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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-support.c
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@ -36,6 +36,7 @@
#include <stackinfo.h>
#include <dl-vdso.h>
#include <dl-vdso-setup.h>
#include <dl-auxv.h>
extern char *__progname;
char **_dl_argv = &__progname; /* This is checked for some error messages. */
@ -293,9 +294,7 @@ _dl_aux_init (ElfW(auxv_t) *av)
case AT_RANDOM:
_dl_random = (void *) av->a_un.a_val;
break;
# ifdef DL_PLATFORM_AUXV
DL_PLATFORM_AUXV
# endif
}
if (seen == 0xf)
{