From 82302f1e05d6daed93bdd77e8951b529b0ebfcf6 Mon Sep 17 00:00:00 2001 From: Abseil Team Date: Tue, 28 Jul 2020 14:05:57 -0700 Subject: Export of internal Abseil changes -- 41ac0d9b32618a1df717984afcb808858089bda7 by Derek Mauro : Removes usages of deprecated RunningOnValgrind PiperOrigin-RevId: 323649256 -- 5453d131af475b434dcd86ab326e4a2cf780857f by Abseil Team : Internal change. PiperOrigin-RevId: 323630307 GitOrigin-RevId: 41ac0d9b32618a1df717984afcb808858089bda7 Change-Id: I523016e0ecdb8d141aa069ad2846f5e4abbe014c --- absl/debugging/internal/vdso_support.cc | 9 --------- 1 file changed, 9 deletions(-) (limited to 'absl/debugging/internal/vdso_support.cc') diff --git a/absl/debugging/internal/vdso_support.cc b/absl/debugging/internal/vdso_support.cc index 19deb3cf..6be16d90 100644 --- a/absl/debugging/internal/vdso_support.cc +++ b/absl/debugging/internal/vdso_support.cc @@ -76,15 +76,6 @@ const void *VDSOSupport::Init() { } #endif // __GLIBC_PREREQ(2, 16) if (vdso_base_.load(std::memory_order_relaxed) == kInvalidBase) { - // Valgrind zaps AT_SYSINFO_EHDR and friends from the auxv[] - // on stack, and so glibc works as if VDSO was not present. - // But going directly to kernel via /proc/self/auxv below bypasses - // Valgrind zapping. So we check for Valgrind separately. - if (RunningOnValgrind()) { - vdso_base_.store(nullptr, std::memory_order_relaxed); - getcpu_fn_.store(&GetCPUViaSyscall, std::memory_order_relaxed); - return nullptr; - } int fd = open("/proc/self/auxv", O_RDONLY); if (fd == -1) { // Kernel too old to have a VDSO. -- cgit v1.2.3