fixdep.c (fc8e1ead9314cf0e0f1922e661428b93d3a50d88) fixdep.c (4356f4890792a678936c93c9196e8f7742e04535)
1/*
2 * "Optimize" a list of dependencies as spit out by gcc -MD
3 * for the kernel build
4 * ===========================================================================
5 *
6 * Author Kai Germaschewski
7 * Copyright 2002 by Kai Germaschewski <kai.germaschewski@gmx.de>
8 *

--- 111 unchanged lines hidden (view full) ---

120#define INT_ONFI ntohl(0x4f4e4649)
121#define INT_NFIG ntohl(0x4e464947)
122#define INT_FIG_ ntohl(0x4649475f)
123
124char *target;
125char *depfile;
126char *cmdline;
127
1/*
2 * "Optimize" a list of dependencies as spit out by gcc -MD
3 * for the kernel build
4 * ===========================================================================
5 *
6 * Author Kai Germaschewski
7 * Copyright 2002 by Kai Germaschewski <kai.germaschewski@gmx.de>
8 *

--- 111 unchanged lines hidden (view full) ---

120#define INT_ONFI ntohl(0x4f4e4649)
121#define INT_NFIG ntohl(0x4e464947)
122#define INT_FIG_ ntohl(0x4649475f)
123
124char *target;
125char *depfile;
126char *cmdline;
127
128void usage(void)
128static void usage(void)
129
130{
131 fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
132 exit(1);
133}
134
135/*
136 * Print out the commandline prefixed with cmd_<target filename> :=
137 */
129
130{
131 fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
132 exit(1);
133}
134
135/*
136 * Print out the commandline prefixed with cmd_<target filename> :=
137 */
138void print_cmdline(void)
138static void print_cmdline(void)
139{
140 printf("cmd_%s := %s\n\n", target, cmdline);
141}
142
143char * str_config = NULL;
144int size_config = 0;
145int len_config = 0;
146
147/*
148 * Grow the configuration string to a desired length.
149 * Usually the first growth is plenty.
150 */
139{
140 printf("cmd_%s := %s\n\n", target, cmdline);
141}
142
143char * str_config = NULL;
144int size_config = 0;
145int len_config = 0;
146
147/*
148 * Grow the configuration string to a desired length.
149 * Usually the first growth is plenty.
150 */
151void grow_config(int len)
151static void grow_config(int len)
152{
153 while (len_config + len > size_config) {
154 if (size_config == 0)
155 size_config = 2048;
156 str_config = realloc(str_config, size_config *= 2);
157 if (str_config == NULL)
158 { perror("fixdep:malloc"); exit(1); }
159 }
160}
161
162
163
164/*
165 * Lookup a value in the configuration string.
166 */
152{
153 while (len_config + len > size_config) {
154 if (size_config == 0)
155 size_config = 2048;
156 str_config = realloc(str_config, size_config *= 2);
157 if (str_config == NULL)
158 { perror("fixdep:malloc"); exit(1); }
159 }
160}
161
162
163
164/*
165 * Lookup a value in the configuration string.
166 */
167int is_defined_config(const char * name, int len)
167static int is_defined_config(const char * name, int len)
168{
169 const char * pconfig;
170 const char * plast = str_config + len_config - len;
171 for ( pconfig = str_config + 1; pconfig < plast; pconfig++ ) {
172 if (pconfig[ -1] == '\n'
173 && pconfig[len] == '\n'
174 && !memcmp(pconfig, name, len))
175 return 1;
176 }
177 return 0;
178}
179
180/*
181 * Add a new value to the configuration string.
182 */
168{
169 const char * pconfig;
170 const char * plast = str_config + len_config - len;
171 for ( pconfig = str_config + 1; pconfig < plast; pconfig++ ) {
172 if (pconfig[ -1] == '\n'
173 && pconfig[len] == '\n'
174 && !memcmp(pconfig, name, len))
175 return 1;
176 }
177 return 0;
178}
179
180/*
181 * Add a new value to the configuration string.
182 */
183void define_config(const char * name, int len)
183static void define_config(const char * name, int len)
184{
185 grow_config(len + 1);
186
187 memcpy(str_config+len_config, name, len);
188 len_config += len;
189 str_config[len_config++] = '\n';
190}
191
192/*
193 * Clear the set of configuration strings.
194 */
184{
185 grow_config(len + 1);
186
187 memcpy(str_config+len_config, name, len);
188 len_config += len;
189 str_config[len_config++] = '\n';
190}
191
192/*
193 * Clear the set of configuration strings.
194 */
195void clear_config(void)
195static void clear_config(void)
196{
197 len_config = 0;
198 define_config("", 0);
199}
200
201/*
202 * Record the use of a CONFIG_* word.
203 */
196{
197 len_config = 0;
198 define_config("", 0);
199}
200
201/*
202 * Record the use of a CONFIG_* word.
203 */
204void use_config(char *m, int slen)
204static void use_config(char *m, int slen)
205{
206 char s[PATH_MAX];
207 char *p;
208
209 if (is_defined_config(m, slen))
210 return;
211
212 define_config(m, slen);

--- 4 unchanged lines hidden (view full) ---

217 if (*p == '_')
218 *p = '/';
219 else
220 *p = tolower((int)*p);
221 }
222 printf(" $(wildcard include/config/%s.h) \\\n", s);
223}
224
205{
206 char s[PATH_MAX];
207 char *p;
208
209 if (is_defined_config(m, slen))
210 return;
211
212 define_config(m, slen);

--- 4 unchanged lines hidden (view full) ---

217 if (*p == '_')
218 *p = '/';
219 else
220 *p = tolower((int)*p);
221 }
222 printf(" $(wildcard include/config/%s.h) \\\n", s);
223}
224
225void parse_config_file(char *map, size_t len)
225static void parse_config_file(char *map, size_t len)
226{
227 int *end = (int *) (map + len);
228 /* start at +1, so that p can never be < map */
229 int *m = (int *) map + 1;
230 char *p, *q;
231
232 for (; m < end; m++) {
233 if (*m == INT_CONF) { p = (char *) m ; goto conf; }

--- 17 unchanged lines hidden (view full) ---

251 q -= 7;
252 if( (q-p-7) < 0 )
253 continue;
254 use_config(p+7, q-p-7);
255 }
256}
257
258/* test is s ends in sub */
226{
227 int *end = (int *) (map + len);
228 /* start at +1, so that p can never be < map */
229 int *m = (int *) map + 1;
230 char *p, *q;
231
232 for (; m < end; m++) {
233 if (*m == INT_CONF) { p = (char *) m ; goto conf; }

--- 17 unchanged lines hidden (view full) ---

251 q -= 7;
252 if( (q-p-7) < 0 )
253 continue;
254 use_config(p+7, q-p-7);
255 }
256}
257
258/* test is s ends in sub */
259int strrcmp(char *s, char *sub)
259static int strrcmp(char *s, char *sub)
260{
261 int slen = strlen(s);
262 int sublen = strlen(sub);
263
264 if (sublen > slen)
265 return 1;
266
267 return memcmp(s + slen - sublen, sub, sublen);
268}
269
260{
261 int slen = strlen(s);
262 int sublen = strlen(sub);
263
264 if (sublen > slen)
265 return 1;
266
267 return memcmp(s + slen - sublen, sub, sublen);
268}
269
270void do_config_file(char *filename)
270static void do_config_file(char *filename)
271{
272 struct stat st;
273 int fd;
274 void *map;
275
276 fd = open(filename, O_RDONLY);
277 if (fd < 0) {
278 fprintf(stderr, "fixdep: ");

--- 14 unchanged lines hidden (view full) ---

293
294 parse_config_file(map, st.st_size);
295
296 munmap(map, st.st_size);
297
298 close(fd);
299}
300
271{
272 struct stat st;
273 int fd;
274 void *map;
275
276 fd = open(filename, O_RDONLY);
277 if (fd < 0) {
278 fprintf(stderr, "fixdep: ");

--- 14 unchanged lines hidden (view full) ---

293
294 parse_config_file(map, st.st_size);
295
296 munmap(map, st.st_size);
297
298 close(fd);
299}
300
301void parse_dep_file(void *map, size_t len)
301static void parse_dep_file(void *map, size_t len)
302{
303 char *m = map;
304 char *end = m + len;
305 char *p;
306 char s[PATH_MAX];
307
308 p = strchr(m, ':');
309 if (!p) {

--- 23 unchanged lines hidden (view full) ---

333 do_config_file(s);
334 }
335 m = p + 1;
336 }
337 printf("\n%s: $(deps_%s)\n\n", target, target);
338 printf("$(deps_%s):\n", target);
339}
340
302{
303 char *m = map;
304 char *end = m + len;
305 char *p;
306 char s[PATH_MAX];
307
308 p = strchr(m, ':');
309 if (!p) {

--- 23 unchanged lines hidden (view full) ---

333 do_config_file(s);
334 }
335 m = p + 1;
336 }
337 printf("\n%s: $(deps_%s)\n\n", target, target);
338 printf("$(deps_%s):\n", target);
339}
340
341void print_deps(void)
341static void print_deps(void)
342{
343 struct stat st;
344 int fd;
345 void *map;
346
347 fd = open(depfile, O_RDONLY);
348 if (fd < 0) {
349 fprintf(stderr, "fixdep: ");

--- 15 unchanged lines hidden (view full) ---

365
366 parse_dep_file(map, st.st_size);
367
368 munmap(map, st.st_size);
369
370 close(fd);
371}
372
342{
343 struct stat st;
344 int fd;
345 void *map;
346
347 fd = open(depfile, O_RDONLY);
348 if (fd < 0) {
349 fprintf(stderr, "fixdep: ");

--- 15 unchanged lines hidden (view full) ---

365
366 parse_dep_file(map, st.st_size);
367
368 munmap(map, st.st_size);
369
370 close(fd);
371}
372
373void traps(void)
373static void traps(void)
374{
375 static char test[] __attribute__((aligned(sizeof(int)))) = "CONF";
376 int *p = (int *)test;
377
378 if (*p != INT_CONF) {
379 fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianess? %#x\n",
380 *p);
381 exit(2);

--- 19 unchanged lines hidden --- 		374{
375 static char test[] __attribute__((aligned(sizeof(int)))) = "CONF";
376 int *p = (int *)test;
377
378 if (*p != INT_CONF) {
379 fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianess? %#x\n",
380 *p);
381 exit(2);

--- 19 unchanged lines hidden ---