* Makefile.in (symfile.o): Update.

	* Makefile.in (symfile.o): Update.
	* NEWS: Mention exec tracing support.
	* inf-ttrace.c (inf_ttrace_wait): Return TARGET_WAITKIND_EXECD for
	exec events.
	* infcmd.c (kill_if_already_running, detach_command)
	(disconnect_command): Replace SOLIB_RESTART with no_shared_libraries.
	* infrun.c (MAY_FOLLOW_EXEC, may_follow_exec): Delete.
	(follow_exec): Do not check may_follow_exec.  Do not mourn and push
	targets.  Apply the sysroot path to the loaded executable.  Use
	no_shared_libraries.
	* linux-nat.c (linux_child_follow_fork): Print fork following
	messages if verbose.
	(kill_wait_callback): Kill again before waiting a second time.
	* symfile.c (symbol_file_clear): Replace SOLIB_RESTART with
	no_shared_libraries.

	* gdb.base/foll-exec.exp: Update header.  Skip on remote targets.
	Run on GNU/Linux.
	(do_exec_tests): Check for systems which do not support catchpoints.
	Do not match START.
	* gdb.base/foll-fork.exp: Update header.  Skip on remote targets.
	Run on GNU/Linux.  Enable verbose output.
	(check_fork_catchpoints): New.
	(explicit_fork_child_follow, catch_fork_child_follow)
	(tcatch_fork_parent_follow): Update expected messages.
	(do_fork_tests): Use check_fork_catchpoints.
	* gdb.base/foll-vfork.exp: Update header.  Skip on remote targets.
	Run on GNU/Linux.  Enable verbose output.
	(check_vfork_catchpoints): New.
	(vfork_parent_follow_to_bp, tcatch_vfork_then_child_follow): Update
	expected messages.
	(do_vfork_and_exec_tests): Use check_fork_catchpoints.