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authorUlrich Drepper <drepper@redhat.com>2004-09-18 06:46:52 +0000
committerUlrich Drepper <drepper@redhat.com>2004-09-18 06:46:52 +0000
commit7a11603dc6bde67066ce6f8d4c5f6b86bebaf3c1 (patch)
tree310fc0913c5e35b0a6e05bfab4423e38012e6ecf /elf/ldd.bash.in
parentf04b1e1f0f86cce932ede5b5a088c0ec4712ce34 (diff)
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Update.
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.
Diffstat (limited to 'elf/ldd.bash.in')
-rw-r--r--elf/ldd.bash.in7
1 files changed, 7 insertions, 0 deletions
diff --git a/elf/ldd.bash.in b/elf/ldd.bash.in
index 8867211..6ee9b60 100644
--- a/elf/ldd.bash.in
+++ b/elf/ldd.bash.in
@@ -50,6 +50,7 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
--version print version information and exit
-d, --data-relocs process data relocations
-r, --function-relocs process data and function relocations
+ -u, --unused print unused direct dependencies
-v, --verbose print all information
For bug reporting instructions, please see:
<http://www.gnu.org/software/libc/bugs.html>."
@@ -71,6 +72,9 @@ For bug reporting instructions, please see:
verbose=yes
shift
;;
+ -u | --u | --un | --unu | --unus | --unuse | --unused)
+ unused=yes
+ shift
--v | --ve | --ver)
echo >&2 $"ldd: option \`$1' is ambiguous"
exit 1
@@ -97,6 +101,9 @@ nonelf ()
add_env="LD_TRACE_LOADED_OBJECTS=1 LD_WARN=$warn LD_BIND_NOW=$bind_now"
add_env="$add_env LD_VERBOSE=$verbose"
+if test "$unused" = yes; then
+ add_env="$add_env LD_DEBUG="$LD_DEBUG${LD_DEBUG:+,}unused"
+fi
case $# in
0)
echo >&2 'ldd:' $"missing file arguments"