[LinuxBIOS] support PIC and prototypes
rminnich at gmail.com
Wed Aug 29 23:36:31 CEST 2007
Here is a proposal for supporting pic etc. without too much hardship.
we create a file, include/lib.h, and move all prototypes to that file.
That file is included by non-pic code, and has declarations like this:
int printk(int level, char *format, ...);
We create another file, call libpic.h, and it looks like this:
int (*printk)(int level, char *format, ...) = stage0printk;
PIC programs include libpic.h. non-PIC programs include lib.h.
At build time, for PIC programs, we use that little trick I showed
earlier to create a stag0_pic.o with symbols renamed, e.g. printk
non-PIC programs (e.g. stage2) link against stage0.o as they do now.
PIC programs link against stage0_pic.o.
This will work; is it acceptable?
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