[PATCH] D13736: [sanitizer] Enable ptrace sanitizer for arm

[Adhemerval Zanella via llvm-commits]

zatrazz created this revision.
zatrazz added reviewers: kcc, pcc, rengolin, eugenis, samsonov.
zatrazz added a subscriber: llvm-commits.
Herald added subscribers: rengolin, aemerson.

This patch enables the ptrace syscall interceptors for arm and adds support
for both PTRACE_GETVFPREGS and PTRACE_SETVFPREGS used to get the VFP register
from ARM.

The ptrace tests is also updated with arm and PTRACE_GETVFPREGS tests.

http://reviews.llvm.org/D13736

Files:
  lib/sanitizer_common/sanitizer_common_interceptors.inc
  lib/sanitizer_common/sanitizer_platform_interceptors.h
  lib/sanitizer_common/sanitizer_platform_limits_posix.cc
  lib/sanitizer_common/sanitizer_platform_limits_posix.h
  test/sanitizer_common/TestCases/Linux/ptrace.cc

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