diff options
Diffstat (limited to 'gcc-4.9/libgcc/libgcov-driver.c')
| -rw-r--r-- | gcc-4.9/libgcc/libgcov-driver.c | 469 |
1 files changed, 413 insertions, 56 deletions
diff --git a/gcc-4.9/libgcc/libgcov-driver.c b/gcc-4.9/libgcc/libgcov-driver.c index dc8cf362b..3c569f171 100644 --- a/gcc-4.9/libgcc/libgcov-driver.c +++ b/gcc-4.9/libgcc/libgcov-driver.c @@ -34,28 +34,24 @@ void __gcov_init (struct gcov_info *p __attribute__ ((unused))) {} #else /* inhibit_libc */ +#if !defined(__KERNEL__) #include <string.h> #if GCOV_LOCKED #include <fcntl.h> #include <errno.h> #include <sys/stat.h> #endif +#endif /* __KERNEL__ */ #ifdef L_gcov #include "gcov-io.c" -#ifndef IN_GCOV_TOOL -extern gcov_unsigned_t __gcov_sampling_period; -extern gcov_unsigned_t __gcov_has_sampling; -static int gcov_sampling_period_initialized = 0; -#endif - /* Unique identifier assigned to each module (object file). */ static gcov_unsigned_t gcov_cur_module_id = 0; /* Dynamic call graph build and form module groups. */ -int __gcov_compute_module_groups (void) ATTRIBUTE_HIDDEN; +int __gcov_compute_module_groups (char **zero_counts) ATTRIBUTE_HIDDEN; void __gcov_finalize_dyn_callgraph (void) ATTRIBUTE_HIDDEN; /* The following functions can be called from outside of this file. */ @@ -67,7 +63,11 @@ extern int get_gcov_dump_complete (void) ATTRIBUTE_HIDDEN; extern void set_gcov_list (struct gcov_info *) ATTRIBUTE_HIDDEN; __attribute__((weak)) void __coverage_callback (gcov_type, int); -#ifndef IN_GCOV_TOOL +#if !defined(IN_GCOV_TOOL) && !defined(__KERNEL__) +extern gcov_unsigned_t __gcov_sampling_period; +extern gcov_unsigned_t __gcov_has_sampling; +static int gcov_sampling_period_initialized = 0; + /* Create a strong reference to these symbols so that they are unconditionally pulled into the instrumented binary, even when the only reference is a weak reference. This is necessary because @@ -129,6 +129,24 @@ set_gcov_list (struct gcov_info *head) __gcov_list = head; } +/* Flag if the current function being read was marked as having fixed-up + zero counters. */ +static int __gcov_curr_fn_fixed_up; + +/* Set function fixed up flag. */ +void +set_gcov_fn_fixed_up (int fixed_up) +{ + __gcov_curr_fn_fixed_up = fixed_up; +} + +/* Return function fixed up flag. */ +int +get_gcov_fn_fixed_up (void) +{ + return __gcov_curr_fn_fixed_up; +} + /* Size of the longest file name. */ /* We need to expose this static variable when compiling for gcov-tool. */ #ifndef IN_GCOV_TOOL @@ -181,8 +199,8 @@ free_fn_data (const struct gcov_info *gi_ptr, struct gcov_fn_buffer *buffer, for (ix = 0; ix != limit; ix++) if (gi_ptr->merge[ix]) - free (buffer->info.ctrs[n_ctr++].values); - free (buffer); + xfree (buffer->info.ctrs[n_ctr++].values); + xfree (buffer); return next; } @@ -386,7 +404,10 @@ static int run_accounted = 0; /* This funtions computes the program level summary and the histo-gram. It computes and returns CRC32 and stored summary in THIS_PRG. */ -static gcov_unsigned_t +#if !IN_GCOV_TOOL +static +#endif +gcov_unsigned_t gcov_exit_compute_summary (struct gcov_summary *this_prg) { struct gcov_info *gi_ptr; @@ -451,14 +472,58 @@ struct gcov_filename_aux{ }; /* Including system dependent components. */ +#if !defined (__KERNEL__) #include "libgcov-driver-system.c" +#else +#include "libgcov-driver-kernel.c" +#endif + +static int +scan_build_info (struct gcov_info *gi_ptr) +{ + gcov_unsigned_t i, length; + gcov_unsigned_t num_strings = 0; + char **build_info_strings; + length = gcov_read_unsigned (); + build_info_strings = gcov_read_build_info (length, &num_strings); + if (!build_info_strings) + { + gcov_error ("profiling:%s:Error reading build info\n", gi_filename); + return -1; + } + if (!gi_ptr->build_info) + { + gcov_error ("profiling:%s:Mismatched build info sections, expected " + "none, found %u strings)\n", gi_filename, num_strings); + return -1; + } + + for (i = 0; i < num_strings; i++) + { + if (strcmp (build_info_strings[i], gi_ptr->build_info[i])) + { + gcov_error ("profiling:%s:Mismatched build info string " + "(expected %s, read %s)\n", + gi_filename, gi_ptr->build_info[i], + build_info_strings[i]); + return -1; + } + xfree (build_info_strings[i]); + } + xfree (build_info_strings); + return 0; +} + +#if !defined(__KERNEL__) /* Scan through the current open gcda file corresponding to GI_PTR - to locate the end position of the last summary, returned in - SUMMARY_END_POS_P. Return 0 on success, -1 on error. */ + to locate the end position just before function data should be rewritten, + returned in SUMMARY_END_POS_P. E.g. scan past the last summary and other + sections that won't be rewritten, like the build info. Return 0 on success, + -1 on error. */ static int -gcov_scan_summary_end (struct gcov_info *gi_ptr, - gcov_position_t *summary_end_pos_p) +gcov_scan_to_function_data (struct gcov_info *gi_ptr, + gcov_position_t *summary_end_pos_p) { gcov_unsigned_t tag, version, stamp; tag = gcov_read_unsigned (); @@ -493,8 +558,21 @@ gcov_scan_summary_end (struct gcov_info *gi_ptr, return -1; } + /* If there is a build info section, scan past it as well. */ + if (tag == GCOV_TAG_BUILD_INFO) + { + if (scan_build_info (gi_ptr) < 0) + return -1; + + *summary_end_pos_p = gcov_position (); + tag = gcov_read_unsigned (); + } + /* The next section should be the function counters. */ + gcc_assert (tag == GCOV_TAG_FUNCTION); + return 0; } +#endif /* __KERNEL__ */ /* This function merges counters in GI_PTR to an existing gcda file. Return 0 on success. @@ -514,6 +592,7 @@ gcov_exit_merge_gcda (struct gcov_info *gi_ptr, int error = 0; struct gcov_fn_buffer **fn_tail = &fn_buffer; struct gcov_summary_buffer **sum_tail = &sum_buffer; + int *zero_fixup_flags = NULL; length = gcov_read_unsigned (); if (!gcov_version (gi_ptr, length, gi_filename)) @@ -565,6 +644,31 @@ gcov_exit_merge_gcda (struct gcov_info *gi_ptr, next_summary:; } + if (tag == GCOV_TAG_BUILD_INFO) + { + if (scan_build_info (gi_ptr) < 0) + return -1; + + /* Since the stamps matched if we got here, this should be from + the same compilation and the build info strings should match. */ + tag = gcov_read_unsigned (); + } + + if (tag == GCOV_TAG_COMDAT_ZERO_FIXUP) + { + gcov_unsigned_t num_fns = 0; + length = gcov_read_unsigned (); + zero_fixup_flags = gcov_read_comdat_zero_fixup (length, &num_fns); + if (!zero_fixup_flags) + { + gcov_error ("profiling:%s:Error reading zero fixup flags\n", + gi_filename); + return -1; + } + + tag = gcov_read_unsigned (); + } + /* Merge execution counts for each function. */ for (f_ix = 0; (unsigned)f_ix != gi_ptr->n_functions; f_ix++, tag = gcov_read_unsigned ()) @@ -598,6 +702,9 @@ gcov_exit_merge_gcda (struct gcov_info *gi_ptr, continue; } + if (zero_fixup_flags) + set_gcov_fn_fixed_up (zero_fixup_flags[f_ix]); + length = gcov_read_unsigned (); if (length != gfi_ptr->ident) goto read_mismatch; @@ -629,6 +736,7 @@ gcov_exit_merge_gcda (struct gcov_info *gi_ptr, if ((error = gcov_is_error ())) goto read_error; } + xfree (zero_fixup_flags); if (tag && tag != GCOV_TAG_MODULE_INFO) { @@ -646,6 +754,57 @@ read_error: return -1; } +#if !defined(__KERNEL__) +/* Write NUM_FNS ZERO_COUNTS fixup flags to a gcda file starting from its + current location. */ + +static void +gcov_write_comdat_zero_fixup (char *zero_counts, unsigned num_fns) +{ + unsigned f_ix; + gcov_unsigned_t len = GCOV_TAG_COMDAT_ZERO_FIXUP_LENGTH (num_fns); + gcov_unsigned_t bitvector = 0, b_ix = 0; + gcov_write_tag_length (GCOV_TAG_COMDAT_ZERO_FIXUP, len); + + gcov_write_unsigned (num_fns); + for (f_ix = 0; f_ix != num_fns; f_ix++) + { + if (zero_counts[f_ix]) + bitvector |= 1 << b_ix; + if (++b_ix == 32) + { + gcov_write_unsigned (bitvector); + b_ix = 0; + bitvector = 0; + } + } + if (b_ix > 0) + gcov_write_unsigned (bitvector); +} +#endif /* __KERNEL__ */ + +/* Write build_info strings from GI_PTR to a gcda file starting from its current + location. */ + +static void +gcov_write_build_info (struct gcov_info *gi_ptr) +{ + gcov_unsigned_t num = 0; + gcov_unsigned_t len = 1; + + if (!gi_ptr->build_info) + return; + + /* Count the number of strings, which is terminated with an empty string. */ + while (gi_ptr->build_info[num][0]) + num++; + + len += gcov_compute_string_array_len (gi_ptr->build_info, num); + gcov_write_tag_length (GCOV_TAG_BUILD_INFO, len); + gcov_write_unsigned (num); + gcov_write_string_array (gi_ptr->build_info, num); +} + /* Write counters in GI_PTR to a gcda file starting from its current location. */ @@ -676,7 +835,7 @@ gcov_write_func_counters (struct gcov_info *gi_ptr) if (gfi_ptr && gfi_ptr->key == gi_ptr) length = GCOV_TAG_FUNCTION_LENGTH; else - length = 0; + length = 0; } gcov_write_tag_length (GCOV_TAG_FUNCTION, length); @@ -704,8 +863,10 @@ gcov_write_func_counters (struct gcov_info *gi_ptr) gcov_write_counter (*c_ptr++); ci_ptr++; } +#if !defined(__KERNEL__) if (buffered) fn_buffer = free_fn_data (gi_ptr, fn_buffer, GCOV_COUNTERS); +#endif /* __KERNEL__ */ } gi_ptr->eof_pos = gcov_position (); @@ -748,10 +909,12 @@ gcov_exit_write_gcda (struct gcov_info *gi_ptr, { gcov_write_summary (GCOV_TAG_PROGRAM_SUMMARY, &sum_buffer->summary); next_sum_buffer = sum_buffer->next; - free (sum_buffer); + xfree (sum_buffer); sum_buffer = next_sum_buffer; } + gcov_write_build_info (gi_ptr); + /* Write the counters. */ gcov_write_func_counters (gi_ptr); } @@ -835,6 +998,8 @@ gcov_exit_merge_summary (const struct gcov_info *gi_ptr, struct gcov_summary *pr return 0; } +__attribute__((weak)) gcov_unsigned_t __gcov_lipo_sampling_period; + /* Sort N entries in VALUE_ARRAY in descending order. Each entry in VALUE_ARRAY has two values. The sorting is based on the second value. */ @@ -906,6 +1071,62 @@ gcov_sort_topn_counter_arrays (const struct gcov_info *gi_ptr) } } +/* Scaling LIPO sampled profile counters. */ +static void +gcov_scaling_lipo_counters (const struct gcov_info *gi_ptr) +{ + unsigned int i,j,k; + int f_ix; + const struct gcov_fn_info *gfi_ptr; + const struct gcov_ctr_info *ci_ptr; + + if (__gcov_lipo_sampling_period <= 1) + return; + + for (f_ix = 0; (unsigned)f_ix != gi_ptr->n_functions; f_ix++) + { + gfi_ptr = gi_ptr->functions[f_ix]; + ci_ptr = gfi_ptr->ctrs; + for (i = 0; i < GCOV_COUNTERS; i++) + { + if (!gcov_counter_active (gi_ptr, i)) + continue; + if (i == GCOV_COUNTER_ICALL_TOPNV) + { + for (j = 0; j < ci_ptr->num; j += GCOV_ICALL_TOPN_NCOUNTS) + for (k = 2; k < GCOV_ICALL_TOPN_NCOUNTS; k += 2) + ci_ptr->values[j+k] *= __gcov_lipo_sampling_period; + } + if (i == GCOV_COUNTER_DIRECT_CALL) + { + for (j = 0; j < ci_ptr->num; j += 2) + ci_ptr->values[j+1] *= __gcov_lipo_sampling_period; + } + ci_ptr++; + } + } +} + +/* Open a gcda file specified by GI_FILENAME. + Return -1 on error. Return 0 on success. */ + +static int +gcov_exit_open_gcda_file (struct gcov_info *gi_ptr, struct gcov_filename_aux *gf) +{ + int gcov_prefix_strip; + size_t prefix_length; + char *gi_filename_up; + + gcov_prefix_strip = gf->gcov_prefix_strip; + gi_filename_up = gf->gi_filename_up; + prefix_length = gf->prefix_length; + + gcov_strip_leading_dirs (prefix_length, gcov_prefix_strip, gi_ptr->filename, + gi_filename_up); + + return gcov_open_by_filename (gi_filename); +} + /* Dump the coverage counts for one gcov_info object. We merge with existing counts when possible, to avoid growing the .da files ad infinitum. We use this program's checksum to make sure we only accumulate whole program @@ -918,9 +1139,14 @@ gcov_exit_dump_gcov (struct gcov_info *gi_ptr, struct gcov_filename_aux *gf, gcov_unsigned_t crc32, struct gcov_summary *all_prg, struct gcov_summary *this_prg) { +/* We have to make the decl static as kernel has limited stack size. + If we put prg to stack, we will running into nasty stack overflow. */ +#if defined(__KERNEL__) + static +#endif struct gcov_summary prg; /* summary for this object over all program. */ int error; - gcov_unsigned_t tag; + gcov_unsigned_t tag = 0; gcov_position_t summary_pos = 0; gcov_position_t eof_pos = 0; @@ -928,12 +1154,15 @@ gcov_exit_dump_gcov (struct gcov_info *gi_ptr, struct gcov_filename_aux *gf, sum_buffer = 0; gcov_sort_topn_counter_arrays (gi_ptr); + gcov_scaling_lipo_counters (gi_ptr); error = gcov_exit_open_gcda_file (gi_ptr, gf); if (error == -1) return; +#if !defined(__KERNEL__) tag = gcov_read_unsigned (); +#endif if (tag) { /* Merge data from file. */ @@ -964,8 +1193,21 @@ gcov_exit_dump_gcov (struct gcov_info *gi_ptr, struct gcov_filename_aux *gf, /* fall through */ read_fatal:; +#if !defined(__KERNEL__) while (fn_buffer) fn_buffer = free_fn_data (gi_ptr, fn_buffer, GCOV_COUNTERS); +#else + + /* In LIPO mode, dump the primary module info. */ + if (gi_ptr->mod_info && gi_ptr->mod_info->is_primary) + { + /* Overwrite the zero word at the of the file. */ + gcov_seek (gi_ptr->eof_pos); + gcov_write_module_info (gi_ptr, 1); + /* Write the end marker */ + gcov_write_unsigned (0); + } +#endif if ((error = gcov_close ())) gcov_error (error < 0 ? @@ -974,6 +1216,7 @@ read_fatal:; gi_filename); } +#if !defined (__KERNEL__) /* Write imported files (auxiliary modules) for primary module GI_PTR into file GI_FILENAME. */ @@ -1009,7 +1252,7 @@ gcov_write_import_file (char *gi_filename, struct gcov_info *gi_ptr) fprintf (imports_file, "%s%s\n", imp_mods[i]->imp_mod->mod_info->da_filename, GCOV_DATA_SUFFIX); } - free (imp_mods); + xfree (imp_mods); } fclose (imports_file); } @@ -1020,9 +1263,24 @@ gcov_dump_module_info (struct gcov_filename_aux *gf) { struct gcov_info *gi_ptr; + unsigned max_module_id = 0; + for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) + { + unsigned mod_id = gi_ptr->mod_info->ident; + if (max_module_id < mod_id) + max_module_id = mod_id; + } + char **zero_counts = (char **) xcalloc (max_module_id, sizeof (char *)); + for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) + { + unsigned mod_id = gi_ptr->mod_info->ident; + zero_counts[mod_id-1] = (char *) xcalloc (gi_ptr->n_functions, + sizeof (char)); + } + /* Compute the module groups and record whether there were any counter fixups applied that require rewriting the counters. */ - int changed = __gcov_compute_module_groups (); + int changed = __gcov_compute_module_groups (zero_counts); /* Now write out module group info. */ for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) @@ -1034,10 +1292,10 @@ gcov_dump_module_info (struct gcov_filename_aux *gf) if (changed) { - /* Scan file to find the end of the summary section, which is + /* Scan file to find the start of the function section, which is where we will start re-writing the counters. */ gcov_position_t summary_end_pos; - if (gcov_scan_summary_end (gi_ptr, &summary_end_pos) == -1) + if (gcov_scan_to_function_data (gi_ptr, &summary_end_pos) == -1) gcov_error ("profiling:%s:Error scanning summaries\n", gi_filename); else @@ -1045,8 +1303,15 @@ gcov_dump_module_info (struct gcov_filename_aux *gf) gcov_position_t eof_pos = gi_ptr->eof_pos; gcov_rewrite (); gcov_seek (summary_end_pos); + + unsigned mod_id = gi_ptr->mod_info->ident; + gcov_write_comdat_zero_fixup (zero_counts[mod_id-1], + gi_ptr->n_functions); + gcov_position_t zero_fixup_eof_pos = gcov_position (); + gcov_write_func_counters (gi_ptr); - gcc_assert (eof_pos == gi_ptr->eof_pos); + gcc_assert (eof_pos + (zero_fixup_eof_pos - summary_end_pos) + == gi_ptr->eof_pos); } } else @@ -1065,7 +1330,11 @@ gcov_dump_module_info (struct gcov_filename_aux *gf) "profiling:%s:Error writing\n", gi_filename); gcov_write_import_file (gi_filename, gi_ptr); + free (zero_counts[gi_ptr->mod_info->ident-1]); } + + free (zero_counts); + __gcov_finalize_dyn_callgraph (); } @@ -1102,7 +1371,8 @@ gcov_exit (void) /* The IS_PRIMARY field is overloaded to indicate if this module is FDO/LIPO. */ - dump_module_info |= gi_ptr->mod_info->is_primary; + if (gi_ptr->mod_info) + dump_module_info |= gi_ptr->mod_info->is_primary; } run_accounted = 1; @@ -1110,38 +1380,7 @@ gcov_exit (void) gcov_dump_module_info (&gf); if (gi_filename) - free (gi_filename); -} - -/* Reset all counters to zero. */ - -void -gcov_clear (void) -{ - const struct gcov_info *gi_ptr; - - for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) - { - unsigned f_ix; - - for (f_ix = 0; f_ix < gi_ptr->n_functions; f_ix++) - { - unsigned t_ix; - const struct gcov_fn_info *gfi_ptr = gi_ptr->functions[f_ix]; - - if (!gfi_ptr || gfi_ptr->key != gi_ptr) - continue; - const struct gcov_ctr_info *ci_ptr = gfi_ptr->ctrs; - for (t_ix = 0; t_ix != GCOV_COUNTERS; t_ix++) - { - if (!gi_ptr->merge[t_ix]) - continue; - - memset (ci_ptr->values, 0, sizeof (gcov_type) * ci_ptr->num); - ci_ptr++; - } - } - } + xfree (gi_filename); } /* Add a new object file onto the bb chain. Invoked automatically @@ -1160,6 +1399,13 @@ __gcov_init (struct gcov_info *info) if (env_value_int >= 1) __gcov_sampling_period = env_value_int; } + env_value_str = getenv ("GCOV_LIPO_SAMPLING_PERIOD"); + if (env_value_str) + { + int env_value_int = atoi(env_value_str); + if (env_value_int >= 0) + __gcov_lipo_sampling_period = env_value_int; + } gcov_sampling_period_initialized = 1; } #endif @@ -1189,5 +1435,116 @@ __gcov_init (struct gcov_info *info) info->version = 0; } +#else /* __KERNEL__ */ + +static struct gcov_filename_aux gf; +static gcov_unsigned_t crc32; +static struct gcov_summary all_prg; +static struct gcov_summary this_prg; +void +gcov_kernel_dump_gcov_init (void) +{ + crc32 = gcov_exit_compute_summary (&this_prg); + allocate_filename_struct (&gf); + memset (&all_prg, 0, sizeof (all_prg)); +} + +void +gcov_kernel_dump_one_gcov(struct gcov_info *info) +{ + gcov_exit_dump_gcov (info, &gf, crc32, &all_prg, &this_prg); +} + +#endif /* __KERNEL__ */ + +/* Reset all counters to zero. */ + +void +gcov_clear (void) +{ + const struct gcov_info *gi_ptr; + + for (gi_ptr = __gcov_list; gi_ptr; gi_ptr = gi_ptr->next) + { + unsigned f_ix; + + for (f_ix = 0; f_ix < gi_ptr->n_functions; f_ix++) + { + unsigned t_ix; + const struct gcov_fn_info *gfi_ptr = gi_ptr->functions[f_ix]; + const struct gcov_ctr_info *ci_ptr; + + if (!gfi_ptr || gfi_ptr->key != gi_ptr) + continue; + ci_ptr = gfi_ptr->ctrs; + for (t_ix = 0; t_ix != GCOV_COUNTERS; t_ix++) + { + if (!gi_ptr->merge[t_ix]) + continue; + + memset (ci_ptr->values, 0, sizeof (gcov_type) * ci_ptr->num); + ci_ptr++; + } + } + } +} + +/* Write out MOD_INFO into the gcda file. IS_PRIMARY is a flag + indicating if the module is the primary module in the group. */ + +void +gcov_write_module_info (const struct gcov_info *mod_info, + unsigned is_primary) +{ + gcov_unsigned_t len = 0, filename_len = 0, src_filename_len = 0, i; + gcov_unsigned_t num_strings; + gcov_unsigned_t *aligned_fname; + struct gcov_module_info *module_info = mod_info->mod_info; + filename_len = (strlen (module_info->da_filename) + + sizeof (gcov_unsigned_t)) / sizeof (gcov_unsigned_t); + src_filename_len = (strlen (module_info->source_filename) + + sizeof (gcov_unsigned_t)) / sizeof (gcov_unsigned_t); + len = filename_len + src_filename_len; + len += 2; /* each name string is led by a length. */ + + num_strings = module_info->num_quote_paths + module_info->num_bracket_paths + + module_info->num_system_paths + + module_info->num_cpp_defines + module_info->num_cpp_includes + + module_info->num_cl_args; + len += gcov_compute_string_array_len (module_info->string_array, + num_strings); + + len += 11; /* 11 more fields */ + + gcov_write_tag_length (GCOV_TAG_MODULE_INFO, len); + gcov_write_unsigned (module_info->ident); + gcov_write_unsigned (is_primary); + gcov_write_unsigned (module_info->flags); + gcov_write_unsigned (module_info->lang); + gcov_write_unsigned (module_info->ggc_memory); + gcov_write_unsigned (module_info->num_quote_paths); + gcov_write_unsigned (module_info->num_bracket_paths); + gcov_write_unsigned (module_info->num_system_paths); + gcov_write_unsigned (module_info->num_cpp_defines); + gcov_write_unsigned (module_info->num_cpp_includes); + gcov_write_unsigned (module_info->num_cl_args); + + /* Now write the filenames */ + aligned_fname = (gcov_unsigned_t *) alloca ((filename_len + src_filename_len + 2) * + sizeof (gcov_unsigned_t)); + memset (aligned_fname, 0, + (filename_len + src_filename_len + 2) * sizeof (gcov_unsigned_t)); + aligned_fname[0] = filename_len; + strcpy ((char*) (aligned_fname + 1), module_info->da_filename); + aligned_fname[filename_len + 1] = src_filename_len; + strcpy ((char*) (aligned_fname + filename_len + 2), module_info->source_filename); + + for (i = 0; i < (filename_len + src_filename_len + 2); i++) + gcov_write_unsigned (aligned_fname[i]); + + /* Now write the string array. */ + gcov_write_string_array (module_info->string_array, num_strings); +} + #endif /* L_gcov */ #endif /* inhibit_libc */ |