Add instruction_pointer_set() API for ia64.
Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
---
Changes in v9:
- Fix "space at the start of a line" checkpatch warnings.
Changes in v4:
- Make the API macro for avoiding a build error.
---
arch/ia64/include/asm/ptrace.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
index 08179135905c..8a2d0f72b324 100644
--- a/arch/ia64/include/asm/ptrace.h
+++ b/arch/ia64/include/asm/ptrace.h
@@ -51,6 +51,11 @@
* the canonical representation by adding to instruction pointer.
*/
# define instruction_pointer(regs) ((regs)->cr_iip + ia64_psr(regs)->ri)
+# define instruction_pointer_set(regs, val) \
+({ \
+ ia64_psr(regs)->ri = (val & 0xf); \
+ regs->cr_iip = (val & ~0xfULL); \
+})
static inline unsigned long user_stack_pointer(struct pt_regs *regs)
{
