/* Dump a gcov file, for debugging use.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
Contributed by Nathan Sidwell <nathan@codesourcery.com>
Gcov is free software; you can redistribute it and/or modify
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. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#include "config.h"
#include "system.h"
#include <getopt.h>
#define IN_GCOV (-1)
#include "gcov-io.h"
-
-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 int tag_function PARAMS ((const char *, unsigned, unsigned));
-static int tag_blocks PARAMS ((const char *, unsigned, unsigned));
-static int tag_arcs PARAMS ((const char *, unsigned, unsigned));
-static int tag_lines PARAMS ((const char *, unsigned, unsigned));
-static int tag_arc_counts PARAMS ((const char *, unsigned, unsigned));
-static int tag_summary PARAMS ((const char *, unsigned, unsigned));
-extern int main PARAMS ((int, char **));
+#include "gcov-io.c"
+
+static void dump_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);
+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);
+extern int main (int, char **);
typedef struct tag_format
{
unsigned tag;
char const *name;
- int (*proc) (const char *, unsigned, unsigned);
+ void (*proc) (const char *, 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 }
};
static const tag_format_t tag_table[] =
{
{0, "NOP", NULL},
{0, "UNKNOWN", NULL},
+ {0, "COUNTERS", tag_counters},
{GCOV_TAG_FUNCTION, "FUNCTION", tag_function},
{GCOV_TAG_BLOCKS, "BLOCKS", tag_blocks},
{GCOV_TAG_ARCS, "ARCS", tag_arcs},
{GCOV_TAG_LINES, "LINES", tag_lines},
- {GCOV_TAG_ARC_COUNTS, "ARC_COUNTS", tag_arc_counts},
{GCOV_TAG_OBJECT_SUMMARY, "OBJECT_SUMMARY", tag_summary},
{GCOV_TAG_PROGRAM_SUMMARY, "PROGRAM_SUMMARY", tag_summary},
- {GCOV_TAG_PLACEHOLDER_SUMMARY, "PROGRAM_PLACEHOLDER", tag_summary},
- {GCOV_TAG_INCORRECT_SUMMARY, "PROGRAM_INCORRECT", 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;
- while ((opt = getopt_long (argc, argv, "hlv", options, NULL)) != -1)
+ /* Unlock the stdio streams. */
+ unlock_std_streams ();
+
+ while ((opt = getopt_long (argc, argv, "hlpv", 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++]);
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");
}
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 (GCC) %s\n", version_string);
+ printf ("Copyright (C) 2006 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 ("%lu:", (unsigned long) position);
+ printf ("%.*s", (int) depth, prefix);
}
static void
-dump_file (filename)
- const char *filename;
+dump_file (const char *filename)
{
unsigned tags[4];
unsigned depth = 0;
- unsigned magic, version;
- unsigned tag, length;
-
+
if (!gcov_open (filename, 1))
{
fprintf (stderr, "%s:cannot open\n", filename);
return;
}
-
- if (gcov_read_unsigned (&magic) || gcov_read_unsigned (&version))
- {
- read_error:;
- printf ("%s:read error at %lu\n", filename, gcov_save_position ());
- gcov_close ();
- return;
- }
/* magic */
{
+ unsigned magic = gcov_read_unsigned ();
+ unsigned version;
const char *type = NULL;
- char e[4], v[4], m[4];
- unsigned expected = GCOV_VERSION;
- unsigned ix;
- int different = version != GCOV_VERSION;
+ int endianness = 0;
+ char m[4], v[4];
- if (magic == GCOV_DATA_MAGIC)
+ if ((endianness = gcov_magic (magic, GCOV_DATA_MAGIC)))
type = "data";
- else if (magic == GCOV_GRAPH_MAGIC)
- type = "graph";
+ else if ((endianness = gcov_magic (magic, GCOV_NOTE_MAGIC)))
+ type = "note";
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, type,
+ 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_read_unsigned (&tag) && !gcov_read_unsigned (&length))
+ /* stamp */
+ {
+ unsigned stamp = gcov_read_unsigned ();
+
+ printf ("%s:stamp %lu\n", filename, (unsigned long)stamp);
+ }
+
+ while (1)
{
+ gcov_position_t base, position = gcov_position ();
+ unsigned tag, length;
tag_format_t const *format;
unsigned tag_depth;
- long base, end;
-
- base = gcov_save_position ();
-
+ 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)
goto found;
- format = &tag_table[1];
+ format = &tag_table[GCOV_TAG_IS_COUNTER (tag) ? 2 : 1];
found:;
if (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)
- if ((*format->proc) (filename, tag, length))
- goto read_error;
+ (*format->proc) (filename, tag, length);
+
printf ("\n");
- end = gcov_save_position ();
- gcov_resync (base, length);
- if (format->proc && end != base + (long)length)
+ if (flag_dump_contents && format->proc)
{
- if (end > base + (long)length)
+ unsigned long actual_length = gcov_position () - base;
+
+ if (actual_length > length)
printf ("%s:record size mismatch %lu bytes overread\n",
- filename, (end - base) - length);
- else
+ filename, actual_length - length);
+ else if (length > actual_length)
printf ("%s:record size mismatch %lu bytes unread\n",
- filename, length - (end - base));
+ filename, length - actual_length);
+ }
+ gcov_sync (base, length);
+ if ((error = gcov_is_error ()))
+ {
+ printf (error < 0 ? "%s:counter overflow at %lu\n" :
+ "%s:read error at %lu\n", filename,
+ (long unsigned) gcov_position ());
+ break;
}
}
- if (!gcov_eof ())
- goto read_error;
gcov_close ();
}
-static int
-tag_function (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+static void
+tag_function (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
{
- char *name = NULL;
- unsigned checksum;
- char *src = NULL;
- unsigned lineno = 0;
- unsigned long pos = gcov_save_position ();
-
- if (gcov_read_string (&name)
- || gcov_read_unsigned (&checksum))
- return 1;
-
- if (gcov_save_position () - pos != length
- && (gcov_read_string (&src)
- || gcov_read_unsigned (&lineno)))
- return 1;
-
- printf (" `%s' checksum=0x%08x", name, checksum);
- if (src)
- printf (" %s:%u", src, lineno);
- free (name);
- free (src);
-
- return 0;
+ unsigned long pos = gcov_position ();
+
+ printf (" ident=%u", gcov_read_unsigned ());
+ printf (", checksum=0x%08x", 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 ());
+ }
}
-static int
-tag_blocks (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+static void
+tag_blocks (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
{
- unsigned n_blocks = length / 4;
-
+ unsigned n_blocks = GCOV_TAG_BLOCKS_NUM (length);
+
printf (" %u blocks", n_blocks);
if (flag_dump_contents)
for (ix = 0; ix != n_blocks; ix++)
{
- unsigned flags;
- if (gcov_read_unsigned (&flags))
- return 1;
if (!(ix & 7))
- printf ("\n%s:\t\t%u", filename, ix);
- printf (" %04x", flags);
+ {
+ printf ("\n");
+ print_prefix (filename, 0, gcov_position ());
+ printf ("\t\t%u", ix);
+ }
+ printf (" %04x", gcov_read_unsigned ());
}
-
}
- else
- gcov_skip (n_blocks * 4);
-
- return 0;
}
-static int
-tag_arcs (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+static void
+tag_arcs (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
{
- unsigned n_arcs = (length - 4) / 8;
+ unsigned n_arcs = GCOV_TAG_ARCS_NUM (length);
printf (" %u arcs", n_arcs);
if (flag_dump_contents)
{
unsigned ix;
- unsigned blockno;
-
- if (gcov_read_unsigned (&blockno))
- return 1;
+ unsigned blockno = gcov_read_unsigned ();
for (ix = 0; ix != n_arcs; ix++)
{
unsigned dst, flags;
-
- if (gcov_read_unsigned (&dst) || gcov_read_unsigned (&flags))
- return 1;
+
if (!(ix & 3))
- printf ("\n%s:\t\t%u:", filename, blockno);
+ {
+ printf ("\n");
+ print_prefix (filename, 0, gcov_position ());
+ printf ("\tblock %u:", blockno);
+ }
+ dst = gcov_read_unsigned ();
+ flags = gcov_read_unsigned ();
printf (" %u:%04x", dst, flags);
}
}
- else
- gcov_skip (4 + n_arcs * 8);
-
- return 0;
}
-static int
-tag_lines (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+static void
+tag_lines (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
{
if (flag_dump_contents)
{
- char *source = NULL;
- unsigned blockno;
+ unsigned blockno = gcov_read_unsigned ();
char const *sep = NULL;
- if (gcov_read_unsigned (&blockno))
- return 1;
-
while (1)
{
- unsigned lineno;
-
- if (gcov_read_unsigned (&lineno))
- {
- free (source);
- return 1;
- }
+ gcov_position_t position = gcov_position ();
+ const char *source = NULL;
+ unsigned lineno = gcov_read_unsigned ();
+
if (!lineno)
{
- if (gcov_read_string (&source))
- return 1;
+ source = gcov_read_string ();
if (!source)
break;
sep = NULL;
}
-
+
if (!sep)
{
- printf ("\n%s:\t\t%u:", filename, blockno);
+ printf ("\n");
+ print_prefix (filename, 0, position);
+ printf ("\tblock %u:", blockno);
sep = "";
}
if (lineno)
}
}
}
- else
- gcov_skip (length);
-
- return 0;
}
-static int
-tag_arc_counts (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+static void
+tag_counters (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
{
- unsigned n_counts = length / 8;
-
- printf (" %u counts", n_counts);
+ static const char *const counter_names[] = GCOV_COUNTER_NAMES;
+ 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)
{
unsigned ix;
for (ix = 0; ix != n_counts; ix++)
{
gcov_type count;
-
- if (gcov_read_counter (&count))
- return 1;
+
if (!(ix & 7))
- printf ("\n%s:\t\t%u", filename, ix);
+ {
+ printf ("\n");
+ print_prefix (filename, 0, gcov_position ());
+ printf ("\t\t%u", ix);
+ }
+
+ count = gcov_read_counter ();
printf (" ");
printf (HOST_WIDEST_INT_PRINT_DEC, count);
}
}
- else
- gcov_skip (n_counts * 8);
-
- return 0;
}
-static int
-tag_summary (filename, tag, length)
- const char *filename ATTRIBUTE_UNUSED;
- unsigned tag ATTRIBUTE_UNUSED;
- unsigned length ATTRIBUTE_UNUSED;
+static void
+tag_summary (const char *filename ATTRIBUTE_UNUSED,
+ unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED)
{
struct gcov_summary summary;
+ unsigned ix;
- if (gcov_read_summary (&summary))
- return 1;
+ gcov_read_summary (&summary);
printf (" checksum=0x%08x", summary.checksum);
-
- printf ("\n%s:\t\truns=%u, arcs=%u", filename,
- summary.runs, summary.arcs);
- printf ("\n%s:\t\tarc_sum=", filename);
- printf (HOST_WIDEST_INT_PRINT_DEC,
- (HOST_WIDEST_INT)summary.arc_sum);
- printf (", arc_max_one=");
- printf (HOST_WIDEST_INT_PRINT_DEC,
- (HOST_WIDEST_INT)summary.arc_max_one);
- printf ("\n%s:\t\tmax_sum=", filename);
- printf (HOST_WIDEST_INT_PRINT_DEC,
- (HOST_WIDEST_INT)summary.arc_max_sum);
- printf (", sum_max=");
- printf (HOST_WIDEST_INT_PRINT_DEC,
- (HOST_WIDEST_INT)summary.arc_sum_max);
- return 0;
+
+ for (ix = 0; ix != GCOV_COUNTERS; 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=" 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);
+ }
}