projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 45888261 JT |
1 | /* Native-dependent code for MIPS systems running NetBSD. |
| 2 | Copyright 2000, 2001, 2002 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 | Boston, MA 02111-1307, USA. */ | |
| 20 | ||
| 21 | #include "defs.h" | |
| 22 | #include "inferior.h" | |
| 23 | #include "regcache.h" | |
| 24 | ||
| 25 | #include "mipsnbsd-tdep.h" | |
| 26 | ||
| 27 | #include <sys/types.h> | |
| 28 | #include <sys/ptrace.h> | |
| 29 | #include <machine/reg.h> | |
| 30 | ||
| 31 | /* Determine if PT_GETREGS fetches this register. */ | |
| 32 | static int | |
| 33 | getregs_supplies (int regno) | |
| 34 | { | |
| 35 | return ((regno) >= ZERO_REGNUM && (regno) <= PC_REGNUM); | |
| 36 | } | |
| 37 | ||
| 38 | void | |
| 39 | fetch_inferior_registers (int regno) | |
| 40 | { | |
| 41 | if (regno == -1 || getregs_supplies (regno)) | |
| 42 | { | |
| 43 | struct reg regs; | |
| 44 | ||
| 45 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 46 | (PTRACE_ARG3_TYPE) ®s, 0) == -1) | |
| 47 | perror_with_name ("Couldn't get registers"); | |
| 48 | ||
| 49 | mipsnbsd_supply_reg ((char *) ®s, regno); | |
| 50 | if (regno != -1) | |
| 51 | return; | |
| 52 | } | |
| 53 | ||
| 54 | if (regno == -1 || regno >= FP0_REGNUM) | |
| 55 | { | |
| 56 | struct fpreg fpregs; | |
| 57 | ||
| 58 | if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), | |
| 59 | (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) | |
| 60 | perror_with_name ("Couldn't get floating point status"); | |
| 61 | ||
| 62 | mipsnbsd_supply_fpreg ((char *) &fpregs, regno); | |
| 63 | } | |
| 64 | } | |
| 65 | ||
| 66 | void | |
| 67 | store_inferior_registers (int regno) | |
| 68 | { | |
| 69 | if (regno == -1 || getregs_supplies (regno)) | |
| 70 | { | |
| 71 | struct reg regs; | |
| 72 | ||
| 73 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 74 | (PTRACE_ARG3_TYPE) ®s, 0) == -1) | |
| 75 | perror_with_name ("Couldn't get registers"); | |
| 76 | ||
| 77 | mipsnbsd_fill_reg ((char *) ®s, regno); | |
| 78 | ||
| 79 | if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), | |
| 80 | (PTRACE_ARG3_TYPE) ®s, 0) == -1) | |
| 81 | perror_with_name ("Couldn't write registers"); | |
| 82 | ||
| 83 | if (regno != -1) | |
| 84 | return; | |
| 85 | } | |
| 86 | ||
| 87 | if (regno == -1 || regno >= FP0_REGNUM) | |
| 88 | { | |
| 89 | struct fpreg fpregs; | |
| 90 | ||
| 91 | if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), | |
| 92 | (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) | |
| 93 | perror_with_name ("Couldn't get floating point status"); | |
| 94 | ||
| 95 | mipsnbsd_fill_fpreg ((char *) &fpregs, regno); | |
| 96 | ||
| 97 | if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), | |
| 98 | (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) | |
| 99 | perror_with_name ("Couldn't write floating point status"); | |
| 100 | } | |
| 101 | } |