path: root/ChangeLog

2005-10-20  Graydon Hoare  <graydon@redhat.com>

	PR 917 (incomplete)
	* staptree.h (struct statistic_decl): New struct.
	(stapfile::stat_decls): New member.

	* parse.h, parse.cxx 
	(parser::expect_known): Fix typo.
	(parser::expect_number): New method.
	(parser::parse_global): Parse global statistic_decls.

	* elaborate.h (systemtap_session::stat_decls): New member.
	* elaborate.cxx (semantic_pass_symbols): Copy per-file stat_decls
	to session-wide.
	(typeresolution_info::visit_assignment): Detect some semantic stats
	errors in type resolution pass.

	* translate.cxx (var::sd): New private member.
	(var::var): Initialize it.
	(var::sdecl): New accessor.
	(var::init): Handle stats values.
	(mapvar::mapvar): Pass through statistic_decl to var ctor.
	(mapvar::get): Test for long explicitly.
	(mapvar::set): Likewise.
	(mapvar::init): Handle stats values.
	(c_unparser::emit_common_header): Remove typedef of stats_t,
	include stat.c when necessary.
	(mapvar::key_typename): Typo.
	(c_unparser::emit_map_type_instantiations): Thinko: value_typename not key_typename.
	(c_unparser::c_typename): Implementation typename is "Stat", not "stats_t".
	(c_unparser::c_assign): Fix bad error message.
	(c_unparser_assignment::c_assignop): Handle operator <<<.
	(c_unparser::getvar): Feed session statistic_decl into var.
	(c_unparser::getmap): Likewise.
	(c_unparser::visit_assignment): Handle operator <<<.
	(c_tmpcounter_assignment::visit_symbol): Derive type from rvalue when present.
	(c_unparser_assignment::visit_symbol) 
	(c_tmpcounter_assignment::visit_arrayindex)
	(c_unparser_assignment::load_map_indices): Likewise.
	(c_unparser::visit_arrayindex): Likewise, and Prohibit statistic rvalues.
	(c_unparser_assignment::visit_arrayindex): Handle operator <<<.

	* testsuite/semko/twentyfour.stp:
	* testsuite/semko/twentyfive.stp:
	* testsuite/semko/twentysix.stp:
	* testsuite/semko/twentyseven.stp:
	* testsuite/semko/twentyeight.stp:
	* testsuite/semko/twentynine.stp:
	* testsuite/semko/thirty.stp:
	* testsuite/semko/thirtyone.stp: New tests for prohibited statistic contexts.
	* testsuite/buildok/twentytwo.stp: New test for legal statistic contexts.

2005-10-19  Tom Zanussi  <zanussi@us.ibm.com>

	PR 1194.
	* elaborate.h: Move output_file variable into systemtap_session.
	* buildrun.cxx (run_pass): Pass output file to stpd if applicable.
	* main.cxx (main): Set output_file if -o option specified.

2005-10-18  Frank Ch. Eigler  <fche@redhat.com>

	PR 1477.
	* main.cxx (main): Set PATH and LC_ALL, so
	* buildrun.cxx (compile_pass, run_pass): ... and ...
	* translate.cxx (emit_symbol_data): ... don't have to.

2005-10-18  Frank Ch. Eigler  <fche@elastic.org>

	PR 1482 cont'd.
	* translator.cxx (emit_module_init): Set aside a variable for
	detailed probe point id.
	* tapsets.cxx (emit_registrations): Use it.
	(add_probe_point): Correct synthesized probe-point typo.
	
2005-10-17  Martin Hunt  <hunt@redhat.com>
	
	PR 1482
	* tapsets.cxx (emit_registrations): On failure, don't
	forget to unregister probe 0;

2005-10-17  Frank Ch. Eigler  <fche@elastic.org>

	PR 1338.
	* parse.cx (parse_probe): Unconditionally visit parse_probe_point.
	(parse_probe_point): Accept "*" as component name.
	* stapprobes.5.in: Document this.
	* elaborate.cxx (derive_probes): Rewrite.  Make top-level function.
	(match_node::find_and_build): New function to replace
	(find_builder): Removed.
	(match_key operator <): Correct one nasty typo.
	(match_node::bind): Refuse to bind "*" component names.
	(derived_probe_builder::build): Remove recursion output param.
	(alias_expandion_builder::build): Recurse to derive_probes instead.
	* elaborate.h: Corresponding changes.
	* tapsets.cxx: Ditto.
	(query_cu): Elide prologue finding for uninteresting CUs.
	* testsuite/semok/nineteen.stp: New test.
	* testsuite/semko/twentythree.stp: New test.
	* testsuite/semko/twentyone/two.stp: Fix -p2.

2005-10-17  Graydon Hoare  <graydon@redhat.com>

	* testsuite/semko/twentyone.stp: Check function doesn't match inline.
	
	* testsuite/semko/twentytwo.stp: Check inline doesn't match function.

	* testsuite/buildok/six.stp: Change "function" to "inline".

	* stapprobes.5.in: Describe "inline" probes.

	* tapsets.cxx (TOK_INLINE): New token "inline".
	(dwarf_query::has_inline_str) 
	(dwarf_query::has_inline_num) 
	(dwarf_query::inline_str_val) 
	(dwarf_query::inline_num_val): New members.
	(dwarf_query::dwarf_query): Load new members. 
	(query_dwarf_inline_instance)
	(query_dwarf_func)
	(query_cu)
	(query_module)
	(dwarf_derived_probe::add_probe_point)
	(dwarf_builder::build): 
	Use inline-related members where appropriate.	
	(dwarf_derived_probe::register_inline_variants): New method.
	(dwarf_derived_probe::register_function_and_statement_variants): 
	Call it.

2005-10-14  Roland McGrath  <roland@redhat.com>

	PR 1271.
	* loc2c.c (translate): Set LOC->byte_size in loc_noncontiguous result.
	(struct location.address): New member `declare'.
	(new_synthetic_loc, translate): Initialize it.
	(struct location.type): Add loc_fragment, loc_decl to enum.
	(c_emit_location): Emit unadorned code for loc_fragment.
	(discontiguify): New function.
	(c_translate_fetch, c_translate_store): Call it.
	(get_bitfield): New function, broken out of ....
	(emit_bitfield): ... here.  Function removed.
	(declare_noncontig_union): New function.
	(max_fetch_size): New function.
	(translate_base_fetch): New function, broken out of ...
	(c_translate_fetch): ... here.  Call it.
	Use get_bitfield here, not emit_bitfield.
	(c_translate_store): Likewise.
	(c_emit_location): Emit declarations first.

	* loc2c.c (dwarf_diename_integrate): Function removed.
	Change all callers to use dwarf_diename.

	* loc2c-test.c (handle_variable): Check for "=" before fetching DIE
	from ATTR_MEM.

2005-10-13  Roland McGrath  <roland@redhat.com>

	* loc2c.c (c_emit_location): Use final location's used_deref flag too.

	* loc2c.c (translate): Pass LOC to alloc_location, not INPUT.

	* loc2c-test.c (fail): Print a newline after the error message.

2005-10-10  Frank Ch. Eigler  <fche@elastic.org>

	* elaborate.cxx (match_node::bind): Improve error message.
	(register_library_aliases): Catch and verbosify error message.
	(semantic_pass): Provide a back-up exception catcher.

2005-10-10  Frank Ch. Eigler  <fche@elastic.org>

	PR 1456.
	* translate.cxx (c_unparser_assignment): Rename "pre" field to "post",
	add blurb to clarify polarity.
	(visit_pre/post_crement): Flip passed flag value.

2005-10-07  Frank Ch. Eigler  <fche@elastic.org>

	PR 1366.
	* staptree.h (foreach_loop): Add sort_column, sort_direction fields.
	* parse.cxx (parse_foreach_loop): Parse "+"/"-" suffix operators.
	* stap.1.in, stapex.5.in: Document them.
	* staptree.cxx (foreach_loop print, copy): Propagate them.
	* translate.cxx (visit_foreach_loop): Support them.
	* testsuite/parseok/fifteen.stp, parseko/thirteen.stp,
	buildok/twentyone.stp: Test them.

2005-10-07  Kevin Stafford  <kevinrs@us.ibm.com>

        * tapset/system_calls.stp: All 281 syscalls *prototyped*. They
	are still untested. Many of the aliases useability are contin-
 	gent upon resolution of namely: bz #1295 & bz #1382.

2005-10-06  Frank Ch. Eigler  <fche@elastic.org>

	* stap.1.in: Document -b/-s options.
	* main.cxx (usage): Clarify -b/-s blurbs.
	* translator.cxx (translate_pass): Handle bulk_mode here instead.

2005-10-06  Frank Ch. Eigler  <fche@elastic.org>

	PR 1332.
	* translate.cxx (emit_symbol_data): New function to transcribe
	a processed address->symbol lookup table, based upon /proc/kallsyms.

2005-10-05  Tom Zanussi  <zanussi@us.ibm.com>

	* buildrun.cxx (run_pass): Add bulk/buffer_size flags to flags
	passed to stpd.
	* elaborate.h (systemtap_session): Add bulk/buffer_size flags.
	* main.cxx (usage,main): Add -b (bulk), -s (buffer_size) options.
	processing.

2005-10-04  Graydon Hoare  <graydon@redhat.com>

	PR 1131.
	* tapsets.cxx
	(target_variable_flavour_calculating_visitor::visit_target_symbol)
	(var_expanding_copy_visitor::visit_target_symbol):
	Require guru mode for writing to target vars.
	* testsuite/buildok/twenty.stp: Test writing to target vars.

2005-10-01  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx (get_module_dwarf): Add "required" parameter, which
	throws an exception if debuginfo is not found.
	(focus_on_module_containing_global_address): Tolerate miss.
	(query_kernel_exists): New function to test for "kernel" module in
	dwfl_getmodules() result set.
	(dwarf_builder::build): Call it if appropriate.

2005-09-30  Graydon Hoare  <graydon@redhat.com>

	PR 1131.
	* tapsets.cxx (dwflpp::find_variable_and_frame_base)
	(dwflpp::translate_components)
	(dwflpp::resolve_unqualified_inner_typedie)
	(dwflpp::translate_final_fetch_or_store): New functions.
	(dwflpp::literal_stmt_for_local): Factor a bit.
	(variable_flavour_calculating_visitor::visit_target_symbol):
	Don't fault on lvalue, just collect an extra char.
	(var_expanding_copy_visitor::target_symbol_setter_functioncalls):
	New member.
	(var_expanding_copy_visitor::visit_assignment): New method.
	(var_expanding_copy_visitor::visit_target_symbol): Permit lvalues.

2005-09-30  Frank Ch. Eigler  <fche@elastic.org>

	* tapset/system_calls.stp (*_str): Simplified boolean test logic
	throughout, fixed some typos.

2005-09-28  Frank Ch. Eigler  <fche@elastic.org>

	PR 1182.
	* main.cxx (main): Support -D macro-setting option.
	* stap.1.in: Document it and related macros.
	* buildrun.cxx (compile_pass): Emit macro definitions.
	* translate.cxx (translate_pass): Guard limit macros with #ifdef.
	Eliminate MAXCONCURRENCY macro.
	* elaborate.h (systemtap_session): Add "macros" field.
	* parse.cxx (parse_if_statement): Clear "elseblock" if needed.

2005-09-27  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx (query_cu_containing_global_address): Tolerate
	way out of range addresses that result in null cudie pointers.

2005-09-27  Frank Ch. Eigler  <fche@elastic.org>

	PR 1368.
	* translate.cxx (emit_common_header): Move some MAX* definitions out ...
	(translate_pass): ... to here.  Fix probe_start API impedance mismatch.
	(emit_module_init, exit): Tolerate registration errors, such as absence
	of kretprobes support.

2005-09-27  Frank Ch. Eigler  <fche@elastic.org>

	PR 1311.
	* tapsets.cxx (target_variable_flavour_calculating_visitor::
	visit_target_symbol): Print verbose error.
	(var_expanding_copy_visitor::visit_target_symbol): Throw
	simple error.

2005-09-26  Frank Ch. Eigler  <fche@elastic.org>

	* stapfuncs.5.in: Extend errno_str verbiage.
	* tapset/errno.stp: Canonicalize script code slightly.

2005-09-26  Frank Ch. Eigler  <fche@elastic.org>

	PR 1295.
	* tapsets.cxx (resolve_prologue_endings2): Try another heuristic
	for end-of-prologue.

2005-09-22  Graydon Hoare  <graydon@redhat.com>,
	Frank Ch. Eigler  <fche@elastic.org>

	PR 1330.
	* tapsets.cxx (dwarf_derived_probe): Allow multiple probe_point
	locations per derived_probe.
	(dwarf_query): Add probe "flavour" concept, to reuse probe bodies for
	identical flavours across wildcards.
	(dwarf::emit_registrations, emit_deregistrations, emit_probe_entries):
	Reorganize.
	* staptree (probe::printsig): Put multiple locations on separate lines.

2005-09-22  Will Cohen  <wcohen@redhat.com>

	* stap.1.in: Correct sys_read alias example.

2005-09-19  Frank Ch. Eigler  <fche@redhat.com>

	* tapsets.cxx (*::emit_probe_entries): Handle busy-count correctly
	upon contention.

2005-09-14  Graydon Hoare  <graydon@redhat.com>

	PR 1260
	* tapsets.cxx (dwflpp::resolve_prologue_endings): Correct logic
	error triggered by consecutive function-beginning line records.

2005-09-14  Frank Ch. Eigler  <fche@elastic.org>

	PR 1344
	* translate.cxx: Call _stp_map_clear for "delete ARRAY" statement.

2005-09-14  Roland McGrath  <roland@redhat.com>

	* systemtap.spec.in: Version 0.4.1 cooked.
	Build runpath into elfutils libs too.

2005-09-14  Frank Ch. Eigler  <fche@elastic.org>

	PR 1257
	* Makefile.am (AM_CFLAGS): Add -fexceptions.
	* loc2c.c (c_translate_location): Invoke *fail properly.
	* Makefile.in: Regenerated.

2005-09-13  Graydon Hoare  <graydon@redhat.com>

	PR 1260
	* tapsets.cxx (func_info::func_info): Initialize fields.
	(inline_instance_info::inline_instance_info): Likewise.
	(query_inline_instance_info): Add try-catch block.
	(query_func_info): Likewise, and fault when missing prologue-end.
	(query_dwarf_func): Fault when missing entrypc.

2005-09-12  Frank Ch. Eigler  <fche@elastic.org>

	PR 1335
	* translate.cxx (c_tmpcounter::visit_functioncall): Correct
	recursion sequence.
	* testsuite/buildok/nineteen.stp: New test case.

2005-09-12  Graydon Hoare  <graydon@redhat.com>

	PR 1306
	* tapsets.cxx (dwflpp::iterate_over_srcfile_lines): Fix two
	off-by-one errors in previous change.

2005-09-12  Graydon Hoare  <graydon@redhat.com>

	PR 1306
	* tapsets.cxx (dwflpp::has_single_line_record): New function.
	(dwflpp::iterate_over_srcfile_lines): Throw when user requests
	single statement line with multiple records (and provide advice).
	(query_cu): Adjust call to match.
	(query_srcfile_line): Fix indentation.

2005-09-10  Frank Ch. Eigler  <fche@elastic.org>

	* Makefile.am, runtest.sh: Use a "testresuilt/" directory in build
	tree rather than overloading "testsuite/".
	* TODO: Removed obsoleted file.
	* Makefile.in: Regenerated.

2005-09-07  Martin Hunt  <hunt@redhat.com>

	* stap.1.in: Document current "-c" and "-x" options.

2005-09-07  Frank Ch. Eigler  <fche@elastic.org>

	* systemtap.spec.in: Remove kernel-debuginfo dependency.

2005-09-07  Frank Ch. Eigler  <fche@redhat.com>

	* main.cxx (main): Choose getpid()-based module names.
	* tapsets.cxx: Make timer.jiffies' use of task_pt_regs __i386__-only.

2005-09-07  Frank Ch. Eigler  <fche@redhat.com>

	* stap.1.in: Oops, && and || do short-circuit.

2005-09-06  Frank Ch. Eigler  <fche@elastic.org>

	* stap.1.in: Clarify absence of short-circuiting in && and ||.
	* translate.cxx (emit_function): Improve "array locals" message.
	* tapset/timestamp.stp: Add gettimeofday_us function.  Correct
	arithmetic typing in other functions.
	* stapfuncs.5.in: Document new function.

2005-09-06  Martin Hunt  <hunt@redhat.com>

	* systemtap.spec.in: Bump elfutils_version to .115.

2005-09-05  Roland McGrath  <roland@redhat.com>

	* loc2c.h: Comment fix.

2005-09-06  Frank Ch. Eigler  <fche@elastic.org>

	* configure.ac: Require elfutils 0.115+.
	* tapsets.cxx: Restore graydon's PR 1244 code.
	* testsuite/buildok/eighteen.stp: Correct typing.
	* configure: Regenerated.

2005-09-06  Martin Hunt  <hunt@redhat.com>

	* tapset/context.stp: Add function target().
	* stapfuncs.5.in (target): Document it.
	* elaborate.h (struct systemtap_session): Add cmd and target_pid to
	the struct.
	* main.cxx (usage): Add descriptions of "-c" and "-x" options.
	(main): Set s.cmd and s.target_pid.
	* buildrun.cxx (stringify): Copy this utility func here too.
	(run_pass): Add new options to set cmd and pid to the stpd
	command line.

2005-09-06  Frank Ch. Eigler  <fche@redhat.com>

	* tapsets.cxx (emit_probe_entries): Disable fault_handler for now.

2005-09-05  Frank Ch. Eigler  <fche@elastic.org>

	PR 1289
	* translate.cxx (lex_cast_qstring): Correct "cast" of object
	to string containing more than one word.
	* tapset.cxx (lex_cast_qstring): Ditto.
	(dwarf_derived_module::emit_probe_entries): Emit and use
	a generic fault_handler.

2005-09-05  Frank Ch. Eigler  <fche@elastic.org>

	PR 1172.
	* staptree.h, staptree.cxx: Make all ::print*(), operator<<
	functions take const staptree objects.
	(literal_string::print): \-prefix double-quotes.
	* translate.cxx (emit_common_header): Add context probe_point field.
	Switch to atomic_t busy flags.
	(emit_module_exit): Use atomic operations for busy flag.
	(visit_*): Use lex_cast_qstring for last_stmt strings.
	* tapsets.cxx (lex_cast_qstring): New function.
	(*::emit_probe_entries): Populate probe_point.  Use atomic operations
	for busy flag.
	* tapset/context.stp (pp): New function.
	* stapfuncs.5.in: Document it.
	* testsuite/buildok/context_test.stp: Test it.

2005-09-04  Frank Ch. Eigler  <fche@elastic.org>

	* translate.cxx (visit_literal_string): \-prefix double-quotes.

2005-09-04  Martin Hunt  <hunt@redhat.com>

	* testsuite/buildok/context_test.stp: New test.
	* tapset/logging.stp (log): Call _stp_printf().
	* stapfuncs.5.in: Add contextinfo funcs.
	* tapset/context.stp: Minor cleanup.

2005-09-03  Frank Ch. Eigler  <fche@elastic.org>

	PR 1187 prime
	* tapset.cxx (literal_stmt_for_local): Don't automgaically copy
	target char*'s to systemtap strings.
	* tapset/conversions.stp (user_string, kernel_string): New functions.
	* stapfuncs.5.in: Document new functions.

2005-09-03  Frank Ch. Eigler  <fche@elastic.org>

	PR 1292, by popular request.
	* parse.cxx (parse_functiondecl): Allow optional value/param type
	declarations.
	* stap.1.in: Document this.
	* tapset/*.stp: Convert most functions accordingly.
	* testsuite/parseok/twelve.stp, semok/seven.stp,
	semko/twenty.stp: Test this.

2005-09-02  Frank Ch. Eigler  <fche@redhat.com>

	* translate.cxx (varlock): Use trylock only for write locks.
	(translate_pass): Remove read_trylock macro hack.
	(visit_foreach_loop): Remove protective read lock, until PR 1275.
	(visit_*): Added many more "last_stmt"-setting expressions in the
	output, to improve last_error message locality.

2005-09-02  Martin Hunt  <hunt@redhat.com>

	* tapset/logging.stp: Make log() be same as print().

2005-09-02  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx: Temporarily rolled back graydon's changes.

2005-09-02  Frank Ch. Eigler  <fche@elastic.org>

	* tapset/*.stp: Renamed several files to simplify names.

2005-09-01  Graydon Hoare  <graydon@redhat.com>

	PR systemtap/1244
	* testsuite/buildok/eighteen.stp: New test.
	* tapsets.cxx (dwflpp::literal_stmt_for_local)
	(query_statement, query_inline_instance_info)
	(query_func_info, query_srcfile_line, query_cu)
	(var_expanding_copy_visitor, visit_target_symbol)
	(dwarf_derived_probe): Fix 1244.

2005-09-01  Martin Hunt  <hunt@redhat.com>

	* tapset/builtin_logging.stp: Add print.

	* tapset/context.stp: New file. First cut at some
	context info.

2005-09-01  Martin Hunt  <hunt@redhat.com>

	* translate.cxx (emit_probe): Add a call to _stp_print_flush
	at the end of each probe.
	(translate_pass): Define STP_NUM_STRINGS to be 1 for
	a scratch string. Include current.c and stack.c. Don't
	define KALLSYMS_LOOKUP_NAME or KALLSYMS_LOOKUP. Remove
	references to next_fmt() and stp_dbug().

2005-08-31  Graydon Hoare  <graydon@redhat.com>

	PR systemtap/1258
	* tapsets.cxx (dwflpp::literal_stmt_for_local):
	Support DW_TAG_enumeration_type tag as synonymous with
	DW_TAG_base_type.
	* loc2c.c (base_byte_size): Likewise.
	* testsuite/buildok/seven.stp: Adjust to work on UP kernels.

2005-08-31  Graydon Hoare  <graydon@redhat.com>

	* tapsets.cxx (dwflpp::iterate_over_srcfile_lines): Correct segv
	reported in PR 1270.

2005-08-31  Frank Ch. Eigler  <fche@redhat.com>

	* translate.cxx (visit_array_in, visit_arrayindex): Use write locks
	even for array reads, until PR 1275.
	(translate_pass): Add read_trylock -> write_trylock escalation.

2005-08-30  Roland McGrath  <roland@redhat.com>

	* Makefile.am (install-data-local): Use mkdir -p, not -mkdir.
	* Makefile.in: Regenerated.

2005-08-30  Graydon Hoare  <graydon@redhat.com>

	* tapsets.cxx (dwflpp::literal_stmt_for_local): Handle dwarf
	pointer-to-1-byte-means-char case (found in PR 1187)
	* parse.cxx (parse_symbol): Eliminate use of "." from target
	symbol parser, conflicting with string concatenation operator.
	* staptree.h (target_symbol::component_type) Eliminate
	comp_struct_pointer_member, since . and -> are considered the
	same now.
	* staptree.cxx (target_symbol::print): Likewise.
	* testsuite/buildok/seventeen.stp: Test solution on PR 1191.
	* testsuite/buildok/six.stp: Test working portion of PR 1155.
	* testsuite/semko/nineteen.stp: Unresolved portion of PR 1155.

2005-08-30  Frank Ch. Eigler  <fche@elastic.org>

	PR systemtap/1268
	* translator (varlock): Add deadlock detection code.
	(emit_common_header): Add a new MAXTRYLOCK configuration macro.

2005-08-29  Graydon Hoare  <graydon@redhat.com>

	PR translator/1265
	* tapsets.cxx
	(func_info::decl_file)
	(func_info::decl_line)
	(inline_instance_info::decl_file)
	(inline_instance_info::decl_line): New fields.
	(dwflpp::function_srcfile): Remove.
	(dwflpp::function_file): Add.
	(dwflpp::function_line): Add.
	(dwarf_derived_probe::dwarf_derived_probe): Update.
	(query_statement): Pass func, file, line through.
	(query_inline_instance_info): Likewise.
	(query_func_info): Likewise.
	(query_srcfile_line): Query statement lines if
	statement_str exists, rather than *_info.
	(query_dwarf_inline_instance): Extract file and line.
	(query_dwarf_func): Likewise.
	(query_cu): Pass empty func, file, line, for address-based
	queries.

2005-08-29  Frank Ch. Eigler  <fche@redhat.com>

	* runtest.sh: Tolerate relative $SRCDIR.

2005-08-29  Frank Ch. Eigler  <fche@redhat.com>

	* stapprobes.5.in, stapfuncs.5.in, stapex.5.in: New man pages.
	* stap.1.in: Moved some content out.
	* Makefile.am (man_MANS): Add new man pages.
	* configure.ac (AC_CONFIG_FILES): Add them.
	* systemtap.spec.in: Package them.
	* Makefile.in, configure: Regenerated.
	* buildrun.cxx (run_pass): Pass "-r" to stpd.
	* translate.cxx (emit_common_header): Wrap try/catch around
	variable decls, to improve exception particularity.
	(visit_literal_number): Emit as unsigned literal, which is
	actually a subtle correctness issue.

2005-08-28  Frank Ch. Eigler  <fche@redhat.com>

	* tapsets.cxx (visit_target): Make target variable exceptions
	more informative.
	(literal_stmt_for_local): Improve bad-type exception message.
	* translate.cxx (emit_module_init): Include probe point in comments.

2005-08-27  Roland McGrath  <roland@redhat.com>

	* loc2c-test.c (print_type): New function.
	(print_vars): Use it.

	* loc2c-test.c (paddr, print_vars): New functions.
	(main): If given no variable name argument, print out variables.

2005-08-26  Graydon Hoare  <graydon@redhat.com>

	* translate.cxx: Revert tmp initialization changes.

2005-08-26  Graydon Hoare  <graydon@redhat.com>

	* parse.cxx (scan): Preserve basic C-ish escapes.
	* translate.cxx (c_tmpcounter::declaring): New flag.
	(c_tmpcounter::declare_or_init): New helper method.
	(c_tmpcounter::visit_*): Use declare_or_init.
	(c_unparser::emit_function): Run a tmpcounter to initialize tmps.
	(c_unparser::emit_probe): Likewise.
	(c_unparser::c_strcpy): Use strlcpy.
	(c_unparser::c_strcat): Use strlcat.

2005-08-25  Roland McGrath  <roland@redhat.com>

	* Makefile.am (EXTRA_DIST): List .h files explicitly.
	Automake really does not like wildcards.
	* Makefile.in: Regenerated.

2005-08-25  Frank Ch. Eigler  <fche@redhat.com>

	* Makefile.am (docs): Removed target.
	* Makefile.in: Regenerated.

2005-08-24  Graydon Hoare  <graydon@redhat.com>

	* tapsets.cxx (dwflpp::literal_stmt_for_local): Fetch pointer types,
	array types, strings, from target.

2005-08-24  Roland McGrath  <roland@redhat.com>

	* loc2c-test.c (handle_variable): Iterate on const_type/volatile_type.

2005-08-24  Frank Ch. Eigler  <fche@elastic.org>

	* configure.ac: Require elfutils 0.114.
	* tapsets.cxx: Brought back graydon's changes.
	* configure: Regenerated.

2005-08-24  Roland McGrath  <roland@redhat.com>

	* systemtap.spec.in: Update elfutils requirement.

2005-08-24  Frank Ch. Eigler  <fche@elastic.org>

	* translate.cxx (emit_global, emit_module_init): Use 2.6.9-compatible
	rwlock initialization.

2005-08-24  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx (*::emit_probe_entries): Treat NULL and "" last_errors
	both as clean early returns, not errors.
	* translate.cxx: Revamp last_error handling logic.  Remove all
	"goto out" paths from expression context.
	(visit_statement): Handle last_error exit one nesting level at a time.
	(visit_return_statement, visit_functioncall): Set/reset last_error="".
	(c_tmpcounter::visit_for_loop): New routine.
	(c_unparser::visit_foreach, visit_for_loop): Rewrite to properly
	support continue/breaks, non-local exits, (foreach) locks.
	(emit_global): Emit lock variable.
	(varlock ctor, dtor): Lock/unlock global variable.
	(varlock_w, varlock_r): New concrete subclasses.  Update all users.
	* tapset/builtin_logging.stp (exit): Don't set last_error.
	* src/testsuite/buildok/sixteen.stp: New test.

	* tapsets.cxx: Temporarily rolled back graydon's changes.

2005-08-23  Graydon Hoare  <graydon@redhat.com>

	* tapsets.cxx: Re-implement dwarf probe-pattern resolution.

2005-08-22  Frank Ch. Eigler  <fche@elastic.org>

	PR systemtap/1134
	* elaborate.h (module_fds): New member in systemtap_session.
	* tapsets.cxx (dwarf_derived_probe ctor): Open /sys/module/$MOD/.text
	for the duration of a systemtap session, to lock module in memory.

2005-08-21  Frank Ch. Eigler  <fche@redhat.com>

	PR systemtap/1195, systemtap/1193
	* elaborate.cxx (alias_expansion_builder): Set new block token.
	* parse.cxx (parse_symbol): Set new target_symbol token.
	* runtest.sh: Store more pertinent failure data.
	* tapsets.cxx (emit_probe_entries): Rewrite error-handling path.
	* translate.cxx (emit_common_header): Goodbye errorcount, hello
	last_error & last_stmt.
	(c_unparser::visit_statement): New "header" for all other stmts.
	(c_assignop, visit_binary_expression): Adapt to last_error.
	* tapset/builtin_logging.stp: Adapt to last_error.

2005-08-19  Frank Ch. Eigler  <fche@elastic.org>

	PR systemtap/1213
	* translate.cxx (visit_if_statement): Translate else arms.

2005-08-19  Frank Ch. Eigler  <fche@elastic.org>

	PR systemtap/1209
	* elaborate.cxx (derived_probe_builder): Add get_param function.
	* elaborate.h: Declare them.
	* tapsets.cxx (dwarf_query::get_*_param): Call them.
	(timer_derived_probe, timer_builder): New classes.
	(register_standard_tapsets): Register timer.jiffies(N) and friend.
	* translate.cxx (translate_pass): #include <linux/timers.h>.
	* stap.1.in: Document timer.jiffies(N) probe points.
	* testsuite/buildok/fourteen.stp: New test.

2005-08-19  Frank Ch. Eigler  <fche@elastic.org>

	* elaborate.cxx (find_var): Remove $pid/$tid builtin logic.

2005-08-19  Martin Hunt  <hunt@redhat.com>

	* stp_check.in: Remove stp-control.

2005-08-18  Roland McGrath  <roland@redhat.com>

	* loc2c.c (c_translate_addressof): Take TYPEDIE instead of TYPEATTR.
	* loc2c.h: Update decl.
	* loc2c-test.c (handle_variable): Handle DW_TAG_pointer_type target
	for fetch.

2005-08-18  Will Cohen  <wcohen@redhat.com>

	* stp_check.in: See if relayfs available filesystem.

2005-08-18  Roland McGrath  <roland@redhat.com>

	* loc2c.c (struct location): New member `emit_address'.
	(alloc_location): Initialize new member from ORIGIN.
	(location_from_address): New argument EMIT_ADDRESS.
	Initialize new member.
	(translate): Use LOC->emit_address hook to format DW_OP_addr constant.
	(location_relative): Die if DW_OP_addr is used.
	(default_emit_address): New function.
	(c_translate_location): New argument EMIT_ADDRESS, pass it down.
	Use default_emit_address if argument is null.
	* loc2c.h: Update decl.
	* loc2c-test.c (handle_variable): Update caller.
	* tapsets.cxx (dwflpp::literal_stmt_for_local): Update caller.
	(dwflpp::loc2c_emit_address): New static method.

2005-08-17  Roland McGrath  <roland@redhat.com>

	PR systemtap/1197
	* loc2c.c (struct location): New members `fail', `fail_arg'.
	(alloc_location): New function.  Initialize those members.
	(new_synthetic_loc, translate): Use that instead of obstack_alloc.
	(location_from_address, location_relative): Likewise.
	(FAIL): New macro.  Use it everywhere in place of `error'.
	(c_translate_location): Take new args FAIL, FAIL_ARG.
	* loc2c.h: Update declaration.
	* loc2c-test.c (fail): New function.
	(handle_variable): Pass it to c_translate_location.
	* tapsets.cxx (dwflpp::loc2c_error): New static method.
	(dwflpp::literal_stmt_for_local): Pass it to to c_translate_location.

	PR systemtap/1205, systemtap/1206
	* loc2c.c (c_translate_fetch): Take TYPEDIE instead of TYPEATTR.
	(c_translate_store): Likewise.
	* loc2c.h: Update decls.
	* loc2c-test.c (handle_variable): Update callers.
	Look up type, resolve typedefs, and check that it's DW_TAG_base_type.
	* tapsets.cxx (dwflpp::literal_stmt_for_local): Likewise.

	* loc2c.c (base_byte_size): Add assert on expected DIE tag.
	(c_translate_array, c_translate_pointer): Likewise.
	* loc2c.h: Amend comments to explicitly state type DIE tags expected.

	* loc2c.c: #include "loc2c.h".

2005-08-16  Frank Ch. Eigler  <fche@elastic.org>

	PR systemtap/1180
	* tapsets.cxx (*): Add more verbose-predicatation to informative
	messages.  Correct more hex/dec ostream mismatches.
	(query_function): Use entry/querypc, not prologue-end, for
	function().return and .statement() probe points.
	(dwarf_derived_probe ctor): Reorganize function/statement
	probe point regeneration.

2005-08-16  Frank Ch. Eigler  <fche@elastic.org>

	* main.cxx: Don't print library parse trees if last_pass=1.

2005-08-14  Roland McGrath  <roland@redhat.com>

	* systemtap.spec.in: Update elfutils_version requirement to 0.113;
	restore bundled_elfutils setting to 1.

2005-08-12  Graydon Hoare  <graydon@redhat.com>

	* translate.cxx (c_tmpcounter::visit_array_in): Implement.
	(c_unparser::visit_array_in): Likewise.
	(mapvar::exists): New method.

2005-08-12  Frank Ch. Eigler  <fche@elastic.org>

	PR systemtap/1122 et alii
	* parse.cxx (parse_literal): Parse and range-limit 64-bit numbers.
	(parse_unary): Correct precedence glitch.
	* staptree.h (literal_number): Store an int64_t.
	* staptree.cxx: Corresponding changes.
	* translate.cxx (check_dbz): Remove - insufficient.
	(emit_function): Define CONTEXT macro sibling for THIS.
	(c_typename): pe_long -> int64_t.
	(visit_literal_number): Format literal rigorously and uglily.
	(c_assignop, visit_binary_expression): Handle div/mod via new
	helper functions in runtime.
	* tapset/builtin_logging.stp: Add error, exit builtins.
	* testsuite/buildok/ten,eleven.stp: New tests.
	* testsuite/parse{ko,ok}/six.stp: Modify for larger numbers.
	* testsuite/transok/one.stp: Add more ";"s, maybe unnecessarily.

2005-08-11  Frank Ch. Eigler  <fche@elastic.org>

	* systemtap.spec.in: Tweak to turn into fedora-flavoured spec.
	Don't build/install runtime docs.

2005-08-11  Frank Ch. Eigler  <fche@elastic.org>

	* Makefile.am (uninstall-local): New target.
	* Makefile.in: Regenerate.

2005-08-11  Frank Ch. Eigler  <fche@elastic.org>

	* translate.cxx (emit_function): Add an extra { } around the
	function body visitation.
	* tapset/timestamp_functions.stp: New file.
	* tapset/builtin_conversions.stp: Aggregated from [hex]string.
	* tapset/builtin_logging.stp: Aggregated from log/warn/printk.

2005-08-11  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx: Tweak hex/decimal printing for consistency.
	(emit_registrations): Remove module-specific code, anticipating
	that libelf gives us run-time addresses already.

2005-08-10  Roland McGrath  <roland@redhat.com>

	* loc2c.c (emit_base_store): New function.
	(emit_bitfield): Rewritten to handle stores, change parameters.
	(c_translate_fetch): Update caller.
	(c_translate_store): New function.
	* loc2c.h: Declare it.
	* loc2c-test.c (handle_variable): Grok "=" last argument to do a store.

	* loc2c.c (c_translate_location): Increment INDENT.
	(c_translate_pointer): Likewise.
	(emit_loc_value): Increment INDENT after emit_header.

2005-08-10  Graydon Hoare  <graydon@redhat.com>

	* tapsets.cxx (dwflpp::literal_stmt_for_local): Copy code from
	loc2c-test to implement target member variable access.

2005-08-10  Graydon Hoare  <graydon@redhat.com>

	* tapsets.cxx
	(dwflpp::global_addr_of_line_in_cu): Implement next-line heuristic.
	(dwarf_query::get_number_param): Dwarf_Addr variant.
	(query_cu): Add line-selecting variant for function iteration.

2005-08-10  Frank Ch. Eigler  <fche@elastic.org>

	PR translator/1186
	* elaborate.cxx (resolve_2types): Accept a flag to tolerate unresolved
	expression types.
	(visit_functioncall): Call it thusly.
	* translate.cxx (emit_function): Tolerate void functions.
	* stap.1.in: Document possibility of void functions.
	* tapset/builtin_{log,printk,warn}.stp: Make these void functions.
	* testsuite/buildok/nine.stp, semok/eighteen.stp: New tests.

2005-08-10  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx: Correct hex/decimal misformatting of verbose messages.
	* main.cxx: Add formal "-h" and "-V" options.
	* stap.1.in: Document them.

2005-08-10  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx: Move around "focusing on ..." messages to print
	them only for matching functions/modules.
	(dwflpp ctor): Also add cu (source file) name to derived
	probe point.

2005-08-09  Graydon Hoare  <graydon@redhat.com>

	* testsuite/parseok/nine.stp: Update
	* testsuite/semok/{six,seven,eleven,seventeen}.stp: Update.

2005-08-09  Graydon Hoare  <graydon@redhat.com>

	* staptree.{cxx,h}
	(target_symbol): New struct.
	(*_visitor::visit_target_symbol): Support it.
	(visitor::active_lvalues)
	(visitor::is_active_lvalue)
	(visitor::push_active_lvalue)
	(visitor::pop_active_lvalue): Support lvalue-detection.
	(delete_statement::visit)
	(pre_crement::visit)
	(post_crement::visit)
	(assignment::visit): Push and pop lvalue expressions.
	* elaborate.{cxx,h}
	(lvalule_aware_traversing_visitor): Remove class.
	(no_map_mutation_during_iteration_check)
	(mutated_map_collector): Update lvalue logic.
	(typeresolution_info::visit_target_symbol): Add, throw error.
	* parse.{cxx,h}
	(tt2str)
	(tok_is)
	(parser::expect_*)
	(parser::peek_*): New helpers.
	(parser::parse_symbol): Rewrite, support target_symbols.
	* translate.cxx (c_unparser::visit_target_symbol): Implement.
	* tapsets.cxx (var_expanding_copy_visitor): Update lvalue logic,
	change visit_symbol to visit_target_symbol.

2005-08-09  Martin Hunt  <hunt@redhat.com>

	PR 1174
	* stp_check.in: Supply path for lsmod.
	* stp_check: Removed.

2005-08-09  Graydon Hoare  <graydon@redhat.com>

	* elaborate.cxx:
	(delete_statement_symresolution_info): New struct.
	(symresolution_info::visit_delete_statement): Use it.
	(delete_statement_typeresolution_info): New struct.
	(typeresolution_info::visit_delete_statement): Use it.
	(symresolution_info::find_var): Accept -1 as 'unknown' arity.
	* elaborate.h: Update to reflect changes in .cxx.
	* translate.cxx (mapvar::del): New method.
	(c_unparser::getmap): Check arity >= 1;
	(delete_statement_operand_visitor): New struct.
	(c_unparser::visit_delete_statement): Use it.
	* staptree.cxx (vardecl::set_arity): Accept and ignore -1.
	(vardecl::compatible_arity): Likewise.
	* testsuite/buildok/eight.stp: New test for 'delete' operator.

2005-08-08  Roland McGrath  <roland@redhat.com>

	* loc2c-test.c: New file.
	* Makefile.am (noinst_PROGRAMS): Add loc2c-test.
	(loc2c_test_SOURCES, loc2c_test_LDADD): New variables.
	* Makefile.in, aclocal.m4: Regenerated.

2005-08-08  Frank Ch. Eigler  <fche@elastic.org>

	* stap.1.in: Autoconfify old man page.
	* configure.ac: Make it so.
	* stap.1: Removed.
	* configure, Makefile.in, aclocal.m4: Regenerated.

2005-08-05  Frank Ch. Eigler  <fche@elastic.org>

	* runtest.sh: Keep around log files from crashed processes,
	those whose rc is neither 0 nor 1.

2005-08-05  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx (query_statement|function|cu|module): Add explicit
	nested try/catch, since elfutils iteration seems to block
	exception catching.

2005-08-05  Frank Ch. Eigler  <fche@elastic.org>

	PR translator/1175
	* translate.cxx (*): Added unlikely() markers to most emitted error
	checks.
	(mapvar::get,set): Handle NULL<->"" impedance mismatch.
	(itervar::get_key): Ditto.  Use base index=1 for keys.
	* testsuite/buildok/one.stp: Extend.  And it runs with -p5 too.
	* stap.1: Document use of ";" statament as mechanism for grammar
	ambiguity resolution.
	* stp_check.in: Set $prefix.
	* systemtap.spec.in: Prereq kernel-devel, kernel-debuginfo,
	and not tcl.
	* tapsets.cxx: Make slightly less verbose.

2005-08-03  Graydon Hoare  <graydon@redhat.com>

	* tapsets.cxx (dwflpp): Fix address calculation logic a bit,
	and use prologue-end addresses for function probes.

2005-08-03  Frank Ch. Eigler  <fche@redhat.com>

	* stap.1: More meat, all stub sections filled.
	* elaborate.cxx (visit_assignment): Add numerous missing cases.
	* parse.cxx: Parse ".=" operator.
	* testsuite/semok/sixteen.stp: Check them.
	* main.cxx (usage): Don't show incompletely supported options.

2005-08-03  Martin Hunt  <hunt@redhat.com>

	* stp_check.in : Copy sources to /var/cache/systemtap.
	* systemtap.spec.in: Install stp_check.
	* Makefile.am (install-exec-local): Install stp_check.

2005-08-03  Martin Hunt  <hunt@redhat.com>

	* configure.ac: Add stp_check to AC_CONFIG_FILES.
	* stp_check.in : New file.

2005-08-03  Frank Ch. Eigler  <fche@elastic.org>

	* README: Be more specific about prerequisites.
	* tapset/builtin_string.stp: New builtin.
	* testsuite/buildok/seven.stp, semko/eighteen.stp: New tests.

2005-08-03  Roland McGrath  <roland@redhat.com>

	* configure.ac, systemtap.spec.in: Version 0.2.1.
	* Makefile.in, aclocal.m4, configure: Regenerated.

2005-08-02  Roland McGrath  <roland@redhat.com>

	* loc2c.c (emit_bitfield): Return bool, value from emit_base_fetch.
	(c_translate_fetch): Update caller.
	(c_translate_pointer): Never ignore emit_base_fetch return value.

	* systemtap.spec.in (%install): Remove parameters after %makeinstall.

2005-08-02  Frank Ch. Eigler  <fche@elastic.org>

	* loc2.c (emit_loc_address): Emit interleaved declaration into
	its own nested { } block.
	* tapsets.cxx (literal_stmt_for_local): Emit deref_fault block
	unconditionally.
	* tapset/builtin_hexstring.stp: New builtin.
	* testsuite/buildok/six.stp: New test.

2005-08-02  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx (emit_registrations): Treat module_name="kernel"
	as if module_name="".

2005-08-01  Graydon Hoare  <graydon@redhat.com>

	* staptree.{cxx,h} (probe_point::component): Add a ctor.
	* tapsets.cxx (dwarf_derived_probe): Synthesize concrete
	probe_point for matched pattern.
	(dwarf_probe_type)
	(dwarf_query::add_kernel_probe)
	(dwarf_query::add_module_probe): Remove, they were noise.
	(dwflpp::module_name_matches): Don't call get_module_dwarf().

2005-08-01  Frank Ch. Eigler  <fche@elastic.org>

	* tapsets.cxx: Support ".return" option for function probe points.
	* testuite/buildok/five.stp: Try it.

2005-08-01  Frank Ch. Eigler  <fche@elastic.org>

	* elaborate.cxx (derive_probes, semantic_pass_symbols): Improve
	error message specificity.
	* translate.cxx (emit_module_init): Compact partial registration
	recovery code.
	(emit_module_exit): Invert deregistration sequence.
	* testsuite/buildok/four.stp: Some module() test case.

2005-08-01  Frank Ch. Eigler  <fche@elastic.org>

	* elaborate.cxx (derive_probes): Print error if results empty.
	* tapsets.cxx (dwflpp_assert): Handle positive RCs, which likely
	came from errno.
	(dwflpp::setup): Improve missing debug-info messages.
	* testsuite/semko/sixteen,seventeen.stp: New tests.
	* runtest.sh: Save stdout/stderr of FAIL/XPASS test cases.
	* Makefile.am (clean-local): Clean up testsuite/.
	* Makefile.in, aclocal.m4: Regenerated.

2005-07-29  Frank Ch. Eigler  <fche@redhat.com>

	From Graydon Hoare <graydon@redhat.com:
	* tapsets.cxx (var_expanding_copy_visitor): Correct lvalue cases.

2005-07-29  Frank Ch. Eigler  <fche@redhat.com>

	* Makefile.am: Make sure stpd goes into libexec/systemtap/
	* Makefile.in: Regenerated.

2005-07-29  Frank Ch. Eigler  <fche@redhat.com>

	* configure.ac: Fail configure stage if elfutils 0.111+ is not found.
	* Makefile.am, elaborate.cxx, tapsets.cxx: Unconditionalize.
	* configure, Makefile.in, config.in: Regenerated.

2005-07-29  Roland McGrath  <roland@redhat.com>

	* Version 0.2 distribution.

	* systemtap.spec.in: Include %{_datadir}/systemtap/tapset directory.
	(%check): Add section, run make check.
	* Makefile.am (EXTRA_DIST): Add runtest.sh.
	* Makefile.in: Regenerated.

	* systemtap.spec.in: Include man pages.
	* Makefile.am (man_MANS): Renamed to dist_man_MANS.

	* configure.ac: Add AM_CONDITIONAL definition of HAVE_LIBDW.
	* Makefile.am [HAVE_LIBDW] (stap_SOURCES_libdw): New variable.
	(stap_SOURCES): Use it, moving loc2c.c there.
	* configure, config.in: Regenerated.

	* tapsets.cxx: <libdw.h> -> <elfutils/libdw.h>
	* loc2c.c, loc2c.h: Likewise.

	* main.cxx (main): Check return value of system.

	* systemtap.spec.in (LDFLAGS): Punt using $ORIGIN here, just hard-code
	%{_libdir}.
	(elfutils_version): Bump to 0.111.
	[bundled_elfutils]: Don't massage libdwfl.h header any more.

	* configure.ac: Don't check for libelf.h, not actually #include'd.
	Update -ldw check for merged libdwfl+libdw.
	(stap_LIBS): New substituted variable.  Set only this, not LIBS,
	with -ldw check.
	* Makefile.am (stap_LDADD): New variable, use @stap_LIBS@.

	* Makefile.am (AM_CPPFLAGS): Use ${pkgdatadir}.
	(AM_CFLAGS): Use -W instead of -Wextra, for gcc 3 compatibility.
	(stpd_LDFLAGS): Variable removed.
	(AM_MAKEFLAGS): Variable removed.

2005-07-28  Frank Ch. Eigler  <fche@elastic.org>

	* elaborate.cxx (find_var): Correct array dereferencing thinko.

2005-07-28  Graydon Hoare  <graydon@redhat.com>

	* elaborate.cxx (derived_probe::derived_probe): Accept NULL probe.
	* staptree.cxx (provide, require): Move from here...
	* staptree.h: to here, and virtualize deep-copy methods.
	* translate.cxx
	(c_unparser::emit_common_header): Include loc2c-runtime.h
	* tapsets.cxx
	(dwflpp::iterate_over_modules): Use new, faster getmodules loop.
	(dwflpp::literal_stmt_for_local): New method, call loc2c.
	(var_expanding_copy_visitor): New struct which expands $-vars.
	(dwarf_derived_probe): Rebuild this->body using var expander.
	(query_function): Refactor logic a bit for speed.
	* loc2c.{c,h}: Copies (with minor changes) of Roland's work
	from elfutils CVS.
	* Makefile.am (AM_CFLAGS): Set to elfutils-style.
	(stap_SOURCES): Add loc2c.c.
	* Makefile.in: Regenerate.

2005-07-28  Frank Ch. Eigler  <fche@redhat.com>

	* stap.1: Beginnings of a man page.
	* Makefile.am: Install it.  Comment out stpd LDADD goodies.
	* configure.ac: Futilely complain about non-stpd LIBS.
	* Makefile.in, configure.in: Regenerated.
	* main.cxx (usage): Remove ARGS from help text, as nothing is
	done with these yet.

2005-07-28  Frank Ch. Eigler  <fche@redhat.com>

	* translate.cxx: Add "pt_regs*" field to context.
	* tapsets.cxx (*): Correct kprobes API interface.
	* testsuite/buildok/three.stp: New test, copied from semok.
	* Makefile.am (install-data-local): Also install runtime/relayfs,
	so scripts can build against headers located thereunder.
	* Makefile.in: Regenerated.

2005-07-28  Frank Ch. Eigler  <fche@redhat.com>

	translator/1120
	* main.cxx (main): Preset -R and -I options from environment
	variables (if set).  Pass guru mode flags to parser.
	* parse.cxx (privileged): New parser operation flag.  Update callers.
	(parse_embeddedcode): Throw an error if !privileged.
	(parse_functiondecl): Change signature.  Prevent duplicates.
	(parse_globals): Ditto.
	* parse.h: Corresponding changes.
	* tapset/*.stp: Beginnings of real tapset library, to replace
	previous builtins.
	* tapsets.cxx: Greatly reduce verbose mode output.
	* Makefile.am: Install & dist it.
	* runtest.sh: Refer to it.
	* Makefile.in, aclocal.m4: Regenerated.
	* testsuite/*/*.stp: Set guru mode via /bin/sh if needed.
	* testusite/*/*ko.stp: Homogenize shell scripts.

2005-07-28  Frank Ch. Eigler  <fche@redhat.com>

	translator/1120
	translator/1123
	* elaborate.cxx (semantic_pass_symbols): Print a more helpful
	error message around exceptions.
	* elaborate.h (systemtap_session): Add guru_mode field.
	* main.cxx (main): Initialize it to false.  Add version-sensitive
	script library searching.  Add more failure messages.
	* tapsets.cxx (dwflpp_assert): Add a decorative text parameter.
	Update callers.

2005-07-28  Martin Hunt  <hunt@redhat.com>

	* Makefile.am (install-data-local): Add runtime/transport.
	* Makefile.in: regenerated.

2005-07-26  Graydon Hoare  <graydon@redhat.com>

	* elaborate.cxx: Revert builtin-function code.
	* translate.cxx: Likewise.
	* tapsets.{h,cxx}: Likewise.

2005-07-26  Martin Hunt  <hunt@redhat.com>

	* buildrun.cxx (compile_pass): Add -Wno-unused to CFLAGS because
	usually a module doesn't use every function in the runtime.

2005-07-26  Martin Hunt  <hunt@redhat.com>

	* Makefile.am (stpd_LDFLAGS): Set rpath correclty because otherwise
	automake doesn't seem to get it right when binaries are in libexec
	subdirs.
	(AM_CPPFLAGS): revert.
	* systemtap.spec.in (LDFLAGS): Set libexecdir here instead.

2005-07-26  Frank Ch. Eigler  <fche@redhat.com>

	Support %{ embedded-c %}
	* staptree.h (embeddedcode): New statement subtype.  Stub support in
	visitors.
	* staptree.cxx: Ditto.
	* parse.cxx: Parse %{ / %}.  Accept "_" as identifier leading char.
	(parse_probe): Simplify calling convention.
	* elaborate.h: Store embedded code.
	* elaborate.cxx: Pass it.
	* translate.cxx: Transcribe it.  Return some dropped module init/exit
	code.
	* Makefile.am: Add buildok/buildko tests.
	* Makefile.in: Regenerated.
	* main.cxx: Return EXIT_SUCCESS/FAILURE even for weird rc.
	* testsuite/parseok/nine.stp: Test _identifiers.
	* testsuite/transko/*.stp: Tweak to force -p3 rather than -p2 errors.
	* testsuite/semok/transko.stp: ... and keep it that way in the future.
	* testsuite/parse*/*: Some new tests for %{ %}.
	* testsuite/build*/*: New tests for -p4.

2005-07-26  Martin Hunt  <hunt@redhat.com>

	* Makefile.am (AM_CPPFLAGS): Set PKGLIBDIR correctly.

2005-07-26  Martin Hunt  <hunt@redhat.com>
	* systemtap.spec.in: Stpd goes in libexec/systemtap.
	* Makefile.am (libexecdir): Set to libexecdir/systemtap.
	* aclocal.m4, Makefile.in: Regenerated

2005-07-25  Roland McGrath  <roland@redhat.com>

	* configure.ac: Don't define PKGLIBDIR and PKGDATADIR here.
	* Makefile.am (AM_CPPFLAGS): New variable, use -D here instead.
	(dist-hook): Don't remove ChangeLog files.
	(install-data-local): Don't install docs, just runtime stuff.
	(rpm, clean-local): Use make variables instead of @substitution@s.
	* configure, config.in, aclocal.m4, Makefile.in: Regenerated

2005-07-22  Graydon Hoare  <graydon@redhat.com>

	* translate.cxx (itervar): New class.
	(*::visit_foreach_loop): Implement.
	Various bug fixes.
	* staptree.cxx (deep_copy_visitor::*): Copy tok fields.
	* elaborate.cxx (lvalue_aware_traversing_visitor):
	(mutated_map_collector):
	(no_map_mutation_during_iteration_check): New classes.
	(semantic_pass_maps): New function to check map usage.
	(semantic_pass): Call it.
	* testsuite/transok/eight.stp: Test 'foreach' loop translation.
	* testsuite/semko/{thirteen,fourteen,fifteen}.stp:
	Test prohibited forms of foreach loops.

2005-07-21  Martin Hunt  <hunt@redhat.com>

	* Makefile.am (EXTRA_DIST): Add systemtap.spec.
	(install-data-local): Install docs and probes.
	(docs): New target.
	(rpm): New target.

	* configure.ac: Set initial version to 0.1.1.
	(pkglibdir): Set to libexec.

	* Makefile.in: Regenerated.

2005-07-20  Graydon Hoare  <graydon@redhat.com>

	* elaborate.{cxx,h} (find_array): Remove.
	(find_scalar): Rename to find_var, add array support.
	* staptree.{cxx,h} (vardecl::compatible_arity): New method.
	* translate.cxx: Refactor, add array read/write support.
	* testsuite/transok/three.stp: Uncomment array uses.
	* testsuite/transok/seven.stp: New test of array r/w.

2005-07-20  Frank Ch. Eigler  <fche@redhat.com>

	* tapsets.cxx (*::emit_[de]registrations): Add logic for probe
	lifecycle control (session_state).
	* translate.cxx (emit_common_header,emit_module_{init,exit}): Ditto.
	(visit_*): Use per-context errorcount.

2005-07-19  Frank Ch. Eigler  <fche@redhat.com>

	* Makefile.am (dist-hook): Complete the resulting tarball.
	* Makefile.in: Regenerated.

2005-07-19  Frank Ch. Eigler  <fche@redhat.com>

	* translate.cxx (emit_module_init/exit, translate_pass): Conform
	to newer runtime startup/shutdown hooks.

2005-07-15  Frank Ch. Eigler  <fche@redhat.com>

	* Makefile.am (install-data-local): Correct typo.
	* buildrun.cxx (compile_pass): Ditto.
	* main.cxx (main): Print errors if passes 4 or 5 fail.

2005-07-14  Frank Ch. Eigler  <fche@redhat.com>

	* buildrun.cxx (compile_pass, run_pass): Get closer to a working
	test_mode.
	* translate.cxx (emit_module_init, emit_common_header): Ditto.
	(translate_pass): Ditto.

2005-07-14  Frank Ch. Eigler  <fche@redhat.com>

	* Makefile.am (stpd): Install in $pkglibdir.
	(runtime): Copy to $pkgdatadir.
	* configure.ac: Pass along pkgdatadir and pkglibdir.
	* main.cxx: Default runtime_path from pkgdatadir.
	* buildrun.cxx (run_pass): Correct stpd directory.
	* Makefile.in, configure, config.in: Regenerated.

2005-07-12  Graydon Hoare  <graydon@redhat.com>

	* elaborate.cxx
	(semantic_pass_symbols): Only enter body if non-null.
	(semantic_pass_types): Likewise.
	(semantic_pass): Pass session to register_standard_tapsets.
	* translate.cxx
	(builtin_collector): New struct.
	(hookup_builtins): New function.
	(translate_pass): Only translate functions with bodies.
	(c_unparser::emit_common_header): Likewise, and call hookup_builtins.
	* tapsets.hh (builtin_function): New class.
	(register_standard_tapsets): Change parameter to session.
	* tapsets.cc (bultin_function::*): Implement class.
	(register_standard_tapsets): Register printk, log, warn.
	* testsuite/transok/six.stp: New test.

2005-07-12  Frank Ch. Eigler  <fche@redhat.com>

	* buildrun.cxx (compile_pass): Make non-verbose mode quieter.
	(run_pass): Spawn stpd for dirty work.
	* Makefile.am: Also build stpd into libexecdir.
	* configure.ac: Pass LIBEXECDIR.
	* Makefile.in, configure, config.in: Regenerated.
	* AUTHORS: Update.

2005-07-11  Graydon Hoare  <graydon@redhat.com>

	* staptree.cxx (require): Generally handle null pointers in src.
	(deep_copy_visitor::visit_if_statement): Revert fche's change.

2005-07-11  Frank Ch. Eigler  <fche@redhat.com>

	* parse.cxx (parse_literal): Compile cleanly on 64-bit host.
	* staptree.cxx (deep_copy_visitor::visit_if_statement): Don't
	freak on a null if_statement.elseblock.

2005-07-07  Graydon Hoare  <graydon@redhat.com>

	* staptree.{h,cxx} (deep_copy_visitor): New visitor.
	* elaborate.cxx
	(derived_probe::derived_probe):
	(alias_expansion_builder::build): Use it.
	* testsuite/semok/fifteen.stp: New test which relies on deep copy.

2005-07-07  Frank Ch. Eigler  <fche@redhat.com>

	* Makefile.am (dist): Package up the source tree, including
	testsuite and runtime.
	* main.cxx: Use clog instead of cerr for logging messages.
	* buildrun.cxx: Ditto.
	(compile_pass): Add -Iruntime/user for test mode.
	* translate.cxx (*): Commonalize test/real mode output.
	* Makefile.in: Regenerated.

2005-07-05  Graydon Hoare  <graydon@redhat.com>

	* elaborate.{h,cxx}: Revert previous changes.
	* tapsets.{h,cxx}: Adapt to verbose as a member of session.
	* elaborate.cxx (alias_expansion_builder::build): Avoid copying
	locals between alias definition and use.
	* testsuite/semok/{twelve,thirteen,fourteen}.stp: New tests.
	* staptree.cxx (probe_alias::printsig): Print equals sign.

2005-07-05  Frank Ch. Eigler  <fche@redhat.com>

	* elaborate.h (systemtap_session): Add more command-line arguments.
	* staptree.h (verbose): Bad global, no donut.
	* elaborate.cxx: Temporarily disable verbose variable access.
	* main.cxx: Support more arguments, build/run passes.  Revamp
	temporary file generation and partial-pass output generation.
	* tapsets.cxx, translate.cxx: Emit just enough extra punctuation
	and fluff to make generated probe pass -Werror.
	* buildrun.cxx, buildrun.h: New files for passes 4/5.  Partial
	support for build pass, nothing on probe execution yet.
	* testsuite/transok/*.stp: Force just -p3, now that -p4/5 exist.
	* Makefile.am, Makefile.in: Corresponding changes.

2005-07-04  Graydon Hoare  <graydon@redhat.com>

	* elaborate.h (symresolution_info::current_derived_probe): New field.
	(symresolution_info::current_probe): Change type.
	* elaborate.cxx (semantic_pass_symbols): Add passes for resolving
	locals in pre-derivation base probes and pre-expansion aliases.
	(symresolution_info::visit_symbol):
	(symresolution_info::find_scalar): Update to match new field.

2005-06-27  Graydon Hoare  <graydon@redhat.com>

	* staptree.{h,cxx} (probe_alias): New structure.
	* parse.{h,cxx} (parser::parse): Parse probes or probe aliases.
	(parser::parse_probe): Likewise.
	* tapsets.{h,cxx}:
	(derived_probe_builder):
	(match_key):
	(match_node):
	(alias_derived_probe): Move from here,
	* elaborate.{h,cxx}: to here.
	* elaborate.h (systemtap_session::pattern_root): New member.
	(register_library_aliases): New function.
	* tapsets.cxx: Build one dwarf_derived_probe per target address.

2005-06-23  Graydon Hoare  <graydon@redhat.com>

	* tapsets.cxx
	(probe_type): New enum.
	(probe_spec): New struct.
	(dwarf_derived_probe): Reorganize a bit, interpret .return.
	(query_statement): Translate addresses back to module space.
	(probe_entry_function_name):
	(probe_entry_struct_kprobe_name):
	(foreach_dwarf_probe_entry):
	(declare_dwarf_kernel_entry):
	(deregister_dwarf_kernel_entry):
	(register_dwarf_kernel_entry):
	(register_dwarf_module):
	(declare_dwarf_module_entry):
	(deregister_dwarf_module_entry):
	(register_dwarf_module_entry): New functions.
	(dwarf_derived_probes::emit_probe_entries):
	(dwarf_derived_probes::emit_registrations):
	(dwarf_derived_probes::emit_deregistrations): Implement.

2005-06-21  Frank Ch. Eigler  <fche@redhat.com>

	* config.in, configure: Regenerated.
	* tapsets.cxx: Make dwarf code conditional on new elfutils header.

2005-06-20  Graydon Hoare  <graydon@redhat.com>

	* configure.ac: Scan for libdwfl.
	* staptree.h (verbose): New global.
	* main.cxx (usage, main): Implement -v option.
	* tapsets.cxx (dwflpp): New struct.
	(query_statement): New function.
	(query_function): New function.
	(query_cu): New function.
	(query_module): New function.
	(dwarf_derived_probe): Implement primary forms.

2005-06-14  Graydon Hoare  <graydon@redhat.com>

	* tapsets.h: New file.
	(derived_probe_builder): Callback for making derived probes.
	(match_key): Component of pattern-matching tree.
	(match_node): Other component of pattern-matching tree.
	* tapsets.cxx: Add pattern-matching system for probes.
	(alias_derived_probe): Skeleton for alias probes.
	(dwarf_derived_probe): Skeleton for dwarf probes.
	(register_standard_tapsets): Registry for standard tapsets.

2005-06-13  Frank Ch. Eigler  <fche@redhat.com>

	Start separating out translator-side probe point recognition.
	* tapsets.cxx: New file.
	(be_derived_probe): Support for begin/end probes.
	(derive_probe): Ditto.  Reject anything unrecognized.
	* translator.cxx: Move out old code.
	* Makefile.am: Add new source file.
	* testsuite/semok/*: Switch to begin/end probes only.

2005-06-08  Frank Ch. Eigler  <fche@redhat.com>

	systemtap/916
	Implement all basic scalar operators, including modify-assignment.
	* parse.cxx (lexer): Allow multi-character lookahead in order to
	scan 1/2/3-character operators.
	(parse_boolean_or/and/xor/shift): New routines.
	* translate.cxx (visit_assignment, visit_binary_expression,
	visit_*_crement): Generally rewrote.
	(visit_*): Added more parentheses in output.
	(emit_module_init): Initialize globals.
	* staptree.h, elaborate.cxx, elaborate.h: Remove exponentiation.
	* main.cxx (main): Add an end-of-line to output file.
	* testsuite/*: Several new tests.

2005-06-05  Frank Ch. Eigler  <fche@elastic.org>

	Implement for/next/continue/break/while statements.
	* staptree.h: Declare new 0-arity statement types.  Tweak for_loop.
	* parse.cxx: Parse them all.
	* translate.cxx (c_unparser): Maintain break/continue label stack.
	(visit_for_loop, *_statement): New implementations.
	* elaborate.*, staptree.cxx: Mechanical changes.
	* testsuite/parseok/ten.stp, semko/twelve.stp, transko/two.stp,
	transok/five.stp: New tests.

2005-06-03  Frank Ch. Eigler  <fche@elastic.org>

	* elaborate.cxx (find_*): Remove arity checks from here ...
	* staptree.cxx (set_arity): Put arity match assertion here.
	* testsuite/semko/{six,nine}.stp: Confirm logic.
	* testsuite/transko/one.stp: First translation-time ko test.

2005-06-03  Frank Ch. Eigler  <fche@redhat.com>

	* TODO: Removed entries already represented in bugzilla.
	* elaborate.cxx: Rewrite type inference for several operators.
	* main.cxx (main): For -p2 runs, print types of function/probe locals.
	* parse.cxx (scan): Identify more two-character operators.
	(parse_comparison): Support the whole suite.
	* translate.cxx (visit_unary_expression, logical_or_expr,
	logical_and_expr, comparison,ternary_expression): New support.
	* testsuite/parseok/semok.stp: Clever new test.
	* testsuite/transok/four.stp: New test.
	* testsuite/*: Some tweaked tests for syntax changes.

2005-06-03  Frank Ch. Eigler  <fche@redhat.com>

	* parse.cxx (scan): Support C and C++ comment styles.
	* testsuite/parseok/four.stp: Test them some ...
	* testsuite/parseko/nine.stp: ... and some more.

2005-06-02  Frank Ch. Eigler  <fche@redhat.com>

	* translate.cxx (visit_concatenation, visit_binary_expression):
	New basic implementation.
	(*): Reduce emitted whitespace and remove `# LINE "FILE"' lines.

2005-06-02  Frank Ch. Eigler  <fche@redhat.com>

	Parse foreach construct.  Added fuller copyright notices throughout.
	* staptree.h (foreach_loop): New tree node type.
	* staptree.cxx: Print it, visit it, love it, leave it.
	* parse.cxx: Parse it.
	(parse_stmt_block): Don't require ";" separators between statements.
	(parse_array_in): Use [] as index group operator instead of ().
	* elaborate.cxx (visit_foreach_loop): New code.
	* translate.cxx: Slightly tighten errorcount/actioncount handling.
	* main.cxx: Accept "-" as script file name standing for stdin.
	(visit_arrayindex): Switch to simpler set_arity call.
	* configure.ac: Generate DATE macro.
	* Makefile.in, configure, config.in: Regenerated.
	* testsuite/*: New/updated tests for syntax changes, foreach ().

2005-05-30  Frank Ch. Eigler  <fche@redhat.com>

	More fully parse & elaborate "expr in array" construct.
	* staptree.h (array_in): Make this unary.  Update .cxx to match.
	* parse.cxx (parse_array_in): Rewrite.
	(parse_symbol_plain): Removed.  Update .h to match.
	* elaborate.cxx (typeresolution_info::visit_array_in): New function.
	(find_array): Tentatively, accept arity=0.
	* translate.cxx (c_unparser::c_assign): New functions to eliminate
	much ugly duplication.  Use throughout.
	(visit_symbol): Correct function formal argument search.
	(c_tmpcounter*::visit): Add missing recursion in several functions.
	* testsuite/*: Add new tests for array-in construct.  Add the
	first "transok" test.
	* Makefile.am: Add transok tests.
	* Makefile.in: Regenerated.

2005-05-26  Frank Ch. Eigler  <fche@redhat.com>

	* translate.cxx: Traverse trees just for common-header generation,
	to emit explicit temp variables into context.  Switch to explicit
	"frame" pointer in generated function/probe bodies.  Initialize
	locals in function bodies.  Rename "test_unparser" to "c_unparser"
	throughout.

2005-05-24  Frank Ch. Eigler  <fche@redhat.com>

	* elaborate.cxx (find_array): Support automagic tapset globals.
	* testsuite/semok/nine.stp: Test it.
	* staptree.cxx (stapfile print): List globals.

2005-05-24  Frank Ch. Eigler  <fche@redhat.com>

	* testsuite/semlib/*: New tapset library chunks for "-I" testing.
	* testsuite/semok/eight.stp, nine.stp: New tests.

2005-05-22  Frank Ch. Eigler  <fche@elastic.org>

	* Makefile.am (gcov): New target to generate test-coverage data from
	a testsuite run.
	* Makefile.in: Regenerated.

2005-05-20  Frank Ch. Eigler  <fche@redhat.com>

	Many changes throughout.  Partial sketch of translation output.
	* elaborate.*: Elaboration pass.
	* translate.*: Translation pass.
	* staptree.*: Simplified for visitor concept.
	* main.cxx: Translator mainline.
	* *test.cxx: Removed.
	* testsuite/*: Some new tests, some changed for newer syntax.

2005-05-05  Frank Ch. Eigler  <fche@redhat.com>

	* parse.cxx (parse): Add helper methods.
	(lexer::scan, parse_assignment): Parse "<<<" operator.  Fix assignment
	associativity.
	(parse_symbol): Permit function with empty arg list.
	(parse_global, parse_statement, parse_functiondecl): Expect
	unconsumed leading keyword.
	(parse_global): Don't use ";" termination.
	* parse.h: Corresponding changes.
	* staptree.cxx (binary_expression::resolve_types): Fix <<<
	type inference.
	(translator_output): Improve pretty-printing.
	(*): Add general visitors to statement/expression types.
	* staptree.h: Corresponding changes.  Tweak symresolution_info fields.
	Add semantic_error class.
	* semtest.cxx: Adapt to this.
	* testsuite/parseok/two.stp, semok/*.stp: Adapt to syntax changes.

2005-03-15  Frank Ch. Eigler  <fche@redhat.com>

	* semtest.cxx: Print probe signatures properly.
	* staptree.cxx (probe::printsig): New function.

2005-03-15  Frank Ch. Eigler  <fche@redhat.com>

	* TODO: New file.  Include some probe-point-provider syntax examples.
	* parse.cxx (lexer::scan, parser::parse_literal): Support hex, octal
	numbers via strtol.
	(parse_probe, parse_probe_point): Modify for dotted syntax.
	* staptree.cxx: Ditto.
	* parsetest.cxx, semtest.cxx: Print parse/sem results even if
	.stp files were given on command line.
	* parse.h, staptree.h: Rename probe_point_spec -> probe_point.
	* runtest.sh: New test-runner front-end script.
	* Makefile.am: Use it for TESTS_ENVIRONMENT.
	* testsuite/*: Update probe point syntax.  Add a bunch of new tests.

2005-03-04  Frank Ch. Eigler  <fche@redhat.com>

	* parse.cxx (scan): Support '$' characters in identifiers.
	(parse_symbol): Support thread-> / process-> shorthand.
	* staptree.cxx (symresolution_info::find): Split up into
	find_scalar, find_array, find_function.
	(resolve_symbols): Call the above for symbol/arrayindex/functioncall.
	(find_scalar): Add stub support for synthetic builtin variables.
	* staptree.h: Corresponding changes.
	* testsuite/*: Some new tests.

2005-03-03  Frank Ch. Eigler  <fche@redhat.com>

	* parse.cxx (parse_assignment): Assert lvalueness of left
	operand.
	* staptree.h (expression): Add is_lvalue member.
	* staptree.cxx (functioncall::resolve_types): Don't crash on
	formal-vs-actual argument count mismatch.
	(*): Add some is_lvalue stub functions.
	* testsuite/*: Some new tests.

2005-03-01  Frank Ch. Eigler  <fche@redhat.com>

	* parse.cxx: Implement left-associativity for several types of
	operators.  Add some more statement types.  Parse functions.
	Be able to print tokens.  Simplify error generating functions.
	Save tokens in all parse tree nodes.
	* parse.h: Corresponding changes.
	* staptree.cxx: Move tree-printing functions here.  Add many
	new functions for symbol and type resolution.
	* staptree.h: Corresponding changes.
	* semtest.cxx: New semantic analysis pass & test driver.
	* testsuite/sem*/*: New tests.
	* parsetest.cxx: Separated parse test driver.
	* testsuite/parse*/*: Adapt tests to parsetest driver.
	* Makefile.am: Build semtest.  Run its tests.
	* Makefile.in: Regenerated.

2005-02-11  Frank Ch. Eigler  <fche@redhat.com>

	* parse.cxx, parse.h: New files: parser.
	* staptree.h: New file: semantic object declarations.
	* staptree.cxx: New dummy driver file.