gprof.c

来自「基于4个mips核的noc设计」· C语言 代码 · 共 676 行 · 第 1/2 页

/*
 * Copyright (c) 1983, 1998, 2001 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
#include "getopt.h"
#include "libiberty.h"
#include "gprof.h"
#include "basic_blocks.h"
#include "call_graph.h"
#include "cg_arcs.h"
#include "cg_print.h"
#include "corefile.h"
#include "gmon_io.h"
#include "hertz.h"
#include "hist.h"
#include "source.h"
#include "sym_ids.h"
#include "demangle.h"

const char *whoami;
const char *function_mapping_file;
const char *a_out_name = A_OUTNAME;
long hz = HZ_WRONG;

/*
 * Default options values:
 */
int debug_level = 0;
int output_style = 0;
int output_width = 80;
bool bsd_style_output = FALSE;
bool demangle = TRUE;
bool discard_underscores = TRUE;
bool ignore_direct_calls = FALSE;
bool ignore_static_funcs = FALSE;
bool ignore_zeros = TRUE;
bool line_granularity = FALSE;
bool print_descriptions = TRUE;
bool print_path = FALSE;
bool ignore_non_functions = FALSE;
File_Format file_format = FF_AUTO;

bool first_output = TRUE;

char copyright[] =
 "@(#) Copyright (c) 1983 Regents of the University of California.\n\
 All rights reserved.\n";

static char *gmon_name = GMONNAME;	/* profile filename */

bfd *abfd;

/*
 * Functions that get excluded by default:
 */
static char *default_excluded_list[] =
{
  "_gprof_mcount", "mcount", "_mcount", "__mcount", "__mcount_internal",
  "__mcleanup",
  "<locore>", "<hicore>",
  0
};

/* Codes used for the long options with no short synonyms.  150 isn't
   special; it's just an arbitrary non-ASCII char value.  */

#define OPTION_DEMANGLE		(150)
#define OPTION_NO_DEMANGLE	(OPTION_DEMANGLE + 1)

static struct option long_options[] =
{
  {"line", no_argument, 0, 'l'},
  {"no-static", no_argument, 0, 'a'},
  {"ignore-non-functions", no_argument, 0, 'D'},

    /* output styles: */

  {"annotated-source", optional_argument, 0, 'A'},
  {"no-annotated-source", optional_argument, 0, 'J'},
  {"flat-profile", optional_argument, 0, 'p'},
  {"no-flat-profile", optional_argument, 0, 'P'},
  {"graph", optional_argument, 0, 'q'},
  {"no-graph", optional_argument, 0, 'Q'},
  {"exec-counts", optional_argument, 0, 'C'},
  {"no-exec-counts", optional_argument, 0, 'Z'},
  {"function-ordering", no_argument, 0, 'r'},
  {"file-ordering", required_argument, 0, 'R'},
  {"file-info", no_argument, 0, 'i'},
  {"sum", no_argument, 0, 's'},

    /* various options to affect output: */

  {"all-lines", no_argument, 0, 'x'},
  {"demangle", optional_argument, 0, OPTION_DEMANGLE},
  {"no-demangle", no_argument, 0, OPTION_NO_DEMANGLE},
  {"directory-path", required_argument, 0, 'I'},
  {"display-unused-functions", no_argument, 0, 'z'},
  {"min-count", required_argument, 0, 'm'},
  {"print-path", no_argument, 0, 'L'},
  {"separate-files", no_argument, 0, 'y'},
  {"static-call-graph", no_argument, 0, 'c'},
  {"table-length", required_argument, 0, 't'},
  {"time", required_argument, 0, 'n'},
  {"no-time", required_argument, 0, 'N'},
  {"width", required_argument, 0, 'w'},
    /*
     * These are for backwards-compatibility only.  Their functionality
     * is provided by the output style options already:
     */
  {"", required_argument, 0, 'e'},
  {"", required_argument, 0, 'E'},
  {"", required_argument, 0, 'f'},
  {"", required_argument, 0, 'F'},
  {"", required_argument, 0, 'k'},

    /* miscellaneous: */

  {"brief", no_argument, 0, 'b'},
  {"debug", optional_argument, 0, 'd'},
  {"help", no_argument, 0, 'h'},
  {"file-format", required_argument, 0, 'O'},
  {"traditional", no_argument, 0, 'T'},
  {"version", no_argument, 0, 'v'},
  {0, no_argument, 0, 0}
};


static void
DEFUN (usage, (stream, status), FILE * stream AND int status)
{
  fprintf (stream, _("\
Usage: %s [-[abcDhilLsTvwxyz]] [-[ACeEfFJnNOpPqQZ][name]] [-I dirs]\n\
	[-d[num]] [-k from/to] [-m min-count] [-t table-length]\n\
	[--[no-]annotated-source[=name]] [--[no-]exec-counts[=name]]\n\
	[--[no-]flat-profile[=name]] [--[no-]graph[=name]]\n\
	[--[no-]time=name] [--all-lines] [--brief] [--debug[=level]]\n\
	[--function-ordering] [--file-ordering]\n\
	[--directory-path=dirs] [--display-unused-functions]\n\
	[--file-format=name] [--file-info] [--help] [--line] [--min-count=n]\n\
	[--no-static] [--print-path] [--separate-files]\n\
	[--static-call-graph] [--sum] [--table-length=len] [--traditional]\n\
	[--version] [--width=n] [--ignore-non-functions]\n\
	[--demangle[=STYLE]] [--no-demangle]\n\
	[image-file] [profile-file...]\n"),
	   whoami);
  if (status == 0)
    fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
  done (status);
}


int
DEFUN (main, (argc, argv), int argc AND char **argv)
{
  char **sp, *str;
  Sym **cg = 0;
  int ch, user_specified = 0;

#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
  setlocale (LC_MESSAGES, "");
#endif
  bindtextdomain (PACKAGE, LOCALEDIR);
  textdomain (PACKAGE);

  whoami = argv[0];
  xmalloc_set_program_name (whoami);

  while ((ch = getopt_long (argc, argv,
	"aA::bBcCd::De:E:f:F:hiI:J::k:lLm:n::N::O:p::P::q::Q::st:Tvw:xyzZ::",
			    long_options, 0))
	 != EOF)
    {
      switch (ch)
	{
	case 'a':
	  ignore_static_funcs = TRUE;
	  break;
	case 'A':
	  if (optarg)
	    {
	      sym_id_add (optarg, INCL_ANNO);
	    }
	  output_style |= STYLE_ANNOTATED_SOURCE;
	  user_specified |= STYLE_ANNOTATED_SOURCE;
	  break;
	case 'b':
	  print_descriptions = FALSE;
	  break;
	case 'B':
	  output_style |= STYLE_CALL_GRAPH;
	  user_specified |= STYLE_CALL_GRAPH;
	  break;
	case 'c':
	  ignore_direct_calls = TRUE;
	  break;
	case 'C':
	  if (optarg)
	    {
	      sym_id_add (optarg, INCL_EXEC);
	    }
	  output_style |= STYLE_EXEC_COUNTS;
	  user_specified |= STYLE_EXEC_COUNTS;
	  break;
	case 'd':
	  if (optarg)
	    {
	      debug_level |= atoi (optarg);
	      debug_level |= ANYDEBUG;
	    }
	  else
	    {
	      debug_level = ~0;
	    }
	  DBG (ANYDEBUG, printf ("[main] debug-level=0x%x\n", debug_level));
#ifndef DEBUG
	  printf (_("%s: debugging not supported; -d ignored\n"), whoami);
#endif	/* DEBUG */
	  break;
	case 'D':
	  ignore_non_functions = TRUE;
	  break;
	case 'E':
	  sym_id_add (optarg, EXCL_TIME);
	case 'e':
	  sym_id_add (optarg, EXCL_GRAPH);
	  break;
	case 'F':
	  sym_id_add (optarg, INCL_TIME);
	case 'f':
	  sym_id_add (optarg, INCL_GRAPH);
	  break;
	case 'g':
	  sym_id_add (optarg, EXCL_FLAT);
	  break;
	case 'G':
	  sym_id_add (optarg, INCL_FLAT);
	  break;
	case 'h':
	  usage (stdout, 0);
	case 'i':
	  output_style |= STYLE_GMON_INFO;
	  user_specified |= STYLE_GMON_INFO;
	  break;
	case 'I':
	  search_list_append (&src_search_list, optarg);
	  break;
	case 'J':
	  if (optarg)
	    {
	      sym_id_add (optarg, EXCL_ANNO);
	      output_style |= STYLE_ANNOTATED_SOURCE;
	    }
	  else
	    {
	      output_style &= ~STYLE_ANNOTATED_SOURCE;
	    }
	  user_specified |= STYLE_ANNOTATED_SOURCE;
	  break;
	case 'k':
	  sym_id_add (optarg, EXCL_ARCS);
	  break;
	case 'l':
	  line_granularity = TRUE;
	  break;
	case 'L':
	  print_path = TRUE;
	  break;
	case 'm':
	  bb_min_calls = (unsigned long) strtoul (optarg, (char **) NULL, 10);
	  break;
	case 'n':
	  sym_id_add (optarg, INCL_TIME);
	  break;
	case 'N':
	  sym_id_add (optarg, EXCL_TIME);
	  break;
	case 'O':
	  switch (optarg[0])
	    {
	    case 'a':
	      file_format = FF_AUTO;
	      break;
	    case 'm':
	      file_format = FF_MAGIC;
	      break;
	    case 'b':
	      file_format = FF_BSD;
	      break;
	    case '4':
	      file_format = FF_BSD44;
	      break;
	    case 'p':
	      file_format = FF_PROF;
	      break;
	    default:
	      fprintf (stderr, _("%s: unknown file format %s\n"),
		       optarg, whoami);
	      done (1);
	    }
	  break;
	case 'p':
	  if (optarg)
	    {
	      sym_id_add (optarg, INCL_FLAT);
	    }
	  output_style |= STYLE_FLAT_PROFILE;
	  user_specified |= STYLE_FLAT_PROFILE;
	  break;
	case 'P':
	  if (optarg)
	    {
	      sym_id_add (optarg, EXCL_FLAT);
	      output_style |= STYLE_FLAT_PROFILE;
	    }
	  else
	    {
	      output_style &= ~STYLE_FLAT_PROFILE;
	    }
	  user_specified |= STYLE_FLAT_PROFILE;
	  break;
	case 'q':
	  if (optarg)
	    {
	      if (strchr (optarg, '/'))