projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 0a30fbc4 DJ |
1 | /* GNU/Linux/i386 specific low level interface, for the remote server for GDB. |
| 2 | Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002 | |
| 3 | Free Software Foundation, Inc. | |
| 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 "server.h" | |
| 23 | ||
| 24 | #ifdef HAVE_SYS_REG_H | |
| 25 | #include <sys/reg.h> | |
| 26 | #endif | |
| 27 | ||
| 28 | /* This module only supports access to the general purpose registers. | |
| 29 | Adjust the relevant constants accordingly. | |
| 30 | ||
| 31 | FIXME: kettenis/2001-03-28: We should really use PTRACE_GETREGS to | |
| 32 | get at the registers. Better yet, we should try to share code with | |
| 33 | i386-linux-nat.c. */ | |
| 34 | ||
| 35 | int num_regs = 16; | |
| 36 | ||
| 37 | /* This stuff comes from i386-linux-nat.c. */ | |
| 38 | ||
| 39 | /* Mapping between the general-purpose registers in `struct user' | |
| 40 | format and GDB's register array layout. */ | |
| 41 | int regmap[] = | |
| 42 | { | |
| 43 | EAX * 4, ECX * 4, EDX * 4, EBX * 4, | |
| 44 | UESP * 4, EBP * 4, ESI * 4, EDI * 4, | |
| 45 | EIP * 4, EFL * 4, CS * 4, SS * 4, | |
| 46 | DS * 4, ES * 4, FS * 4, GS * 4 | |
| 47 | }; | |
| 48 | ||
| 49 | int | |
| 50 | cannot_store_register (int regno) | |
| 51 | { | |
| 52 | return (regno >= num_regs); | |
| 53 | } | |
| 54 | ||
| 55 | int | |
| 56 | cannot_fetch_register (int regno) | |
| 57 | { | |
| 58 | return (regno >= num_regs); | |
| 59 | } |