diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index 47ff865..a3d0851 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -167,6 +167,10 @@ struct pt_regs {
 	s32 syscallno;
 	u32 pmr;
 
+#ifdef CONFIG_DYNAMIC_STACK
+	u64 tpidr_el0;
+	u64 tpidrro_el0; // not needed?
+#endif
 	u64 sdei_ttbr1;
 	struct frame_record_meta stackframe;
 
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index 30d4bbe..25bc0fe 100644
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -73,6 +73,10 @@ int main(void)
   DEFINE(S_PC,			offsetof(struct pt_regs, pc));
   DEFINE(S_PSTATE,		offsetof(struct pt_regs, pstate));
   DEFINE(S_SYSCALLNO,		offsetof(struct pt_regs, syscallno));
+#ifdef CONFIG_DYNAMIC_STACK
+  DEFINE(S_TPIDR_EL0,		offsetof(struct pt_regs, tpidr_el0));
+  DEFINE(S_TPIDRRO_EL0,		offsetof(struct pt_regs, tpidrro_el0)); // not needed?
+#endif
   DEFINE(S_SDEI_TTBR1,		offsetof(struct pt_regs, sdei_ttbr1));
   DEFINE(S_PMR,			offsetof(struct pt_regs, pmr));
   DEFINE(S_STACKFRAME,		offsetof(struct pt_regs, stackframe));