[gdbserver] Just enough to compile

gdb/gdbserver/Makefile.in

@@ -180,6 +180,7 @@ SFILES=	$(srcdir)/gdbreplay.c $(srcdir)/inferiors.c $(srcdir)/dll.c \
 	$(srcdir)/common/common-debug.c $(srcdir)/common/cleanups.c \
 	$(srcdir)/common/common-exceptions.c $(srcdir)/symbol.c \
 	$(srcdir)/common/btrace-common.c \
+	$(srcdir)/common/common-infinity.c $(srcdir)/infinity.c \
 	$(srcdir)/common/fileio.c $(srcdir)/nat/linux-namespaces.c
 
 DEPFILES = @GDBSERVER_DEPFILES@
@@ -194,6 +195,7 @@ OBS = agent.o ax.o inferiors.o regcache.o remote-utils.o server.o signals.o \
       mem-break.o hostio.o event-loop.o tracepoint.o xml-utils.o \
       common-utils.o ptid.o buffer.o format.o filestuff.o dll.o notif.o \
       tdesc.o print-utils.o rsp-low.o errors.o common-debug.o cleanups.o \
+      common-infinity.o infinity.o \
       common-exceptions.o symbol.o btrace-common.o fileio.o \
       $(XML_BUILTIN) $(DEPFILES) $(LIBOBJS)
 GDBREPLAY_OBS = gdbreplay.o version.o
@@ -624,6 +626,9 @@ x86-linux-dregs.o: ../nat/x86-linux-dregs.c
 linux-namespaces.o: ../nat/linux-namespaces.c
 	$(COMPILE) $<
 	$(POSTCOMPILE)
+common-infinity.o: ../common/common-infinity.c
+	$(COMPILE) $<
+	$(POSTCOMPILE)
 
 aarch64.c : $(srcdir)/../regformats/aarch64.dat $(regdat_sh)
 	$(SHELL) $(regdat_sh) $(srcdir)/../regformats/aarch64.dat aarch64.c

gdb/gdbserver/infinity.c

@@ -0,0 +1,29 @@
+/* XXX To infinity... and beyond!
+
+   Copyright (C) 2015 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 3 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, see <http://www.gnu.org/licenses/>.  */
+
+#include "server.h"
+#include "common-infinity.h"
+
+/* See infinity-common.h.  */
+
+ULONGEST
+i8_extract_uint (const gdb_byte *addr, int size)
+{
+  error ("%s:%d: unimplemented", __FILE__, __LINE__);
+}