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ia64: Add instruction_pointer_set() API

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Add instruction_pointer_set() API for ia64.

Link: https://lkml.kernel.org/r/163163051195.489837.1039597819838213481.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu 2021-09-14 23:41:52 +09:00 • committed by Steven Rostedt (VMware)
parent bb6121b11c
commit c1f76fe58f
1 changed files with 5 additions and 0 deletions
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5
arch/ia64/include/asm/ptrace.h
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@ -51,6 +51,11 @@
* the canonical representation by adding to instruction pointer. * the canonical representation by adding to instruction pointer.
*/ */
# define instruction_pointer(regs) ((regs)->cr_iip + ia64_psr(regs)->ri) # 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) static inline unsigned long user_stack_pointer(struct pt_regs *regs)
{ {