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| author | Francis Ricci <francisjricci@gmail.com> | 2017-05-03 15:00:04 +0000 |
|---|---|---|
| committer | Francis Ricci <francisjricci@gmail.com> | 2017-05-03 15:00:04 +0000 |
| commit | decd2d770112f61c95cf1b12b29f817d6a4ddd97 (patch) | |
| tree | 3d515ca09799bc1cd9b8fd021f9337034432dde1 /lldb/packages/Python | |
| parent | d6f39ddc2649563dd6316ef0396c7e814b90371d (diff) | |
| download | bcm5719-llvm-decd2d770112f61c95cf1b12b29f817d6a4ddd97.tar.gz bcm5719-llvm-decd2d770112f61c95cf1b12b29f817d6a4ddd97.zip | |
Don't attempt to use mpx registers on unsupported platforms
Summary:
The existing cpp-level checks using PR_MPX_ENABLE_MANAGEMENT aren't sufficient,
as this isn't defined for linux kernel versions below 3.19.
Reviewers: valentinagiusti, zturner, labath
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D32719
llvm-svn: 302027
Diffstat (limited to 'lldb/packages/Python')
2 files changed, 10 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/main.cpp b/lldb/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/main.cpp index d9adb550023..3e528d281ee 100644 --- a/lldb/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/main.cpp +++ b/lldb/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/main.cpp @@ -14,6 +14,11 @@ int main(int argc, char const *argv[]) { +// PR_MPX_ENABLE_MANAGEMENT won't be defined on linux kernel versions below 3.19 +#ifndef PR_MPX_ENABLE_MANAGEMENT + return -1; +#endif + // This call returns 0 only if the CPU and the kernel support Intel(R) MPX. if (prctl(PR_MPX_ENABLE_MANAGEMENT, 0, 0, 0, 0) != 0) return -1; diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/main.cpp b/lldb/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/main.cpp index 9c445aa8a27..b78eb9e5a2a 100644 --- a/lldb/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/main.cpp +++ b/lldb/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/main.cpp @@ -29,6 +29,11 @@ main(int argc, char const *argv[]) unsigned int rax, rbx, rcx, rdx; int array[5]; +// PR_MPX_ENABLE_MANAGEMENT won't be defined on linux kernel versions below 3.19 +#ifndef PR_MPX_ENABLE_MANAGEMENT + return -1; +#endif + // This call returns 0 only if the CPU and the kernel support Intel(R) MPX. if (prctl(PR_MPX_ENABLE_MANAGEMENT, 0, 0, 0, 0) != 0) return -1; |
