace aarch64 {
const uint8_t NullGOTEntryContent[8] = {0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00};
const uint8_t StubContent[8] = {
0x10, 0x00, 0x00, 0x58, // LDR x16, <literal>
0x00, 0x02, 0x1f, 0xd6 // BR x16
};
const char *getEdgeKindName(Edge::Kind R) {
switch (R) {
case Branch26:
return "Branch26";
case Pointer64:
return "Pointer64";
case Pointer64Anon:
return "Pointer64Anon";
case Page21:
return "Page21";
case PageOffset12:
return "PageOffset12";
case MoveWide16:
return "MoveWide16";
case GOTPage21:
return "GOTPage21";
case GOTPageOffset12:
return "GOTPageOffset12";
case TLVPage21:
return "TLVPage21";
case TLVPageOffset12:
return "TLVPageOffset12";
case TLSDescPage21:
return "TLSDescPage21";
case TLSDescPageOffset12:
return "TLSDescPageOffset12";
case Delta32ToGOT:
return "Delta32ToGOT";
case PairedAddend:
return "PairedAddend";
case LDRLiteral19:
return "LDRLiteral19";
case Delta32:
return "Delta32";
case Delta64:
return "Delta64";
case NegDelta32:
return "NegDelta32";
case NegDelta64:
return "NegDelta64";
default:
return getGenericEdgeKindName(static_cast<Edge::Kind>(R));
}
}
} // namespace aarch64
} // namespace jitlink
} // namespace llvm