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Add support for FreeBSD/Alpha.
* alphabsd-nat.c, config/alpha/fbsd.mh, config/alpha/fbsd.mt, config/alpha/nm-fbsd.h, config/alpha/tm-fbsd.h, config/alpha/xm-fbsd.h: New files.
This commit is contained in:
Mark Kettenis
parent
c0ae4cccdd
commit
448628fe90
@ -1,3 +1,10 @@
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2000-05-31 Mark Kettenis <kettenis@gnu.org>
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Add support for FreeBSD/Alpha.
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* alphabsd-nat.c, config/alpha/fbsd.mh, config/alpha/fbsd.mt,
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config/alpha/nm-fbsd.h, config/alpha/tm-fbsd.h,
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config/alpha/xm-fbsd.h: New files.
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2000-05-31 Pierre Muller <muller@sourceware.cygnus.com>
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* MAINTAINERS: Add myself to "Write After Approval" list.
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187
gdb/alphabsd-nat.c
Normal file
187
gdb/alphabsd-nat.c
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@ -0,0 +1,187 @@
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/* Native-dependent code for Alpha BSD's.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "inferior.h"
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#include <sys/types.h>
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#include <sys/ptrace.h>
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#include <machine/reg.h>
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#ifdef HAVE_SYS_PROCFS_H
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#include <sys/procfs.h>
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#endif
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#ifndef HAVE_GREGSET_T
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typedef struct reg gregset_t;
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#endif
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#ifndef HAVE_FPREGSET_T
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typedef struct fpreg fpregset_t;
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#endif
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#include "gregset.h"
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/* Number of general-purpose registers. */
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#define NUM_GREGS 32
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/* Number of floating point registers. */
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#define NUM_FPREGS 31
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/* Transfering the registers between GDB, inferiors and core files. */
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/* Fill GDB's register array with the genereal-purpose register values
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in *GREGSETP. */
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void
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supply_gregset (gregset_t *gregsetp)
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{
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int i;
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for (i = 0; i < NUM_GREGS; i++)
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{
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if (CANNOT_FETCH_REGISTER (i))
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supply_register (i, NULL);
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else
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supply_register (i, (char *) &gregsetp->r_regs[i]);
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}
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/* The PC travels in the R_ZERO slot. */
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supply_register (PC_REGNUM, (char *) &gregsetp->r_regs[R_ZERO]);
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}
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/* Fill register REGNO (if it is a general-purpose register) in
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*GREGSETPS with the value in GDB's register array. If REGNO is -1,
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do this for all registers. */
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void
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fill_gregset (gregset_t *gregsetp, int regno)
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{
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int i;
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for (i = 0; i < NUM_GREGS; i++)
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if ((regno == -1 || regno == i) && ! CANNOT_STORE_REGISTER (i))
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memcpy (&gregsetp->r_regs[i], ®isters[REGISTER_BYTE (i)],
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REGISTER_RAW_SIZE (i));
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/* The PC travels in the R_ZERO slot. */
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if (regno == -1 || regno == PC_REGNUM)
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memcpy (&gregsetp->r_regs[R_ZERO], ®isters[REGISTER_BYTE (PC_REGNUM)],
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REGISTER_RAW_SIZE (PC_REGNUM));
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}
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/* Fill GDB's register array with the floating-point register values
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in *FPREGSETP. */
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void
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supply_fpregset (fpregset_t *fpregsetp)
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{
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int i;
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for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++)
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{
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if (CANNOT_FETCH_REGISTER (i))
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supply_register (i, NULL);
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else
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supply_register (i, (char *) &fpregsetp->fpr_regs[i]);
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}
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supply_register (FPCR_REGNUM, (char *) &fpregsetp->fpr_cr);
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}
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/* Fill register REGNO (if it is a floating-point register) in
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*FPREGSETP with the value in GDB's register array. If REGNO is -1,
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do this for all registers. */
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void
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fill_fpregset (fpregset_t *fpregsetp, int regno)
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{
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int i;
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for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++)
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if ((regno == -1 || regno == i) && ! CANNOT_STORE_REGISTER (i))
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memcpy (&fpregsetp->fpr_regs[i - FP0_REGNUM],
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®isters[REGISTER_BYTE (i)], REGISTER_RAW_SIZE (i));
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if (regno == -1 || regno == FPCR_REGNUM)
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memcpy (&fpregsetp->fpr_cr, ®isters[REGISTER_BYTE (FPCR_REGNUM)],
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REGISTER_RAW_SIZE (FPCR_REGNUM));
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}
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/* Fetch register REGNO from the inferior. If REGNO is -1, do this
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for all registers (including the floating point registers). */
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void
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fetch_inferior_registers (int regno)
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{
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gregset_t gregs;
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if (ptrace (PT_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &gregs, 0) == -1)
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perror_with_name ("Couldn't get registers");
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supply_gregset (&gregs);
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if (regno == -1 || regno >= FP0_REGNUM)
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{
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fpregset_t fpregs;
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if (ptrace (PT_GETFPREGS, inferior_pid,
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't get floating point status");
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supply_fpregset (&fpregs);
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}
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/* Reset virtual frame pointer. */
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supply_register (FP_REGNUM, NULL);
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}
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/* Store register REGNO back into the inferior. If REGNO is -1, do
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this for all registers (including the floating point registers). */
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void
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store_inferior_registers (int regno)
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{
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gregset_t gregs;
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if (ptrace (PT_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &gregs, 0) == -1)
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perror_with_name ("Couldn't get registers");
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fill_gregset (&gregs, regno);
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if (ptrace (PT_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &gregs, 0) == -1)
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perror_with_name ("Couldn't write registers");
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if (regno == -1 || regno >= FP0_REGNUM)
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{
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fpregset_t fpregs;
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if (ptrace (PT_GETFPREGS, inferior_pid,
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't get floating point status");
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fill_fpregset (&fpregs, regno);
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if (ptrace (PT_SETFPREGS, inferior_pid,
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't write floating point status");
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}
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}
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6
gdb/config/alpha/fbsd.mh
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6
gdb/config/alpha/fbsd.mh
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@ -0,0 +1,6 @@
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# Host: FreeBSD/Alpha
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XDEPFILES= ser-tcp.o
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NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o \
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corelow.o core-regset.o alphabsd-nat.o
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XM_FILE= xm-fbsd.h
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NAT_FILE= nm-fbsd.h
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3
gdb/config/alpha/fbsd.mt
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3
gdb/config/alpha/fbsd.mt
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# Target: FreeBSD/Alpha
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TDEPFILES= alpha-tdep.o
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TM_FILE= tm-fbsd.h
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41
gdb/config/alpha/nm-fbsd.h
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41
gdb/config/alpha/nm-fbsd.h
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@ -0,0 +1,41 @@
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/* Native-dependent definitions for FreeBSD/Alpha.
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Copyright (C) 1986, 87, 89, 92, 96, 2000 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef NM_FBSD_H
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#define NM_FBSD_H
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/* Type of the third argument to the `ptrace' system call. */
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#define PTRACE_ARG3_TYPE caddr_t
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/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */
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#define FETCH_INFERIOR_REGISTERS
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/* We can attach and detach. */
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#define ATTACH_DETACH
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/* Shared library support. */
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#define SVR4_SHARED_LIBS
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#include "solib.h" /* Support for shared libraries. */
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#include "elf/common.h" /* Additional ELF shared library info. */
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#endif /* NM_FBSD_H */
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32
gdb/config/alpha/tm-fbsd.h
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32
gdb/config/alpha/tm-fbsd.h
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@ -0,0 +1,32 @@
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/* Target-dependent definitions for FreeBSD/Alpha.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef TM_FBSD_H
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#define TM_FBSD_H
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#include "alpha/tm-alpha.h"
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/* Number of traps that happen between exec'ing the shell to run an
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inferior, and when we finally get to the inferior code. The
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default is right for FreeBSD. */
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#undef START_INFERIOR_TRAPS_EXPECTED
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#endif /* TM_FBSD_H */
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26
gdb/config/alpha/xm-fbsd.h
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26
gdb/config/alpha/xm-fbsd.h
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@ -0,0 +1,26 @@
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/* Host-dependent definitions for FreeBSD/i386.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef XM_FBSD_H
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#define XM_FBSD_H
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#define HOST_BYTE_ORDER LITTLE_ENDIAN
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#endif /* XM_FBSD_H */
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