projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| bf2ca189 MK |
1 | /* Native-dependent code for Motorola 88000 BSD's. |
| 2 | ||
| 3 | Copyright 2004 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 "defs.h" | |
| 23 | #include "inferior.h" | |
| 24 | #include "regcache.h" | |
| 25 | ||
| 26 | #include <sys/types.h> | |
| 27 | #include <sys/ptrace.h> | |
| 28 | #include <machine/reg.h> | |
| 29 | ||
| 30 | #include "m88k-tdep.h" | |
| 31 | ||
| 32 | /* Supply the general-purpose registers stored in GREGS to REGCACHE. */ | |
| 33 | ||
| 34 | static void | |
| 35 | m88kbsd_supply_gregset (struct regcache *regcache, const void *gregs) | |
| 36 | { | |
| 37 | const char *regs = gregs; | |
| 38 | int regnum; | |
| 39 | ||
| 40 | for (regnum = 0; regnum < M88K_NUM_REGS; regnum++) | |
| 41 | regcache_raw_supply (regcache, regnum, regs + regnum * 4); | |
| 42 | } | |
| 43 | ||
| 44 | /* Collect the general-purpose registers from REGCACHE and store them | |
| 45 | in GREGS. */ | |
| 46 | ||
| 47 | static void | |
| 48 | m88kbsd_collect_gregset (const struct regcache *regcache, | |
| 49 | void *gregs, int regnum) | |
| 50 | { | |
| 51 | char *regs = gregs; | |
| 52 | int i; | |
| 53 | ||
| 54 | for (i = 0; i < M88K_NUM_REGS; i++) | |
| 55 | { | |
| 56 | if (regnum == -1 || regnum == i) | |
| 57 | regcache_raw_collect (regcache, i, regs + i * 4); | |
| 58 | } | |
| 59 | } | |
| 60 | \f | |
| 61 | ||
| 62 | /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this | |
| 63 | for all registers. */ | |
| 64 | ||
| 65 | void | |
| 66 | fetch_inferior_registers (int regnum) | |
| 67 | { | |
| 68 | struct reg regs; | |
| 69 | ||
| 70 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 71 | (PTRACE_ARG3_TYPE) ®s, 0) == -1) | |
| 72 | perror_with_name ("Couldn't get registers"); | |
| 73 | ||
| 74 | m88kbsd_supply_gregset (current_regcache, ®s); | |
| 75 | } | |
| 76 | ||
| 77 | /* Store register REGNUM back into the inferior. If REGNUM is -1, do | |
| 78 | this for all registers. */ | |
| 79 | ||
| 80 | void | |
| 81 | store_inferior_registers (int regnum) | |
| 82 | { | |
| 83 | struct reg regs; | |
| 84 | ||
| 85 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 86 | (PTRACE_ARG3_TYPE) ®s, 0) == -1) | |
| 87 | perror_with_name ("Couldn't get registers"); | |
| 88 | ||
| 89 | m88kbsd_collect_gregset (current_regcache, ®s, regnum); | |
| 90 | ||
| 91 | if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), | |
| 92 | (PTRACE_ARG3_TYPE) ®s, 0) == -1) | |
| 93 | perror_with_name ("Couldn't write registers"); | |
| 94 | } |