common/stackprot.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  *  Copyright 2021 Broadcom
   4  */
   5
   6 #include <common.h>
   7 #include <asm/global_data.h>
   8
   9 DECLARE_GLOBAL_DATA_PTR;
  10
  11 unsigned long __stack_chk_guard = (unsigned long)(0xfeedf00ddeadbeef & ~0UL);
  12
  13 void __stack_chk_fail(void)
  14 {
  15         void *ra;
  16
  17         ra = __builtin_extract_return_addr(__builtin_return_address(0));
  18         panic("Stack smashing detected in function:\n%p relocated from %p",
  19               ra, ra - gd->reloc_off);
  20 }