+2016-02-25 Marcin KoĆcielnicki <koriakin@0x04.net>
+
+ * linux-s390-low.c (s390_num_regs_3264): Define on 31-bit too.
+ (s390_regmap_3264) [!__s390x__]: New global.
+ (s390_collect_ptrace_register): Skip map entries containing -1.
+ (s390_supply_ptrace_register): Ditto.
+ (s390_fill_gprs_high): New function.
+ (s390_store_gprs_high): New function.
+ (s390_regsets): Add NT_S390_HIGH_GPRS.
+ (s390_get_hwcap): Enable on 31-bit.
+ (have_hwcap_s390_high_gprs): Enable on 31-bit.
+ (s390_arch_setup): Enable detection of high GPRs, TDB, VX on 31-bit.
+ Detect NT_S390_HIGH_GPRS.
+ (s390_usrregs_info_3264): Enable on 31-bit.
+ (s390_regs_info): Enable regs_info_3264 on 31-bit.
+ (initialize_low_arch): Initialize s390_regsets_info_3264 on 31-bit.
+
2016-02-25 Marcin KoĆcielnicki <koriakin@0x04.net>
PR gdb/13808