1 files changed, 36 insertions, 0 deletions
diff --git a/runtime/uprobes/uprobes_ppc64.c b/runtime/uprobes/uprobes_ppc64.c
new file mode 100644
index 00000000..d80676e9
--- /dev/null
+++ b/runtime/uprobes/uprobes_ppc64.c
@@ -0,0 +1,36 @@
+/*
+ * Userspace Probes (UProbes) for PowerPC
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright IBM Corporation, 2007
+ */
+/*
+ * In versions of uprobes built in the SystemTap runtime, this file
+ * is #included at the end of uprobes.c.
+ */
+
+/*
+ * Replace the return address with the trampoline address.  Returns
+ * the original return address.
+ */
+static
+unsigned long arch_hijack_uret_addr(unsigned long trampoline_address,
+		struct pt_regs *regs, struct uprobe_task *utask)
+{
+	unsigned long orig_ret_addr = regs->link;
+	regs->link = trampoline_address;
+	return orig_ret_addr;
+}