[asan] Try different values of the shadow gap start.
authorEvgeniy Stepanov <eugeni.stepanov@gmail.com>
Fri, 7 Aug 2015 22:38:44 +0000 (22:38 +0000)
committerEvgeniy Stepanov <eugeni.stepanov@gmail.com>
Fri, 7 Aug 2015 22:38:44 +0000 (22:38 +0000)
commitaa91588b6cdd73ae64ab0687a0c26b3358f03320
tree6ad88da0fd0a97f6d7700a770776054e46edb838
parent27aae88d76cb374fc081564fce94098ae2230643
[asan] Try different values of the shadow gap start.

The number of unaccessible pages at the beginning of the address
space can differ between processes on the same machine. Try different
values at runtime to protect as much memory as possible.

llvm-svn: 244364
compiler-rt/lib/asan/asan_mapping.h
compiler-rt/lib/asan/asan_rtl.cc