+2020-08-25 Shahab Vahedi <shahab@synopsys.com>
+
+ * MAINTAINERS: Add ARC target and maintainer.
+
+2020-08-25 Anton Kolesov <anton.kolesov@synopsys.com>
+
+ * configure.tgt: ARC support for GNU/Linux.
+ * Makefile.in (ALL_TARGET_OBJS): Likewise.
+ * arc-linux-tdep.c: New file.
+ * arc-tdep.h (ARC_STATUS32_L_MASK, ARC_STATUS32_DE_MASK): Declare.
+ * arc-tdep.c (arc_write_pc): Use it.
+
+2020-08-25 Shahab Vahedi <shahab@synopsys.com>
+
+ * arc-tdep.c (arc_check_for_hardware_loop): New.
+ * arc-tdep.h (gdbarch_tdep): New field has_hw_loops.
+
+2020-08-25 Shahab Vahedi <shahab@synopsys.com>
+
+ * arc-tdep.h: Include "gdbarch.h".
+
+2020-08-25 Shahab Vahedi <shahab@synopsys.com>
+
+ * arch/arc.h
+ (arc_gdbarch_features): New class to stir the selection of target XML.
+ (arc_create_target_description): Use FEATURES to choose XML target.
+ (arc_lookup_target_description): Use arc_create_target_description
+ to create _new_ target descriptions or return the already created
+ ones if the FEATURES is the same.
+ * arch/arc.c: Implementation of prototypes described above.
+ * gdb/arc-tdep.h (arc_regnum enum): Add more registers.
+ (arc_gdbarch_features_init): Initialize the FEATURES struct.
+ * arc-tdep.c (*_feature_name): Make feature names consistent.
+ (arc_register_feature): A new struct to hold information about
+ registers of a particular target/feature.
+ (arc_check_tdesc_feature): Check if XML provides registers in
+ compliance with ARC_REGISTER_FEATURE structs.
+ (arc_update_acc_reg_names): Add aliases for r58 and r59.
+ (determine_*_reg_feature_set): Which feature name to look for.
+ (arc_gdbarch_features_init): Given MACH and ABFD, initialize FEATURES.
+ (mach_type_to_arc_isa): Convert from a set of binutils machine types
+ to expected ISA enums to be used in arc_gdbarch_features structs.
+ * features/Makefile (FEATURE_XMLFILES): Add new files.
+ * gdb/features/arc/v1-aux.c: New file.
+ * gdb/features/arc/v1-aux.xml: Likewise.
+ * gdb/features/arc/v1-core.c: Likewise.
+ * gdb/features/arc/v1-core.xml: Likewise.
+ * gdb/features/arc/v2-aux.c: Likewise.
+ * gdb/features/arc/v2-aux.xml: Likewise.
+ * gdb/features/arc/v2-core.c: Likewise.
+ * gdb/features/arc/v2-core.xml: Likewise.
+ * NEWS (Changes since GDB 9): Announce obsolence of old feature names.
+
+2020-08-25 Gaius Mulley <gaiusmod2@gmail.com>
+ Andrew Burgess <andrew.burgess@embecosm.com>
+
+ PR m2/26372
+ * m2-exp.y (exp): Improve comment for non_empty_arglist case, add
+ an assert. Remove single element array indexing pattern as the
+ MULTI_SUBSCRIPT support will handle this case too.
+
+2020-08-24 Simon Marchi <simon.marchi@polymtl.ca>
+
+ * value.h (valprint_check_validity): Move declaration from
+ here...
+ * valprint.h (valprint_check_validity): ... to here.
+
+2020-08-24 Simon Marchi <simon.marchi@efficios.com>
+
+ * debug.h: New file.
+ * debug.c (debug_prefixed_vprintf): New function.
+ * infrun.c (infrun_debug_printf_1): Use debug_prefixed_vprintf.
+ * linux-nat.c (linux_nat_debug_printf_1): Likewise.
+
+2020-08-24 Simon Marchi <simon.marchi@efficios.com>
+
+ * infrun.h (infrun_debug_printf_1): New function declaration.
+ (infrun_debug_printf): New macro.
+ * infrun.c (infrun_debug_printf_1): Use infrun_debug_printf
+ throughout.
+ (infrun_debug_printf): New function.
+ * breakpoint.c (should_be_inserted): Use infrun_debug_printf.
+ (handle_jit_event): Likewise.
+
2020-08-21 Mark Wielaard <mark@klomp.org>
* ada-lex.l: Extend register warnings diagnostics comment for g++.