| /* Common target dependent code for GDB on Alpha systems running BSD. |
| Copyright 2000, 2001, 2002 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "defs.h" |
| #include "regcache.h" |
| |
| #include "alpha-tdep.h" |
| #include "alphabsd-tdep.h" |
| |
| /* Number of general-purpose registers. */ |
| #define NUM_GREGS 32 |
| |
| /* Number of floating-point registers. */ |
| #define NUM_FPREGS 31 |
| |
| /* Conviently, GDB uses the same register numbering as the |
| ptrace register structure used by BSD on Alpha. */ |
| |
| void |
| alphabsd_supply_reg (char *regs, int regno) |
| { |
| int i; |
| |
| for (i = 0; i < NUM_GREGS; i++) |
| { |
| if (i == regno || regno == -1) |
| { |
| if (CANNOT_FETCH_REGISTER (i)) |
| supply_register (i, NULL); |
| else |
| supply_register (i, regs + (i * 8)); |
| } |
| } |
| |
| /* The PC travels in the ZERO slot. */ |
| if (regno == PC_REGNUM || regno == -1) |
| supply_register (PC_REGNUM, regs + (31 * 8)); |
| } |
| |
| void |
| alphabsd_fill_reg (char *regs, int regno) |
| { |
| int i; |
| |
| for (i = 0; i < NUM_GREGS; i++) |
| if ((regno == i || regno == -1) && ! CANNOT_STORE_REGISTER (i)) |
| regcache_collect (i, regs + (i * 8)); |
| |
| /* The PC travels in the ZERO slot. */ |
| if (regno == PC_REGNUM || regno == -1) |
| regcache_collect (PC_REGNUM, regs + (31 * 8)); |
| } |
| |
| void |
| alphabsd_supply_fpreg (char *fpregs, int regno) |
| { |
| int i; |
| |
| for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++) |
| { |
| if (i == regno || regno == -1) |
| { |
| if (CANNOT_FETCH_REGISTER (i)) |
| supply_register (i, NULL); |
| else |
| supply_register (i, fpregs + ((i - FP0_REGNUM) * 8)); |
| } |
| } |
| |
| if (regno == ALPHA_FPCR_REGNUM || regno == -1) |
| supply_register (ALPHA_FPCR_REGNUM, fpregs + (32 * 8)); |
| } |
| |
| void |
| alphabsd_fill_fpreg (char *fpregs, int regno) |
| { |
| int i; |
| |
| for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++) |
| if ((regno == i || regno == -1) && ! CANNOT_STORE_REGISTER (i)) |
| regcache_collect (i, fpregs + ((i - FP0_REGNUM) * 8)); |
| |
| if (regno == ALPHA_FPCR_REGNUM || regno == -1) |
| regcache_collect (ALPHA_FPCR_REGNUM, fpregs + (32 * 8)); |
| } |