Sun Mar 2 15:16:13 1998 Richard Henderson <rth@cygnus.com>

        * configure.host, configure.tgt: Add sparc-linux.
        * sparc-nat.c: Include <asm/reg.h> not <machine/reg.h> for Linux.
        * config/sparc/*linux*: New files.

6 files changed, 89 insertions, 0 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d6180ac..55eb41c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+Sun Mar  2 15:16:13 1998 Richard Henderson  <rth@cygnus.com>         
+
+        * configure.host, configure.tgt: Add sparc-linux.               
+        * sparc-nat.c: Include <asm/reg.h> not <machine/reg.h> for Linux.
+        * config/sparc/*linux*: New files.                         
+
 Mon Mar  2 12:12:41 1998  Anthony Thompson   (athompso@cambridge.arm.com)
 
 	* arm-tdep.c (gdb_print_insn_arm): Call print_insn_big_arm
diff --git a/gdb/config/sparc/tm-linux.h b/gdb/config/sparc/tm-linux.h
new file mode 100644
index 0000000..2cc708a
--- /dev/null
+++ b/gdb/config/sparc/tm-linux.h
@@ -0,0 +1,29 @@
+/* Macro definitions for GDB for a Sparc running Linux.
+   Copyright 1989, 1992, 1994, 1995, 1998 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.  */
+
+#ifndef TM_SPARCLINUX_H
+#define TM_SPARCLINUX_H
+
+#include "sparc/tm-sparc.h"
+
+#define SIGCONTEXT_PC_OFFSET 12
+
+#include "tm-sysv4.h"
+
+#endif /* TM_SPARCLINUX_H */
diff --git a/gdb/config/sparc/xm-linux.h b/gdb/config/sparc/xm-linux.h
new file mode 100644
index 0000000..7d68b63
--- /dev/null
+++ b/gdb/config/sparc/xm-linux.h
@@ -0,0 +1,48 @@
+/* Macro definitions for running gdb on a Sparc running Linux.
+   Copyright (C) 1989, 1993, 1994, 1995, 1996, 1998
+   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.  */
+
+#ifndef XM_SPARCLINUX_H
+#define XM_SPARCLINUX_H
+
+#include "sparc/xm-sparc.h"
+
+#define HAVE_TERMIOS
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values.  */
+#define KERNEL_U_ADDR 0x0
+
+#define U_REGS_OFFSET 0
+
+#define NEED_POSIX_SETPGID
+
+/* Need R_OK etc, but USG isn't defined.  */
+#include <unistd.h>
+
+/* If you expect to use the mmalloc package to obtain mapped symbol files,
+   for now you have to specify some parameters that determine how gdb places
+   the mappings in it's address space.  See the comments in map_to_address()
+   for details.  This is expected to only be a short term solution.  Yes it
+   is a kludge.
+   FIXME:  Make this more automatic. */
+
+#define MMAP_BASE_ADDRESS      0xE0000000      /* First mapping here */
+#define MMAP_INCREMENT         0x01000000      /* Increment to next mapping */
+
+#endif /* _XM_SPARCLINUX_H */
diff --git a/gdb/configure.host b/gdb/configure.host
index 2414b48..cb67e30 100644
--- a/gdb/configure.host
+++ b/gdb/configure.host
@@ -144,6 +144,7 @@ rs6000-*-lynxos*)	gdb_host=rs6000lynx ;;
 rs6000-*-aix4*)		gdb_host=aix4 ;;
 rs6000-*-*)		gdb_host=rs6000 ;;
 
+sparc-*-linux*)		gdb_host=linux ;;
 sparc-*-lynxos*)	gdb_host=sparclynx ;;
 sparc-*-netbsd*)	gdb_host=nbsd ;;
 sparc-*-solaris2*)	gdb_host=sun4sol2 ;;
diff --git a/gdb/configure.tgt b/gdb/configure.tgt
index 06a228c..ee88be2 100644
--- a/gdb/configure.tgt
+++ b/gdb/configure.tgt
@@ -261,6 +261,7 @@ rs6000-*-*)		gdb_target=rs6000 ;;
 sparc-*-aout*)		gdb_target=sparc-em ;;
 sparc-*-coff*)		gdb_target=sparc-em ;;
 sparc-*-elf*)		gdb_target=sparc-em ;;
+sparc-*-linux*)		gdb_target=linux ;;
 sparc-*-lynxos*)	gdb_target=sparclynx
 		configdirs="${configdirs} gdbserver" ;;
 sparc-*-netbsd*)	gdb_target=nbsd ;;
diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c
index a4fa9e9..3f5f8bf 100644
--- a/gdb/sparc-nat.c
+++ b/gdb/sparc-nat.c
@@ -25,7 +25,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include <signal.h>
 #include <sys/ptrace.h>
 #include <sys/wait.h>
+#ifdef __linux__
+#include <asm/reg.h>
+#else
 #include <machine/reg.h>
+#endif
 #include <sys/user.h>
 
 /* We don't store all registers immediately when requested, since they