/* Dump a gcov file, for debugging use.
- Copyright (C) 2002-2017 Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
Contributed by Nathan Sidwell <nathan@codesourcery.com>
Gcov is free software; you can redistribute it and/or modify
static void print_prefix (const char *, unsigned, gcov_position_t);
static void print_usage (void);
static void print_version (void);
-static void tag_function (const char *, unsigned, unsigned, unsigned);
-static void tag_blocks (const char *, unsigned, unsigned, unsigned);
-static void tag_arcs (const char *, unsigned, unsigned, unsigned);
-static void tag_lines (const char *, unsigned, unsigned, unsigned);
-static void tag_counters (const char *, unsigned, unsigned, unsigned);
-static void tag_summary (const char *, unsigned, unsigned, unsigned);
-static void dump_working_sets (const char *filename ATTRIBUTE_UNUSED,
- const struct gcov_ctr_summary *summary,
- unsigned depth);
+static void tag_function (const char *, unsigned, int, unsigned);
+static void tag_blocks (const char *, unsigned, int, unsigned);
+static void tag_arcs (const char *, unsigned, int, unsigned);
+static void tag_lines (const char *, unsigned, int, unsigned);
+static void tag_counters (const char *, unsigned, int, unsigned);
+static void tag_summary (const char *, unsigned, int, unsigned);
extern int main (int, char **);
typedef struct tag_format
{
unsigned tag;
char const *name;
- void (*proc) (const char *, unsigned, unsigned, unsigned);
+ void (*proc) (const char *, unsigned, int, unsigned);
} tag_format_t;
static int flag_dump_contents = 0;
static int flag_dump_positions = 0;
-static int flag_dump_working_sets = 0;
+static int flag_dump_raw = 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 }
};
{GCOV_TAG_ARCS, "ARCS", tag_arcs},
{GCOV_TAG_LINES, "LINES", tag_lines},
{GCOV_TAG_OBJECT_SUMMARY, "OBJECT_SUMMARY", tag_summary},
- {GCOV_TAG_PROGRAM_SUMMARY, "PROGRAM_SUMMARY", tag_summary},
{0, NULL, NULL}
};
diagnostic_initialize (global_dc, 0);
- while ((opt = getopt_long (argc, argv, "hlpvw", options, NULL)) != -1)
+ while ((opt = getopt_long (argc, argv, "hlprvw", options, NULL)) != -1)
{
switch (opt)
{
case 'p':
flag_dump_positions = 1;
break;
- case 'w':
- flag_dump_working_sets = 1;
+ case 'r':
+ flag_dump_raw = 1;
break;
default:
fprintf (stderr, "unknown flag `%c'\n", opt);
printf (" -h, --help Print this help\n");
printf (" -l, --long Dump record contents too\n");
printf (" -p, --positions Dump record positions\n");
+ printf (" -r, --raw Print content records in raw format\n");
printf (" -v, --version Print version number\n");
- printf (" -w, --working-sets Dump working set computed from summary\n");
printf ("\nFor bug reporting instructions, please see:\n%s.\n",
bug_report_url);
}
print_version (void)
{
printf ("gcov-dump %s%s\n", pkgversion_string, version_string);
- printf ("Copyright (C) 2017 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");
+ printf ("Copyright (C) 2020 Free Software Foundation, Inc.\n");
+ printf ("This is free software; see the source for copying conditions. There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
}
static void
{
unsigned tags[4];
unsigned depth = 0;
+ bool is_data_type;
if (!gcov_open (filename, 1))
{
{
unsigned magic = gcov_read_unsigned ();
unsigned version;
- const char *type = NULL;
int endianness = 0;
char m[4], v[4];
if ((endianness = gcov_magic (magic, GCOV_DATA_MAGIC)))
- type = "data";
+ is_data_type = true;
else if ((endianness = gcov_magic (magic, GCOV_NOTE_MAGIC)))
- type = "note";
+ is_data_type = false;
else
{
printf ("%s:not a gcov file\n", filename);
GCOV_UNSIGNED2STRING (v, version);
GCOV_UNSIGNED2STRING (m, magic);
- printf ("%s:%s:magic `%.4s':version `%.4s'%s\n", filename, type,
+ printf ("%s:%s:magic `%.4s':version `%.4s'%s\n", filename,
+ is_data_type ? "data" : "note",
m, v, endianness < 0 ? " (swapped endianness)" : "");
if (version != GCOV_VERSION)
{
printf ("%s:stamp %lu\n", filename, (unsigned long)stamp);
}
- /* Support for unexecuted basic blocks. */
- unsigned support_unexecuted_blocks = gcov_read_unsigned ();
- if (!support_unexecuted_blocks)
- printf ("%s: has_unexecuted_block is not supported\n", filename);
+ if (!is_data_type)
+ {
+ printf ("%s:cwd: %s\n", filename, gcov_read_string ());
+
+ /* Support for unexecuted basic blocks. */
+ unsigned support_unexecuted_blocks = gcov_read_unsigned ();
+ if (!support_unexecuted_blocks)
+ printf ("%s: has_unexecuted_block is not supported\n", filename);
+ }
while (1)
{
gcov_position_t base, position = gcov_position ();
+ int read_length;
unsigned tag, length;
tag_format_t const *format;
unsigned tag_depth;
tag = gcov_read_unsigned ();
if (!tag)
break;
- length = gcov_read_unsigned ();
+ read_length = (int)gcov_read_unsigned ();
+ length = read_length > 0 ? read_length : 0;
base = gcov_position ();
mask = GCOV_TAG_MASK (tag) >> 1;
for (tag_depth = 4; mask; mask >>= 8)
}
print_prefix (filename, tag_depth, position);
- printf ("%08x:%4u:%s", tag, length, format->name);
+ printf ("%08x:%4u:%s", tag, abs (read_length), format->name);
if (format->proc)
- (*format->proc) (filename, tag, length, depth);
+ (*format->proc) (filename, tag, read_length, depth);
printf ("\n");
if (flag_dump_contents && format->proc)
static void
tag_function (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length,
+ unsigned tag ATTRIBUTE_UNUSED, int length,
unsigned depth ATTRIBUTE_UNUSED)
{
- unsigned long pos = gcov_position ();
+ gcov_position_t pos = gcov_position ();
if (!length)
printf (" placeholder");
printf (", lineno_checksum=0x%08x", gcov_read_unsigned ());
printf (", cfg_checksum=0x%08x", gcov_read_unsigned ());
- if (gcov_position () - pos < length)
+ if (gcov_position () - pos < (gcov_position_t) length)
{
const char *name;
unsigned line_start = gcov_read_unsigned ();
unsigned column_start = gcov_read_unsigned ();
unsigned line_end = gcov_read_unsigned ();
- printf (":%u:%u:%u", line_start, column_start, line_end);
+ unsigned column_end = gcov_read_unsigned ();
+ printf (":%u:%u-%u:%u", line_start, column_start,
+ line_end, column_end);
if (artificial)
printf (", artificial");
}
static void
tag_blocks (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED,
unsigned depth ATTRIBUTE_UNUSED)
{
printf (" %u blocks", gcov_read_unsigned ());
static void
tag_arcs (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED,
unsigned depth)
{
unsigned n_arcs = GCOV_TAG_ARCS_NUM (length);
static void
tag_lines (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED,
unsigned depth)
{
if (flag_dump_contents)
static void
tag_counters (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED,
unsigned depth)
{
#define DEF_GCOV_COUNTER(COUNTER, NAME, MERGE_FN) NAME,
#include "gcov-counter.def"
};
#undef DEF_GCOV_COUNTER
- unsigned n_counts = GCOV_TAG_COUNTER_NUM (length);
+ int n_counts = GCOV_TAG_COUNTER_NUM (length);
+ bool has_zeros = n_counts < 0;
+ n_counts = abs (n_counts);
- printf (" %s %u counts",
- counter_names[GCOV_COUNTER_FOR_TAG (tag)], n_counts);
+ printf (" %s %u counts%s",
+ counter_names[GCOV_COUNTER_FOR_TAG (tag)], n_counts,
+ has_zeros ? " (all zero)" : "");
if (flag_dump_contents)
{
- unsigned ix;
-
- for (ix = 0; ix != n_counts; ix++)
+ for (int ix = 0; ix != n_counts; ix++)
{
gcov_type count;
- if (!(ix & 7))
+ if (flag_dump_raw)
+ {
+ if (ix == 0)
+ printf (": ");
+ }
+ else if (!(ix & 7))
{
printf ("\n");
print_prefix (filename, depth, gcov_position ());
printf (VALUE_PADDING_PREFIX VALUE_PREFIX, ix);
}
- count = gcov_read_counter ();
+ count = has_zeros ? 0 : gcov_read_counter ();
printf ("%" PRId64 " ", count);
}
}
static void
tag_summary (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
- unsigned depth)
+ unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED,
+ unsigned depth ATTRIBUTE_UNUSED)
{
- struct gcov_summary summary;
- unsigned ix, h_ix;
- gcov_bucket_type *histo_bucket;
-
+ gcov_summary summary;
gcov_read_summary (&summary);
- printf (" checksum=0x%08x", summary.checksum);
-
- for (ix = 0; ix != GCOV_COUNTERS_SUMMABLE; ix++)
- {
- printf ("\n");
- print_prefix (filename, depth, 0);
- printf (VALUE_PADDING_PREFIX "counts=%u, runs=%u",
- summary.ctrs[ix].num, summary.ctrs[ix].runs);
-
- 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, depth, 0);
- printf (VALUE_PADDING_PREFIX "counter 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, depth, 0);
- printf (VALUE_PADDING_PREFIX VALUE_PREFIX "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], depth);
- }
-}
-
-static void
-dump_working_sets (const char *filename ATTRIBUTE_UNUSED,
- const struct gcov_ctr_summary *summary,
- unsigned depth)
-{
- 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, depth, 0);
- printf (VALUE_PADDING_PREFIX "counter 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, depth + 1, 0);
- printf (VALUE_PADDING_PREFIX "%u.%02u%%: num counts=%u, min counter="
- "%" PRId64,
- pct / 100, pct - (pct / 100 * 100),
- ws_info->num_counters,
- (int64_t)ws_info->min_counter);
- }
+ printf (" runs=%d, sum_max=%" PRId64,
+ summary.runs, summary.sum_max);
}
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