* libgcc2.c (__bb_exit_func): Kill -ax dumping code.
From-SVN: r48159
This commit is contained in:
Jan Hubicka
Jan Hubicka
parent
b1bf2706e8
commit
114e78f8f0
|
|
@ -1,3 +1,7 @@
|
|||
Tue Dec 18 16:37:42 CET 2001 Jan Hubicka <jh@suse.cz>
|
||||
|
||||
* libgcc2.c (__bb_exit_func): Kill -ax dumping code.
|
||||
|
||||
2001-12-18 Jason Merrill <jason@redhat.com>
|
||||
|
||||
C++ ABI change: destroy value arguments in caller.
|
||||
|
|
|
|||
341
gcc/libgcc2.c
341
gcc/libgcc2.c
|
|
@ -1332,275 +1332,146 @@ static int num_digits (long long value, int base) __attribute__ ((const));
|
|||
void
|
||||
__bb_exit_func (void)
|
||||
{
|
||||
FILE *da_file, *file;
|
||||
FILE *da_file;
|
||||
long time_value;
|
||||
int i;
|
||||
struct bb *ptr;
|
||||
|
||||
if (bb_head == 0)
|
||||
return;
|
||||
|
||||
i = strlen (bb_head->filename) - 3;
|
||||
|
||||
if (!strcmp (bb_head->filename+i, ".da"))
|
||||
|
||||
for (ptr = bb_head; ptr != (struct bb *) 0; ptr = ptr->next)
|
||||
{
|
||||
/* Must be -fprofile-arcs not -a.
|
||||
Dump data in a form that gcov expects. */
|
||||
int firstchar;
|
||||
|
||||
struct bb *ptr;
|
||||
/* Make sure the output file exists -
|
||||
but don't clobber exiting data. */
|
||||
if ((da_file = fopen (ptr->filename, "a")) != 0)
|
||||
fclose (da_file);
|
||||
|
||||
for (ptr = bb_head; ptr != (struct bb *) 0; ptr = ptr->next)
|
||||
/* Need to re-open in order to be able to write from the start. */
|
||||
da_file = fopen (ptr->filename, "r+b");
|
||||
/* Some old systems might not allow the 'b' mode modifier.
|
||||
Therefore, try to open without it. This can lead to a race
|
||||
condition so that when you delete and re-create the file, the
|
||||
file might be opened in text mode, but then, you shouldn't
|
||||
delete the file in the first place. */
|
||||
if (da_file == 0)
|
||||
da_file = fopen (ptr->filename, "r+");
|
||||
if (da_file == 0)
|
||||
{
|
||||
int firstchar;
|
||||
fprintf (stderr, "arc profiling: Can't open output file %s.\n",
|
||||
ptr->filename);
|
||||
continue;
|
||||
}
|
||||
|
||||
/* Make sure the output file exists -
|
||||
but don't clobber exiting data. */
|
||||
if ((da_file = fopen (ptr->filename, "a")) != 0)
|
||||
fclose (da_file);
|
||||
/* After a fork, another process might try to read and/or write
|
||||
the same file simultanously. So if we can, lock the file to
|
||||
avoid race conditions. */
|
||||
#if defined (TARGET_HAS_F_SETLKW)
|
||||
{
|
||||
struct flock s_flock;
|
||||
|
||||
/* Need to re-open in order to be able to write from the start. */
|
||||
da_file = fopen (ptr->filename, "r+b");
|
||||
/* Some old systems might not allow the 'b' mode modifier.
|
||||
Therefore, try to open without it. This can lead to a race
|
||||
condition so that when you delete and re-create the file, the
|
||||
file might be opened in text mode, but then, you shouldn't
|
||||
delete the file in the first place. */
|
||||
if (da_file == 0)
|
||||
da_file = fopen (ptr->filename, "r+");
|
||||
if (da_file == 0)
|
||||
s_flock.l_type = F_WRLCK;
|
||||
s_flock.l_whence = SEEK_SET;
|
||||
s_flock.l_start = 0;
|
||||
s_flock.l_len = 1;
|
||||
s_flock.l_pid = getpid ();
|
||||
|
||||
while (fcntl (fileno (da_file), F_SETLKW, &s_flock)
|
||||
&& errno == EINTR);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* If the file is not empty, and the number of counts in it is the
|
||||
same, then merge them in. */
|
||||
firstchar = fgetc (da_file);
|
||||
if (firstchar == EOF)
|
||||
{
|
||||
if (ferror (da_file))
|
||||
{
|
||||
fprintf (stderr, "arc profiling: Can't open output file %s.\n",
|
||||
fprintf (stderr, "arc profiling: Can't read output file ");
|
||||
perror (ptr->filename);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
long n_counts = 0;
|
||||
|
||||
if (ungetc (firstchar, da_file) == EOF)
|
||||
rewind (da_file);
|
||||
if (__read_long (&n_counts, da_file, 8) != 0)
|
||||
{
|
||||
fprintf (stderr, "arc profiling: Can't read output file %s.\n",
|
||||
ptr->filename);
|
||||
continue;
|
||||
}
|
||||
|
||||
/* After a fork, another process might try to read and/or write
|
||||
the same file simultanously. So if we can, lock the file to
|
||||
avoid race conditions. */
|
||||
#if defined (TARGET_HAS_F_SETLKW)
|
||||
{
|
||||
struct flock s_flock;
|
||||
|
||||
s_flock.l_type = F_WRLCK;
|
||||
s_flock.l_whence = SEEK_SET;
|
||||
s_flock.l_start = 0;
|
||||
s_flock.l_len = 1;
|
||||
s_flock.l_pid = getpid ();
|
||||
|
||||
while (fcntl (fileno (da_file), F_SETLKW, &s_flock)
|
||||
&& errno == EINTR);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* If the file is not empty, and the number of counts in it is the
|
||||
same, then merge them in. */
|
||||
firstchar = fgetc (da_file);
|
||||
if (firstchar == EOF)
|
||||
if (n_counts == ptr->ncounts)
|
||||
{
|
||||
if (ferror (da_file))
|
||||
{
|
||||
fprintf (stderr, "arc profiling: Can't read output file ");
|
||||
perror (ptr->filename);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
long n_counts = 0;
|
||||
int i;
|
||||
|
||||
if (ungetc (firstchar, da_file) == EOF)
|
||||
rewind (da_file);
|
||||
if (__read_long (&n_counts, da_file, 8) != 0)
|
||||
for (i = 0; i < n_counts; i++)
|
||||
{
|
||||
fprintf (stderr, "arc profiling: Can't read output file %s.\n",
|
||||
ptr->filename);
|
||||
continue;
|
||||
}
|
||||
gcov_type v = 0;
|
||||
|
||||
if (n_counts == ptr->ncounts)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < n_counts; i++)
|
||||
if (__read_gcov_type (&v, da_file, 8) != 0)
|
||||
{
|
||||
gcov_type v = 0;
|
||||
|
||||
if (__read_gcov_type (&v, da_file, 8) != 0)
|
||||
{
|
||||
fprintf (stderr, "arc profiling: Can't read output file %s.\n",
|
||||
ptr->filename);
|
||||
break;
|
||||
}
|
||||
ptr->counts[i] += v;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
rewind (da_file);
|
||||
|
||||
/* ??? Should first write a header to the file. Preferably, a 4 byte
|
||||
magic number, 4 bytes containing the time the program was
|
||||
compiled, 4 bytes containing the last modification time of the
|
||||
source file, and 4 bytes indicating the compiler options used.
|
||||
|
||||
That way we can easily verify that the proper source/executable/
|
||||
data file combination is being used from gcov. */
|
||||
|
||||
if (__write_gcov_type (ptr->ncounts, da_file, 8) != 0)
|
||||
{
|
||||
|
||||
fprintf (stderr, "arc profiling: Error writing output file %s.\n",
|
||||
ptr->filename);
|
||||
}
|
||||
else
|
||||
{
|
||||
int j;
|
||||
gcov_type *count_ptr = ptr->counts;
|
||||
int ret = 0;
|
||||
for (j = ptr->ncounts; j > 0; j--)
|
||||
{
|
||||
if (__write_gcov_type (*count_ptr, da_file, 8) != 0)
|
||||
{
|
||||
ret=1;
|
||||
fprintf (stderr,
|
||||
"arc profiling: Can't read output file %s.\n",
|
||||
ptr->filename);
|
||||
break;
|
||||
}
|
||||
count_ptr++;
|
||||
ptr->counts[i] += v;
|
||||
}
|
||||
if (ret)
|
||||
fprintf (stderr, "arc profiling: Error writing output file %s.\n",
|
||||
ptr->filename);
|
||||
}
|
||||
|
||||
if (fclose (da_file) == EOF)
|
||||
fprintf (stderr, "arc profiling: Error closing output file %s.\n",
|
||||
}
|
||||
|
||||
rewind (da_file);
|
||||
|
||||
/* ??? Should first write a header to the file. Preferably, a 4 byte
|
||||
magic number, 4 bytes containing the time the program was
|
||||
compiled, 4 bytes containing the last modification time of the
|
||||
source file, and 4 bytes indicating the compiler options used.
|
||||
|
||||
That way we can easily verify that the proper source/executable/
|
||||
data file combination is being used from gcov. */
|
||||
|
||||
if (__write_gcov_type (ptr->ncounts, da_file, 8) != 0)
|
||||
{
|
||||
|
||||
fprintf (stderr, "arc profiling: Error writing output file %s.\n",
|
||||
ptr->filename);
|
||||
}
|
||||
else
|
||||
{
|
||||
int j;
|
||||
gcov_type *count_ptr = ptr->counts;
|
||||
int ret = 0;
|
||||
for (j = ptr->ncounts; j > 0; j--)
|
||||
{
|
||||
if (__write_gcov_type (*count_ptr, da_file, 8) != 0)
|
||||
{
|
||||
ret = 1;
|
||||
break;
|
||||
}
|
||||
count_ptr++;
|
||||
}
|
||||
if (ret)
|
||||
fprintf (stderr, "arc profiling: Error writing output file %s.\n",
|
||||
ptr->filename);
|
||||
}
|
||||
|
||||
return;
|
||||
if (fclose (da_file) == EOF)
|
||||
fprintf (stderr, "arc profiling: Error closing output file %s.\n",
|
||||
ptr->filename);
|
||||
}
|
||||
|
||||
/* Must be basic block profiling. Emit a human readable output file. */
|
||||
|
||||
file = fopen ("bb.out", "a");
|
||||
|
||||
if (!file)
|
||||
perror ("bb.out");
|
||||
|
||||
else
|
||||
{
|
||||
struct bb *ptr;
|
||||
|
||||
/* This is somewhat type incorrect, but it avoids worrying about
|
||||
exactly where time.h is included from. It should be ok unless
|
||||
a void * differs from other pointer formats, or if sizeof (long)
|
||||
is < sizeof (time_t). It would be nice if we could assume the
|
||||
use of rationale standards here. */
|
||||
|
||||
time ((void *) &time_value);
|
||||
fprintf (file, "Basic block profiling finished on %s\n",
|
||||
ctime ((void *) &time_value));
|
||||
|
||||
/* We check the length field explicitly in order to allow compatibility
|
||||
with older GCC's which did not provide it. */
|
||||
|
||||
for (ptr = bb_head; ptr != (struct bb *) 0; ptr = ptr->next)
|
||||
{
|
||||
int i;
|
||||
int func_p = (ptr->nwords >= (long) sizeof (struct bb)
|
||||
&& ptr->nwords <= 1000
|
||||
&& ptr->functions);
|
||||
int line_p = (func_p && ptr->line_nums);
|
||||
int file_p = (func_p && ptr->filenames);
|
||||
int addr_p = (ptr->addresses != 0);
|
||||
long ncounts = ptr->ncounts;
|
||||
gcov_type cnt_max = 0;
|
||||
long line_max = 0;
|
||||
long addr_max = 0;
|
||||
int file_len = 0;
|
||||
int func_len = 0;
|
||||
int blk_len = num_digits (ncounts, 10);
|
||||
int cnt_len;
|
||||
int line_len;
|
||||
int addr_len;
|
||||
|
||||
fprintf (file, "File %s, %ld basic blocks \n\n",
|
||||
ptr->filename, ncounts);
|
||||
|
||||
/* Get max values for each field. */
|
||||
for (i = 0; i < ncounts; i++)
|
||||
{
|
||||
const char *p;
|
||||
int len;
|
||||
|
||||
if (cnt_max < ptr->counts[i])
|
||||
cnt_max = ptr->counts[i];
|
||||
|
||||
if (addr_p && (unsigned long) addr_max < ptr->addresses[i])
|
||||
addr_max = ptr->addresses[i];
|
||||
|
||||
if (line_p && line_max < ptr->line_nums[i])
|
||||
line_max = ptr->line_nums[i];
|
||||
|
||||
if (func_p)
|
||||
{
|
||||
p = (ptr->functions[i]) ? (ptr->functions[i]) : "<none>";
|
||||
len = strlen (p);
|
||||
if (func_len < len)
|
||||
func_len = len;
|
||||
}
|
||||
|
||||
if (file_p)
|
||||
{
|
||||
p = (ptr->filenames[i]) ? (ptr->filenames[i]) : "<none>";
|
||||
len = strlen (p);
|
||||
if (file_len < len)
|
||||
file_len = len;
|
||||
}
|
||||
}
|
||||
|
||||
addr_len = num_digits (addr_max, 16);
|
||||
cnt_len = num_digits (cnt_max, 10);
|
||||
line_len = num_digits (line_max, 10);
|
||||
|
||||
/* Now print out the basic block information. */
|
||||
for (i = 0; i < ncounts; i++)
|
||||
{
|
||||
#if LONG_TYPE_SIZE == GCOV_TYPE_SIZE
|
||||
fprintf (file,
|
||||
" Block #%*d: executed %*ld time(s)",
|
||||
blk_len, i+1,
|
||||
cnt_len, ptr->counts[i]);
|
||||
#else
|
||||
fprintf (file,
|
||||
" Block #%*d: executed %*lld time(s)",
|
||||
blk_len, i+1,
|
||||
cnt_len, ptr->counts[i]);
|
||||
#endif
|
||||
|
||||
if (addr_p)
|
||||
fprintf (file, " address= 0x%.*lx", addr_len,
|
||||
ptr->addresses[i]);
|
||||
|
||||
if (func_p)
|
||||
fprintf (file, " function= %-*s", func_len,
|
||||
(ptr->functions[i]) ? ptr->functions[i] : "<none>");
|
||||
|
||||
if (line_p)
|
||||
fprintf (file, " line= %*ld", line_len, ptr->line_nums[i]);
|
||||
|
||||
if (file_p)
|
||||
fprintf (file, " file= %s",
|
||||
(ptr->filenames[i]) ? ptr->filenames[i] : "<none>");
|
||||
|
||||
fprintf (file, "\n");
|
||||
}
|
||||
|
||||
fprintf (file, "\n");
|
||||
fflush (file);
|
||||
}
|
||||
|
||||
fprintf (file, "\n\n");
|
||||
fclose (file);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
void
|
||||
|
|
|
|||
Loading…
Reference in New Issue