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Line 35... Line 35...
35
 * @brief   Kernel symbol resolver.
35
 * @brief   Kernel symbol resolver.
36
 */
36
 */
37
 
37
 
38
#include <symtab.h>
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#include <symtab.h>
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#include <byteorder.h>
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#include <byteorder.h>
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#include <func.h>
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#include <string.h>
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#include <print.h>
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#include <print.h>
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#include <arch/types.h>
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#include <arch/types.h>
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#include <typedefs.h>
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#include <typedefs.h>
-
 
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#include <errno.h>
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/** Return entry that seems most likely to correspond to argument.
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/** Get name of symbol that seems most likely to correspond to address.
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 *
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 *
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 * Return entry that seems most likely to correspond
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 * @param addr  Address.
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 * to address passed in the argument.
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 * @param name  Place to store pointer to the symbol name.
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 *
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 *
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 * @param addr Address.
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 * @return  Zero on success or negative error code, ENOENT if not found,
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 *
-
 
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 * @return Pointer to respective symbol string on success, NULL otherwise.
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 *      ENOTSUP if symbol table not available.
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 */
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 */
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char * get_symtab_entry(unative_t addr)
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int symtab_name_lookup(unative_t addr, char **name)
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{
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{
-
 
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#ifdef CONFIG_SYMTAB
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    count_t i;
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    count_t i;
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58
 
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    for (i = 1; symbol_table[i].address_le; ++i) {
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    for (i = 1; symbol_table[i].address_le; ++i) {
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        if (addr < uint64_t_le2host(symbol_table[i].address_le))
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        if (addr < uint64_t_le2host(symbol_table[i].address_le))
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            break;
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            break;
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    }
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    }
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    if (addr >= uint64_t_le2host(symbol_table[i - 1].address_le))
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    if (addr >= uint64_t_le2host(symbol_table[i - 1].address_le)) {
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        return symbol_table[i - 1].symbol_name;
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        *name = symbol_table[i - 1].symbol_name;
-
 
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        return EOK;
-
 
66
    }
-
 
67
 
-
 
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    *name = NULL;
64
    return NULL;
69
    return ENOENT;
-
 
70
#else
-
 
71
    *name = NULL;
-
 
72
    return ENOTSUP;
-
 
73
#endif
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}
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}
66
 
75
 
-
 
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/** Lookup symbol by address and format for display.
-
 
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 *
-
 
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 * Returns name of closest corresponding symbol, "Not found" if none exists
-
 
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 * or "N/A" if no symbol information is available.
-
 
80
 *
-
 
81
 * @param addr  Address.
-
 
82
 * @param name  Place to store pointer to the symbol name.
-
 
83
 *
-
 
84
 * @return  Pointer to a human-readable string.
-
 
85
 */
-
 
86
char *symtab_fmt_name_lookup(unative_t addr)
-
 
87
{
-
 
88
    int rc;
-
 
89
    char *name;
-
 
90
 
-
 
91
    rc = symtab_name_lookup(addr, &name);
-
 
92
    switch (rc) {
-
 
93
    case EOK: return name;
-
 
94
    case ENOENT: return "Not found";
-
 
95
    default: return "N/A";
-
 
96
    }
-
 
97
}
-
 
98
 
-
 
99
#ifdef CONFIG_SYMTAB
-
 
100
 
67
/** Find symbols that match the parameter forward and print them.
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/** Find symbols that match the parameter forward and print them.
68
 *
102
 *
69
 * @param name - search string
103
 * @param name - search string
70
 * @param startpos - starting position, changes to found position
104
 * @param startpos - starting position, changes to found position
71
 * @return Pointer to the part of string that should be completed or NULL
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 * @return Pointer to the part of string that should be completed or NULL
Line 100... Line 134...
100
        }
134
        }
101
    }
135
    }
102
    return NULL;
136
    return NULL;
103
}
137
}
104
 
138
 
-
 
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#endif
-
 
140
 
105
/** Return address that corresponds to the entry
141
/** Return address that corresponds to the entry
106
 *
142
 *
107
 * Search symbol table, and if there is one match, return it
143
 * Search symbol table, and if there is one match, return it
108
 *
144
 *
109
 * @param name Name of the symbol
145
 * @param name  Name of the symbol
-
 
146
 * @param addr  Place to store symbol address
-
 
147
 *
110
 * @return 0 - Not found, -1 - Duplicate symbol, other - address of symbol
148
 * @return  Zero on success, ENOENT - not found, EOVERFLOW - duplicate
-
 
149
 *      symbol, ENOTSUP - no symbol information available.
111
 */
150
 */
112
uintptr_t get_symbol_addr(const char *name)
151
int symtab_addr_lookup(const char *name, uintptr_t *addr)
113
{
152
{
-
 
153
#ifdef CONFIG_SYMTAB
114
    count_t found = 0;
154
    count_t found = 0;
115
    uintptr_t addr = NULL;
-
 
116
    char *hint;
155
    char *hint;
117
    int i;
156
    int i;
118
 
157
 
119
    i = 0;
158
    i = 0;
120
    while ((hint = symtab_search_one(name, &i))) {
159
    while ((hint = symtab_search_one(name, &i))) {
121
        if (!strlen(hint)) {
160
        if (!strlen(hint)) {
122
            addr =  uint64_t_le2host(symbol_table[i].address_le);
161
            *addr =  uint64_t_le2host(symbol_table[i].address_le);
123
            found++;
162
            found++;
124
        }
163
        }
125
        i++;
164
        i++;
126
    }
165
    }
127
    if (found > 1)
166
    if (found > 1)
128
        return ((uintptr_t) -1);
167
        return EOVERFLOW;
-
 
168
    if (found < 1)
-
 
169
        return ENOENT;
129
    return addr;
170
    return EOK;
-
 
171
#else
-
 
172
    return ENOTSUP;
-
 
173
#endif
130
}
174
}
131
 
175
 
132
/** Find symbols that match parameter and prints them */
176
/** Find symbols that match parameter and prints them */
133
void symtab_print_search(const char *name)
177
void symtab_print_search(const char *name)
134
{
178
{
-
 
179
#ifdef CONFIG_SYMTAB
135
    int i;
180
    int i;
136
    uintptr_t addr;
181
    uintptr_t addr;
137
    char *realname;
182
    char *realname;
138
 
183
 
139
 
184
 
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142
        addr =  uint64_t_le2host(symbol_table[i].address_le);
187
        addr =  uint64_t_le2host(symbol_table[i].address_le);
143
        realname = symbol_table[i].symbol_name;
188
        realname = symbol_table[i].symbol_name;
144
        printf("%p: %s\n", addr, realname);
189
        printf("%p: %s\n", addr, realname);
145
        i++;
190
        i++;
146
    }
191
    }
-
 
192
#else
-
 
193
    printf("No symbol information available.\n");
-
 
194
#endif
147
}
195
}
148
 
196
 
149
/** Symtab completion
197
/** Symtab completion
150
 *
198
 *
151
 * @param input - Search string, completes to symbol name
199
 * @param input - Search string, completes to symbol name
152
 * @returns - 0 - nothing found, 1 - success, >1 print duplicates
200
 * @returns - 0 - nothing found, 1 - success, >1 print duplicates
153
 */
201
 */
154
int symtab_compl(char *input)
202
int symtab_compl(char *input)
155
{
203
{
-
 
204
#ifdef CONFIG_SYMTAB
156
    char output[MAX_SYMBOL_NAME + 1];
205
    char output[MAX_SYMBOL_NAME + 1];
157
    int startpos = 0;
206
    int startpos = 0;
158
    char *foundtxt;
207
    char *foundtxt;
159
    int found = 0;
208
    int found = 0;
160
    int i;
209
    int i;
Line 194... Line 243...
194
            startpos++;
243
            startpos++;
195
        }
244
        }
196
    }
245
    }
197
    strncpy(input, output, MAX_SYMBOL_NAME);
246
    strncpy(input, output, MAX_SYMBOL_NAME);
198
    return found;
247
    return found;
199
   
248
#else
-
 
249
    return 0;
-
 
250
#endif
200
}
251
}
201
 
252
 
202
/** @}
253
/** @}
203
 */
254
 */