------- Additional Comments From dave at hiauly1 dot hia dot nrc dot ca
2005-08-23 03:10 -------
Subject: Re: FAIL: PR218
I think this bug is probably a target issue. The unwind process gets
stuck after unwinding through the signal handler:
(gdb) c
Continuing.
Breakpoint 1, _Jv_StackTrace::UnwindTraceFn (context=0xc00b59c8,
state_ptr=0xc00b5108) at ../../../gcc/libjava/stacktrace.cc:120
120 if ((void (*)(void)) func_addr == (void (*)(void))
&_Jv_InterpMethod::run)
(gdb) p (void (*)(void)) func_addr
$9 = (void (*)(void)) 0x4130595c
<java.lang.NullPointerException.NullPointerException()>
(gdb) c
Continuing.
Breakpoint 1, _Jv_StackTrace::UnwindTraceFn (context=0xc00b59c8,
state_ptr=0xc00b5108) at ../../../gcc/libjava/stacktrace.cc:120
120 if ((void (*)(void)) func_addr == (void (*)(void))
&_Jv_InterpMethod::run)
(gdb) p (void (*)(void)) func_addr
$10 = (void (*)(void)) 0x4107a69c <_Jv_catch_segv>
(gdb) c
Continuing.
Breakpoint 1, _Jv_StackTrace::UnwindTraceFn (context=0xc00b59c8,
state_ptr=0xc00b5108) at ../../../gcc/libjava/stacktrace.cc:120
120 if ((void (*)(void)) func_addr == (void (*)(void))
&_Jv_InterpMethod::run)
(gdb) p (void (*)(void)) func_addr
$11 = (void (*)(void)) 0x4107a69c <_Jv_catch_segv>
(gdb) c
Continuing.
Breakpoint 1, _Jv_StackTrace::UnwindTraceFn (context=0xc00b59c8,
state_ptr=0xc00b5108) at ../../../gcc/libjava/stacktrace.cc:120
120 if ((void (*)(void)) func_addr == (void (*)(void))
&_Jv_InterpMethod::run)
(gdb) p (void (*)(void)) func_addr
$12 = (void (*)(void)) 0x10ca4 <PR218.foo(PR218)>
(gdb) c
Continuing.
Breakpoint 1, _Jv_StackTrace::UnwindTraceFn (context=0xc00b59c8,
state_ptr=0xc00b5108) at ../../../gcc/libjava/stacktrace.cc:120
120 if ((void (*)(void)) func_addr == (void (*)(void))
&_Jv_InterpMethod::run)
(gdb) p (void (*)(void)) func_addr
$13 = (void (*)(void)) 0x10ca4 <PR218.foo(PR218)>
(gdb) c
Continuing.
Breakpoint 1, _Jv_StackTrace::UnwindTraceFn (context=0xc00b59c8,
state_ptr=0xc00b5108) at ../../../gcc/libjava/stacktrace.cc:120
120 if ((void (*)(void)) func_addr == (void (*)(void))
&_Jv_InterpMethod::run)
(gdb) p (void (*)(void)) func_addr
$14 = (void (*)(void)) 0x10ca4 <PR218.foo(PR218)>
(gdb) c
ContinuingBreakpoint 1, _Jv_StackTrace::UnwindTraceFn (context=0xc00b59c8,
state_ptr=0xc00b5108) at ../../../gcc/libjava/stacktrace.cc:120
120 if ((void (*)(void)) func_addr == (void (*)(void))
&_Jv_InterpMethod::run)
(gdb) p (void (*)(void)) func_addr
tackTrace::UnwindTraceFn (context=0xc00b59c8, state_ptr=0xc00b5108)
at ../../../gcc/libjava/stacktrace.cc:120
#1 0x4072760c in _Unwind_Backtrace (
[EMAIL PROTECTED]: 0x4108d894
<_Jv_StackTrace::UnwindTraceFn(_Unwind_Context*, void*)>,
trace_argument=0xc00b5108) at unwind.inc:298
#2 0x4108d818 in _Jv_StackTrace::GetStackTrace ()
at ../../../gcc/libjava/stacktrace.cc:159
#3 0x410c27c4 in java::lang::VMThrowable::fillInStackTrace ()
at ../../../gcc/libjava/java/lang/natVMThrowable.cc:33
#4 0x41305604 in java.lang.Throwable.fillInStackTrace() (this=0x40088828)
at Throwable.java:498
#5 0x413056f8 in java.lang.Throwable.Throwable(java.lang.String) (
this=0x40088828, message=0x0) at Throwable.java:159
#6 0x413058e0 in java.lang.Throwable.Throwable() (this=Variable "this" is not
available.
) at Throwable.java:146
#7 0x413058fc in java.lang.Exception.Exception() (this=Variable "this" is not
available.
) at Exception.java:67
#8 0x41305918 in java.lang.RuntimeException.RuntimeException() (this=Variable
"this" is not available.
)
at RuntimeException.java:65
#9 0x4130596c in java.lang.NullPointerException.NullPointerException()
(this=Variable "this" is not available.
)
at NullPointerException.java:70
#10 0x4107a6f8 in _Jv_catch_segv (_dummy=Variable "_dummy" is not available.
) at ../../../gcc/libjava/prims.cc:151
#11 <signal handler called>
#12 0x00010ca8 in PR218.foo(PR218) (this=0x40083ef8, e=0x0)
at Throwable.java:22
#13 0x00010c48 in PR218.main(java.lang.String[]) (args=Variable "args" is not
available.
) at PR218.java:12
#14 0x410af41c in gnu::java::lang::MainThread::call_main (this=0x4009cf18)
at ../../../gcc/libjava/gnu/java/lang/natMainThread.cc:47
#15 0x410c1df4 in _Jv_ThreadRun (thread=0x4009cf18)
at ../../../gcc/libjava/java/lang/natThread.cc:296
#16 0x4107b878 in _Jv_RunMain (vm_args=Variable "vm_args" is not available.
) at ../../../gcc/libjava/prims.cc:1386
#17 0x4107ba4c in _Jv_RunMain (klass=Variable "klass" is not available.
) at ../../../gcc/libjava/prims.cc:1397
#18 0x4107ba78 in JvRunMain (klass=Variable "klass" is not available.
) at ../../../gcc/libjava/prims.cc:1403
#19 0x4210c51c in __libc_start_main () from /lib/libc.so.6
#20 0x00010ae8 in _start () at ../sysdeps/hppa/elf/start.S:67
Dave
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23508
