From cfca06d7963fa0909f90483b42a6d7d194d01e08 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Sun, 26 Jul 2020 19:36:28 +0000 Subject: Vendor import of llvm-project master 2e10b7a39b9, the last commit before the llvmorg-12-init tag, from which release/11.x was branched. --- lld/MachO/InputSection.cpp | 48 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 lld/MachO/InputSection.cpp (limited to 'lld/MachO/InputSection.cpp') diff --git a/lld/MachO/InputSection.cpp b/lld/MachO/InputSection.cpp new file mode 100644 index 0000000000000..72d4892830512 --- /dev/null +++ b/lld/MachO/InputSection.cpp @@ -0,0 +1,48 @@ +//===- InputSection.cpp ---------------------------------------------------===// +// +// 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 +// +//===----------------------------------------------------------------------===// + +#include "InputSection.h" +#include "OutputSegment.h" +#include "Symbols.h" +#include "Target.h" +#include "lld/Common/Memory.h" +#include "llvm/Support/Endian.h" + +using namespace llvm; +using namespace llvm::MachO; +using namespace llvm::support; +using namespace lld; +using namespace lld::macho; + +std::vector macho::inputSections; + +uint64_t InputSection::getFileOffset() const { + return parent->fileOff + outSecFileOff; +} + +uint64_t InputSection::getVA() const { return parent->addr + outSecOff; } + +void InputSection::writeTo(uint8_t *buf) { + if (getFileSize() == 0) + return; + + memcpy(buf, data.data(), data.size()); + + for (Reloc &r : relocs) { + uint64_t va = 0; + if (auto *s = r.target.dyn_cast()) + va = target->getSymbolVA(*s, r.type); + else if (auto *isec = r.target.dyn_cast()) + va = isec->getVA(); + + uint64_t val = va + r.addend; + if (r.pcrel) + val -= getVA() + r.offset; + target->relocateOne(buf + r.offset, r, val); + } +} -- cgit v1.3