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authorUlrich Drepper <drepper@redhat.com>2000-08-28 08:32:23 +0000
committerUlrich Drepper <drepper@redhat.com>2000-08-28 08:32:23 +0000
commitb35e21f43f6aa514fddabc8f4a7cfdc9042e4c6f (patch)
tree3d816bce8a5c0d968e4be46a7467eb85e8624c12 /elf
parentb9672e718e4c01d7ceaf9ba5cca0f38e313b7c1c (diff)
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Update.
* elf/Versions [ld] (GLIBC_2.2): Export _dl_debug_files. * elf/dl-close.c (_dl_close): Print debug message if object is not unloaded. * elf/dl-open.c (dl_open_worked): Print message about opencount before returning to caller.
Diffstat (limited to 'elf')
-rw-r--r--elf/Versions2
-rw-r--r--elf/dl-close.c15
-rw-r--r--elf/dl-open.c34
3 files changed, 49 insertions, 2 deletions
diff --git a/elf/Versions b/elf/Versions
index 776934a39a..09f3d2513d 100644
--- a/elf/Versions
+++ b/elf/Versions
@@ -52,6 +52,8 @@ ld {
_dl_dst_count; _dl_dst_substitute;
}
GLIBC_2.2 {
+ _dl_debug_files;
+
_dl_init; _dl_load_lock; _dl_argv; _dl_nloaded; _dl_check_map_versions;
# this is defined in ld.so and overridden by libc
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 58a84b5bfc..70fcb1b719 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -27,6 +27,8 @@
#include <sys/types.h>
#include <sys/mman.h>
+#include <stdio-common/_itoa.h>
+
/* Type of the constructor functions. */
typedef void (*fini_t) (void);
@@ -63,6 +65,19 @@ _dl_close (void *_map)
if (map->l_opencount > 1 || map->l_type != lt_loaded)
{
/* There are still references to this object. Do nothing more. */
+ if (__builtin_expect (_dl_debug_files, 0))
+ {
+ char buf[20];
+
+ buf[sizeof buf - 1] = '\0';
+
+ _dl_debug_message (1, "\nclosing file=", map->l_name,
+ "; opencount == ",
+ _itoa_word (map->l_opencount,
+ buf + sizeof buf - 1, 10, 0),
+ "\n", NULL);
+ }
+
--map->l_opencount;
__libc_lock_unlock (_dl_load_lock);
return;
diff --git a/elf/dl-open.c b/elf/dl-open.c
index b07ede15fc..a128b343d2 100644
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -31,6 +31,7 @@
#include <bp-sym.h>
#include <dl-dst.h>
+#include <stdio-common/_itoa.h>
extern ElfW(Addr) _dl_sysdep_start (void **start_argptr,
@@ -157,8 +158,23 @@ dl_open_worker (void *a)
}
if (new->l_searchlist.r_list)
- /* It was already open. */
- return;
+ {
+ /* Let the user know about the opencount. */
+ if (__builtin_expect (_dl_debug_files, 0))
+ {
+ char buf[20];
+
+ buf[sizeof buf - 1] = '\0';
+
+ _dl_debug_message (1, "\nopening file=", new->l_name,
+ "; opencount == ",
+ _itoa_word (new->l_opencount,
+ buf + sizeof buf - 1, 10, 0),
+ "\n", NULL);
+ }
+ /* It was already open. */
+ return;
+ }
/* Load that object's dependencies. */
_dl_map_object_deps (new, NULL, 0, 0);
@@ -301,6 +317,20 @@ dl_open_worker (void *a)
/* We must be the static _dl_open in libc.a. A static program that
has loaded a dynamic object now has competition. */
__libc_multiple_libcs = 1;
+
+ /* Let the user know about the opencount. */
+ if (__builtin_expect (_dl_debug_files, 0))
+ {
+ char buf[20];
+
+ buf[sizeof buf - 1] = '\0';
+
+ _dl_debug_message (1, "\nopening file=", new->l_name,
+ "; opencount == ",
+ _itoa_word (new->l_opencount,
+ buf + sizeof buf - 1, 10, 0),
+ "\n", NULL);
+ }
}