powerpc gen405 linkcmds bug
gene.smith at siemens.com
Thu Oct 14 17:18:02 UTC 2004
It appears that c/src/lib/libbsp/powerpc/gen405/startup/linkcmds contain
a possible error at line 148.
Variable _end is defined at line 141 as the end of .bss (which is also
the start of heap. But a few line latter at line 148 it is redefined (to
the end of stack).
The problem occurs in start/bspstart.c in bsp_pretasking_hook li 135
where heap_size is determined based on _end and _heap_end. It comes out
negative (or very large) since _end (heap_start) is now bigger than
heap_end. Eventually memset is called which never returns or takes a
real long time to return (stuck in loop at memset.c li 84).
Remove li 148 from gen405's linkcmds so _end is not redefined.
This is from the standard rtems-4.6.1 code base.
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