* arm/linux-syscalls0.S (ftruncate, getegid, geteuid, getgid, getgroups, getpgid, getpgrp, getuid, lchown, pause, pipe, setpgid, setgid, setsid, setuid, sigprocmask, sync, uname): New system call.
* arm/linux-syscalls0.S (reboot): Remove. * arm/linux-syscalls1.c (reboot): New function.
* arm/Makefile.in: Add Linux syscall interface. * arm/linux-crt0.S: New file. * arm/linux-syscall.h: New file. * arm/linux-syscalls0.S: New file. * arm/linux-syscalls1.c: New file.