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Date: Wed, 28 May 2008 12:47:44 -0700
From: Brian Dessent <brian AT dessent DOT net>
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To: Mike Marchywka <marchywka AT hotmail DOT com>
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Subject: Re: MS or cygwin dll debug tools/ was  "sys/sockio.h" etc.
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Mike Marchywka wrote:

> (gdb) b *0x0401000
> Breakpoint 1 at 0x401000
> (gdb) run
> Starting program: /cygdrive/e/new/temp/nmap/src3/nmap-4.62/a.exe
> 
> Program received signal SIGSEGV, Segmentation fault.
> 
> Program received signal SIGSEGV, Segmentation fault.
> 
> Program received signal SIGSEGV, Segmentation fault.
> 
> Program exited with code 0200.
> You can't do that without a process to debug.
> (gdb)

The fact that it never actually begins execution therefore implies that
it encounters a fault by the OS loader during process initialization,
such as the "const data in .rdata needing relocation due to
auto-imports" situation.  I bet that if you invoke it via strace or from
a native command prompt (not bash) you will see a dialog box explaining
the fault since the "SetErrorMode (SEM_FAILCRITICALERRORS)" stuff won't
be active.

Brian

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