hurd: Drop x86-specific assembly from init-first.c

We already have the RETURN_TO macro for this exact use case, and it's already
used in the non-static code path. Use it here too.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-ID: <20240103171502.1358371-9-bugaevc@gmail.com>

diff --git a/sysdeps/mach/hurd/x86/init-first.c b/sysdeps/mach/hurd/x86/init-first.c
index 6f71d71..211b209 100644 (file)
--- a/sysdeps/mach/hurd/x86/init-first.c
+++ b/sysdeps/mach/hurd/x86/init-first.c
@@ -218,15 +218,7 @@ _hurd_stack_setup (void **argptr)
   void doinit (intptr_t *data)
     {
       init ((void **) data);
-# ifdef __x86_64__
-      asm volatile ("movq %0, %%rsp\n" /* Switch to new outermost stack.  */
-                    "xorq %%rbp, %%rbp\n" /* Clear outermost frame pointer.  */
-                    "jmp *%1" : : "r" (data), "r" (caller));
-# else
-      asm volatile ("movl %0, %%esp\n" /* Switch to new outermost stack.  */
-                   "xorl %%ebp, %%ebp\n" /* Clear outermost frame pointer.  */
-                   "jmp *%1" : : "r" (data), "r" (caller));
-# endif
+      RETURN_TO (data, caller, 0);
       __builtin_unreachable ();
     }