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[/] [or1k/] [trunk/] [gdb-5.3/] [gdb/] [alphabsd-tdep.c] - Rev 1773
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/* 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)); }
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