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/* Kernel core dump functions below target vector, for GDB on FreeBSD/Alpha.
Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995
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.
*/
__FBSDID("$FreeBSD$");
#include "alpha/tm-alpha.h"
#include "alpha-tdep.h"
#ifndef S0_REGNUM
#define S0_REGNUM (ALPHA_T7_REGNUM+1)
#endif
static void
fetch_kcore_registers (struct pcb *pcbp)
{
/* First clear out any garbage. */
memset (deprecated_registers, '\0', DEPRECATED_REGISTER_BYTES);
/* SP */
*(long *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (SP_REGNUM)] =
pcbp->pcb_hw.apcb_ksp;
/* S0 through S6 */
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (S0_REGNUM)],
&pcbp->pcb_context[0], 7 * sizeof (long));
/* PC */
*(long *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (PC_REGNUM)] =
pcbp->pcb_context[7];
deprecated_registers_fetched ();
}
#if __FreeBSD_version >= 500032
CORE_ADDR
fbsd_kern_frame_saved_pc (struct frame_info *fi)
{
struct minimal_symbol *sym;
CORE_ADDR this_saved_pc;
this_saved_pc = DEPRECATED_FRAME_SAVED_PC(fi);
sym = lookup_minimal_symbol_by_pc (this_saved_pc);
if (sym != NULL &&
(strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentArith") == 0 ||
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentIF") == 0 ||
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentInt") == 0 ||
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentMM") == 0 ||
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentSys") == 0 ||
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentUna") == 0 ||
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentRestart") == 0))
{
return (read_memory_integer (get_frame_base (fi) + 32 * 8, 8));
}
else
{
return (this_saved_pc);
}
}
#endif // __FreeBSD_version >= 500032
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