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elf: Introduce is_rtld_link_map

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Unconditionally define it to false for static builds.

This avoids the awkward use of weak_extern for _dl_rtld_map
in checks that cannot be possibly true on static builds.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2024-12-20 15:52:57 +01:00
parent 322e9d4e44
commit 2b1dba3eb3
10 changed files with 28 additions and 56 deletions
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7
elf/dl-dst.h
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@@ -18,11 +18,6 @@
#include "trusted-dirs.h"
#ifdef SHARED
# define IS_RTLD(l) (l) == &GL(dl_rtld_map)
#else
# define IS_RTLD(l) 0
#endif
/* Guess from the number of DSTs the length of the result string. */
#define DL_DST_REQUIRED(l, name, len, cnt) \
({ \
@@ -44,7 +39,7 @@
auditing, in ld.so. */ \
if ((l)->l_origin == NULL) \
{ \
assert ((l)->l_name[0] == '\0' || IS_RTLD (l)); \
assert ((l)->l_name[0] == '\0' || is_rtld_link_map (l)); \
(l)->l_origin = _dl_get_origin (); \
dst_len = ((l)->l_origin && (l)->l_origin != (char *) -1 \
? strlen ((l)->l_origin) : 0); \