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From: "W.Wesley Groleau (Wes)" <wwgrol@PSESERV3.FW.HAC.COM>
Subject: another alsys 5.5.2A question
Date: 1996/05/23
Message-ID: <9605232157.AA14385@most>#1/1
X-Deja-AN: 156385705
sender: Ada programming language <INFO-ADA@LISTSERV.NODAK.EDU>
comments: To: info-ada@VM1.NoDak.EDU
mailer: Elm [revision: 70.85]
newsgroups: comp.lang.ada
Date: 1996-05-23T00:00:00+00:00
List-Id: <comp.lang.ada>


With the Alsys 5.5.2A run-time system, on HP-UX RISC boxes (series 700)
 I am observing the following:

First, Probe says we're stopped at "unhandled <exception_name>"  (NOT
constraint_error).  source view confirms.


Second, "Continue" causes stdout out to get:

RUNTIME SYSTEM ERROR IN EXCEPTION HANDLING: Attempting traceback:

Handled exception traceback.

Exception raised : CONSTRAINT_ERROR
The exception was due to the following error: RANGE_ERROR

--------------- Stack trace of normal exception propagation -------------------

Compilation unit name        Scope name                Scope kind   Line number

ALSYS_ADA_RUNTIME.EXCEPTI    RAISE_FROM_RUNTIME        SUBPROGRAM         2908
ON_MANAGER.RAISE_FROM_RUN
TIME
     (the above from original line   2513 of inlined or instantiated unit)
ALSYS_ADA_RUNTIME.EXCEPTI    RAISE_EXCEPTION           SUBPROGRAM         2650
ON_MANAGER
Handler found at the following location:
Resuming Execution
SYSTEM_ERROR: Error during unwind of stack frames.
Program aborted.


Third (or tied for second), Probe says:

Terminated with exit status 137
After continue: Your program has terminated its execution


QUESTIONS FOR THOSE WHO KNOW:

Is the "Program aborted" due to the system error or due to the user not
having a handler?

Would the same thing happen if tracebacks were turned off at link time?

Would the system error occur if the user's exception were
explicitly handled?

Would the system error occur if the user's exception were
"others" handled?

Is it possible that the two steps above are unrelated, even though they
happen in such rapid sequence?

Anyone willing and able to LEGALLY show me lines 2900-2920 of
ALSYS_ADA_RUNTIME.EXCEPTION_MANAGER.RAISE_FROM_RUNTIME ?

(Note: It SEEMS - not sure - to happen without Probe and when the main
 program DOES have an others handler.)

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