/* Native-dependent code for AMD64 BSD's. Copyright 2003, 2004 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 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 "inferior.h" #include "regcache.h" /* We include <signal.h> to make sure `struct fxsave64' is defined on NetBSD, since NetBSD's <machine/reg.h> needs it. */ #include "gdb_assert.h" #include <signal.h> #include <sys/types.h> #include <sys/ptrace.h> #include <machine/reg.h> #include "amd64-tdep.h" #include "amd64-nat.h" /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this for all registers (including the floating-point registers). */ void fetch_inferior_registers (int regnum) { if (regnum == -1 || amd64_native_gregset_supplies_p (regnum)) { struct reg regs; if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name ("Couldn't get registers"); amd64_supply_native_gregset (current_regcache, ®s, -1); if (regnum != -1) return; } if (regnum == -1 || !amd64_native_gregset_supplies_p (regnum)) { struct fpreg fpregs; if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) perror_with_name ("Couldn't get floating point status"); amd64_supply_fxsave (current_regcache, -1, &fpregs); } } /* Store register REGNUM back into the inferior. If REGNUM is -1, do this for all registers (including the floating-point registers). */ void store_inferior_registers (int regnum) { if (regnum == -1 || amd64_native_gregset_supplies_p (regnum)) { struct reg regs; if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name ("Couldn't get registers"); amd64_collect_native_gregset (current_regcache, ®s, regnum); if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name ("Couldn't write registers"); if (regnum != -1) return; } if (regnum == -1 || !amd64_native_gregset_supplies_p (regnum)) { struct fpreg fpregs; if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) perror_with_name ("Couldn't get floating point status"); amd64_collect_fxsave (current_regcache, regnum, &fpregs); if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) perror_with_name ("Couldn't write floating point status"); } }