/* Dump a gcov file, for debugging use.
- Copyright (C) 2002-2015 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);
-static void tag_blocks (const char *, unsigned, unsigned);
-static void tag_arcs (const char *, unsigned, unsigned);
-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);
+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);
extern int main (int, char **);
typedef struct tag_format
{
unsigned tag;
char const *name;
- void (*proc) (const char *, unsigned, unsigned);
+ void (*proc) (const char *, unsigned, unsigned, unsigned);
} tag_format_t;
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 }
};
+#define VALUE_PADDING_PREFIX " "
+#define VALUE_PREFIX "%2d: "
+
static const tag_format_t tag_table[] =
{
{0, "NOP", NULL},
{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}
};
case 'p':
flag_dump_positions = 1;
break;
- case 'w':
- flag_dump_working_sets = 1;
- break;
default:
fprintf (stderr, "unknown flag `%c'\n", opt);
}
printf ("Usage: gcov-dump [OPTION] ... gcovfiles\n");
printf ("Print coverage file contents\n");
printf (" -h, --help Print this help\n");
- 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");
+ printf (" -v, --version Print version number\n");
+ printf ("\nFor bug reporting instructions, please see:\n%s.\n",
+ bug_report_url);
}
static void
print_version (void)
{
printf ("gcov-dump %s%s\n", pkgversion_string, version_string);
- printf ("Copyright (C) 2015 Free Software Foundation, Inc.\n");
+ printf ("Copyright (C) 2020 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 ("%s:", filename);
if (flag_dump_positions)
- printf ("%lu:", (unsigned long) position);
- printf ("%.*s", (int) depth, prefix);
+ printf ("%5lu:", (unsigned long) position);
+ printf ("%.*s", (int) 2 * depth, prefix);
}
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);
}
+ 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 ();
print_prefix (filename, tag_depth, position);
printf ("%08x:%4u:%s", tag, length, format->name);
if (format->proc)
- (*format->proc) (filename, tag, length);
+ (*format->proc) (filename, tag, 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, unsigned length,
+ unsigned depth ATTRIBUTE_UNUSED)
{
unsigned long pos = gcov_position ();
name = gcov_read_string ();
printf (", `%s'", name ? name : "NULL");
+ unsigned artificial = gcov_read_unsigned ();
name = gcov_read_string ();
printf (" %s", name ? name : "NULL");
- printf (":%u", gcov_read_unsigned ());
+ unsigned line_start = gcov_read_unsigned ();
+ unsigned column_start = gcov_read_unsigned ();
+ unsigned line_end = gcov_read_unsigned ();
+ 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, unsigned length ATTRIBUTE_UNUSED,
+ unsigned depth ATTRIBUTE_UNUSED)
{
- unsigned n_blocks = GCOV_TAG_BLOCKS_NUM (length);
-
- printf (" %u blocks", n_blocks);
-
- if (flag_dump_contents)
- {
- unsigned ix;
-
- for (ix = 0; ix != n_blocks; ix++)
- {
- if (!(ix & 7))
- {
- printf ("\n");
- print_prefix (filename, 0, gcov_position ());
- printf ("\t\t%u", ix);
- }
- printf (" %04x", gcov_read_unsigned ());
- }
- }
+ 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, unsigned length ATTRIBUTE_UNUSED,
+ unsigned depth)
{
unsigned n_arcs = GCOV_TAG_ARCS_NUM (length);
if (!(ix & 3))
{
printf ("\n");
- print_prefix (filename, 0, gcov_position ());
- printf ("\tblock %u:", blockno);
+ print_prefix (filename, depth, gcov_position ());
+ printf (VALUE_PADDING_PREFIX "block %u:", blockno);
}
dst = gcov_read_unsigned ();
flags = gcov_read_unsigned ();
static void
tag_lines (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned depth)
{
if (flag_dump_contents)
{
if (!sep)
{
printf ("\n");
- print_prefix (filename, 0, position);
- printf ("\tblock %u:", blockno);
+ print_prefix (filename, depth, position);
+ printf (VALUE_PADDING_PREFIX "block %u:", blockno);
sep = "";
}
if (lineno)
static void
tag_counters (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned depth)
{
#define DEF_GCOV_COUNTER(COUNTER, NAME, MERGE_FN) NAME,
static const char *const counter_names[] = {
if (!(ix & 7))
{
printf ("\n");
- print_prefix (filename, 0, gcov_position ());
- printf ("\t\t%u", ix);
+ print_prefix (filename, depth, gcov_position ());
+ printf (VALUE_PADDING_PREFIX VALUE_PREFIX, ix);
}
count = gcov_read_counter ();
- printf (" ");
- printf ("%"PRId64, count);
+ printf ("%" PRId64 " ", count);
}
}
}
static void
tag_summary (const char *filename ATTRIBUTE_UNUSED,
- unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
+ unsigned tag ATTRIBUTE_UNUSED, unsigned 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, 0, 0);
- printf ("\t\tcounts=%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, 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);
- }
+ printf (" runs=%d, sum_max=%" PRId64,
+ summary.runs, summary.sum_max);
}
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