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Throwable.java (trace_enabled): New static field.

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* java/lang/Throwable.java (trace_enabled): New static field.
	* java/lang/natThrowable.cc (fillInStackTrace): Do nothing if
	trace_enabled not set.
	* prims.cc (main_init): Turn off trace_enabled while creating
	default exception objects.

From-SVN: r38442
This commit is contained in:
Bryce McKinlay 2000-12-22 06:19:24 +00:00 committed by Bryce McKinlay
parent 98c17df26e
commit 86a42a5f24
4 changed files with 18 additions and 0 deletions
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8
libjava/ChangeLog
View File

@ -1,3 +1,11 @@
2000-12-22 Bryce McKinlay <bryce@albatross.co.nz>
* java/lang/Throwable.java (trace_enabled): New static field.
* java/lang/natThrowable.cc (fillInStackTrace): Do nothing if
trace_enabled not set.
* prims.cc (main_init): Turn off trace_enabled while creating
default exception objects.
2000-12-21 Tom Tromey <tromey@redhat.com>
* java/beans/PropertyChangeListener.java: Extends EventListener.

2
libjava/java/lang/Throwable.java
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@ -164,6 +164,8 @@ public class Throwable implements Serializable
// Name of this field comes from serialization spec.
private String detailMessage;
// Setting this flag to false prevents fillInStackTrace() from running.
static boolean trace_enabled = true;
private transient byte stackTrace[];
private static final long serialVersionUID = -3042686055658047285L;
}

2
libjava/java/lang/natThrowable.cc
View File

@ -50,6 +50,8 @@ extern "C" int __ia64_backtrace (void **array, int size);
java::lang::Throwable *
java::lang::Throwable::fillInStackTrace (void)
{
if (! trace_enabled)
return this;
#if defined (HAVE_BACKTRACE) || defined (__ia64__)
void *p[128];

6
libjava/prims.cc
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@ -687,6 +687,10 @@ win32_exception_handler (LPEXCEPTION_POINTERS e)
static void
main_init ()
{
// Turn stack trace generation off while creating exception objects.
_Jv_InitClass (&java::lang::Throwable::class$);
java::lang::Throwable::trace_enabled = 0;
INIT_SEGV;
#ifdef HANDLE_FPE
INIT_FPE;
@ -697,6 +701,8 @@ main_init ()
no_memory = new java::lang::OutOfMemoryError;
java::lang::Throwable::trace_enabled = 1;
#ifdef USE_LTDL
LTDL_SET_PRELOADED_SYMBOLS ();
#endif