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authorRichard Kuo <rkuo@codeaurora.org>2011-10-31 18:43:44 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 07:34:19 -0700
commit39e89c9fc518215b3ae0f2c8523b7ce0e5ba9225 (patch)
tree2a3d7a348c5fac49faec0681a3fc7f5aa3141383 /arch/hexagon/include
parent71e4a47f32f4e1e8ca7384433c2b9fcf478b963f (diff)
downloadlinux-linaro-stable-39e89c9fc518215b3ae0f2c8523b7ce0e5ba9225.tar.gz
Hexagon: Add ptrace support
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Linas Vepstas <linas@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/hexagon/include')
-rw-r--r--arch/hexagon/include/asm/ptrace.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/ptrace.h b/arch/hexagon/include/asm/ptrace.h
new file mode 100644
index 000000000000..3d2f607cd63c
--- /dev/null
+++ b/arch/hexagon/include/asm/ptrace.h
@@ -0,0 +1,35 @@
+/*
+ * Ptrace definitions for the Hexagon architecture
+ *
+ * Copyright (c) 2010-2011, Code Aurora Forum. 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);
+
+#endif