64     uintptr_t addr)  in _backtrace_pack_addr()
73 		uintptr_t addr_delta = addr - vm_kernel_stext;  in _backtrace_pack_addr()
76 		if ((uintptr_t)(int32_t)addr_delta != addr_delta) {  in _backtrace_pack_addr()
82 		assert((uintptr_t)(int32_t)addr_delta == addr_delta);  in _backtrace_pack_addr()
103 	uintptr_t *fp;  in backtrace_internal()
105 	uintptr_t top, bottom;  in backtrace_internal()
115 	(((uintptr_t)(__addr) >= (uintptr_t)bottom) && \  in backtrace_internal()
116 	((uintptr_t)(__addr) < (uintptr_t)top))  in backtrace_internal()
118 	in_valid_stack = IN_STK_BOUNDS(fp) || ml_addr_in_non_xnu_stack((uintptr_t)fp);  in backtrace_internal()
125 		uintptr_t *next_fp = (uintptr_t *)*fp;  in backtrace_internal()
127 		uintptr_t ret_addr = *(fp + 1);  in backtrace_internal()
132 		in_valid_stack = IN_STK_BOUNDS(next_fp) || ml_addr_in_non_xnu_stack((uintptr_t)next_fp);  in backtrace_internal()
140 		uintptr_t pc = (uintptr_t)ptrauth_strip((void *)ret_addr,  in backtrace_internal()
143 		uintptr_t pc = ret_addr;  in backtrace_internal()
159 			if (!ml_addr_in_non_xnu_stack((uintptr_t)fp) &&  in backtrace_internal()
160 			    !ml_addr_in_non_xnu_stack((uintptr_t)next_fp)) {  in backtrace_internal()
183 interrupted_kernel_pc_fp(uintptr_t *pc, uintptr_t *fp)  in interrupted_kernel_pc_fp()
240 static uintptr_t
241 _backtrace_preamble(struct backtrace_control *ctl, uintptr_t *start_frame_out)  in _backtrace_preamble()
244 	uintptr_t start_frame = ctl ? ctl->btc_frame_addr : 0;  in _backtrace_preamble()
245 	uintptr_t pc = 0;  in _backtrace_preamble()
249 		uintptr_t fp;  in _backtrace_preamble()
256 		*start_frame_out = (uintptr_t)__builtin_frame_address(0);  in _backtrace_preamble()
264 backtrace(uintptr_t *bt, unsigned int max_frames,  in backtrace()
268 	uintptr_t start_frame = ctl ? ctl->btc_frame_addr : 0;  in backtrace()
269 	uintptr_t pc = _backtrace_preamble(ctl, &start_frame);  in backtrace()
281 	    max_frames * sizeof(uintptr_t), (void *)start_frame,  in backtrace()
284 	unsigned int len = size / sizeof(uintptr_t);  in backtrace()
299 	uintptr_t start_frame = ctl ? ctl->btc_frame_addr : 0;  in backtrace_packed()
300 	uintptr_t pc = _backtrace_preamble(ctl, &start_frame);  in backtrace_packed()
317     const uintptr_t *src, unsigned int src_len)  in backtrace_pack()
333 backtrace_unpack(backtrace_pack_t packing, uintptr_t *dst, unsigned int dst_len,  in backtrace_unpack()
338 		size_t unpack_size = MIN(dst_len * sizeof(uintptr_t), src_size);  in backtrace_unpack()
340 		return (unsigned int)(unpack_size / sizeof(uintptr_t));  in backtrace_unpack()
347 			dst[i] = vm_kernel_stext + (uintptr_t)addr;  in backtrace_unpack()
369 backtrace_user(uintptr_t *bt, unsigned int max_frames,  in backtrace_user()
377 	uintptr_t pc = 0, next_fp = 0;  in backtrace_user()
378 	uintptr_t fp = ctl->btc_frame_addr;  in backtrace_user()
389 	uintptr_t async_frame_addr = 0;  in backtrace_user()
515 		uintptr_t ret_addr = user_64 ? frame.u64.ret : frame.u32.ret;  in backtrace_user()
519 		bt[frame_index++] = (uintptr_t)ptrauth_strip((void *)ret_addr,  in backtrace_user()
540 			async_frame_addr = (uintptr_t)ptrauth_strip((void *)async_ctx,  in backtrace_user()
543 			async_frame_addr = (uintptr_t)async_ctx;  in backtrace_user()
550 		next_fp = (uintptr_t)ptrauth_strip((void *)next_fp,  in backtrace_user()