diff options
Diffstat (limited to 'gcc/gcov-io.h')
| -rw-r--r-- | gcc/gcov-io.h | 89 |
1 files changed, 55 insertions, 34 deletions
diff --git a/gcc/gcov-io.h b/gcc/gcov-io.h index d2beb1bbf2f..7f881999779 100644 --- a/gcc/gcov-io.h +++ b/gcc/gcov-io.h @@ -127,8 +127,9 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA function-data: announce_function arc_counts announce_function: header string:name int32:checksum arc_counts: header int64:count* - summary: in32:checksum int32:runs int32:arcs int64:sum int64:max \ - int64:sum_max + summary: int32:checksum {count-summary}GCOV_COUNTERS + count-summary: int32:num int32:runs int64:sum + int64:max int64:sum_max The ANNOUNCE_FUNCTION record is the same as that in the BBG file, but without the source location. @@ -160,6 +161,11 @@ typedef long gcov_type; #else typedef long long gcov_type; #endif +#if defined (TARGET_HAS_F_SETLKW) +#define GCOV_LOCKED 1 +#else +#define GCOV_LOCKED 0 +#endif #endif /* IN_LIBGCOV */ #if IN_GCOV typedef HOST_WIDEST_INT gcov_type; @@ -201,11 +207,26 @@ typedef HOST_WIDEST_INT gcov_type; #define GCOV_TAG_BLOCKS ((unsigned)0x01410000) #define GCOV_TAG_ARCS ((unsigned)0x01430000) #define GCOV_TAG_LINES ((unsigned)0x01450000) -#define GCOV_TAG_ARC_COUNTS ((unsigned)0x01a10000) +#define GCOV_TAG_COUNTER_BASE ((unsigned)0x01a10000) /* First counter */ #define GCOV_TAG_OBJECT_SUMMARY ((unsigned)0xa1000000) #define GCOV_TAG_PROGRAM_SUMMARY ((unsigned)0xa3000000) -#define GCOV_TAG_PLACEHOLDER_SUMMARY ((unsigned)0xa5000000) -#define GCOV_TAG_INCORRECT_SUMMARY ((unsigned)0xa7000000) + +/* Counters that are collected. */ +#define GCOV_COUNTER_ARCS 0 /* Arc transitions. */ +#define GCOV_COUNTERS 1 + +/* A list of human readable names of the counters */ +#define GCOV_COUNTER_NAMES {"arcs"} + +/* Convert a counter index to a tag. */ +#define GCOV_TAG_FOR_COUNTER(COUNT) \ + (GCOV_TAG_COUNTER_BASE + ((COUNT) << 17)) +/* Convert a tag to a counter. */ +#define GCOV_COUNTER_FOR_TAG(TAG) \ + (((TAG) - GCOV_TAG_COUNTER_BASE) >> 17) +/* Check whether a tag is a counter tag. */ +#define GCOV_TAG_IS_COUNTER(TAG) \ + (!((TAG) & 0xFFFF) && GCOV_COUNTER_FOR_TAG (TAG) < GCOV_COUNTERS) /* The tag level mask has 1's in the position of the inner levels, & the lsb of the current level, and zero on the current and outer @@ -231,44 +252,43 @@ typedef HOST_WIDEST_INT gcov_type; /* Structured records. */ +/* Cumulative counter data. */ +struct gcov_ctr_summary +{ + unsigned num; /* number of counters. */ + unsigned runs; /* number of program runs */ + gcov_type sum_all; /* sum of all counters accumulated. */ + gcov_type run_max; /* maximum value on a single run. */ + gcov_type sum_max; /* sum of individual run max values. */ +}; + /* Object & program summary record. */ struct gcov_summary { unsigned checksum; /* checksum of program */ - unsigned runs; /* number of program runs */ - unsigned arcs; /* number of instrumented arcs */ - gcov_type arc_sum; /* sum of all arc counters */ - gcov_type arc_max_one; /* max counter on any one run */ - gcov_type arc_sum_max; /* sum of max_one */ + struct gcov_ctr_summary ctrs[GCOV_COUNTERS]; }; /* Structures embedded in coveraged program. The structures generated by write_profile must match these. */ -/* Information about section of counters for a function. */ -struct gcov_counter_section -{ - unsigned tag; /* Tag of the section. */ - unsigned n_counters; /* Number of counters in the section. */ -}; - #if IN_LIBGCOV -/* Information about section of counters for an object file. */ -struct gcov_counter_section_data +/* Information about a single function. This uses the trailing array + idiom. The number of counters is determined from the counter_mask + in gcov_info. We hold an array of function info, so have to + explicitly calculate the correct array stride. */ +struct gcov_fn_info { - unsigned tag; /* Tag of the section. */ - unsigned n_counters; /* Number of counters in the section. */ - gcov_type *counters; /* The data. */ + const char *name; /* (mangled) name of function */ + unsigned checksum; /* function checksum */ + unsigned n_ctrs[0]; /* instrumented counters */ }; -/* Information about a single function. */ -struct gcov_function_info +/* Information about counters. */ +struct gcov_ctr_info { - const char *name; /* (mangled) name of function */ - unsigned checksum; /* function checksum */ - unsigned n_counter_sections; /* Number of types of counters */ - const struct gcov_counter_section *counter_sections; - /* The section descriptions */ + unsigned num; /* number of counters. */ + gcov_type *values; /* their values. */ }; /* Information about a single object file. */ @@ -278,14 +298,15 @@ struct gcov_info struct gcov_info *next; /* link to next, used by libgcc */ const char *filename; /* output file name */ - long wkspc; /* libgcc workspace */ unsigned n_functions; /* number of functions */ - const struct gcov_function_info *functions; /* table of functions */ + const struct gcov_fn_info *functions; /* table of functions */ - unsigned n_counter_sections; /* Number of types of counters */ - const struct gcov_counter_section_data *counter_sections; - /* The data to be put into the sections. */ + unsigned ctr_mask; /* mask of counters instrumented. */ + struct gcov_ctr_info counts[0]; /* count data. The number of bits + set in the ctr_mask field + determines how big this array + is. */ }; /* Register a new object file module. */ |
