Remove the attach_flag global, and make it per-inferior.

	* inferior.h (attach_flag): Delete.
	(inferior_process): Declare.
	* solib.c (update_solib_list): Adjust.
	* gnu-nat.c (gnu_create_inferior, gnu_attach): Adjust.
	* inf-ptrace.c (inf_ptrace_detach): Adjust.
	(inf_ptrace_files_info): Get it from the current inferior.
	* inf-ttrace.c (inf_ttrace_attach): Adjust.
	(inf_ttrace_files_info): Get it from the current
	inferior.
	* inflow.c (terminal_inferior, terminal_ours_1, set_sigint_trap)
	(clear_sigint_trap): Get it from the current process.
	* remote.c (extended_remote_attach_1)
	(extended_remote_create_inferior_1): Adjust.
	* top.c (quit_confirm, quit_target): Get it from the current inferior.
	* procfs.c (do_detach): Adjust.
	(procfs_wait): Get it from the event inferior.
	(procfs_files_info): Get it from the current inferior.
	* nto-procfs.c (procfs_files_info): Likewise.
	(procfs_attach): Adjust.  Set the attach_flag here.
	(do_attach): Don't set it here.
	(procfs_detach): Don't clear it.
	(procfs_mourn_inferior): Don't clear it.
	* solib-osf.c (osf_solib_create_inferior_hook): Adjust.
	* target.c (attach_flag): Delete.
	(generic_mourn_inferior): Don't clear it.
	* win32-nat.c (get_win32_debug_event): Get it from the event
	process.
	(do_initial_win32_stuff): Add attaching argument.  Set attach_flag
	in the inferior accordingly.
	(win32_attach): Don't set the attach_flag here.  Pass 1 to
	do_intial_win32_stuff.
	(win32_files_info): Get it from the current inferior.
	(win32_create_inferior): Dont clear attach_flag here.  Pass 0 to
	do_intial_win32_stuff.

1 files changed, 14 insertions, 8 deletions

diff --git a/gdb/solib.c b/gdb/solib.c
index 7ca3a42..d40e70e 100644
--- a/gdb/solib.c
+++ b/gdb/solib.c
@@ -508,14 +508,20 @@ update_solib_list (int from_tty, struct target_ops *target)
   struct so_list *inferior = ops->current_sos();
   struct so_list *gdb, **gdb_link;
 
-  /* If we are attaching to a running process for which we 
-     have not opened a symbol file, we may be able to get its 
-     symbols now!  */
-  if (attach_flag &&
-      symfile_objfile == NULL)
-    catch_errors (ops->open_symbol_file_object, &from_tty, 
-		  "Error reading attached process's symbol file.\n",
-		  RETURN_MASK_ALL);
+  /* We can reach here due to changing solib-search-path or the
+     sysroot, before having any inferior.  */
+  if (target_has_execution)
+    {
+      struct inferior *inf = current_inferior ();
+
+      /* If we are attaching to a running process for which we
+	 have not opened a symbol file, we may be able to get its
+	 symbols now!  */
+      if (inf->attach_flag && symfile_objfile == NULL)
+	catch_errors (ops->open_symbol_file_object, &from_tty,
+		      "Error reading attached process's symbol file.\n",
+		      RETURN_MASK_ALL);
+    }
 
   /* GDB and the inferior's dynamic linker each maintain their own
      list of currently loaded shared objects; we want to bring the