Add GPL copyright notices to uncopyrighted files.

Add copy of GPL.

1 files changed, 67 insertions, 56 deletions

diff --git a/gprof/gmon_io.c b/gprof/gmon_io.c
index f2ac524..af1d767 100644
--- a/gprof/gmon_io.c
+++ b/gprof/gmon_io.c
@@ -1,6 +1,24 @@
-/*
- * Input and output from/to gmon.out files.
- */
+/* gmon_io.c - Input and output from/to gmon.out files.
+
+   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 "cg_arcs.h"
 #include "basic_blocks.h"
 #include "bfd.h"
@@ -8,18 +26,17 @@
 #include "call_graph.h"
 #include "gmon_io.h"
 #include "gmon_out.h"
-#include "gmon.h"		/* fetch header for old format */
+#include "gmon.h"		/* Fetch header for old format.  */
 #include "gprof.h"
 #include "hertz.h"
 #include "hist.h"
 #include "libiberty.h"
 
 int gmon_input = 0;
-int gmon_file_version = 0;	/* 0 == old (non-versioned) file format */
+int gmon_file_version = 0;	/* 0 == old (non-versioned) file format.  */
+
+/* This probably ought to be in libbfd.  */
 
-/*
- * This probably ought to be in libbfd.
- */
 bfd_vma
 DEFUN (get_vma, (abfd, addr), bfd * abfd AND bfd_byte * addr)
 {
@@ -37,9 +54,8 @@ DEFUN (get_vma, (abfd, addr), bfd * abfd AND bfd_byte * addr)
 }
 
 
-/*
- * This probably ought to be in libbfd.
- */
+/* This probably ought to be in libbfd.  */
+
 void
 DEFUN (put_vma, (abfd, val, addr), bfd * abfd AND bfd_vma val AND bfd_byte * addr)
 {
@@ -67,8 +83,7 @@ DEFUN (gmon_out_read, (filename), const char *filename)
   unsigned char tag;
   int nhist = 0, narcs = 0, nbbs = 0;
 
-  /* open gmon.out file: */
-
+  /* Open gmon.out file.  */
   if (strcmp (filename, "-") == 0)
     {
       ifp = stdin;
@@ -79,12 +94,14 @@ DEFUN (gmon_out_read, (filename), const char *filename)
   else
     {
       ifp = fopen (filename, FOPEN_RB);
+      
       if (!ifp)
 	{
 	  perror (filename);
 	  done (1);
 	}
     }
+  
   if (fread (&ghdr, sizeof (struct gmon_hdr), 1, ifp) != 1)
     {
       fprintf (stderr, _("%s: file too short to be a gmon file\n"),
@@ -102,9 +119,9 @@ DEFUN (gmon_out_read, (filename), const char *filename)
 	  done (1);
 	}
 
-      /* right magic, so it's probably really a new gmon.out file */
-
+      /* Right magic, so it's probably really a new gmon.out file.  */
       gmon_file_version = bfd_get_32 (core_bfd, (bfd_byte *) ghdr.version);
+      
       if (gmon_file_version != GMON_VERSION && gmon_file_version != 0)
 	{
 	  fprintf (stderr,
@@ -113,7 +130,7 @@ DEFUN (gmon_out_read, (filename), const char *filename)
 	  done (1);
 	}
 
-      /* read in all the records: */
+      /* Read in all the records.  */
       while (fread (&tag, sizeof (tag), 1, ifp) == 1)
 	{
 	  switch (tag)
@@ -163,22 +180,19 @@ DEFUN (gmon_out_read, (filename), const char *filename)
       UNIT raw_bin_count;
       struct hdr tmp;
 
-      /*
-       * Information from a gmon.out file is in two parts: an array of
-       * sampling hits within pc ranges, and the arcs.
-       */
+      /* Information from a gmon.out file is in two parts: an array of
+         sampling hits within pc ranges, and the arcs.  */
       gmon_input = INPUT_HISTOGRAM | INPUT_CALL_GRAPH;
 
-      /*
-       * This fseek() ought to work even on stdin as long as it's
-       * not an interactive device (heck, is there anybody who would
-       * want to type in a gmon.out at the terminal?).
-       */
+      /* This fseek() ought to work even on stdin as long as it's
+         not an interactive device (heck, is there anybody who would
+         want to type in a gmon.out at the terminal?).  */
       if (fseek (ifp, 0, SEEK_SET) < 0)
 	{
 	  perror (filename);
 	  done (1);
 	}
+      
       if (fread (&raw, 1, sizeof (struct raw_phdr), ifp)
 	  != sizeof (struct raw_phdr))
 	{
@@ -186,6 +200,7 @@ DEFUN (gmon_out_read, (filename), const char *filename)
 		   filename);
 	  done (1);
 	}
+      
       tmp.low_pc = get_vma (core_bfd, (bfd_byte *) &raw.low_pc[0]);
       tmp.high_pc = get_vma (core_bfd, (bfd_byte *) &raw.high_pc[0]);
       tmp.ncnt = bfd_get_32 (core_bfd, (bfd_byte *) &raw.ncnt[0]);
@@ -196,8 +211,8 @@ DEFUN (gmon_out_read, (filename), const char *filename)
 	  int profrate;
 
 	  /* 4.4BSD format header.  */
-
 	  profrate = bfd_get_32 (core_bfd, (bfd_byte *) &raw.profrate[0]);
+	  
 	  if (!s_highpc)
 	    hz = profrate;
 	  else if (hz != profrate)
@@ -212,7 +227,7 @@ DEFUN (gmon_out_read, (filename), const char *filename)
 	}
       else
 	{
-	  /* old style BSD format.  */
+	  /* Old style BSD format.  */
 	  if (file_format == FF_BSD44)
 	    {
 	      fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
@@ -236,6 +251,7 @@ DEFUN (gmon_out_read, (filename), const char *filename)
 		   filename);
 	  done (1);
 	}
+      
       h = tmp;
       s_lowpc = (bfd_vma) h.low_pc;
       s_highpc = (bfd_vma) h.high_pc;
@@ -243,6 +259,7 @@ DEFUN (gmon_out_read, (filename), const char *filename)
       highpc = (bfd_vma) h.high_pc / sizeof (UNIT);
       samp_bytes = h.ncnt - header_size;
       hist_num_bins = samp_bytes / sizeof (UNIT);
+      
       DBG (SAMPLEDEBUG,
 	   printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx ncnt %d\n",
 		   (unsigned long) h.low_pc, (unsigned long) h.high_pc,
@@ -264,14 +281,13 @@ DEFUN (gmon_out_read, (filename), const char *filename)
         }
 
       if (hist_num_bins)
-	{
-	  ++nhist;
-	}
+	++nhist;
 
       if (!hist_sample)
 	{
 	  hist_sample =
 	    (int *) xmalloc (hist_num_bins * sizeof (hist_sample[0]));
+	  
 	  memset (hist_sample, 0, hist_num_bins * sizeof (hist_sample[0]));
 	}
 
@@ -284,34 +300,35 @@ DEFUN (gmon_out_read, (filename), const char *filename)
 		       whoami, --i, hist_num_bins);
 	      done (1);
 	    }
+	  
 	  hist_sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
 	}
 
-      /*
-       * The rest of the file consists of a bunch of <from,self,count>
-       * tuples:
-       */
+      /* The rest of the file consists of a bunch of
+	 <from,self,count> tuples.  */
       while (fread (&raw_arc, sizeof (raw_arc), 1, ifp) == 1)
 	{
 	  ++narcs;
 	  from_pc = get_vma (core_bfd, (bfd_byte *) raw_arc.from_pc);
 	  self_pc = get_vma (core_bfd, (bfd_byte *) raw_arc.self_pc);
 	  count = bfd_get_32 (core_bfd, (bfd_byte *) raw_arc.count);
+	  
 	  DBG (SAMPLEDEBUG,
 	     printf ("[gmon_out_read] frompc 0x%lx selfpc 0x%lx count %lu\n",
 		     (unsigned long) from_pc, (unsigned long) self_pc, count));
-	  /* add this arc: */
+	  
+	  /* Add this arc.  */
 	  cg_tally (from_pc, self_pc, count);
 	}
+      
       fclose (ifp);
 
       if (hz == HZ_WRONG)
 	{
-	  /*
-	   * How many ticks per second?  If we can't tell, report
-	   * time in ticks.
-	   */
+	  /* How many ticks per second?  If we can't tell, report
+	     time in ticks.  */
 	  hz = hertz ();
+	  
 	  if (hz == HZ_WRONG)
 	    {
 	      hz = 1;
@@ -356,33 +373,28 @@ DEFUN (gmon_out_write, (filename), const char *filename)
 
   if (file_format == FF_AUTO || file_format == FF_MAGIC)
     {
-      /* write gmon header: */
+      /* Write gmon header.  */
 
       memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
       bfd_put_32 (core_bfd, GMON_VERSION, (bfd_byte *) ghdr.version);
+      
       if (fwrite (&ghdr, sizeof (ghdr), 1, ofp) != 1)
 	{
 	  perror (filename);
 	  done (1);
 	}
 
-      /* write execution time histogram if we have one: */
+      /* Write execution time histogram if we have one.  */
       if (gmon_input & INPUT_HISTOGRAM)
-	{
-	  hist_write_hist (ofp, filename);
-	}
+	hist_write_hist (ofp, filename);
 
-      /* write call graph arcs if we have any: */
+      /* Write call graph arcs if we have any.  */
       if (gmon_input & INPUT_CALL_GRAPH)
-	{
-	  cg_write_arcs (ofp, filename);
-	}
+	cg_write_arcs (ofp, filename);
 
-      /* write basic-block info if we have it: */
+      /* Write basic-block info if we have it.  */
       if (gmon_input & INPUT_BB_COUNTS)
-	{
-	  bb_write_blocks (ofp, filename);
-	}
+	bb_write_blocks (ofp, filename);
     }
   else if (file_format == FF_BSD || file_format == FF_BSD44)
     {
@@ -423,8 +435,7 @@ DEFUN (gmon_out_write, (filename), const char *filename)
 	    }
 	}
 
-      /* dump the samples: */
-
+      /* Dump the samples.  */
       for (i = 0; i < hist_num_bins; ++i)
 	{
 	  bfd_put_16 (core_bfd, hist_sample[i], (bfd_byte *) & raw_bin_count[0]);
@@ -435,8 +446,7 @@ DEFUN (gmon_out_write, (filename), const char *filename)
 	    }
 	}
 
-      /* dump the normalized raw arc information: */
-
+      /* Dump the normalized raw arc information.  */
       for (sym = symtab.base; sym < symtab.limit; ++sym)
 	{
 	  for (arc = sym->cg.children; arc; arc = arc->next_child)
@@ -457,6 +467,7 @@ DEFUN (gmon_out_write, (filename), const char *filename)
 			   (unsigned long) arc->child->addr, arc->count));
 	    }
 	}
+      
       fclose (ofp);
     }
   else