/* Dump a gcov file, for debugging use.
- Copyright (C) 2002 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
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
Gcov is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with Gcov; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with Gcov; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#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 PARAMS ((const char *));
-static void print_prefix PARAMS ((const char *, unsigned));
-static void print_usage PARAMS ((void));
-static void print_version PARAMS ((void));
-static void tag_function PARAMS ((const char *, unsigned, unsigned));
-static void tag_blocks PARAMS ((const char *, unsigned, unsigned));
-static void tag_arcs PARAMS ((const char *, unsigned, unsigned));
-static void tag_lines PARAMS ((const char *, unsigned, unsigned));
-static void tag_counters PARAMS ((const char *, unsigned, unsigned));
-static void tag_summary PARAMS ((const char *, unsigned, unsigned));
-extern int main PARAMS ((int, 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_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 const struct option options[] =
{
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ "long", no_argument, NULL, 'l' },
+ { "positions", no_argument, NULL, 'o' },
+ { 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}
};
-int main (argc, argv)
- int argc ATTRIBUTE_UNUSED;
- char **argv;
+int
+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, "hlv", options, NULL)) != -1)
+ gcc_init_libintl ();
+
+ diagnostic_initialize (global_dc, 0);
+
+ while ((opt = getopt_long (argc, argv, "hlpvw", options, NULL)) != -1)
{
switch (opt)
{
case 'l':
flag_dump_contents = 1;
break;
+ case 'p':
+ flag_dump_positions = 1;
+ break;
default:
fprintf (stderr, "unknown flag `%c'\n", opt);
}
}
-
+
while (argv[optind])
- dump_file (argv[optind++]);
+ dump_gcov_file (argv[optind++]);
return 0;
}
static void
-print_usage ()
+print_usage (void)
{
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 (" -v, --version Print version number\n");
+ printf ("\nFor bug reporting instructions, please see:\n%s.\n",
+ bug_report_url);
}
static void
-print_version ()
+print_version (void)
{
- char v[4];
- unsigned version = GCOV_VERSION;
- unsigned ix;
-
- for (ix = 4; ix--; version >>= 8)
- v[ix] = version;
- printf ("gcov %.4s (GCC %s)\n", v, version_string);
- printf ("Copyright (C) 2002 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");
+ printf ("gcov-dump %s%s\n", pkgversion_string, version_string);
+ 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");
}
static void
-print_prefix (filename, depth)
- const char *filename;
- unsigned depth;
+print_prefix (const char *filename, unsigned depth, gcov_position_t position)
{
static const char prefix[] = " ";
-
- printf ("%s:%.*s", filename, (int) depth, prefix);
+
+ printf ("%s:", filename);
+ if (flag_dump_positions)
+ printf ("%5lu:", (unsigned long) position);
+ printf ("%.*s", (int) 2 * depth, prefix);
}
static void
-dump_file (filename)
- const char *filename;
+dump_gcov_file (const char *filename)
{
unsigned tags[4];
unsigned depth = 0;
-
+ bool is_data_type;
+
if (!gcov_open (filename, 1))
{
fprintf (stderr, "%s:cannot open\n", filename);
return;
}
-
+
/* magic */
{
unsigned magic = gcov_read_unsigned ();
- unsigned version = gcov_read_unsigned ();
- const char *type = NULL;
- char e[4], v[4], m[4];
- unsigned expected = GCOV_VERSION;
- unsigned ix;
- int different = version != GCOV_VERSION;
-
- if (magic == GCOV_DATA_MAGIC)
- type = "data";
- else if (magic == GCOV_GRAPH_MAGIC)
- type = "graph";
+ unsigned version;
+ int endianness = 0;
+ char m[4], v[4];
+
+ if ((endianness = gcov_magic (magic, GCOV_DATA_MAGIC)))
+ is_data_type = true;
+ else if ((endianness = gcov_magic (magic, GCOV_NOTE_MAGIC)))
+ is_data_type = false;
else
{
printf ("%s:not a gcov file\n", filename);
gcov_close ();
return;
}
- for (ix = 4; ix--; expected >>= 8, version >>= 8, magic >>= 8)
+ version = gcov_read_unsigned ();
+ GCOV_UNSIGNED2STRING (v, version);
+ GCOV_UNSIGNED2STRING (m, magic);
+
+ 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)
{
- e[ix] = expected;
- v[ix] = version;
- m[ix] = magic;
+ char e[4];
+
+ GCOV_UNSIGNED2STRING (e, GCOV_VERSION);
+ printf ("%s:warning:current version is `%.4s'\n", filename, e);
}
-
- printf ("%s:%s:magic `%.4s':version `%.4s'\n", filename, type, m, v);
- if (different)
- printf ("%s:warning:current version is `%.4s'\n", filename, e);
}
- while (!gcov_is_eof ())
+ /* stamp */
+ {
+ unsigned stamp = gcov_read_unsigned ();
+
+ 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)
{
- unsigned tag = gcov_read_unsigned ();
- unsigned length = gcov_read_unsigned ();
- unsigned long base = gcov_position ();
+ gcov_position_t base, position = gcov_position ();
+ unsigned tag, length;
tag_format_t const *format;
unsigned tag_depth;
int error;
-
+ unsigned mask;
+
+ tag = gcov_read_unsigned ();
if (!tag)
- tag_depth = depth;
- else
+ break;
+ length = gcov_read_unsigned ();
+ base = gcov_position ();
+ mask = GCOV_TAG_MASK (tag) >> 1;
+ for (tag_depth = 4; mask; mask >>= 8)
{
- unsigned mask = GCOV_TAG_MASK (tag) >> 1;
-
- for (tag_depth = 4; mask; mask >>= 8)
+ if ((mask & 0xff) != 0xff)
{
- if ((mask & 0xff) != 0xff)
- {
- printf ("%s:tag `%08x' is invalid\n", filename, tag);
- break;
- }
- tag_depth--;
+ printf ("%s:tag `%08x' is invalid\n", filename, tag);
+ break;
}
+ tag_depth--;
}
for (format = tag_table; format->name; format++)
if (format->tag == tag)
depth = tag_depth;
tags[depth - 1] = tag;
}
-
- print_prefix (filename, tag_depth);
+
+ 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)
{
unsigned long actual_length = gcov_position () - base;
-
+
if (actual_length > length)
printf ("%s:record size mismatch %lu bytes overread\n",
filename, actual_length - length);
if ((error = gcov_is_error ()))
{
printf (error < 0 ? "%s:counter overflow at %lu\n" :
- "%s:read error at %lu\n", filename, gcov_position ());
+ "%s:read error at %lu\n", filename,
+ (long unsigned) gcov_position ());
break;
}
}
}
static void
-tag_function (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+tag_function (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length,
+ unsigned depth ATTRIBUTE_UNUSED)
{
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;
-
- name = gcov_read_string ();
- printf (", `%s'", name ? name : "NULL");
- name = gcov_read_string ();
- printf (" %s", name ? name : "NULL");
- printf (":%u", gcov_read_unsigned ());
+ printf (" ident=%u", gcov_read_unsigned ());
+ printf (", lineno_checksum=0x%08x", gcov_read_unsigned ());
+ printf (", cfg_checksum=0x%08x", gcov_read_unsigned ());
+
+ if (gcov_position () - pos < length)
+ {
+ const char *name;
+
+ name = gcov_read_string ();
+ printf (", `%s'", name ? name : "NULL");
+ unsigned artificial = gcov_read_unsigned ();
+ name = gcov_read_string ();
+ printf (" %s", name ? name : "NULL");
+ 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 (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+tag_blocks (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned depth ATTRIBUTE_UNUSED)
{
- unsigned n_blocks = length / 4;
-
- printf (" %u blocks", n_blocks);
-
- if (flag_dump_contents)
- {
- unsigned ix;
-
- for (ix = 0; ix != n_blocks; ix++)
- {
- if (!(ix & 7))
- printf ("\n%s:\t\t%u", filename, ix);
- printf (" %04x", gcov_read_unsigned ());
- }
- }
+ printf (" %u blocks", gcov_read_unsigned ());
}
static void
-tag_arcs (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+tag_arcs (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned depth)
{
- unsigned n_arcs = (length - 4) / 8;
+ unsigned n_arcs = GCOV_TAG_ARCS_NUM (length);
printf (" %u arcs", n_arcs);
if (flag_dump_contents)
for (ix = 0; ix != n_arcs; ix++)
{
- unsigned dst = gcov_read_unsigned ();
- unsigned flags = gcov_read_unsigned ();
-
+ unsigned dst, flags;
+
if (!(ix & 3))
- printf ("\n%s:\tblock %u:", filename, blockno);
+ {
+ printf ("\n");
+ print_prefix (filename, depth, gcov_position ());
+ printf (VALUE_PADDING_PREFIX "block %u:", blockno);
+ }
+ 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 (")");
+ }
}
}
}
static void
-tag_lines (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+tag_lines (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned depth)
{
if (flag_dump_contents)
{
while (1)
{
+ gcov_position_t position = gcov_position ();
const char *source = NULL;
unsigned lineno = gcov_read_unsigned ();
-
+
if (!lineno)
{
source = gcov_read_string ();
break;
sep = NULL;
}
-
+
if (!sep)
{
- printf ("\n%s:\tblock %u:", filename, blockno);
+ printf ("\n");
+ print_prefix (filename, depth, position);
+ printf (VALUE_PADDING_PREFIX "block %u:", blockno);
sep = "";
}
if (lineno)
}
static void
-tag_counters (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+tag_counters (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned depth)
{
- static const char *const counter_names[] = GCOV_COUNTER_NAMES;
- unsigned n_counts = length / 8;
-
+#define DEF_GCOV_COUNTER(COUNTER, NAME, MERGE_FN) NAME,
+ static const char *const counter_names[] = {
+#include "gcov-counter.def"
+};
+#undef DEF_GCOV_COUNTER
+ unsigned n_counts = GCOV_TAG_COUNTER_NUM (length);
+
printf (" %s %u counts",
counter_names[GCOV_COUNTER_FOR_TAG (tag)], n_counts);
if (flag_dump_contents)
for (ix = 0; ix != n_counts; ix++)
{
- gcov_type count = gcov_read_counter ();
-
+ gcov_type count;
+
if (!(ix & 7))
- printf ("\n%s:\t\t%u", filename, ix);
- printf (" ");
- printf (HOST_WIDEST_INT_PRINT_DEC, count);
+ {
+ printf ("\n");
+ print_prefix (filename, depth, gcov_position ());
+ printf (VALUE_PADDING_PREFIX VALUE_PREFIX, ix);
+ }
+
+ count = gcov_read_counter ();
+ printf ("%" PRId64 " ", count);
}
}
}
static void
-tag_summary (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+tag_summary (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED,
+ unsigned depth ATTRIBUTE_UNUSED)
{
- struct gcov_summary summary;
- unsigned ix;
-
+ gcov_summary summary;
gcov_read_summary (&summary);
- printf (" checksum=0x%08x", summary.checksum);
-
- for (ix = 0; ix != GCOV_COUNTERS; ix++)
- {
- printf ("\n%sL\t\tcounts=%u, runs=%u", filename,
- 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 (" runs=%d, sum_max=%" PRId64,
+ summary.runs, summary.sum_max);
}
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