of basic-block info to/from gmon.out; computing and formatting of
basic-block related statistics.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 1999-2020 Free Software Foundation, Inc.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
\f
-#include <stdio.h>
+#include "gprof.h"
+#include "libiberty.h"
+#include "filenames.h"
#include "basic_blocks.h"
#include "corefile.h"
#include "gmon_io.h"
#include "gmon_out.h"
-#include "gprof.h"
-#include "libiberty.h"
+#include "search_list.h"
#include "source.h"
+#include "symtab.h"
#include "sym_ids.h"
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+
+static int cmp_bb (const PTR, const PTR);
+static int cmp_ncalls (const PTR, const PTR);
+static void fskip_string (FILE *);
+static void annotate_with_count (char *, unsigned int, int, PTR);
/* Default option values: */
-bool bb_annotate_all_lines = FALSE;
+bfd_boolean bb_annotate_all_lines = FALSE;
unsigned long bb_min_calls = 1;
int bb_table_length = 10;
number, and address (in that order). */
static int
-DEFUN (cmp_bb, (lp, rp), const void *lp AND const void *rp)
+cmp_bb (const PTR lp, const PTR rp)
{
int r;
const Sym *left = *(const Sym **) lp;
if (left->file && right->file)
{
- r = strcmp (left->file->name, right->file->name);
-
+ r = filename_cmp (left->file->name, right->file->name);
+
if (r)
return r;
/* Helper for sorting. Order basic blocks in decreasing number of
calls, ties are broken in increasing order of line numbers. */
static int
-DEFUN (cmp_ncalls, (lp, rp), const void *lp AND const void *rp)
+cmp_ncalls (const PTR lp, const PTR rp)
{
const Sym *left = *(const Sym **) lp;
const Sym *right = *(const Sym **) rp;
/* Skip over variable length string. */
static void
-DEFUN (fskip_string, (fp), FILE * fp)
+fskip_string (FILE *fp)
{
int ch;
of file IFP and is provided for formatting error-messages only. */
void
-DEFUN (bb_read_rec, (ifp, filename), FILE * ifp AND const char *filename)
+bb_read_rec (FILE *ifp, const char *filename)
{
- int nblocks, b;
- bfd_vma addr;
- unsigned long ncalls;
+ unsigned int nblocks, b;
+ 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++)
{
}
else
{
- static bool user_warned = FALSE;
+ static bfd_boolean user_warned = FALSE;
if (!user_warned)
{
is the name of OFP and is provided for producing error-messages
only. */
void
-DEFUN (bb_write_blocks, (ofp, filename), FILE * ofp AND const char *filename)
+bb_write_blocks (FILE *ofp, const char *filename)
{
- const unsigned char tag = GMON_TAG_BB_COUNT;
- int nblocks = 0;
- bfd_vma addr;
- unsigned long ncalls;
+ unsigned int nblocks = 0;
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, (bfd_vma) 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)
+print_exec_counts (void)
{
Sym **sorted_bbs, *sym;
- int i, j, len;
+ unsigned int i, j, len;
if (first_output)
first_output = FALSE;
/* 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: */
for (i = 0; i < len; ++i)
{
+ sym = sorted_bbs [i];
+
if (sym->ncalls > 0 || ! ignore_zeros)
{
/* FIXME: This only works if bfd_vma is unsigned long. */
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)
+ compression (counts are suppressed if identical to the last one)
and prints counts on all executed lines. Otherwise, print
all basic-block execution counts exactly once on the line
that starts the basic-block. */
static void
-DEFUN (annotate_with_count, (buf, width, line_num, arg),
- char *buf AND int width AND int line_num AND void *arg)
+annotate_with_count (char *buf, unsigned int width, int line_num, PTR arg)
{
- Source_File *sf = arg;
+ Source_File *sf = (Source_File *) arg;
Sym *b;
- int i;
+ unsigned int i;
static unsigned long last_count;
unsigned long last_print = (unsigned long) -1;
b = NULL;
-
+
if (line_num <= sf->num_lines)
- b = sf->line[line_num - 1];
+ b = (Sym *) sf->line[line_num - 1];
if (!b)
{
char *p;
unsigned long ncalls;
int ncalls_set;
- int len;
+ unsigned int len;
++num_executable_lines;
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)
{
if (! ncalls_set)
{
- int c;
+ unsigned int c;
for (c = 0; c < width; c++)
buf[c] = ' ';
}
else
{
- int c;
+ unsigned int c;
strcpy (buf + width - len, tmpbuf);
for (c = 0; c < width - len; ++c)
regarding that source file are printed. */
void
-DEFUN_VOID (print_annotated_source)
+print_annotated_source (void)
{
Sym *sym, *line_stats, *new_line;
Source_File *sf;
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
{
if (sf->num_lines > 0)
{
- sf->line = (void *) xmalloc (sf->num_lines * sizeof (sf->line[0]));
+ sf->line = (void **) xmalloc (sf->num_lines * sizeof (sf->line[0]));
memset (sf->line, 0, sf->num_lines * sizeof (sf->line[0]));
}
}
&& !sym_lookup (&syms[EXCL_ANNO], sym->addr))))
{
sym->file->ncalls += sym->ncalls;
- line_stats = sym->file->line[sym->line_num - 1];
-
+ line_stats = (Sym *) 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];
-
+ sym = (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