/* Provide legacy r_debug and link_map support for SVR4-like native targets.
- Copyright 2000, 2001
- Free Software Foundation, Inc.
+
+ Copyright (C) 2000, 2001, 2006, 2007 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
-#define _SYSCALL32 /* for Sparc64 cross Sparc32 */
#include "defs.h"
#include "gdbcore.h"
#include "solib-svr4.h"
#ifdef HAVE_LINK_H
+
+#ifdef HAVE_NLIST_H
+/* nlist.h needs to be included before link.h on some older *BSD systems. */
+#include <nlist.h>
+#endif
+
#include <link.h>
/* Fetch (and possibly build) an appropriate link_map_offsets structure
{
lmp = &lmo;
-#ifdef SVR4_SHARED_LIBS
- lmo.r_debug_size = sizeof (struct r_debug);
-
+#ifdef HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS
+ lmo.r_version_offset = offsetof (struct r_debug, r_version);
+ lmo.r_version_size = fieldsize (struct r_debug, r_version);
lmo.r_map_offset = offsetof (struct r_debug, r_map);
- lmo.r_map_size = fieldsize (struct r_debug, r_map);
+ lmo.r_ldsomap_offset = -1;
lmo.link_map_size = sizeof (struct link_map);
lmo.l_addr_offset = offsetof (struct link_map, l_addr);
- lmo.l_addr_size = fieldsize (struct link_map, l_addr);
-
lmo.l_next_offset = offsetof (struct link_map, l_next);
- lmo.l_next_size = fieldsize (struct link_map, l_next);
-
+ lmo.l_ld_offset = offsetof (struct link_map, l_ld);
lmo.l_prev_offset = offsetof (struct link_map, l_prev);
- lmo.l_prev_size = fieldsize (struct link_map, l_prev);
-
lmo.l_name_offset = offsetof (struct link_map, l_name);
- lmo.l_name_size = fieldsize (struct link_map, l_name);
-#else /* !SVR4_SHARED_LIBS */
+#else /* !defined(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS) */
+#ifdef HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS
lmo.link_map_size = sizeof (struct link_map);
lmo.l_addr_offset = offsetof (struct link_map, lm_addr);
- lmo.l_addr_size = fieldsize (struct link_map, lm_addr);
-
lmo.l_next_offset = offsetof (struct link_map, lm_next);
- lmo.l_next_size = fieldsize (struct link_map, lm_next);
-
+ /* FIXME: Is this the right field name, or is it available at all? */
+ lmo.l_ld_offset = offsetof (struct link_map, lm_ld);
lmo.l_name_offset = offsetof (struct link_map, lm_name);
- lmo.l_name_size = fieldsize (struct link_map, lm_name);
-#endif /* SVR4_SHARED_LIBS */
+#else /* !defined(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS) */
+#if HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS
+ lmo.link_map_size = sizeof (struct so_map);
+
+ lmo.l_addr_offset = offsetof (struct so_map, som_addr);
+ lmo.l_next_offset = offsetof (struct so_map, som_next);
+ lmo.l_name_offset = offsetof (struct so_map, som_path);
+ /* FIXME: Is the address of the dynamic table available? */
+ lmo.l_ld_offset = -1;
+#endif /* HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS */
+#endif /* HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS */
+#endif /* HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS */
}
#if defined (HAVE_STRUCT_LINK_MAP32)
{
lmp32 = &lmo32;
- lmo32.r_debug_size = sizeof (struct r_debug32);
-
+ lmo32.r_version_offset = offsetof (struct r_debug32, r_version);
+ lmo32.r_version_size = fieldsize (struct r_debug32, r_version);
lmo32.r_map_offset = offsetof (struct r_debug32, r_map);
- lmo32.r_map_size = fieldsize (struct r_debug32, r_map);
+ lmo32.r_ldsomap_offset = -1;
lmo32.link_map_size = sizeof (struct link_map32);
lmo32.l_addr_offset = offsetof (struct link_map32, l_addr);
- lmo32.l_addr_size = fieldsize (struct link_map32, l_addr);
-
lmo32.l_next_offset = offsetof (struct link_map32, l_next);
- lmo32.l_next_size = fieldsize (struct link_map32, l_next);
-
lmo32.l_prev_offset = offsetof (struct link_map32, l_prev);
- lmo32.l_prev_size = fieldsize (struct link_map32, l_prev);
-
lmo32.l_name_offset = offsetof (struct link_map32, l_name);
- lmo32.l_name_size = fieldsize (struct link_map32, l_name);
}
#endif /* defined (HAVE_STRUCT_LINK_MAP32) */
#if defined (HAVE_STRUCT_LINK_MAP32)
- if (bfd_get_arch_size (exec_bfd) == 32)
+ if (exec_bfd != NULL)
+ {
+ if (bfd_get_arch_size (exec_bfd) == 32)
+ return lmp32;
+ }
+ if (gdbarch_ptr_bit (current_gdbarch) == 32)
return lmp32;
- else
#endif
- return lmp;
+ return lmp;
}
#endif /* HAVE_LINK_H */
+extern initialize_file_ftype _initialize_svr4_lm; /* -Wmissing-prototypes */
+
void
_initialize_svr4_lm (void)
{