/* Dump a gcov file, for debugging use.
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 Free Software Foundation, Inc.
Contributed by Nathan Sidwell <nathan@codesourcery.com>
Gcov is free software; you can redistribute it and/or modify
#include "coretypes.h"
#include "tm.h"
#include "version.h"
+#include "intl.h"
+#include "diagnostic.h"
#include <getopt.h>
#define IN_GCOV (-1)
#include "gcov-io.h"
#include "gcov-io.c"
-static void dump_file (const char *);
+static void dump_gcov_file (const char *);
static void print_prefix (const char *, unsigned, gcov_position_t);
static void print_usage (void);
static void print_version (void);
static void tag_lines (const char *, unsigned, unsigned);
static void tag_counters (const char *, unsigned, unsigned);
static void tag_summary (const char *, unsigned, unsigned);
+static void dump_working_sets (const char *filename ATTRIBUTE_UNUSED,
+ const struct gcov_ctr_summary *summary);
extern int main (int, char **);
typedef struct tag_format
static int flag_dump_contents = 0;
static int flag_dump_positions = 0;
+static int flag_dump_working_sets = 0;
static const struct option options[] =
{
{ "version", no_argument, NULL, 'v' },
{ "long", no_argument, NULL, 'l' },
{ "positions", no_argument, NULL, 'o' },
+ { "working-sets", no_argument, NULL, 'w' },
{ 0, 0, 0, 0 }
};
main (int argc ATTRIBUTE_UNUSED, char **argv)
{
int opt;
+ const char *p;
+
+ p = argv[0] + strlen (argv[0]);
+ while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1]))
+ --p;
+ progname = p;
+
+ xmalloc_set_program_name (progname);
/* Unlock the stdio streams. */
unlock_std_streams ();
- while ((opt = getopt_long (argc, argv, "hlpv", options, NULL)) != -1)
+ gcc_init_libintl ();
+
+ diagnostic_initialize (global_dc, 0);
+
+ while ((opt = getopt_long (argc, argv, "hlpvw", options, NULL)) != -1)
{
switch (opt)
{
case 'p':
flag_dump_positions = 1;
break;
+ case 'w':
+ flag_dump_working_sets = 1;
+ break;
default:
fprintf (stderr, "unknown flag `%c'\n", opt);
}
}
while (argv[optind])
- dump_file (argv[optind++]);
+ dump_gcov_file (argv[optind++]);
return 0;
}
printf (" -v, --version Print version number\n");
printf (" -l, --long Dump record contents too\n");
printf (" -p, --positions Dump record positions\n");
+ printf (" -w, --working-sets Dump working set computed from summary\n");
}
static void
print_version (void)
{
printf ("gcov-dump %s%s\n", pkgversion_string, version_string);
- printf ("Copyright (C) 2009 Free Software Foundation, Inc.\n");
+ printf ("Copyright (C) 2014 Free Software Foundation, Inc.\n");
printf ("This is free software; see the source for copying conditions.\n"
"There is NO warranty; not even for MERCHANTABILITY or \n"
"FITNESS FOR A PARTICULAR PURPOSE.\n\n");
}
static void
-dump_file (const char *filename)
+dump_gcov_file (const char *filename)
{
unsigned tags[4];
unsigned depth = 0;
const char *type = NULL;
int endianness = 0;
char m[4], v[4];
-
+
if ((endianness = gcov_magic (magic, GCOV_DATA_MAGIC)))
type = "data";
else if ((endianness = gcov_magic (magic, GCOV_NOTE_MAGIC)))
version = gcov_read_unsigned ();
GCOV_UNSIGNED2STRING (v, version);
GCOV_UNSIGNED2STRING (m, magic);
-
+
printf ("%s:%s:magic `%.4s':version `%.4s'%s\n", filename, type,
m, v, endianness < 0 ? " (swapped endianness)" : "");
if (version != GCOV_VERSION)
{
char e[4];
-
+
GCOV_UNSIGNED2STRING (e, GCOV_VERSION);
printf ("%s:warning:current version is `%.4s'\n", filename, e);
}
printf ("%s:stamp %lu\n", filename, (unsigned long)stamp);
}
-
+
while (1)
{
gcov_position_t base, position = gcov_position ();
static void
tag_function (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length)
{
unsigned long pos = gcov_position ();
- printf (" ident=%u", gcov_read_unsigned ());
- printf (", checksum=0x%08x", gcov_read_unsigned ());
-
- if (gcov_position () - pos < length)
+ if (!length)
+ printf (" placeholder");
+ else
{
- const char *name;
+ printf (" ident=%u", gcov_read_unsigned ());
+ printf (", lineno_checksum=0x%08x", gcov_read_unsigned ());
+ printf (", cfg_checksum=0x%08x", gcov_read_unsigned ());
- name = gcov_read_string ();
- printf (", `%s'", name ? name : "NULL");
- name = gcov_read_string ();
- printf (" %s", name ? name : "NULL");
- printf (":%u", gcov_read_unsigned ());
+ if (gcov_position () - pos < length)
+ {
+ const char *name;
+
+ name = gcov_read_string ();
+ printf (", `%s'", name ? name : "NULL");
+ name = gcov_read_string ();
+ printf (" %s", name ? name : "NULL");
+ printf (":%u", gcov_read_unsigned ());
+ }
}
}
dst = gcov_read_unsigned ();
flags = gcov_read_unsigned ();
printf (" %u:%04x", dst, flags);
+ if (flags)
+ {
+ char c = '(';
+
+ if (flags & GCOV_ARC_ON_TREE)
+ printf ("%ctree", c), c = ',';
+ if (flags & GCOV_ARC_FAKE)
+ printf ("%cfake", c), c = ',';
+ if (flags & GCOV_ARC_FALLTHROUGH)
+ printf ("%cfall", c), c = ',';
+ printf (")");
+ }
}
}
}
count = gcov_read_counter ();
printf (" ");
- printf (HOST_WIDEST_INT_PRINT_DEC, count);
+ printf ("%"PRId64, count);
}
}
}
unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
{
struct gcov_summary summary;
- unsigned ix;
+ unsigned ix, h_ix;
+ gcov_bucket_type *histo_bucket;
gcov_read_summary (&summary);
printf (" checksum=0x%08x", summary.checksum);
printf ("\t\tcounts=%u, runs=%u",
summary.ctrs[ix].num, summary.ctrs[ix].runs);
- printf (", sum_all=" HOST_WIDEST_INT_PRINT_DEC,
- (HOST_WIDEST_INT)summary.ctrs[ix].sum_all);
- printf (", run_max=" HOST_WIDEST_INT_PRINT_DEC,
- (HOST_WIDEST_INT)summary.ctrs[ix].run_max);
- printf (", sum_max=" HOST_WIDEST_INT_PRINT_DEC,
- (HOST_WIDEST_INT)summary.ctrs[ix].sum_max);
+ printf (", sum_all=%"PRId64,
+ (int64_t)summary.ctrs[ix].sum_all);
+ printf (", run_max=%"PRId64,
+ (int64_t)summary.ctrs[ix].run_max);
+ printf (", sum_max=%"PRId64,
+ (int64_t)summary.ctrs[ix].sum_max);
+ if (ix != GCOV_COUNTER_ARCS)
+ continue;
+ printf ("\n");
+ print_prefix (filename, 0, 0);
+ printf ("\t\tcounter histogram:");
+ for (h_ix = 0; h_ix < GCOV_HISTOGRAM_SIZE; h_ix++)
+ {
+ histo_bucket = &summary.ctrs[ix].histogram[h_ix];
+ if (!histo_bucket->num_counters)
+ continue;
+ printf ("\n");
+ print_prefix (filename, 0, 0);
+ printf ("\t\t%d: num counts=%u, min counter="
+ "%"PRId64 ", cum_counter="
+ "%"PRId64,
+ h_ix, histo_bucket->num_counters,
+ (int64_t)histo_bucket->min_value,
+ (int64_t)histo_bucket->cum_value);
+ }
+ if (flag_dump_working_sets)
+ dump_working_sets (filename, &summary.ctrs[ix]);
+ }
+}
+
+static void
+dump_working_sets (const char *filename ATTRIBUTE_UNUSED,
+ const struct gcov_ctr_summary *summary)
+{
+ gcov_working_set_t gcov_working_sets[NUM_GCOV_WORKING_SETS];
+ unsigned ws_ix, pctinc, pct;
+ gcov_working_set_t *ws_info;
+
+ compute_working_sets (summary, gcov_working_sets);
+
+ printf ("\n");
+ print_prefix (filename, 0, 0);
+ printf ("\t\tcounter working sets:");
+ /* Multiply the percentage by 100 to avoid float. */
+ pctinc = 100 * 100 / NUM_GCOV_WORKING_SETS;
+ for (ws_ix = 0, pct = pctinc; ws_ix < NUM_GCOV_WORKING_SETS;
+ ws_ix++, pct += pctinc)
+ {
+ if (ws_ix == NUM_GCOV_WORKING_SETS - 1)
+ pct = 9990;
+ ws_info = &gcov_working_sets[ws_ix];
+ /* Print out the percentage using int arithmatic to avoid float. */
+ printf ("\n");
+ print_prefix (filename, 0, 0);
+ printf ("\t\t%u.%02u%%: num counts=%u, min counter="
+ "%"PRId64,
+ pct / 100, pct - (pct / 100 * 100),
+ ws_info->num_counters,
+ (int64_t)ws_info->min_counter);
}
}
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