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Summary:
Adds GWP-ASan to Scudo standalone. Default parameters are pulled across from the
GWP-ASan build. No backtrace support as of yet.
Reviewers: cryptoad, eugenis, pcc
Reviewed By: cryptoad
Subscribers: merge_guards_bot, mgorny, #sanitizers, llvm-commits, cferris, vlad.tsyrklevich, pcc
Tags: #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D71229
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Summary:
This is a redo of D63612.
Two problems came up on some bots:
- `__builtin_umull_overflow` was not declared. This is likely due to an
older clang or gcc, so add a guard with `__has_builtin` and fallback
to a division in the event the builtin doesn't exist;
- contradicting definition for `malloc`, etc. This is AFAIU due to the
fact that we ended up transitively including `stdlib.h` in the `.inc`
due to it being the flags parser header: so move the include to the
cc instead.
This should fix the issues, but since those didn't come up in my local
tests it's mostly guesswork.
Rest is the same!
Reviewers: morehouse, hctim, eugenis, vitalybuka, dyung, hans
Reviewed By: morehouse, dyung, hans
Subscribers: srhines, mgorny, delcypher, jfb, #sanitizers, llvm-commits
Tags: #llvm, #sanitizers
Differential Revision: https://reviews.llvm.org/D63831
llvm-svn: 364547
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Summary:
As with other Sanitizers, and the current version of Scudo, we can
provide flags in differents way: at compile time, through a weak
function, through an environment variable.
This change adds support for the configuration flags, and the string
parsers. Those are fairly similar to the sanitizer_common way of doing
things.
Reviewers: morehouse, hctim, vitalybuka
Reviewed By: morehouse, vitalybuka
Subscribers: mgorny, delcypher, jdoerfert, #sanitizers, llvm-commits
Tags: #llvm, #sanitizers
Differential Revision: https://reviews.llvm.org/D59597
llvm-svn: 358011
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