diff options
Diffstat (limited to 'scripts/kallsyms.c')
| -rw-r--r-- | scripts/kallsyms.c | 49 |
1 files changed, 12 insertions, 37 deletions
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 5abfbf1b8fe2..a9186a98a37d 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -62,7 +62,6 @@ static struct sym_entry *table; static unsigned int table_size, table_cnt; static int all_symbols = 0; static int absolute_percpu = 0; -static char symbol_prefix_char = '\0'; static int base_relative = 0; int token_profit[0x10000]; @@ -75,7 +74,6 @@ unsigned char best_table_len[256]; static void usage(void) { fprintf(stderr, "Usage: kallsyms [--all-symbols] " - "[--symbol-prefix=<prefix char>] " "[--base-relative] < in.map > out.S\n"); exit(1); } @@ -113,28 +111,22 @@ static int check_symbol_range(const char *sym, unsigned long long addr, static int read_symbol(FILE *in, struct sym_entry *s) { - char str[500]; - char *sym, stype; + char sym[500], stype; int rc; - rc = fscanf(in, "%llx %c %499s\n", &s->addr, &stype, str); + rc = fscanf(in, "%llx %c %499s\n", &s->addr, &stype, sym); if (rc != 3) { - if (rc != EOF && fgets(str, 500, in) == NULL) + if (rc != EOF && fgets(sym, 500, in) == NULL) fprintf(stderr, "Read error or end of file.\n"); return -1; } - if (strlen(str) > KSYM_NAME_LEN) { + if (strlen(sym) > KSYM_NAME_LEN) { fprintf(stderr, "Symbol %s too long for kallsyms (%zu vs %d).\n" "Please increase KSYM_NAME_LEN both in kernel and kallsyms.c\n", - str, strlen(str), KSYM_NAME_LEN); + sym, strlen(sym), KSYM_NAME_LEN); return -1; } - sym = str; - /* skip prefix char */ - if (symbol_prefix_char && str[0] == symbol_prefix_char) - sym++; - /* Ignore most absolute/undefined (?) symbols. */ if (strcmp(sym, "_text") == 0) _text = s->addr; @@ -155,7 +147,7 @@ static int read_symbol(FILE *in, struct sym_entry *s) is_arm_mapping_symbol(sym)) return -1; /* exclude also MIPS ELF local symbols ($L123 instead of .L123) */ - else if (str[0] == '$') + else if (sym[0] == '$') return -1; /* exclude debugging symbols */ else if (stype == 'N' || stype == 'n') @@ -163,14 +155,14 @@ static int read_symbol(FILE *in, struct sym_entry *s) /* include the type field in the symbol name, so that it gets * compressed together */ - s->len = strlen(str) + 1; + s->len = strlen(sym) + 1; s->sym = malloc(s->len + 1); if (!s->sym) { fprintf(stderr, "kallsyms failure: " "unable to allocate required amount of memory\n"); exit(EXIT_FAILURE); } - strcpy((char *)s->sym + 1, str); + strcpy((char *)s->sym + 1, sym); s->sym[0] = stype; s->percpu_absolute = 0; @@ -233,11 +225,6 @@ static int symbol_valid(struct sym_entry *s) int i; char *sym_name = (char *)s->sym + 1; - /* skip prefix char */ - if (symbol_prefix_char && *sym_name == symbol_prefix_char) - sym_name++; - - /* if --all-symbols is not specified, then symbols outside the text * and inittext sections are discarded */ if (!all_symbols) { @@ -302,15 +289,9 @@ static void read_map(FILE *in) static void output_label(char *label) { - if (symbol_prefix_char) - printf(".globl %c%s\n", symbol_prefix_char, label); - else - printf(".globl %s\n", label); + printf(".globl %s\n", label); printf("\tALGN\n"); - if (symbol_prefix_char) - printf("%c%s:\n", symbol_prefix_char, label); - else - printf("%s:\n", label); + printf("%s:\n", label); } /* uncompress a compressed symbol. When this function is called, the best table @@ -424,7 +405,7 @@ static void write_src(void) } output_label("kallsyms_num_syms"); - printf("\tPTR\t%d\n", table_cnt); + printf("\tPTR\t%u\n", table_cnt); printf("\n"); /* table of offset markers, that give the offset in the compressed stream @@ -768,13 +749,7 @@ int main(int argc, char **argv) all_symbols = 1; else if (strcmp(argv[i], "--absolute-percpu") == 0) absolute_percpu = 1; - else if (strncmp(argv[i], "--symbol-prefix=", 16) == 0) { - char *p = &argv[i][16]; - /* skip quote */ - if ((*p == '"' && *(p+2) == '"') || (*p == '\'' && *(p+2) == '\'')) - p++; - symbol_prefix_char = *p; - } else if (strcmp(argv[i], "--base-relative") == 0) + else if (strcmp(argv[i], "--base-relative") == 0) base_relative = 1; else usage(); |