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authorAl Viro <viro@zeniv.linux.org.uk>2012-11-16 22:27:58 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-11-16 22:27:58 -0500
commitd05f06e60df4f56a70fb8a3e46335b40687169e9 (patch)
treec1eec6749fed86a21b08606e1e4acefe4b033253 /arch/hexagon/include/uapi/asm/ptrace.h
parent0af1c5300db31f25a412e6e83d42b1747d56c9de (diff)
parent1d72d9f83df057e71c7951def41138a0230bf737 (diff)
Merge branch 'arch-frv' into no-rebases
Diffstat (limited to 'arch/hexagon/include/uapi/asm/ptrace.h')
-rw-r--r--arch/hexagon/include/uapi/asm/ptrace.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/hexagon/include/uapi/asm/ptrace.h b/arch/hexagon/include/uapi/asm/ptrace.h
new file mode 100644
index 00000000000..1ffce0c6ee0
--- /dev/null
+++ b/arch/hexagon/include/uapi/asm/ptrace.h
@@ -0,0 +1,39 @@
+/*
+ * Ptrace definitions for the Hexagon architecture
+ *
+ * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _ASM_PTRACE_H
+#define _ASM_PTRACE_H
+
+#include <asm/registers.h>
+
+#define instruction_pointer(regs) pt_elr(regs)
+#define user_stack_pointer(regs) ((regs)->r29)
+
+#define profile_pc(regs) instruction_pointer(regs)
+
+/* kprobe-based event tracer support */
+extern int regs_query_register_offset(const char *name);
+extern const char *regs_query_register_name(unsigned int offset);
+
+#define current_pt_regs() \
+ ((struct pt_regs *) \
+ ((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
+
+#endif