sched/spawn: Support task_spawnattr_[set|get]stackaddr

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

binfmt/binfmt_dumpmodule.c

@@ -70,6 +70,9 @@ int binfmt_dumpmodule(FAR const struct binary_s *bin)
       binfo("  addrenv:   %p\n", bin->addrenv);
 #endif
       binfo("  stacksize: %zd\n", bin->stacksize);
+#ifndef CONFIG_BUILD_KERNEL
+      binfo("  stackaddr: %p\n", bin->stackaddr);
+#endif
       binfo("  unload:    %p\n", bin->unload);
     }
 

binfmt/binfmt_exec.c

@@ -110,6 +110,13 @@ int exec_spawn(FAR const char *filename, FAR char * const *argv,
         {
           bin->stacksize = attr->stacksize;
         }
+
+#ifndef CONFIG_BUILD_KERNEL
+      if (attr->stackaddr != NULL)
+        {
+          bin->stackaddr = attr->stackaddr;
+        }
+#endif
     }
 
   /* Disable pre-emption so that the executed module does

binfmt/binfmt_execmodule.c

@@ -120,6 +120,7 @@ int exec_module(FAR const struct binary_s *binp,
   save_addrenv_t oldenv;
   FAR void *vheap;
 #endif
+  FAR void *stackaddr = NULL;
   pid_t pid;
   int ret;
 
@@ -189,14 +190,18 @@ int exec_module(FAR const struct binary_s *binp,
 
   /* Initialize the task */
 
+#ifndef CONFIG_BUILD_KERNEL
+  stackaddr = binp->stackaddr;
+#endif
+
   if (argv && argv[0])
     {
-      ret = nxtask_init(tcb, argv[0], binp->priority, NULL,
+      ret = nxtask_init(tcb, argv[0], binp->priority, stackaddr,
                         binp->stacksize, binp->entrypt, &argv[1], envp);
     }
   else
     {
-      ret = nxtask_init(tcb, filename, binp->priority, NULL,
+      ret = nxtask_init(tcb, filename, binp->priority, stackaddr,
                         binp->stacksize, binp->entrypt, argv, envp);
     }