Re: newlib and h8300s

[Jeff Johnston <jjohnstn at redhat dot com>]

George Gallant wrote:
> I have built newlib-1.14.0 on both Linux and cygwin. Both cases seem
> identical. The problem I am facing is that some of the memxxx and strxxx
> functions are built using the registers er0-er2 while others are using the
> stack. libc.a contains a mixture.
>
> George

George,

  You'll have to elaborate more.  This is a problem because...?  How 
are you configuring?

  By default, there are generic C implementations of the ANSI string 
functions found in libc/string.  A platform can override these routines 
(and other ANSI functions) with specialized versions which can be 
written in assembler or C.  These routines are placed in the 
machine-specific or system-specific directores and must have the same 
name as the generic copies so that they form the same object name when 
compiled as the generic C versions (e.g. memset.S or memset.c).  At 
build time, object files are gathered from the machine and sys 
directories and they end up overwriting the objects created in the 
various generic directories.  In the case of h8300, the machine 
directory is libc/machine/h8300.  There you will find a few of the 
string routines.  If you need more, feel free to add.  If those 
implementations should not be built under your configurations, then we 
can deal with that as well.

-- Jeff J.