* source.c (line_info): If we don't find a symtab, print more useful

	output, including the symbolic address.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 49cb5c013476846122928232833c20cc76d1790f..52197a9ed7c325943a64ba637aa0eb5238a6c941 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,8 @@
 Tue May 25 20:44:24 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 
+       * source.c (line_info): If we don't find a symtab, print more useful
+       output, including the symbolic address.
+
        * source.c (line_info): If --fullname, display the source.
        (identify_source_line), callers: Take pc as argument, rather than
        assuming innermost frame (emacs doesn't use this, so no one ever

diff --git a/gdb/source.c b/gdb/source.c
index 682f1e86189e7e809829c84e5b09d49c268c586f..3ea5518e252e7413613ae332e00c0d91255df531 100644 (file)
--- a/gdb/source.c
+++ b/gdb/source.c
@@ -1083,10 +1083,7 @@ line_info (arg, from_tty)
     {
       sals = decode_line_spec_1 (arg, 0);
       
-      /* If this command is repeated with RET,
-        turn it into the no-arg variant.  */
-      if (from_tty)
-       *arg = 0;
+      dont_repeat ();
     }
 
   /* C++  More than one line may have been specified, as when the user
@@ -1096,9 +1093,22 @@ line_info (arg, from_tty)
       sal = sals.sals[i];
       
       if (sal.symtab == 0)
-       error ("No source file specified.");
-
-      if (sal.line > 0
+       {
+         printf_filtered ("No line number information available");
+         if (sal.pc != 0)
+           {
+             /* This is useful for "info line *0x7f34".  If we can't tell the
+                user about a source line, at least let them have the symbolic
+                address.  */
+             printf_filtered (" for address ");
+             wrap_here ("  ");
+             print_address (sal.pc, stdout);
+           }
+         else
+           printf_filtered (".");
+         printf_filtered ("\n");
+       }
+      else if (sal.line > 0
          && find_line_pc_range (sal.symtab, sal.line, &start_pc, &end_pc))
        {
          if (start_pc == end_pc)
@@ -1123,6 +1133,9 @@ line_info (arg, from_tty)
            identify_source_line (sal.symtab, sal.line, 0, start_pc);
        }
       else
+       /* Is there any case in which we get here, and have an address
+          which the user would want to see?  If we have debugging symbols
+          and no line numbers?  */
        printf_filtered ("Line number %d is out of range for \"%s\".\n",
                         sal.line, sal.symtab->filename);
     }