Change to_xfer_partial 'len' type to ULONGEST.

Change to_xfer_partial 'len' type to ULONGEST.

This patch changes to_xfer_partial's len's type to ULONGEST, and
adjust its implementations.

gdb:

2014-01-14  Yao Qi  <yao@codesourcery.com>

	* target.h (target_xfer_partial_ftype): Update.
	(struct target_ops) <to_xfer_partial>: Change 'len' type to
	ULONGEST.
	* aix-thread.c (aix_thread_xfer_partial): Change type of
	argument 'len' to ULONGEST.
	* auxv.c (procfs_xfer_auxv): Likewise.
	(ld_so_xfer_auxv): Likewise.
	(memory_xfer_auxv): Likewise.
	* bfd-target.c (target_bfd_xfer_partial): Likewise.
	* bsd-kvm.c (bsd_kvm_xfer_partial): Likewise.
	* bsd-uthread.c (bsd_uthread_xfer_partial): Likewise.
	* corelow.c (core_xfer_partial): Likewise.
	* ctf.c (ctf_xfer_partial): Likewise.
	* darwin-nat.c (darwin_read_write_inferior): Likewise.  Use
	'%u'.
	(darwin_read_dyld_info): Likewise.
	(darwin_xfer_partial): Likewise.
	* exec.c (section_table_xfer_memory_partial): Likewise.
	(exec_xfer_partial): Likewise.
	* exec.h (section_table_xfer_memory_partial): Update
	declaration.
	* gnu-nat.c (gnu_xfer_memory): Likewise.  Call pulongest
	instead of plongest.
	(gnu_xfer_partial): Likewise.
	* ia64-hpux-nat.c (ia64_hpux_xfer_memory): Likewise.
	(ia64_hpux_xfer_solib_got): Likewise.
	(ia64_hpux_xfer_partial): Likewise.
	* ia64-linux-nat.c (ia64_linux_xfer_partial):
	* inf-ptrace.c (inf_ptrace_xfer_partial):
	* inf-ttrace.c (inf_ttrace_xfer_partial):
	* linux-nat.c (linux_xfer_siginfo): Likewise.
	(linux_nat_xfer_partial): Likewise.
	(spu_enumerate_spu_ids, linux_proc_xfer_spu): Likewise.
	(linux_nat_xfer_osdata, linux_xfer_partial): Likewise.
	* monitor.c (monitor_xfer_memory): Likewise.
	(monitor_xfer_partial): Likewise.
	* procfs.c (procfs_xfer_partial): Likewise.
	* record-full.c (record_full_xfer_partial): Likewise.
	(record_full_core_xfer_partial): Likewise.
	* remote-sim.c (gdbsim_xfer_memory): Likewise.  Call pulongest
	instead of plongest.
	(gdbsim_xfer_partial): Likewise.
	* remote.c (remote_xfer_partial): Likewise.
	* rs6000-aix-tdep.c (rs6000_aix_ld_info_to_xml): Likewise.
	* rs6000-aix-tdep.h (rs6000_aix_ld_info_to_xml): Update
	declaration.
	* rs6000-nat.c (rs6000_xfer_partial): Likewise.
	(rs6000_xfer_shared_libraries): Likewise.
	* sol-thread.c (sol_thread_xfer_partial): Likewise.
	* sparc-nat.c (sparc_xfer_wcookie): Likewise.
	(sparc_xfer_partial): Likewise.
	* spu-linux-nat.c (spu_proc_xfer_spu): Likewise.
	(spu_xfer_partial): Likewise.
	* spu-multiarch.c (spu_xfer_partial): Likewise.
	* target.c (target_read_live_memory): Likewise.
	(memory_xfer_live_readonly_partial): Likewise.
	(memory_xfer_partial, memory_xfer_partial_1): Likewise.
	(target_xfer_partial, default_xfer_partial): Likewise.
	(current_xfer_partial): Likewise.
	* tracepoint.c (tfile_xfer_partial): Likewise.
	* windows-nat.c (windows_xfer_memory): Likewise.  Call
	pulongest instead of plongest.
	(windows_xfer_partial): Likewise.
	(windows_xfer_shared_libraries): Likewise.