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* vaxbsd-nat.c: Tweak comment. * Makefile.in (ALLDEPFILES): Add vax-nat.c, vaxbsd-nat.c and vaxnbsd-tdep.c. (vax-nat.o): New dependency. * configure.host (vax-*-bsd*, vax-*-ultrix*): Set gdb_host to vax. (vax-*-ultrix2*): Remove. * config/vax/vax.mh: New file. * config/vax/nm-vax.h (vax_kernel_u_addr): New extern declaration. (KERNEL_U_ADDR): Define as vax_kernel_u_addr. (vax_register_u_addr): New prototype. (REGISTER_U_ADDR): Define using vax_register_u_addr. * config/vax/vaxult2.mh: Remove file. * config/vax/vaxult.mh: Remove file. * config/vax/vaxbsd.mh: Remove file. * config/vax/vax.mt (TM_FILE): Remove. * config/vax/tm-vaxbsd.h: Remove file.jimb-rda-nptl-branch
Mark Kettenis
22 years ago
11 changed files with 146 additions and 75 deletions
@ -1,36 +0,0 @@ |
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/* Definitions to make GDB run on a vax under 4.2bsd.
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Copyright 1986, 1987, 1989, 1991, 1993, 1994, 1996, 1998, 1999, |
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2000, 2002, 2004 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_VAXBSD_H |
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#define TM_VAXBSD_H |
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#define TARGET_UPAGES 14 |
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#define TARGET_NBPG 512 |
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#define STACK_END_ADDR (0x80000000 - (TARGET_UPAGES * TARGET_NBPG)) |
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/* On the VAX, sigtramp is in the u area. Can't check the exact
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addresses because for cross-debugging we don't have VAX include |
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files around. This should be close enough. */ |
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#define DEPRECATED_IN_SIGTRAMP(PC,FUNC_NAME) \ |
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((PC) >= (STACK_END_ADDR) && (PC) < (0x80000000)) |
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#endif /* TM_VAXBSD_H */ |
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@ -1,4 +1,3 @@ |
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# Host: DEC VAX running Ultrix |
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NAT_FILE= nm-vax.h |
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# Host: VAX running 4.2BSD or Ultrix |
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NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o |
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NAT_FILE= nm-vax.h |
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# Host: DEC VAX running BSD |
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# The following types of /bin/cc failures have been observed: |
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# 1. Something in readline.c which I have never seen |
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# 2. ``"values.c", line 816: compiler error: schain botch'' |
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#msg /bin/cc has been known to fail on VAXen running BSD4.3 |
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#msg If this occurs, use gcc |
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#msg (but see comments in Makefile.dist about compiling with gcc). |
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NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o |
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NAT_FILE= nm-vax.h |
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# Host: DEC VAX running Ultrix |
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NAT_FILE= nm-vax.h |
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NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o core-aout.o |
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@ -0,0 +1,106 @@ |
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/* Native-dependent code for VAX UNIXen (including older BSD's).
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Copyright 2004 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 "gdb_assert.h" |
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#include <sys/types.h> |
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#include <sys/dir.h> |
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#include <sys/user.h> |
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#ifdef HAVE_SYS_PTRACE_H |
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#include <sys/ptrace.h> |
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#endif |
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#ifndef PT_READ_U |
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#define PT_READ_U 3 |
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#endif |
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#ifdef SYS_REG_H |
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/* UNIX 32V and derivatives (including 3BSD). */ |
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#include <sys/reg.h> |
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#else |
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/* 4.2BSD and derivatives. */ |
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#include <machine/reg.h> |
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#endif |
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#include "vax-tdep.h" |
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/* Address of the user structure. This is the the value for 32V; 3BSD
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uses a different value, but hey, who's still using those systems? */ |
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CORE_ADDR vax_kernel_u_addr = 0x80020000; |
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/* Location of the user's stored registers; usage is `u.u_ar0[XX]'.
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For 4.2BSD and ULTRIX these are negative! See <machine/reg.h>. */ |
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static int vax_register_index[] = |
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{ |
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R0, R1, R2, R3, R4, R5, |
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R6, R7, R8, R9, R10, R11, |
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AP, FP, SP, PC, PS |
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}; |
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CORE_ADDR |
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vax_register_u_addr (CORE_ADDR u_ar0, int regnum) |
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{ |
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gdb_assert (regnum >= 0 && regnum < ARRAY_SIZE (vax_register_index)); |
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/* Type is `int *u_ar0'. See <sys/user.h>. */ |
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return u_ar0 + vax_register_index[regnum - VAX_R0_REGNUM] * 4; |
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} |
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CORE_ADDR |
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vax_register_u_offset (int regnum) |
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{ |
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size_t u_ar0_offset = offsetof (struct user, u_ar0); |
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CORE_ADDR u_ar0; |
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int pid; |
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errno = 0; |
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pid = PIDGET (inferior_ptid); |
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u_ar0 = ptrace (PT_READ_U, pid, u_ar0_offset, 0); |
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if (errno) |
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perror_with_name ("Unable to determine location of registers"); |
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return vax_register_u_addr (u_ar0, regnum) - vax_kernel_u_addr; |
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} |
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#include <nlist.h> |
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#ifndef _PATH_UNIX |
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#define _PATH_UNIX "/vmunix" |
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#endif |
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/* Provide a prototype to silence -Wmissing-prototypes. */ |
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void _initialize_vax_nat (void); |
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void |
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_initialize_vax_nat (void) |
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{ |
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struct nlist names[2]; |
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names[0].n_name = "_u"; |
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names[1].n_name = NULL; |
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if (nlist (_PATH_UNIX, names) == 0) |
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vax_kernel_u_addr = names[0].n_value; |
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} |
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