aboutsummaryrefslogtreecommitdiff
path: root/gmon/profil.c
diff options
context:
space:
mode:
Diffstat (limited to 'gmon/profil.c')
-rw-r--r--gmon/profil.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/gmon/profil.c b/gmon/profil.c
new file mode 100644
index 0000000000..8736375858
--- /dev/null
+++ b/gmon/profil.c
@@ -0,0 +1,42 @@
+/* Low-level statistical profiling support function. Stub version.
+ Copyright (C) 1995, 1996, 1997 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 <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+
+/* Enable statistical profiling, writing samples of the PC into at most
+ SIZE bytes of SAMPLE_BUFFER; every processor clock tick while profiling
+ is enabled, the system examines the user PC and increments
+ SAMPLE_BUFFER[((PC - OFFSET) / 2) * SCALE / 65536]. If SCALE is zero,
+ disable profiling. Returns zero on success, -1 on error. */
+
+int
+__profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
+{
+ if (scale == 0)
+ /* Disable profiling. */
+ return 0;
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+weak_alias (__profil, profil)
+stub_warning (profil)
+#include <stub-tag.h>