[chuck-users] Anyone else running ChucK dual-core in 64-bit mode?
ken at restivo.org
Mon Apr 30 16:43:14 EDT 2007
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On Sun, Apr 29, 2007 at 01:40:16PM -0700, Mark Pauley wrote:
> Not sure about linux, but I know that for darwin linking of 32 bit
> binaries to 64 bit binaries is impossible. In the best case, you will
> have to do all sorts of tricks at the kernel level to allow 64 bit
> code (with pointers possibly way way up in the address space) to run
> in 32 bit mode.
> Your particular seg-fault issue may be related to an invalid alignment
> problem. If your OBJ_MEMBER_DATA macro evaluates to a value that
> isn't a multiple of the unsigned long size (8 bytes), then
> OBJ_MEMBER_UINT could effectively be causing an invalid instruction to
> be generated.
> You could add a check to make sure that the value OBJ_MEMBER_DATA
> returns in OBJ_MEMBER_UINT is a multiple of 8.
Instead, I'm going to build libjack and its dependencies (libFLAC and libsoundfile) as a bi-arch, installing the 32-bit versions in /usr/lib32 and the 64-bit versions in /usr/lib64, per the Debian standard. Then I'll try building ChucK with -m32 and it should link properly (I hope) and run correctly (again, I hope).
I'll be back after I've done that, to report success or to ask for further help if needed. Probably looking at next week by the time I get that far.
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