#! @PERL@
-eval "exec @PERL@ -S $0 $*"
+eval "exec @PERL@ -S $0 $@"
if 0;
-# Copyright (C) 1997 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
-# Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1997.
# Based on the mtrace.awk script.
# The GNU C Library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Library General Public License as
-# published by the Free Software Foundation; either version 2 of the
-# License, or (at your option) any later version.
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# Library General Public License for more details.
+# Lesser General Public License for more details.
-# You should have received a copy of the GNU Library General Public
-# License along with the GNU C Library; see the file COPYING.LIB. If not,
-# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, see
+# <https://www.gnu.org/licenses/>.
$VERSION = "@VERSION@";
-$PACKAGE = "libc";
+$PKGVERSION = "@PKGVERSION@";
+$REPORT_BUGS_TO = '@REPORT_BUGS_TO@';
$progname = $0;
sub usage {
print "Usage: mtrace [OPTION]... [Binary] MtraceData\n";
print " --help print this help, then exit\n";
print " --version print version number, then exit\n";
+ print "\n";
+ print "For bug reporting instructions, please see:\n";
+ print "$REPORT_BUGS_TO.\n";
exit 0;
}
if ($ARGV[0] eq "--v" || $ARGV[0] eq "--ve" || $ARGV[0] eq "--ver" ||
$ARGV[0] eq "--vers" || $ARGV[0] eq "--versi" ||
$ARGV[0] eq "--versio" || $ARGV[0] eq "--version") {
- print "mtrace (GNU $PACKAGE) $VERSION\n";
- print "Copyright (C) 1997 Free Software Foundation, Inc.\n";
+ print "mtrace $PKGVERSION$VERSION\n";
+ print "Copyright (C) 2024 Free Software Foundation, Inc.\n";
print "This is free software; see the source for copying conditions. There is NO\n";
print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n";
- print "Written by Ulrich Drepper <drepper\@gnu.ai.mit.edu>\n";
+ print "Written by Ulrich Drepper <drepper\@gnu.org>\n";
exit 0;
} elsif ($ARGV[0] eq "--h" || $ARGV[0] eq "--he" || $ARGV[0] eq "--hel" ||
} elsif ($#ARGV == 1) {
$binary=$ARGV[0];
$data=$ARGV[1];
+
+ if ($binary =~ /^.*[\/].*$/) {
+ $prog = $binary;
+ } else {
+ $prog = "./$binary";
+ }
+ # Set the environment variable LD_TRACE_LOADED_OBJECTS to 2 so the
+ # executable is also printed.
+ if (open (locs, "env LD_TRACE_LOADED_OBJECTS=2 $prog |")) {
+ while (<locs>) {
+ chop;
+ if (/^.*=> (.*) .(0x[0123456789abcdef]*).$/) {
+ $locs{$1} = $2;
+ $rel{$1} = hex($2);
+ }
+ }
+ close (LOCS);
+ }
} else {
- die "Wrong number of arguments.";
+ die "Wrong number of arguments, run $progname --help for help.";
}
+sub addr2line {
+ my $addr = pop(@_);
+ my $prog = pop(@_);
+ if (open (ADDR, "addr2line -e $prog $addr|")) {
+ my $line = <ADDR>;
+ chomp $line;
+ close (ADDR);
+ if ($line ne '??:0') {
+ return $line
+ }
+ }
+}
sub location {
my $str = pop(@_);
return $str if ($str eq "");
- if ($str =~ /[[](0x[^]]*)]:(.)*/) {
+ if ($str =~ /.*[[](0x[^]]*)]:(.)*/) {
my $addr = $1;
my $fct = $2;
return $cache{$addr} if (exists $cache{$addr});
- if ($binary ne "" && open (ADDR, "addr2line -e $binary $addr|")) {
- my $line = <ADDR>;
- chomp $line;
- close (ADDR);
- if ($line ne '??:0') {
+ if ($binary ne "") {
+ my $line = &addr2line($binary, $addr);
+ if ($line) {
$cache{$addr} = $line;
return $cache{$addr};
}
}
$cache{$addr} = $str = "$fct @ $addr";
- } elsif ($str =~ /^[[](0x[^]]*)]$/) {
+ } elsif ($str =~ /^(.*):.*[[](0x[^]]*)]$/) {
+ my $prog = $1;
+ my $addr = $2;
+ my $searchaddr;
+ return $cache{$addr} if (exists $cache{$addr});
+ $searchaddr = sprintf "%#x", hex($addr) + $rel{$prog};
+ if ($binary ne "") {
+ for my $address ($searchaddr, $addr) {
+ my $line = &addr2line($prog, $address);
+ if ($line) {
+ $cache{$addr} = $line;
+ return $cache{$addr};
+ }
+ }
+ }
+ $cache{$addr} = $str = $addr;
+ } elsif ($str =~ /^.*[[](0x[^]]*)]$/) {
my $addr = $1;
return $cache{$addr} if (exists $cache{$addr});
- if ($binary ne "" && open (ADDR, "addr2line -e $binary $addr|")) {
- my $line = <ADDR>;
- chomp $line;
- close (ADDR);
- if ($line ne '??:0') {
+ if ($binary ne "") {
+ my $line = &addr2line($binary, $addr);
+ if ($line) {
$cache{$addr} = $line;
return $cache{$addr};
}
SWITCH: {
if ($cols[$n] eq "+") {
if (defined $allocated{$allocaddr}) {
- printf ("+ %#010x Alloc %d duplicate: %s %s\n",
- hex($allocaddr), $nr, $wherewas{$allocaddr}, $where);
- } else {
+ printf ("+ %#0@XXX@x Alloc %d duplicate: %s %s\n",
+ hex($allocaddr), $nr, &location($addrwas{$allocaddr}),
+ $where);
+ } elsif ($allocaddr =~ /^0x/) {
$allocated{$allocaddr}=$howmuch;
- $wherewas{$allocaddr}=&location($where);
+ $addrwas{$allocaddr}=$where;
}
last SWITCH;
}
if ($cols[$n] eq "-") {
if (defined $allocated{$allocaddr}) {
undef $allocated{$allocaddr};
- undef $wherewas{$allocaddr};
+ undef $addrwas{$allocaddr};
} else {
- printf ("- %#010x Free %d was never alloc'd %s\n",
+ printf ("- %#0@XXX@x Free %d was never alloc'd %s\n",
hex($allocaddr), $nr, &location($where));
}
last SWITCH;
if ($cols[$n] eq "<") {
if (defined $allocated{$allocaddr}) {
undef $allocated{$allocaddr};
- undef $wherewas{$allocaddr};
+ undef $addrwas{$allocaddr};
} else {
- printf ("- %#010x Realloc %d was never alloc'd %s\n",
+ printf ("- %#0@XXX@x Realloc %d was never alloc'd %s\n",
hex($allocaddr), $nr, &location($where));
}
last SWITCH;
}
if ($cols[$n] eq ">") {
if (defined $allocated{$allocaddr}) {
- printf ("+ %#010x Realloc %d duplicate: %#010x %s %s\n",
+ printf ("+ %#0@XXX@x Realloc %d duplicate: %#010x %s %s\n",
hex($allocaddr), $nr, $allocated{$allocaddr},
- $wherewas{$allocaddr}, &location($where));
+ &location($addrwas{$allocaddr}), &location($where));
} else {
$allocated{$allocaddr}=$howmuch;
- $wherewas{$allocaddr}=&location($where);
+ $addrwas{$allocaddr}=$where;
}
last SWITCH;
}
# Now print all remaining entries.
@addrs= keys %allocated;
+$anything=0;
if ($#addrs >= 0) {
- print "\nNot freed memory:\n-----------------\n";
- print ' ' x (@XXX@ - 7), "Address Size Caller\n";
foreach $addr (sort @addrs) {
if (defined $allocated{$addr}) {
+ if ($anything == 0) {
+ print "\nMemory not freed:\n-----------------\n";
+ print ' ' x (@XXX@ - 7), "Address Size Caller\n";
+ $anything=1;
+ }
printf ("%#0@XXX@x %#8x at %s\n", hex($addr), $allocated{$addr},
- $wherewas{$addr});
+ &location($addrwas{$addr}));
}
}
}
+print "No memory leaks.\n" if ($anything == 0);
-exit 0;
+exit $anything != 0;
projects / thirdparty / glibc.git / blobdiff