Initial revision

cpukit/libmisc/monitor/symbols.h

@@ -0,0 +1,80 @@
+/*
+ *  File:       symbols.h
+ *
+ *  Description:
+ *      Entry points for symbol table routines.
+ *
+ *
+ *
+ *  TODO:
+ *
+ */
+
+#ifndef _INCLUDE_SYMBOLS_H
+#define _INCLUDE_SYMBOLS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    rtems_unsigned32 value;
+    char            *name;
+} rtems_symbol_t;
+
+#define SYMBOL_STRING_BLOCK_SIZE 4080
+typedef struct rtems_symbol_string_block_s {
+    struct rtems_symbol_string_block_s *next;
+    char   buffer[SYMBOL_STRING_BLOCK_SIZE];
+} rtems_symbol_string_block_t;
+
+typedef struct {
+
+    rtems_unsigned32 sorted;            /* are symbols sorted right now? */
+
+    rtems_unsigned32 growth_factor;     /* % to grow by when needed */
+
+    rtems_unsigned32 next;              /* next symbol slot to use when adding */
+    rtems_unsigned32 size;              /* max # of symbols */
+
+    /*
+     * Symbol list -- sorted by address (when we do a lookup)
+     */
+
+    rtems_symbol_t  *addresses;         /* symbol array by address */
+
+    /*
+     * String list -- sorted by name (when we do a lookup)
+     * This is a duplicate of the info in table->addresses, but it's
+     * pretty small, so I don't worry about it.
+     */
+
+    rtems_symbol_t  *symbols;           /* symbol array */
+
+    /*
+     * String pool, unsorted, a list of blocks of string data
+     */
+
+    rtems_symbol_string_block_t *string_buffer_head;
+    rtems_symbol_string_block_t *string_buffer_current;
+    rtems_unsigned32 strings_next;      /* next byte to use in this block */
+
+} rtems_symbol_table_t;
+
+void                  rtems_symbol_table_destroy(rtems_symbol_table_t *table);
+rtems_symbol_table_t *rtems_symbol_table_create();
+rtems_symbol_t       *rtems_symbol_create(rtems_symbol_table_t *,
+                                          char *, rtems_unsigned32);
+rtems_symbol_t       *rtems_symbol_value_lookup(rtems_symbol_table_t *,
+                                                rtems_unsigned32);
+rtems_symbol_t       *rtems_symbol_name_lookup(rtems_symbol_table_t *,
+                                                char *);
+
+#define rtems_symbol_name(sp)   ((sp)->name)
+#define rtems_symbol_value(sp)  ((sp)->value)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! _INCLUDE_SYMBOLS_H */