[Bug 1873] Not enough workspace reserved with RTEMS Debug enabled.

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1873

--- Comment #6 from Joel Sherrill <joel.sherrill at oarcorp.com> 2011-08-03 12:18:36 CDT ---
On the heap protection overhead, I have another bit of information.  Changing
the _Configure_From_workspace() macro to use HEAP_BLOCK_HEADER_SIZE which also
accounts for heap protection overhead did not fix it.  I then added 4 to the
formula so an extra 4 bytes is reserved per allocation and hello runs.

#define _Configure_From_workspace(_size) \
  (ssize_t)((_size) + HEAP_BLOCK_HEADER_SIZE + CPU_ALIGNMENT + 4)

Maybe I am missing an alignment factor thrown in when heap protection is turned
on.  Is there an alignment for the block itself and then for ending protection
area?

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