X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gcc%2Fgcov-dump.c;h=7e412c8d329859b4a6aa55c4846c6879bcd288aa;hb=ac1724ccfdb9056d59fc21500c57c4edc963e653;hp=b47873342a7cbab66aa959f58d1be8d555af0bce;hpb=2f41c1d60b2435f9feb5105632eacd0b4ec57c28;p=gcc.git diff --git a/gcc/gcov-dump.c b/gcc/gcov-dump.c index b47873342a7..7e412c8d329 100644 --- a/gcc/gcov-dump.c +++ b/gcc/gcov-dump.c @@ -1,5 +1,5 @@ /* Dump a gcov file, for debugging use. - Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 2002-2020 Free Software Foundation, Inc. Contributed by Nathan Sidwell Gcov is free software; you can redistribute it and/or modify @@ -21,32 +21,35 @@ along with Gcov; see the file COPYING3. If not see #include "coretypes.h" #include "tm.h" #include "version.h" +#include "intl.h" +#include "diagnostic.h" #include #define IN_GCOV (-1) #include "gcov-io.h" #include "gcov-io.c" -static void dump_file (const 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); -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); +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, unsigned); + 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[] = { @@ -57,6 +60,9 @@ static const struct option options[] = { 0, 0, 0, 0 } }; +#define VALUE_PADDING_PREFIX " " +#define VALUE_PREFIX "%2d: " + static const tag_format_t tag_table[] = { {0, "NOP", NULL}, @@ -67,7 +73,6 @@ static const tag_format_t tag_table[] = {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} }; @@ -75,11 +80,23 @@ 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, "hlpv", options, NULL)) != -1) + gcc_init_libintl (); + + diagnostic_initialize (global_dc, 0); + + while ((opt = getopt_long (argc, argv, "hlprvw", options, NULL)) != -1) { switch (opt) { @@ -95,13 +112,16 @@ main (int argc ATTRIBUTE_UNUSED, char **argv) 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_file (argv[optind++]); + dump_gcov_file (argv[optind++]); return 0; } @@ -111,19 +131,21 @@ 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 (" -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) 2007 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"); + printf ("Copyright (C) 2020 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 @@ -133,15 +155,16 @@ print_prefix (const char *filename, unsigned depth, gcov_position_t position) printf ("%s:", filename); if (flag_dump_positions) - printf ("%lu:", (unsigned long) position); - printf ("%.*s", (int) depth, prefix); + printf ("%5lu:", (unsigned long) position); + printf ("%.*s", (int) 2 * depth, prefix); } static void -dump_file (const char *filename) +dump_gcov_file (const char *filename) { unsigned tags[4]; unsigned depth = 0; + bool is_data_type; if (!gcov_open (filename, 1)) { @@ -153,14 +176,13 @@ dump_file (const char *filename) { unsigned magic = gcov_read_unsigned (); unsigned version; - const char *type = NULL; int endianness = 0; char m[4], v[4]; - + if ((endianness = gcov_magic (magic, GCOV_DATA_MAGIC))) - type = "data"; + is_data_type = true; else if ((endianness = gcov_magic (magic, GCOV_NOTE_MAGIC))) - type = "note"; + is_data_type = false; else { printf ("%s:not a gcov file\n", filename); @@ -170,13 +192,14 @@ dump_file (const char *filename) version = gcov_read_unsigned (); GCOV_UNSIGNED2STRING (v, version); GCOV_UNSIGNED2STRING (m, magic); - - printf ("%s:%s:magic `%.4s':version `%.4s'%s\n", filename, type, + + 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); } @@ -188,10 +211,21 @@ dump_file (const char *filename) 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) { gcov_position_t base, position = gcov_position (); + int read_length; unsigned tag, length; tag_format_t const *format; unsigned tag_depth; @@ -201,7 +235,8 @@ dump_file (const char *filename) tag = gcov_read_unsigned (); if (!tag) break; - length = gcov_read_unsigned (); + 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) @@ -231,9 +266,9 @@ dump_file (const char *filename) } print_prefix (filename, tag_depth, position); - printf ("%08x:%4u:%s", tag, length, format->name); + printf ("%08x:%4u:%s", tag, abs (read_length), format->name); if (format->proc) - (*format->proc) (filename, tag, length); + (*format->proc) (filename, tag, read_length, depth); printf ("\n"); if (flag_dump_contents && format->proc) @@ -261,53 +296,52 @@ dump_file (const char *filename) static void tag_function (const char *filename ATTRIBUTE_UNUSED, - unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) + unsigned tag ATTRIBUTE_UNUSED, int length, + unsigned depth ATTRIBUTE_UNUSED) { - unsigned long pos = gcov_position (); - - printf (" ident=%u", gcov_read_unsigned ()); - printf (", checksum=0x%08x", gcov_read_unsigned ()); + gcov_position_t pos = gcov_position (); - if (gcov_position () - pos < length) + if (!length) + printf (" placeholder"); + else { - const char *name; + printf (" ident=%u", gcov_read_unsigned ()); + printf (", lineno_checksum=0x%08x", gcov_read_unsigned ()); + printf (", cfg_checksum=0x%08x", gcov_read_unsigned ()); - name = gcov_read_string (); - printf (", `%s'", name ? name : "NULL"); - name = gcov_read_string (); - printf (" %s", name ? name : "NULL"); - printf (":%u", 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, unsigned length ATTRIBUTE_UNUSED) + unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED, + unsigned depth ATTRIBUTE_UNUSED) { - unsigned n_blocks = GCOV_TAG_BLOCKS_NUM (length); - - printf (" %u blocks", n_blocks); - - if (flag_dump_contents) - { - unsigned ix; - - for (ix = 0; ix != n_blocks; ix++) - { - if (!(ix & 7)) - { - printf ("\n"); - print_prefix (filename, 0, gcov_position ()); - printf ("\t\t%u", ix); - } - printf (" %04x", gcov_read_unsigned ()); - } - } + printf (" %u blocks", gcov_read_unsigned ()); } static void tag_arcs (const char *filename ATTRIBUTE_UNUSED, - unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) + unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED, + unsigned depth) { unsigned n_arcs = GCOV_TAG_ARCS_NUM (length); @@ -324,19 +358,32 @@ tag_arcs (const char *filename ATTRIBUTE_UNUSED, if (!(ix & 3)) { printf ("\n"); - print_prefix (filename, 0, gcov_position ()); - printf ("\tblock %u:", blockno); + 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, unsigned length ATTRIBUTE_UNUSED) + unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED, + unsigned depth) { if (flag_dump_contents) { @@ -360,8 +407,8 @@ tag_lines (const char *filename ATTRIBUTE_UNUSED, if (!sep) { printf ("\n"); - print_prefix (filename, 0, position); - printf ("\tblock %u:", blockno); + print_prefix (filename, depth, position); + printf (VALUE_PADDING_PREFIX "block %u:", blockno); sep = ""; } if (lineno) @@ -380,57 +427,52 @@ tag_lines (const char *filename ATTRIBUTE_UNUSED, static void tag_counters (const char *filename ATTRIBUTE_UNUSED, - unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) + unsigned tag ATTRIBUTE_UNUSED, int length ATTRIBUTE_UNUSED, + unsigned depth) { - 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); +#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) { - unsigned ix; - - for (ix = 0; ix != n_counts; ix++) + for (int ix = 0; ix != n_counts; ix++) { gcov_type count; - if (!(ix & 7)) + if (flag_dump_raw) + { + if (ix == 0) + printf (": "); + } + else if (!(ix & 7)) { printf ("\n"); - print_prefix (filename, 0, gcov_position ()); - printf ("\t\t%u", ix); + print_prefix (filename, depth, gcov_position ()); + printf (VALUE_PADDING_PREFIX VALUE_PREFIX, ix); } - count = gcov_read_counter (); - printf (" "); - printf (HOST_WIDEST_INT_PRINT_DEC, count); + count = has_zeros ? 0 : gcov_read_counter (); + printf ("%" PRId64 " ", count); } } } static void tag_summary (const char *filename ATTRIBUTE_UNUSED, - unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) + unsigned tag ATTRIBUTE_UNUSED, int 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"); - 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); - } + printf (" runs=%d, sum_max=%" PRId64, + summary.runs, summary.sum_max); }