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Message-ID: <5313796F.7040109@cornell.edu>
Date: Sun, 02 Mar 2014 13:33:19 -0500
From: Ken Brown <kbrown AT cornell DOT edu>
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To: cygwin AT cygwin DOT com
Subject: Re: Building libsigsegv on Cygwin64
References: <530771A3 DOT 7000603 AT alice DOT it> <53136870 DOT 200 AT cornell DOT edu>
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On 3/2/2014 12:20 PM, Ken Brown wrote:
> On 2/21/2014 10:32 AM, Angelo Graziosi wrote:
>> Trying to build libsigsegv-2.10 on Cygwin64 (using the src tarball and
>> its .cygport file from x86 distribution), fails as follows
>>
>> [...]
>> libtool: compile:  gcc -DHAVE_CONFIG_H -I.
>> -I/works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src -I.. -I.
>> -I/works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src -ggdb -O2 -pipe
>> -Wimplicit-function-declaration
>> -fdebug-prefix-map=/works/tmp/libsigsegv-2.10-1/build=/usr/src/debug/libsigsegv-2.10-1
>>
>> -fdebug-prefix-map=/works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10=/usr/src/debug/libsigsegv-2.10-1
>>
>> -c /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler.c
>> -DDLL_EXPORT -DPIC -o .libs/handler.o
>> In file included from
>> /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler.c:20:0:
>> /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler-win32.c: In
>> function 'main_exception_filter':
>> /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler-win32.c:218:43:
>>
>> error: 'struct _CONTEXT' has no member named 'Esp'
>>                 ExceptionInfo->ContextRecord->Esp = new_safe_esp;
>>                                             ^
>> /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler-win32.c:220:43:
>>
>> error: 'struct _CONTEXT' has no member named 'Eip'
>>                 ExceptionInfo->ContextRecord->Eip = (unsigned
>> long)&stack_overflow_handler;
>>                                             ^
>> Makefile:399: set di istruzioni per l'obiettivo "handler.lo" non riuscito
>> make[1]: *** [handler.lo] Errore 1
>> make[1]: uscita dalla directory "/works/tmp/libsigsegv-2.10-1/build/src"
>> Makefile:344: set di istruzioni per l'obiettivo "install-recursive" non
>> riuscito
>> make: *** [install-recursive] Errore 1
>>
>> Since my Cygwin64 is a fesh installation, I wonder if I missed to
>> installe some needed packages... or is that error to be expected on
>> Cygwin64?
>
> I found the problem (or at least I found *a* problem):  There's a

Sorry, this is obviously not *the* problem.  The problem I found needs 
to be addressed, but the problem Angelo encountered is exactly what 
Corinna said: The code in handler-win32.c needs to be extended to work 
in the x86_64 case, as is done on other platforms in handler-unix.c.

Ken

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