forked from OSchip/llvm-project
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
//===- InputSection.cpp ---------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "InputSection.h"
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#include "Symbols.h"
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#include "Target.h"
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#include "lld/Common/Memory.h"
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#include "llvm/Support/Endian.h"
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using namespace llvm::MachO;
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using namespace llvm::support;
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using namespace lld;
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using namespace lld::macho;
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std::vector<InputSection *> macho::inputSections;
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void InputSection::writeTo(uint8_t *buf) {
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memcpy(buf, data.data(), data.size());
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for (Reloc &r : relocs) {
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uint64_t va = 0;
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if (auto *s = r.target.dyn_cast<Symbol *>())
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va = s->getVA();
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else if (auto *isec = r.target.dyn_cast<InputSection *>())
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va = isec->addr;
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else
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llvm_unreachable("Unknown relocation target");
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uint64_t val = va + r.addend;
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if (1) // TODO: handle non-pcrel relocations
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val -= addr - ImageBase + r.offset;
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target->relocateOne(buf + r.offset, r.type, val);
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}
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}
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