Author: fjricci Date: Wed May 3 10:00:04 2017 New Revision: 302027 URL: http://llvm.org/viewvc/llvm-project?rev=302027&view=rev Log: 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 Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/main.cpp lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/main.cpp Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/main.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/main.cpp?rev=302027&r1=302026&r2=302027&view=diff ============================================================================== --- lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/main.cpp (original) +++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/main.cpp Wed May 3 10:00:04 2017 @@ -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; Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/main.cpp URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/main.cpp?rev=302027&r1=302026&r2=302027&view=diff ============================================================================== --- lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/main.cpp (original) +++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/register/intel_xtended_registers/mpx_bound_violation/main.cpp Wed May 3 10:00:04 2017 @@ -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; _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
