of basic-block info to/from gmon.out; computing and formatting of
basic-block related statistics.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU Binutils.
if (left->file && right->file)
{
r = strcmp (left->file->name, right->file->name);
-
+
if (r)
return r;
DEFUN (bb_read_rec, (ifp, filename), FILE * ifp AND const char *filename)
{
int nblocks, b;
- bfd_vma addr;
- unsigned long ncalls;
+ bfd_vma addr, ncalls;
Sym *sym;
- if (fread (&nblocks, sizeof (nblocks), 1, ifp) != 1)
+ if (gmon_io_read_32 (ifp, &nblocks))
{
- fprintf (stderr, _("%s: %s: unexpected end of file\n"), whoami, filename);
+ fprintf (stderr, _("%s: %s: unexpected end of file\n"),
+ whoami, filename);
done (1);
}
nblocks = bfd_get_32 (core_bfd, (bfd_byte *) & nblocks);
-
if (gmon_file_version == 0)
fskip_string (ifp);
if (gmon_file_version == 0)
{
int line_num;
-
+
/* Version 0 had lots of extra stuff that we don't
care about anymore. */
if ((fread (&ncalls, sizeof (ncalls), 1, ifp) != 1)
done (1);
}
}
- else
+ else if (gmon_io_read_vma (ifp, &addr)
+ || gmon_io_read_vma (ifp, &ncalls))
{
- if (fread (&addr, sizeof (addr), 1, ifp) != 1
- || fread (&ncalls, sizeof (ncalls), 1, ifp) != 1)
- {
- perror (filename);
- done (1);
- }
+ perror (filename);
+ done (1);
}
/* Basic-block execution counts are meaningful only if we're
- profiling at the line-by-line level: */
+ profiling at the line-by-line level: */
if (line_granularity)
{
- /* Convert from target to host endianness: */
- addr = get_vma (core_bfd, (bfd_byte *) & addr);
- ncalls = bfd_get_32 (core_bfd, (bfd_byte *) &ncalls);
-
sym = sym_lookup (&symtab, addr);
if (sym)
DBG (BBDEBUG,
printf ("[bb_read_rec] 0x%lx->0x%lx (%s:%d) cnt=%lu\n",
(unsigned long) addr, (unsigned long) sym->addr,
- sym->name, sym->line_num, ncalls));
+ sym->name, sym->line_num, (unsigned long) ncalls));
for (i = 0; i < NBBS; i++)
{
void
DEFUN (bb_write_blocks, (ofp, filename), FILE * ofp AND const char *filename)
{
- const unsigned char tag = GMON_TAG_BB_COUNT;
int nblocks = 0;
- bfd_vma addr;
- unsigned long ncalls;
Sym *sym;
int i;
}
/* Write header: */
- bfd_put_32 (core_bfd, nblocks, (bfd_byte *) & nblocks);
- if (fwrite (&tag, sizeof (tag), 1, ofp) != 1
- || fwrite (&nblocks, sizeof (nblocks), 1, ofp) != 1)
+ if (gmon_io_write_8 (ofp, GMON_TAG_BB_COUNT)
+ || gmon_io_write_32 (ofp, nblocks))
{
perror (filename);
done (1);
{
for (i = 0; i < NBBS && sym->bb_addr[i]; i++)
{
- put_vma (core_bfd, sym->bb_addr[i], (bfd_byte *) & addr);
- bfd_put_32 (core_bfd, sym->bb_calls[i], (bfd_byte *) & ncalls);
-
- if (fwrite (&addr, sizeof (addr), 1, ofp) != 1
- || fwrite (&ncalls, sizeof (ncalls), 1, ofp) != 1)
+ if (gmon_io_write_vma (ofp, sym->bb_addr[i])
+ || gmon_io_write_vma (ofp, sym->bb_calls[i]))
{
perror (filename);
done (1);
/* Output basic-block statistics in a format that is easily parseable.
Current the format is:
-
- <filename>:<line-number>: (<function-name>:<bb-addr): <ncalls> */
+
+ <filename>:<line-number>: (<function-name>:<bb-addr): <ncalls> */
void
DEFUN_VOID (print_exec_counts)
/* Sort basic-blocks according to function name and line number: */
sorted_bbs = (Sym **) xmalloc (symtab.len * sizeof (sorted_bbs[0]));
len = 0;
-
+
for (sym = symtab.base; sym < symtab.limit; ++sym)
{
/* Accept symbol if it's in the INCL_EXEC table
- or there is no INCL_EXEC table
- and it does not appear in the EXCL_EXEC table. */
+ or there is no INCL_EXEC table
+ and it does not appear in the EXCL_EXEC table. */
if (sym_lookup (&syms[INCL_EXEC], sym->addr)
|| (syms[INCL_EXEC].len == 0
&& !sym_lookup (&syms[EXCL_EXEC], sym->addr)))
sorted_bbs[len++] = sym;
}
}
-
+
qsort (sorted_bbs, len, sizeof (sorted_bbs[0]), cmp_bb);
/* Output basic-blocks: */
sym->file ? sym->file->name : _("<unknown>"), sym->line_num,
sym->name, (unsigned long) sym->addr, sym->ncalls);
}
-
+
for (j = 0; j < NBBS && sym->bb_addr[j]; j ++)
{
if (sym->bb_calls[j] > 0 || ! ignore_zeros)
/* Helper for bb_annotated_source: format annotation containing
number of line executions. Depends on being called on each
line of a file in sequential order.
-
+
Global variable bb_annotate_all_lines enables execution count
compression (counts are supressed if identical to the last one)
and prints counts on all executed lines. Otherwise, print
unsigned long last_print = (unsigned long) -1;
b = NULL;
-
+
if (line_num <= sf->num_lines)
b = sf->line[line_num - 1];
ncalls_set = 0;
/* If this is a function entry point, label the line no matter what.
- Otherwise, we're in the middle of a function, so check to see
- if the first basic-block address is larger than the starting
- address of the line. If so, then this line begins with a
- a portion of the previous basic-block, so print that prior
- execution count (if bb_annotate_all_lines is set). */
+ Otherwise, we're in the middle of a function, so check to see
+ if the first basic-block address is larger than the starting
+ address of the line. If so, then this line begins with a
+ a portion of the previous basic-block, so print that prior
+ execution count (if bb_annotate_all_lines is set). */
if (b->is_func)
{
sprintf (p, "%lu", b->ncalls);
}
/* Loop through all of this line's basic-blocks. For each one,
- update last_count, then compress sequential identical counts
- (if bb_annotate_all_lines) and print the execution count. */
+ update last_count, then compress sequential identical counts
+ (if bb_annotate_all_lines) and print the execution count. */
for (i = 0; i < NBBS && b->bb_addr[i]; i++)
{
}
/* We're done. If nothing has been printed on this line,
- print the last execution count (bb_annotate_all_lines),
- which could be from either a previous line (if there were
- no BBs on this line), or from this line (if all our BB
- counts were compressed out because they were identical). */
+ print the last execution count (bb_annotate_all_lines),
+ which could be from either a previous line (if there were
+ no BBs on this line), or from this line (if all our BB
+ counts were compressed out because they were identical). */
if (bb_annotate_all_lines && p == tmpbuf)
{
for (sym = symtab.base; sym < symtab.limit; ++sym)
{
/* Accept symbol if it's file is known, its line number is
- bigger than anything we have seen for that file so far and
- if it's in the INCL_ANNO table or there is no INCL_ANNO
- table and it does not appear in the EXCL_ANNO table. */
+ bigger than anything we have seen for that file so far and
+ if it's in the INCL_ANNO table or there is no INCL_ANNO
+ table and it does not appear in the EXCL_ANNO table. */
if (sym->file && sym->line_num > sym->file->num_lines
&& (sym_lookup (&syms[INCL_ANNO], sym->addr)
|| (syms[INCL_ANNO].len == 0
{
sym->file->ncalls += sym->ncalls;
line_stats = sym->file->line[sym->line_num - 1];
-
+
if (!line_stats)
{
/* Common case has at most one basic-block per source line: */
continue;
num_executable_lines = num_lines_executed = 0;
-
+
ofp = annotate_source (sf, 16, annotate_with_count, sf);
if (!ofp)
continue;
/* Abuse line arrays---it's not needed anymore: */
qsort (sf->line, sf->num_lines, sizeof (sf->line[0]), cmp_ncalls);
table_len = bb_table_length;
-
+
if (table_len > sf->num_lines)
table_len = sf->num_lines;
-
+
for (i = 0; i < table_len; ++i)
{
sym = sf->line[i];
-
+
if (!sym || sym->ncalls == 0)
break;
num_executable_lines
? (double) sf->ncalls / (double) num_executable_lines
: 0.0);
-
+
if (ofp != stdout)
fclose (ofp);
}
projects / deliverable / binutils-gdb.git / blobdiff