projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 2aa830e4 DJ |
1 | /* Native-dependent code for Linux/MIPS. |
| 2 | Copyright 2001 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 | ||
| 23 | /* Pseudo registers can not be read. ptrace does not provide a way to | |
| 24 | read (or set) PS_REGNUM, and there's no point in reading or setting | |
| 25 | ZERO_REGNUM. We also can not set BADVADDR, CAUSE, or FCRIR via | |
| 26 | ptrace(). */ | |
| 27 | ||
| 28 | int | |
| 29 | mips_linux_cannot_fetch_register (int regno) | |
| 30 | { | |
| 31 | if (regno >= FP_REGNUM) | |
| 32 | return 1; | |
| 33 | else if (regno == PS_REGNUM) | |
| 34 | return 1; | |
| 35 | else if (regno == ZERO_REGNUM) | |
| 36 | return 1; | |
| 37 | else | |
| 38 | return 0; | |
| 39 | } | |
| 40 | ||
| 41 | int | |
| 42 | mips_linux_cannot_store_register (int regno) | |
| 43 | { | |
| 44 | if (regno >= FP_REGNUM) | |
| 45 | return 1; | |
| 46 | else if (regno == PS_REGNUM) | |
| 47 | return 1; | |
| 48 | else if (regno == ZERO_REGNUM) | |
| 49 | return 1; | |
| 50 | else if (regno == BADVADDR_REGNUM) | |
| 51 | return 1; | |
| 52 | else if (regno == CAUSE_REGNUM) | |
| 53 | return 1; | |
| 54 | else if (regno == FCRIR_REGNUM) | |
| 55 | return 1; | |
| 56 | else | |
| 57 | return 0; | |
| 58 | } |