Import of GDB version 6.1.1 (stripped; see FREEBSD-Xlist rev. 1.6).

1 files changed, 109 insertions, 0 deletions

diff --git a/contrib/gdb/gdb/nbsd-tdep.c b/contrib/gdb/gdb/nbsd-tdep.c
new file mode 100644
index 0000000..a2d8f7d
--- /dev/null
+++ b/contrib/gdb/gdb/nbsd-tdep.c
@@ -0,0 +1,109 @@
+/* Common target-dependent code for NetBSD systems.
+   Copyright 2002 Free Software Foundation, Inc.
+   Contributed by Wasabi Systems, Inc.
+  
+   This file is part of GDB.
+  
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+  
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+     
+   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.  */
+
+#include "defs.h"
+#include "gdb_string.h"
+#include "solib-svr4.h"
+
+/* Fetch (and possibly build) an appropriate link_map_offsets
+   structure for NetBSD targets using the struct offsets defined
+   in <link.h> (but without actual reference to that file).
+  
+   This makes it possible to access NetBSD shared libraries from a
+   GDB that was not built on the same platform (for cross debugging).
+
+   We provide versions for ILP32 and LP64 NetBSD targets here.  */
+  
+struct link_map_offsets *
+nbsd_ilp32_solib_svr4_fetch_link_map_offsets (void)
+{
+  static struct link_map_offsets lmo;
+  static struct link_map_offsets *lmp = NULL;
+
+  if (lmp == NULL)
+    {
+      lmp = &lmo;
+
+      lmo.r_debug_size = 16;
+
+      lmo.r_map_offset = 4;
+      lmo.r_map_size   = 4;
+
+      lmo.link_map_size = 20;
+
+      lmo.l_addr_offset = 0;
+      lmo.l_addr_size   = 4;
+
+      lmo.l_name_offset = 4;
+      lmo.l_name_size   = 4;
+
+      lmo.l_next_offset = 12;
+      lmo.l_next_size   = 4;
+
+      lmo.l_prev_offset = 16;
+      lmo.l_prev_size   = 4;
+    }
+
+  return lmp;
+}
+
+struct link_map_offsets *
+nbsd_lp64_solib_svr4_fetch_link_map_offsets (void)
+{
+  static struct link_map_offsets lmo;
+  static struct link_map_offsets *lmp = NULL;
+
+  if (lmp == NULL)
+    {
+      lmp = &lmo;
+
+      lmo.r_debug_size = 32;
+
+      lmo.r_map_offset = 8;
+      lmo.r_map_size   = 8;
+
+      lmo.link_map_size = 40;
+
+      lmo.l_addr_offset = 0;
+      lmo.l_addr_size   = 8;
+
+      lmo.l_name_offset = 8;
+      lmo.l_name_size   = 8;
+
+      lmo.l_next_offset = 24;
+      lmo.l_next_size   = 8;
+
+      lmo.l_prev_offset = 32;
+      lmo.l_prev_size   = 8;
+    }
+
+  return lmp;
+}
+
+int
+nbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+{
+  /* Check for libc-provided signal trampoline.  All such trampolines
+     have function names which begin with "__sigtramp".  */
+
+  return (func_name != NULL
+	  && strncmp (func_name, "__sigtramp", 10) == 0);
+}