2004-10-29 Andrew Cagney <cagney@gnu.org>

[deliverable/binutils-gdb.git] / gprof / hist.c

diff --git a/gprof/hist.c b/gprof/hist.c
index ed360cdc8b63c2b161e68d2e0ac8d671f051f506..0936bbd8562a8d89625ac3af2b9cc1644e000445 100644 (file)
--- a/gprof/hist.c
+++ b/gprof/hist.c
@@ -1,6 +1,6 @@
 /* hist.c  -  Histogram related operations.
 
-   Copyright 2000, 2001 Free Software Foundation, Inc.
+   Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
 
    This file is part of GNU Binutils.
 
@@ -19,23 +19,27 @@
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
    02111-1307, USA.  */
 \f
-#include <stdio.h>
 #include "libiberty.h"
 #include "gprof.h"
+#include "search_list.h"
+#include "source.h"
+#include "symtab.h"
 #include "corefile.h"
 #include "gmon_io.h"
 #include "gmon_out.h"
 #include "hist.h"
-#include "symtab.h"
 #include "sym_ids.h"
 #include "utils.h"
 
 #define UNITS_TO_CODE (offset_to_code / sizeof(UNIT))
 
-static void scale_and_align_entries PARAMS ((void));
+static void scale_and_align_entries (void);
+static void print_header (int);
+static void print_line (Sym *, double);
+static int cmp_time (const PTR, const PTR);
 
 /* Declarations of automatically generated functions to output blurbs.  */
-extern void flat_blurb PARAMS ((FILE * fp));
+extern void flat_blurb (FILE * fp);
 
 bfd_vma s_lowpc;               /* Lowest address in .text.  */
 bfd_vma s_highpc = 0;          /* Highest address in .text.  */
@@ -76,7 +80,7 @@ SItab[] =
    is provided for formatting error messages only.  */
 
 void
-DEFUN (hist_read_rec, (ifp, filename), FILE * ifp AND const char *filename)
+hist_read_rec (FILE * ifp, const char *filename)
 {
   bfd_vma n_lowpc, n_highpc;
   int i, ncnt, profrate;
@@ -151,7 +155,7 @@ DEFUN (hist_read_rec, (ifp, filename), FILE * ifp AND const char *filename)
    of OFP and is provided for formatting error-messages only.  */
 
 void
-DEFUN (hist_write_hist, (ofp, filename), FILE * ofp AND const char *filename)
+hist_write_hist (FILE * ofp, const char *filename)
 {
   UNIT count;
   int i;
@@ -172,7 +176,7 @@ DEFUN (hist_write_hist, (ofp, filename), FILE * ofp AND const char *filename)
 
   for (i = 0; i < hist_num_bins; ++i)
     {
-      bfd_put_16 (core_bfd, hist_sample[i], (bfd_byte *) & count[0]);
+      bfd_put_16 (core_bfd, (bfd_vma) hist_sample[i], (bfd_byte *) &count[0]);
 
       if (fwrite (&count[0], sizeof (count), 1, ofp) != 1)
        {
@@ -254,7 +258,7 @@ scale_and_align_entries ()
    cases, above).  */
 
 void
-DEFUN_VOID (hist_assign_samples)
+hist_assign_samples ()
 {
   bfd_vma bin_low_pc, bin_high_pc;
   bfd_vma sym_low_pc, sym_high_pc;
@@ -343,7 +347,7 @@ DEFUN_VOID (hist_assign_samples)
 /* Print header for flag histogram profile.  */
 
 static void
-DEFUN (print_header, (prefix), const char prefix)
+print_header (int prefix)
 {
   char unit[64];
 
@@ -382,7 +386,7 @@ DEFUN (print_header, (prefix), const char prefix)
 
 
 static void
-DEFUN (print_line, (sym, scale), Sym * sym AND double scale)
+print_line (Sym *sym, double scale)
 {
   if (ignore_zeros && sym->ncalls == 0 && sym->hist.time == 0)
     return;
@@ -419,7 +423,7 @@ DEFUN (print_line, (sym, scale), Sym * sym AND double scale)
    lexicographic order of the function names.  */
 
 static int
-DEFUN (cmp_time, (lp, rp), const PTR lp AND const PTR rp)
+cmp_time (const PTR lp, const PTR rp)
 {
   const Sym *left = *(const Sym **) lp;
   const Sym *right = *(const Sym **) rp;
@@ -446,11 +450,11 @@ DEFUN (cmp_time, (lp, rp), const PTR lp AND const PTR rp)
 /* Print the flat histogram profile.  */
 
 void
-DEFUN_VOID (hist_print)
+hist_print ()
 {
   Sym **time_sorted_syms, *top_dog, *sym;
   unsigned int index;
-  int log_scale;
+  unsigned log_scale;
   double top_time, time;
   bfd_vma addr;
 
@@ -515,11 +519,12 @@ DEFUN_VOID (hist_print)
        {
          top_time /= hz;
 
-         while (SItab[log_scale].scale * top_time < 1000.0
-                && ((size_t) log_scale
-                    < sizeof (SItab) / sizeof (SItab[0]) - 1))
+         for (log_scale = 0; log_scale < ARRAY_SIZE (SItab); log_scale ++)
            {
-             ++log_scale;
+             double scaled_value = SItab[log_scale].scale * top_time;
+
+             if (scaled_value >= 1.0 && scaled_value < 1000.0) 
+               break;
            }
        }
     }