libffi on i386 Plan9/APE

[Andrew Haley]

On 12/03/2012 05:58 AM, Jens Staal wrote:

> I managed to sort-of build libffi on Plan9 under the ANSI-POSIX ENVIRONMENT.  
> On this OS only a static library can be built.
> 
> The configure choked on a couple of things assuming GNU coreutils-behavior 
> (the command "cut" does not exist, and I needed to sed away a couple of 
> options from ls and mv), so I ended up manually adjusting files that failed to 
> be configured  (so there is lots of room for improvements on my port).
> 
> Two files under x86 (unix.S and sysv.S) are GAS ASM, which is different from 
> Plan9 ASM so they could not be compiled into objects. Are there C variants of 
> those files available?

No, and it's not possible to do so.

> Are those two object files essential for libffi function?

Yes.  They are the core of libffi.  They do the arg passing from
memory to registers and back.

> What are the  relevant tests to do of libffi.a ?

There's a full DejaGNU testsuite provided, run with "make check".

Andrew.