| 1 |
/* Kernel core dump functions below target vector, for GDB on FreeBSD/Alpha. |
| 2 |
Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995 |
| 3 |
Free Software Foundation, Inc. |
| 4 |
|
| 5 |
This file is part of GDB. |
| 6 |
|
| 7 |
This program is free software; you can redistribute it and/or modify |
| 8 |
it under the terms of the GNU General Public License as published by |
| 9 |
the Free Software Foundation; either version 2 of the License, or |
| 10 |
(at your option) any later version. |
| 11 |
|
| 12 |
This program is distributed in the hope that it will be useful, |
| 13 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
GNU General Public License for more details. |
| 16 |
|
| 17 |
You should have received a copy of the GNU General Public License |
| 18 |
along with this program; if not, write to the Free Software |
| 19 |
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 20 |
*/ |
| 21 |
|
| 22 |
__FBSDID("$FreeBSD: ports/devel/gdb6/files/kvm-fbsd-alpha.h,v 1.1 2004/06/20 22:22:02 obrien Exp $"); |
| 23 |
|
| 24 |
#include "alpha/tm-alpha.h" |
| 25 |
#include "alpha-tdep.h" |
| 26 |
|
| 27 |
#ifndef S0_REGNUM |
| 28 |
#define S0_REGNUM (ALPHA_T7_REGNUM+1) |
| 29 |
#endif |
| 30 |
|
| 31 |
static void |
| 32 |
fetch_kcore_registers (struct pcb *pcbp) |
| 33 |
{ |
| 34 |
|
| 35 |
/* First clear out any garbage. */ |
| 36 |
memset (deprecated_registers, '\0', DEPRECATED_REGISTER_BYTES); |
| 37 |
|
| 38 |
/* SP */ |
| 39 |
*(long *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (SP_REGNUM)] = |
| 40 |
pcbp->pcb_hw.apcb_ksp; |
| 41 |
|
| 42 |
/* S0 through S6 */ |
| 43 |
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (S0_REGNUM)], |
| 44 |
&pcbp->pcb_context[0], 7 * sizeof (long)); |
| 45 |
|
| 46 |
/* PC */ |
| 47 |
*(long *) &deprecated_registers[DEPRECATED_REGISTER_BYTE (PC_REGNUM)] = |
| 48 |
pcbp->pcb_context[7]; |
| 49 |
|
| 50 |
deprecated_registers_fetched (); |
| 51 |
} |
| 52 |
|
| 53 |
#if __FreeBSD_version >= 500032 |
| 54 |
CORE_ADDR |
| 55 |
fbsd_kern_frame_saved_pc (struct frame_info *fi) |
| 56 |
{ |
| 57 |
struct minimal_symbol *sym; |
| 58 |
CORE_ADDR this_saved_pc; |
| 59 |
|
| 60 |
this_saved_pc = DEPRECATED_FRAME_SAVED_PC(fi); |
| 61 |
|
| 62 |
sym = lookup_minimal_symbol_by_pc (this_saved_pc); |
| 63 |
|
| 64 |
if (sym != NULL && |
| 65 |
(strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentArith") == 0 || |
| 66 |
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentIF") == 0 || |
| 67 |
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentInt") == 0 || |
| 68 |
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentMM") == 0 || |
| 69 |
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentSys") == 0 || |
| 70 |
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentUna") == 0 || |
| 71 |
strcmp (DEPRECATED_SYMBOL_NAME (sym), "XentRestart") == 0)) |
| 72 |
{ |
| 73 |
return (read_memory_integer (get_frame_base (fi) + 32 * 8, 8)); |
| 74 |
} |
| 75 |
else |
| 76 |
{ |
| 77 |
return (this_saved_pc); |
| 78 |
} |
| 79 |
} |
| 80 |
#endif |
