78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/* Kernel core dump functions below target vector, for GDB on FreeBSD/Alpha.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995
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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, Boston, MA 02111-1307, USA.
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*/
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__FBSDID("$FreeBSD$");
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#include "alpha/tm-alpha.h"
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#ifndef S0_REGNUM
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#define S0_REGNUM (T7_REGNUM+1)
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#endif
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static void
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fetch_kcore_registers (struct pcb *pcbp)
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{
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/* First clear out any garbage. */
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memset (registers, '\0', REGISTER_BYTES);
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/* SP */
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*(long *) ®isters[REGISTER_BYTE (SP_REGNUM)] =
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pcbp->pcb_hw.apcb_ksp;
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/* S0 through S6 */
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memcpy (®isters[REGISTER_BYTE (S0_REGNUM)],
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&pcbp->pcb_context[0], 7 * sizeof (long));
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/* PC */
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*(long *) ®isters[REGISTER_BYTE (PC_REGNUM)] =
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pcbp->pcb_context[7];
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registers_fetched ();
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}
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CORE_ADDR
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fbsd_kern_frame_saved_pc (struct frame_info *fi)
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{
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struct minimal_symbol *sym;
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CORE_ADDR this_saved_pc;
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this_saved_pc = alpha_frame_saved_pc (fi);
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sym = lookup_minimal_symbol_by_pc (this_saved_pc);
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if (sym != NULL &&
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(strcmp (SYMBOL_NAME (sym), "XentArith") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentIF") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentInt") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentMM") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentSys") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentUna") == 0 ||
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strcmp (SYMBOL_NAME (sym), "XentRestart") == 0))
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{
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return (read_memory_integer (fi->frame + 32 * 8, 8));
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}
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else
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{
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return (this_saved_pc);
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}
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}
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