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Commit Graph

3 Commits

Author SHA1 Message Date
Ludwig Ortmann
bea563d1da Fix a few cppcheck findings 2014-07-25 08:17:06 +02:00
René Kijewski
abdb3ef2a4 x86: add read-before-write check at runtime
Finding read-before-writes statically is quite difficult. In native we
can use valgrind, but on boards without an MMU we are out of luck.

x86 has an MMU, let's use it.

If `-DDEBUG_READ_BEFORE_WRITE` was set, then pages on the heap get
initialized upon first use. If the page was read before written, then a
debug message with the virtual and physical address of the memory
location is printed, as well as the address of the offending instruction.
2014-05-31 19:45:19 +02:00
René Kijewski
4e4f908379 Initial import of the x86 port
Currently this works only in qemu.
2014-05-25 13:40:29 +02:00