public inbox for java-prs@sourceware.org
help / color / mirror / Atom feed
From: "jojelino at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: java-prs@gcc.gnu.org
Subject: [Bug libgcj/50053] [4.7 regression] SIGSEGV in natClass.cc:651
Date: Fri, 12 Aug 2011 11:45:00 -0000 [thread overview]
Message-ID: <bug-50053-8172-PJAVu9ZkBW@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-50053-8172@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50053
--- Comment #3 from gee <jojelino at gmail dot com> 2011-08-12 11:44:58 UTC ---
using only '-fno-ipa-sra -fno-ipa-cp' didn't work too.
Reading symbols from /usr/i686-pc-mingw32/java/bin/i686-pc-mingw32-gij...done.
(gdb) r
Starting program: /usr/i686-pc-mingw32/java/bin/i686-pc-mingw32-gij -cp .
foobar --verbose
[New Thread 9260.0x2b18]
[New Thread 9260.0x3634]
Program received signal SIGSEGV, Segmentation fault.
0x6a45d594 in java::lang::Class::isPrimitive (this=0x1)
at ../.././libjava/java/lang/Class.h:428
428 return vtable == JV_PRIMITIVE_VTABLE;
(gdb) bt
#0 0x6a45d594 in java::lang::Class::isPrimitive (this=0x1)
at ../.././libjava/java/lang/Class.h:428
#1 0x696ca56f in java::lang::Class::newInstance (this=0x1)
at ../.././libjava/java/lang/natClass.cc:651
#2 0x6a432d37 in ffi_call_win32 () at ../.././libffi/src/x86/win32.S:424
#3 0x6a432d13 in ffi_raw_call (cif=0xbf0a0c,
fn=0x696ca546 <java::lang::Class::newInstance()>, rvalue=0x22e8c4,
fake_avalue=0x22e5a0) at ../.././libffi/src/x86/ffi.c:647
#4 0x696a351f in _Jv_InterpMethod::run (retp=0x22f104, args=0x22f124,
meth=0xe12f60) at ../.././libjava/interpret-run.cc:611
#5 0x696a2251 in _Jv_InterpMethod::run_normal (ret=0x22f104, args=0x22f124,
__this=0xe12f60) at ../.././libjava/interpret.cc:358
#6 0x6a432ee5 in ffi_closure_raw_SYSV () at ../.././libffi/src/x86/win32.S:695
#7 0x6a432d37 in ffi_call_win32 () at ../.././libffi/src/x86/win32.S:424
#8 0x6a432d13 in ffi_raw_call (cif=0xbf0b24, fn=0xe30098, rvalue=0x22f4e0,
fake_avalue=0x22f1c0) at ../.././libffi/src/x86/ffi.c:647
#9 0x696a351f in _Jv_InterpMethod::run (retp=0x22fd20, args=0x22fd40,
meth=0xab8e60) at ../.././libjava/interpret-run.cc:611
#10 0x696a237a in _Jv_InterpMethod::run_class (ret=0x22fd20, args=0x22fd40,
__this=0xab8e60) at ../.././libjava/interpret.cc:407
#11 0x6a432ee5 in ffi_closure_raw_SYSV () at ../.././libffi/src/x86/win32.S:695
#12 0x696c282c in gnu::java::lang::MainThread::call_main (this=0xbfdf60)
at ../.././libjava/gnu/java/lang/natMainThread.cc:54
---Type <return> to continue, or q <return> to quit---
#13 0x6973c37d in gnu.java.lang.MainThread.run()void (this=@bfdf60)
at /tmp/gcc/libjava/gnu/java/lang/MainThread.java:106
#14 0x696d4d4d in _Jv_ThreadRun (thread=0xbfdf60)
at ../.././libjava/java/lang/natThread.cc:335
#15 0x69684e9b in _Jv_RunMain (vm_args=0x22fef4, klass=0x0,
name=0x3d8925 "foobar", argc=0x2, argv=0x3d89fc, is_jar=0x0)
at ../.././libjava/prims.cc:1789
#16 0x66bc24b0 in _fu0___ZN3gcj13verifyClassesE ()
at ../.././libjava/gij.cc:333
#17 0x004010fd in __mingw_CRTStartup () at ../../.././winsup/mingw/crt1.c:244
#18 0x00000408 in ?? ()
#19 0x7ffda000 in ?? ()
#20 0x00000000 in ?? ()
(gdb) Quit
(gdb) down
Bottom (innermost) frame selected; you cannot go down.
(gdb)
Bottom (innermost) frame selected; you cannot go down.
(gdb)
Bottom (innermost) frame selected; you cannot go down.
(gdb)
Bottom (innermost) frame selected; you cannot go down.
(gdb)
Bottom (innermost) frame selected; you cannot go down.
(gdb)
Bottom (innermost) frame selected; you cannot go down.
(gdb)
Bottom (innermost) frame selected; you cannot go down.
(gdb)
Bottom (innermost) frame selected; you cannot go down.
(gdb)
Bottom (innermost) frame selected; you cannot go down.
(gdb) print vtable
Cannot access memory at address 0x35
(gdb) print this
$1 = (java::lang::Class * const) 0x1
(gdb) i r
eax 0x1 0x1
ecx 0x1 0x1
edx 0x0 0x0
ebx 0x696ca546 0x696ca546
esp 0x22e4a8 0x22e4a8
ebp 0x22e4c0 0x22e4c0
esi 0xe300bc 0xe300bc
edi 0x22e5a4 0x22e5a4
eip 0x6a45d594 0x6a45d594
<java::lang::Class::isPrimitive()+12>
eflags 0x10212 [ AF IF RF ]
cs 0x1b 0x1b
ss 0x23 0x23
ds 0x23 0x23
es 0x23 0x23
fs 0x3b 0x3b
gs 0x0 0x0
(gdb) disass
Dump of assembler code for function java::lang::Class::isPrimitive():
0x6a45d588 <+0>: push %ebp
0x6a45d589 <+1>: mov %esp,%ebp
0x6a45d58b <+3>: sub $0x18,%esp
0x6a45d58e <+6>: mov %ecx,-0xc(%ebp)
0x6a45d591 <+9>: mov -0xc(%ebp),%eax
=> 0x6a45d594 <+12>: mov 0x34(%eax),%eax
0x6a45d597 <+15>: cmp $0xffffffff,%eax
0x6a45d59a <+18>: sete %al
0x6a45d59d <+21>: leave
0x6a45d59e <+22>: ret
End of assembler dump.
(gdb) up
#1 0x696ca56f in java::lang::Class::newInstance (this=0x1)
at ../.././libjava/java/lang/natClass.cc:651
651 if (isPrimitive ()
(gdb) disass
Dump of assembler code for function java::lang::Class::newInstance():
0x696ca546 <+0>: push %ebp
0x696ca547 <+1>: mov %esp,%ebp
0x696ca549 <+3>: push %esi
0x696ca54a <+4>: push %ebx
0x696ca54b <+5>: sub $0x30,%esp
0x696ca54e <+8>: mov %ecx,-0x1c(%ebp)
0x696ca551 <+11>: mov -0x1c(%ebp),%eax
0x696ca554 <+14>: movl $0x0,(%esp)
0x696ca55b <+21>: mov %eax,%ecx
0x696ca55d <+23>: call 0x696e0e14
<java.lang.Class.memberAccessCheck(int)void>
0x696ca562 <+28>: sub $0x4,%esp
0x696ca565 <+31>: mov -0x1c(%ebp),%eax
0x696ca568 <+34>: mov %eax,%ecx
0x696ca56a <+36>: call 0x6a45d588 <java::lang::Class::isPrimitive()>
=> 0x696ca56f <+41>: test %al,%al
0x696ca571 <+43>: jne 0x696ca5a5 <java::lang::Class::newInstance()+95>
0x696ca573 <+45>: mov -0x1c(%ebp),%eax
0x696ca576 <+48>: mov %eax,%ecx
0x696ca578 <+50>: call 0x6a45d568 <java::lang::Class::isInterface()>
0x696ca57d <+55>: test %al,%al
0x696ca57f <+57>: jne 0x696ca5a5 <java::lang::Class::newInstance()+95>
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb)
next prev parent reply other threads:[~2011-08-12 11:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-12 7:58 [Bug libgcj/50053] New: " jojelino at gmail dot com
2011-08-12 8:28 ` [Bug libgcj/50053] " rguenth at gcc dot gnu.org
2011-08-12 8:29 ` rguenth at gcc dot gnu.org
2011-08-12 9:00 ` jojelino at gmail dot com
2011-08-12 11:45 ` jojelino at gmail dot com [this message]
2011-10-10 12:16 ` rguenth at gcc dot gnu.org
2011-10-22 19:33 ` jojelino at gmail dot com
2011-10-23 13:43 ` jojelino at gmail dot com
2011-12-08 19:13 ` [Bug libgcj/50053] [4.7 regression] jc1 doesn't emit static initializer or initializer code for super class without -findirect-dispatch jojelino at gmail dot com
2011-12-08 19:16 ` jojelino at gmail dot com
2011-12-09 21:27 ` ktietz at gcc dot gnu.org
2011-12-12 10:41 ` ktietz at gcc dot gnu.org
2011-12-12 10:42 ` ktietz at gcc dot gnu.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-50053-8172-PJAVu9ZkBW@http.gcc.gnu.org/bugzilla/ \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=java-prs@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).