diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | elf/dl-load.c | 5 | ||||
| -rw-r--r-- | elf/dl-object.c | 7 | ||||
| -rw-r--r-- | elf/ldsodefs.h | 8 | ||||
| -rw-r--r-- | elf/rtld.c | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-origin.h | 6 |
6 files changed, 20 insertions, 14 deletions
@@ -12,13 +12,17 @@ (_dl_map_object_from_fd): Define static is EXTERNAL_MAP_FROM_FD is not defined. Check EI_OSABI and EI_ABIVERSION fields in header. + Call _dl_new_object with extra argument. (_dl_map_object): Call decompose_path with correct argument. Call expand_dynamic_string_token instead of local_strdup to also expand DST. + Call _dl_new_object with extra argument. * elf/dl-object.c (_dl_new_object): Determine l_origin for all maps - but the main one. + but the main one if new argument is nonzero. + * elf/ldsodefs.h: Adjust for _dl_new_object change. * elf/dl-support.c: Define _dl_origin_path. * elf/rtld.c: Likewise. Set _dl_origin_path based on LD_ORIGIN_PATH. + (dl_main): Call _dl_new_object with extra argument. * elf/dl-close (_dl_close): Free l_name and l_origin. diff --git a/elf/dl-load.c b/elf/dl-load.c index 8e6a853..81c1d8b 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -739,7 +739,7 @@ _dl_map_object_from_fd (char *name, int fd, char *realname, #endif /* Enter the new object in the list of loaded objects. */ - l = _dl_new_object (realname, name, l_type); + l = _dl_new_object (realname, name, l_type, loader != NULL); if (! l) lose (ENOMEM, "cannot create shared object descriptor"); l->l_opencount = 1; @@ -1290,7 +1290,8 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded, /* Enter the new object in the list of loaded objects. */ if ((name_copy = local_strdup (name)) == NULL - || (l = _dl_new_object (name_copy, name, type)) == NULL) + || (l = _dl_new_object (name_copy, name, type, + loader != NULL)) == NULL) _dl_signal_error (ENOMEM, name, "cannot create shared object descriptor"); /* We use an opencount of 0 as a sign for the faked entry. */ diff --git a/elf/dl-object.c b/elf/dl-object.c index f2ef816..e91beac 100644 --- a/elf/dl-object.c +++ b/elf/dl-object.c @@ -33,7 +33,7 @@ struct link_map *_dl_default_scope[5]; struct link_map * internal_function -_dl_new_object (char *realname, const char *libname, int type) +_dl_new_object (char *realname, const char *libname, int type, int find_origin) { struct link_map *new = malloc (sizeof *new); struct libname_list *newname = malloc (sizeof *newname); @@ -62,9 +62,8 @@ _dl_new_object (char *realname, const char *libname, int type) l->l_next = new; } - /* The REALNAME is "" for the main link map. This name must be determined - specially. */ - if (realname[0] == '\0') + /* Don't try to find the origin for the main map. */ + if (! find_origin) new->l_origin = NULL; else { diff --git a/elf/ldsodefs.h b/elf/ldsodefs.h index 847d5ce..b36fcd8 100644 --- a/elf/ldsodefs.h +++ b/elf/ldsodefs.h @@ -166,7 +166,7 @@ extern void _dl_sysdep_output (int fd, const char *string, ...); descriptor for this. All arguments are `const char *'; args until a null pointer are concatenated to form the message to print. If NEW_LINE is nonzero it is assumed that the message starts on a new - line.*/ + line. */ extern void _dl_debug_message (int new_line, const char *string, ...); /* OS-dependent function to write a message on the standard output. @@ -356,9 +356,11 @@ extern struct link_map **_dl_object_relocation_scope (struct link_map *map) /* Allocate a `struct link_map' for a new object being loaded, - and enter it into the _dl_loaded list. */ + and enter it into the _dl_loaded list. If find origin is nonzero + determine the origin of the file. */ extern struct link_map *_dl_new_object (char *realname, const char *libname, - int type) internal_function; + int type, int find_origin) + internal_function; /* Relocate the given object (if it hasn't already been). SCOPE is passed to _dl_lookup_symbol in symbol lookups. @@ -420,7 +420,7 @@ of this helper program; chances are you did not intend to run this program.\n\ { /* Create a link_map for the executable itself. This will be what dlopen on "" returns. */ - main_map = _dl_new_object ((char *) "", "", lt_executable); + main_map = _dl_new_object ((char *) "", "", lt_executable, 0); if (main_map == NULL) _dl_sysdep_fatal ("cannot allocate memory for link map\n", NULL); main_map->l_phdr = phdr; diff --git a/sysdeps/unix/sysv/linux/dl-origin.h b/sysdeps/unix/sysv/linux/dl-origin.h index eef0678..7f7d86c 100644 --- a/sysdeps/unix/sysv/linux/dl-origin.h +++ b/sysdeps/unix/sysv/linux/dl-origin.h @@ -30,15 +30,15 @@ get_origin (void) char *result; if (readlink ("/proc/self/exe", linkval, PATH_MAX) != -1 - && result[0] != '[') + && linkval[0] != '[') { /* We can use this value. */ char *last_slash = strrchr (linkval, '/'); - result = (char *) malloc (linkval - last_slash + 1); + result = (char *) malloc (last_slash - linkval + 1); if (result == NULL) result = (char *) -1; else - *((char *) __mempcpy (result, linkval, linkval - last_slash)) = '\0'; + *((char *) __mempcpy (result, linkval, last_slash - linkval)) = '\0'; } else { |