x86_64 support for GDB.

As mentioned in one of the previous commits, breakpoints don't work
properly yet, and I haven't done much extensive testing yet, but the
basic functionality works.

build/jam/Haiku64Image

@@ -23,14 +23,14 @@ SYSTEM_BIN = "[" addattr base64 basename bash beep cal cat catattr chgrp chmod
 	chown chroot cksum clear clockconfig cmp collectcatkeys comm compress
 	copyattr cp csplit cut date dd diff diff3 dircolors dirname df du
 	dumpcatalog echo eject env error expand expr factor false find finddir
-	fmt fold fortune gawk gzip gzexe getlimits groups head hostname id
+	fmt fold fortune gawk gdb gzip gzexe getlimits groups head hostname id
 	<bin>install isvolume join kernel_debugger kill less lessecho lesskey link
 	linkcatkeys listdev ln locale locate logger logname ls md5sum mkdir mkfifo
 	mktemp mount mountvolume mv nl nohup nproc od paste patch pathchk pr
 	printenv printf ps ptx pwd readlink rm rmattr rmdir safemode sdiff seq
-	sha1sum shred shuf sleep sort split stat stty su sum sync sysinfo tac tail
-	tee test timeout touch tr true truncate tsort tty unexpand uname uniq
-	unlink unmount unzip <bin>updatedb waitfor wc whoami xargs xres yes
+	sha1sum shred shuf sleep sort split stat strace stty su sum sync sysinfo
+	tac tail tee test timeout touch tr true truncate tsort tty unexpand uname
+	uniq unlink unmount unzip <bin>updatedb waitfor wc whoami xargs xres yes
 	zdiff zforce zgrep zip zipcloak <bin>zipgrep zipnote zipsplit zmore znew
 ;
 
@@ -40,7 +40,7 @@ SYSTEM_PREFERENCES = ;
 
 SYSTEM_DEMOS = ;
 
-SYSTEM_LIBS = libbe.so libbnetapi.so libnetwork.so
+SYSTEM_LIBS = libbe.so libbnetapi.so libdebug.so libnetwork.so
 	libroot.so libroot-addon-icu.so
 	libtextencoding.so libtracker.so libtranslation.so
 	$(HAIKU_SHARED_LIBSTDC++) $(HAIKU_SHARED_LIBSUPC++)