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From: "Vivek Das Mohapatra" <vivek@collabora.com>
To: libc-alpha@sourceware.org
Subject: [RFC][PATCH v11 3/7] Use the new DSO finder helper function
Date: Wed,  9 Jun 2021 18:16:14 +0100	[thread overview]
Message-ID: <20210609171618.20674-4-vivek@collabora.com> (raw)
In-Reply-To: <20210609171618.20674-1-vivek@collabora.com>

---
 elf/dl-load.c | 28 +++-------------------------
 1 file changed, 3 insertions(+), 25 deletions(-)

diff --git a/elf/dl-load.c b/elf/dl-load.c
index 579ec92b9b..93a4aaf138 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -2082,32 +2082,10 @@ _dl_map_object (struct link_map *loader, const char *name,
   assert (nsid < GL(dl_nns));
 
   /* Look for this name among those already loaded.  */
-  for (l = GL(dl_ns)[nsid]._ns_loaded; l; l = l->l_next)
+  l = _dl_find_dso (name, nsid);
+
+  if (l != NULL)
     {
-      /* If the requested name matches the soname of a loaded object,
-	 use that object.  Elide this check for names that have not
-	 yet been opened.  */
-      if (__glibc_unlikely ((l->l_faked | l->l_removed) != 0))
-	continue;
-      if (!_dl_name_match_p (name, l))
-	{
-	  const char *soname;
-
-	  if (__glibc_likely (l->l_soname_added)
-	      || l->l_info[DT_SONAME] == NULL)
-	    continue;
-
-	  soname = ((const char *) D_PTR (l, l_info[DT_STRTAB])
-		    + l->l_info[DT_SONAME]->d_un.d_val);
-	  if (strcmp (name, soname) != 0)
-	    continue;
-
-	  /* We have a match on a new name -- cache it.  */
-	  add_name_to_object (l, soname);
-	  l->l_soname_added = 1;
-	}
-
-      /* We have a match.  */
       return l;
     }
 
-- 
2.20.1


  parent reply	other threads:[~2021-06-09 17:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-09 17:16 [RFC][PATCH v11 0/7] Implementation of RTLD_SHARED for dlmopen Vivek Das Mohapatra
2021-06-09 17:16 ` [RFC][PATCH v11 1/7] Define a new dynamic section tag - DT_GNU_FLAGS_1 (bug 22745) Vivek Das Mohapatra
2021-06-09 17:16 ` [RFC][PATCH v11 2/7] Abstract loaded-DSO search code into a helper function Vivek Das Mohapatra
2021-06-09 17:16 ` Vivek Das Mohapatra [this message]
2021-06-09 17:16 ` [RFC][PATCH v11 4/7] Add DT_GNU_FLAGS_1/DF_GNU_1_UNIQUE to glibc DSOs (bug 22745) Vivek Das Mohapatra
2021-06-09 17:16 ` [RFC][PATCH v11 5/7] Implement dlmopen RTLD_SHARED flag " Vivek Das Mohapatra
2021-06-09 17:16 ` [RFC][PATCH v11 6/7] Add dlmopen / RTLD_SHARED tests Vivek Das Mohapatra
2021-06-09 17:16 ` [RFC][PATCH v11 7/7] Restore separate libc loading for the TLS/namespace storage test Vivek Das Mohapatra
2021-06-09 18:29 ` [RFC][PATCH v11 0/7] Implementation of RTLD_SHARED for dlmopen Florian Weimer
2021-06-09 22:50   ` Vivek Das Mohapatra
2021-06-16 13:08     ` [External] : " Alfonso Alfonso Peterssen
2021-06-20 23:18       ` Vivek Das Mohapatra

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