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Add support for stack-protector

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Add support for stack protector for UBOOT, SPL, and TPL
as well as new pytest for stackprotector

Signed-off-by: Joel Peshkin <joel.peshkin@broadcom.com>

Adjust UEFI build flags.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Joel Peshkin 2021-04-11 11:21:58 +02:00 • committed by Tom Rini
parent 1598c83ece
commit 4e9bce1243
14 changed files with 105 additions and 2 deletions
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20
common/stackprot.c Normal file
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@ -0,0 +1,20 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2021 Broadcom
*/
#include <common.h>
#include <asm/global_data.h>
DECLARE_GLOBAL_DATA_PTR;
unsigned long __stack_chk_guard = (unsigned long)(0xfeedf00ddeadbeef & ~0UL);
void __stack_chk_fail(void)
{
void *ra;
ra = __builtin_extract_return_addr(__builtin_return_address(0));
panic("Stack smashing detected in function:\n%p relocated from %p",
ra, ra - gd->reloc_off);
}