Add GPL copyright notices to uncopyrighted files.

Add copy of GPL.

1 files changed, 123 insertions, 169 deletions

diff --git a/gprof/basic_blocks.c b/gprof/basic_blocks.c
index 43dd762b..926743f 100644
--- a/gprof/basic_blocks.c
+++ b/gprof/basic_blocks.c
@@ -1,8 +1,26 @@
-/*
- * Basic-block level related code: reading/writing of basic-block info
- * to/from gmon.out; computing and formatting of basic-block related
- * statistics.
- */
+/* basic_blocks.c  -  Basic-block level related code: reading/writing
+   of basic-block info to/from gmon.out; computing and formatting of
+   basic-block related statistics.
+
+   Copyright (C) 2000  Free Software Foundation, Inc.
+
+   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 2 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; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
 #include <stdio.h>
 #include <unistd.h>
 #include "basic_blocks.h"
@@ -14,26 +32,19 @@
 #include "source.h"
 #include "sym_ids.h"
 
-
-/*
- * Default option values:
- */
+/* Default option values:  */
 bool bb_annotate_all_lines = FALSE;
 unsigned long bb_min_calls = 1;
 int bb_table_length = 10;
 
-/*
- * Variables used to compute annotated source listing stats:
- */
+/* Variables used to compute annotated source listing stats:  */
 static long num_executable_lines;
 static long num_lines_executed;
 
 
-/*
- * Helper for sorting.  Compares two symbols and returns result
- * such that sorting will be increasing according to filename, line
- * number, and address (in that order).
- */
+/* Helper for sorting.  Compares two symbols and returns result
+   such that sorting will be increasing according to filename, line
+   number, and address (in that order).  */
 
 static int
 DEFUN (cmp_bb, (lp, rp), const void *lp AND const void *rp)
@@ -45,36 +56,25 @@ DEFUN (cmp_bb, (lp, rp), const void *lp AND const void *rp)
   if (left->file && right->file)
     {
       r = strcmp (left->file->name, right->file->name);
+      
       if (r)
-	{
-	  return r;
-	}
+	return r;
 
       if (left->line_num != right->line_num)
-	{
-	  return left->line_num - right->line_num;
-	}
+	return left->line_num - right->line_num;
     }
 
   if (left->addr < right->addr)
-    {
-      return -1;
-    }
+    return -1;
   else if (left->addr > right->addr)
-    {
-      return 1;
-    }
+    return 1;
   else
-    {
-      return 0;
-    }
+    return 0;
 }
 
 
-/*
- * Helper for sorting.  Order basic blocks in decreasing number of
- * calls, ties are broken in increasing order of line numbers.
- */
+/* Helper for sorting.  Order basic blocks in decreasing number of
+   calls, ties are broken in increasing order of line numbers.  */
 static int
 DEFUN (cmp_ncalls, (lp, rp), const void *lp AND const void *rp)
 {
@@ -82,13 +82,9 @@ DEFUN (cmp_ncalls, (lp, rp), const void *lp AND const void *rp)
   const Sym *right = *(const Sym **) rp;
 
   if (!left)
-    {
-      return 1;
-    }
+    return 1;
   else if (!right)
-    {
-      return -1;
-    }
+    return -1;
 
   if (left->ncalls < right->ncalls)
     return 1;
@@ -98,10 +94,7 @@ DEFUN (cmp_ncalls, (lp, rp), const void *lp AND const void *rp)
   return left->line_num - right->line_num;
 }
 
-
-/*
- * Skip over variable length string.
- */
+/* Skip over variable length string.  */
 static void
 DEFUN (fskip_string, (fp), FILE * fp)
 {
@@ -110,17 +103,13 @@ DEFUN (fskip_string, (fp), FILE * fp)
   while ((ch = fgetc (fp)) != EOF)
     {
       if (ch == '\0')
-	{
-	  break;
-	}
+	break;
     }
 }
 
+/* Read a basic-block record from file IFP.  FILENAME is the name
+   of file IFP and is provided for formatting error-messages only.  */
 
-/*
- * Read a basic-block record from file IFP.  FILENAME is the name
- * of file IFP and is provided for formatting error-messages only.
- */
 void
 DEFUN (bb_read_rec, (ifp, filename), FILE * ifp AND const char *filename)
 {
@@ -136,20 +125,18 @@ DEFUN (bb_read_rec, (ifp, filename), FILE * ifp AND const char *filename)
     }
 
   nblocks = bfd_get_32 (core_bfd, (bfd_byte *) & nblocks);
+  
   if (gmon_file_version == 0)
-    {
-      fskip_string (ifp);
-    }
+    fskip_string (ifp);
 
   for (b = 0; b < nblocks; ++b)
     {
       if (gmon_file_version == 0)
 	{
 	  int line_num;
-	  /*
-	   * Version 0 had lots of extra stuff that we don't
-	   * care about anymore.
-	   */
+	  
+	  /* Version 0 had lots of extra stuff that we don't
+	     care about anymore.  */
 	  if ((fread (&ncalls, sizeof (ncalls), 1, ifp) != 1)
 	      || (fread (&addr, sizeof (addr), 1, ifp) != 1)
 	      || (fskip_string (ifp), FALSE)
@@ -170,15 +157,11 @@ DEFUN (bb_read_rec, (ifp, filename), FILE * ifp AND const char *filename)
 	    }
 	}
 
-      /*
-       * Basic-block execution counts are meaningful only if we're
-       * profiling at the line-by-line level:
-       */
+      /* Basic-block execution counts are meaningful only if we're
+         profiling at the line-by-line level:  */
       if (line_granularity)
 	{
-
-	  /* convert from target to host endianness: */
-
+	  /* Convert from target to host endianness:  */
 	  addr = get_vma (core_bfd, (bfd_byte *) & addr);
 	  ncalls = bfd_get_32 (core_bfd, (bfd_byte *) &ncalls);
 
@@ -212,7 +195,7 @@ DEFUN (bb_read_rec, (ifp, filename), FILE * ifp AND const char *filename)
 	    {
 	      user_warned = TRUE;
 	      fprintf (stderr,
-		       _("%s: warning: ignoring basic-block exec counts (use -l or --line)\n"),
+  _("%s: warning: ignoring basic-block exec counts (use -l or --line)\n"),
 		       whoami);
 	    }
 	}
@@ -220,12 +203,9 @@ DEFUN (bb_read_rec, (ifp, filename), FILE * ifp AND const char *filename)
   return;
 }
 
-
-/*
- * Write all basic-blocks with non-zero counts to file OFP.  FILENAME
- * is the name of OFP and is provided for producing error-messages
- * only.
- */
+/* Write all basic-blocks with non-zero counts to file OFP.  FILENAME
+   is the name of OFP and is provided for producing error-messages
+   only.  */
 void
 DEFUN (bb_write_blocks, (ofp, filename), FILE * ofp AND const char *filename)
 {
@@ -236,8 +216,7 @@ DEFUN (bb_write_blocks, (ofp, filename), FILE * ofp AND const char *filename)
   Sym *sym;
   int i;
 
-  /* count how many non-zero blocks with have: */
-
+  /* Count how many non-zero blocks with have:  */
   for (sym = symtab.base; sym < symtab.limit; ++sym)
     {
       for (i = 0; i < NBBS && sym->bb_addr[i]; i++)
@@ -245,7 +224,7 @@ DEFUN (bb_write_blocks, (ofp, filename), FILE * ofp AND const char *filename)
       nblocks += i;
     }
 
-  /* write header: */
+  /* Write header:  */
   bfd_put_32 (core_bfd, nblocks, (bfd_byte *) & nblocks);
   if (fwrite (&tag, sizeof (tag), 1, ofp) != 1
       || fwrite (&nblocks, sizeof (nblocks), 1, ofp) != 1)
@@ -254,7 +233,7 @@ DEFUN (bb_write_blocks, (ofp, filename), FILE * ofp AND const char *filename)
       done (1);
     }
 
-  /* write counts: */
+  /* Write counts:  */
   for (sym = symtab.base; sym < symtab.limit; ++sym)
     {
       for (i = 0; i < NBBS && sym->bb_addr[i]; i++)
@@ -272,13 +251,11 @@ DEFUN (bb_write_blocks, (ofp, filename), FILE * ofp AND const char *filename)
     }
 }
 
+/* Output basic-block statistics in a format that is easily parseable.
+   Current the format is:
+  
+        <filename>:<line-number>: (<function-name>:<bb-addr): <ncalls>  */
 
-/*
- * Output basic-block statistics in a format that is easily parseable.
- * Current the format is:
- *
- *      <filename>:<line-number>: (<function-name>:<bb-addr): <ncalls>
- */
 void
 DEFUN_VOID (print_exec_counts)
 {
@@ -286,25 +263,19 @@ DEFUN_VOID (print_exec_counts)
   int i, j, len;
 
   if (first_output)
-    {
-      first_output = FALSE;
-    }
+    first_output = FALSE;
   else
-    {
-      printf ("\f\n");
-    }
-
-  /* sort basic-blocks according to function name and line number: */
+    printf ("\f\n");
 
+  /* Sort basic-blocks according to function name and line number:  */
   sorted_bbs = (Sym **) xmalloc (symtab.len * sizeof (sorted_bbs[0]));
   len = 0;
+  
   for (sym = symtab.base; sym < symtab.limit; ++sym)
     {
-      /*
-       * Accept symbol if it's in the INCL_EXEC table
-       * or there is no INCL_EXEC table
-       *    and it does not appear in the EXCL_EXEC table.
-       */
+      /* Accept symbol if it's in the INCL_EXEC table
+         or there is no INCL_EXEC table
+         and it does not appear in the EXCL_EXEC table.  */
       if (sym_lookup (&syms[INCL_EXEC], sym->addr)
 	  || (syms[INCL_EXEC].len == 0
 	      && !sym_lookup (&syms[EXCL_EXEC], sym->addr)))
@@ -312,9 +283,10 @@ DEFUN_VOID (print_exec_counts)
 	  sorted_bbs[len++] = sym;
 	}
     }
+  
   qsort (sorted_bbs, len, sizeof (sorted_bbs[0]), cmp_bb);
 
-  /* output basic-blocks: */
+  /* Output basic-blocks:  */
 
   for (i = 0; i < len; ++i)
     {
@@ -325,6 +297,7 @@ DEFUN_VOID (print_exec_counts)
 		  sym->file ? sym->file->name : _("<unknown>"), sym->line_num,
 		  sym->name, (unsigned long) sym->addr, sym->ncalls);
 	}
+      
       for (j = 0; j < NBBS && sym->bb_addr[j]; j ++)
 	{
 	  if (sym->bb_calls[j] > 0 || ! ignore_zeros)
@@ -340,17 +313,15 @@ DEFUN_VOID (print_exec_counts)
   free (sorted_bbs);
 }
 
-/*
- * Helper for bb_annotated_source: format annotation containing
- * number of line executions.  Depends on being called on each
- * line of a file in sequential order.
- *
- * Global variable bb_annotate_all_lines enables execution count
- * compression (counts are supressed if identical to the last one)
- * and prints counts on all executed lines.  Otherwise, print
- * all basic-block execution counts exactly once on the line
- * that starts the basic-block.
- */
+/* Helper for bb_annotated_source: format annotation containing
+   number of line executions.  Depends on being called on each
+   line of a file in sequential order.
+  
+   Global variable bb_annotate_all_lines enables execution count
+   compression (counts are supressed if identical to the last one)
+   and prints counts on all executed lines.  Otherwise, print
+   all basic-block execution counts exactly once on the line
+   that starts the basic-block.  */
 
 static void
 DEFUN (annotate_with_count, (buf, width, line_num, arg),
@@ -363,10 +334,10 @@ DEFUN (annotate_with_count, (buf, width, line_num, arg),
   unsigned long last_print = (unsigned long) -1;
 
   b = NULL;
+  
   if (line_num <= sf->num_lines)
-    {
-      b = sf->line[line_num - 1];
-    }
+    b = sf->line[line_num - 1];
+
   if (!b)
     {
       for (i = 0; i < width; i++)
@@ -390,13 +361,11 @@ DEFUN (annotate_with_count, (buf, width, line_num, arg),
       ncalls_set = 0;
 
       /* If this is a function entry point, label the line no matter what.
-       * Otherwise, we're in the middle of a function, so check to see
-       * if the first basic-block address is larger than the starting
-       * address of the line.  If so, then this line begins with a
-       * a portion of the previous basic-block, so print that prior
-       * execution count (if bb_annotate_all_lines is set).
-       */
-
+         Otherwise, we're in the middle of a function, so check to see
+         if the first basic-block address is larger than the starting
+         address of the line.  If so, then this line begins with a
+         a portion of the previous basic-block, so print that prior
+         execution count (if bb_annotate_all_lines is set).  */
       if (b->is_func)
 	{
 	  sprintf (p, "%lu", b->ncalls);
@@ -417,9 +386,8 @@ DEFUN (annotate_with_count, (buf, width, line_num, arg),
 	}
 
       /* Loop through all of this line's basic-blocks.  For each one,
-       * update last_count, then compress sequential identical counts
-       * (if bb_annotate_all_lines) and print the execution count.
-       */
+         update last_count, then compress sequential identical counts
+         (if bb_annotate_all_lines) and print the execution count.  */
 
       for (i = 0; i < NBBS && b->bb_addr[i]; i++)
 	{
@@ -432,9 +400,7 @@ DEFUN (annotate_with_count, (buf, width, line_num, arg),
 	  ncalls += last_count;
 
 	  if (bb_annotate_all_lines && last_count == last_print)
-	    {
-	      continue;
-	    }
+	    continue;
 
 	  if (p > tmpbuf)
 	    *p++ = ',';
@@ -445,11 +411,10 @@ DEFUN (annotate_with_count, (buf, width, line_num, arg),
 	}
 
       /* We're done.  If nothing has been printed on this line,
-       * print the last execution count (bb_annotate_all_lines),
-       * which could be from either a previous line (if there were
-       * no BBs on this line), or from this line (if all our BB
-       * counts were compressed out because they were identical).
-       */
+         print the last execution count (bb_annotate_all_lines),
+         which could be from either a previous line (if there were
+         no BBs on this line), or from this line (if all our BB
+         counts were compressed out because they were identical).  */
 
       if (bb_annotate_all_lines && p == tmpbuf)
 	{
@@ -497,11 +462,10 @@ DEFUN (annotate_with_count, (buf, width, line_num, arg),
     }
 }
 
-/*
- * Annotate the files named in SOURCE_FILES with basic-block statistics
- * (execution counts).  After each source files, a few statistics
- * regarding that source file are printed.
- */
+/* Annotate the files named in SOURCE_FILES with basic-block statistics
+   (execution counts).  After each source files, a few statistics
+   regarding that source file are printed.  */
+
 void
 DEFUN_VOID (print_annotated_source)
 {
@@ -510,18 +474,14 @@ DEFUN_VOID (print_annotated_source)
   int i, table_len;
   FILE *ofp;
 
-  /*
-   * Find maximum line number for each source file that user is
-   * interested in:
-   */
+  /* Find maximum line number for each source file that user is
+     interested in:  */
   for (sym = symtab.base; sym < symtab.limit; ++sym)
     {
-      /*
-       * Accept symbol if it's file is known, its line number is
-       * bigger than anything we have seen for that file so far and
-       * if it's in the INCL_ANNO table or there is no INCL_ANNO
-       * table and it does not appear in the EXCL_ANNO table.
-       */
+      /* Accept symbol if it's file is known, its line number is
+         bigger than anything we have seen for that file so far and
+         if it's in the INCL_ANNO table or there is no INCL_ANNO
+         table and it does not appear in the EXCL_ANNO table.  */
       if (sym->file && sym->line_num > sym->file->num_lines
 	  && (sym_lookup (&syms[INCL_ANNO], sym->addr)
 	      || (syms[INCL_ANNO].len == 0
@@ -531,8 +491,7 @@ DEFUN_VOID (print_annotated_source)
 	}
     }
 
-  /* allocate line descriptors: */
-
+  /* Allocate line descriptors:  */
   for (sf = first_src_file; sf; sf = sf->next)
     {
       if (sf->num_lines > 0)
@@ -542,8 +501,7 @@ DEFUN_VOID (print_annotated_source)
 	}
     }
 
-  /* count executions per line: */
-
+  /* Count executions per line:  */
   for (sym = symtab.base; sym < symtab.limit; ++sym)
     {
       if (sym->file && sym->file->num_lines
@@ -553,19 +511,20 @@ DEFUN_VOID (print_annotated_source)
 	{
 	  sym->file->ncalls += sym->ncalls;
 	  line_stats = sym->file->line[sym->line_num - 1];
+	  
 	  if (!line_stats)
 	    {
-	      /* common case has at most one basic-block per source line: */
+	      /* Common case has at most one basic-block per source line:  */
 	      sym->file->line[sym->line_num - 1] = sym;
 	    }
 	  else if (!line_stats->addr)
 	    {
-	      /* sym is the 3rd .. nth basic block for this line: */
+	      /* sym is the 3rd .. nth basic block for this line:  */
 	      line_stats->ncalls += sym->ncalls;
 	    }
 	  else
 	    {
-	      /* sym is the second basic block for this line */
+	      /* sym is the second basic block for this line.  */
 	      new_line = (Sym *) xmalloc (sizeof (*new_line));
 	      *new_line = *line_stats;
 	      new_line->addr = 0;
@@ -575,41 +534,37 @@ DEFUN_VOID (print_annotated_source)
 	}
     }
 
-  /* plod over source files, annotating them: */
-
+  /* Plod over source files, annotating them:  */
   for (sf = first_src_file; sf; sf = sf->next)
     {
       if (!sf->num_lines || (ignore_zeros && sf->ncalls == 0))
-	{
-	  continue;
-	}
+	continue;
 
       num_executable_lines = num_lines_executed = 0;
+      
       ofp = annotate_source (sf, 16, annotate_with_count, sf);
       if (!ofp)
-	{
-	  continue;
-	}
+	continue;
 
       if (bb_table_length > 0)
 	{
 	  fprintf (ofp, _("\n\nTop %d Lines:\n\n     Line      Count\n\n"),
 		   bb_table_length);
 
-	  /* abuse line arrays---it's not needed anymore: */
+	  /* Abuse line arrays---it's not needed anymore:  */
 	  qsort (sf->line, sf->num_lines, sizeof (sf->line[0]), cmp_ncalls);
 	  table_len = bb_table_length;
+	  
 	  if (table_len > sf->num_lines)
-	    {
-	      table_len = sf->num_lines;
-	    }
+	    table_len = sf->num_lines;
+	  
 	  for (i = 0; i < table_len; ++i)
 	    {
 	      sym = sf->line[i];
+	      
 	      if (!sym || sym->ncalls == 0)
-		{
 		  break;
-		}
+
 	      fprintf (ofp, "%9d %10lu\n", sym->line_num, sym->ncalls);
 	    }
 	}
@@ -631,9 +586,8 @@ DEFUN_VOID (print_annotated_source)
 	       num_executable_lines
 	       ? (double) sf->ncalls / (double) num_executable_lines
 	       : 0.0);
+      
       if (ofp != stdout)
-	{
-	  fclose (ofp);
-	}
+	fclose (ofp);
     }
 }