You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.6 KiB
85 lines
2.6 KiB
4 months ago
|
//===- AArch64CA53Erratum843419Stub2.cpp ----------------------------------===//
|
||
|
|
//
|
||
|
|
// The MCLinker Project
|
||
|
|
//
|
||
|
|
// This file is distributed under the University of Illinois Open Source
|
||
|
|
// License. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "AArch64CA53Erratum843419Stub.h"
|
||
|
|
#include "AArch64CA53Erratum843419Stub2.h"
|
||
|
|
#include "AArch64InsnHelpers.h"
|
||
|
|
|
||
|
|
#include "mcld/Fragment/FragmentRef.h"
|
||
|
|
#include "mcld/Fragment/Relocation.h"
|
||
|
|
#include "mcld/IRBuilder.h"
|
||
|
|
#include "mcld/LD/BranchIsland.h"
|
||
|
|
#include "mcld/LD/LDSection.h"
|
||
|
|
#include "mcld/LD/LDSymbol.h"
|
||
|
|
#include "mcld/LD/ResolveInfo.h"
|
||
|
|
#include "mcld/LD/SectionData.h"
|
||
|
|
|
||
|
|
#include <llvm/ADT/StringExtras.h>
|
||
|
|
#include <llvm/Support/ELF.h>
|
||
|
|
|
||
|
|
#include <cassert>
|
||
|
|
|
||
|
|
namespace mcld {
|
||
|
|
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
// AArch64CA53Erratum843419Stub2
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
AArch64CA53Erratum843419Stub2::AArch64CA53Erratum843419Stub2() {
|
||
|
|
}
|
||
|
|
|
||
|
|
/// for doClone
|
||
|
|
AArch64CA53Erratum843419Stub2::AArch64CA53Erratum843419Stub2(
|
||
|
|
const uint32_t* pData,
|
||
|
|
size_t pSize,
|
||
|
|
const char* pName,
|
||
|
|
const_fixup_iterator pBegin,
|
||
|
|
const_fixup_iterator pEnd)
|
||
|
|
: AArch64CA53ErratumStub(pData, pSize, pName, pBegin, pEnd) {
|
||
|
|
}
|
||
|
|
|
||
|
|
AArch64CA53Erratum843419Stub2::~AArch64CA53Erratum843419Stub2() {
|
||
|
|
}
|
||
|
|
|
||
|
|
bool AArch64CA53Erratum843419Stub2::isMyDuty(
|
||
|
|
const FragmentRef& pFragRef) const {
|
||
|
|
if ((pFragRef.offset() + AArch64InsnHelpers::InsnSize * 4) >
|
||
|
|
pFragRef.frag()->size()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// The first instruction must be ending at 0xFF8 or 0xFFC.
|
||
|
|
const uint64_t vma = pFragRef.frag()->getParent()->getSection().addr() +
|
||
|
|
pFragRef.getOutputOffset();
|
||
|
|
const unsigned page_offset = (vma & 0xFFF);
|
||
|
|
if ((page_offset != 0xFF8) && (page_offset != 0xFFC)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
ErratumSequence code;
|
||
|
|
pFragRef.memcpy(&code, AArch64InsnHelpers::InsnSize * 4, 0);
|
||
|
|
|
||
|
|
if (AArch64CA53Erratum843419Stub::isErratum843419Sequence(code.insns[0],
|
||
|
|
code.insns[1],
|
||
|
|
code.insns[3])) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
Stub* AArch64CA53Erratum843419Stub2::doClone() {
|
||
|
|
return new AArch64CA53Erratum843419Stub2(getData(),
|
||
|
|
size(),
|
||
|
|
"erratum_843419_veneer",
|
||
|
|
fixup_begin(),
|
||
|
|
fixup_end());
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace mcld
|