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Diffstat (limited to 'include/linux/uprobes.h')
-rw-r--r--include/linux/uprobes.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index 02b83db8e2c5..06f28beed7c2 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -38,6 +38,8 @@ struct inode;
#define UPROBE_HANDLER_REMOVE 1
#define UPROBE_HANDLER_MASK 1
+#define MAX_URETPROBE_DEPTH 64
+
enum uprobe_filter_ctx {
UPROBE_FILTER_REGISTER,
UPROBE_FILTER_UNREGISTER,
@@ -46,6 +48,9 @@ enum uprobe_filter_ctx {
struct uprobe_consumer {
int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs);
+ int (*ret_handler)(struct uprobe_consumer *self,
+ unsigned long func,
+ struct pt_regs *regs);
bool (*filter)(struct uprobe_consumer *self,
enum uprobe_filter_ctx ctx,
struct mm_struct *mm);
@@ -68,6 +73,8 @@ struct uprobe_task {
enum uprobe_task_state state;
struct arch_uprobe_task autask;
+ struct return_instance *return_instances;
+ unsigned int depth;
struct uprobe *active_uprobe;
unsigned long xol_vaddr;
@@ -100,6 +107,7 @@ struct uprobes_state {
extern int __weak set_swbp(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr);
extern int __weak set_orig_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr);
extern bool __weak is_swbp_insn(uprobe_opcode_t *insn);
+extern bool __weak is_trap_insn(uprobe_opcode_t *insn);
extern int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);
extern int uprobe_apply(struct inode *inode, loff_t offset, struct uprobe_consumer *uc, bool);
extern void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);