static unsigned int table_size, table_cnt;
static int all_symbols = 0;
static char symbol_prefix_char = '\0';
+static unsigned long long kernel_start_addr = 0;
int token_profit[0x10000];
static void usage(void)
{
- fprintf(stderr, "Usage: kallsyms [--all-symbols] [--symbol-prefix=<prefix char>] < in.map > out.S\n");
+ fprintf(stderr, "Usage: kallsyms [--all-symbols] "
+ "[--symbol-prefix=<prefix char>] "
+ "[--page-offset=<CONFIG_PAGE_OFFSET>] "
+ "< in.map > out.S\n");
exit(1);
}
rc = fscanf(in, "%llx %c %499s\n", &s->addr, &stype, str);
if (rc != 3) {
- if (rc != EOF) {
- /* skip line. sym is used as dummy to
- * shut of "warn_unused_result" warning.
- */
- sym = fgets(str, 500, in);
- }
+ if (rc != EOF && fgets(str, 500, in) == NULL)
+ fprintf(stderr, "Read error or end of file.\n");
return -1;
}
int i;
int offset = 1;
+ if (s->addr < kernel_start_addr)
+ return 0;
+
/* skip prefix char */
if (symbol_prefix_char && *(s->sym + 1) == symbol_prefix_char)
offset++;
/* find the token with the breates profit value */
best = find_best_token();
+ if (token_profit[best] == 0)
+ break;
/* place it in the "best" table */
best_table_len[i] = 2;
if ((*p == '"' && *(p+2) == '"') || (*p == '\'' && *(p+2) == '\''))
p++;
symbol_prefix_char = *p;
+ } else if (strncmp(argv[i], "--page-offset=", 14) == 0) {
+ const char *p = &argv[i][14];
+ kernel_start_addr = strtoull(p, NULL, 16);
} else
usage();
}