dtrace: Implement ustackdepth for arm64

MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D52475

This commit is contained in:

Mark Johnston

2026-02-17 17:37:42 +00:00

parent ffbf959070

commit afd64316c8

1 changed files with 14 additions and 2 deletions

									
										sys/cddl/dev/dtrace/aarch64/dtrace_isa.c
									
		+14
		-2
	
												View File
												
				@@ -228,10 +228,22 @@ dtrace_getupcstack(uint64_t *pcstack, int pcstack_limit)

				int

				dtrace_getustackdepth(void)

				{

					proc_t *p = curproc;

					struct trapframe *tf;

					uintptr_t pc, fp;

					int n = 0;

					printf("IMPLEMENT ME: %s\n", __func__);

					if (p == NULL || (tf = curthread->td_frame) == NULL)

						return (0);

					return (0);

					if (DTRACE_CPUFLAG_ISSET(CPU_DTRACE_FAULT))

						return (-1);

					pc = tf->tf_elr;

					fp = tf->tf_x[29];

					n += dtrace_getustack_common(NULL, 0, pc, fp);

					return (n);

				}

				void