[ Context backport. ]
-Index: gdb-7.1.90.20100711/gdb/solib-svr4.c
+Index: gdb-7.4.50.20111218/gdb/solib-svr4.c
===================================================================
---- gdb-7.1.90.20100711.orig/gdb/solib-svr4.c 2010-07-12 23:07:35.000000000 +0200
-+++ gdb-7.1.90.20100711/gdb/solib-svr4.c 2010-07-13 00:19:03.000000000 +0200
-@@ -1177,8 +1177,18 @@ svr4_current_sos (void)
- target_read_string (LM_NAME (new), &buffer,
- SO_NAME_MAX_PATH_SIZE - 1, &errcode);
- if (errcode != 0)
-- warning (_("Can't read pathname for load map: %s."),
-- safe_strerror (errcode));
-+ {
-+ /* During the first ever DSO list reading some strings may be
-+ unreadable as residing in the ld.so readonly memory not being
-+ present in a dumped core file. Delay the error check after
-+ the first pass of DSO list scanning when ld.so should be
-+ already mapped in and all the DSO list l_name memory gets
-+ readable. */
+--- gdb-7.4.50.20111218.orig/gdb/solib-svr4.c 2011-12-19 01:14:31.000000000 +0100
++++ gdb-7.4.50.20111218/gdb/solib-svr4.c 2011-12-19 01:31:10.106752164 +0100
+@@ -1222,8 +1222,17 @@ svr4_read_so_list (CORE_ADDR lm, struct
+ SO_NAME_MAX_PATH_SIZE - 1, &errcode);
+ if (errcode != 0)
+ {
+- warning (_("Can't read pathname for load map: %s."),
+- safe_strerror (errcode));
++ /* During the first ever DSO list reading some strings may be
++ unreadable as residing in the ld.so readonly memory not being
++ present in a dumped core file. Delay the error check after
++ the first pass of DSO list scanning when ld.so should be
++ already mapped in and all the DSO list l_name memory gets
++ readable. */
+
-+ if (master_so_list () != NULL)
-+ warning (_("Can't read pathname for load map: %s."),
-+ safe_strerror (errcode));
-+ }
- else
- {
- struct build_id *build_id;
-Index: gdb-7.1.90.20100711/gdb/solib.c
++ if (master_so_list () != NULL)
++ warning (_("Can't read pathname for load map: %s."),
++ safe_strerror (errcode));
++
+ do_cleanups (old_chain);
+ continue;
+ }
+Index: gdb-7.4.50.20111218/gdb/solib.c
===================================================================
---- gdb-7.1.90.20100711.orig/gdb/solib.c 2010-05-17 01:49:58.000000000 +0200
-+++ gdb-7.1.90.20100711/gdb/solib.c 2010-07-13 00:21:01.000000000 +0200
-@@ -705,6 +705,7 @@ update_solib_list (int from_tty, struct
+--- gdb-7.4.50.20111218.orig/gdb/solib.c 2011-09-12 21:00:22.000000000 +0200
++++ gdb-7.4.50.20111218/gdb/solib.c 2011-12-19 01:29:04.815227898 +0100
+@@ -676,6 +676,7 @@ update_solib_list (int from_tty, struct
struct target_so_ops *ops = solib_ops (target_gdbarch);
struct so_list *inferior = ops->current_sos();
struct so_list *gdb, **gdb_link;
/* We can reach here due to changing solib-search-path or the
sysroot, before having any inferior. */
-@@ -844,6 +845,12 @@ Error while mapping shared library secti
+@@ -817,6 +818,12 @@ update_solib_list (int from_tty, struct
observer_notify_solib_loaded (i);
}