diff options
Diffstat (limited to 'gcc-4.9/gcc/gcov-io.h')
| -rw-r--r-- | gcc-4.9/gcc/gcov-io.h | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/gcc-4.9/gcc/gcov-io.h b/gcc-4.9/gcc/gcov-io.h index 50ffa557a..e67bce4ea 100644 --- a/gcc-4.9/gcc/gcov-io.h +++ b/gcc-4.9/gcc/gcov-io.h @@ -129,7 +129,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see blocks they are for. The data file contains the following records. - data: {unit summary:object summary:program* function-data*}* + data: {unit summary:program* build_info zero_fixup function-data*}* unit: header int32:checksum function-data: announce_function present counts announce_function: header int32:ident @@ -141,6 +141,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see int64:max int64:sum_max histogram histogram: {int32:bitvector}8 histogram-buckets* histogram-buckets: int32:num int64:min int64:sum + build_info: string:info* + zero_fixup: int32:num int32:bitvector* The ANNOUNCE_FUNCTION record is the same as that in the note file, but without the source location. The COUNTS gives the @@ -152,6 +154,17 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see zero. Note that the data file might contain information from several runs concatenated, or the data might be merged. + BUILD_INFO record contains a list of strings that is used + to include in the data file information about the profile generate + build. For example, it can be used to include source revision + information that is useful in diagnosing profile mis-matches. + + ZERO_FIXUP record contains a count of functions in the gcda file + and an array of bitvectors indexed by the function index's in the + function-data section. Each bit flags whether the function was a + COMDAT that had all-zero profiles that was fixed up by dyn-ipa + using profiles from functions with matching checksums in other modules. + This file is included by both the compiler, gcov tools and the runtime support library libgcov. IN_LIBGCOV and IN_GCOV are used to distinguish which case is which. If IN_LIBGCOV is nonzero, @@ -164,6 +177,18 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #ifndef GCC_GCOV_IO_H #define GCC_GCOV_IO_H +#ifndef __KERNEL__ +# define _GCOV_FILE FILE +# define _GCOV_fclose fclose +# define _GCOV_ftell ftell +# define _GCOV_fseek fseek +# define _GCOV_ftruncate ftruncate +# define _GCOV_fread fread +# define _GCOV_fwrite fwrite +# define _GCOV_fread fread +# define _GCOV_fileno fileno +#endif + #ifndef IN_LIBGCOV /* About the host */ @@ -255,8 +280,12 @@ typedef unsigned HOST_WIDEST_INT gcov_type_unsigned; #define GCOV_TAG_COUNTER_NUM(LENGTH) ((LENGTH) / 2) #define GCOV_TAG_OBJECT_SUMMARY ((gcov_unsigned_t)0xa1000000) /* Obsolete */ #define GCOV_TAG_PROGRAM_SUMMARY ((gcov_unsigned_t)0xa3000000) +#define GCOV_TAG_COMDAT_ZERO_FIXUP ((gcov_unsigned_t)0xa9000000) +/* Ceiling divide by 32 bit word size, plus one word to hold NUM. */ +#define GCOV_TAG_COMDAT_ZERO_FIXUP_LENGTH(NUM) (1 + (NUM + 31) / 32) #define GCOV_TAG_SUMMARY_LENGTH(NUM) \ (1 + GCOV_COUNTERS_SUMMABLE * (10 + 3 * 2) + (NUM) * 5) +#define GCOV_TAG_BUILD_INFO ((gcov_unsigned_t)0xa7000000) #define GCOV_TAG_MODULE_INFO ((gcov_unsigned_t)0xab000000) #define GCOV_TAG_AFDO_FILE_NAMES ((gcov_unsigned_t)0xaa000000) #define GCOV_TAG_AFDO_FUNCTION ((gcov_unsigned_t)0xac000000) @@ -434,9 +463,16 @@ GCOV_LINKAGE int gcov_close (void) ATTRIBUTE_HIDDEN; GCOV_LINKAGE gcov_unsigned_t gcov_read_unsigned (void) ATTRIBUTE_HIDDEN; GCOV_LINKAGE gcov_type gcov_read_counter (void) ATTRIBUTE_HIDDEN; GCOV_LINKAGE void gcov_read_summary (struct gcov_summary *) ATTRIBUTE_HIDDEN; +GCOV_LINKAGE int *gcov_read_comdat_zero_fixup (gcov_unsigned_t, + gcov_unsigned_t *) + ATTRIBUTE_HIDDEN; +GCOV_LINKAGE char **gcov_read_build_info (gcov_unsigned_t, gcov_unsigned_t *) + ATTRIBUTE_HIDDEN; GCOV_LINKAGE const char *gcov_read_string (void); GCOV_LINKAGE void gcov_sync (gcov_position_t /*base*/, gcov_unsigned_t /*length */); +GCOV_LINKAGE gcov_unsigned_t gcov_read_string_array (char **, gcov_unsigned_t) + ATTRIBUTE_HIDDEN; #if !IN_LIBGCOV && IN_GCOV != 1 @@ -447,6 +483,11 @@ GCOV_LINKAGE void gcov_read_module_info (struct gcov_module_info *mod_info, #if !IN_GCOV /* Available outside gcov */ GCOV_LINKAGE void gcov_write_unsigned (gcov_unsigned_t) ATTRIBUTE_HIDDEN; +GCOV_LINKAGE gcov_unsigned_t gcov_compute_string_array_len (char **, + gcov_unsigned_t) + ATTRIBUTE_HIDDEN; +GCOV_LINKAGE void gcov_write_string_array (char **, gcov_unsigned_t) + ATTRIBUTE_HIDDEN; #endif #if !IN_GCOV && !IN_LIBGCOV |