diff options
Diffstat (limited to 'arch/parisc/kernel/entry.S')
| -rw-r--r-- | arch/parisc/kernel/entry.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 4e9dd15e076..ae3e70cd1e1 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -2185,6 +2185,33 @@ syscall_do_resched: ENDPROC(syscall_exit) +#ifdef CONFIG_FUNCTION_TRACER + .import ftrace_function_trampoline,code +ENTRY(_mcount) + copy %r3, %arg2 + b ftrace_function_trampoline + nop +ENDPROC(_mcount) + +ENTRY(return_to_handler) + load32 return_trampoline, %rp + copy %ret0, %arg0 + copy %ret1, %arg1 + b ftrace_return_to_handler + nop +return_trampoline: + copy %ret0, %rp + copy %r23, %ret0 + copy %r24, %ret1 + +.globl ftrace_stub +ftrace_stub: + bv %r0(%rp) + nop +ENDPROC(return_to_handler) +#endif /* CONFIG_FUNCTION_TRACER */ + + get_register: /* * get_register is used by the non access tlb miss handlers to |