Commit 4bfe2b78 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

scripts/kallsyms: add const qualifiers where possible 



Add 'const' where a function does not write to the pointer dereferenes.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
parent 2558c138

scripts/kallsyms.c

+14 −14
Original line number Diff line number Diff line
@@ -170,11 +170,11 @@ static int read_symbol(FILE *in, struct sym_entry *s) 
	return 0;

}



static int symbol_in_range(struct sym_entry *s, struct addr_range *ranges,

			   int entries)

static int symbol_in_range(const struct sym_entry *s,

			   const struct addr_range *ranges, int entries)

{

	size_t i;

	struct addr_range *ar;

	const struct addr_range *ar;



	for (i = 0; i < entries; ++i) {

		ar = &ranges[i];
@@ -186,14 +186,14 @@ static int symbol_in_range(struct sym_entry *s, struct addr_range *ranges, 
	return 0;

}



static int symbol_valid(struct sym_entry *s)

static int symbol_valid(const struct sym_entry *s)

{

	/* Symbols which vary between passes.  Passes 1 and 2 must have

	 * identical symbol lists.  The kallsyms_* symbols below are only added

	 * after pass 1, they would be included in pass 2 when --all-symbols is

	 * specified so exclude them to get a stable symbol list.

	 */

	static char *special_symbols[] = {

	static const char * const special_symbols[] = {

		"kallsyms_addresses",

		"kallsyms_offsets",

		"kallsyms_relative_base",
@@ -208,12 +208,12 @@ static int symbol_valid(struct sym_entry *s) 
		"_SDA2_BASE_",		/* ppc */

		NULL };



	static char *special_prefixes[] = {

	static const char * const special_prefixes[] = {

		"__crc_",		/* modversions */

		"__efistub_",		/* arm64 EFI stub namespace */

		NULL };



	static char *special_suffixes[] = {

	static const char * const special_suffixes[] = {

		"_veneer",		/* arm */

		"_from_arm",		/* arm */

		"_from_thumb",		/* arm */
@@ -305,7 +305,7 @@ static void read_map(FILE *in) 
	}

}



static void output_label(char *label)

static void output_label(const char *label)

{

	printf(".globl %s\n", label);

	printf("\tALGN\n");
@@ -314,7 +314,7 @@ static void output_label(char *label) 


/* uncompress a compressed symbol. When this function is called, the best table

 * might still be compressed itself, so the function needs to be recursive */

static int expand_symbol(unsigned char *data, int len, char *result)

static int expand_symbol(const unsigned char *data, int len, char *result)

{

	int c, rlen, total=0;
@@ -339,7 +339,7 @@ static int expand_symbol(unsigned char *data, int len, char *result) 
	return total;

}



static int symbol_absolute(struct sym_entry *s)

static int symbol_absolute(const struct sym_entry *s)

{

	return s->percpu_absolute;

}
@@ -477,7 +477,7 @@ static void write_src(void) 
/* table lookup compression functions */



/* count all the possible tokens in a symbol */

static void learn_symbol(unsigned char *symbol, int len)

static void learn_symbol(const unsigned char *symbol, int len)

{

	int i;
@@ -486,7 +486,7 @@ static void learn_symbol(unsigned char *symbol, int len) 
}



/* decrease the count for all the possible tokens in a symbol */

static void forget_symbol(unsigned char *symbol, int len)

static void forget_symbol(const unsigned char *symbol, int len)

{

	int i;
@@ -504,7 +504,7 @@ static void build_initial_tok_table(void) 
}



static unsigned char *find_token(unsigned char *str, int len,

				 unsigned char *token)

				 const unsigned char *token)

{

	int i;
@@ -517,7 +517,7 @@ static unsigned char *find_token(unsigned char *str, int len, 


/* replace a given token in all the valid symbols. Use the sampled symbols

 * to update the counts */

static void compress_symbols(unsigned char *str, int idx)

static void compress_symbols(const unsigned char *str, int idx)

{

	unsigned int i, len, size;

	unsigned char *p1, *p2;