* corelow.c (core_pid_to_str): Default to using normal_pid_to_str

	* corelow.c (core_pid_to_str): Default to using normal_pid_to_str
	instead of printing "Thread" here.
	* linux-tdep.c: Include inferior.h.
	(linux_core_pid_to_str): New.
	(linux_init_abi): New.
	* linux-tdep.h (linux_init_abi): Declare.
	* alpha-linux-tdep.c: Include linux-tdep.h.
	(alpha_linux_init_abi): Call linux_init_abi.
	* amd64-linux-tdep.c (amd64_linux_init_abi): Call linux_init_abi.
	* arm-linux-tdep.c (arm_linux_init_abi): Call linux_init_abi.
	* frv-linux-tdep.c: Include linux-tdep.h
	(frv_linux_init_abi): Call linux_init_abi.
	* hppa-linux-tdep.c: Include linux-tdep.h
	(hppa_linux_init_abi): Call linux_init_abi.
	* i386-linux-tdep.c (i386_linux_init_abi): Call linux_init_abi.
	* ia64-linux-tdep.c: Include linux-tdep.h.
	(ia64_linux_init_abi): Call linux_init_abi.
	* m32r-linux-tdep.c: Include linux-tdep.h.
	(m32r_linux_init_abi): Call linux_init_abi.
	* m68klinux-tdep.c: Include linux-tdep.h.
	(m68k_linux_init_abi): Call linux_init_abi.
	* microblaze-linux-tdep.c: Include linux-tdep.h.
	(microblaze_linux_init_abi): Call linux_init_abi.
	* mips-linux-tdep.c: Include linux-tdep.h.
	(mips_linux_init_abi): Call linux_init_abi.
	* mn10300-linux-tdep.c: Include linux-tdep.h.
	(am33_linux_init_osabi): Call linux_init_abi.  Rename the
	'gdbinfo' parameter to 'info'.
	* ppc-linux-tdep.c: Include linux-tdep.h.
	(ppc_linux_init_abi): Call linux_init_abi.
	* sh-linux-tdep.c: Include linux-tdep.h.
	(sh_linux_init_abi): Call linux_init_abi.
	* sparc-linux-tdep.c: Include linux-tdep.h.
	(sparc32_linux_init_abi): Call linux_init_abi.
	* sparc64-linux-tdep.c: Include linux-tdep.h.
	(sparc64_linux_init_abi): Call linux_init_abi.
	* xtensa-linux-tdep.c: Include linux-tdep.h.
	(xtensa_linux_init_abi): Call linux_init_abi.
	* i386-cygwin-tdep.c (i386_windows_core_pid_to_str): New.
	(i386_cygwin_init_abi): Install it as gdbarch_core_pid_to_str
	callback.