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authorAnton Arapov <anton@redhat.com>2013-04-03 18:00:33 +0200
committerOleg Nesterov <oleg@redhat.com>2013-04-13 15:31:55 +0200
commit791eca10107f2886c1915d91c99a3b022a75909c (patch)
treeeb36692870d6e8e293ca27695b6980dbb6a11394 /arch/x86/include/asm/uprobes.h
parente78aebfd27256ca59ccd3e6cf62cfad2a80e02d3 (diff)
uretprobes/x86: Hijack return address
Hijack the return address and replace it with a trampoline address. Signed-off-by: Anton Arapov <anton@redhat.com> Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/uprobes.h')
-rw-r--r--arch/x86/include/asm/uprobes.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h
index 8ff8be7835ab..6e5197910fd8 100644
--- a/arch/x86/include/asm/uprobes.h
+++ b/arch/x86/include/asm/uprobes.h
@@ -55,4 +55,5 @@ extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs);
#endif /* _ASM_UPROBES_H */