83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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/* Fetch live process registers from TID.
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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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#if defined __m68k__ && defined __linux__
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# include <sys/types.h>
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# include <sys/user.h>
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# include <sys/ptrace.h>
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#endif
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#define BACKEND m68k_
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#include "libebl_CPU.h"
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bool
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m68k_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
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ebl_tid_registers_t *setfunc __attribute__ ((unused)),
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void *arg __attribute__ ((unused)))
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{
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#if !defined __m68k__ || !defined __linux__
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return false;
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#else /* __m68k__ */
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struct user_regs_struct user_regs;
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if (ptrace (PTRACE_GETREGS, tid, NULL, &user_regs) != 0)
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return false;
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Dwarf_Word dwarf_regs[16];
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dwarf_regs[0] = user_regs.d0;
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dwarf_regs[1] = user_regs.d1;
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dwarf_regs[2] = user_regs.d2;
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dwarf_regs[3] = user_regs.d3;
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dwarf_regs[4] = user_regs.d4;
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dwarf_regs[5] = user_regs.d5;
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dwarf_regs[6] = user_regs.d6;
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dwarf_regs[7] = user_regs.d7;
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dwarf_regs[8] = user_regs.a0;
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dwarf_regs[9] = user_regs.a1;
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dwarf_regs[10] = user_regs.a2;
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dwarf_regs[11] = user_regs.a3;
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dwarf_regs[12] = user_regs.a4;
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dwarf_regs[13] = user_regs.a5;
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dwarf_regs[14] = user_regs.a6;
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dwarf_regs[15] = user_regs.usp;
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/* D0..D7, A0..A7. */
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if (! setfunc (0, 16, dwarf_regs, arg))
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return false;
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/* PC. */
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dwarf_regs[0] = user_regs.pc;
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if (! setfunc (24, 1, dwarf_regs, arg))
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return false;
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return true;
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#endif /* __m68k__ */
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}
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