gprofng: a new GNU profiler

top-level
	* Makefile.def: Add gprofng module.
	* configure.ac: Add --enable-gprofng option.
	* src-release.sh: Add gprofng.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* gprofng: New directory.

binutils
	* MAINTAINERS: Add gprofng maintainer.
	* README-how-to-make-a-release: Add gprofng.

include.
	* collectorAPI.h: New file.
	* libcollector.h: New file.
	* libfcollector.h: New file.

3 files changed, 946 insertions, 0 deletions

diff --git a/gprofng/gp-display-html/Makefile.am b/gprofng/gp-display-html/Makefile.am
new file mode 100644
index 0000000..7fc27d1
--- /dev/null
+++ b/gprofng/gp-display-html/Makefile.am
@@ -0,0 +1,60 @@
+## Process this file with automake to generate Makefile.in
+#
+#   Copyright (C) 2021 Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+AUTOMAKE_OPTIONS = foreign
+ACLOCAL_AMFLAGS = -I . -I .. -I ../.. 
+
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+MAINTAINERCLEANFILES = $(dist_man_MANS)
+
+do_subst = sed -e 's/BINUTILS_VERSION/$(VERSION)/'
+
+gp-display-html: gp-display-html.in Makefile
+	$(do_subst) < $(srcdir)/gp-display-html.in > $@
+	chmod +x $@
+
+if BUILD_MAN
+
+# Use this if the man pages depend on the version number. 
+# common_mandeps = $(top_srcdir)/../bfd/version.m4
+#
+# Also change the dependence line below to this:
+# gp-display-html.1: $(common_mandeps) gp-display-html
+#
+# Currently, the version number shown in the man page is derived from
+# the output printed with --version.
+
+# These variables are used by help2man to generate the man pages.
+
+INFO_PAGE             = "gprofng"
+MANUAL                = "User Commands"
+TEXT_GP_DISPLAY_HTML  = "generate an HTML based directory structure to browse the profiles"
+
+HELP2MAN_OPT = --libtool --no-info --info-page=$(INFO_PAGE) --manual=$(MANUAL)
+H2M_FILTER = | sed 's/\.TP/\.TP\n.B/' | sed 's/Commands:/\.SH COMMANDS/' \
+  | sed 's/See also:/\.SH SEE ALSO/' | sed 's/Documentation:/.SH DOCUMENTATION/' \
+  | sed 's/Limitations:/.SH LIMITATIONS/'
+
+gp-display-html.1: gp-display-html
+	$(AM_V_GEN)_BUILDING_MANPAGE=1 $(HELP2MAN) $(HELP2MAN_OPT) \
+	  --name=$(TEXT_GP_DISPLAY_HTML) ./gp-display-html $(H2M_FILTER) > $@
+
+endif
+
diff --git a/gprofng/gp-display-html/Makefile.in b/gprofng/gp-display-html/Makefile.in
new file mode 100644
index 0000000..10f59ee
--- /dev/null
+++ b/gprofng/gp-display-html/Makefile.in
@@ -0,0 +1,630 @@
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+	  fi; \
+	done; \
+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man1dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man1dir)" || exit $$?; }; \
+	done; }
+
+uninstall-man1:
+	@$(NORMAL_UNINSTALL)
+	@list=''; test -n "$(man1dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	l2='$(dist_man_MANS)'; for i in $$l2; do echo "$$i"; done | \
+	  sed -n '/\.1[a-z]*$$/p'; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^1][0-9a-z]*$$,1,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	dir='$(DESTDIR)$(man1dir)'; $(am__uninstall_files_from_dir)
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(SCRIPTS) $(MANS)
+installdirs:
+	for dir in "$(DESTDIR)$(bindir)" "$(DESTDIR)$(man1dir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-man
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-binSCRIPTS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man: install-man1
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binSCRIPTS uninstall-man
+
+uninstall-man: uninstall-man1
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+	cscopelist-am ctags-am distclean distclean-generic \
+	distclean-libtool distdir dvi dvi-am html html-am info info-am \
+	install install-am install-binSCRIPTS install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-man1 install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \
+	uninstall-am uninstall-binSCRIPTS uninstall-man uninstall-man1
+
+.PRECIOUS: Makefile
+
+
+gp-display-html: gp-display-html.in Makefile
+	$(do_subst) < $(srcdir)/gp-display-html.in > $@
+	chmod +x $@
+
+@BUILD_MAN_TRUE@gp-display-html.1: gp-display-html
+@BUILD_MAN_TRUE@	$(AM_V_GEN)_BUILDING_MANPAGE=1 $(HELP2MAN) $(HELP2MAN_OPT) \
+@BUILD_MAN_TRUE@	  --name=$(TEXT_GP_DISPLAY_HTML) ./gp-display-html $(H2M_FILTER) > $@
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/gprofng/gp-display-html/gp-display-html.in b/gprofng/gp-display-html/gp-display-html.in
new file mode 100644
index 0000000..f8fbc24
--- /dev/null
+++ b/gprofng/gp-display-html/gp-display-html.in
@@ -0,0 +1,256 @@
+#!/usr/bin/perl
+
+#   Copyright (C) 2021 Free Software Foundation, Inc.
+#   Contributed by Oracle.
+#
+#   This file is part of GNU Binutils.
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 3, or (at your option)
+#   any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software
+#   Foundation, 51 Franklin Street - Fifth Floor, Boston,
+#   MA 02110-1301, USA.
+ 
+#------------------------------------------------------------------------------
+# gp-display-html, last updated July 2021
+#
+# NOTE: This is a skeleton version. The real code will follow as an update.
+#------------------------------------------------------------------------------
+
+use strict;
+use warnings;
+
+#------------------------------------------------------------------------------
+# Poor man's version of a boolean.
+#------------------------------------------------------------------------------
+my $TRUE    = 1;
+my $FALSE   = 0;
+
+#-------------------------------------------------------------------------------
+# Define the driver command, tool name and version number.
+#-------------------------------------------------------------------------------
+my $driver_cmd       = "gprofng display html";
+my $tool_name        = "gp-display-html";
+my $binutils_version = "BINUTILS_VERSION";
+my $version_info     = $tool_name . " GNU binutils version " . $binutils_version;
+
+#------------------------------------------------------------------------------
+# This is cosmetic, but helps with the scoping of variables.
+#------------------------------------------------------------------------------
+
+  main ();
+
+  exit (0);
+
+#------------------------------------------------------------------------------
+#                             THE SUBROUTINES
+#------------------------------------------------------------------------------
+
+#------------------------------------------------------------------------------
+# This is the driver part of the program.
+#------------------------------------------------------------------------------
+sub
+main
+{
+  my $subr_name = "main";
+  my $ignore_value; 
+
+#------------------------------------------------------------------------------
+# If no options are given, print the help info and exit.
+#------------------------------------------------------------------------------
+  $ignore_value = early_scan_specific_options();
+
+  $ignore_value = be_patient (); 
+
+  return (0);
+
+} #-- End of subroutine main
+
+sub
+be_patient
+{
+  print "Functionality not implemented yet - please stay tuned for updates\n";
+
+} #-- End of subroutine be_patient
+
+#------------------------------------------------------------------------------
+# Prints the version number and license information.
+#------------------------------------------------------------------------------
+sub 
+print_version_info 
+{
+  print "$version_info\n";
+  print "Copyright (C) 2021 Free Software Foundation, Inc.\n";
+  print "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.\n";
+  print "This is free software: you are free to change and redistribute it.\n";
+  print "There is NO WARRANTY, to the extent permitted by law.\n";
+
+  return (0);
+
+} #-- End of subroutine print_version_info
+
+#-------------------------------------------------------------------------------
+# Print the help overview
+#-------------------------------------------------------------------------------
+sub 
+print_help_info 
+{
+  print
+    "Usage: $driver_cmd [OPTION(S)] EXPERIMENT(S)\n".
+    "\n".
+    "Process one or more experiments to generate a directory containing an index.html\n".
+    "file that can be used to browse the experiment data\n".
+    "\n".
+    "Options:\n".
+    "\n".
+    " --help              print usage information and exit.\n".
+    " --version           print the version number and exit.\n".
+    " --verbose {on|off}  enable (on) or disable (off) verbose mode; the default is \"off\".\n".
+    "\n".
+    "\n".
+    " -o, --output <dir-name>  use <dir-name> to store the results in; the default\n".
+    "                           name is ./display.<n>.html with <n> the first number\n".
+    "                           not in use; an existing directory is not overwritten.\n".
+    "\n".
+    " -O, --overwrite <dir-name>  use <dir-name> to store the results in and overwrite\n".
+    "                              any existing directory with the same name; make sure\n".
+    "                              that umask is set to the correct access permissions.\n".
+    "\n".
+    " -fl, --func_limit <limit>  impose a limit on the number of functions processed;\n".
+    "                             this is an integer number; set to 0 to process all\n".
+    "                             functions; the default value is 100.\n".
+    "\n".
+    "  -ct, --calltree {on|off}  enable or disable an html page with a call tree linked\n".
+    "                             from the bottom of the first page; default is off.\n".
+    "\n".
+    "  -tp, --threshold_percentage <percentage>  provide a percentage of metric accountability; the\n".
+    "                                             inclusion of functions for each metric will take\n".
+    "                                             place in sort order until the percentage has been\n".
+    "                                             reached.\n".
+    "\n".
+    "  -dm, --default_metrics {on|off}  enable or disable automatic selection of metrics\n".
+    "                                   and use a default set of metrics; the default is off.\n".
+    "\n".
+    "  -im, --ignore_metrics <metric-list>  ignore the metrics from <metric-list>.\n".
+    "\n".
+    "  -db, --debug {on|off}  enable/disable debug mode; print detailed information to assist with troubleshooting\n".
+    "                          or further development of this tool; default is off.\n".
+    "\n".
+    "  -q, --quiet {on|off}  disable/enable the display of warnings; default is off.\n".
+    "\n".
+    "Environment:\n".
+    "\n".
+    "The options can be set in a configuration file called .gp-display-html.rc. This\n".
+    "file needs to be either in the current directory, or in the home directory of the user.\n".
+    "The long name of the option without the leading dashes is supported. For example calltree\n".
+    "to enable or disable the call tree. Note that some options take a value. In case the same option\n".
+    "occurs multiple times in this file, only the last setting encountered is preserved.\n".
+    "\n".
+    "Documentation:\n".
+    "\n".
+    "A getting started guide for gprofng is maintained as a Texinfo manual. If the info and\n".
+    "gprofng programs are properly installed at your site, the command \"info gprofng\"\n".
+    "should give you access to this document.\n".
+    "\n".
+    "See also:\n".
+    "\n".
+    "gprofng(1), gp-archive(1), gp-collect-app(1), gp-display-src(1), gp-display-text(1)\n";
+
+    return (0);
+
+} #-- End of subroutine print_help_info
+
+#------------------------------------------------------------------------------
+# Scan the command line for specific options.
+#------------------------------------------------------------------------------
+sub
+early_scan_specific_options
+{
+  my $subr_name = "early_scan_specific_options";
+
+  my $ignore_value;
+  my $found_option;
+  my $option_has_value;
+  my $option_value;
+
+  my $verbose_setting = $FALSE;
+  my $debug_setting   = $FALSE;
+  my $quiet_setting   = $FALSE;
+
+  $option_has_value = $FALSE;
+  ($found_option, $option_value) = find_target_option (\@ARGV, $option_has_value, "--version");
+  if ($found_option)
+    {
+      $ignore_value = print_version_info ();
+      exit(0);
+    }
+  $option_has_value = $FALSE;
+  ($found_option, $option_value) = find_target_option (\@ARGV, $option_has_value, "--help");
+  if ($found_option)
+    {
+      $ignore_value = print_help_info ();
+      exit(0);
+    }
+
+  return (0);
+
+} #-- End of subroutine early_scan_specific_options
+
+#------------------------------------------------------------------------------
+# Scan the command line to see if the specified option is present.
+#
+# Two types of options are supported: options without value (e.g. --help) or
+# those that are set to "on" or "off".
+#------------------------------------------------------------------------------
+sub
+find_target_option
+{
+  my ($command_line_ref, $has_value, $target_option) = @_;
+
+  my @command_line = @{ $command_line_ref };
+
+  my ($command_line_string) = join(" ", @command_line);
+
+  my $option_value = "not set";
+  my $found_option = $FALSE;
+
+  if ($command_line_string =~ /\s*($target_option)\s*(on|off)*\s*/)
+    {
+      if ($has_value)
+        {
+#------------------------------------------------------------------------------
+# We are looking for this kind if substring: "--verbose on"
+#------------------------------------------------------------------------------
+          if (defined($1) and defined($2))
+            {
+              if ( ($2 eq "on") or ($2 eq "off") )
+                {
+                  $found_option = $TRUE;
+                  $option_value = $2;
+                }
+            }
+        }
+      else
+        {
+#------------------------------------------------------------------------------
+# We are looking for this kind if substring: "--help"
+#------------------------------------------------------------------------------
+          if (defined($1))
+            {
+              $found_option = $TRUE;
+            }
+        }
+    }
+
+  return($found_option, $option_value);
+
+} #-- End of subroutine find_target_option