[Bug libgcj/23508] FAIL: PR218

[dave at hiauly1 dot hia dot nrc dot ca]

------- 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 (
    trace=@0x40243386: 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


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23508