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* [Bug libgcj/21906] New: hang when invoking abstract method
@ 2005-06-04 6:11 tromey at gcc dot gnu dot org
2005-06-04 6:13 ` [Bug libgcj/21906] " tromey at gcc dot gnu dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: tromey at gcc dot gnu dot org @ 2005-06-04 6:11 UTC (permalink / raw)
To: java-prs
Try the test case "abstract.fail.abstract2" from the mauve
"verify" module. (You will need jasmin to build this.)
This test case gets a SEGV in the unwinder:
Program received signal SIGSEGV, Segmentation fault.
uw_frame_state_for (context=0xbfff9998, fs=0xbfff98d8) at linux-unwind.h:125
125 in linux-unwind.h
Continuing results in the same SEGV endlessly.
The underlying cause of this is that a _Jv_Method has 0x0 as its
'ncode'. Instead it would be more correct to put
'throw new AbstractMethodError' there. I have a partial patch
to do this (the compiler should also do this...).
However I think the unwinder crashing is a bug regardless of whether
this other problem is fixed.
--
Summary: hang when invoking abstract method
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libgcj
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tromey at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org,java-prs at gcc dot gnu
dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21906
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug libgcj/21906] hang when invoking abstract method 2005-06-04 6:11 [Bug libgcj/21906] New: hang when invoking abstract method tromey at gcc dot gnu dot org @ 2005-06-04 6:13 ` tromey at gcc dot gnu dot org 2005-06-04 6:13 ` tromey at gcc dot gnu dot org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: tromey at gcc dot gnu dot org @ 2005-06-04 6:13 UTC (permalink / raw) To: java-prs ------- Additional Comments From tromey at gcc dot gnu dot org 2005-06-04 06:13 ------- Created an attachment (id=9026) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9026&action=view) abstract/fail/abstract2.class I've uploaded the class files so that you don't have to dig up jasmin. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21906 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcj/21906] hang when invoking abstract method 2005-06-04 6:11 [Bug libgcj/21906] New: hang when invoking abstract method tromey at gcc dot gnu dot org 2005-06-04 6:13 ` [Bug libgcj/21906] " tromey at gcc dot gnu dot org @ 2005-06-04 6:13 ` tromey at gcc dot gnu dot org 2005-06-14 20:26 ` tromey at gcc dot gnu dot org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: tromey at gcc dot gnu dot org @ 2005-06-04 6:13 UTC (permalink / raw) To: java-prs ------- Additional Comments From tromey at gcc dot gnu dot org 2005-06-04 06:13 ------- Created an attachment (id=9025) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9025&action=view) abstract/fail/abstract1.class -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21906 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcj/21906] hang when invoking abstract method 2005-06-04 6:11 [Bug libgcj/21906] New: hang when invoking abstract method tromey at gcc dot gnu dot org 2005-06-04 6:13 ` [Bug libgcj/21906] " tromey at gcc dot gnu dot org 2005-06-04 6:13 ` tromey at gcc dot gnu dot org @ 2005-06-14 20:26 ` tromey at gcc dot gnu dot org 2005-06-15 19:11 ` cvs-commit at gcc dot gnu dot org 2005-06-15 19:12 ` tromey at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: tromey at gcc dot gnu dot org @ 2005-06-14 20:26 UTC (permalink / raw) To: java-prs ------- Additional Comments From tromey at gcc dot gnu dot org 2005-06-14 20:26 ------- I am testing a patch. -- What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |tromey at gcc dot gnu dot |dot org |org Status|UNCONFIRMED |ASSIGNED Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2005-06-14 20:26:11 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21906 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcj/21906] hang when invoking abstract method 2005-06-04 6:11 [Bug libgcj/21906] New: hang when invoking abstract method tromey at gcc dot gnu dot org ` (2 preceding siblings ...) 2005-06-14 20:26 ` tromey at gcc dot gnu dot org @ 2005-06-15 19:11 ` cvs-commit at gcc dot gnu dot org 2005-06-15 19:12 ` tromey at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu dot org @ 2005-06-15 19:11 UTC (permalink / raw) To: java-prs ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-06-15 19:11 ------- Subject: Bug 21906 CVSROOT: /cvs/gcc Module name: gcc Changes by: tromey@gcc.gnu.org 2005-06-15 19:11:43 Modified files: libjava : ChangeLog defineclass.cc link.cc libjava/include: jvm.h gcc/java : ChangeLog class.c decl.c java-tree.h Log message: gcc/java/: PR libgcj/21906: * class.c (make_method_value): Use soft_abstractmethod_node for abstract method. * java-tree.h (soft_abstractmethod_node): New define. (JTI_SOFT_ABSTRACTMETHOD_NODE): New enum constant. * decl.c (java_init_decl_processing): Initialize soft_abstractmethod_node. libjava/: PR libgcj/21906: * defineclass.cc (handleMethodsEnd): Set ncode for abstract methods. * include/jvm.h (_Jv_ThrowAbstractMethodError): Declare. * link.cc (_Jv_ThrowAbstractMethodError): Renamed. No longer static. (append_partial_itable): Use it. (set_vtable_entries): Likewise. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libjava/ChangeLog.diff?cvsroot=gcc&r1=1.3666&r2=1.3667 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libjava/defineclass.cc.diff?cvsroot=gcc&r1=1.45&r2=1.46 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libjava/link.cc.diff?cvsroot=gcc&r1=1.15&r2=1.16 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libjava/include/jvm.h.diff?cvsroot=gcc&r1=1.87&r2=1.88 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/java/ChangeLog.diff?cvsroot=gcc&r1=1.1629&r2=1.1630 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/java/class.c.diff?cvsroot=gcc&r1=1.232&r2=1.233 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/java/decl.c.diff?cvsroot=gcc&r1=1.223&r2=1.224 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/java/java-tree.h.diff?cvsroot=gcc&r1=1.236&r2=1.237 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21906 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libgcj/21906] hang when invoking abstract method 2005-06-04 6:11 [Bug libgcj/21906] New: hang when invoking abstract method tromey at gcc dot gnu dot org ` (3 preceding siblings ...) 2005-06-15 19:11 ` cvs-commit at gcc dot gnu dot org @ 2005-06-15 19:12 ` tromey at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: tromey at gcc dot gnu dot org @ 2005-06-15 19:12 UTC (permalink / raw) To: java-prs ------- Additional Comments From tromey at gcc dot gnu dot org 2005-06-15 19:12 ------- I checked in a fix. -- What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED Target Milestone|--- |4.1.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21906 ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2005-06-15 19:12 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2005-06-04 6:11 [Bug libgcj/21906] New: hang when invoking abstract method tromey at gcc dot gnu dot org 2005-06-04 6:13 ` [Bug libgcj/21906] " tromey at gcc dot gnu dot org 2005-06-04 6:13 ` tromey at gcc dot gnu dot org 2005-06-14 20:26 ` tromey at gcc dot gnu dot org 2005-06-15 19:11 ` cvs-commit at gcc dot gnu dot org 2005-06-15 19:12 ` tromey at gcc dot gnu dot org
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