1 files changed, 57 insertions, 0 deletions
diff --git a/src/libdwfl/dwfl_frame_regs.c b/src/libdwfl/dwfl_frame_regs.c
new file mode 100644
index 00000000..10803fe7
--- /dev/null
+++ b/src/libdwfl/dwfl_frame_regs.c
@@ -0,0 +1,57 @@
+/* Get Dwarf Frame state from modules present in DWFL.
+   Copyright (C) 2013 Red Hat, Inc.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of either
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at
+       your option) any later version
+
+   or
+
+     * 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
+
+   or both in parallel, as here.
+
+   elfutils 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 copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#include "libdwflP.h"
+
+bool
+dwfl_thread_state_registers (Dwfl_Thread *thread, int firstreg,
+			     unsigned nregs, const Dwarf_Word *regs)
+{
+  Dwfl_Frame *state = thread->unwound;
+  assert (state && state->unwound == NULL);
+  assert (state->initial_frame);
+  for (unsigned regno = firstreg; regno < firstreg + nregs; regno++)
+    if (! __libdwfl_frame_reg_set (state, regno, regs[regno - firstreg]))
+      {
+	__libdwfl_seterrno (DWFL_E_INVALID_REGISTER);
+	return false;
+      }
+  return true;
+}
+INTDEF(dwfl_thread_state_registers)
+
+void
+dwfl_thread_state_register_pc (Dwfl_Thread *thread, Dwarf_Word pc)
+{
+  Dwfl_Frame *state = thread->unwound;
+  assert (state && state->unwound == NULL);
+  assert (state->initial_frame);
+  state->pc = pc;
+  state->pc_state = DWFL_FRAME_STATE_PC_SET;
+}
+INTDEF(dwfl_thread_state_register_pc)