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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2008 Jiri Svoboda |
2 | * Copyright (c) 2008 Jiri Svoboda |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | /** @addtogroup fs |
29 | /** @addtogroup fs |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | 32 | ||
| 33 | #ifndef ILOADER_PCB_H_ |
33 | #ifndef ILOADER_PCB_H_ |
| 34 | #define ILOADER_PCB_H_ |
34 | #define ILOADER_PCB_H_ |
| 35 | 35 | ||
| 36 | #include <sys/types.h> |
36 | #include <sys/types.h> |
| 37 | #include <arch/pcb.h> |
37 | #include <arch/pcb.h> |
| 38 | 38 | ||
| 39 | typedef void (*entry_point_t)(void); |
39 | typedef void (*entry_point_t)(void); |
| 40 | 40 | ||
| 41 | /** |
41 | /** |
| 42 | * Holds pointers to data passed from the program loader to the program |
42 | * Holds pointers to data passed from the program loader to the program |
| 43 | * and/or to the dynamic linker. This includes the program entry point, |
43 | * and/or to the dynamic linker. This includes the program entry point, |
| 44 | * arguments, environment etc. |
44 | * arguments, environment etc. |
| 45 | */ |
45 | */ |
| 46 | typedef struct { |
46 | typedef struct { |
| 47 | /** Program entry point */ |
47 | /** Program entry point */ |
| 48 | entry_point_t entry; |
48 | entry_point_t entry; |
| 49 | 49 | ||
| 50 | /* |
50 | /* |
| 51 | * ELF-specific data |
51 | * ELF-specific data |
| 52 | */ |
52 | */ |
| 53 | /** Pointer to ELF dynamic section of the program */ |
53 | /** Pointer to ELF dynamic section of the program */ |
| 54 | void *dynamic; |
54 | void *dynamic; |
| 55 | /** Pointer to dynamic section of the runtime linker */ |
55 | /** Pointer to dynamic section of the runtime linker */ |
| 56 | void *rtld_dynamic; |
56 | void *rtld_dynamic; |
| 57 | /** Runtime-linker load bias */ |
57 | /** Runtime-linker load bias */ |
| 58 | uintptr_t rtld_bias; |
58 | uintptr_t rtld_bias; |
| 59 | } pcb_t; |
59 | } pcb_t; |
| 60 | 60 | ||
| - | 61 | static inline __pcb_get(void) { |
|
| - | 62 | return (pcb_t *)PCB_ADDRESS; |
|
| - | 63 | } |
|
| - | 64 | ||
| 61 | #endif |
65 | #endif |
| 62 | 66 | ||
| 63 | /** |
67 | /** |
| 64 | * @} |
68 | * @} |
| 65 | */ |
69 | */ |
| 66 | 70 | ||