diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/Versions | 2 | ||||
| -rw-r--r-- | elf/dl-close.c | 15 | ||||
| -rw-r--r-- | elf/dl-open.c | 34 |
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); + } } |