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2004-09-17  Ulrich Drepper  <drepper@redhat.com>

	* include/link.h (struct link_map): Add l_used element.
	* sysdeps/generic/ldsodefs.h: Define DL_DEBUG_UNUSED.
	* elf/rtld.c (process_dl_debug): Recognize unused.
	(dl_main): When unused debug flag is set check for unused direct
	dependencies.
	When printing dependencies and SONAME starts with /, omit the SONAME =>
	part.
	* elf/dl-lookup.c (_dl_lookup_symbol_x): Mark object in which the
	symbol has been found as used.
	* elf/ldd.bash.in: Add -u option.
This commit is contained in:
Ulrich Drepper
2004-09-18 06:46:52 +00:00
parent f04b1e1f0f
commit 7a11603dc6
7 changed files with 74 additions and 5 deletions
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include/link.h
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@@ -189,6 +189,7 @@ struct link_map
unsigned int l_need_tls_init:1; /* Nonzero if GL(dl_init_static_tls)
should be called on this link map
when relocation finishes. */
unsigned int l_used:1; /* Nonzero if the DSO is used. */
/* Array with version names. */
unsigned int l_nversions;
struct r_found_version *l_versions;