Re: Launching 32- vs 64- bit custom executables
Re: Launching 32- vs 64- bit custom executables
- Subject: Re: Launching 32- vs 64- bit custom executables
- From: Nick Zitzmann <email@hidden>
- Date: Mon, 20 Oct 2008 18:41:18 -0600
On Oct 20, 2008, at 9:25 AM, Jonathan del Strother wrote:
When I have a fat custom executable (eg /Developer/Tools/otest), what
determines whether it launches in 32 or 64 bit? In my case, ⌘⌥R
launches it in 64 bit mode, so testing debug builds of my framework
fails because they're only 32bit. Oddly, debugging the executable
(⌘⌥Y) launches it in 32 bit.
For some reason, the debugger always prefers 32-bit architectures over
64-bit ones. Outside the debugger, though, the architecture launch
order is the preferred launch order of your particular Macintosh[1],
unless you overrode this in your executable's Info.plist file.
Nick Zitzmann
<http://seiryu.home.comcast.net/>
[1] Which are:
All IC2D and Xeon Macs: x86_64, x86, ppc (Rosetta)
All ICS and ICD Macs: x86, ppc (Rosetta)
Power Mac G5 and iMac G5: ppc64, ppc
All other Power Macs: ppc
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