/* Dump a gcov file, for debugging use.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003 Free Software Foundation, Inc.
Contributed by Nathan Sidwell <nathan@codesourcery.com>
Gcov is free software; you can redistribute it and/or modify
#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_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
{
} 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, 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)
+ 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) 2003 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;
-
+
if (!gcov_open (filename, 1))
{
fprintf (stderr, "%s:cannot open\n", filename);
return;
}
-
+
/* magic */
{
unsigned magic = gcov_read_unsigned ();
- unsigned version = 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_is_eof ())
+ /* stamp */
+ {
+ unsigned stamp = gcov_read_unsigned ();
+
+ printf ("%s:stamp %lu\n", filename, (unsigned long)stamp);
+ }
+
+ 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);
-
+
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);
break;
}
}
+ if (!gcov_is_eof ())
+ printf ("%s:early end of file\n", filename);
gcov_close ();
}
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 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)
{
const char *name;
-
+
name = gcov_read_string ();
printf (", `%s'", name ? name : "NULL");
name = gcov_read_string ();
}
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 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++)
{
if (!(ix & 7))
- printf ("\n%s:\t\t%u", filename, ix);
+ {
+ printf ("\n");
+ print_prefix (filename, 0, gcov_position ());
+ printf ("\t\t%u", ix);
+ }
printf (" %04x", 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 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, 0, gcov_position ());
+ printf ("\tblock %u:", blockno);
+ }
+ dst = gcov_read_unsigned ();
+ flags = gcov_read_unsigned ();
printf (" %u:%04x", dst, flags);
}
}
}
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)
{
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, 0, position);
+ printf ("\tblock %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)
{
static const char *const counter_names[] = GCOV_COUNTER_NAMES;
- unsigned n_counts = length / 8;
-
+ 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 ("\n");
+ print_prefix (filename, 0, gcov_position ());
+ printf ("\t\t%u", ix);
+ }
+
+ count = gcov_read_counter ();
printf (" ");
printf (HOST_WIDEST_INT_PRINT_DEC, 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)
{
struct gcov_summary summary;
unsigned ix;
-
+
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,
+ 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,