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Diffstat (limited to 'gcc/gcov-dump.c')
| -rw-r--r-- | gcc/gcov-dump.c | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/gcc/gcov-dump.c b/gcc/gcov-dump.c deleted file mode 100644 index 1c8c7cd..0000000 --- a/gcc/gcov-dump.c +++ /dev/null @@ -1,479 +0,0 @@ -/* Dump a gcov file, for debugging use. - Copyright (C) 2002-2022 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 3, or (at your option) -any later version. - -Gcov is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -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 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_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, 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, int, unsigned); -} tag_format_t; - -static int flag_dump_contents = 0; -static int flag_dump_positions = 0; -static int flag_dump_raw = 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}, - {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_OBJECT_SUMMARY, "OBJECT_SUMMARY", tag_summary}, - {0, NULL, NULL} -}; - -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 (); - - gcc_init_libintl (); - - diagnostic_initialize (global_dc, 0); - - while ((opt = getopt_long (argc, argv, "hlprvw", options, NULL)) != -1) - { - switch (opt) - { - case 'h': - print_usage (); - break; - case 'v': - print_version (); - break; - case 'l': - flag_dump_contents = 1; - break; - case 'p': - flag_dump_positions = 1; - break; - case 'r': - flag_dump_raw = 1; - break; - default: - fprintf (stderr, "unknown flag `%c'\n", opt); - } - } - - while (argv[optind]) - dump_gcov_file (argv[optind++]); - return 0; -} - -static void -print_usage (void) -{ - printf ("Usage: gcov-dump [OPTION] ... gcovfiles\n"); - printf ("Print coverage file contents\n"); - 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 ("\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) 2022 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 -print_prefix (const char *filename, unsigned depth, gcov_position_t position) -{ - static const char prefix[] = " "; - - printf ("%s:", filename); - if (flag_dump_positions) - printf ("%5lu:", (unsigned long) position); - printf ("%.*s", (int) 2 * depth, prefix); -} - -static void -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; - 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; - } - 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) - { - char e[4]; - - GCOV_UNSIGNED2STRING (e, GCOV_VERSION); - printf ("%s:warning:current version is `%.4s'\n", filename, e); - } - } - - /* stamp */ - unsigned stamp = gcov_read_unsigned (); - printf ("%s:stamp %lu\n", filename, (unsigned long)stamp); - - /* Checksum */ - unsigned checksum = gcov_read_unsigned (); - printf ("%s:checksum %lu\n", filename, (unsigned long)checksum); - - 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; - int error; - unsigned mask; - - tag = gcov_read_unsigned (); - if (!tag) - break; - 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) - { - if ((mask & 0xff) != 0xff) - { - 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[GCOV_TAG_IS_COUNTER (tag) ? 2 : 1]; - found:; - if (tag) - { - if (depth && depth < tag_depth) - { - if (!GCOV_TAG_IS_SUBTAG (tags[depth - 1], tag)) - printf ("%s:tag `%08x' is incorrectly nested\n", - filename, tag); - } - depth = tag_depth; - tags[depth - 1] = tag; - } - - print_prefix (filename, tag_depth, position); - printf ("%08x:%4u:%s", tag, abs (read_length), format->name); - if (format->proc) - (*format->proc) (filename, tag, read_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); - else if (length > actual_length) - printf ("%s:record size mismatch %lu bytes unread\n", - 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; - } - } - gcov_close (); -} - -static void -tag_function (const char *filename ATTRIBUTE_UNUSED, - unsigned tag ATTRIBUTE_UNUSED, int length, - unsigned depth ATTRIBUTE_UNUSED) -{ - gcov_position_t pos = gcov_position (); - - if (!length) - printf (" placeholder"); - else - { - 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 < (gcov_position_t) 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 (const char *filename 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, int length ATTRIBUTE_UNUSED, - unsigned depth) -{ - unsigned n_arcs = GCOV_TAG_ARCS_NUM (length); - - printf (" %u arcs", n_arcs); - if (flag_dump_contents) - { - unsigned ix; - unsigned blockno = gcov_read_unsigned (); - - for (ix = 0; ix != n_arcs; ix++) - { - unsigned dst, flags; - - if (!(ix & 3)) - { - 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 (const char *filename ATTRIBUTE_UNUSED, - unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED, - unsigned depth) -{ - if (flag_dump_contents) - { - unsigned blockno = gcov_read_unsigned (); - char const *sep = NULL; - - while (1) - { - gcov_position_t position = gcov_position (); - const char *source = NULL; - unsigned lineno = gcov_read_unsigned (); - - if (!lineno) - { - source = gcov_read_string (); - if (!source) - break; - sep = NULL; - } - - if (!sep) - { - printf ("\n"); - print_prefix (filename, depth, position); - printf (VALUE_PADDING_PREFIX "block %u:", blockno); - sep = ""; - } - if (lineno) - { - printf ("%s%u", sep, lineno); - sep = ", "; - } - else - { - printf ("%s`%s'", sep, source); - sep = ":"; - } - } - } -} - -static void -tag_counters (const char *filename ATTRIBUTE_UNUSED, - unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED, - unsigned depth) -{ -#define DEF_GCOV_COUNTER(COUNTER, NAME, MERGE_FN) NAME, - static const char *const counter_names[] = { -#include "gcov-counter.def" -}; -#undef DEF_GCOV_COUNTER - int n_counts = GCOV_TAG_COUNTER_NUM (length); - bool has_zeros = n_counts < 0; - n_counts = abs (n_counts); - - printf (" %s %u counts%s", - counter_names[GCOV_COUNTER_FOR_TAG (tag)], n_counts, - has_zeros ? " (all zero)" : ""); - if (flag_dump_contents) - { - for (int ix = 0; ix != n_counts; ix++) - { - gcov_type count; - - 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 = has_zeros ? 0 : gcov_read_counter (); - printf ("%" PRId64 " ", count); - } - } -} - -static void -tag_summary (const char *filename ATTRIBUTE_UNUSED, - unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED, - unsigned depth ATTRIBUTE_UNUSED) -{ - gcov_summary summary; - gcov_read_summary (&summary); - printf (" runs=%d, sum_max=%" PRId64, - summary.runs, summary.sum_max); -} |