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// OBSOLETE /* Intel 386 native support.

// OBSOLETE    Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,

// OBSOLETE    2000, 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 "language.h"

// OBSOLETE #include "gdbcore.h"

// OBSOLETE #include "regcache.h"

// OBSOLETE 

// OBSOLETE #ifdef USG

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

// OBSOLETE #endif

// OBSOLETE 

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

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

// OBSOLETE #include <signal.h>

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

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

// OBSOLETE #include <fcntl.h>

// OBSOLETE 

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

// OBSOLETE #include "gdb_stat.h"

// OBSOLETE 

// OBSOLETE #include <stddef.h>

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

// OBSOLETE 

// OBSOLETE /* Does AIX define this in <errno.h>?  */

// OBSOLETE extern int errno;

// OBSOLETE 

// OBSOLETE #ifdef HAVE_SYS_REG_H

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

// OBSOLETE #endif

// OBSOLETE 

// OBSOLETE #include "floatformat.h"

// OBSOLETE 

// OBSOLETE #include "target.h"

// OBSOLETE 

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

// OBSOLETE 

// OBSOLETE 

// OBSOLETE /* this table must line up with REGISTER_NAMES in tm-i386v.h */

// OBSOLETE /* symbols like 'EAX' come from <sys/reg.h> */

// OBSOLETE static int regmap[] =

// OBSOLETE {

// OBSOLETE   EAX, ECX, EDX, EBX,

// OBSOLETE   USP, EBP, ESI, EDI,

// OBSOLETE   EIP, EFL, CS, SS,

// OBSOLETE   DS, ES, FS, GS,

// OBSOLETE };

// OBSOLETE 

// OBSOLETE /* blockend is the value of u.u_ar0, and points to the

// OBSOLETE  * place where GS is stored

// OBSOLETE  */

// OBSOLETE 

// OBSOLETE int

// OBSOLETE i386_register_u_addr (int blockend, int regnum)

// OBSOLETE {

// OBSOLETE #if 0

// OBSOLETE   /* this will be needed if fp registers are reinstated */

// OBSOLETE   /* for now, you can look at them with 'info float'

// OBSOLETE    * sys5 wont let you change them with ptrace anyway

// OBSOLETE    */

// OBSOLETE   if (regnum >= FP0_REGNUM && regnum <= FP7_REGNUM)

// OBSOLETE     {

// OBSOLETE       int ubase, fpstate;

// OBSOLETE       struct user u;

// OBSOLETE       ubase = blockend + 4 * (SS + 1) - KSTKSZ;

// OBSOLETE       fpstate = ubase + ((char *) &u.u_fpstate - (char *) &u);

// OBSOLETE       return (fpstate + 0x1c + 10 * (regnum - FP0_REGNUM));

// OBSOLETE     }

// OBSOLETE   else

// OBSOLETE #endif

// OBSOLETE     return (blockend + 4 * regmap[regnum]);

// OBSOLETE 

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* The code below only work on the aix ps/2 (i386-ibm-aix) -

// OBSOLETE  * mtranle@paris - Sat Apr 11 10:34:12 1992

// OBSOLETE  */

// OBSOLETE 

// OBSOLETE struct env387

// OBSOLETE {

// OBSOLETE   unsigned short control;

// OBSOLETE   unsigned short r0;

// OBSOLETE   unsigned short status;

// OBSOLETE   unsigned short r1;

// OBSOLETE   unsigned short tag;

// OBSOLETE   unsigned short r2;

// OBSOLETE   unsigned long eip;

// OBSOLETE   unsigned short code_seg;

// OBSOLETE   unsigned short opcode;

// OBSOLETE   unsigned long operand;

// OBSOLETE   unsigned short operand_seg;

// OBSOLETE   unsigned short r3;

// OBSOLETE   unsigned char regs[8][10];

// OBSOLETE };

// OBSOLETE 

// OBSOLETE static

// OBSOLETE print_387_status (unsigned short status, struct env387 *ep)

// OBSOLETE {

// OBSOLETE   int i;

// OBSOLETE   int bothstatus;

// OBSOLETE   int top;

// OBSOLETE   int fpreg;

// OBSOLETE   unsigned char *p;

// OBSOLETE 

// OBSOLETE   bothstatus = ((status != 0) && (ep->status != 0));

// OBSOLETE   if (status != 0)

// OBSOLETE     {

// OBSOLETE       if (bothstatus)

// OBSOLETE     printf_unfiltered ("u: ");

// OBSOLETE       print_387_status_word (status);

// OBSOLETE     }

// OBSOLETE 

// OBSOLETE   if (ep->status != 0)

// OBSOLETE     {

// OBSOLETE       if (bothstatus)

// OBSOLETE     printf_unfiltered ("e: ");

// OBSOLETE       print_387_status_word (ep->status);

// OBSOLETE     }

// OBSOLETE 

// OBSOLETE   print_387_control_word (ep->control);

// OBSOLETE   printf_unfiltered ("last exception: ");

// OBSOLETE   printf_unfiltered ("opcode %s; ", local_hex_string (ep->opcode));

// OBSOLETE   printf_unfiltered ("pc %s:", local_hex_string (ep->code_seg));

// OBSOLETE   printf_unfiltered ("%s; ", local_hex_string (ep->eip));

// OBSOLETE   printf_unfiltered ("operand %s", local_hex_string (ep->operand_seg));

// OBSOLETE   printf_unfiltered (":%s\n", local_hex_string (ep->operand));

// OBSOLETE 

// OBSOLETE   top = ((ep->status >> 11) & 7);

// OBSOLETE 

// OBSOLETE   printf_unfiltered ("regno  tag  msb              lsb  value\n");

// OBSOLETE   for (fpreg = 7; fpreg >= 0; fpreg--)

// OBSOLETE     {

// OBSOLETE       double val;

// OBSOLETE 

// OBSOLETE       printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : "  ", fpreg);

// OBSOLETE 

// OBSOLETE       switch ((ep->tag >> ((7 - fpreg) * 2)) & 3)

// OBSOLETE     {

// OBSOLETE     case 0:

// OBSOLETE       printf_unfiltered ("valid ");

// OBSOLETE       break;

// OBSOLETE     case 1:

// OBSOLETE       printf_unfiltered ("zero  ");

// OBSOLETE       break;

// OBSOLETE     case 2:

// OBSOLETE       printf_unfiltered ("trap  ");

// OBSOLETE       break;

// OBSOLETE     case 3:

// OBSOLETE       printf_unfiltered ("empty ");

// OBSOLETE       break;

// OBSOLETE     }

// OBSOLETE       for (i = 9; i >= 0; i--)

// OBSOLETE     printf_unfiltered ("%02x", ep->regs[fpreg][i]);

// OBSOLETE 

// OBSOLETE       i387_to_double ((char *) ep->regs[fpreg], (char *) &val);

// OBSOLETE       printf_unfiltered ("  %#g\n", val);

// OBSOLETE     }

// OBSOLETE }

// OBSOLETE 

// OBSOLETE static struct env387 core_env387;

// OBSOLETE 

// OBSOLETE void

// OBSOLETE i386_float_info (void)

// OBSOLETE {

// OBSOLETE   struct env387 fps;

// OBSOLETE   int fpsaved = 0;

// OBSOLETE   /* We need to reverse the order of the registers.  Apparently AIX stores

// OBSOLETE      the highest-numbered ones first.  */

// OBSOLETE   struct env387 fps_fixed;

// OBSOLETE   int i;

// OBSOLETE 

// OBSOLETE   if (! ptid_equal (inferior_ptid, null_ptid))

// OBSOLETE     {

// OBSOLETE       char buf[10];

// OBSOLETE       unsigned short status;

// OBSOLETE 

// OBSOLETE       ptrace (PT_READ_FPR, PIDGET (inferior_ptid), buf,

// OBSOLETE               offsetof (struct env387, status));

// OBSOLETE       memcpy (&status, buf, sizeof (status));

// OBSOLETE       fpsaved = status;

// OBSOLETE     }

// OBSOLETE   else

// OBSOLETE     {

// OBSOLETE       if ((fpsaved = core_env387.status) != 0)

// OBSOLETE     memcpy (&fps, &core_env387, sizeof (fps));

// OBSOLETE     }

// OBSOLETE 

// OBSOLETE   if (fpsaved == 0)

// OBSOLETE     {

// OBSOLETE       printf_unfiltered ("no floating point status saved\n");

// OBSOLETE       return;

// OBSOLETE     }

// OBSOLETE 

// OBSOLETE   if (! ptid_equal (inferior_ptid, null_ptid))

// OBSOLETE     {

// OBSOLETE       int offset;

// OBSOLETE       for (offset = 0; offset < sizeof (fps); offset += 10)

// OBSOLETE     {

// OBSOLETE       char buf[10];

// OBSOLETE       ptrace (PT_READ_FPR, PIDGET (inferior_ptid), buf, offset);

// OBSOLETE       memcpy ((char *) &fps.control + offset, buf,

// OBSOLETE               MIN (10, sizeof (fps) - offset));

// OBSOLETE     }

// OBSOLETE     }

// OBSOLETE   fps_fixed = fps;

// OBSOLETE   for (i = 0; i < 8; ++i)

// OBSOLETE     memcpy (fps_fixed.regs[i], fps.regs[7 - i], 10);

// OBSOLETE   print_387_status (0, &fps_fixed);

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* Fetch one register.  */

// OBSOLETE static void

// OBSOLETE fetch_register (int regno)

// OBSOLETE {

// OBSOLETE   char buf[MAX_REGISTER_RAW_SIZE];

// OBSOLETE   if (regno < FP0_REGNUM)

// OBSOLETE     *(int *) buf = ptrace (PT_READ_GPR, PIDGET (inferior_ptid),

// OBSOLETE                        PT_REG (regmap[regno]), 0, 0);

// OBSOLETE   else

// OBSOLETE     ptrace (PT_READ_FPR, PIDGET (inferior_ptid), buf,

// OBSOLETE         (regno - FP0_REGNUM) * 10 + offsetof (struct env387, regs));

// OBSOLETE   supply_register (regno, buf);

// OBSOLETE }

// OBSOLETE 

// OBSOLETE void

// OBSOLETE fetch_inferior_registers (int regno)

// OBSOLETE {

// OBSOLETE   if (regno < 0)

// OBSOLETE     for (regno = 0; regno < NUM_REGS; regno++)

// OBSOLETE       fetch_register (regno);

// OBSOLETE   else

// OBSOLETE     fetch_register (regno);

// OBSOLETE }

// OBSOLETE 

// OBSOLETE /* store one register */

// OBSOLETE static void

// OBSOLETE store_register (int regno)

// OBSOLETE {

// OBSOLETE   char buf[80];

// OBSOLETE   errno = 0;

// OBSOLETE   if (regno < FP0_REGNUM)

// OBSOLETE     ptrace (PT_WRITE_GPR, PIDGET (inferior_ptid), PT_REG (regmap[regno]),

// OBSOLETE         *(int *) &registers[REGISTER_BYTE (regno)], 0);

// OBSOLETE   else

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

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

// OBSOLETE         (regno - FP0_REGNUM) * 10 + offsetof (struct env387, regs));

// OBSOLETE 

// OBSOLETE   if (errno != 0)

// OBSOLETE     {

// OBSOLETE       sprintf (buf, "writing register number %d", regno);

// OBSOLETE       perror_with_name (buf);

// OBSOLETE     }

// 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 void

// OBSOLETE store_inferior_registers (int regno)

// OBSOLETE {

// OBSOLETE   if (regno < 0)

// OBSOLETE     for (regno = 0; regno < NUM_REGS; regno++)

// OBSOLETE       store_register (regno);

// OBSOLETE   else

// OBSOLETE     store_register (regno);

// OBSOLETE }

// OBSOLETE 

// OBSOLETE #ifndef CD_AX                       /* defined in sys/i386/coredump.h */

// OBSOLETE #define CD_AX       0

// OBSOLETE #define CD_BX       1

// OBSOLETE #define CD_CX       2

// OBSOLETE #define CD_DX       3

// OBSOLETE #define CD_SI       4

// OBSOLETE #define CD_DI       5

// OBSOLETE #define CD_BP       6

// OBSOLETE #define CD_SP       7

// OBSOLETE #define CD_FL       8

// OBSOLETE #define CD_IP       9

// OBSOLETE #define CD_CS       10

// OBSOLETE #define CD_DS       11

// OBSOLETE #define CD_ES       12

// OBSOLETE #define CD_FS       13

// OBSOLETE #define CD_GS       14

// OBSOLETE #define CD_SS       15

// OBSOLETE #endif

// OBSOLETE 

// OBSOLETE /*

// OBSOLETE  * The order here in core_regmap[] has to be the same as in 

// OBSOLETE  * regmap[] above.

// OBSOLETE  */

// OBSOLETE static int core_regmap[] =

// OBSOLETE {

// OBSOLETE   CD_AX, CD_CX, CD_DX, CD_BX,

// OBSOLETE   CD_SP, CD_BP, CD_SI, CD_DI,

// OBSOLETE   CD_IP, CD_FL, CD_CS, CD_SS,

// OBSOLETE   CD_DS, CD_ES, CD_FS, CD_GS,

// 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 

// OBSOLETE   if (which == 0)

// OBSOLETE     {

// OBSOLETE       /* Integer registers */

// OBSOLETE 

// OBSOLETE #define cd_regs(n) ((int *)core_reg_sect)[n]

// OBSOLETE #define regs(n) *((int *) &registers[REGISTER_BYTE (n)])

// OBSOLETE 

// OBSOLETE       int i;

// OBSOLETE       for (i = 0; i < FP0_REGNUM; i++)

// OBSOLETE     regs (i) = cd_regs (core_regmap[i]);

// OBSOLETE     }

// OBSOLETE   else if (which == 2)

// OBSOLETE     {

// OBSOLETE       /* Floating point registers */

// OBSOLETE 

// OBSOLETE       if (core_reg_size >= sizeof (core_env387))

// OBSOLETE     memcpy (&core_env387, core_reg_sect, core_reg_size);

// OBSOLETE       else

// OBSOLETE     fprintf_unfiltered (gdb_stderr, "Couldn't read float regs from core file\n");

// OBSOLETE     }

// OBSOLETE }

// OBSOLETE 

// OBSOLETE 

// OBSOLETE /* Register that we are able to handle i386aix core file formats.

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

// OBSOLETE 

// OBSOLETE static struct core_fns i386aix_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_i386aix (void)

// OBSOLETE {

// OBSOLETE   add_core_fns (&i386aix_core_fns);

// OBSOLETE }