Commit Graph

3 Commits

Author SHA1 Message Date
Alexey Samsonov c200b5c6ea [UBSan] Add missing header that defines SANITIZER_CAN_USE_PREINIT_ARRAY
Otherwise this compile definition was undefined, and .preinit_array
was never used on the platforms that support it.

llvm-svn: 237045
2015-05-11 21:06:49 +00:00
Alexey Samsonov d4273ebbf3 Add missing " at the end of the #error directive.
llvm-svn: 233879
2015-04-02 01:13:43 +00:00
Alexey Samsonov 09dce3b7e5 [UBSan] Embed UBSan into ASan runtime (compiler-rt part).
Summary:
Change the way we use ASan and UBSan together. Instead of keeping two
separate runtimes (libclang_rt.asan and libclang_rt.ubsan), embed UBSan
into ASan and get rid of libclang_rt.ubsan. If UBSan is not supported on
a platform, all UBSan sources are just compiled into dummy empty object
files. UBSan initialization code (e.g. flag parsing) is directly called
from ASan initialization, so we are able to enforce correct
initialization order.

This mirrors the approach we already use for ASan+LSan. This change
doesn't modify the way we use standalone UBSan.

Test Plan: regression test suite

Reviewers: kubabrecka, zaks.anna, rsmith, kcc

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8646

llvm-svn: 233861
2015-04-01 22:42:36 +00:00