projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| d195bc9f MK |
1 | /* Native-dependent code for OpenBSD/powerpc. |
| 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 <stddef.h> | |
| 27 | #include <sys/types.h> | |
| 28 | #include <sys/ptrace.h> | |
| 29 | #include <machine/reg.h> | |
| 30 | ||
| 31 | #include "ppcobsd-tdep.h" | |
| 32 | ||
| 33 | /* OpenBSD/powerpc doesn't have PT_GETFPREGS/PT_SETFPREGS like | |
| 34 | NetBSD/powerpc and FreeBSD/powerpc. */ | |
| 35 | ||
| 36 | /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this | |
| 37 | for all registers. */ | |
| 38 | ||
| 39 | void | |
| 40 | fetch_inferior_registers (int regnum) | |
| 41 | { | |
| 42 | struct reg regs; | |
| 43 | ||
| 44 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 45 | (PTRACE_ARG3_TYPE) ®s, 0) == -1) | |
| 46 | perror_with_name ("Couldn't get registers"); | |
| 47 | ||
| 48 | ppcobsd_supply_gregset (&ppcobsd_gregset, current_regcache, -1, | |
| 49 | ®s, sizeof regs); | |
| 50 | } | |
| 51 | ||
| 52 | /* Store register REGNUM back into the inferior. If REGNUM is -1, do | |
| 53 | this for all registers. */ | |
| 54 | ||
| 55 | void | |
| 56 | store_inferior_registers (int regnum) | |
| 57 | { | |
| 58 | struct reg regs; | |
| 59 | ||
| 60 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
| 61 | (PTRACE_ARG3_TYPE) ®s, 0) == -1) | |
| 62 | perror_with_name ("Couldn't get registers"); | |
| 63 | ||
| 64 | ppcobsd_collect_gregset (&ppcobsd_gregset, current_regcache, | |
| 65 | regnum, ®s, sizeof regs); | |
| 66 | ||
| 67 | if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), | |
| 68 | (PTRACE_ARG3_TYPE) ®s, 0) == -1) | |
| 69 | perror_with_name ("Couldn't write registers"); | |
| 70 | } | |
| 71 | \f | |
| 72 | ||
| 73 | /* Provide a prototype to silence -Wmissing-prototypes. */ | |
| 74 | void _initialize_ppcobsd_nat (void); | |
| 75 | ||
| 76 | void | |
| 77 | _initialize_ppcobsd_nat (void) | |
| 78 | { | |
| 79 | /* General-purpose registers. */ | |
| 80 | ppcobsd_reg_offsets.r0_offset = offsetof (struct reg, gpr); | |
| 81 | ppcobsd_reg_offsets.pc_offset = offsetof (struct reg, pc); | |
| 82 | ppcobsd_reg_offsets.ps_offset = offsetof (struct reg, ps); | |
| 83 | ppcobsd_reg_offsets.cr_offset = offsetof (struct reg, cnd); | |
| 84 | ppcobsd_reg_offsets.lr_offset = offsetof (struct reg, lr); | |
| 85 | ppcobsd_reg_offsets.ctr_offset = offsetof (struct reg, cnt); | |
| 86 | ppcobsd_reg_offsets.xer_offset = offsetof (struct reg, xer); | |
| 87 | ppcobsd_reg_offsets.mq_offset = offsetof (struct reg, mq); | |
| 88 | ||
| 89 | /* Floating-point registers. */ | |
| 90 | ppcobsd_reg_offsets.f0_offset = offsetof (struct reg, fpr); | |
| 91 | ppcobsd_reg_offsets.fpscr_offset = -1; | |
| 92 | ||
| 93 | /* AltiVec registers. */ | |
| 94 | ppcobsd_reg_offsets.vr0_offset = offsetof (struct vreg, vreg); | |
| 95 | ppcobsd_reg_offsets.vscr_offset = offsetof (struct vreg, vscr); | |
| 96 | ppcobsd_reg_offsets.vrsave_offset = offsetof (struct vreg, vrsave); | |
| 97 | } |