src/gdb ChangeLog NEWS i386-tdep.c remote.c ta ...

[shebs at sourceware dot org]

CVSROOT:	/cvs/src
Module name:	src
Changes by:	shebs@sourceware.org	2011-11-14 20:07:25

Modified files:
	gdb            : ChangeLog NEWS i386-tdep.c remote.c target.c 
	                 target.h 
	gdb/doc        : ChangeLog gdb.texinfo 
	gdb/gdbserver  : ChangeLog linux-i386-ipa.c linux-low.c 
	                 linux-low.h linux-x86-low.c server.h target.h 
	                 tracepoint.c 
	gdb/testsuite  : ChangeLog 
Added files:
	gdb/testsuite/gdb.trace: ftrace.c ftrace.exp 

Log message:
	2011-11-14  Stan Shebs  <stan@codesourcery.com>
	Kwok Cheung Yeung  <kcy@codesourcery.com>
	
	* NEWS: Document shorter fast tracepoints and qTMinFTPILen packet.
	* i386-tdep.c (i386_fast_tracepoint_valid_at): Query target for
	the minimum instruction size for fast tracepoints.
	* target.h (struct target_ops): Add new method
	to_get_min_fast_tracepoint_insn_len.
	(target_get_min_fast_tracepoint_insn_len): New.
	* target.c (update_current_target): Set up new target operation.
	* remote.c (remote_write_bytes_aux): Fix typo.
	(remote_get_min_fast_tracepoint_insn_len): New.
	(init_remote_ops): Initialize new field.
	
	* gdb.texinfo (Create and Delete Tracepoints): Describe what is
	needed to get shorter fast tracepoints.
	(Tracepoint Packets): Document new qTMinFTPILen packet.
	
	* linux-x86-low.c (small_jump_insn): New.
	(i386_install_fast_tracepoint_jump_pad): Add arguments for
	trampoline and error message, build a trampoline and issue a small
	jump instruction to it.
	(x86_install_fast_tracepoint_jump_pad): Add arguments for
	trampoline and error message.
	(x86_get_min_fast_tracepoint_insn_len): New.
	(the_low_target): Add call to x86_get_min_fast_tracepoint_insn_len.
	* linux-low.h (struct linux_target_ops): Add arguments to
	install_fast_tracepoint_jump_pad operation, add new operation.
	* linux-low.c (linux_install_fast_tracepoint_jump_pad): Add
	arguments.
	(linux_get_min_fast_tracepoint_insn_len): New function.
	(linux_target_op): Add new operation.
	* tracepoint.c (gdb_trampoline_buffer): New IPA variable.
	(gdb_trampoline_buffer_end): Ditto.
	(gdb_trampoline_buffer_error): Ditto.
	(struct ipa_sym_addresses): Add fields for new IPA variables.
	(symbol_list): Add entries for new IPA variables.
	(struct tracepoint): Add fields to hold the address range of the
	trampoline used by the tracepoint.
	(trampoline_buffer_head): New static variable.
	(trampoline_buffer_tail): Ditto.
	(claim_trampoline_space): New function.
	(have_fast_tracepoint_trampoline_buffer): New function.
	(clone_fast_tracepoint): Fill in trampoline fields of tracepoint
	structure.
	(install_fast_tracepoint): Ditto, also add error buffer argument.
	(cmd_qtminftpilen): New function.
	(handle_tracepoint_query): Add response to qTMinFTPILen packet.
	(fast_tracepoint_from_trampoline_address): New function.
	(fast_tracepoint_collecting): Handle trampoline as part of jump
	pad space.
	(set_trampoline_buffer_space): New function.
	(initialize_tracepoint): Initialize new IPA variables.
	* target.h (struct target_ops): Add arguments to
	install_fast_tracepoint_jump_pad operation, add new
	get_min_fast_tracepoint_insn_len operation.
	(target_get_min_fast_tracepoint_insn_len): New.
	(install_fast_tracepoint_jump_pad): Add arguments.
	* server.h (IPA_BUFSIZ): Define.
	* linux-i386-ipa.c: Include extra header files.
	(initialize_fast_tracepoint_trampoline_buffer): New function.
	(initialize_low_tracepoint): Call it.
	* server.h (set_trampoline_buffer_space): Declare.
	(claim_trampoline_space): Ditto.
	(have_fast_tracepoint_trampoline_buffer): Ditto.
	
	* gdb.trace/ftrace.c: New.
	* gdb.trace/ftrace.exp: New.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.13514&r2=1.13515
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/NEWS.diff?cvsroot=src&r1=1.465&r2=1.466
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/i386-tdep.c.diff?cvsroot=src&r1=1.339&r2=1.340
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/remote.c.diff?cvsroot=src&r1=1.468&r2=1.469
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/target.c.diff?cvsroot=src&r1=1.290&r2=1.291
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/target.h.diff?cvsroot=src&r1=1.217&r2=1.218
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/doc/ChangeLog.diff?cvsroot=src&r1=1.1244&r2=1.1245
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/doc/gdb.texinfo.diff?cvsroot=src&r1=1.894&r2=1.895
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/ChangeLog.diff?cvsroot=src&r1=1.510&r2=1.511
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-i386-ipa.c.diff?cvsroot=src&r1=1.5&r2=1.6
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-low.c.diff?cvsroot=src&r1=1.178&r2=1.179
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-low.h.diff?cvsroot=src&r1=1.47&r2=1.48
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-x86-low.c.diff?cvsroot=src&r1=1.30&r2=1.31
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/server.h.diff?cvsroot=src&r1=1.87&r2=1.88
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/target.h.diff?cvsroot=src&r1=1.58&r2=1.59
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/tracepoint.c.diff?cvsroot=src&r1=1.32&r2=1.33
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/ChangeLog.diff?cvsroot=src&r1=1.2936&r2=1.2937
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.trace/ftrace.c.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.trace/ftrace.exp.diff?cvsroot=src&r1=NONE&r2=1.1