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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 (®isters[REGISTER_BYTE (FP0_REGNUM)],
// OBSOLETE inferior_fp_registers.f_st,
// OBSOLETE sizeof inferior_fp_registers.f_st);
// OBSOLETE memcpy (®isters[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, ®isters[REGISTER_BYTE (FP0_REGNUM)],
// OBSOLETE sizeof inferior_fp_registers.f_st);
// OBSOLETE memcpy (&inferior_fp_registers.f_ctrl,
// OBSOLETE ®isters[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 (®isters[REGISTER_BYTE (FP0_REGNUM)],
// OBSOLETE core_reg_sect,
// OBSOLETE core_reg_size); /* FIXME, probably bogus */
// OBSOLETE #ifdef FPC_REGNUM
// OBSOLETE memcpy (®isters[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 }
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