scripts/kallsyms: shrink table before sorting it (5e5c4fa7) · Commits · 戴 / test

scripts/kallsyms.c

+29 −20

Original line number	Diff line number	Diff line
		@@ -268,6 +268,30 @@ static int symbol_valid(struct sym_entry *s)
		return 1;
		}

		/* remove all the invalid symbols from the table */
		static void shrink_table(void)
		{
		unsigned int i, pos;

		pos = 0;
		for (i = 0; i < table_cnt; i++) {
		if (symbol_valid(&table[i])) {
		if (pos != i)
		table[pos] = table[i];
		pos++;
		} else {
		free(table[i].sym);
		}
		}
		table_cnt = pos;

		/* When valid symbol is not registered, exit to error */
		if (!table_cnt) {
		fprintf(stderr, "No valid symbol.\n");
		exit(1);
		}
		}

		static void read_map(FILE *in)
		{
		while (!feof(in)) {
		@@ -475,23 +499,13 @@ static void forget_symbol(unsigned char *symbol, int len)
		token_profit[ symbol[i] + (symbol[i + 1] << 8) ]--;
		}

		/* remove all the invalid symbols from the table and do the initial token count */
		/* do the initial token count */
		static void build_initial_tok_table(void)
		{
		unsigned int i, pos;
		unsigned int i;

		pos = 0;
		for (i = 0; i < table_cnt; i++) {
		if ( symbol_valid(&table[i]) ) {
		if (pos != i)
		table[pos] = table[i];
		learn_symbol(table[pos].sym, table[pos].len);
		pos++;
		} else {
		free(table[i].sym);
		}
		}
		table_cnt = pos;
		for (i = 0; i < table_cnt; i++)
		learn_symbol(table[i].sym, table[i].len);
		}

		static void find_token(unsigned char str, int len, unsigned char *token)
		@@ -614,12 +628,6 @@ static void optimize_token_table(void)

		insert_real_symbols_in_table();

		/* When valid symbol is not registered, exit to error */
		if (!table_cnt) {
		fprintf(stderr, "No valid symbol.\n");
		exit(1);
		}

		optimize_result();
		}

		@@ -756,6 +764,7 @@ int main(int argc, char **argv)
		usage();

		read_map(stdin);
		shrink_table();
		if (absolute_percpu)
		make_percpus_absolute();
		if (base_relative)

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