Rev 3004 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2963 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2008 Jiri Svoboda |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 29 | /** @addtogroup generic |
||
| 30 | * @{ |
||
| 31 | */ |
||
| 32 | /** @file |
||
| 3101 | svoboda | 33 | * @brief ELF loader structures and public functions. |
| 2963 | svoboda | 34 | */ |
| 35 | |||
| 36 | #ifndef ELF_LOAD_H_ |
||
| 37 | #define ELF_LOAD_H_ |
||
| 38 | |||
| 39 | #include <arch/elf.h> |
||
| 40 | #include <sys/types.h> |
||
| 41 | |||
| 42 | #include "elf.h" |
||
| 2964 | svoboda | 43 | #include "pcb.h" |
| 2963 | svoboda | 44 | |
| 2964 | svoboda | 45 | /** |
| 46 | * Some data extracted from the headers are stored here |
||
| 47 | */ |
||
| 48 | typedef struct { |
||
| 49 | /** Entry point */ |
||
| 50 | entry_point_t entry; |
||
| 2963 | svoboda | 51 | |
| 3004 | svoboda | 52 | /** ELF interpreter name or NULL if statically-linked */ |
| 53 | char *interp; |
||
| 54 | |||
| 2964 | svoboda | 55 | /** Pointer to the dynamic section */ |
| 3004 | svoboda | 56 | void *dynamic; |
| 2964 | svoboda | 57 | } elf_info_t; |
| 58 | |||
| 59 | /** |
||
| 60 | * Holds information about an ELF binary being loaded. |
||
| 61 | */ |
||
| 62 | typedef struct { |
||
| 63 | /** Filedescriptor of the file from which we are loading */ |
||
| 64 | int fd; |
||
| 65 | |||
| 66 | /** Difference between run-time addresses and link-time addresses */ |
||
| 67 | uintptr_t bias; |
||
| 68 | |||
| 69 | /** A copy of the ELF file header */ |
||
| 70 | elf_header_t *header; |
||
| 71 | |||
| 72 | /** Store extracted info here */ |
||
| 73 | elf_info_t *info; |
||
| 74 | } elf_ld_t; |
||
| 75 | |||
| 2972 | svoboda | 76 | int elf_load_file(char *file_name, size_t so_bias, elf_info_t *info); |
| 2964 | svoboda | 77 | void elf_run(elf_info_t *info); |
| 78 | int elf_create_pcb(elf_info_t *info); |
||
| 79 | |||
| 2963 | svoboda | 80 | #endif |
| 81 | |||
| 82 | /** @} |
||
| 83 | */ |