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[/] [or1k/] [trunk/] [gdb-5.3/] [gdb/] [i386mach-nat.c] - Blame information for rev 1765

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Line No. Rev Author Line
1 1181 sfurman
// OBSOLETE /* Native dependent code for Mach 386's for GDB, the GNU debugger.
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// OBSOLETE    Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1995, 1996, 1999, 2000,
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// OBSOLETE    2001 Free Software Foundation, Inc.
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// OBSOLETE 
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// OBSOLETE    This file is part of GDB.
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// OBSOLETE 
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// OBSOLETE    This program is free software; you can redistribute it and/or modify
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// OBSOLETE    it under the terms of the GNU General Public License as published by
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// OBSOLETE    the Free Software Foundation; either version 2 of the License, or
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// OBSOLETE    (at your option) any later version.
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// OBSOLETE 
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// OBSOLETE    This program is distributed in the hope that it will be useful,
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// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
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// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// OBSOLETE    GNU General Public License for more details.
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// OBSOLETE 
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// OBSOLETE    You should have received a copy of the GNU General Public License
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// OBSOLETE    along with this program; if not, write to the Free Software
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// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
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// OBSOLETE    Boston, MA 02111-1307, USA.  */
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// OBSOLETE 
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// OBSOLETE #include "defs.h"
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// OBSOLETE #include "frame.h"
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// OBSOLETE #include "inferior.h"
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// OBSOLETE #include "gdbcore.h"
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// OBSOLETE #include "regcache.h"
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// OBSOLETE 
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// OBSOLETE #include <sys/param.h>
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// OBSOLETE #include <sys/dir.h>
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// OBSOLETE #include <sys/user.h>
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// OBSOLETE #include <signal.h>
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// OBSOLETE #include <sys/ioctl.h>
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// OBSOLETE #include <fcntl.h>
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// OBSOLETE 
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// OBSOLETE #include <sys/ptrace.h>
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// OBSOLETE #include <machine/reg.h>
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// OBSOLETE 
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// OBSOLETE #include <sys/file.h>
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// OBSOLETE #include "gdb_stat.h"
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// OBSOLETE #include <sys/core.h>
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// OBSOLETE 
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// OBSOLETE static void fetch_core_registers (char *, unsigned, int, CORE_ADDR);
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// OBSOLETE 
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// OBSOLETE void
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// OBSOLETE fetch_inferior_registers (int regno)
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// OBSOLETE {
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// OBSOLETE   struct regs inferior_registers;
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// OBSOLETE   struct fp_state inferior_fp_registers;
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// OBSOLETE 
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// OBSOLETE   registers_fetched ();
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// OBSOLETE 
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// OBSOLETE   ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),
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// OBSOLETE       (PTRACE_ARG3_TYPE) & inferior_registers);
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// OBSOLETE   ptrace (PTRACE_GETFPREGS, PIDGET (inferior_ptid),
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// OBSOLETE       (PTRACE_ARG3_TYPE) & inferior_fp_registers);
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// OBSOLETE 
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// OBSOLETE   memcpy (registers, &inferior_registers, sizeof inferior_registers);
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// OBSOLETE 
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// OBSOLETE   memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)],
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// OBSOLETE       inferior_fp_registers.f_st,
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// OBSOLETE       sizeof inferior_fp_registers.f_st);
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// OBSOLETE   memcpy (&registers[REGISTER_BYTE (FPC_REGNUM)],
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// OBSOLETE       &inferior_fp_registers.f_ctrl,
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// OBSOLETE       sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
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// OBSOLETE }
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// OBSOLETE 
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// OBSOLETE /* Store our register values back into the inferior.
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// OBSOLETE    If REGNO is -1, do this for all registers.
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// OBSOLETE    Otherwise, REGNO specifies which register (so we can save time).  */
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// OBSOLETE 
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// OBSOLETE void
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// OBSOLETE store_inferior_registers (int regno)
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// OBSOLETE {
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// OBSOLETE   struct regs inferior_registers;
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// OBSOLETE   struct fp_state inferior_fp_registers;
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// OBSOLETE 
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// OBSOLETE   memcpy (&inferior_registers, registers, 20 * 4);
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// OBSOLETE 
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// OBSOLETE   memcpy (inferior_fp_registers.f_st, &registers[REGISTER_BYTE (FP0_REGNUM)],
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// OBSOLETE       sizeof inferior_fp_registers.f_st);
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// OBSOLETE   memcpy (&inferior_fp_registers.f_ctrl,
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// OBSOLETE       &registers[REGISTER_BYTE (FPC_REGNUM)],
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// OBSOLETE       sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
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// OBSOLETE 
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// OBSOLETE #ifdef PTRACE_FP_BUG
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// OBSOLETE   if (regno == FP_REGNUM || regno == -1)
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// OBSOLETE     /* Storing the frame pointer requires a gross hack, in which an
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// OBSOLETE        instruction that moves eax into ebp gets single-stepped.  */
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// OBSOLETE     {
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// OBSOLETE       int stack = inferior_registers.r_reg[SP_REGNUM];
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// OBSOLETE       int stuff = ptrace (PTRACE_PEEKDATA, PIDGET (inferior_ptid),
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// OBSOLETE                       (PTRACE_ARG3_TYPE) stack);
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// OBSOLETE       int reg = inferior_registers.r_reg[EAX];
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// OBSOLETE       inferior_registers.r_reg[EAX] =
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// OBSOLETE     inferior_registers.r_reg[FP_REGNUM];
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// OBSOLETE       ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),
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// OBSOLETE           (PTRACE_ARG3_TYPE) & inferior_registers);
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// OBSOLETE       ptrace (PTRACE_POKEDATA, PIDGET (inferior_ptid),
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// OBSOLETE               (PTRACE_ARG3_TYPE) stack, 0xc589);
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// OBSOLETE       ptrace (PTRACE_SINGLESTEP, PIDGET (inferior_ptid),
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// OBSOLETE               (PTRACE_ARG3_TYPE) stack, 0);
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// OBSOLETE       wait (0);
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// OBSOLETE       ptrace (PTRACE_POKEDATA, PIDGET (inferior_ptid),
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// OBSOLETE               (PTRACE_ARG3_TYPE) stack, stuff);
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// OBSOLETE       inferior_registers.r_reg[EAX] = reg;
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// OBSOLETE     }
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// OBSOLETE #endif
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// OBSOLETE   ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),
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// OBSOLETE       (PTRACE_ARG3_TYPE) & inferior_registers);
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// OBSOLETE   ptrace (PTRACE_SETFPREGS, PIDGET (inferior_ptid),
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// OBSOLETE       (PTRACE_ARG3_TYPE) & inferior_fp_registers);
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// OBSOLETE }
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// OBSOLETE 
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// OBSOLETE 
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// OBSOLETE 
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// OBSOLETE /* Provide registers to GDB from a core file.
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// OBSOLETE 
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// OBSOLETE    CORE_REG_SECT points to an array of bytes, which were obtained from
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// OBSOLETE    a core file which BFD thinks might contain register contents. 
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// OBSOLETE    CORE_REG_SIZE is its size.
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// OBSOLETE 
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// OBSOLETE    WHICH says which register set corelow suspects this is:
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// OBSOLETE      0 --- the general-purpose register set
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// OBSOLETE      2 --- the floating-point register set
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// OBSOLETE 
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// OBSOLETE    REG_ADDR isn't used.  */
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// OBSOLETE 
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// OBSOLETE static void
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// OBSOLETE fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
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// OBSOLETE                   int which, CORE_ADDR reg_addr)
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// OBSOLETE {
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// OBSOLETE   int val;
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// OBSOLETE 
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// OBSOLETE   switch (which)
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// OBSOLETE     {
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// OBSOLETE     case 0:
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// OBSOLETE     case 1:
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// OBSOLETE       memcpy (registers, core_reg_sect, core_reg_size);
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// OBSOLETE       break;
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// OBSOLETE 
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// OBSOLETE     case 2:
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// OBSOLETE       memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)],
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// OBSOLETE           core_reg_sect,
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// OBSOLETE           core_reg_size);   /* FIXME, probably bogus */
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// OBSOLETE #ifdef FPC_REGNUM
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// OBSOLETE       memcpy (&registers[REGISTER_BYTE (FPC_REGNUM)],
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// OBSOLETE           &corestr.c_fpu.f_fpstatus.f_ctrl,
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// OBSOLETE           sizeof corestr.c_fpu.f_fpstatus -
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// OBSOLETE           sizeof corestr.c_fpu.f_fpstatus.f_st);
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// OBSOLETE #endif
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// OBSOLETE       break;
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// OBSOLETE     }
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// OBSOLETE }
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// OBSOLETE 
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// OBSOLETE 
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// OBSOLETE /* Register that we are able to handle i386mach core file formats.
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// OBSOLETE    FIXME: is this really bfd_target_unknown_flavour? */
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// OBSOLETE 
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// OBSOLETE static struct core_fns i386mach_core_fns =
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// OBSOLETE {
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// OBSOLETE   bfd_target_unknown_flavour,               /* core_flavour */
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// OBSOLETE   default_check_format,                     /* check_format */
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// OBSOLETE   default_core_sniffer,                     /* core_sniffer */
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// OBSOLETE   fetch_core_registers,                     /* core_read_registers */
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// OBSOLETE   NULL                                      /* next */
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// OBSOLETE };
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// OBSOLETE 
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// OBSOLETE void
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// OBSOLETE _initialize_core_i386mach (void)
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// OBSOLETE {
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// OBSOLETE   add_core_fns (&i386mach_core_fns);
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// OBSOLETE }

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