old-cross-binutils/gdb/gdbserver/linux-ppc-low.c
Daniel Jacobowitz bc1e36cac4 2002-04-11 Daniel Jacobowitz <drow@mvista.com>
* gdbserver/linux-low.c (usr_store_inferior_registers): Support
        registers which are allowed to fail to store.
        * gdbserver/linux-low.h (linux_target_ops): Likewise.
        * gdbserver/linux-ppc-low.c (ppc_regmap): Support FPSCR.
        (ppc_cannot_store_register): FPSCR may not be storable.
        * regformats/reg-ppc.dat: Support FPSCR.
2002-04-11 20:30:08 +00:00

72 lines
2.5 KiB
C

/* GNU/Linux/PowerPC specific low level interface, for the remote server for
GDB.
Copyright 1995, 1996, 1998, 1999, 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 "server.h"
#include "linux-low.h"
#include <asm/ptrace.h>
#define ppc_num_regs 71
/* Currently, don't check/send MQ. */
static int ppc_regmap[] =
{PT_R0 * 4, PT_R1 * 4, PT_R2 * 4, PT_R3 * 4,
PT_R4 * 4, PT_R5 * 4, PT_R6 * 4, PT_R7 * 4,
PT_R8 * 4, PT_R9 * 4, PT_R10 * 4, PT_R11 * 4,
PT_R12 * 4, PT_R13 * 4, PT_R14 * 4, PT_R15 * 4,
PT_R16 * 4, PT_R17 * 4, PT_R18 * 4, PT_R19 * 4,
PT_R20 * 4, PT_R21 * 4, PT_R22 * 4, PT_R23 * 4,
PT_R24 * 4, PT_R25 * 4, PT_R26 * 4, PT_R27 * 4,
PT_R28 * 4, PT_R29 * 4, PT_R30 * 4, PT_R31 * 4,
PT_FPR0*4, PT_FPR0*4 + 8, PT_FPR0*4+16, PT_FPR0*4+24,
PT_FPR0*4+32, PT_FPR0*4+40, PT_FPR0*4+48, PT_FPR0*4+56,
PT_FPR0*4+64, PT_FPR0*4+72, PT_FPR0*4+80, PT_FPR0*4+88,
PT_FPR0*4+96, PT_FPR0*4+104, PT_FPR0*4+112, PT_FPR0*4+120,
PT_FPR0*4+128, PT_FPR0*4+136, PT_FPR0*4+144, PT_FPR0*4+152,
PT_FPR0*4+160, PT_FPR0*4+168, PT_FPR0*4+176, PT_FPR0*4+184,
PT_FPR0*4+192, PT_FPR0*4+200, PT_FPR0*4+208, PT_FPR0*4+216,
PT_FPR0*4+224, PT_FPR0*4+232, PT_FPR0*4+240, PT_FPR0*4+248,
PT_NIP * 4, PT_MSR * 4, PT_CCR * 4, PT_LNK * 4,
PT_CTR * 4, PT_XER * 4, PT_FPSCR * 4, };
static int
ppc_cannot_store_register (int regno)
{
/* Some kernels do not allow us to store fpscr. */
if (regno == find_regno ("fpscr"))
return 2;
return 0;
}
static int
ppc_cannot_fetch_register (int regno)
{
return 0;
}
struct linux_target_ops the_low_target = {
ppc_num_regs,
ppc_regmap,
ppc_cannot_fetch_register,
ppc_cannot_store_register,
};