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authorMark Kettenis <kettenis@cvs.openbsd.org>2004-05-21 19:18:40 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2004-05-21 19:18:40 +0000
commit6a565344557d0acb4bd34cc9a0bf698662f9006b (patch)
tree5c120526742e6dbb98c8c3d2857c18f7de16143a /gnu/usr.bin/binutils/gdb/nbsd-tdep.c
parenta0769fe1e18fcff10de0bca7c087aacab3cda1cb (diff)
GDB 6.1 (excluding .info files)
Diffstat (limited to 'gnu/usr.bin/binutils/gdb/nbsd-tdep.c')
-rw-r--r--gnu/usr.bin/binutils/gdb/nbsd-tdep.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gdb/nbsd-tdep.c b/gnu/usr.bin/binutils/gdb/nbsd-tdep.c
new file mode 100644
index 00000000000..a2d8f7d1533
--- /dev/null
+++ b/gnu/usr.bin/binutils/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);
+}