1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/profil-counter.h b/sysdeps/unix/sysv/linux/profil-counter.h
new file mode 100644
index 0000000000..50af90cb13
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/profil-counter.h
@@ -0,0 +1,32 @@
+/* Low-level statistical profiling support function.  Linux version.
+   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <signal.h>
+#include <sigcontextinfo.h>
+
+/* sa_sigaction signature to use along SA_SIGINFO.  */
+static void
+__profil_counter (int signo, siginfo_t *info, void *ctx)
+{
+  profil_count (sigcontext_get_pc (ctx));
+
+  /* This is a hack to prevent the compiler from implementing the
+     above function call as a sibcall.  The sibcall would overwrite
+     the signal context.  */
+  asm volatile ("");
+}