[Sanitizer] openbsd does not have sysctlbyname call

Enabling only for FreeBSD.

Reviewers: krytarowski, vitalybuka

Reviewed By: krytarowski

Differential Revision: https://reviews.llvm.org/D53413


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@344876 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 9 insertions, 5 deletions

diff --git a/lib/sanitizer_common/sanitizer_linux.cc b/lib/sanitizer_common/sanitizer_linux.cc
index cd1e46ba9..68eed1a28 100644
--- a/lib/sanitizer_common/sanitizer_linux.cc
+++ b/lib/sanitizer_common/sanitizer_linux.cc
@@ -796,16 +796,13 @@ int internal_sysctl(const int *name, unsigned int namelen, void *oldp,
 #endif
 }
 
+#if SANITIZER_FREEBSD
 int internal_sysctlbyname(const char *sname, void *oldp, uptr *oldlenp,
                           const void *newp, uptr newlen) {
-#if SANITIZER_OPENBSD
-  return sysctlbyname(sname, oldp, (size_t *)oldlenp, (void *)newp,
-                      (size_t)newlen);
-#else
   return sysctlbyname(sname, oldp, (size_t *)oldlenp, newp, (size_t)newlen);
-#endif
 }
 #endif
+#endif
 
 #if SANITIZER_LINUX
 #define SA_RESTORER 0x04000000
diff --git a/lib/sanitizer_common/sanitizer_openbsd.cc b/lib/sanitizer_common/sanitizer_openbsd.cc
index dc955109a..6ff8b0d10 100644
--- a/lib/sanitizer_common/sanitizer_openbsd.cc
+++ b/lib/sanitizer_common/sanitizer_openbsd.cc
@@ -51,6 +51,13 @@ int internal_mprotect(void *addr, uptr length, int prot) {
   return mprotect(addr, length, prot);
 }
 
+int internal_sysctlbyname(const char *sname, void *oldp, uptr *oldlenp,
+                          const void *newp, uptr newlen) {
+  Printf("internal_sysctlbyname not implemented for OpenBSD");
+  Die();
+  return 0;
+}
+
 uptr ReadBinaryName(/*out*/char *buf, uptr buf_len) {
   // On OpenBSD we cannot get the full path
   struct kinfo_proc kp;