291 lines
12 KiB
C
291 lines
12 KiB
C
// OBSOLETE /* Native-dependent Motorola 88xxx support for GDB, the GNU Debugger.
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// OBSOLETE Copyright 1988, 1990, 1991, 1992, 1993, 1995, 1999, 2000, 2001
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// OBSOLETE 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 "regcache.h"
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// OBSOLETE
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// OBSOLETE #include <sys/types.h>
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// OBSOLETE #include <sys/param.h>
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// OBSOLETE #include <sys/dir.h>
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// OBSOLETE #include <signal.h>
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// OBSOLETE #include "gdbcore.h"
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// OBSOLETE #include <sys/user.h>
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// OBSOLETE
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// OBSOLETE #ifndef USER /* added to support BCS ptrace_user */
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// OBSOLETE #define USER ptrace_user
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// OBSOLETE #endif
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// OBSOLETE #include <sys/ioctl.h>
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// OBSOLETE #include <fcntl.h>
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// OBSOLETE #include <sys/file.h>
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// OBSOLETE #include "gdb_stat.h"
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// OBSOLETE
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// OBSOLETE #include "symtab.h"
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// OBSOLETE #include "setjmp.h"
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// OBSOLETE #include "value.h"
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// OBSOLETE
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// OBSOLETE #ifdef DELTA88
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// OBSOLETE #include <sys/ptrace.h>
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// OBSOLETE
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// OBSOLETE /* define offsets to the pc instruction offsets in ptrace_user struct */
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// OBSOLETE #define SXIP_OFFSET ((char *)&u.pt_sigframe.sig_sxip - (char *)&u)
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// OBSOLETE #define SNIP_OFFSET ((char *)&u.pt_sigframe.sig_snip - (char *)&u)
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// OBSOLETE #define SFIP_OFFSET ((char *)&u.pt_sigframe.sig_sfip - (char *)&u)
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// OBSOLETE #else
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// OBSOLETE /* define offsets to the pc instruction offsets in ptrace_user struct */
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// OBSOLETE #define SXIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sxip - (char *)&u)
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// OBSOLETE #define SNIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_snip - (char *)&u)
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// OBSOLETE #define SFIP_OFFSET ((char *)&u.pt_sigframe.dg_sigframe.sc_sfip - (char *)&u)
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// OBSOLETE #endif
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// OBSOLETE
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// OBSOLETE extern int have_symbol_file_p ();
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// OBSOLETE
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// OBSOLETE extern jmp_buf stack_jmp;
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// OBSOLETE
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// OBSOLETE extern int errno;
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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 register unsigned int regaddr;
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// OBSOLETE char buf[MAX_REGISTER_RAW_SIZE];
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// OBSOLETE register int i;
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// OBSOLETE
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// OBSOLETE struct USER u;
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// OBSOLETE unsigned int offset;
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// OBSOLETE
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// OBSOLETE offset = (char *) &u.pt_r0 - (char *) &u;
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// OBSOLETE regaddr = offset; /* byte offset to r0; */
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// OBSOLETE
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// OBSOLETE /* offset = ptrace (3, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) offset, 0) - KERNEL_U_ADDR; */
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// OBSOLETE for (regno = 0; regno < NUM_REGS; regno++)
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// OBSOLETE {
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// OBSOLETE /*regaddr = register_addr (regno, offset); */
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// OBSOLETE /* 88k enhancement */
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// OBSOLETE
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// OBSOLETE for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
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// OBSOLETE {
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// OBSOLETE *(int *) &buf[i] = ptrace (3, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) regaddr, 0);
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// OBSOLETE regaddr += sizeof (int);
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// OBSOLETE }
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// OBSOLETE supply_register (regno, buf);
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// OBSOLETE }
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// OBSOLETE /* now load up registers 36 - 38; special pc registers */
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// OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, 0);
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// OBSOLETE supply_register (SXIP_REGNUM, buf);
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// OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, 0);
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// OBSOLETE supply_register (SNIP_REGNUM, buf);
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// OBSOLETE *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, 0);
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// OBSOLETE supply_register (SFIP_REGNUM, buf);
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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 register unsigned int regaddr;
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// OBSOLETE char buf[80];
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// OBSOLETE
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// OBSOLETE struct USER u;
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// OBSOLETE
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// OBSOLETE unsigned int offset = (char *) &u.pt_r0 - (char *) &u;
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// OBSOLETE
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// OBSOLETE regaddr = offset;
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// OBSOLETE
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// OBSOLETE /* Don't try to deal with EXIP_REGNUM or ENIP_REGNUM, because I think either
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// OBSOLETE svr3 doesn't run on an 88110, or the kernel isolates the different (not
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// OBSOLETE completely sure this is true, but seems to be. */
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// OBSOLETE if (regno >= 0)
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// OBSOLETE {
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// OBSOLETE /* regaddr = register_addr (regno, offset); */
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// OBSOLETE if (regno < PC_REGNUM)
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// OBSOLETE {
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// OBSOLETE regaddr = offset + regno * sizeof (int);
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// OBSOLETE errno = 0;
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// OBSOLETE ptrace (6, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
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// OBSOLETE if (errno != 0)
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// OBSOLETE {
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// OBSOLETE sprintf (buf, "writing register number %d", regno);
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// OBSOLETE perror_with_name (buf);
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// OBSOLETE }
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// OBSOLETE }
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// OBSOLETE else if (regno == SXIP_REGNUM)
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// OBSOLETE ptrace (6, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (regno));
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// OBSOLETE else if (regno == SNIP_REGNUM)
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// OBSOLETE ptrace (6, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (regno));
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// OBSOLETE else if (regno == SFIP_REGNUM)
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// OBSOLETE ptrace (6, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (regno));
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// OBSOLETE else
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// OBSOLETE printf_unfiltered ("Bad register number for store_inferior routine\n");
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// OBSOLETE }
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// OBSOLETE else
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// OBSOLETE {
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// OBSOLETE for (regno = 0; regno < PC_REGNUM; regno++)
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// OBSOLETE {
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// OBSOLETE /* regaddr = register_addr (regno, offset); */
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// OBSOLETE errno = 0;
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// OBSOLETE regaddr = offset + regno * sizeof (int);
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// OBSOLETE ptrace (6, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
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// OBSOLETE if (errno != 0)
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// OBSOLETE {
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// OBSOLETE sprintf (buf, "writing register number %d", regno);
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// OBSOLETE perror_with_name (buf);
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// OBSOLETE }
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// OBSOLETE }
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// OBSOLETE ptrace (6, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (SXIP_REGNUM));
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// OBSOLETE ptrace (6, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (SNIP_REGNUM));
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// OBSOLETE ptrace (6, PIDGET (inferior_ptid),
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// OBSOLETE (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (SFIP_REGNUM));
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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 /* blockend is the address of the end of the user structure */
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// OBSOLETE m88k_register_u_addr (int blockend, int regnum)
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// OBSOLETE {
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// OBSOLETE struct USER u;
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// OBSOLETE int ustart = blockend - sizeof (struct USER);
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// OBSOLETE switch (regnum)
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// OBSOLETE {
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// OBSOLETE case 0:
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// OBSOLETE case 1:
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// OBSOLETE case 2:
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// OBSOLETE case 3:
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// OBSOLETE case 4:
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// OBSOLETE case 5:
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// OBSOLETE case 6:
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// OBSOLETE case 7:
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// OBSOLETE case 8:
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// OBSOLETE case 9:
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// OBSOLETE case 10:
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// OBSOLETE case 11:
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// OBSOLETE case 12:
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// OBSOLETE case 13:
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// OBSOLETE case 14:
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// OBSOLETE case 15:
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// OBSOLETE case 16:
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// OBSOLETE case 17:
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// OBSOLETE case 18:
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// OBSOLETE case 19:
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// OBSOLETE case 20:
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// OBSOLETE case 21:
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// OBSOLETE case 22:
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// OBSOLETE case 23:
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// OBSOLETE case 24:
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// OBSOLETE case 25:
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// OBSOLETE case 26:
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// OBSOLETE case 27:
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// OBSOLETE case 28:
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// OBSOLETE case 29:
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// OBSOLETE case 30:
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// OBSOLETE case 31:
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// OBSOLETE return (ustart + ((int) &u.pt_r0 - (int) &u) + REGISTER_SIZE * regnum);
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// OBSOLETE case PSR_REGNUM:
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// OBSOLETE return (ustart + ((int) &u.pt_psr - (int) &u));
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// OBSOLETE case FPSR_REGNUM:
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// OBSOLETE return (ustart + ((int) &u.pt_fpsr - (int) &u));
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// OBSOLETE case FPCR_REGNUM:
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// OBSOLETE return (ustart + ((int) &u.pt_fpcr - (int) &u));
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// OBSOLETE case SXIP_REGNUM:
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// OBSOLETE return (ustart + SXIP_OFFSET);
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// OBSOLETE case SNIP_REGNUM:
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// OBSOLETE return (ustart + SNIP_OFFSET);
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// OBSOLETE case SFIP_REGNUM:
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// OBSOLETE return (ustart + SFIP_OFFSET);
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// OBSOLETE default:
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// OBSOLETE if (regnum < NUM_REGS)
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// OBSOLETE /* The register is one of those which is not defined...
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// OBSOLETE give it zero */
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// OBSOLETE return (ustart + ((int) &u.pt_r0 - (int) &u));
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// OBSOLETE else
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// OBSOLETE return (blockend + REGISTER_SIZE * regnum);
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// OBSOLETE }
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// OBSOLETE }
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// OBSOLETE
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// OBSOLETE #ifdef USE_PROC_FS
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// OBSOLETE
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// OBSOLETE #include <sys/procfs.h>
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// OBSOLETE
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// OBSOLETE /* Prototypes for supply_gregset etc. */
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// OBSOLETE #include "gregset.h"
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// OBSOLETE
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// OBSOLETE /* Given a pointer to a general register set in /proc format (gregset_t *),
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// OBSOLETE unpack the register contents and supply them as gdb's idea of the current
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// OBSOLETE register values. */
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// OBSOLETE
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// OBSOLETE void
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// OBSOLETE supply_gregset (gregset_t *gregsetp)
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// OBSOLETE {
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// OBSOLETE register int regi;
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// OBSOLETE register greg_t *regp = (greg_t *) gregsetp;
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// OBSOLETE
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// OBSOLETE for (regi = 0; regi <= SP_REGNUM; regi++)
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// OBSOLETE supply_register (regi, (char *) (regp + regi));
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// OBSOLETE
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// OBSOLETE supply_register (SXIP_REGNUM, (char *) (regp + R_XIP));
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// OBSOLETE supply_register (SNIP_REGNUM, (char *) (regp + R_NIP));
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// OBSOLETE supply_register (SFIP_REGNUM, (char *) (regp + R_FIP));
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// OBSOLETE supply_register (PSR_REGNUM, (char *) (regp + R_PSR));
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// OBSOLETE supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR));
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// OBSOLETE supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR));
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// OBSOLETE }
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// OBSOLETE
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// OBSOLETE void
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// OBSOLETE fill_gregset (gregset_t *gregsetp, int regno)
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// OBSOLETE {
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// OBSOLETE int regi;
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// OBSOLETE register greg_t *regp = (greg_t *) gregsetp;
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// OBSOLETE
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// OBSOLETE for (regi = 0; regi <= R_R31; regi++)
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// OBSOLETE if ((regno == -1) || (regno == regi))
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// OBSOLETE *(regp + regi) = *(int *) ®isters[REGISTER_BYTE (regi)];
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// OBSOLETE
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// OBSOLETE if ((regno == -1) || (regno == SXIP_REGNUM))
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// OBSOLETE *(regp + R_XIP) = *(int *) ®isters[REGISTER_BYTE (SXIP_REGNUM)];
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// OBSOLETE if ((regno == -1) || (regno == SNIP_REGNUM))
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// OBSOLETE *(regp + R_NIP) = *(int *) ®isters[REGISTER_BYTE (SNIP_REGNUM)];
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// OBSOLETE if ((regno == -1) || (regno == SFIP_REGNUM))
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// OBSOLETE *(regp + R_FIP) = *(int *) ®isters[REGISTER_BYTE (SFIP_REGNUM)];
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// OBSOLETE if ((regno == -1) || (regno == PSR_REGNUM))
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// OBSOLETE *(regp + R_PSR) = *(int *) ®isters[REGISTER_BYTE (PSR_REGNUM)];
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// OBSOLETE if ((regno == -1) || (regno == FPSR_REGNUM))
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// OBSOLETE *(regp + R_FPSR) = *(int *) ®isters[REGISTER_BYTE (FPSR_REGNUM)];
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// OBSOLETE if ((regno == -1) || (regno == FPCR_REGNUM))
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// OBSOLETE *(regp + R_FPCR) = *(int *) ®isters[REGISTER_BYTE (FPCR_REGNUM)];
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// OBSOLETE }
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// OBSOLETE
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// OBSOLETE #endif /* USE_PROC_FS */
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