/* gmon_io.c - Input and output from/to gmon.out files.
- Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 1999-2020 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
\f
#include "gprof.h"
+#include "binary-io.h"
#include "search_list.h"
#include "source.h"
#include "symtab.h"
int gmon_file_version = 0; /* 0 == old (non-versioned) file format. */
static enum gmon_ptr_size
-gmon_get_ptr_size ()
+gmon_get_ptr_size (void)
{
int size;
}
static enum gmon_ptr_signedness
-gmon_get_ptr_signedness ()
+gmon_get_ptr_signedness (void)
{
int sext;
*cnt = cnt64;
break;
#endif
+
+ default:
+ return 1;
}
return 0;
}
if (strcmp (filename, "-") == 0)
{
ifp = stdin;
-#ifdef SET_BINARY
SET_BINARY (fileno (stdin));
-#endif
}
else
{
int samp_bytes, header_size = 0;
unsigned long count;
bfd_vma from_pc, self_pc;
- static struct hdr h;
UNIT raw_bin_count;
struct hdr tmp;
unsigned int version;
+ unsigned int hist_num_bins;
/* Information from a gmon.out file is in two parts: an array of
sampling hits within pc ranges, and the arcs. */
if (gmon_io_read_32 (ifp, &profrate))
goto bad_gmon_file;
- if (!s_highpc)
+ if (!histograms)
hz = profrate;
else if (hz != (int) profrate)
{
done (1);
}
- if (s_highpc && (tmp.low_pc != h.low_pc
- || tmp.high_pc != h.high_pc || tmp.ncnt != h.ncnt))
+ samp_bytes = tmp.ncnt - header_size;
+ hist_num_bins = samp_bytes / sizeof (UNIT);
+ if (histograms && (tmp.low_pc != histograms->lowpc
+ || tmp.high_pc != histograms->highpc
+ || (hist_num_bins != histograms->num_bins)))
{
fprintf (stderr, _("%s: incompatible with first gmon file\n"),
filename);
done (1);
}
- h = tmp;
- s_lowpc = (bfd_vma) h.low_pc;
- s_highpc = (bfd_vma) h.high_pc;
- lowpc = (bfd_vma) h.low_pc / sizeof (UNIT);
- highpc = (bfd_vma) h.high_pc / sizeof (UNIT);
- samp_bytes = h.ncnt - header_size;
- hist_num_bins = samp_bytes / sizeof (UNIT);
+ if (!histograms)
+ {
+ num_histograms = 1;
+ histograms = (struct histogram *) xmalloc (sizeof (struct histogram));
+ histograms->lowpc = tmp.low_pc;
+ histograms->highpc = tmp.high_pc;
+ histograms->num_bins = hist_num_bins;
+ hist_scale = (double)((tmp.high_pc - tmp.low_pc) / sizeof (UNIT))
+ / hist_num_bins;
+ histograms->sample = (int *) xmalloc (hist_num_bins * sizeof (int));
+ memset (histograms->sample, 0,
+ hist_num_bins * sizeof (int));
+ }
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,
- h.ncnt);
- printf ("[gmon_out_read] s_lowpc 0x%lx s_highpc 0x%lx\n",
- (unsigned long) s_lowpc, (unsigned long) s_highpc);
- printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx\n",
- (unsigned long) lowpc, (unsigned long) highpc);
+ (unsigned long) tmp.low_pc, (unsigned long) tmp.high_pc,
+ tmp.ncnt);
printf ("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",
samp_bytes, hist_num_bins));
/* Make sure that we have sensible values. */
- if (samp_bytes < 0 || lowpc > highpc)
+ if (samp_bytes < 0 || histograms->lowpc > histograms->highpc)
{
fprintf (stderr,
_("%s: file '%s' does not appear to be in gmon.out format\n"),
if (hist_num_bins)
++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]));
- }
-
for (i = 0; i < hist_num_bins; ++i)
{
if (fread (raw_bin_count, sizeof (raw_bin_count), 1, ifp) != 1)
done (1);
}
- hist_sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
+ histograms->sample[i]
+ += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
}
/* The rest of the file consists of a bunch of
cg_tally (from_pc, self_pc, count);
}
- fclose (ifp);
-
if (hz == HZ_WRONG)
{
/* How many ticks per second? If we can't tell, report
done (1);
}
+ if (ifp != stdin)
+ fclose (ifp);
+
if (output_style & STYLE_GMON_INFO)
{
printf (_("File `%s' (version %d) contains:\n"),
case ptr_64bit:
hdrsize = GMON_HDRSIZE_OLDBSD_64;
/* FIXME: Checking host compiler defines here means that we can't
- use a cross gprof alpha OSF. */
+ use a cross gprof alpha OSF. */
#if defined(__alpha__) && defined (__osf__)
padsize = 4;
#endif
/* Write the parts of the headers that are common to both the
old BSD and 4.4BSD formats. */
- if (gmon_io_write_vma (ofp, s_lowpc)
- || gmon_io_write_vma (ofp, s_highpc)
- || gmon_io_write_32 (ofp, hist_num_bins * sizeof (UNIT) + hdrsize))
+ if (gmon_io_write_vma (ofp, histograms->lowpc)
+ || gmon_io_write_vma (ofp, histograms->highpc)
+ || gmon_io_write_32 (ofp, histograms->num_bins
+ * sizeof (UNIT) + hdrsize))
{
perror (filename);
done (1);
}
/* Dump the samples. */
- for (i = 0; i < hist_num_bins; ++i)
+ for (i = 0; i < histograms->num_bins; ++i)
{
- bfd_put_16 (core_bfd, (bfd_vma) hist_sample[i],
+ bfd_put_16 (core_bfd, (bfd_vma) histograms->sample[i],
(bfd_byte *) &raw_bin_count[0]);
if (fwrite (&raw_bin_count[0], sizeof (raw_bin_count), 1, ofp) != 1)
{
projects / deliverable / binutils-gdb.git / blobdiff