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