Initial effort at adding profiling support.

1 files changed, 32 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/arm/bits/profil-counter.h b/libc/sysdeps/linux/arm/bits/profil-counter.h
new file mode 100644
index 000000000..5d8be9dba
--- /dev/null
+++ b/libc/sysdeps/linux/arm/bits/profil-counter.h
@@ -0,0 +1,32 @@
+/* Low-level statistical profiling support function.  Linux/ARM version.
+   Copyright (C) 1996, 1997, 1998 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <signal.h>
+#include <bits/armsigctx.h>
+
+void
+profil_counter (int signo, int _a2, int _a3, int _a4, union k_sigcontext sc)
+{
+  void *pc;
+  if (sc.v20.magic == SIGCONTEXT_2_0_MAGIC)
+    pc = (void *) sc.v20.reg.ARM_pc;
+  else
+    pc = (void *) sc.v21.arm_pc;
+  profil_count (pc);
+}