[EMAIL PROTECTED] wrote:
Hello,
We are currently porting our C/C++ code base to 64-bit. So, we need
our in-house perl extensions to play nice. We currently use a 32-bit
version of perl. I am wondering if I should do the address space
mapping (lots of memcpy() and malloc32()) in our .XS files or if I
should build a 64-bit perl (likely 5.8.7). I've tried googling for
64-bit perl info but haven't turned up much.
Is there some sort of space constraint that is forcing this conversion
for your XS modules?
Are you linking against or dynamically loading Perl shared images?
Perl on OpenVMS can be compiled to use 64 bit integers and off_t values
with out using 64 bit pointers. I have been building it with 64 bit
off_t values.
It can also be compiled to use 64 bit pointers. I have not tried that
option my self. When using 64 bit pointers, it appears to still use
routines that return pointers in the same range as for 32 bit pointers.
If you need to use pointers to the larger 64 bit address space, then it
may take some work to adapt Perl on OpenVMS to make sure that everything
can handle those pointers.
Blead-Perl - the current unstable development stream has quite a number
of enhancements to the OpenVMS code base. I have been concentrating on
improving the UNIX <=> VMS filename translations to handle EFS
characters on ODS-5 volumes, including some support for Unicode filenames.
Blead-Perl now supports filenames as long as OpenVMS does, and it has
better support for the EFS character set. There still is a lot to do to
add full support of the EFS character set through out the Perl library,
as a number of perl scripts and extensions are hardwired to assume
historical OpenVMS/VAX limitations.
I also have a side built Perl 5.8.7 that has has improved support for
the EFS character set, which gives a road map as how to fix the rest of
blead-perl. That version does not support pathnames larger than 255
characters.
The side built Perl 5.8.7 for OpenVMS will handle many Perl scripts that
are written only to run on UNIX systems, and produce the expected output.
My working on improving Perl on OpenVMS has been significantly slowed
because as noted below, I am in a job hunt.
-John
[EMAIL PROTECTED]
Personal Opinion Only
--
Need a senior system engineer? I am looking for employment.
http://encompasserve.org/~malmberg/MALMBERG_CS1_RESUME.TXT
