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* elf/dl-minimal.c: Define _itoa_lower_digits.

	* elf/dynamic-link.h (elf_get_dynamic_info): ld.so can have
	DT_FLAGS set.
This commit is contained in:
Ulrich Drepper
2002-02-06 01:14:01 +00:00
parent ec70c01155
commit 37beecf77c
3 changed files with 17 additions and 7 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2002-02-05 Ulrich Drepper <drepper@redhat.com> 2002-02-05 Ulrich Drepper <drepper@redhat.com>
* elf/dl-minimal.c: Define _itoa_lower_digits.
* elf/dynamic-link.h (elf_get_dynamic_info): ld.so can have
DT_FLAGS set.
* elf/dl-load.c (_dl_map_object_from_fd): Prevent dynamically * elf/dl-load.c (_dl_map_object_from_fd): Prevent dynamically
loading modules with the DF_STATIC_TLS flag set. loading modules with the DF_STATIC_TLS flag set.
* elf/dynamic-link.h (elf_get_dynamic_info): Initialize l_flags * elf/dynamic-link.h (elf_get_dynamic_info): Initialize l_flags

5
elf/dl-minimal.c
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@ -334,3 +334,8 @@ __strsep (char **stringp, const char *delim)
} }
weak_alias (__strsep, strsep) weak_alias (__strsep, strsep)
strong_alias (__strsep, __strsep_g) strong_alias (__strsep, __strsep_g)
/* The '_itoa_lower_digits' variable in libc.so is able to handle bases
up to 36. We don't need this here. */
const char _itoa_lower_digits[16] = "0123456789abcdef";

14
elf/dynamic-link.h
View File

@ -108,24 +108,24 @@ elf_get_dynamic_info (struct link_map *l)
if (info[DT_REL] != NULL) if (info[DT_REL] != NULL)
assert (info[DT_RELENT]->d_un.d_val == sizeof (ElfW(Rel))); assert (info[DT_RELENT]->d_un.d_val == sizeof (ElfW(Rel)));
#endif #endif
#ifdef RTLD_BOOTSTRAP
/* None of the flags should be set for the dynamic linker itself. */
assert (info[DT_FLAGS] == NULL);
#else
if (info[DT_FLAGS] != NULL) if (info[DT_FLAGS] != NULL)
{ {
/* Flags are used. Translate to the old form where available. /* Flags are used. Translate to the old form where available.
Since these l_info entries are only tested for NULL pointers it Since these l_info entries are only tested for NULL pointers it
is ok if they point to the DT_FLAGS entry. */ is ok if they point to the DT_FLAGS entry. */
l->l_flags = info[DT_FLAGS]->d_un.d_val; l->l_flags = info[DT_FLAGS]->d_un.d_val;
if l->l_(flags & DF_SYMBOLIC) #ifdef RTLD_BOOTSTRAP
/* These three flags must not be set for ld.so. */
assert ((l->l_flags & (DF_SYMBOLIC | DF_TEXTREL | DF_BIND_NOW)) == 0);
#else
if (l->l_flags & DF_SYMBOLIC)
info[DT_SYMBOLIC] = info[DT_FLAGS]; info[DT_SYMBOLIC] = info[DT_FLAGS];
if l->l_(flags & DF_TEXTREL) if (l->l_flags & DF_TEXTREL)
info[DT_TEXTREL] = info[DT_FLAGS]; info[DT_TEXTREL] = info[DT_FLAGS];
if (l->l_flags & DF_BIND_NOW) if (l->l_flags & DF_BIND_NOW)
info[DT_BIND_NOW] = info[DT_FLAGS]; info[DT_BIND_NOW] = info[DT_FLAGS];
}
#endif #endif
}
if (info[VERSYMIDX (DT_FLAGS_1)] != NULL) if (info[VERSYMIDX (DT_FLAGS_1)] != NULL)
l->l_flags_1 = info[VERSYMIDX (DT_FLAGS_1)]->d_un.d_val; l->l_flags_1 = info[VERSYMIDX (DT_FLAGS_1)]->d_un.d_val;
#ifdef RTLD_BOOTSTRAP #ifdef RTLD_BOOTSTRAP