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[compiler-rt] Implement getrandom interception
authorVitaly Buka <vitalybuka@google.com>
Tue, 6 Aug 2019 08:41:53 +0000 (08:41 +0000)
committerVitaly Buka <vitalybuka@google.com>
Tue, 6 Aug 2019 08:41:53 +0000 (08:41 +0000)
commitac9ee01fcbfac745aaedca0393a8e1c8a33acd8d
tree5875b4f3dc40ab82c40a67c1dab8645d554d1f4ftree | snapshot
parentdba4dd1e8da4c168a4dacb47099132f0bad925f4commit | diff
[compiler-rt] Implement getrandom interception

Summary:
Straightforward implementation of `getrandom` syscall and libc
hooks.

Test Plan: Local MSAN failures caused by uninstrumented `getrandom`
calls stop failing.

Patch by Andrew Krieger.

Reviewers: eugenis, vitalybuka

Reviewed By: vitalybuka

Subscribers: srhines, kubamracek, dberris, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D65551

llvm-svn: 367999
compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc diff | blob | history
compiler-rt/lib/sanitizer_common/sanitizer_common_syscalls.inc diff | blob | history
compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h diff | blob | history
compiler-rt/test/sanitizer_common/TestCases/Linux/getrandom.cpp [new file with mode: 0644] blob
Domain: System / Toolchain;