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Add a struct to describe the branch trace configuration and use it for enabling branch tracing. The user will be able to set configuration fields for each tracing format to be used for new threads. The actual configuration that is active for a given thread will be shown in the "info record" command. At the moment, the configuration struct only contains a format field that is set to the only available format. The format is the only configuration option that can not be set via set commands. It is given as argument to the "record btrace" command when starting recording. 2015-02-09 Markus Metzger <markus.t.metzger@intel.com> * Makefile.in (XMLFILES): Add btrace-conf.dtd. * x86-linux-nat.c (x86_linux_enable_btrace): Update parameters. (x86_linux_btrace_conf): New. (x86_linux_create_target): Initialize to_btrace_conf. * nat/linux-btrace.c (linux_enable_btrace): Update parameters. Check format. Split into this and ... (linux_enable_bts): ... this. (linux_btrace_conf): New. (perf_event_skip_record): Renamed into ... (perf_event_skip_bts_record): ... this. Updated users. (linux_disable_btrace): Split into this and ... (linux_disable_bts): ... this. (linux_read_btrace): Check format. * nat/linux-btrace.h (linux_enable_btrace): Update parameters. (linux_btrace_conf): New. (btrace_target_info)<ptid>: Moved. (btrace_target_info)<conf>: New. (btrace_target_info): Split into this and ... (btrace_tinfo_bts): ... this. Updated users. * btrace.c (btrace_enable): Update parameters. (btrace_conf, parse_xml_btrace_conf_bts, parse_xml_btrace_conf) (btrace_conf_children, btrace_conf_attributes) (btrace_conf_elements): New. * btrace.h (btrace_enable): Update parameters. (btrace_conf, parse_xml_btrace_conf): New. * common/btrace-common.h (btrace_config): New. * feature/btrace-conf.dtd: New. * record-btrace.c (record_btrace_conf): New. (record_btrace_cmdlist): New. (record_btrace_enable_warn, record_btrace_open): Pass &record_btrace_conf. (record_btrace_info): Print recording format. (cmd_record_btrace_bts_start): New. (cmd_record_btrace_start): Call cmd_record_btrace_bts_start. (_initialize_record_btrace): Add "record btrace bts" subcommand. Add "record bts" alias command. * remote.c (remote_state)<btrace_config>: New. (remote_btrace_reset, PACKET_qXfer_btrace_conf): New. (remote_protocol_features): Add qXfer:btrace-conf:read. (remote_open_1): Call remote_btrace_reset. (remote_xfer_partial): Handle TARGET_OBJECT_BTRACE_CONF. (btrace_target_info)<conf>: New. (btrace_sync_conf, btrace_read_config): New. (remote_enable_btrace): Update parameters. Call btrace_sync_conf and btrace_read_conf. (remote_btrace_conf): New. (init_remote_ops): Initialize to_btrace_conf. (_initialize_remote): Add qXfer:btrace-conf packet. * target.c (target_enable_btrace): Update parameters. (target_btrace_conf): New. * target.h (target_enable_btrace): Update parameters. (target_btrace_conf): New. (target_object)<TARGET_OBJECT_BTRACE_CONF>: New. (target_ops)<to_enable_btrace>: Update parameters and comment. (target_ops)<to_btrace_conf>: New. * target-delegates: Regenerate. * target-debug.h (target_debug_print_const_struct_btrace_config_p) (target_debug_print_const_struct_btrace_target_info_p): New. NEWS: Announce new command and new packet. doc/ * gdb.texinfo (Process Record and Replay): Describe the "record btrace bts" command. (General Query Packets): Describe qXfer:btrace-conf:read packet. (Branch Trace Configuration Format): New. gdbserver/ * linux-low.c (linux_low_enable_btrace): Update parameters. (linux_low_btrace_conf): New. (linux_target_ops)<to_btrace_conf>: Initialize. * server.c (current_btrace_conf): New. (handle_btrace_enable): Rename to ... (handle_btrace_enable_bts): ... this. Pass ¤t_btrace_conf to target_enable_btrace. Update comment. Update users. (handle_qxfer_btrace_conf): New. (qxfer_packets): Add btrace-conf entry. (handle_query): Report qXfer:btrace-conf:read as supported packet. * target.h (target_ops)<enable_btrace>: Update parameters and comment. (target_ops)<read_btrace_conf>: New. (target_enable_btrace): Update parameters. (target_read_btrace_conf): New. testsuite/ * gdb.btrace/delta.exp: Update "info record" output. * gdb.btrace/enable.exp: Update "info record" output. * gdb.btrace/finish.exp: Update "info record" output. * gdb.btrace/instruction_history.exp: Update "info record" output. * gdb.btrace/next.exp: Update "info record" output. * gdb.btrace/nexti.exp: Update "info record" output. * gdb.btrace/step.exp: Update "info record" output. * gdb.btrace/stepi.exp: Update "info record" output. * gdb.btrace/nohist.exp: Update "info record" output.
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README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.
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