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Avoid "inline" after return type in function definitions.

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One group of warnings seen with -Wextra is warnings for static or
inline not at the start of a declaration (-Wold-style-declaration).

This patch fixes various such cases for inline, ensuring it comes at
the start of the declaration (after any static).  A common case of the
fix is "static inline <type> __always_inline"; the definition of
__always_inline starts with __inline, so the natural change is to
"static __always_inline <type>".  Other cases of the warning may be
harder to fix (one pattern is a function definition that gets
rewritten to be static by an including file, "#define funcname static
wrapped_funcname" or similar), but it seems worth fixing these cases
with inline anyway.

Tested for x86_64.

	* elf/dl-load.h (_dl_postprocess_loadcmd): Use __always_inline
	before return type, without separate inline.
	* elf/dl-tunables.c (maybe_enable_malloc_check): Likewise.
	* elf/dl-tunables.h (tunable_is_name): Likewise.
	* malloc/malloc.c (do_set_trim_threshold): Likewise.
	(do_set_top_pad): Likewise.
	(do_set_mmap_threshold): Likewise.
	(do_set_mmaps_max): Likewise.
	(do_set_mallopt_check): Likewise.
	(do_set_perturb_byte): Likewise.
	(do_set_arena_test): Likewise.
	(do_set_arena_max): Likewise.
	(do_set_tcache_max): Likewise.
	(do_set_tcache_count): Likewise.
	(do_set_tcache_unsorted_limit): Likewise.
	* nis/nis_subr.c (count_dots): Likewise.
	* nptl/allocatestack.c (advise_stack_range): Likewise.
	* sysdeps/ieee754/dbl-64/s_sin.c (do_cos): Likewise.
	(do_sin): Likewise.
	(reduce_sincos): Likewise.
	(do_sincos): Likewise.
	* sysdeps/unix/sysv/linux/x86/elision-conf.c
	(do_set_elision_enable): Likewise.
	(TUNABLE_CALLBACK_FNDECL): Likewise.
This commit is contained in:
Joseph Myers 2019-02-06 17:16:43 +00:00
parent 3b93559585
commit c2d8f0b704
9 changed files with 49 additions and 42 deletions
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27
ChangeLog
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@ -1,3 +1,30 @@
2019-02-06 Joseph Myers <joseph@codesourcery.com>
* elf/dl-load.h (_dl_postprocess_loadcmd): Use __always_inline
before return type, without separate inline.
* elf/dl-tunables.c (maybe_enable_malloc_check): Likewise.
* elf/dl-tunables.h (tunable_is_name): Likewise.
* malloc/malloc.c (do_set_trim_threshold): Likewise.
(do_set_top_pad): Likewise.
(do_set_mmap_threshold): Likewise.
(do_set_mmaps_max): Likewise.
(do_set_mallopt_check): Likewise.
(do_set_perturb_byte): Likewise.
(do_set_arena_test): Likewise.
(do_set_arena_max): Likewise.
(do_set_tcache_max): Likewise.
(do_set_tcache_count): Likewise.
(do_set_tcache_unsorted_limit): Likewise.
* nis/nis_subr.c (count_dots): Likewise.
* nptl/allocatestack.c (advise_stack_range): Likewise.
* sysdeps/ieee754/dbl-64/s_sin.c (do_cos): Likewise.
(do_sin): Likewise.
(reduce_sincos): Likewise.
(do_sincos): Likewise.
* sysdeps/unix/sysv/linux/x86/elision-conf.c
(do_set_elision_enable): Likewise.
(TUNABLE_CALLBACK_FNDECL): Likewise.
2019-02-06 Florian Weimer <fweimer@redhat.com>
* support/xdlfcn.c (xdlopen, xdlclose): Do not call dlerror.

2
elf/dl-load.h
View File

@ -83,7 +83,7 @@ struct loadcmd
/* This is a subroutine of _dl_map_segments. It should be called for each
load command, some time after L->l_addr has been set correctly. It is
responsible for setting up the l_text_end and l_phdr fields. */
static void __always_inline
static __always_inline void
_dl_postprocess_loadcmd (struct link_map *l, const ElfW(Ehdr) *header,
const struct loadcmd *c)
{

3
elf/dl-tunables.c
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@ -272,8 +272,7 @@ parse_tunables (char *tunestr, char *valstring)
for setuid binaries. We use the special version of access() to avoid
setting ERRNO, which is a TLS variable since TLS has not yet been set
up. */
static inline void
__always_inline
static __always_inline void
maybe_enable_malloc_check (void)
{
tunable_id_t id = TUNABLE_ENUM_NAME (glibc, malloc, check);

3
elf/dl-tunables.h
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@ -113,8 +113,7 @@ rtld_hidden_proto (__tunable_get_val)
# define TUNABLES_FRONTEND_yes TUNABLES_FRONTEND_valstring
/* Compare two name strings, bounded by the name hardcoded in glibc. */
static inline bool
__always_inline
static __always_inline bool
tunable_is_name (const char *orig, const char *envname)
{
for (;*orig != '\0' && *envname != '\0'; envname++, orig++)

33
malloc/malloc.c
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@ -5019,8 +5019,7 @@ __malloc_stats (void)
/*
------------------------------ mallopt ------------------------------
*/
static inline int
__always_inline
static __always_inline int
do_set_trim_threshold (size_t value)
{
LIBC_PROBE (memory_mallopt_trim_threshold, 3, value, mp_.trim_threshold,
@ -5030,8 +5029,7 @@ do_set_trim_threshold (size_t value)
return 1;
}
static inline int
__always_inline
static __always_inline int
do_set_top_pad (size_t value)
{
LIBC_PROBE (memory_mallopt_top_pad, 3, value, mp_.top_pad,
@ -5041,8 +5039,7 @@ do_set_top_pad (size_t value)
return 1;
}
static inline int
__always_inline
static __always_inline int
do_set_mmap_threshold (size_t value)
{
/* Forbid setting the threshold too high. */
@ -5057,8 +5054,7 @@ do_set_mmap_threshold (size_t value)
return 0;
}
static inline int
__always_inline
static __always_inline int
do_set_mmaps_max (int32_t value)
{
LIBC_PROBE (memory_mallopt_mmap_max, 3, value, mp_.n_mmaps_max,
@ -5068,15 +5064,13 @@ do_set_mmaps_max (int32_t value)
return 1;
}
static inline int
__always_inline
static __always_inline int
do_set_mallopt_check (int32_t value)
{
return 1;
}
static inline int
__always_inline
static __always_inline int
do_set_perturb_byte (int32_t value)
{
LIBC_PROBE (memory_mallopt_perturb, 2, value, perturb_byte);
@ -5084,8 +5078,7 @@ do_set_perturb_byte (int32_t value)
return 1;
}
static inline int
__always_inline
static __always_inline int
do_set_arena_test (size_t value)
{
LIBC_PROBE (memory_mallopt_arena_test, 2, value, mp_.arena_test);
@ -5093,8 +5086,7 @@ do_set_arena_test (size_t value)
return 1;
}
static inline int
__always_inline
static __always_inline int
do_set_arena_max (size_t value)
{
LIBC_PROBE (memory_mallopt_arena_max, 2, value, mp_.arena_max);
@ -5103,8 +5095,7 @@ do_set_arena_max (size_t value)
}
#if USE_TCACHE
static inline int
__always_inline
static __always_inline int
do_set_tcache_max (size_t value)
{
if (value >= 0 && value <= MAX_TCACHE_SIZE)
@ -5116,8 +5107,7 @@ do_set_tcache_max (size_t value)
return 1;
}
static inline int
__always_inline
static __always_inline int
do_set_tcache_count (size_t value)
{
LIBC_PROBE (memory_tunable_tcache_count, 2, value, mp_.tcache_count);
@ -5125,8 +5115,7 @@ do_set_tcache_count (size_t value)
return 1;
}
static inline int
__always_inline
static __always_inline int
do_set_tcache_unsorted_limit (size_t value)
{
LIBC_PROBE (memory_tunable_tcache_unsorted_limit, 2, value, mp_.tcache_unsorted_limit);

2
nis/nis_subr.c
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@ -91,7 +91,7 @@ nis_name_of_r (const_nis_name name, char *buffer, size_t buflen)
}
libnsl_hidden_nolink_def (nis_name_of_r, GLIBC_2_1)
static int __always_inline
static __always_inline int
count_dots (const_nis_name str)
{
int count = 0;

3
nptl/allocatestack.c
View File

@ -379,8 +379,7 @@ setup_stack_prot (char *mem, size_t size, char *guard, size_t guardsize,
/* Mark the memory of the stack as usable to the kernel. It frees everything
except for the space used for the TCB itself. */
static inline void
__always_inline
static __always_inline void
advise_stack_range (void *mem, size_t size, uintptr_t pd, size_t guardsize)
{
uintptr_t sp = (uintptr_t) CURRENT_STACK_FRAME;

12
sysdeps/ieee754/dbl-64/s_sin.c
View File

@ -97,8 +97,7 @@ int __branred (double x, double *a, double *aa);
of the number by combining the sin and cos of X (as computed by a variation
of the Taylor series) with the values looked up from the sin/cos table to
get the result. */
static inline double
__always_inline
static __always_inline double
do_cos (double x, double dx)
{
mynumber u;
@ -122,8 +121,7 @@ do_cos (double x, double dx)
the number by combining the sin and cos of X (as computed by a variation of
the Taylor series) with the values looked up from the sin/cos table to get
the result. */
static inline double
__always_inline
static __always_inline double
do_sin (double x, double dx)
{
double xold = x;
@ -151,8 +149,7 @@ do_sin (double x, double dx)
is written to *a, the low part to *da. Range reduction is accurate to 136
bits so that when x is large and *a very close to zero, all 53 bits of *a
are correct. */
static inline int4
__always_inline
static __always_inline int4
reduce_sincos (double x, double *a, double *da)
{
mynumber v;
@ -178,8 +175,7 @@ reduce_sincos (double x, double *a, double *da)
}
/* Compute sin or cos (A + DA) for the given quadrant N. */
static double
__always_inline
static __always_inline double
do_sincos (double a, double da, int4 n)
{
double retval;

6
sysdeps/unix/sysv/linux/x86/elision-conf.c
View File

@ -56,8 +56,7 @@ struct elision_config __elision_aconf =
int __pthread_force_elision attribute_hidden = 0;
#if HAVE_TUNABLES
static inline void
__always_inline
static __always_inline void
do_set_elision_enable (int32_t elision_enable)
{
/* Enable elision if it's avaliable in hardware. It's not necessary to check
@ -79,8 +78,7 @@ TUNABLE_CALLBACK (set_elision_enable) (tunable_val_t *valp)
}
#define TUNABLE_CALLBACK_FNDECL(__name, __type) \
static inline void \
__always_inline \
static __always_inline void \
do_set_elision_ ## __name (__type value) \
{ \
__elision_aconf.__name = value; \