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71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
#pragma once
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/* Copyright © 2011 Lukas Martini
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*
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* This file is part of Xelix.
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*
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* Xelix is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Xelix is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Xelix. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <lib/generic.h>
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#include <tasks/scheduler.h>
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#define ELF_TYPE_NONE 0
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#define ELF_TYPE_REL 1
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#define ELF_TYPE_EXEC 2
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#define ELF_TYPE_DYN 3
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#define ELF_TYPE_CORE 4
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#define ELF_ARCH_NONE 0
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#define ELF_ARCH_386 3
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#define ELF_VERSION_CURRENT 1
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typedef struct {
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unsigned char magic[4];
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/* Note: There _is_ other stuff in here, but we don't need it */
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unsigned char pad[12];
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} __attribute__((packed)) elf_ident_t;
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typedef struct {
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uint32_t type;
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uint32_t offset;
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void* virtaddr;
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void* physaddr;
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uint32_t filesize;
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uint32_t memsize;
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uint32_t flags;
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uint32_t alignment;
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} __attribute__((packed)) elf_program_t;
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typedef struct {
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elf_ident_t ident;
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uint16_t type; /* Object file type */
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uint16_t machine; /* Architecture */
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uint32_t version; /* Object file version */
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void* entry; /* Entry point virtual address */
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uint32_t phoff; /* Program header table file offset */
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uint32_t shoff; /* Section header table file offset */
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uint32_t flags; /* Processor-specific flags */
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uint16_t ehsize; /* ELF header size in bytes */
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uint16_t phentsize; /* Program header table entry size */
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uint16_t phnum; /* Program header table entry count */
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uint16_t shentsize; /* Section header table entry size */
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uint16_t shnum; /* Section header table entry count */
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uint16_t shstrndx; /* Section header string table index */
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} __attribute__((packed)) elf_t;
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task_t* elf_load(elf_t* bin, char* name, char** environ, char** argv, int argc);
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task_t* elf_load_file(char* path, char** environ, char** argv, int argc);
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