ChangeLog entry:
2017-01-04  Ivo Raisr  <ivo.raisr@oracle.com>

	PR tdep/20936
	Provide and use sparc32 and sparc64 target description XML files.
	* feature/sparc/sparc32-cp0.xml, feature/sparc/sparc32-cpu.xml,
	feature/sparc/sparc32-fpu.xml: New files for sparc 32-bit.
	* feature/sparc/sparc64-cp0.xml, feature/sparc/sparc64-cpu.xml,
	feature/sparc/sparc64-fpu.xml: New files for sparc 64-bit.
	* sparc32-solaris.xml, sparc64-solaris.xml: New files for sparc32
	and sparc64 on Solaris.
	* sparc-solaris.c, sparc64-solaris.c: Generated.
	* sparc-tdep.h: Deal with sparc32 and sparc64 differences
	in target descriptions. Separate real and pseudo registers.
	* sparc64-tdep.h: Separate real and pseudo registers.
	* sparc-tdep.c (sparc32_pseudo_register_name): New function returning
	pseudo register names on sparc 32-bit.
	(sparc32_register_name): Account for register names provided by the
	target description.
	(sparc32_pseudo_register_type): New function returning pseudo register
	types on sparc 32-bit.
	(sparc32_register_type): Account for register types provided by the
	target description.
	(sparc32_pseudo_register_read, sparc32_pseudo_register_write): Pseudo
	registers may have different numbers based on the target description.
	(validate_tdesc_registers): Validate registers provided by the target
	description.
	(sparc32_gdbarch_init): Use new functions sparc32_pseudo_register_name
	and sparc32_pseudo_register_type. Validate and use registers provided
	by the target description.
	* sparc64-tdep.c (sparc64_pseudo_register_name): New function returning
	pseudo register names on sparc 64-bit.
	(sparc64_register_name): Account for register names provided by the
	target description.
	(sparc64_pseudo_register_type): New function returning pseudo register
	types on sparc 64-bit.
	(sparc64_register_type): Account for register types provided by the
	target description.
	(sparc64_pseudo_register_read, sparc64_pseudo_register_write): Pseudo
	registers may have different numbers based on the target description.
	(sparc64_store_floating_fields, sparc64_extract_floating_fields,
	sparc64_store_arguments): Pseudo registers may have different numbers
	based on the target description; deal with it.
	(sparc64_init_abi): Use new functions sparc64_pseudo_register_name
	and sparc64_pseudo_register_type.