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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-11-24 01:04:38 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2019-11-25 21:04:33 +0900
commit4bfe2b7816a6e97fba7b4125166b33db4b31d29d (patch)
treeba219d24a43bd475bdc5bb8554f77e030d7a0280 /scripts/kallsyms.c
parentscripts/kallsyms: make find_token() return (unsigned char *) (diff)
downloadlinux-dev-4bfe2b7816a6e97fba7b4125166b33db4b31d29d.tar.xz
linux-dev-4bfe2b7816a6e97fba7b4125166b33db4b31d29d.zip
scripts/kallsyms: add const qualifiers where possible
Add 'const' where a function does not write to the pointer dereferenes. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to '')
-rw-r--r--scripts/kallsyms.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 274a77bfbd63..056bde436540 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -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;