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| 31 | */ |
31 | */ |
| 32 | /** @file |
32 | /** @file |
| 33 | * @brief Program Control Block interface. |
33 | * @brief Program Control Block interface. |
| 34 | */ |
34 | */ |
| 35 | 35 | ||
| 36 | #ifndef ILOADER_PCB_H_ |
36 | #ifndef LIBC_PCB_H_ |
| 37 | #define ILOADER_PCB_H_ |
37 | #define LIBC_PCB_H_ |
| 38 | 38 | ||
| 39 | #include <sys/types.h> |
39 | #include <sys/types.h> |
| 40 | #include <arch/pcb.h> |
- | |
| 41 | 40 | ||
| 42 | typedef void (*entry_point_t)(void); |
41 | typedef void (*entry_point_t)(void); |
| 43 | 42 | ||
| 44 | /** |
43 | /** |
| 45 | * Holds pointers to data passed from the program loader to the program |
44 | * Holds pointers to data passed from the program loader to the program |
| 46 | * and/or to the dynamic linker. This includes the program entry point, |
45 | * and/or to the dynamic linker. This includes the program entry point, |
| 47 | * arguments, environment etc. |
46 | * arguments, environment variables etc. |
| 48 | */ |
47 | */ |
| 49 | typedef struct { |
48 | typedef struct { |
| 50 | /** Program entry point */ |
49 | /** Program entry point */ |
| 51 | entry_point_t entry; |
50 | entry_point_t entry; |
| 52 | 51 | ||
| 53 | /* |
52 | /* |
| 54 | * ELF-specific data |
53 | * ELF-specific data |
| 55 | */ |
54 | */ |
| 56 | /** Pointer to ELF dynamic section of the program */ |
55 | /** Pointer to ELF dynamic section of the program */ |
| 57 | void *dynamic; |
56 | void *dynamic; |
| 58 | /** Pointer to dynamic section of the runtime linker */ |
57 | /** Pointer to dynamic section of the runtime linker */ |
| 59 | void *rtld_dynamic; |
58 | void *rtld_dynamic; |
| 60 | /** Runtime-linker load bias */ |
59 | /** Runtime-linker load bias */ |
| 61 | uintptr_t rtld_bias; |
60 | uintptr_t rtld_bias; |
| 62 | } pcb_t; |
61 | } pcb_t; |
| 63 | 62 | ||
| - | 63 | // FIXME |
|
| - | 64 | #define PCB_ADDRESS 0x6fff0000 |
|
| - | 65 | ||
| 64 | static inline pcb_t *__pcb_get(void) { |
66 | static inline pcb_t *__pcb_get(void) { |
| 65 | return (pcb_t *)PCB_ADDRESS; |
67 | return (pcb_t *)PCB_ADDRESS; |
| 66 | } |
68 | } |
| 67 | 69 | ||
| 68 | #endif |
70 | #endif |