* emultempl/mmixelf.em: Remove incorrect '#line' directive.

[deliverable/binutils-gdb.git] / gdb / exec.c

diff --git a/gdb/exec.c b/gdb/exec.c
index 9653c24399987c0e8b4960cfa99619cfa69fb984..e2d6b995c90f13d4693a18eba3c181394996e8c4 100644 (file)
--- a/gdb/exec.c
+++ b/gdb/exec.c
@@ -1,8 +1,7 @@
 /* Work with executable files, for GDB. 
 
-   Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
-   1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
-   Inc.
+   Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+   1998, 1999, 2000, 2001, 2002, 2003, 2007 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -188,6 +187,8 @@ exec_file_attach (char *filename, int from_tty)
     {
       if (from_tty)
         printf_unfiltered (_("No executable file now.\n"));
+
+      set_gdbarch_from_file (NULL);
     }
   else
     {
@@ -344,11 +345,15 @@ add_to_section_table (bfd *abfd, struct bfd_section *asect,
   struct section_table **table_pp = (struct section_table **) table_pp_char;
   flagword aflag;
 
+  /* Check the section flags, but do not discard zero-length sections, since
+     some symbols may still be attached to this section.  For instance, we
+     encountered on sparc-solaris 2.10 a shared library with an empty .bss
+     section to which a symbol named "_end" was attached.  The address
+     of this symbol still needs to be relocated.  */
   aflag = bfd_get_section_flags (abfd, asect);
   if (!(aflag & SEC_ALLOC))
     return;
-  if (0 == bfd_section_size (abfd, asect))
-    return;
+
   (*table_pp)->bfd = abfd;
   (*table_pp)->the_bfd_section = asect;
   (*table_pp)->addr = bfd_section_vma (abfd, asect);