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// OBSOLETE /* Native dependent code for Mach 386's for GDB, the GNU debugger.

// OBSOLETE    Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1995, 1996, 1999, 2000,

// OBSOLETE    2001 Free Software Foundation, Inc.

// OBSOLETE 

// OBSOLETE    This file is part of GDB.

// OBSOLETE 

// OBSOLETE    This program is free software; you can redistribute it and/or modify

// OBSOLETE    it under the terms of the GNU General Public License as published by

// OBSOLETE    the Free Software Foundation; either version 2 of the License, or

// OBSOLETE    (at your option) any later version.

// OBSOLETE 

// OBSOLETE    This program is distributed in the hope that it will be useful,

// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of

// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// OBSOLETE    GNU General Public License for more details.

// OBSOLETE 

// OBSOLETE    You should have received a copy of the GNU General Public License

// OBSOLETE    along with this program; if not, write to the Free Software

// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,

// OBSOLETE    Boston, MA 02111-1307, USA.  */

// OBSOLETE 

// OBSOLETE #include "defs.h"

// OBSOLETE #include "frame.h"

// OBSOLETE #include "inferior.h"

// OBSOLETE #include "gdbcore.h"

// OBSOLETE #include "regcache.h"

// OBSOLETE 

// OBSOLETE #include <sys/param.h>

// OBSOLETE #include <sys/dir.h>

// OBSOLETE #include <sys/user.h>

// OBSOLETE #include <signal.h>

// OBSOLETE #include <sys/ioctl.h>

// OBSOLETE #include <fcntl.h>

// OBSOLETE 

// OBSOLETE #include <sys/ptrace.h>

// OBSOLETE #include <machine/reg.h>

// OBSOLETE 

// OBSOLETE #include <sys/file.h>

// OBSOLETE #include "gdb_stat.h"

// OBSOLETE #include <sys/core.h>

// OBSOLETE 

// OBSOLETE static void fetch_core_registers (char *, unsigned, int, CORE_ADDR);

// OBSOLETE 

// OBSOLETE void

// OBSOLETE fetch_inferior_registers (int regno)

// OBSOLETE {

// OBSOLETE   struct regs inferior_registers;

// OBSOLETE   struct fp_state inferior_fp_registers;

// OBSOLETE 

// OBSOLETE   registers_fetched ();

// OBSOLETE 

// OBSOLETE   ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),

// OBSOLETE       (PTRACE_ARG3_TYPE) & inferior_registers);

// OBSOLETE   ptrace (PTRACE_GETFPREGS, PIDGET (inferior_ptid),

// OBSOLETE       (PTRACE_ARG3_TYPE) & inferior_fp_registers);

// OBSOLETE 

// OBSOLETE   memcpy (registers, &inferior_registers, sizeof inferior_registers);

// OBSOLETE 

// OBSOLETE   memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)],

// OBSOLETE       inferior_fp_registers.f_st,

// OBSOLETE       sizeof inferior_fp_registers.f_st);

// OBSOLETE   memcpy (&registers[REGISTER_BYTE (FPC_REGNUM)],

// OBSOLETE       &inferior_fp_registers.f_ctrl,

// OBSOLETE       sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* Store our register values back into the inferior.

// OBSOLETE    If REGNO is -1, do this for all registers.

// OBSOLETE    Otherwise, REGNO specifies which register (so we can save time).  */

// OBSOLETE 

// OBSOLETE void

// OBSOLETE store_inferior_registers (int regno)

// OBSOLETE {

// OBSOLETE   struct regs inferior_registers;

// OBSOLETE   struct fp_state inferior_fp_registers;

// OBSOLETE 

// OBSOLETE   memcpy (&inferior_registers, registers, 20 * 4);

// OBSOLETE 

// OBSOLETE   memcpy (inferior_fp_registers.f_st, &registers[REGISTER_BYTE (FP0_REGNUM)],

// OBSOLETE       sizeof inferior_fp_registers.f_st);

// OBSOLETE   memcpy (&inferior_fp_registers.f_ctrl,

// OBSOLETE       &registers[REGISTER_BYTE (FPC_REGNUM)],

// OBSOLETE       sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);

// OBSOLETE 

// OBSOLETE #ifdef PTRACE_FP_BUG

// OBSOLETE   if (regno == FP_REGNUM || regno == -1)

// OBSOLETE     /* Storing the frame pointer requires a gross hack, in which an

// OBSOLETE        instruction that moves eax into ebp gets single-stepped.  */

// OBSOLETE     {

// OBSOLETE       int stack = inferior_registers.r_reg[SP_REGNUM];

// OBSOLETE       int stuff = ptrace (PTRACE_PEEKDATA, PIDGET (inferior_ptid),

// OBSOLETE                       (PTRACE_ARG3_TYPE) stack);

// OBSOLETE       int reg = inferior_registers.r_reg[EAX];

// OBSOLETE       inferior_registers.r_reg[EAX] =

// OBSOLETE     inferior_registers.r_reg[FP_REGNUM];

// OBSOLETE       ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),

// OBSOLETE           (PTRACE_ARG3_TYPE) & inferior_registers);

// OBSOLETE       ptrace (PTRACE_POKEDATA, PIDGET (inferior_ptid),

// OBSOLETE               (PTRACE_ARG3_TYPE) stack, 0xc589);

// OBSOLETE       ptrace (PTRACE_SINGLESTEP, PIDGET (inferior_ptid),

// OBSOLETE               (PTRACE_ARG3_TYPE) stack, 0);

// OBSOLETE       wait (0);

// OBSOLETE       ptrace (PTRACE_POKEDATA, PIDGET (inferior_ptid),

// OBSOLETE               (PTRACE_ARG3_TYPE) stack, stuff);

// OBSOLETE       inferior_registers.r_reg[EAX] = reg;

// OBSOLETE     }

// OBSOLETE #endif

// OBSOLETE   ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),

// OBSOLETE       (PTRACE_ARG3_TYPE) & inferior_registers);

// OBSOLETE   ptrace (PTRACE_SETFPREGS, PIDGET (inferior_ptid),

// OBSOLETE       (PTRACE_ARG3_TYPE) & inferior_fp_registers);

// OBSOLETE }

// OBSOLETE 

// OBSOLETE 

// OBSOLETE 

// OBSOLETE /* Provide registers to GDB from a core file.

// OBSOLETE 

// OBSOLETE    CORE_REG_SECT points to an array of bytes, which were obtained from

// OBSOLETE    a core file which BFD thinks might contain register contents. 

// OBSOLETE    CORE_REG_SIZE is its size.

// OBSOLETE 

// OBSOLETE    WHICH says which register set corelow suspects this is:

// OBSOLETE      0 --- the general-purpose register set

// OBSOLETE      2 --- the floating-point register set

// OBSOLETE 

// OBSOLETE    REG_ADDR isn't used.  */

// OBSOLETE 

// OBSOLETE static void

// OBSOLETE fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,

// OBSOLETE                   int which, CORE_ADDR reg_addr)

// OBSOLETE {

// OBSOLETE   int val;

// OBSOLETE 

// OBSOLETE   switch (which)

// OBSOLETE     {

// OBSOLETE     case 0:

// OBSOLETE     case 1:

// OBSOLETE       memcpy (registers, core_reg_sect, core_reg_size);

// OBSOLETE       break;

// OBSOLETE 

// OBSOLETE     case 2:

// OBSOLETE       memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)],

// OBSOLETE           core_reg_sect,

// OBSOLETE           core_reg_size);   /* FIXME, probably bogus */

// OBSOLETE #ifdef FPC_REGNUM

// OBSOLETE       memcpy (&registers[REGISTER_BYTE (FPC_REGNUM)],

// OBSOLETE           &corestr.c_fpu.f_fpstatus.f_ctrl,

// OBSOLETE           sizeof corestr.c_fpu.f_fpstatus -

// OBSOLETE           sizeof corestr.c_fpu.f_fpstatus.f_st);

// OBSOLETE #endif

// OBSOLETE       break;

// OBSOLETE     }

// OBSOLETE }

// OBSOLETE 

// OBSOLETE 

// OBSOLETE /* Register that we are able to handle i386mach core file formats.

// OBSOLETE    FIXME: is this really bfd_target_unknown_flavour? */

// OBSOLETE 

// OBSOLETE static struct core_fns i386mach_core_fns =

// OBSOLETE {

// OBSOLETE   bfd_target_unknown_flavour,               /* core_flavour */

// OBSOLETE   default_check_format,                     /* check_format */

// OBSOLETE   default_core_sniffer,                     /* core_sniffer */

// OBSOLETE   fetch_core_registers,                     /* core_read_registers */

// OBSOLETE   NULL                                      /* next */

// OBSOLETE };

// OBSOLETE 

// OBSOLETE void

// OBSOLETE _initialize_core_i386mach (void)

// OBSOLETE {

// OBSOLETE   add_core_fns (&i386mach_core_fns);

// OBSOLETE }