Rev 4346 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 4346 | Rev 4348 | ||
---|---|---|---|
Line 30... | Line 30... | ||
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** |
33 | /** |
34 | * @file |
34 | * @file |
35 | * @brief Kernel symbol resolver. |
35 | * @brief Kernel symbol resolver. |
36 | */ |
36 | */ |
37 | 37 | ||
38 | #include <symtab.h> |
38 | #include <symtab.h> |
39 | #include <byteorder.h> |
39 | #include <byteorder.h> |
40 | #include <string.h> |
40 | #include <string.h> |
41 | #include <print.h> |
41 | #include <print.h> |
42 | #include <arch/types.h> |
42 | #include <arch/types.h> |
43 | #include <typedefs.h> |
43 | #include <typedefs.h> |
44 | #include <errno.h> |
44 | #include <errno.h> |
45 | 45 | ||
46 | /** Get name of symbol that seems most likely to correspond to address. |
46 | /** Get name of a symbol that seems most likely to correspond to address. |
47 | * |
47 | * |
48 | * @param addr Address. |
48 | * @param addr Address. |
49 | * @param name Place to store pointer to the symbol name. |
49 | * @param name Place to store pointer to the symbol name. |
- | 50 | * |
|
- | 51 | * @return Zero on success or negative error code, ENOENT if not found, |
|
- | 52 | * ENOTSUP if symbol table not available. |
|
50 | * |
53 | * |
51 | * @return Zero on success or negative error code, ENOENT if not found, |
- | |
52 | * ENOTSUP if symbol table not available. |
- | |
53 | */ |
54 | */ |
54 | int symtab_name_lookup(unative_t addr, char **name) |
55 | int symtab_name_lookup(unative_t addr, char **name) |
55 | { |
56 | { |
56 | #ifdef CONFIG_SYMTAB |
57 | #ifdef CONFIG_SYMTAB |
57 | count_t i; |
58 | count_t i; |
58 | 59 | ||
59 | for (i = 1; symbol_table[i].address_le; ++i) { |
60 | for (i = 1; symbol_table[i].address_le; i++) { |
60 | if (addr < uint64_t_le2host(symbol_table[i].address_le)) |
61 | if (addr < uint64_t_le2host(symbol_table[i].address_le)) |
61 | break; |
62 | break; |
62 | } |
63 | } |
- | 64 | ||
63 | if (addr >= uint64_t_le2host(symbol_table[i - 1].address_le)) { |
65 | if (addr >= uint64_t_le2host(symbol_table[i - 1].address_le)) { |
64 | *name = symbol_table[i - 1].symbol_name; |
66 | *name = symbol_table[i - 1].symbol_name; |
65 | return EOK; |
67 | return EOK; |
66 | } |
68 | } |
67 | 69 | ||
68 | *name = NULL; |
70 | *name = NULL; |
69 | return ENOENT; |
71 | return ENOENT; |
- | 72 | ||
70 | #else |
73 | #else |
71 | *name = NULL; |
74 | *name = NULL; |
72 | return ENOTSUP; |
75 | return ENOTSUP; |
73 | #endif |
76 | #endif |
74 | } |
77 | } |
Line 76... | Line 79... | ||
76 | /** Lookup symbol by address and format for display. |
79 | /** Lookup symbol by address and format for display. |
77 | * |
80 | * |
78 | * Returns name of closest corresponding symbol, "Not found" if none exists |
81 | * Returns name of closest corresponding symbol, "Not found" if none exists |
79 | * or "N/A" if no symbol information is available. |
82 | * or "N/A" if no symbol information is available. |
80 | * |
83 | * |
81 | * @param addr Address. |
84 | * @param addr Address. |
82 | * @param name Place to store pointer to the symbol name. |
85 | * @param name Place to store pointer to the symbol name. |
- | 86 | * |
|
- | 87 | * @return Pointer to a human-readable string. |
|
83 | * |
88 | * |
84 | * @return Pointer to a human-readable string. |
- | |
85 | */ |
89 | */ |
86 | char *symtab_fmt_name_lookup(unative_t addr) |
90 | char *symtab_fmt_name_lookup(unative_t addr) |
87 | { |
91 | { |
88 | int rc; |
- | |
89 | char *name; |
92 | char *name; |
90 | - | ||
91 | rc = symtab_name_lookup(addr, &name); |
93 | int rc = symtab_name_lookup(addr, &name); |
- | 94 | ||
92 | switch (rc) { |
95 | switch (rc) { |
- | 96 | case EOK: |
|
93 | case EOK: return name; |
97 | return name; |
- | 98 | case ENOENT: |
|
94 | case ENOENT: return "Not found"; |
99 | return "Not found"; |
- | 100 | default: |
|
95 | default: return "N/A"; |
101 | return "N/A"; |
96 | } |
102 | } |
97 | } |
103 | } |
98 | 104 | ||
99 | #ifdef CONFIG_SYMTAB |
105 | #ifdef CONFIG_SYMTAB |
100 | 106 | ||
101 | /** Find symbols that match the parameter forward and print them. |
107 | /** Find symbols that match the parameter forward and print them. |
102 | * |
108 | * |
103 | * @param name - search string |
109 | * @param name Search string |
104 | * @param startpos - starting position, changes to found position |
110 | * @param startpos Starting position, changes to found position |
- | 111 | * |
|
105 | * @return Pointer to the part of string that should be completed or NULL |
112 | * @return Pointer to the part of string that should be completed or NULL. |
- | 113 | * |
|
106 | */ |
114 | */ |
107 | static char * symtab_search_one(const char *name, int *startpos) |
115 | static const char *symtab_search_one(const char *name, count_t *startpos) |
108 | { |
116 | { |
109 | unsigned int namelen = strlen(name); |
117 | count_t namelen = str_length(name); |
110 | char *curname; |
- | |
111 | int i, j; |
- | |
112 | int colonoffset = -1; |
- | |
113 | 118 | ||
114 | for (i = 0; name[i]; i++) |
119 | count_t pos; |
115 | if (name[i] == ':') { |
120 | for (pos = *startpos; symbol_table[pos].address_le; pos++) { |
116 | colonoffset = i; |
121 | const char *curname = symbol_table[pos].symbol_name; |
117 | break; |
- | |
118 | } |
122 | |
119 | - | ||
120 | for (i = *startpos; symbol_table[i].address_le; ++i) { |
- | |
121 | /* Find a ':' in name */ |
123 | /* Find a ':' in curname */ |
122 | curname = symbol_table[i].symbol_name; |
- | |
123 | for (j = 0; curname[j] && curname[j] != ':'; j++) |
124 | const char *colon = str_chr(curname, ':'); |
124 | ; |
- | |
125 | if (!curname[j]) |
125 | if (colon == NULL) |
126 | continue; |
126 | continue; |
127 | j -= colonoffset; |
- | |
128 | curname += j; |
127 | |
129 | if (strlen(curname) < namelen) |
128 | if (str_length(curname) < namelen) |
130 | continue; |
129 | continue; |
- | 130 | ||
131 | if (strncmp(curname, name, namelen) == 0) { |
131 | if (str_lcmp(name, curname, namelen) == 0) { |
132 | *startpos = i; |
132 | *startpos = pos; |
133 | return curname + namelen; |
133 | return (curname + str_lsize(curname, namelen)); |
134 | } |
134 | } |
135 | } |
135 | } |
- | 136 | ||
136 | return NULL; |
137 | return NULL; |
137 | } |
138 | } |
138 | 139 | ||
139 | #endif |
140 | #endif |
140 | 141 | ||
141 | /** Return address that corresponds to the entry |
142 | /** Return address that corresponds to the entry. |
142 | * |
143 | * |
143 | * Search symbol table, and if there is one match, return it |
144 | * Search symbol table, and if there is one match, return it |
144 | * |
145 | * |
145 | * @param name Name of the symbol |
146 | * @param name Name of the symbol |
146 | * @param addr Place to store symbol address |
147 | * @param addr Place to store symbol address |
- | 148 | * |
|
- | 149 | * @return Zero on success, ENOENT - not found, EOVERFLOW - duplicate |
|
- | 150 | * symbol, ENOTSUP - no symbol information available. |
|
147 | * |
151 | * |
148 | * @return Zero on success, ENOENT - not found, EOVERFLOW - duplicate |
- | |
149 | * symbol, ENOTSUP - no symbol information available. |
- | |
150 | */ |
152 | */ |
151 | int symtab_addr_lookup(const char *name, uintptr_t *addr) |
153 | int symtab_addr_lookup(const char *name, uintptr_t *addr) |
152 | { |
154 | { |
153 | #ifdef CONFIG_SYMTAB |
155 | #ifdef CONFIG_SYMTAB |
154 | count_t found = 0; |
156 | count_t found = 0; |
155 | char *hint; |
157 | count_t pos = 0; |
156 | int i; |
158 | const char *hint; |
157 | 159 | ||
158 | i = 0; |
- | |
159 | while ((hint = symtab_search_one(name, &i))) { |
160 | while ((hint = symtab_search_one(name, &pos))) { |
160 | if (!strlen(hint)) { |
161 | if (str_length(hint) == 0) { |
161 | *addr = uint64_t_le2host(symbol_table[i].address_le); |
162 | *addr = uint64_t_le2host(symbol_table[pos].address_le); |
162 | found++; |
163 | found++; |
163 | } |
164 | } |
164 | i++; |
165 | pos++; |
165 | } |
166 | } |
- | 167 | ||
166 | if (found > 1) |
168 | if (found > 1) |
167 | return EOVERFLOW; |
169 | return EOVERFLOW; |
- | 170 | ||
168 | if (found < 1) |
171 | if (found < 1) |
169 | return ENOENT; |
172 | return ENOENT; |
- | 173 | ||
170 | return EOK; |
174 | return EOK; |
- | 175 | ||
171 | #else |
176 | #else |
172 | return ENOTSUP; |
177 | return ENOTSUP; |
173 | #endif |
178 | #endif |
174 | } |
179 | } |
175 | 180 | ||
176 | /** Find symbols that match parameter and prints them */ |
181 | /** Find symbols that match parameter and print them */ |
177 | void symtab_print_search(const char *name) |
182 | void symtab_print_search(const char *name) |
178 | { |
183 | { |
179 | #ifdef CONFIG_SYMTAB |
184 | #ifdef CONFIG_SYMTAB |
180 | int i; |
- | |
181 | uintptr_t addr; |
185 | count_t pos = 0; |
182 | char *realname; |
- | |
183 | - | ||
184 | - | ||
185 | i = 0; |
- | |
186 | while (symtab_search_one(name, &i)) { |
186 | while (symtab_search_one(name, &pos)) { |
187 | addr = uint64_t_le2host(symbol_table[i].address_le); |
187 | uintptr_t addr = uint64_t_le2host(symbol_table[pos].address_le); |
188 | realname = symbol_table[i].symbol_name; |
188 | char *realname = symbol_table[pos].symbol_name; |
189 | printf("%p: %s\n", addr, realname); |
189 | printf("%p: %s\n", addr, realname); |
190 | i++; |
190 | pos++; |
191 | } |
191 | } |
- | 192 | ||
192 | #else |
193 | #else |
193 | printf("No symbol information available.\n"); |
194 | printf("No symbol information available.\n"); |
194 | #endif |
195 | #endif |
195 | } |
196 | } |
196 | 197 | ||
197 | /** Symtab completion |
198 | /** Symtab completion |
198 | * |
199 | * |
199 | * @param input - Search string, completes to symbol name |
200 | * @param input Search string, completes to symbol name |
- | 201 | * @param size Input buffer size |
|
- | 202 | * |
|
200 | * @returns - 0 - nothing found, 1 - success, >1 print duplicates |
203 | * @return 0 - nothing found, 1 - success, >1 print duplicates |
- | 204 | * |
|
201 | */ |
205 | */ |
202 | int symtab_compl(char *input) |
206 | int symtab_compl(char *input, count_t size) |
203 | { |
207 | { |
204 | #ifdef CONFIG_SYMTAB |
208 | #ifdef CONFIG_SYMTAB |
205 | char output[MAX_SYMBOL_NAME + 1]; |
- | |
206 | int startpos = 0; |
- | |
207 | char *foundtxt; |
- | |
208 | int found = 0; |
- | |
209 | int i; |
- | |
210 | char *name = input; |
209 | const char *name = input; |
211 | 210 | ||
212 | /* Allow completion of pointers */ |
211 | /* Allow completion of pointers */ |
213 | if (name[0] == '*' || name[0] == '&') |
212 | if ((name[0] == '*') || (name[0] == '&')) |
214 | name++; |
213 | name++; |
215 | 214 | ||
216 | /* Do not print everything */ |
215 | /* Do not print all symbols */ |
217 | if (!strlen(name)) |
216 | if (str_length(name) == 0) |
218 | return 0; |
217 | return 0; |
219 | 218 | ||
- | 219 | count_t found = 0; |
|
- | 220 | count_t pos = 0; |
|
- | 221 | const char *hint; |
|
- | 222 | char output[MAX_SYMBOL_NAME]; |
|
220 | 223 | ||
221 | output[0] = '\0'; |
224 | output[0] = 0; |
222 | 225 | ||
223 | while ((foundtxt = symtab_search_one(name, &startpos))) { |
226 | while ((hint = symtab_search_one(name, &pos))) { |
224 | startpos++; |
- | |
225 | if (!found) |
- | |
226 | strncpy(output, foundtxt, strlen(foundtxt) + 1); |
- | |
227 | else { |
- | |
228 | for (i = 0; output[i] && foundtxt[i] && |
227 | if ((found == 0) || (str_length(output) > str_length(hint))) |
229 | output[i] == foundtxt[i]; i++) |
228 | str_cpy(output, MAX_SYMBOL_NAME, hint); |
230 | ; |
229 | |
231 | output[i] = '\0'; |
- | |
232 | } |
230 | pos++; |
233 | found++; |
231 | found++; |
234 | } |
232 | } |
235 | if (!found) |
- | |
236 | return 0; |
- | |
237 | 233 | ||
238 | if (found > 1 && !strlen(output)) { |
234 | if ((found > 1) && (str_length(output) != 0)) { |
239 | printf("\n"); |
235 | printf("\n"); |
240 | startpos = 0; |
236 | pos = 0; |
241 | while ((foundtxt = symtab_search_one(name, &startpos))) { |
237 | while ((hint = symtab_search_one(name, &pos))) { |
242 | printf("%s\n", symbol_table[startpos].symbol_name); |
238 | printf("%s\n", symbol_table[pos].symbol_name); |
243 | startpos++; |
239 | pos++; |
244 | } |
240 | } |
245 | } |
241 | } |
- | 242 | ||
- | 243 | if (found > 0) |
|
246 | strncpy(input, output, MAX_SYMBOL_NAME); |
244 | str_cpy(input, size, output); |
- | 245 | ||
247 | return found; |
246 | return found; |
- | 247 | ||
248 | #else |
248 | #else |
249 | return 0; |
249 | return 0; |
250 | #endif |
250 | #endif |
251 | } |
251 | } |
252 | 252 |