2009-12-28 Stan Shebs <stan@codesourcery.com>

2009-12-28  Stan Shebs  <stan@codesourcery.com>

	Add trace state variables.
	* ax.h (enum agent_op): Add getv, setv, and tracev.
	(ax_tsv): Declare.
	* ax-gdb.c: Include tracepoint.h.
	(gen_expr): Handle BINOP_ASSIGN, BINOP_ASSIGN_MODIFY, and
	OP_INTERNALVAR.
	(gen_expr_binop_rest): New function, split from gen_expr.
	* ax-general.c (ax_tsv): New function.
	(aop_map): Add new bytecodes.
	* tracepoint.h (struct trace_state_variable): New struct.
	(tsv_s): New typedef.
	(find_trace_state_variable): Declare.
	* tracepoint.c (tvariables): New global.
	(next_tsv_number): New global.
	(create_trace_state_variable): New function.
	(find_trace_state_variable): New function.
	(delete_trace_state_variable): New function.
	(trace_variable_command): New function.
	(delete_trace_variable_command): New function.
	(tvariables_info): New function.
	(trace_start_command): Download tsvs with initial values.
	(_initialize_tracepoint): Add new commands.
	* NEWS: Mention the addition of trace state variables.

==> doc/ChangeLog <==
2009-12-28  Stan Shebs  <stan@codesourcery.com>

	* gdb.texinfo (Trace State Variables): New section.
	(Tracepoint Packets): Describe trace state variable packets.
	* agentexpr.texi (Bytecode Descriptions): Describe trace state
	variable bytecodes.

==> testsuite/ChangeLog <==
2009-12-28  Stan Shebs  <stan@codesourcery.com>

	* gdb.trace/tsv.exp: New file.
	* gdb.base/completion.exp: Update ambiguous info output.