Rev 4480 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3222 | 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 fs |
||
| 30 | * @{ |
||
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | * @brief Program Control Block interface. |
||
| 34 | */ |
||
| 35 | |||
| 36 | #ifndef LIBC_PCB_H_ |
||
| 37 | #define LIBC_PCB_H_ |
||
| 38 | |||
| 39 | #include <sys/types.h> |
||
| 4480 | decky | 40 | #include <vfs/vfs.h> |
| 3222 | svoboda | 41 | |
| 42 | typedef void (*entry_point_t)(void); |
||
| 43 | |||
| 3469 | svoboda | 44 | /** Program Control Block. |
| 45 | * |
||
| 3222 | svoboda | 46 | * Holds pointers to data passed from the program loader to the program |
| 47 | * and/or to the dynamic linker. This includes the program entry point, |
||
| 48 | * arguments, environment variables etc. |
||
| 4480 | decky | 49 | * |
| 3222 | svoboda | 50 | */ |
| 51 | typedef struct { |
||
| 3676 | svoboda | 52 | /** Program entry point. */ |
| 3222 | svoboda | 53 | entry_point_t entry; |
| 4480 | decky | 54 | |
| 3676 | svoboda | 55 | /** Number of command-line arguments. */ |
| 3222 | svoboda | 56 | int argc; |
| 3676 | svoboda | 57 | /** Command-line arguments. */ |
| 3222 | svoboda | 58 | char **argv; |
| 4480 | decky | 59 | |
| 60 | /** Number of preset files. */ |
||
| 61 | int filc; |
||
| 62 | /** Preset files. */ |
||
| 4491 | decky | 63 | inode_t **filv; |
| 4480 | decky | 64 | |
| 3222 | svoboda | 65 | /* |
| 3676 | svoboda | 66 | * ELF-specific data. |
| 3222 | svoboda | 67 | */ |
| 4480 | decky | 68 | |
| 3676 | svoboda | 69 | /** Pointer to ELF dynamic section of the program. */ |
| 3222 | svoboda | 70 | void *dynamic; |
| 71 | } pcb_t; |
||
| 72 | |||
| 3676 | svoboda | 73 | /** |
| 74 | * A pointer to the program control block. Having received the PCB pointer, |
||
| 75 | * the C library startup code stores it here for later use. |
||
| 76 | */ |
||
| 3222 | svoboda | 77 | extern pcb_t *__pcb; |
| 78 | |||
| 79 | #endif |
||
| 80 | |||
| 81 | /** |
||
| 82 | * @} |
||
| 83 | */ |