Commit 7a9b2345 authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Paul E. McKenney
Browse files

tools/nolibc: x86_64: disable stack protector for _start 



This was forgotten in the original submission.

It is unknown why it worked for x86_64 on some compiler without this
attribute.

Reported-by: default avatarWilly Tarreau <w@1wt.eu>
Closes: https://lore.kernel.org/lkml/20230520133237.GA27501@1wt.eu/


Fixes: 0d8c461a ("tools/nolibc: x86_64: add stackprotector support")
Signed-off-by: default avatarThomas Weißschuh <linux@weissschuh.net>
Signed-off-by: default avatarWilly Tarreau <w@1wt.eu>
Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent 659ee30f

tools/include/nolibc/arch-x86_64.h

+1 −1
Original line number Diff line number Diff line
@@ -190,7 +190,7 @@ const unsigned long *_auxv __attribute__((weak)); 
 * 2) The deepest stack frame should be zero (the %rbp).

 *

 */

void __attribute__((weak,noreturn,optimize("omit-frame-pointer"))) _start(void)

void __attribute__((weak,noreturn,optimize("omit-frame-pointer"),no_stack_protector)) _start(void)

{

	__asm__ volatile (

#ifdef NOLIBC_STACKPROTECTOR