aboutsummaryrefslogtreecommitdiff
path: root/gdb/gdbserver/tdesc.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/gdbserver/tdesc.c')
-rw-r--r--gdb/gdbserver/tdesc.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/gdb/gdbserver/tdesc.c b/gdb/gdbserver/tdesc.c
new file mode 100644
index 0000000..ac3c14a
--- /dev/null
+++ b/gdb/gdbserver/tdesc.c
@@ -0,0 +1,66 @@
+/* Copyright (C) 2012-2013 Free Software Foundation, 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#include "server.h"
+#include "tdesc.h"
+#include "regdef.h"
+
+void
+init_target_desc (struct target_desc *tdesc)
+{
+ int offset, i;
+
+ offset = 0;
+ for (i = 0; i < tdesc->num_registers; i++)
+ {
+ tdesc->reg_defs[i].offset = offset;
+ offset += tdesc->reg_defs[i].size;
+ }
+
+ tdesc->registers_size = offset / 8;
+
+ /* Make sure PBUFSIZ is large enough to hold a full register
+ packet. */
+ if (2 * tdesc->registers_size + 32 > PBUFSIZ)
+ fatal ("Register packet size exceeds PBUFSIZ.");
+}
+
+#ifndef IN_PROCESS_AGENT
+
+static const struct target_desc default_description;
+
+void
+copy_target_description (struct target_desc *dest,
+ const struct target_desc *src)
+{
+ dest->reg_defs = src->reg_defs;
+ dest->num_registers = src->num_registers;
+ dest->expedite_regs = src->expedite_regs;
+ dest->registers_size = src->registers_size;
+ dest->xmltarget = src->xmltarget;
+}
+
+const struct target_desc *
+current_target_desc (void)
+{
+ if (current_inferior == NULL)
+ return &default_description;
+
+ return current_process ()->tdesc;
+}
+
+#endif