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x86-64: Mark internal symbols with attribute_hidden [BZ #18822]

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Since __syscall_clock_gettime and __start_context are internal symbols
for Linux/x86-64, mark them with attribute_hidden.

	[BZ #18822]
	* sysdeps/unix/sysv/linux/x86_64/init-first.c
	(__syscall_clock_gettime): Add attribute_hidden.
	* sysdeps/unix/sysv/linux/x86_64/makecontext.c
	(__start_context): Likewise.
This commit is contained in:
H.J. Lu 2017-08-21 05:58:39 -07:00
parent 568ff4296c
commit 41e673c1e7
3 changed files with 10 additions and 2 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2017-08-21 H.J. Lu <hongjiu.lu@intel.com>
[BZ #18822]
* sysdeps/unix/sysv/linux/x86_64/init-first.c
(__syscall_clock_gettime): Add attribute_hidden.
* sysdeps/unix/sysv/linux/x86_64/makecontext.c
(__start_context): Likewise.
2017-08-21 H.J. Lu <hongjiu.lu@intel.com>
* include/libc-symbols.h (__hidden_proto_hiddenattr): New for

2
sysdeps/unix/sysv/linux/x86_64/init-first.c
View File

@ -27,7 +27,7 @@ long int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *)
long int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *, void *)
attribute_hidden;
extern long int __syscall_clock_gettime (clockid_t, struct timespec *);
extern __typeof (clock_gettime) __syscall_clock_gettime attribute_hidden;
static inline void

2
sysdeps/unix/sysv/linux/x86_64/makecontext.c
View File

@ -51,7 +51,7 @@
void
__makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
{
extern void __start_context (void);
extern void __start_context (void) attribute_hidden;
greg_t *sp;
unsigned int idx_uc_link;
va_list ap;