635 lines
14 KiB
C
635 lines
14 KiB
C
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that: (1) source distributions retain this entire copyright
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* notice and comment, and (2) distributions including binaries display
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* the following acknowledgement: ``This product includes software
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* developed by the University of California, Berkeley and its contributors''
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* in the documentation or other materials provided with the distribution
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* and in all advertising materials mentioning features or use of this
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* software. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include "getopt.h"
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#include "libiberty.h"
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#include "gprof.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 "core.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 "source.h"
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#include "sym_ids.h"
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const char *whoami;
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const char *function_mapping_file;
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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 discard_underscores = 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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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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bfd *abfd;
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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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"<locore>", "<hicore>",
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0
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};
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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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/* 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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{"directory-path", required_argument, 0, 'I'},
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{"display-unused-functions", no_argument, 0, 'z'},
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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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DEFUN (usage, (stream, status), FILE * stream AND int status)
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{
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fprintf (stream, "\
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Usage: %s [-[abcDhilLsTvwxyz]] [-[ACeEfFJnNOpPqQZ][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]\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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[image-file] [profile-file...]\n",
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whoami);
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if (status == 0)
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fprintf (stream, "Report bugs to bug-gnu-utils@prep.ai.mit.edu\n");
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done (status);
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}
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int
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DEFUN (main, (argc, argv), int argc AND 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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whoami = argv[0];
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xmalloc_set_program_name (whoami);
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while ((ch = getopt_long (argc, argv,
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"aA::bBcCdD::e:E:f:F:hiI:J::k:lLm:n::N::O:p::P::q::Q::st: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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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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case 'f':
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sym_id_add (optarg, INCL_GRAPH);
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break;
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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 = atoi (optarg);
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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 '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 '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", VERSION);
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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_ANNOTATED_SOURCE;
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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 b-b counts in gmon.sum */
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if (output_style & STYLE_SUMMARY_FILE)
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{
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line_granularity = 1;
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}
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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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{
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search_list_append (&src_search_list, str);
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}
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if (optind < argc)
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{
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a_out_name = argv[optind++];
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}
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if (optind < argc)
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{
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gmon_name = argv[optind++];
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}
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/*
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* Turn off default functions:
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*/
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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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#ifdef __alpha__
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sym_id_add (*sp, EXCL_FLAT);
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#endif
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}
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/*
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* For line-by-line profiling, also want to keep those
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* functions off the flat profile:
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*/
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if (line_granularity)
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{
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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_FLAT);
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}
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}
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/*
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* Read symbol table from core file:
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*/
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core_init (a_out_name);
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/*
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* If we should ignore direct function calls, we need to load
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* to core's text-space:
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*/
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if (ignore_direct_calls)
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{
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core_get_text_space (core_bfd);
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}
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/*
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* Create symbols from core image:
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*/
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if (line_granularity)
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{
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core_create_line_syms (core_bfd);
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}
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else
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{
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core_create_function_syms (core_bfd);
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}
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/*
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* Translate sym specs into syms:
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*/
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sym_id_parse ();
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if (file_format == FF_PROF)
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{
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#ifdef PROF_SUPPORT_IMPLEMENTED
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/*
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* Get information about mon.out file(s):
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*/
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do
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{
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mon_out_read (gmon_name);
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if (optind < argc)
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{
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gmon_name = argv[optind];
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}
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}
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while (optind++ < argc);
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#else
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fprintf (stderr,
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"%s: sorry, file format `prof' is not yet supported\n",
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whoami);
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done (1);
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#endif
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}
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else
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{
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/*
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* Get information about gmon.out file(s):
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*/
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do
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{
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gmon_out_read (gmon_name);
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if (optind < argc)
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{
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gmon_name = argv[optind];
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}
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}
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while (optind++ < argc);
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}
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/*
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* If user did not specify output style, try to guess something
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* reasonable:
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*/
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if (output_style == 0)
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{
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if (gmon_input & (INPUT_HISTOGRAM | INPUT_CALL_GRAPH))
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{
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output_style = STYLE_FLAT_PROFILE | STYLE_CALL_GRAPH;
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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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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)
|
|
{
|
|
cg_print (cg); /* print the dynamic profile */
|
|
}
|
|
|
|
if (output_style & STYLE_FLAT_PROFILE)
|
|
{
|
|
hist_print (); /* print the flat profile */
|
|
}
|
|
|
|
if (cg && (output_style & STYLE_CALL_GRAPH))
|
|
{
|
|
if (!bsd_style_output)
|
|
{
|
|
cg_print (cg); /* print the dynamic profile */
|
|
}
|
|
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 (status)
|
|
int status;
|
|
{
|
|
exit (status);
|
|
}
|