1 | /* internal.h |
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2 | * |
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3 | * This include file contains internal information |
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4 | * for the RTEMS stack checker. |
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5 | * |
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6 | * COPYRIGHT (c) 1989-1999. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * |
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9 | * The license and distribution terms for this file may be |
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10 | * found in the file LICENSE in this distribution or at |
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11 | * http://www.OARcorp.com/rtems/license.html. |
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12 | * |
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13 | * $Id$ |
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14 | */ |
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15 | |
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16 | #ifndef __INTERNAL_STACK_CHECK_h |
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17 | #define __INTERNAL_STACK_CHECK_h |
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18 | |
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19 | #ifdef __cplusplus |
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20 | extern "C" { |
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21 | #endif |
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22 | |
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23 | /* |
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24 | * This structure is used to fill in and compare the "end of stack" |
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25 | * marker pattern. |
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26 | * pattern area must be a multiple of 4 words. |
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27 | */ |
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28 | |
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29 | #ifdef CPU_STACK_CHECK_SIZE |
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30 | #define PATTERN_SIZE_WORDS (((CPU_STACK_CHECK_SIZE / 4) + 3) & ~0x3) |
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31 | #else |
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32 | #define PATTERN_SIZE_WORDS (PATTERN_SIZE_WORDS * sizeof(unsigned32)) |
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33 | #endif |
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34 | |
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35 | #define PATTERN_SIZE_BYTES (PATTERN_SIZE_WORDS * 4) |
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36 | |
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37 | typedef struct { |
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38 | unsigned32 pattern[ PATTERN_SIZE_WORDS ]; |
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39 | } Stack_check_Control; |
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40 | |
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41 | /* |
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42 | * The pattern used to fill the entire stack. |
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43 | */ |
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44 | |
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45 | #define BYTE_PATTERN 0xA5 |
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46 | #define U32_PATTERN 0xA5A5A5A5 |
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47 | |
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48 | /* |
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49 | * Stack_check_Create_extension |
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50 | */ |
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51 | |
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52 | boolean Stack_check_Create_extension( |
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53 | Thread_Control *running, |
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54 | Thread_Control *the_thread |
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55 | ); |
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56 | |
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57 | /* |
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58 | * Stack_check_Begin_extension |
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59 | */ |
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60 | |
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61 | void Stack_check_Begin_extension( |
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62 | Thread_Control *the_thread |
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63 | ); |
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64 | |
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65 | /* |
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66 | * Stack_check_Switch_extension |
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67 | */ |
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68 | |
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69 | void Stack_check_Switch_extension( |
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70 | Thread_Control *running, |
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71 | Thread_Control *heir |
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72 | ); |
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73 | |
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74 | /* |
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75 | * Stack_check_Fatal_extension |
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76 | */ |
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77 | |
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78 | void Stack_check_Fatal_extension( |
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79 | Internal_errors_Source source, |
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80 | boolean is_internal, |
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81 | unsigned32 status |
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82 | ); |
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83 | |
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84 | /* |
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85 | * Stack_check_Dump_usage |
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86 | */ |
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87 | |
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88 | void Stack_check_Dump_usage( void ); |
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89 | |
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90 | #ifdef __cplusplus |
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91 | } |
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92 | #endif |
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93 | |
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94 | #endif |
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95 | /* end of include file */ |
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