Blame libdwfl/dwfl_frame_regs.c

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/* Get Dwarf Frame state from modules present in DWFL.
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   Copyright (C) 2013 Red Hat, Inc.
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   This file is part of elfutils.
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   This file is free software; you can redistribute it and/or modify
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   it under the terms of either
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     * the GNU Lesser General Public License as published by the Free
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       Software Foundation; either version 3 of the License, or (at
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       your option) any later version
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   or
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     * the GNU General Public License as published by the Free
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       Software Foundation; either version 2 of the License, or (at
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       your option) any later version
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   or both in parallel, as here.
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   elfutils is distributed in the hope that it will be useful, but
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   WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   General Public License for more details.
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   You should have received copies of the GNU General Public License and
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   the GNU Lesser General Public License along with this program.  If
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   not, see <http://www.gnu.org/licenses/>.  */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "libdwflP.h"
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bool
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dwfl_thread_state_registers (Dwfl_Thread *thread, int firstreg,
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			     unsigned nregs, const Dwarf_Word *regs)
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{
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  Dwfl_Frame *state = thread->unwound;
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  assert (state && state->unwound == NULL);
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  assert (state->initial_frame);
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  for (unsigned regno = firstreg; regno < firstreg + nregs; regno++)
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    if (! __libdwfl_frame_reg_set (state, regno, regs[regno - firstreg]))
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      {
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	__libdwfl_seterrno (DWFL_E_INVALID_REGISTER);
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	return false;
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      }
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  return true;
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}
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INTDEF(dwfl_thread_state_registers)
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void
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dwfl_thread_state_register_pc (Dwfl_Thread *thread, Dwarf_Word pc)
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{
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  Dwfl_Frame *state = thread->unwound;
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  assert (state && state->unwound == NULL);
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  assert (state->initial_frame);
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  state->pc = pc;
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  state->pc_state = DWFL_FRAME_STATE_PC_SET;
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}
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INTDEF(dwfl_thread_state_register_pc)