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Call init_cpu_features only if SHARED is defined 

In static executable, since init_cpu_features is called early from
__libc_start_main, there is no need to call it again in dl_platform_init.

	[BZ #20072]
	* sysdeps/i386/dl-machine.h (dl_platform_init): Call
	init_cpu_features only if SHARED is defined.
	* sysdeps/x86_64/dl-machine.h (dl_platform_init): Likewise.
This commit is contained in:
H.J. Lu 2016-05-13 08:29:22 -07:00
parent 9e4ec3e816
commit 4facca0b0e
3 changed files with 15 additions and 0 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
[BZ #20072]
* sysdeps/i386/dl-machine.h (dl_platform_init): Call
init_cpu_features only if SHARED is defined.
* sysdeps/x86_64/dl-machine.h (dl_platform_init): Likewise.
2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86/cacheinfo.c (init_cacheinfo): Check and support

4
sysdeps/i386/dl-machine.h
View File

@ -237,7 +237,11 @@ dl_platform_init (void)
/* Avoid an empty string which would disturb us. */
GLRO(dl_platform) = NULL;
#ifdef SHARED
/* init_cpu_features has been called early from __libc_start_main in
static executable. */
init_cpu_features (&GLRO(dl_x86_cpu_features));
#endif
}
static inline Elf32_Addr

4
sysdeps/x86_64/dl-machine.h
View File

@ -224,7 +224,11 @@ dl_platform_init (void)
/* Avoid an empty string which would disturb us. */
GLRO(dl_platform) = NULL;
#ifdef SHARED
/* init_cpu_features has been called early from __libc_start_main in
static executable. */
init_cpu_features (&GLRO(dl_x86_cpu_features));
#endif
}
static inline ElfW(Addr)