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libpayload: Fix the stack and data labels

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We should make sure _stack/_estack and the other labels are consistent.
And _data & _edata is also useful to clean up the sensitive data on the
data section.

BUG=b:248610274
TEST=emerge-cherry libpayload
BRANCH=none

Cq-Depend: chromium:5052462
Change-Id: I589040f4db60b35813ea9f4ba9503244bd7def00
Signed-off-by: Yi Chou <yich@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79144
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Yi Chou
2023-11-18 12:12:01 +08:00
committed by Julius Werner
parent 1397fd3668
commit 32ea2abe3b
6 changed files with 33 additions and 15 deletions
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2
payloads/libpayload/arch/x86/head.S
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@@ -73,7 +73,7 @@ _init:
/* Store current stack pointer and set up new stack. */
movl %esp, %eax
movl $_stack, %esp
movl $_estack, %esp
pushl %eax
/* Enable special x86 functions if present. */