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Porting libsanitizer to aarch64
- From: Christophe Lyon <christophe dot lyon at linaro dot org>
- To: gcc at gcc dot gnu dot org
- Date: Tue, 21 May 2013 17:35:45 +0200
- Subject: Porting libsanitizer to aarch64
Hi,
I have been looking at enabling libsanitizer for aarch64 GCC compilers.
To make the build succeed, I had to modify libsanitizer code:
- some syscalls are not available on aarch64 (libsanitizer uses some
legacy ones such as open, readlink, stat, ...)
- unwinding code needs to be added.
What's the way of discussing such patches? On GCC lists or elsewhere?
Then arises a runtime problem: aarch64's frame grows upward which is
not supported: how long would it take to develop this support if at
all possible?
I have not looked at tsan in detail yet, it currently does not build
for aarch64 either.
Thanks,
Christophe.