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1181 |
sfurman |
/* Common target dependent code for GDB on Alpha systems running BSD.
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Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "regcache.h"
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#include "alpha-tdep.h"
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#include "alphabsd-tdep.h"
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/* Number of general-purpose registers. */
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#define NUM_GREGS 32
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/* Number of floating-point registers. */
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#define NUM_FPREGS 31
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/* Conviently, GDB uses the same register numbering as the
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ptrace register structure used by BSD on Alpha. */
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void
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alphabsd_supply_reg (char *regs, int regno)
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{
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int i;
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for (i = 0; i < NUM_GREGS; i++)
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{
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if (i == regno || regno == -1)
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{
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if (CANNOT_FETCH_REGISTER (i))
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supply_register (i, NULL);
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else
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supply_register (i, regs + (i * 8));
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}
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}
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/* The PC travels in the ZERO slot. */
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if (regno == PC_REGNUM || regno == -1)
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supply_register (PC_REGNUM, regs + (31 * 8));
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}
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void
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alphabsd_fill_reg (char *regs, int regno)
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{
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int i;
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for (i = 0; i < NUM_GREGS; i++)
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if ((regno == i || regno == -1) && ! CANNOT_STORE_REGISTER (i))
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regcache_collect (i, regs + (i * 8));
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/* The PC travels in the ZERO slot. */
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if (regno == PC_REGNUM || regno == -1)
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regcache_collect (PC_REGNUM, regs + (31 * 8));
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}
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void
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alphabsd_supply_fpreg (char *fpregs, int regno)
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{
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int i;
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for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++)
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{
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if (i == regno || regno == -1)
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{
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if (CANNOT_FETCH_REGISTER (i))
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supply_register (i, NULL);
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else
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supply_register (i, fpregs + ((i - FP0_REGNUM) * 8));
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}
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}
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if (regno == ALPHA_FPCR_REGNUM || regno == -1)
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supply_register (ALPHA_FPCR_REGNUM, fpregs + (32 * 8));
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}
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void
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alphabsd_fill_fpreg (char *fpregs, int regno)
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{
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int i;
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for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++)
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if ((regno == i || regno == -1) && ! CANNOT_STORE_REGISTER (i))
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regcache_collect (i, fpregs + ((i - FP0_REGNUM) * 8));
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if (regno == ALPHA_FPCR_REGNUM || regno == -1)
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regcache_collect (ALPHA_FPCR_REGNUM, fpregs + (32 * 8));
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}
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