/* gmon_io.c - Input and output from/to gmon.out files.
- Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
+ 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"
#include "hist.h"
#include "libiberty.h"
+enum gmon_ptr_size {
+ ptr_32bit,
+ ptr_64bit
+};
+
+enum gmon_ptr_signedness {
+ ptr_signed,
+ ptr_unsigned
+};
+
+static enum gmon_ptr_size gmon_get_ptr_size (void);
+static enum gmon_ptr_signedness gmon_get_ptr_signedness (void);
+
#ifdef BFD_HOST_U_64_BIT
-static int gmon_io_read_64 PARAMS ((FILE *, BFD_HOST_U_64_BIT *));
-static int gmon_io_write_64 PARAMS ((FILE *, BFD_HOST_U_64_BIT));
+static int gmon_io_read_64 (FILE *, BFD_HOST_U_64_BIT *);
+static int gmon_io_write_64 (FILE *, BFD_HOST_U_64_BIT);
#endif
static int gmon_read_raw_arc
- PARAMS ((FILE *, bfd_vma *, bfd_vma *, unsigned long *));
+ (FILE *, bfd_vma *, bfd_vma *, unsigned long *);
static int gmon_write_raw_arc
- PARAMS ((FILE *, bfd_vma, bfd_vma, unsigned long));
+ (FILE *, bfd_vma, bfd_vma, unsigned long);
int gmon_input = 0;
int gmon_file_version = 0; /* 0 == old (non-versioned) file format. */
+static enum gmon_ptr_size
+gmon_get_ptr_size ()
+{
+ int size;
+
+ /* Pick best size for pointers. Start with the ELF size, and if not
+ elf go with the architecture's address size. */
+ size = bfd_get_arch_size (core_bfd);
+ if (size == -1)
+ size = bfd_arch_bits_per_address (core_bfd);
+
+ switch (size)
+ {
+ case 32:
+ return ptr_32bit;
+
+ case 64:
+ return ptr_64bit;
+
+ default:
+ fprintf (stderr, _("%s: address size has unexpected value of %u\n"),
+ whoami, size);
+ done (1);
+ }
+}
+
+static enum gmon_ptr_signedness
+gmon_get_ptr_signedness ()
+{
+ int sext;
+
+ /* Figure out whether to sign extend. If BFD doesn't know, assume no. */
+ sext = bfd_get_sign_extend_vma (core_bfd);
+ if (sext == -1)
+ return ptr_unsigned;
+ return (sext ? ptr_signed : ptr_unsigned);
+}
+
int
-gmon_io_read_32 (ifp, valp)
- FILE *ifp;
- unsigned int *valp;
+gmon_io_read_32 (FILE *ifp, unsigned int *valp)
{
char buf[4];
#ifdef BFD_HOST_U_64_BIT
static int
-gmon_io_read_64 (ifp, valp)
- FILE *ifp;
- BFD_HOST_U_64_BIT *valp;
+gmon_io_read_64 (FILE *ifp, BFD_HOST_U_64_BIT *valp)
{
char buf[8];
#endif
int
-gmon_io_read_vma (ifp, valp)
- FILE *ifp;
- bfd_vma *valp;
+gmon_io_read_vma (FILE *ifp, bfd_vma *valp)
{
unsigned int val32;
#ifdef BFD_HOST_U_64_BIT
BFD_HOST_U_64_BIT val64;
#endif
- switch (bfd_arch_bits_per_address (core_bfd))
+ switch (gmon_get_ptr_size ())
{
- case 32:
+ case ptr_32bit:
if (gmon_io_read_32 (ifp, &val32))
return 1;
- *valp = val32;
+ if (gmon_get_ptr_signedness () == ptr_signed)
+ *valp = (int) val32;
+ else
+ *valp = val32;
break;
#ifdef BFD_HOST_U_64_BIT
- case 64:
+ case ptr_64bit:
if (gmon_io_read_64 (ifp, &val64))
return 1;
- *valp = val64;
+#ifdef BFD_HOST_64_BIT
+ if (gmon_get_ptr_signedness () == ptr_signed)
+ *valp = (BFD_HOST_64_BIT) val64;
+ else
+#endif
+ *valp = val64;
break;
#endif
-
- default:
- fprintf (stderr, _("%s: bits per address has unexpected value of %u\n"),
- whoami, bfd_arch_bits_per_address (core_bfd));
- done (1);
}
return 0;
}
int
-gmon_io_read (ifp, buf, n)
- FILE *ifp;
- char *buf;
- size_t n;
+gmon_io_read (FILE *ifp, char *buf, size_t n)
{
if (fread (buf, 1, n, ifp) != n)
return 1;
}
int
-gmon_io_write_32 (ofp, val)
- FILE *ofp;
- unsigned int val;
+gmon_io_write_32 (FILE *ofp, unsigned int val)
{
char buf[4];
#ifdef BFD_HOST_U_64_BIT
static int
-gmon_io_write_64 (ofp, val)
- FILE *ofp;
- BFD_HOST_U_64_BIT val;
+gmon_io_write_64 (FILE *ofp, BFD_HOST_U_64_BIT val)
{
char buf[8];
#endif
int
-gmon_io_write_vma (ofp, val)
- FILE *ofp;
- bfd_vma val;
+gmon_io_write_vma (FILE *ofp, bfd_vma val)
{
- switch (bfd_arch_bits_per_address (core_bfd))
+ switch (gmon_get_ptr_size ())
{
- case 32:
+ case ptr_32bit:
if (gmon_io_write_32 (ofp, (unsigned int) val))
return 1;
break;
#ifdef BFD_HOST_U_64_BIT
- case 64:
+ case ptr_64bit:
if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) val))
return 1;
break;
#endif
-
- default:
- fprintf (stderr, _("%s: bits per address has unexpected value of %u\n"),
- whoami, bfd_arch_bits_per_address (core_bfd));
- done (1);
}
return 0;
}
int
-gmon_io_write_8 (ofp, val)
- FILE *ofp;
- unsigned int val;
+gmon_io_write_8 (FILE *ofp, unsigned int val)
{
char buf[1];
}
int
-gmon_io_write (ofp, buf, n)
- FILE *ofp;
- char *buf;
- size_t n;
+gmon_io_write (FILE *ofp, char *buf, size_t n)
{
if (fwrite (buf, 1, n, ofp) != n)
return 1;
}
static int
-gmon_read_raw_arc (ifp, fpc, spc, cnt)
- FILE *ifp;
- bfd_vma *fpc;
- bfd_vma *spc;
- unsigned long *cnt;
+gmon_read_raw_arc (FILE *ifp, bfd_vma *fpc, bfd_vma *spc, unsigned long *cnt)
{
#ifdef BFD_HOST_U_64_BIT
BFD_HOST_U_64_BIT cnt64;
|| gmon_io_read_vma (ifp, spc))
return 1;
- switch (bfd_arch_bits_per_address (core_bfd))
+ switch (gmon_get_ptr_size ())
{
- case 32:
+ case ptr_32bit:
if (gmon_io_read_32 (ifp, &cnt32))
return 1;
*cnt = cnt32;
break;
#ifdef BFD_HOST_U_64_BIT
- case 64:
+ case ptr_64bit:
if (gmon_io_read_64 (ifp, &cnt64))
return 1;
*cnt = cnt64;
#endif
default:
- fprintf (stderr, _("%s: bits per address has unexpected value of %u\n"),
- whoami, bfd_arch_bits_per_address (core_bfd));
- done (1);
+ return 1;
}
return 0;
}
static int
-gmon_write_raw_arc (ofp, fpc, spc, cnt)
- FILE *ofp;
- bfd_vma fpc;
- bfd_vma spc;
- unsigned long cnt;
+gmon_write_raw_arc (FILE *ofp, bfd_vma fpc, bfd_vma spc, unsigned long cnt)
{
if (gmon_io_write_vma (ofp, fpc)
|| gmon_io_write_vma (ofp, spc))
return 1;
- switch (bfd_arch_bits_per_address (core_bfd))
+ switch (gmon_get_ptr_size ())
{
- case 32:
+ case ptr_32bit:
if (gmon_io_write_32 (ofp, (unsigned int) cnt))
return 1;
break;
#ifdef BFD_HOST_U_64_BIT
- case 64:
+ case ptr_64bit:
if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) cnt))
return 1;
break;
#endif
-
- default:
- fprintf (stderr, _("%s: bits per address has unexpected value of %u\n"),
- whoami, bfd_arch_bits_per_address (core_bfd));
- done (1);
}
return 0;
}
void
-gmon_out_read (filename)
- const char *filename;
+gmon_out_read (const char *filename)
{
FILE *ifp;
struct gmon_hdr ghdr;
if (strcmp (filename, "-") == 0)
{
ifp = stdin;
-#ifdef SET_BINARY
SET_BINARY (fileno (stdin));
-#endif
}
else
{
{
bfd_vma low_pc;
bfd_vma high_pc;
- int ncnt;
+ unsigned int ncnt;
};
- int i, samp_bytes, header_size = 0;
+ unsigned int i;
+ 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;
- int version;
+ 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 (version == GMONVERSION)
{
- int profrate;
+ unsigned int profrate;
/* 4.4BSD format header. */
if (gmon_io_read_32 (ifp, &profrate))
goto bad_gmon_file;
- if (!s_highpc)
+ if (!histograms)
hz = profrate;
- else if (hz != profrate)
+ else if (hz != (int) profrate)
{
fprintf (stderr,
_("%s: profiling rate incompatible with first gmon file\n"),
done (1);
}
- switch (bfd_arch_bits_per_address (core_bfd))
+ switch (gmon_get_ptr_size ())
{
- case 32:
+ case ptr_32bit:
header_size = GMON_HDRSIZE_BSD44_32;
break;
- case 64:
+ case ptr_64bit:
header_size = GMON_HDRSIZE_BSD44_64;
break;
-
- default:
- fprintf (stderr,
- _("%s: bits per address has unexpected value of %u\n"),
- whoami, bfd_arch_bits_per_address (core_bfd));
- done (1);
}
}
else
done (1);
}
- switch (bfd_arch_bits_per_address (core_bfd))
+ switch (gmon_get_ptr_size ())
{
- case 32:
+ case ptr_32bit:
header_size = GMON_HDRSIZE_OLDBSD_32;
break;
- case 64:
+ case ptr_64bit:
header_size = GMON_HDRSIZE_OLDBSD_64;
break;
-
- default:
- fprintf (stderr,
- _("%s: bits per address has unexpected value of %u\n"),
- whoami, bfd_arch_bits_per_address (core_bfd));
- done (1);
}
}
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"),
printf (nbbs == 1 ?
_("\t%d basic-block count record\n") :
_("\t%d basic-block count records\n"), nbbs);
- first_output = false;
+ first_output = FALSE;
}
}
void
-gmon_out_write (filename)
- const char *filename;
+gmon_out_write (const char *filename)
{
FILE *ofp;
struct gmon_hdr ghdr;
else if (file_format == FF_BSD || file_format == FF_BSD44)
{
UNIT raw_bin_count;
- int i, hdrsize;
+ unsigned int i, hdrsize;
unsigned padsize;
char pad[3*4];
Arc *arc;
|| hz != hertz())
{
padsize = 3*4;
- switch (bfd_arch_bits_per_address (core_bfd))
+ switch (gmon_get_ptr_size ())
{
- case 32:
+ case ptr_32bit:
hdrsize = GMON_HDRSIZE_BSD44_32;
break;
- case 64:
+ case ptr_64bit:
hdrsize = GMON_HDRSIZE_BSD44_64;
break;
-
- default:
- fprintf (stderr,
- _("%s: bits per address has unexpected value of %u\n"),
- whoami, bfd_arch_bits_per_address (core_bfd));
- done (1);
}
}
else
{
padsize = 0;
- switch (bfd_arch_bits_per_address (core_bfd))
+ switch (gmon_get_ptr_size ())
{
- case 32:
+ case ptr_32bit:
hdrsize = GMON_HDRSIZE_OLDBSD_32;
break;
- case 64:
+ 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. */
padsize = 4;
#endif
break;
-
- default:
- fprintf (stderr,
- _("%s: bits per address has unexpected value of %u\n"),
- whoami, bfd_arch_bits_per_address (core_bfd));
- done (1);
}
}
/* 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 / binutils.git / blobdiff