X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgcov-dump.c;h=e49cb3c093dd3697d3e475946aa13c3f527c43c5;hb=1da3e63791f9ac3f68d03cecf9fd960ae7aca71d;hp=700f8661b19ee771df3905179ab27532b4193169;hpb=805e22b2051e9c6a75377ea6599654d7415da483;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/gcov-dump.c b/gcc/gcov-dump.c index 700f8661b19..e49cb3c093d 100644 --- a/gcc/gcov-dump.c +++ b/gcc/gcov-dump.c @@ -1,10 +1,11 @@ /* Dump a gcov file, for debugging use. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, + 2012 Free Software Foundation, Inc. Contributed by Nathan Sidwell 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, @@ -13,70 +14,87 @@ 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 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 +. */ #include "config.h" #include "system.h" #include "coretypes.h" #include "tm.h" #include "version.h" +#include "intl.h" +#include "diagnostic.h" #include -typedef HOST_WIDEST_INT gcov_type; +#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 *, FILE *, unsigned, unsigned)); -static int tag_blocks PARAMS ((const char *, FILE *, unsigned, unsigned)); -static int tag_arcs PARAMS ((const char *, FILE *, unsigned, unsigned)); -static int tag_lines PARAMS ((const char *, FILE *, unsigned, unsigned)); -static int tag_arc_counts PARAMS ((const char *, FILE *, unsigned, unsigned)); -static int tag_summary PARAMS ((const char *, FILE *, 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 *, FILE *, 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 tag_format_t tag_table[] = +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; + 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 (); - while ((opt = getopt_long (argc, argv, "hlv", options, NULL)) != -1) + diagnostic_initialize (global_dc, 0); + + while ((opt = getopt_long (argc, argv, "hlpv", options, NULL)) != -1) { switch (opt) { @@ -89,135 +107,131 @@ int main (argc, argv) 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 %s%s\n", pkgversion_string, version_string); + printf ("Copyright (C) 2012 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, 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) { - FILE *file = fopen (filename, "rb"); unsigned tags[4]; unsigned depth = 0; - unsigned magic, version; - unsigned tag, length; - - if (!file) + + if (!gcov_open (filename, 1)) { fprintf (stderr, "%s:cannot open\n", filename); return; } - - if (gcov_read_unsigned (file, &magic) - || gcov_read_unsigned (file, &version)) - { - read_error:; - printf ("%s:read error at %ld\n", filename, ftell (file)); - fclose (file); - 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; - - if (magic == GCOV_DATA_MAGIC) + int endianness = 0; + char m[4], v[4]; + + 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); - fclose (file); + 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 (file, &tag) - && !gcov_read_unsigned (file, &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 (file); - + 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) { @@ -230,59 +244,69 @@ dump_file (filename) 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, file, tag, length)) - goto read_error; + (*format->proc) (filename, tag, length); + printf ("\n"); - end = gcov_save_position (file); - gcov_resync (file, 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 (!feof (file)) - goto read_error; - fclose (file); + gcov_close (); } -static int -tag_function (filename, file, tag, length) - const char *filename ATTRIBUTE_UNUSED; - FILE *file 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) { - char *name = NULL; - unsigned checksum; + unsigned long pos = gcov_position (); - if (gcov_read_string (file, &name, NULL) - || gcov_read_unsigned (file, &checksum)) - return 1; + 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 ()); - printf (" `%s' checksum=0x%08x", name, checksum); - free (name); - - return 0; + 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, file, tag, length) - const char *filename ATTRIBUTE_UNUSED; - FILE *file 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) @@ -291,94 +315,86 @@ tag_blocks (filename, file, tag, length) for (ix = 0; ix != n_blocks; ix++) { - unsigned flags; - if (gcov_read_unsigned (file, &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 (file, n_blocks * 4); - - return 0; } -static int -tag_arcs (filename, file, tag, length) - const char *filename ATTRIBUTE_UNUSED; - FILE *file 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 (file, &blockno)) - return 1; + unsigned blockno = gcov_read_unsigned (); for (ix = 0; ix != n_arcs; ix++) { unsigned dst, flags; - - if (gcov_read_unsigned (file, &dst) - || gcov_read_unsigned (file, &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); + 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 (")"); + } } } - else - gcov_skip (file, 4 + n_arcs * 8); - - return 0; } -static int -tag_lines (filename, file, tag, length) - const char *filename ATTRIBUTE_UNUSED; - FILE *file 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 (file, &blockno)) - return 1; - while (1) { - unsigned lineno; - - if (gcov_read_unsigned (file, &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 (file, &source, NULL)) - 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) @@ -393,22 +409,17 @@ tag_lines (filename, file, tag, length) } } } - else - gcov_skip (file, length); - - return 0; } -static int -tag_arc_counts (filename, file, tag, length) - const char *filename ATTRIBUTE_UNUSED; - FILE *file 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; @@ -416,47 +427,43 @@ tag_arc_counts (filename, file, tag, length) for (ix = 0; ix != n_counts; ix++) { gcov_type count; - - if (gcov_read_counter (file, &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 (file, n_counts * 8); - - return 0; } -static int -tag_summary (filename, file, tag, length) - const char *filename ATTRIBUTE_UNUSED; - FILE *file 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 (file, &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_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=" 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); + } }