Handle missing shared libraries during the examination of a core
dump gracefully. * solib.c (find_solib): Use catch_errors around call to solib_map_sections. Use warning instead of error if reading of the shared library name fails. (solib_map_sections): Change return and argument types to make it callable from catch_errors. (symbol_add_stub): Avoid GDB core dump if solib->abfd is NULL. * irix5-nat.c, osfsolib.c (xfer_link_map_member, solib_map_sections, symbol_add_stub): Ditto.
This commit is contained in:
Peter Schauer
parent
f3b96ecc60
commit
b420cea7eb
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@ -1,3 +1,16 @@
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Wed Apr 22 12:58:23 1998 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
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Handle missing shared libraries during the examination of a core
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dump gracefully.
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* solib.c (find_solib): Use catch_errors around call to
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solib_map_sections. Use warning instead of error if reading of
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the shared library name fails.
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(solib_map_sections): Change return and argument types to make
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it callable from catch_errors.
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(symbol_add_stub): Avoid GDB core dump if solib->abfd is NULL.
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* irix5-nat.c, osfsolib.c (xfer_link_map_member, solib_map_sections,
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symbol_add_stub): Ditto.
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Wed Apr 22 14:34:49 1998 Michael Meissner <meissner@cygnus.com>
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* Makefile.in (INTL*): Add support to link in the intl library,
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@ -1,5 +1,5 @@
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/* Native support for the SGI Iris running IRIX version 5, for GDB.
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Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
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Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998
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Free Software Foundation, Inc.
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Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU
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and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin.
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@ -352,8 +352,8 @@ xfer_link_map_member PARAMS ((struct so_list *, struct link_map *));
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static CORE_ADDR
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locate_base PARAMS ((void));
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static void
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solib_map_sections PARAMS ((struct so_list *));
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static int
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solib_map_sections PARAMS ((char *));
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/*
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@ -363,7 +363,7 @@ LOCAL FUNCTION
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SYNOPSIS
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static void solib_map_sections (struct so_list *so)
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static int solib_map_sections (struct so_list *so)
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DESCRIPTION
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@ -382,10 +382,11 @@ FIXMES
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expansion stuff?).
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*/
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static void
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solib_map_sections (so)
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struct so_list *so;
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static int
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solib_map_sections (arg)
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char *arg;
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{
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struct so_list *so = (struct so_list *) arg; /* catch_errors bogon */
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char *filename;
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char *scratch_pathname;
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int scratch_chan;
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@ -447,6 +448,8 @@ solib_map_sections (so)
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/* Free the file names, close the file now. */
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do_cleanups (old_chain);
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return (1);
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}
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/*
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@ -731,7 +734,9 @@ xfer_link_map_member (so_list_ptr, lm)
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#endif
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}
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solib_map_sections (so_list_ptr);
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catch_errors (solib_map_sections, (char *) so_list_ptr,
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"Error while mapping shared library sections:\n",
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RETURN_MASK_ALL);
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}
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@ -810,7 +815,7 @@ symbol_add_stub (arg)
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if (so -> textsection)
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text_addr = so -> textsection -> addr;
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else
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else if (so -> abfd != NULL)
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{
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asection *lowest_sect;
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@ -1,5 +1,5 @@
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/* Handle OSF/1 shared libraries for GDB, the GNU Debugger.
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Copyright 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
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Copyright 1993, 1994, 1995, 1996, 1998 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -193,8 +193,8 @@ next_link_map_member PARAMS ((struct so_list *));
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static void
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xfer_link_map_member PARAMS ((struct so_list *, struct link_map *));
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static void
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solib_map_sections PARAMS ((struct so_list *));
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static int
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solib_map_sections PARAMS ((char *));
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/*
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@ -204,7 +204,7 @@ LOCAL FUNCTION
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SYNOPSIS
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static void solib_map_sections (struct so_list *so)
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static int solib_map_sections (struct so_list *so)
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DESCRIPTION
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@ -223,10 +223,11 @@ FIXMES
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expansion stuff?).
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*/
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static void
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solib_map_sections (so)
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struct so_list *so;
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static int
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solib_map_sections (arg)
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char *arg;
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{
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struct so_list *so = (struct so_list *) arg; /* catch_errors bogon */
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char *filename;
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char *scratch_pathname;
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int scratch_chan;
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@ -288,6 +289,8 @@ solib_map_sections (so)
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/* Free the file names, close the file now. */
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do_cleanups (old_chain);
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return (1);
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}
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/*
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@ -485,7 +488,9 @@ xfer_link_map_member (so_list_ptr, lm)
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}
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#endif
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solib_map_sections (so_list_ptr);
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catch_errors (solib_map_sections, (char *) so_list_ptr,
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"Error while mapping shared library sections:\n",
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RETURN_MASK_ALL);
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}
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}
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@ -570,7 +575,7 @@ symbol_add_stub (arg)
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if (so -> textsection)
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text_addr = so -> textsection -> addr;
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else
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else if (so -> abfd != NULL)
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{
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asection *lowest_sect;
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28
gdb/solib.c
28
gdb/solib.c
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@ -186,8 +186,8 @@ first_link_map_member PARAMS ((void));
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static CORE_ADDR
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locate_base PARAMS ((void));
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static void
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solib_map_sections PARAMS ((struct so_list *));
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static int
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solib_map_sections PARAMS ((char *));
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#ifdef SVR4_SHARED_LIBS
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@ -224,7 +224,7 @@ LOCAL FUNCTION
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SYNOPSIS
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static void solib_map_sections (struct so_list *so)
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static int solib_map_sections (struct so_list *so)
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DESCRIPTION
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@ -243,10 +243,11 @@ FIXMES
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expansion stuff?).
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*/
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static void
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solib_map_sections (so)
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struct so_list *so;
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static int
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solib_map_sections (arg)
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char *arg;
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{
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struct so_list *so = (struct so_list *) arg; /* catch_errors bogon */
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char *filename;
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char *scratch_pathname;
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int scratch_chan;
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@ -343,6 +344,8 @@ solib_map_sections (so)
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/* Free the file names, close the file now. */
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do_cleanups (old_chain);
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return (1);
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}
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#ifndef SVR4_SHARED_LIBS
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@ -986,12 +989,17 @@ find_solib (so_list_ptr)
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target_read_string ((CORE_ADDR) LM_NAME (new), &buffer,
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MAX_PATH_SIZE - 1, &errcode);
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if (errcode != 0)
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error ("find_solib: Can't read pathname for load map: %s\n",
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safe_strerror (errcode));
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{
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warning ("find_solib: Can't read pathname for load map: %s\n",
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safe_strerror (errcode));
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return (so_list_next);
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}
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strncpy (new -> so_name, buffer, MAX_PATH_SIZE - 1);
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new -> so_name[MAX_PATH_SIZE - 1] = '\0';
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free (buffer);
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solib_map_sections (new);
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catch_errors (solib_map_sections, (char *) new,
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"Error while mapping shared library sections:\n",
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RETURN_MASK_ALL);
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}
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}
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return (so_list_next);
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@ -1008,7 +1016,7 @@ symbol_add_stub (arg)
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if (so -> textsection)
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text_addr = so -> textsection -> addr;
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else
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else if (so -> abfd != NULL)
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{
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asection *lowest_sect;
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