debug: openocd: Support for building on SPARC

This adds the pieces needed for openocd.c to compile when ARCH=SPARC.
In particular, it allows the tracing.osawareness.openocd sample to
build and run.

Signed-off-by: Martin Åberg <[email protected]>

Author: tbr-tt

subsys/debug/openocd.c

@@ -71,6 +71,9 @@ size_t _kernel_openocd_offsets[] = {
 #elif defined(CONFIG_RISCV)
 	[OPENOCD_OFFSET_T_STACK_PTR] = offsetof(struct k_thread,
 						callee_saved.sp),
+#elif defined(CONFIG_SPARC)
+	[OPENOCD_OFFSET_T_STACK_PTR] = offsetof(struct k_thread,
+						callee_saved.o6),
 #else
 	/* Use a special value so that OpenOCD knows that obtaining the stack
 	 * pointer is not possible on this particular architecture.