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Diffstat (limited to 'arch/s390/kernel/kprobes.c')
-rw-r--r--arch/s390/kernel/kprobes.c30
1 files changed, 0 insertions, 30 deletions
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 401f9c933ff9..5e713f318de3 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -281,16 +281,6 @@ static void pop_kprobe(struct kprobe_ctlblk *kcb)
}
NOKPROBE_SYMBOL(pop_kprobe);
-void arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs)
-{
- ri->ret_addr = (kprobe_opcode_t *)regs->gprs[14];
- ri->fp = (void *)regs->gprs[15];
-
- /* Replace the return addr with trampoline addr */
- regs->gprs[14] = (unsigned long)&__kretprobe_trampoline;
-}
-NOKPROBE_SYMBOL(arch_prepare_kretprobe);
-
static void kprobe_reenter_check(struct kprobe_ctlblk *kcb, struct kprobe *p)
{
switch (kcb->kprobe_status) {
@@ -371,26 +361,6 @@ static int kprobe_handler(struct pt_regs *regs)
}
NOKPROBE_SYMBOL(kprobe_handler);
-void arch_kretprobe_fixup_return(struct pt_regs *regs,
- kprobe_opcode_t *correct_ret_addr)
-{
- /* Replace fake return address with real one. */
- regs->gprs[14] = (unsigned long)correct_ret_addr;
-}
-NOKPROBE_SYMBOL(arch_kretprobe_fixup_return);
-
-/*
- * Called from __kretprobe_trampoline
- */
-void trampoline_probe_handler(struct pt_regs *regs)
-{
- kretprobe_trampoline_handler(regs, (void *)regs->gprs[15]);
-}
-NOKPROBE_SYMBOL(trampoline_probe_handler);
-
-/* assembler function that handles the kretprobes must not be probed itself */
-NOKPROBE_SYMBOL(__kretprobe_trampoline);
-
/*
* Called after single-stepping. p->addr is the address of the
* instruction whose first byte has been replaced by the "breakpoint"