From 91689649656314b04f3dbee0415a9254eb1424dd Mon Sep 17 00:00:00 2001 From: Sergey Bugaev Date: Thu, 23 Feb 2023 18:14:36 +0300 Subject: [PATCH] hurd: Generalize init-first.c to support x86_64 Signed-off-by: Sergey Bugaev Message-Id: <20230223151436.49180-2-bugaevc@gmail.com> --- sysdeps/mach/hurd/{i386 => x86}/init-first.c | 6 ++++++ 1 file changed, 6 insertions(+) rename sysdeps/mach/hurd/{i386 => x86}/init-first.c (97%) diff --git a/sysdeps/mach/hurd/i386/init-first.c b/sysdeps/mach/hurd/x86/init-first.c similarity index 97% rename from sysdeps/mach/hurd/i386/init-first.c rename to sysdeps/mach/hurd/x86/init-first.c index 05424563bf..2fccaefdd2 100644 --- a/sysdeps/mach/hurd/i386/init-first.c +++ b/sysdeps/mach/hurd/x86/init-first.c @@ -225,9 +225,15 @@ _hurd_stack_setup (void) 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 __builtin_unreachable (); }