651 lines
16 KiB
C
651 lines
16 KiB
C
/*
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* Copyright (c) 1983, 1993, 1998, 2001, 2002
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "gprof.h"
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#include "libiberty.h"
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#include "bfdver.h"
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#include "search_list.h"
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#include "source.h"
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#include "symtab.h"
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#include "basic_blocks.h"
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#include "call_graph.h"
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#include "cg_arcs.h"
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#include "cg_print.h"
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#include "corefile.h"
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#include "gmon_io.h"
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#include "hertz.h"
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#include "hist.h"
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#include "sym_ids.h"
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#include "demangle.h"
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#include "getopt.h"
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static void usage (FILE *, int) ATTRIBUTE_NORETURN;
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const char * whoami;
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const char * function_mapping_file;
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static const char * external_symbol_table;
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const char * a_out_name = A_OUTNAME;
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long hz = HZ_WRONG;
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/*
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* Default options values:
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*/
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int debug_level = 0;
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int output_style = 0;
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int output_width = 80;
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bool bsd_style_output = false;
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bool demangle = true;
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bool ignore_direct_calls = false;
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bool ignore_static_funcs = false;
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bool ignore_zeros = true;
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bool line_granularity = false;
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bool print_descriptions = true;
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bool print_path = false;
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bool ignore_non_functions = false;
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bool inline_file_names = false;
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File_Format file_format = FF_AUTO;
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bool first_output = true;
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char copyright[] =
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"@(#) Copyright (c) 1983 Regents of the University of California.\n\
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All rights reserved.\n";
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static char *gmon_name = GMONNAME; /* profile filename */
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/*
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* Functions that get excluded by default:
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*/
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static char *default_excluded_list[] =
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{
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"_gprof_mcount", "mcount", "_mcount", "__mcount", "__mcount_internal",
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"__mcleanup",
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0
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};
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/* Codes used for the long options with no short synonyms. 150 isn't
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special; it's just an arbitrary non-ASCII char value. */
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#define OPTION_DEMANGLE (150)
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#define OPTION_NO_DEMANGLE (OPTION_DEMANGLE + 1)
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#define OPTION_INLINE_FILE_NAMES (OPTION_DEMANGLE + 2)
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static struct option long_options[] =
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{
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{"line", no_argument, 0, 'l'},
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{"no-static", no_argument, 0, 'a'},
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{"ignore-non-functions", no_argument, 0, 'D'},
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{"external-symbol-table", required_argument, 0, 'S'},
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/* output styles: */
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{"annotated-source", optional_argument, 0, 'A'},
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{"no-annotated-source", optional_argument, 0, 'J'},
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{"flat-profile", optional_argument, 0, 'p'},
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{"no-flat-profile", optional_argument, 0, 'P'},
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{"graph", optional_argument, 0, 'q'},
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{"no-graph", optional_argument, 0, 'Q'},
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{"exec-counts", optional_argument, 0, 'C'},
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{"no-exec-counts", optional_argument, 0, 'Z'},
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{"function-ordering", no_argument, 0, 'r'},
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{"file-ordering", required_argument, 0, 'R'},
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{"file-info", no_argument, 0, 'i'},
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{"sum", no_argument, 0, 's'},
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/* various options to affect output: */
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{"all-lines", no_argument, 0, 'x'},
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{"demangle", optional_argument, 0, OPTION_DEMANGLE},
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{"no-demangle", no_argument, 0, OPTION_NO_DEMANGLE},
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{"directory-path", required_argument, 0, 'I'},
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{"display-unused-functions", no_argument, 0, 'z'},
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{"inline-file-names", no_argument, 0, OPTION_INLINE_FILE_NAMES},
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{"min-count", required_argument, 0, 'm'},
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{"print-path", no_argument, 0, 'L'},
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{"separate-files", no_argument, 0, 'y'},
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{"static-call-graph", no_argument, 0, 'c'},
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{"table-length", required_argument, 0, 't'},
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{"time", required_argument, 0, 'n'},
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{"no-time", required_argument, 0, 'N'},
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{"width", required_argument, 0, 'w'},
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/*
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* These are for backwards-compatibility only. Their functionality
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* is provided by the output style options already:
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*/
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{"", required_argument, 0, 'e'},
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{"", required_argument, 0, 'E'},
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{"", required_argument, 0, 'f'},
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{"", required_argument, 0, 'F'},
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{"", required_argument, 0, 'k'},
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/* miscellaneous: */
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{"brief", no_argument, 0, 'b'},
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{"debug", optional_argument, 0, 'd'},
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{"help", no_argument, 0, 'h'},
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{"file-format", required_argument, 0, 'O'},
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{"traditional", no_argument, 0, 'T'},
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{"version", no_argument, 0, 'v'},
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{0, no_argument, 0, 0}
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};
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static void
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usage (FILE *stream, int status)
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{
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fprintf (stream, _("\
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Usage: %s [-[abcDhilLrsTvwxyz]] [-[ACeEfFJnNOpPqQRStZ][name]] [-I dirs]\n\
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[-d[num]] [-k from/to] [-m min-count] [-t table-length]\n\
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[--[no-]annotated-source[=name]] [--[no-]exec-counts[=name]]\n\
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[--[no-]flat-profile[=name]] [--[no-]graph[=name]]\n\
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[--[no-]time=name] [--all-lines] [--brief] [--debug[=level]]\n\
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[--function-ordering] [--file-ordering] [--inline-file-names]\n\
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[--directory-path=dirs] [--display-unused-functions]\n\
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[--file-format=name] [--file-info] [--help] [--line] [--min-count=n]\n\
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[--no-static] [--print-path] [--separate-files]\n\
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[--static-call-graph] [--sum] [--table-length=len] [--traditional]\n\
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[--version] [--width=n] [--ignore-non-functions]\n\
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[--demangle[=STYLE]] [--no-demangle] [--external-symbol-table=name] [@FILE]\n\
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[image-file] [profile-file...]\n"),
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whoami);
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if (REPORT_BUGS_TO[0] && status == 0)
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fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
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done (status);
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}
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int
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main (int argc, char **argv)
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{
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char **sp, *str;
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Sym **cg = 0;
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int ch, user_specified = 0;
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#ifdef HAVE_LC_MESSAGES
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setlocale (LC_MESSAGES, "");
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#endif
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setlocale (LC_CTYPE, "");
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#ifdef ENABLE_NLS
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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#endif
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whoami = argv[0];
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xmalloc_set_program_name (whoami);
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expandargv (&argc, &argv);
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while ((ch = getopt_long (argc, argv,
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"aA::bBcC::d::De:E:f:F:hiI:J::k:lLm:n:N:O:p::P::q::Q::rR:sS:t:Tvw:xyzZ::",
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long_options, 0))
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!= EOF)
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{
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switch (ch)
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{
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case 'a':
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ignore_static_funcs = true;
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break;
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case 'A':
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if (optarg)
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{
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sym_id_add (optarg, INCL_ANNO);
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}
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output_style |= STYLE_ANNOTATED_SOURCE;
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user_specified |= STYLE_ANNOTATED_SOURCE;
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break;
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case 'b':
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print_descriptions = false;
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break;
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case 'B':
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output_style |= STYLE_CALL_GRAPH;
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user_specified |= STYLE_CALL_GRAPH;
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break;
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case 'c':
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ignore_direct_calls = true;
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break;
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case 'C':
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if (optarg)
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{
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sym_id_add (optarg, INCL_EXEC);
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}
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output_style |= STYLE_EXEC_COUNTS;
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user_specified |= STYLE_EXEC_COUNTS;
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break;
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case 'd':
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if (optarg)
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{
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debug_level |= atoi (optarg);
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debug_level |= ANYDEBUG;
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}
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else
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{
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debug_level = ~0;
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}
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DBG (ANYDEBUG, printf ("[main] debug-level=0x%x\n", debug_level));
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#ifndef DEBUG
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printf (_("%s: debugging not supported; -d ignored\n"), whoami);
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#endif /* DEBUG */
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break;
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case 'D':
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ignore_non_functions = true;
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break;
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case 'E':
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sym_id_add (optarg, EXCL_TIME);
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/* Fall through. */
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case 'e':
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sym_id_add (optarg, EXCL_GRAPH);
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break;
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case 'F':
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sym_id_add (optarg, INCL_TIME);
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/* Fall through. */
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case 'f':
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sym_id_add (optarg, INCL_GRAPH);
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break;
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/* FIXME: The -g and -G options are not present in the getopt_long
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invocation above, and they are not documented in gprof.texi.
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Therefore they appear to be deprecated. Test this theory and
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delete them if true. */
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case 'g':
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sym_id_add (optarg, EXCL_FLAT);
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break;
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case 'G':
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sym_id_add (optarg, INCL_FLAT);
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break;
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case 'h':
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usage (stdout, 0);
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case 'i':
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output_style |= STYLE_GMON_INFO;
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user_specified |= STYLE_GMON_INFO;
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break;
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case 'I':
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search_list_append (&src_search_list, optarg);
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break;
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case 'J':
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if (optarg)
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{
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sym_id_add (optarg, EXCL_ANNO);
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output_style |= STYLE_ANNOTATED_SOURCE;
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}
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else
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{
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output_style &= ~STYLE_ANNOTATED_SOURCE;
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}
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user_specified |= STYLE_ANNOTATED_SOURCE;
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break;
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case 'k':
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sym_id_add (optarg, EXCL_ARCS);
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break;
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case 'l':
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line_granularity = true;
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break;
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case 'L':
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print_path = true;
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break;
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case 'm':
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bb_min_calls = (unsigned long) strtoul (optarg, (char **) NULL, 10);
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break;
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case 'n':
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sym_id_add (optarg, INCL_TIME);
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break;
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case 'N':
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sym_id_add (optarg, EXCL_TIME);
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break;
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case 'O':
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switch (optarg[0])
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{
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case 'a':
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file_format = FF_AUTO;
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break;
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case 'm':
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file_format = FF_MAGIC;
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break;
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case 'b':
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file_format = FF_BSD;
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break;
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case '4':
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file_format = FF_BSD44;
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break;
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case 'p':
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file_format = FF_PROF;
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break;
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default:
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fprintf (stderr, _("%s: unknown file format %s\n"),
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optarg, whoami);
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done (1);
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}
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break;
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case 'p':
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if (optarg)
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{
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sym_id_add (optarg, INCL_FLAT);
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}
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output_style |= STYLE_FLAT_PROFILE;
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user_specified |= STYLE_FLAT_PROFILE;
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break;
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case 'P':
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if (optarg)
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{
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sym_id_add (optarg, EXCL_FLAT);
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output_style |= STYLE_FLAT_PROFILE;
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}
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else
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{
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output_style &= ~STYLE_FLAT_PROFILE;
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}
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user_specified |= STYLE_FLAT_PROFILE;
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break;
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case 'q':
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if (optarg)
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{
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if (strchr (optarg, '/'))
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{
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sym_id_add (optarg, INCL_ARCS);
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}
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else
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{
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sym_id_add (optarg, INCL_GRAPH);
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}
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}
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output_style |= STYLE_CALL_GRAPH;
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user_specified |= STYLE_CALL_GRAPH;
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break;
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case 'r':
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output_style |= STYLE_FUNCTION_ORDER;
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user_specified |= STYLE_FUNCTION_ORDER;
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break;
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case 'R':
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output_style |= STYLE_FILE_ORDER;
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user_specified |= STYLE_FILE_ORDER;
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function_mapping_file = optarg;
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break;
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case 'Q':
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if (optarg)
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{
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if (strchr (optarg, '/'))
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{
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sym_id_add (optarg, EXCL_ARCS);
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}
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else
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{
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sym_id_add (optarg, EXCL_GRAPH);
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}
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output_style |= STYLE_CALL_GRAPH;
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}
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else
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{
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output_style &= ~STYLE_CALL_GRAPH;
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}
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user_specified |= STYLE_CALL_GRAPH;
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break;
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case 's':
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output_style |= STYLE_SUMMARY_FILE;
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user_specified |= STYLE_SUMMARY_FILE;
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break;
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case 'S':
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external_symbol_table = optarg;
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DBG (AOUTDEBUG, printf ("external-symbol-table: %s\n", optarg));
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break;
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case 't':
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bb_table_length = atoi (optarg);
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if (bb_table_length < 0)
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{
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bb_table_length = 0;
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}
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break;
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case 'T':
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bsd_style_output = true;
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break;
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case 'v':
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/* This output is intended to follow the GNU standards document. */
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printf (_("GNU gprof %s\n"), BFD_VERSION_STRING);
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printf (_("Based on BSD gprof, copyright 1983 Regents of the University of California.\n"));
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printf (_("\
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This program is free software. This program has absolutely no warranty.\n"));
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done (0);
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case 'w':
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output_width = atoi (optarg);
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if (output_width < 1)
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{
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output_width = 1;
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}
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break;
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case 'x':
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bb_annotate_all_lines = true;
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break;
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case 'y':
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create_annotation_files = true;
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break;
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case 'z':
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ignore_zeros = false;
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break;
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case 'Z':
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if (optarg)
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{
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sym_id_add (optarg, EXCL_EXEC);
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output_style |= STYLE_EXEC_COUNTS;
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}
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else
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{
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output_style &= ~STYLE_EXEC_COUNTS;
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}
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user_specified |= STYLE_EXEC_COUNTS;
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break;
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case OPTION_DEMANGLE:
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demangle = true;
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if (optarg != NULL)
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{
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enum demangling_styles style;
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style = cplus_demangle_name_to_style (optarg);
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if (style == unknown_demangling)
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{
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fprintf (stderr,
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_("%s: unknown demangling style `%s'\n"),
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whoami, optarg);
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xexit (1);
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}
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cplus_demangle_set_style (style);
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}
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break;
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case OPTION_NO_DEMANGLE:
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demangle = false;
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break;
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case OPTION_INLINE_FILE_NAMES:
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inline_file_names = true;
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break;
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default:
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usage (stderr, 1);
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}
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}
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/* Don't allow both ordering options, they modify the arc data in-place. */
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if ((user_specified & STYLE_FUNCTION_ORDER)
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&& (user_specified & STYLE_FILE_ORDER))
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{
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fprintf (stderr,_("\
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%s: Only one of --function-ordering and --file-ordering may be specified.\n"),
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whoami);
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done (1);
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}
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/* --sum implies --line, otherwise we'd lose basic block counts in
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gmon.sum */
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if (output_style & STYLE_SUMMARY_FILE)
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line_granularity = 1;
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/* append value of GPROF_PATH to source search list if set: */
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str = (char *) getenv ("GPROF_PATH");
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if (str)
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search_list_append (&src_search_list, str);
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if (optind < argc)
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a_out_name = argv[optind++];
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if (optind < argc)
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gmon_name = argv[optind++];
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/* Turn off default functions. */
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for (sp = &default_excluded_list[0]; *sp; sp++)
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{
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sym_id_add (*sp, EXCL_TIME);
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sym_id_add (*sp, EXCL_GRAPH);
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sym_id_add (*sp, EXCL_FLAT);
|
|
}
|
|
|
|
/* Read symbol table from core file. */
|
|
core_init (a_out_name);
|
|
|
|
/* If we should ignore direct function calls, we need to load to
|
|
core's text-space. */
|
|
if (ignore_direct_calls)
|
|
core_get_text_space (core_bfd);
|
|
|
|
/* Create symbols from core image. */
|
|
if (external_symbol_table)
|
|
core_create_syms_from (external_symbol_table);
|
|
else if (line_granularity)
|
|
core_create_line_syms ();
|
|
else
|
|
core_create_function_syms ();
|
|
|
|
/* Translate sym specs into syms. */
|
|
sym_id_parse ();
|
|
|
|
if (file_format == FF_PROF)
|
|
{
|
|
fprintf (stderr,
|
|
_("%s: sorry, file format `prof' is not yet supported\n"),
|
|
whoami);
|
|
done (1);
|
|
}
|
|
else
|
|
{
|
|
/* Get information about gmon.out file(s). */
|
|
do
|
|
{
|
|
gmon_out_read (gmon_name);
|
|
if (optind < argc)
|
|
gmon_name = argv[optind];
|
|
}
|
|
while (optind++ < argc);
|
|
}
|
|
|
|
/* If user did not specify output style, try to guess something
|
|
reasonable. */
|
|
if (output_style == 0)
|
|
{
|
|
if (gmon_input & (INPUT_HISTOGRAM | INPUT_CALL_GRAPH))
|
|
{
|
|
if (gmon_input & INPUT_HISTOGRAM)
|
|
output_style |= STYLE_FLAT_PROFILE;
|
|
if (gmon_input & INPUT_CALL_GRAPH)
|
|
output_style |= STYLE_CALL_GRAPH;
|
|
}
|
|
else
|
|
output_style = STYLE_EXEC_COUNTS;
|
|
|
|
output_style &= ~user_specified;
|
|
}
|
|
|
|
/* Dump a gmon.sum file if requested (before any other
|
|
processing!) */
|
|
if (output_style & STYLE_SUMMARY_FILE)
|
|
{
|
|
gmon_out_write (GMONSUM);
|
|
}
|
|
|
|
if (gmon_input & INPUT_HISTOGRAM)
|
|
{
|
|
hist_assign_samples ();
|
|
}
|
|
|
|
if (gmon_input & INPUT_CALL_GRAPH)
|
|
{
|
|
cg = cg_assemble ();
|
|
}
|
|
|
|
/* Do some simple sanity checks. */
|
|
if ((output_style & STYLE_FLAT_PROFILE)
|
|
&& !(gmon_input & INPUT_HISTOGRAM))
|
|
{
|
|
fprintf (stderr, _("%s: gmon.out file is missing histogram\n"), whoami);
|
|
done (1);
|
|
}
|
|
|
|
if ((output_style & STYLE_CALL_GRAPH) && !(gmon_input & INPUT_CALL_GRAPH))
|
|
{
|
|
fprintf (stderr,
|
|
_("%s: gmon.out file is missing call-graph data\n"), whoami);
|
|
done (1);
|
|
}
|
|
|
|
/* Output whatever user whishes to see. */
|
|
if (cg && (output_style & STYLE_CALL_GRAPH) && bsd_style_output)
|
|
{
|
|
/* Print the dynamic profile. */
|
|
cg_print (cg);
|
|
}
|
|
|
|
if (output_style & STYLE_FLAT_PROFILE)
|
|
{
|
|
/* Print the flat profile. */
|
|
hist_print ();
|
|
}
|
|
|
|
if (cg && (output_style & STYLE_CALL_GRAPH))
|
|
{
|
|
if (!bsd_style_output)
|
|
{
|
|
/* Print the dynamic profile. */
|
|
cg_print (cg);
|
|
}
|
|
cg_print_index ();
|
|
}
|
|
|
|
if (output_style & STYLE_EXEC_COUNTS)
|
|
print_exec_counts ();
|
|
|
|
if (output_style & STYLE_ANNOTATED_SOURCE)
|
|
print_annotated_source ();
|
|
|
|
if (output_style & STYLE_FUNCTION_ORDER)
|
|
cg_print_function_ordering ();
|
|
|
|
if (output_style & STYLE_FILE_ORDER)
|
|
cg_print_file_ordering ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
done (int status)
|
|
{
|
|
exit (status);
|
|
}
|