[ac7d5ef0] | 1 | /* |
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| 2 | * File: symbols.h |
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| 3 | * |
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| 4 | * Description: |
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| 5 | * Entry points for symbol table routines. |
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| 6 | * |
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| 7 | * |
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| 8 | * |
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| 9 | * TODO: |
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| 10 | * |
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| 11 | */ |
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| 12 | |
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| 13 | #ifndef _INCLUDE_SYMBOLS_H |
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| 14 | #define _INCLUDE_SYMBOLS_H |
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| 15 | |
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| 16 | #ifdef __cplusplus |
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| 17 | extern "C" { |
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| 18 | #endif |
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| 19 | |
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| 20 | typedef struct { |
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| 21 | rtems_unsigned32 value; |
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| 22 | char *name; |
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| 23 | } rtems_symbol_t; |
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| 24 | |
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| 25 | #define SYMBOL_STRING_BLOCK_SIZE 4080 |
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| 26 | typedef struct rtems_symbol_string_block_s { |
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| 27 | struct rtems_symbol_string_block_s *next; |
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| 28 | char buffer[SYMBOL_STRING_BLOCK_SIZE]; |
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| 29 | } rtems_symbol_string_block_t; |
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| 30 | |
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| 31 | typedef struct { |
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| 32 | |
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| 33 | rtems_unsigned32 sorted; /* are symbols sorted right now? */ |
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| 34 | |
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| 35 | rtems_unsigned32 growth_factor; /* % to grow by when needed */ |
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| 36 | |
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| 37 | rtems_unsigned32 next; /* next symbol slot to use when adding */ |
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| 38 | rtems_unsigned32 size; /* max # of symbols */ |
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| 39 | |
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| 40 | /* |
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| 41 | * Symbol list -- sorted by address (when we do a lookup) |
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| 42 | */ |
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| 43 | |
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| 44 | rtems_symbol_t *addresses; /* symbol array by address */ |
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| 45 | |
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| 46 | /* |
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| 47 | * String list -- sorted by name (when we do a lookup) |
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| 48 | * This is a duplicate of the info in table->addresses, but it's |
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| 49 | * pretty small, so I don't worry about it. |
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| 50 | */ |
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| 51 | |
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| 52 | rtems_symbol_t *symbols; /* symbol array */ |
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| 53 | |
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| 54 | /* |
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| 55 | * String pool, unsorted, a list of blocks of string data |
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| 56 | */ |
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| 57 | |
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| 58 | rtems_symbol_string_block_t *string_buffer_head; |
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| 59 | rtems_symbol_string_block_t *string_buffer_current; |
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| 60 | rtems_unsigned32 strings_next; /* next byte to use in this block */ |
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| 61 | |
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| 62 | } rtems_symbol_table_t; |
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| 63 | |
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| 64 | void rtems_symbol_table_destroy(rtems_symbol_table_t *table); |
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| 65 | rtems_symbol_table_t *rtems_symbol_table_create(); |
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| 66 | rtems_symbol_t *rtems_symbol_create(rtems_symbol_table_t *, |
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| 67 | char *, rtems_unsigned32); |
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| 68 | rtems_symbol_t *rtems_symbol_value_lookup(rtems_symbol_table_t *, |
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| 69 | rtems_unsigned32); |
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| 70 | rtems_symbol_t *rtems_symbol_name_lookup(rtems_symbol_table_t *, |
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| 71 | char *); |
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| 72 | |
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| 73 | #define rtems_symbol_name(sp) ((sp)->name) |
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| 74 | #define rtems_symbol_value(sp) ((sp)->value) |
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| 75 | |
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| 76 | #ifdef __cplusplus |
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| 77 | } |
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| 78 | #endif |
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| 79 | |
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| 80 | #endif /* ! _INCLUDE_SYMBOLS_H */ |
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