76 lines
1.3 KiB
C++
76 lines
1.3 KiB
C++
/**
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* \brief ELF file setup
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* \author Sebastian Sumpf
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* \date 2015-03-12
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*/
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/*
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* Copyright (C) 2015 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__FILE_H_
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#define _INCLUDE__FILE_H_
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namespace Linker {
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struct Phdr;
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struct File;
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/**
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* Load object
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*
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* \param path Path of object
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* \param load True, load binary; False, load ELF header only
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*
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* \throw Invalid_file Segment is neither read-only/executable or read/write
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* \throw Region_conflict There is already something at the given address
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* \throw Incompatible Not an ELF
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*
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* \return File descriptor
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*/
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File const *load(char const *path, bool load = true);
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}
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/**
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* Program header
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*/
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struct Linker::Phdr
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{
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enum { MAX_PHDR = 10 };
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Elf::Phdr phdr[MAX_PHDR];
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unsigned count = 0;
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};
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/**
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* Loaded ELF file
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*/
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struct Linker::File
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{
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typedef void (*Entry)(void);
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Phdr phdr;
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Entry entry;
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Elf::Addr reloc_base = 0;
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Elf::Addr start = 0;
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Elf::Size size = 0;
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virtual ~File() { }
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Elf::Phdr const *elf_phdr(unsigned index) const
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{
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if (index < phdr.count)
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return &phdr.phdr[index];
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return 0;
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}
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unsigned elf_phdr_count() const { return phdr.count; }
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};
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#endif /* _INCLUDE__FILE_H_ */
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