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Diffstat (limited to 'lib/vsprintf.c')
-rw-r--r--lib/vsprintf.c69
1 files changed, 43 insertions, 26 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 46d34b0b74a..b8a2f549ab0 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -267,7 +267,8 @@ int strict_strtoll(const char *cp, unsigned int base, long long *res)
}
EXPORT_SYMBOL(strict_strtoll);
-static int skip_atoi(const char **s)
+static noinline_for_stack
+int skip_atoi(const char **s)
{
int i = 0;
@@ -287,7 +288,8 @@ static int skip_atoi(const char **s)
/* Formats correctly any integer in [0,99999].
* Outputs from one to five digits depending on input.
* On i386 gcc 4.1.2 -O2: ~250 bytes of code. */
-static char *put_dec_trunc(char *buf, unsigned q)
+static noinline_for_stack
+char *put_dec_trunc(char *buf, unsigned q)
{
unsigned d3, d2, d1, d0;
d1 = (q>>4) & 0xf;
@@ -324,7 +326,8 @@ static char *put_dec_trunc(char *buf, unsigned q)
return buf;
}
/* Same with if's removed. Always emits five digits */
-static char *put_dec_full(char *buf, unsigned q)
+static noinline_for_stack
+char *put_dec_full(char *buf, unsigned q)
{
/* BTW, if q is in [0,9999], 8-bit ints will be enough, */
/* but anyway, gcc produces better code with full-sized ints */
@@ -366,7 +369,8 @@ static char *put_dec_full(char *buf, unsigned q)
return buf;
}
/* No inlining helps gcc to use registers better */
-static noinline char *put_dec(char *buf, unsigned long long num)
+static noinline_for_stack
+char *put_dec(char *buf, unsigned long long num)
{
while (1) {
unsigned rem;
@@ -417,8 +421,9 @@ struct printf_spec {
s16 precision; /* # of digits/chars */
};
-static char *number(char *buf, char *end, unsigned long long num,
- struct printf_spec spec)
+static noinline_for_stack
+char *number(char *buf, char *end, unsigned long long num,
+ struct printf_spec spec)
{
/* we are called with base 8, 10 or 16, only, thus don't need "G..." */
static const char digits[16] = "0123456789ABCDEF"; /* "GHIJKLMNOPQRSTUVWXYZ"; */
@@ -537,7 +542,8 @@ static char *number(char *buf, char *end, unsigned long long num,
return buf;
}
-static char *string(char *buf, char *end, const char *s, struct printf_spec spec)
+static noinline_for_stack
+char *string(char *buf, char *end, const char *s, struct printf_spec spec)
{
int len, i;
@@ -567,8 +573,9 @@ static char *string(char *buf, char *end, const char *s, struct printf_spec spec
return buf;
}
-static char *symbol_string(char *buf, char *end, void *ptr,
- struct printf_spec spec, char ext)
+static noinline_for_stack
+char *symbol_string(char *buf, char *end, void *ptr,
+ struct printf_spec spec, char ext)
{
unsigned long value = (unsigned long) ptr;
#ifdef CONFIG_KALLSYMS
@@ -588,8 +595,9 @@ static char *symbol_string(char *buf, char *end, void *ptr,
#endif
}
-static char *resource_string(char *buf, char *end, struct resource *res,
- struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *resource_string(char *buf, char *end, struct resource *res,
+ struct printf_spec spec, const char *fmt)
{
#ifndef IO_RSRC_PRINTK_SIZE
#define IO_RSRC_PRINTK_SIZE 6
@@ -690,8 +698,9 @@ static char *resource_string(char *buf, char *end, struct resource *res,
return string(buf, end, sym, spec);
}
-static char *mac_address_string(char *buf, char *end, u8 *addr,
- struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *mac_address_string(char *buf, char *end, u8 *addr,
+ struct printf_spec spec, const char *fmt)
{
char mac_addr[sizeof("xx:xx:xx:xx:xx:xx")];
char *p = mac_addr;
@@ -714,7 +723,8 @@ static char *mac_address_string(char *buf, char *end, u8 *addr,
return string(buf, end, mac_addr, spec);
}
-static char *ip4_string(char *p, const u8 *addr, const char *fmt)
+static noinline_for_stack
+char *ip4_string(char *p, const u8 *addr, const char *fmt)
{
int i;
bool leading_zeros = (fmt[0] == 'i');
@@ -763,7 +773,8 @@ static char *ip4_string(char *p, const u8 *addr, const char *fmt)
return p;
}
-static char *ip6_compressed_string(char *p, const char *addr)
+static noinline_for_stack
+char *ip6_compressed_string(char *p, const char *addr)
{
int i, j, range;
unsigned char zerolength[8];
@@ -843,7 +854,8 @@ static char *ip6_compressed_string(char *p, const char *addr)
return p;
}
-static char *ip6_string(char *p, const char *addr, const char *fmt)
+static noinline_for_stack
+char *ip6_string(char *p, const char *addr, const char *fmt)
{
int i;
@@ -858,8 +870,9 @@ static char *ip6_string(char *p, const char *addr, const char *fmt)
return p;
}
-static char *ip6_addr_string(char *buf, char *end, const u8 *addr,
- struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *ip6_addr_string(char *buf, char *end, const u8 *addr,
+ struct printf_spec spec, const char *fmt)
{
char ip6_addr[sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255")];
@@ -871,8 +884,9 @@ static char *ip6_addr_string(char *buf, char *end, const u8 *addr,
return string(buf, end, ip6_addr, spec);
}
-static char *ip4_addr_string(char *buf, char *end, const u8 *addr,
- struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *ip4_addr_string(char *buf, char *end, const u8 *addr,
+ struct printf_spec spec, const char *fmt)
{
char ip4_addr[sizeof("255.255.255.255")];
@@ -881,8 +895,9 @@ static char *ip4_addr_string(char *buf, char *end, const u8 *addr,
return string(buf, end, ip4_addr, spec);
}
-static char *uuid_string(char *buf, char *end, const u8 *addr,
- struct printf_spec spec, const char *fmt)
+static noinline_for_stack
+char *uuid_string(char *buf, char *end, const u8 *addr,
+ struct printf_spec spec, const char *fmt)
{
char uuid[sizeof("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx")];
char *p = uuid;
@@ -970,8 +985,9 @@ static char *uuid_string(char *buf, char *end, const u8 *addr,
* function pointers are really function descriptors, which contain a
* pointer to the real address.
*/
-static char *pointer(const char *fmt, char *buf, char *end, void *ptr,
- struct printf_spec spec)
+static noinline_for_stack
+char *pointer(const char *fmt, char *buf, char *end, void *ptr,
+ struct printf_spec spec)
{
if (!ptr)
return string(buf, end, "(null)", spec);
@@ -1040,7 +1056,8 @@ static char *pointer(const char *fmt, char *buf, char *end, void *ptr,
* @precision: precision of a number
* @qualifier: qualifier of a number (long, size_t, ...)
*/
-static int format_decode(const char *fmt, struct printf_spec *spec)
+static noinline_for_stack
+int format_decode(const char *fmt, struct printf_spec *spec)
{
const char *start = fmt;
@@ -1980,7 +1997,7 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
{
char *s = (char *)va_arg(args, char *);
if (field_width == -1)
- field_width = SHORT_MAX;
+ field_width = SHRT_MAX;
/* first, skip leading white space in buffer */
str = skip_spaces(str);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-02 15:40:54 +0000