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libgcov.c (gcov_exit): Cleanup and fix.

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* libgcov.c (gcov_exit): Cleanup and fix.
	* profile.c (compute_value_histograms): Don't try to read profiles
	that are not present.

From-SVN: r70100
This commit is contained in:
Zdenek Dvorak 2003-08-02 12:30:48 +02:00 • committed by Zdenek Dvorak
parent 7575931c17
commit 50612a04e5
3 changed files with 113 additions and 80 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2003-08-02 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
* libgcov.c (gcov_exit): Cleanup and fix.
* profile.c (compute_value_histograms): Don't try to read profiles
that are not present.
2003-08-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.def: Categorize.

179
gcc/libgcov.c
View file

@ -122,32 +122,32 @@ gcov_exit (void)
struct gcov_info *gi_ptr;
struct gcov_summary this_program;
struct gcov_summary all;
struct gcov_ctr_summary *cs_ptr;
const struct gcov_ctr_info *ci_ptr;
unsigned t_ix;
gcov_unsigned_t c_num;
memset (&all, 0, sizeof (all));
/* Find the totals for this execution. */
memset (&this_program, 0, sizeof (this_program));
for (gi_ptr = gcov_list; gi_ptr; gi_ptr = gi_ptr->next)
{
const struct gcov_ctr_info *ci_ptr;
struct gcov_ctr_summary *cs_ptr;
unsigned t_ix;
for (t_ix = 0, ci_ptr = gi_ptr->counts, cs_ptr = this_program.ctrs;
t_ix != GCOV_COUNTERS_SUMMABLE; t_ix++, cs_ptr++)
if ((1 << t_ix) & gi_ptr->ctr_mask)
{
const gcov_type *c_ptr;
gcov_unsigned_t c_num;
ci_ptr = gi_ptr->counts;
for (t_ix = 0; t_ix < GCOV_COUNTERS_SUMMABLE; t_ix++)
{
if (!((1 << t_ix) & gi_ptr->ctr_mask))
continue;
cs_ptr->num += ci_ptr->num;
for (c_num = ci_ptr->num, c_ptr = ci_ptr->values; c_num--; c_ptr++)
{
cs_ptr->sum_all += *c_ptr;
if (cs_ptr->run_max < *c_ptr)
cs_ptr->run_max = *c_ptr;
}
ci_ptr++;
}
cs_ptr = &this_program.ctrs[t_ix];
cs_ptr->num += ci_ptr->num;
for (c_num = 0; c_num < ci_ptr->num; c_num++)
{
cs_ptr->sum_all += ci_ptr->values[c_num];
if (cs_ptr->run_max < ci_ptr->values[c_num])
cs_ptr->run_max = ci_ptr->values[c_num];
}
ci_ptr++;
}
}
/* Now merge each file. */
@ -158,9 +158,7 @@ gcov_exit (void)
gcov_type *values[GCOV_COUNTERS];
const struct gcov_fn_info *fi_ptr;
unsigned fi_stride;
unsigned c_ix, t_ix, f_ix;
const struct gcov_ctr_info *ci_ptr;
struct gcov_ctr_summary *cs_ptr;
unsigned c_ix, f_ix, n_counts;
struct gcov_ctr_summary *cs_obj, *cs_tobj, *cs_prg, *cs_tprg, *cs_all;
int error = 0;
gcov_unsigned_t tag, length;
@ -170,24 +168,30 @@ gcov_exit (void)
memset (&object, 0, sizeof (object));
/* Totals for this object file. */
for (t_ix = c_ix = 0,
ci_ptr = gi_ptr->counts, cs_ptr = this_object.ctrs;
t_ix != GCOV_COUNTERS_SUMMABLE; t_ix++, cs_ptr++)
ci_ptr = gi_ptr->counts;
for (t_ix = 0; t_ix < GCOV_COUNTERS_SUMMABLE; t_ix++)
{
if (!((1 << t_ix) & gi_ptr->ctr_mask))
continue;
cs_ptr = &this_program.ctrs[t_ix];
cs_ptr->num += ci_ptr->num;
for (c_num = 0; c_num < ci_ptr->num; c_num++)
{
cs_ptr->sum_all += ci_ptr->values[c_num];
if (cs_ptr->run_max < ci_ptr->values[c_num])
cs_ptr->run_max = ci_ptr->values[c_num];
}
ci_ptr++;
}
c_ix = 0;
for (t_ix = 0; t_ix < GCOV_COUNTERS; t_ix++)
if ((1 << t_ix) & gi_ptr->ctr_mask)
{
const gcov_type *c_ptr;
gcov_unsigned_t c_num;
cs_ptr->num += ci_ptr->num;
values[c_ix] = ci_ptr->values;
for (c_num = ci_ptr->num, c_ptr = ci_ptr->values; c_num--; c_ptr++)
{
cs_ptr->sum_all += *c_ptr;
if (cs_ptr->run_max < *c_ptr)
cs_ptr->run_max = *c_ptr;
}
values[c_ix] = gi_ptr->counts[c_ix].values;
c_ix++;
ci_ptr++;
}
/* Calculate the function_info stride. This depends on the
@ -231,11 +235,10 @@ gcov_exit (void)
}
/* Merge execution counts for each function. */
for (f_ix = gi_ptr->n_functions, fi_ptr = gi_ptr->functions;
f_ix--;
fi_ptr = (const struct gcov_fn_info *)
((const char *) fi_ptr + fi_stride))
for (f_ix = 0; f_ix < gi_ptr->n_functions; f_ix++)
{
fi_ptr = (const struct gcov_fn_info *)
((const char *) gi_ptr->functions + f_ix * fi_stride);
tag = gcov_read_unsigned ();
length = gcov_read_unsigned ();
@ -252,25 +255,31 @@ gcov_exit (void)
goto read_fatal;
}
for (c_ix = t_ix = 0; t_ix != GCOV_COUNTERS; t_ix++)
if ((1 << t_ix) & gi_ptr->ctr_mask)
{
unsigned n_counts = fi_ptr->n_ctrs[c_ix];
gcov_merge_fn merge = gi_ptr->counts[c_ix].merge;
c_ix = 0;
for (t_ix = 0; t_ix < GCOV_COUNTERS; t_ix++)
{
gcov_merge_fn merge;
if (!((1 << t_ix) & gi_ptr->ctr_mask))
continue;
n_counts = fi_ptr->n_ctrs[c_ix];
merge = gi_ptr->counts[c_ix].merge;
tag = gcov_read_unsigned ();
length = gcov_read_unsigned ();
if (tag != GCOV_TAG_FOR_COUNTER (t_ix)
|| length != GCOV_TAG_COUNTER_LENGTH (n_counts))
goto read_mismatch;
(*merge) (values[c_ix], n_counts);
values[c_ix] += n_counts;
c_ix++;
tag = gcov_read_unsigned ();
length = gcov_read_unsigned ();
if (tag != GCOV_TAG_FOR_COUNTER (t_ix)
|| length != GCOV_TAG_COUNTER_LENGTH (n_counts))
goto read_mismatch;
(*merge) (values[c_ix], n_counts);
values[c_ix] += n_counts;
c_ix++;
}
if ((error = gcov_is_error ()))
goto read_error;
}
f_ix = ~0u;
/* Check program & object summary */
while (1)
{
@ -310,13 +319,14 @@ gcov_exit (void)
/* Merge the summaries. */
f_ix = ~0u;
for (t_ix = c_ix = 0,
cs_obj = object.ctrs, cs_tobj = this_object.ctrs,
cs_prg = program.ctrs, cs_tprg = this_program.ctrs,
cs_all = all.ctrs;
t_ix != GCOV_COUNTERS_SUMMABLE;
t_ix++, cs_obj++, cs_tobj++, cs_prg++, cs_tprg++, cs_all++)
for (t_ix = 0; t_ix < GCOV_COUNTERS_SUMMABLE; t_ix++)
{
cs_obj = &object.ctrs[t_ix];
cs_tobj = &this_object.ctrs[t_ix];
cs_prg = &program.ctrs[t_ix];
cs_tprg = &program.ctrs[t_ix];
cs_all = &all.ctrs[t_ix];
if ((1 << t_ix) & gi_ptr->ctr_mask)
{
if (!cs_obj->runs++)
@ -336,9 +346,6 @@ gcov_exit (void)
if (cs_prg->run_max < cs_tprg->run_max)
cs_prg->run_max = cs_tprg->run_max;
cs_prg->sum_max += cs_tprg->run_max;
values[c_ix] = gi_ptr->counts[c_ix].values;
c_ix++;
}
else if (cs_obj->num || cs_prg->num)
goto read_mismatch;
@ -356,6 +363,14 @@ gcov_exit (void)
}
}
c_ix = 0;
for (t_ix = 0; t_ix < GCOV_COUNTERS; t_ix++)
if ((1 << t_ix) & gi_ptr->ctr_mask)
{
values[c_ix] = gi_ptr->counts[c_ix].values;
c_ix++;
}
program.checksum = gcov_crc32;
/* Write out the data. */
@ -363,29 +378,35 @@ gcov_exit (void)
gcov_write_unsigned (gi_ptr->stamp);
/* Write execution counts for each function. */
for (f_ix = gi_ptr->n_functions, fi_ptr = gi_ptr->functions; f_ix--;
fi_ptr = (const struct gcov_fn_info *)
((const char *) fi_ptr + fi_stride))
for (f_ix = 0; f_ix < gi_ptr->n_functions; f_ix++)
{
fi_ptr = (const struct gcov_fn_info *)
((const char *) gi_ptr->functions + f_ix * fi_stride);
/* Announce function. */
gcov_write_tag_length (GCOV_TAG_FUNCTION, GCOV_TAG_FUNCTION_LENGTH);
gcov_write_unsigned (fi_ptr->ident);
gcov_write_unsigned (fi_ptr->checksum);
for (c_ix = t_ix = 0; t_ix != GCOV_COUNTERS; t_ix++)
if ((1 << t_ix) & gi_ptr->ctr_mask)
{
unsigned n_counts = fi_ptr->n_ctrs[c_ix];
gcov_type *c_ptr;
c_ix = 0;
for (t_ix = 0; t_ix < GCOV_COUNTERS; t_ix++)
{
gcov_type *c_ptr;
if (!((1 << t_ix) & gi_ptr->ctr_mask))
continue;
n_counts = fi_ptr->n_ctrs[c_ix];
gcov_write_tag_length (GCOV_TAG_FOR_COUNTER (t_ix),
GCOV_TAG_COUNTER_LENGTH (n_counts));
c_ptr = values[c_ix];
while (n_counts--)
gcov_write_counter (*c_ptr++);
values[c_ix] = c_ptr;
c_ix++;
}
gcov_write_tag_length (GCOV_TAG_FOR_COUNTER (t_ix),
GCOV_TAG_COUNTER_LENGTH (n_counts));
c_ptr = values[c_ix];
while (n_counts--)
gcov_write_counter (*c_ptr++);
values[c_ix] = c_ptr;
c_ix++;
}
}
/* Object file summary. */

8
gcc/profile.c
View file

@ -622,9 +622,15 @@ compute_value_histograms (unsigned n_values, struct histogram_value *values)
any = 0;
for (t = 0; t < GCOV_N_VALUE_COUNTERS; t++)
{
if (!n_histogram_counters[t])
{
histogram_counts[t] = NULL;
continue;
}
histogram_counts[t] =
get_coverage_counts (COUNTER_FOR_HIST_TYPE (t),
n_histogram_counters[t], &profile_info);
n_histogram_counters[t], NULL);
if (histogram_counts[t])
any = 1;
act_count[t] = histogram_counts[t];