projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 45888261 | 1 | /* Native-dependent code for MIPS systems running NetBSD. |
| 9f8e0089 MK |
2 | |
| 3 | Copyright 2000, 2001, 2002, 2004 Free Software Foundation, Inc. | |
| 45888261 JT |
4 | |
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 2 of the License, or | |
| 10 | (at your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program; if not, write to the Free Software | |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | Boston, MA 02111-1307, USA. */ | |
| 21 | ||
| 22 | #include "defs.h" | |
| 23 | #include "inferior.h" | |
| 24 | #include "regcache.h" | |
| 25 | ||
| 26 | #include "mipsnbsd-tdep.h" | |
| 27 | ||
| 28 | #include <sys/types.h> | |
| 29 | #include <sys/ptrace.h> | |
| 30 | #include <machine/reg.h> | |
| 31 | ||
| 32 | /* Determine if PT_GETREGS fetches this register. */ | |
| 33 | static int | |
| 34 | getregs_supplies (int regno) | |
| 35 | { | |
| 36 | return ((regno) >= ZERO_REGNUM && (regno) <= PC_REGNUM); | |
| 37 | } | |
| 38 | ||
| 39 | void | |
| 40 | fetch_inferior_registers (int regno) | |
| 41 | { | |
| 42 | if (regno == -1 || getregs_supplies (regno)) | |
| 43 | { | |
| 44 | struct reg regs; | |
| 45 | ||
| 46 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 9f8e0089 | 47 | (PTRACE_TYPE_ARG3) ®s, 0) == -1) |
| 45888261 JT |
48 | perror_with_name ("Couldn't get registers"); |
| 49 | ||
| 50 | mipsnbsd_supply_reg ((char *) ®s, regno); | |
| 51 | if (regno != -1) | |
| 52 | return; | |
| 53 | } | |
| 54 | ||
| 55 | if (regno == -1 || regno >= FP0_REGNUM) | |
| 56 | { | |
| 57 | struct fpreg fpregs; | |
| 58 | ||
| 59 | if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), | |
| 9f8e0089 | 60 | (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) |
| 45888261 JT |
61 | perror_with_name ("Couldn't get floating point status"); |
| 62 | ||
| 63 | mipsnbsd_supply_fpreg ((char *) &fpregs, regno); | |
| 64 | } | |
| 65 | } | |
| 66 | ||
| 67 | void | |
| 68 | store_inferior_registers (int regno) | |
| 69 | { | |
| 70 | if (regno == -1 || getregs_supplies (regno)) | |
| 71 | { | |
| 72 | struct reg regs; | |
| 73 | ||
| 74 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 9f8e0089 | 75 | (PTRACE_TYPE_ARG3) ®s, 0) == -1) |
| 45888261 JT |
76 | perror_with_name ("Couldn't get registers"); |
| 77 | ||
| 78 | mipsnbsd_fill_reg ((char *) ®s, regno); | |
| 79 | ||
| 80 | if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), | |
| 9f8e0089 | 81 | (PTRACE_TYPE_ARG3) ®s, 0) == -1) |
| 45888261 JT |
82 | perror_with_name ("Couldn't write registers"); |
| 83 | ||
| 84 | if (regno != -1) | |
| 85 | return; | |
| 86 | } | |
| 87 | ||
| 88 | if (regno == -1 || regno >= FP0_REGNUM) | |
| 89 | { | |
| 90 | struct fpreg fpregs; | |
| 91 | ||
| 92 | if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), | |
| 9f8e0089 | 93 | (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) |
| 45888261 JT |
94 | perror_with_name ("Couldn't get floating point status"); |
| 95 | ||
| 96 | mipsnbsd_fill_fpreg ((char *) &fpregs, regno); | |
| 97 | ||
| 98 | if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), | |
| 9f8e0089 | 99 | (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) |
| 45888261 JT |
100 | perror_with_name ("Couldn't write floating point status"); |
| 101 | } | |
| 102 | } |