diff options
Diffstat (limited to 'gnu/usr.bin/binutils/gdb/kvm-fbsd-alpha.h')
-rw-r--r-- | gnu/usr.bin/binutils/gdb/kvm-fbsd-alpha.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gdb/kvm-fbsd-alpha.h b/gnu/usr.bin/binutils/gdb/kvm-fbsd-alpha.h new file mode 100644 index 0000000..11260ac --- /dev/null +++ b/gnu/usr.bin/binutils/gdb/kvm-fbsd-alpha.h @@ -0,0 +1,77 @@ +/* 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" + +#ifndef S0_REGNUM +#define S0_REGNUM (T7_REGNUM+1) +#endif + +static void +fetch_kcore_registers (struct pcb *pcbp) +{ + + /* First clear out any garbage. */ + memset (registers, '\0', REGISTER_BYTES); + + /* SP */ + *(long *) ®isters[REGISTER_BYTE (SP_REGNUM)] = + pcbp->pcb_hw.apcb_ksp; + + /* S0 through S6 */ + memcpy (®isters[REGISTER_BYTE (S0_REGNUM)], + &pcbp->pcb_context[0], 7 * sizeof (long)); + + /* PC */ + *(long *) ®isters[REGISTER_BYTE (PC_REGNUM)] = + pcbp->pcb_context[7]; + + registers_fetched (); +} + +CORE_ADDR +fbsd_kern_frame_saved_pc (struct frame_info *fi) +{ + struct minimal_symbol *sym; + CORE_ADDR this_saved_pc; + + this_saved_pc = alpha_frame_saved_pc (fi); + + sym = lookup_minimal_symbol_by_pc (this_saved_pc); + + if (sym != NULL && + (strcmp (SYMBOL_NAME (sym), "XentArith") == 0 || + strcmp (SYMBOL_NAME (sym), "XentIF") == 0 || + strcmp (SYMBOL_NAME (sym), "XentInt") == 0 || + strcmp (SYMBOL_NAME (sym), "XentMM") == 0 || + strcmp (SYMBOL_NAME (sym), "XentSys") == 0 || + strcmp (SYMBOL_NAME (sym), "XentUna") == 0 || + strcmp (SYMBOL_NAME (sym), "XentRestart") == 0)) + { + return (read_memory_integer (fi->frame + 32 * 8, 8)); + } + else + { + return (this_saved_pc); + } +} |