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-rw-r--r--elf/dl-object.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/elf/dl-object.c b/elf/dl-object.c
index 0f594d25e6..26d4f44375 100644
--- a/elf/dl-object.c
+++ b/elf/dl-object.c
@@ -88,7 +88,13 @@ _dl_new_object (char *realname, const char *libname, int type,
/* newname->next = NULL; We use calloc therefore not necessary. */
newname->dont_free = 1;
- new->l_name = realname;
+ /* When we create the executable link map, or a VDSO link map, we start
+ with "" for the l_name. In these cases "" points to ld.so rodata
+ and won't get dumped during core file generation. Therefore to assist
+ gdb and to create more self-contained core files we adjust l_name to
+ point at the newly allocated copy (which will get dumped) instead of
+ the ld.so rodata copy. */
+ new->l_name = *realname ? realname : (char *) newname->name + libname_len - 1;
new->l_type = type;
/* If we set the bit now since we know it is never used we avoid
dirtying the cache line later. */