2bc24928d3
Enable this for the following flavors a) core b) gnu c) darwin Its disabled for the flavor PECOFF. Convenient markers are added with FIXME comments in the Driver that would be removed and code removed from each flavor. llvm-svn: 193585
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
//===- lib/ReaderWriter/ELF/ArrayOrderPass.cpp ----------------------------===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "ArrayOrderPass.h"
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#include <algorithm>
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namespace lld {
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namespace elf {
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void ArrayOrderPass::perform(std::unique_ptr<MutableFile> &f) {
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auto definedAtoms = f->definedAtoms();
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std::stable_sort(definedAtoms.begin(), definedAtoms.end(),
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[](const DefinedAtom *left, const DefinedAtom *right) {
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if (left->sectionChoice() != DefinedAtom::sectionCustomRequired ||
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right->sectionChoice() != DefinedAtom::sectionCustomRequired)
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return false;
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StringRef leftSec = left->customSectionName();
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StringRef rightSec = right->customSectionName();
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// Both sections start with the same array type.
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if (!(leftSec.startswith(".init_array") &&
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rightSec.startswith(".init_array")) &&
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!(leftSec.startswith(".fini_array") &&
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rightSec.startswith(".fini_array")))
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return false;
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// Get priortiy
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uint16_t leftPriority = 0;
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leftSec.rsplit('.').second.getAsInteger(10, leftPriority);
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uint16_t rightPriority = 0;
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rightSec.rsplit('.').second.getAsInteger(10, rightPriority);
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return leftPriority < rightPriority;
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});
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}
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} // end namespace elf
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} // end namespace lld
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