mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-20 16:49:24 +08:00
85ea93b38f
* java/lang/natThrowable.cc: Updated copyright. * java/io/natFileWin32.cc: Updated copyright. * java/io/natFileDescriptorWin32.cc: Updated copyright. * win32-threads.cc: Updated copyright. * name-finder.cc: Updated copyright. * include/name-finder.h: Updated copyright. From-SVN: r49586
105 lines
2.4 KiB
C++
105 lines
2.4 KiB
C++
// natThrowable.cc - Superclass for all exceptions.
|
|
|
|
/* Copyright (C) 2000 Free Software Foundation, Inc
|
|
|
|
This file is part of libgcj.
|
|
|
|
This software is copyrighted work licensed under the terms of the
|
|
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
|
|
details. */
|
|
|
|
/**
|
|
* @author Andrew Haley <aph@cygnus.com>
|
|
* @date Jan 6 2000
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include <gcj/cni.h>
|
|
#include <jvm.h>
|
|
#include <java/lang/Object.h>
|
|
#include <java-threads.h>
|
|
#include <java/lang/Throwable.h>
|
|
#include <java/io/PrintStream.h>
|
|
#include <java/io/PrintWriter.h>
|
|
#include <java/io/IOException.h>
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
#ifdef HAVE_EXECINFO_H
|
|
#include <execinfo.h>
|
|
#endif
|
|
|
|
#include <name-finder.h>
|
|
|
|
/* FIXME: size of the stack trace is limited to 128 elements. It's
|
|
undoubtedly sensible to limit the stack trace, but 128 is rather
|
|
arbitrary. It may be better to configure this. */
|
|
|
|
java::lang::Throwable *
|
|
java::lang::Throwable::fillInStackTrace (void)
|
|
{
|
|
if (! trace_enabled)
|
|
return this;
|
|
#if defined (HAVE_BACKTRACE)
|
|
void *p[128];
|
|
|
|
// We subtract 1 from the number of elements because we don't want
|
|
// to include the call to fillInStackTrace in the trace.
|
|
int n = backtrace (p, 128) - 1;
|
|
|
|
if (n > 0)
|
|
{
|
|
// We copy the array below to deal with alignment issues.
|
|
stackTrace = JvNewByteArray (n * sizeof p[0]);
|
|
memcpy (elements (stackTrace), p+1, (n * sizeof p[0]));
|
|
}
|
|
|
|
#endif
|
|
|
|
return this;
|
|
}
|
|
|
|
void
|
|
java::lang::Throwable::printRawStackTrace (java::io::PrintWriter *wr)
|
|
{
|
|
wr->println (toString ());
|
|
#ifdef HAVE_BACKTRACE
|
|
if (!stackTrace)
|
|
return;
|
|
|
|
int depth = stackTrace->length / sizeof (void *);
|
|
void *p[depth];
|
|
memcpy (p, elements (stackTrace), sizeof p);
|
|
|
|
_Jv_name_finder finder (_Jv_ThisExecutable ());
|
|
|
|
for (int i = 0; i < depth; i++)
|
|
{
|
|
bool found = finder.lookup (p[i]);
|
|
wr->print (JvNewStringLatin1 (" at "));
|
|
wr->print (JvNewStringLatin1 (finder.hex));
|
|
if (found)
|
|
{
|
|
wr->print (JvNewStringLatin1 (": "));
|
|
wr->print (JvNewStringLatin1 (finder.method_name));
|
|
if (finder.file_name[0])
|
|
{
|
|
wr->print (JvNewStringLatin1 (" ("));
|
|
wr->print (JvNewStringLatin1 (finder.file_name));
|
|
wr->print (JvNewStringLatin1 (")"));
|
|
}
|
|
}
|
|
wr->println ();
|
|
}
|
|
#endif /* HAVE_BACKTRACE */
|
|
wr->flush ();
|
|
}
|