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Add an option flag to intentionally shift binary code

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We need a simple way to build an EC image that is binary-wise much
different from the original one, so that we can test EC update as much
thoroughly as possible. By padding useless space, we can have an image
with exactly same functionality but binary-wise different.

BUG=chrome-os-partner:10264
TEST=Build and run without error.

Change-Id: I070bec7cec71db1662238ca6af10e864c82ba428
Reviewed-on: https://gerrit.chromium.org/gerrit/26083
Reviewed-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
Tested-by: Vic Yang <victoryang@chromium.org>
Commit-Ready: Vic Yang <victoryang@chromium.org>
This commit is contained in:
Vic Yang
2012-06-26 12:12:11 +08:00
committed by Gerrit
parent 0e261504aa
commit a6e24f1672
1 changed files with 4 additions and 0 deletions
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4
core/cortex-m/ec.lds.S
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@@ -26,7 +26,11 @@ SECTIONS
. = ALIGN(4);
__version_struct_offset = .;
*(.rodata.ver)
#ifdef SHIFT_CODE_FOR_TEST
. = ALIGN(256);
#else
. = ALIGN(4);
#endif
OUTDIR/core/CORE/init.o (.text)
*(.text*)
#ifdef COMPILE_FOR_RAM