ppclinux-nat.c   [plain text]

/* PPC linux native support.
   Copyright (C) 1988, 1989, 1991, 1992, 1994, 1996 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 "defs.h"
#include "frame.h"
#include "inferior.h"
#include "language.h"
#include "gdbcore.h"

#include "bfd.h"		/* Binary File Description */
#include "symtab.h"
#include "symfile.h"
#include "objfiles.h"
#include "gdb-stabs.h"
#include "target.h"

#include "gdb_stat.h"
#include "obstack.h"
#include "gdb_string.h"


#include <sys/types.h>
#include <sys/param.h>
#include <signal.h>
#include <sys/user.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <sys/procfs.h>

int
kernel_u_size ()
{
  return (sizeof (struct user));
}

static int regmap[] = 
 {PT_R0,     PT_R1,     PT_R2,     PT_R3,     PT_R4,     PT_R5,     PT_R6,     PT_R7,
  PT_R8,     PT_R9,     PT_R10,    PT_R11,    PT_R12,    PT_R13,    PT_R14,    PT_R15,
  PT_R16,    PT_R17,    PT_R18,    PT_R19,    PT_R20,    PT_R21,    PT_R22,    PT_R23,
  PT_R24,    PT_R25,    PT_R26,    PT_R27,    PT_R28,    PT_R29,    PT_R30,    PT_R31,
  PT_FPR0,   PT_FPR0+2, PT_FPR0+4, PT_FPR0+6, PT_FPR0+8, PT_FPR0+10,PT_FPR0+12,PT_FPR0+14,
  PT_FPR0+16,PT_FPR0+18,PT_FPR0+20,PT_FPR0+22,PT_FPR0+24,PT_FPR0+26,PT_FPR0+28,PT_FPR0+30,
  PT_FPR0+32,PT_FPR0+34,PT_FPR0+36,PT_FPR0+38,PT_FPR0+40,PT_FPR0+42,PT_FPR0+44,PT_FPR0+46,
  PT_FPR0+48,PT_FPR0+50,PT_FPR0+52,PT_FPR0+54,PT_FPR0+56,PT_FPR0+58,PT_FPR0+60,PT_FPR0+62,
  PT_NIP,    PT_MSR,    PT_CCR,    PT_LNK,    PT_CTR,    PT_XER,0 };


int ppc_register_u_addr(int blockend, int regnum)
{
    int ustart = blockend;
    if (regnum == MQ_REGNUM) {
	printf_filtered("Don't know how to get PPC mq reg!\n");
	return -1;
    }
    else {
	return (ustart + 4 * regmap[regnum]);
    }
}

supply_gregset(gregset_t *gregsetp)
{
    int regi;
    struct pt_regs *rsp = (struct pt_regs *) gregsetp;
    for (regi=0; regi < 32; regi++) {
	supply_register(regi, (char *) &rsp->gpr[regi]);
    }
    supply_register(PC_REGNUM,  (char *) &rsp->nip);
    supply_register(PS_REGNUM,  (char *) &rsp->msr);
    supply_register(CR_REGNUM,  (char *) &rsp->ccr);
    supply_register(LR_REGNUM,  (char *) &rsp->link);
    supply_register(CTR_REGNUM, (char *) &rsp->ctr);
    supply_register(XER_REGNUM, (char *) &rsp->xer);
}

supply_fpregset(fpregset_t *fpregsetp)
{
    int regi;
    for (regi=0; regi < 32; regi++) {
	supply_register(FP0_REGNUM+regi, (char *) (*fpregsetp + regi));
    }
}