projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 13a38d45 JT |
1 | /* Native-dependent code for SuperH running NetBSD, for GDB. |
| 2 | Copyright 2002 Free Software Foundation, Inc. | |
| 3 | Contributed by Wasabi Systems, 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 <sys/types.h> | |
| 23 | #include <sys/ptrace.h> | |
| 24 | #include <machine/reg.h> | |
| 25 | ||
| 26 | #include "defs.h" | |
| 27 | #include "inferior.h" | |
| 28 | ||
| 4015edd1 | 29 | #include "shnbsd-tdep.h" |
| 13a38d45 JT |
30 | |
| 31 | /* Determine if PT_GETREGS fetches this register. */ | |
| 32 | #define GETREGS_SUPPLIES(regno) \ | |
| 33 | (((regno) >= R0_REGNUM && (regno) <= (R0_REGNUM + 15)) \ | |
| 34 | || (regno) == PC_REGNUM || (regno) == PR_REGNUM \ | |
| 35 | || (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \ | |
| 36 | || (regno) == SR_REGNUM) | |
| 37 | ||
| 38 | void | |
| 39 | fetch_inferior_registers (int regno) | |
| 40 | { | |
| 41 | if (regno == -1 || GETREGS_SUPPLIES (regno)) | |
| 42 | { | |
| 43 | struct reg inferior_registers; | |
| 44 | ||
| 45 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 46 | (PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1) | |
| 47 | perror_with_name ("Couldn't get registers"); | |
| 48 | ||
| 20cb8cda | 49 | shnbsd_supply_reg ((char *) &inferior_registers, regno); |
| 13a38d45 JT |
50 | |
| 51 | if (regno != -1) | |
| 52 | return; | |
| 53 | } | |
| 54 | } | |
| 55 | ||
| 56 | void | |
| 57 | store_inferior_registers (int regno) | |
| 58 | { | |
| 59 | if (regno == -1 || GETREGS_SUPPLIES (regno)) | |
| 60 | { | |
| 61 | struct reg inferior_registers; | |
| 62 | ||
| 63 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 64 | (PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1) | |
| 65 | perror_with_name ("Couldn't get registers"); | |
| 66 | ||
| 20cb8cda | 67 | shnbsd_fill_reg ((char *) &inferior_registers, regno); |
| 13a38d45 JT |
68 | |
| 69 | if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), | |
| 70 | (PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1) | |
| 71 | perror_with_name ("Couldn't set registers"); | |
| 72 | ||
| 73 | if (regno != -1) | |
| 74 | return; | |
| 75 | } | |
| 76 | } |