1*5ffd83dbSDimitry Andric //===- OutputSegment.h ------------------------------------------*- C++ -*-===// 2*5ffd83dbSDimitry Andric // 3*5ffd83dbSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*5ffd83dbSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*5ffd83dbSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*5ffd83dbSDimitry Andric // 7*5ffd83dbSDimitry Andric //===----------------------------------------------------------------------===// 8*5ffd83dbSDimitry Andric 9*5ffd83dbSDimitry Andric #ifndef LLD_MACHO_OUTPUT_SEGMENT_H 10*5ffd83dbSDimitry Andric #define LLD_MACHO_OUTPUT_SEGMENT_H 11*5ffd83dbSDimitry Andric 12*5ffd83dbSDimitry Andric #include "OutputSection.h" 13*5ffd83dbSDimitry Andric #include "lld/Common/LLVM.h" 14*5ffd83dbSDimitry Andric 15*5ffd83dbSDimitry Andric namespace lld { 16*5ffd83dbSDimitry Andric namespace macho { 17*5ffd83dbSDimitry Andric 18*5ffd83dbSDimitry Andric namespace segment_names { 19*5ffd83dbSDimitry Andric 20*5ffd83dbSDimitry Andric constexpr const char pageZero[] = "__PAGEZERO"; 21*5ffd83dbSDimitry Andric constexpr const char text[] = "__TEXT"; 22*5ffd83dbSDimitry Andric constexpr const char data[] = "__DATA"; 23*5ffd83dbSDimitry Andric constexpr const char linkEdit[] = "__LINKEDIT"; 24*5ffd83dbSDimitry Andric constexpr const char dataConst[] = "__DATA_CONST"; 25*5ffd83dbSDimitry Andric 26*5ffd83dbSDimitry Andric } // namespace segment_names 27*5ffd83dbSDimitry Andric 28*5ffd83dbSDimitry Andric class OutputSection; 29*5ffd83dbSDimitry Andric class InputSection; 30*5ffd83dbSDimitry Andric 31*5ffd83dbSDimitry Andric class OutputSegment { 32*5ffd83dbSDimitry Andric public: 33*5ffd83dbSDimitry Andric const OutputSection *firstSection() const { return sections.front(); } 34*5ffd83dbSDimitry Andric const OutputSection *lastSection() const { return sections.back(); } 35*5ffd83dbSDimitry Andric 36*5ffd83dbSDimitry Andric void addOutputSection(OutputSection *os); 37*5ffd83dbSDimitry Andric void sortOutputSections( 38*5ffd83dbSDimitry Andric llvm::function_ref<bool(OutputSection *, OutputSection *)> comparator) { 39*5ffd83dbSDimitry Andric llvm::stable_sort(sections, comparator); 40*5ffd83dbSDimitry Andric } 41*5ffd83dbSDimitry Andric 42*5ffd83dbSDimitry Andric const std::vector<OutputSection *> &getSections() const { return sections; } 43*5ffd83dbSDimitry Andric size_t numNonHiddenSections() const; 44*5ffd83dbSDimitry Andric 45*5ffd83dbSDimitry Andric uint64_t fileOff = 0; 46*5ffd83dbSDimitry Andric StringRef name; 47*5ffd83dbSDimitry Andric uint32_t maxProt = 0; 48*5ffd83dbSDimitry Andric uint32_t initProt = 0; 49*5ffd83dbSDimitry Andric uint8_t index; 50*5ffd83dbSDimitry Andric 51*5ffd83dbSDimitry Andric private: 52*5ffd83dbSDimitry Andric std::vector<OutputSection *> sections; 53*5ffd83dbSDimitry Andric }; 54*5ffd83dbSDimitry Andric 55*5ffd83dbSDimitry Andric extern std::vector<OutputSegment *> outputSegments; 56*5ffd83dbSDimitry Andric 57*5ffd83dbSDimitry Andric OutputSegment *getOrCreateOutputSegment(StringRef name); 58*5ffd83dbSDimitry Andric 59*5ffd83dbSDimitry Andric } // namespace macho 60*5ffd83dbSDimitry Andric } // namespace lld 61*5ffd83dbSDimitry Andric 62*5ffd83dbSDimitry Andric #endif 63