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[/] [openrisc/] [tags/] [gnu-src/] [gdb-6.8/] [pre-binutils-2.20.1-sync/] [gdb/] [m88kbsd-nat.c] - Rev 565
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/* Native-dependent code for Motorola 88000 BSD's. Copyright (C) 2004, 2007, 2008 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 "defs.h" #include "inferior.h" #include "regcache.h" #include "target.h" #include <sys/types.h> #include <sys/ptrace.h> #include <machine/reg.h> #include "m88k-tdep.h" #include "inf-ptrace.h" /* Supply the general-purpose registers stored in GREGS to REGCACHE. */ static void m88kbsd_supply_gregset (struct regcache *regcache, const void *gregs) { const char *regs = gregs; int regnum; for (regnum = 0; regnum < M88K_NUM_REGS; regnum++) regcache_raw_supply (regcache, regnum, regs + regnum * 4); } /* Collect the general-purpose registers from REGCACHE and store them in GREGS. */ static void m88kbsd_collect_gregset (const struct regcache *regcache, void *gregs, int regnum) { char *regs = gregs; int i; for (i = 0; i < M88K_NUM_REGS; i++) { if (regnum == -1 || regnum == i) regcache_raw_collect (regcache, i, regs + i * 4); } } /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this for all registers. */ static void m88kbsd_fetch_inferior_registers (struct regcache *regcache, int regnum) { struct reg regs; if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name (_("Couldn't get registers")); m88kbsd_supply_gregset (regcache, ®s); } /* Store register REGNUM back into the inferior. If REGNUM is -1, do this for all registers. */ static void m88kbsd_store_inferior_registers (struct regcache *regcache, int regnum) { struct reg regs; if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name (_("Couldn't get registers")); m88kbsd_collect_gregset (regcache, ®s, regnum); if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) ®s, 0) == -1) perror_with_name (_("Couldn't write registers")); } /* Provide a prototype to silence -Wmissing-prototypes. */ void _initialize_m88kbsd_nat (void); void _initialize_m88kbsd_nat (void) { struct target_ops *t; t = inf_ptrace_target (); t->to_fetch_registers = m88kbsd_fetch_inferior_registers; t->to_store_registers = m88kbsd_store_inferior_registers; add_target (t); }
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