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powerpc: Move cache line size to rtld_global_ro

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GCC 10.0 enabled -fno-common by default and this started to point that
__cache_line_size had been implemented in 2 different places: loader and
libc.

In order to avoid this duplication, the libc variable has been removed
and the loader variable is moved to rtld_global_ro.

File sysdeps/unix/sysv/linux/powerpc/dl-auxv.h has been added in order
to reuse code for both static and dynamic linking scenarios.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Tulio Magno Quites Machado Filho
2020-01-10 19:14:56 -03:00
parent c908ae0492
commit 18363b4f01
20 changed files with 314 additions and 69 deletions
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3
elf/dl-sysdep.c
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@@ -45,6 +45,7 @@
#include <tls.h>
#include <dl-tunables.h>
#include <dl-auxv.h>
extern char **_environ attribute_hidden;
extern char _end[] attribute_hidden;
@@ -180,9 +181,7 @@ _dl_sysdep_start (void **start_argptr,
case AT_RANDOM:
_dl_random = (void *) av->a_un.a_val;
break;
#ifdef DL_PLATFORM_AUXV
DL_PLATFORM_AUXV
#endif
}
#ifndef HAVE_AUX_SECURE