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[/] [or1k/] [tags/] [VER_5_3/] [gdb-5.3/] [gdb/] [mipsnbsd-nat.c] - Rev 1182
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/* Native-dependent code for MIPS systems running NetBSD. Copyright 2000, 2001, 2002 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" #include "mipsnbsd-tdep.h" #include <sys/types.h> #include <sys/ptrace.h> #include <machine/reg.h> /* Determine if PT_GETREGS fetches this register. */ static int getregs_supplies (int regno) { return ((regno) >= ZERO_REGNUM && (regno) <= PC_REGNUM); } void fetch_inferior_registers (int regno) { if (regno == -1 || getregs_supplies (regno)) { struct reg regs; if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) ®s, 0) == -1) perror_with_name ("Couldn't get registers"); mipsnbsd_supply_reg ((char *) ®s, regno); if (regno != -1) return; } if (regno == -1 || regno >= FP0_REGNUM) { struct fpreg fpregs; if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) perror_with_name ("Couldn't get floating point status"); mipsnbsd_supply_fpreg ((char *) &fpregs, regno); } } void store_inferior_registers (int regno) { if (regno == -1 || getregs_supplies (regno)) { struct reg regs; if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) ®s, 0) == -1) perror_with_name ("Couldn't get registers"); mipsnbsd_fill_reg ((char *) ®s, regno); if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) ®s, 0) == -1) perror_with_name ("Couldn't write registers"); if (regno != -1) return; } if (regno == -1 || regno >= FP0_REGNUM) { struct fpreg fpregs; if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) perror_with_name ("Couldn't get floating point status"); mipsnbsd_fill_fpreg ((char *) &fpregs, regno); if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) perror_with_name ("Couldn't write floating point status"); } }
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