[fpc-pascal] Why can't 64bit FPC cross-compile 32bit
florian at freepascal.org
Mon Nov 9 16:07:34 CET 2009
Jonas Maebe schrieb:
> On 09 Nov 2009, at 13:49, Graeme Geldenhuys wrote:
>> See the output below. The 32bit Linux FPC can target 32bit & 64bit
>> platforms. But 64bit Linux FPC cannot target 32bit platforms. The later
>> can only cross-compile to other 64bit platforms.
> I guess you mean this:
>> ./ppc386 -i
>> Free Pascal Compiler version 2.2.5
>> Compiler Date : 2009/05/28
>> Compiler CPU Target: i386
>> Supported targets:
>> Linux for x64_6432
> x64_6432 is not the same as x64_64. It means, afaik, a 32 bit binary
> running on a 64 bit Linux system. It probably changes some default
> library search paths or so. The i386 compiler cannot generate x86_64
> binaries. The appropriate code generator is simply not available.
x64_6432 is a special target for a hacked 32 bit mode: it allows to use
the extended register set of x86_64 in 32 bit mode.
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