Support NetBSD/powerpc.

gnu/dist/gdb/config/powerpc/nm-nbsd.h

@@ -19,7 +19,7 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /* Need to define this before including the common nm-nbsd.h. */
-#define SVR4_SHARED_LIBS
+#define SVR4_SHARED_LIBS 1
 
 /* Get generic NetBSD native definitions. */
 #include "nm-nbsd.h"

gnu/dist/gdb/ppcnbsd-nat.c

@@ -0,0 +1,140 @@
+/* NetBSD/powerpc native-dependent code for GDB, the GNU debugger.
+   Copyright 1986, 1987, 1989, 1991, 1992, 1994, 1995, 1996, 1997
+	     Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "defs.h"
+#include "inferior.h"
+#include "target.h"
+#include "gdbcore.h"
+#include <sys/param.h>
+#include <sys/ptrace.h>
+#include <machine/frame.h>
+#include <machine/reg.h>
+#include <machine/pcb.h>
+
+static void
+fetch_core_registers PARAMS ((char *, unsigned int, int, CORE_ADDR));
+
+void
+fetch_inferior_registers (regno)
+  int regno;
+{
+  struct reg infreg;
+
+  /* Integer registers */
+  ptrace(PT_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &infreg, 0);
+
+  memcpy(&registers[REGISTER_BYTE (GP0_REGNUM)], infreg.fixreg,
+	 sizeof(infreg.fixreg));
+  *(long *) &registers[REGISTER_BYTE (PC_REGNUM)] = infreg.pc;
+  *(long *) &registers[REGISTER_BYTE (PS_REGNUM)] = 0;		/* XXX */
+  *(long *) &registers[REGISTER_BYTE (CR_REGNUM)] = infreg.cr;
+  *(long *) &registers[REGISTER_BYTE (LR_REGNUM)] = infreg.lr;
+  *(long *) &registers[REGISTER_BYTE (CTR_REGNUM)] = infreg.ctr;
+  *(long *) &registers[REGISTER_BYTE (XER_REGNUM)] = infreg.xer;
+  *(long *) &registers[REGISTER_BYTE (MQ_REGNUM)] = 0;
+
+  /* Floating point registers */
+  memset(&registers[REGISTER_BYTE (FP0_REGNUM)], 0, 8*32);
+
+  registers_fetched ();
+}
+
+void
+store_inferior_registers (regno)
+     int regno;
+{
+  struct reg infreg;
+
+  /* Integer registers */
+  memcpy(infreg.fixreg, &registers[REGISTER_BYTE (GP0_REGNUM)],
+	 sizeof(infreg.fixreg));
+  infreg.pc = *(long *) &registers[REGISTER_BYTE (PC_REGNUM)];
+  infreg.cr = *(long *) &registers[REGISTER_BYTE (CR_REGNUM)];
+  infreg.lr = *(long *) &registers[REGISTER_BYTE (LR_REGNUM)];
+  infreg.ctr = *(long *) &registers[REGISTER_BYTE (CTR_REGNUM)];
+  infreg.xer = *(long *) &registers[REGISTER_BYTE (XER_REGNUM)];
+
+  ptrace(PT_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &infreg, 0);
+
+  /* Floating point registers */
+  /* XXX not yet */
+
+  registers_fetched ();
+}
+
+static void
+fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
+     char *core_reg_sect;
+     unsigned core_reg_size;
+     int which;
+     CORE_ADDR reg_addr;	/* Unused in this version */
+{
+  struct md_coredump *core_reg;
+  struct trapframe *tf;
+  struct fpreg *fs;
+  register int regnum;
+
+  /* We get everything from the .reg section. */
+  if (which != 0)
+    return;
+
+  core_reg = (struct md_coredump *)core_reg_sect;
+  tf = &core_reg->frame;
+#if 0
+  fs = &core_reg->md_fpstate;
+#endif
+
+  if (core_reg_size < sizeof(*core_reg)) {
+    fprintf_unfiltered (gdb_stderr, "Couldn't read regs from core file\n");
+    return;
+  }
+
+  /* Integer registers */
+  for (regnum = 0; regnum < 32; regnum++)
+    *(long *) &registers[REGISTER_BYTE (regnum)] = tf->fixreg[regnum];
+
+#if 0
+  /* Floating point registers */
+  memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)],
+	  &fs->fpr_regs[0], sizeof(fs->fpr_regs));
+#endif
+
+  /* Special registers (PC, LR) */
+  *(long *) &registers[REGISTER_BYTE (PC_REGNUM)] = tf->srr0;
+  *(long *) &registers[REGISTER_BYTE (LR_REGNUM)] = tf->lr;
+
+  registers_fetched ();
+}
+
+
+/* Register that we are able to handle rs6000 core file formats. */
+
+static struct core_fns ppcnbsd_core_fns =
+{
+  bfd_target_elf_flavour,
+  fetch_core_registers,
+  NULL
+};
+
+void
+_initialize_core_ppcnbsd ()
+{
+  add_core_fns (&ppcnbsd_core_fns);
+}

gnu/usr.bin/gdb/Makefile

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.31 1999/04/04 19:02:31 eeh Exp $
+#	$NetBSD: Makefile,v 1.32 1999/05/03 10:27:23 tsubai Exp $
 
 # for OBJECT_FMT
 .include <bsd.own.mk>
@@ -79,7 +79,7 @@ TDEPFILES.mipsel=	mips-tdep.c
 NATDEPFILES.ns32k=	ns32knbsd-nat.c
 TDEPFILES.ns32k=	ns32k-tdep.c
 
-NATDEPFILES.powerpc=	rs6000-nat.c
+NATDEPFILES.powerpc=	ppcnbsd-nat.c
 TDEPFILES.powerpc=	rs6000-tdep.c
 
 NATDEPFILES.sparc=	sparcnbsd-nat.c