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lib: Add ASan support to ramstage on x86 arch

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This patch adds address sanitizer module to the library and reserves
a linker section representing the shadow region for ramstage. Also,
it adds an instruction to initialize shadow region on x86
architecture when ramstage is loaded.

Change-Id: Ica06bd2be78fcfc79fa888721ed920d4e8248f3b
Signed-off-by: Harshit Sharma <harshitsharmajs@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42496
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
This commit is contained in:
Harshit Sharma
2020-06-17 20:19:00 -07:00
committed by Patrick Georgi
parent 3b9cc859ff
commit 9c88fb8df0
5 changed files with 523 additions and 19 deletions
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6
src/include/symbols.h
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@@ -24,6 +24,12 @@ DECLARE_REGION(cbfs_cache)
DECLARE_REGION(fmap_cache)
DECLARE_REGION(tpm_tcpa_log)
#if CONFIG(ASAN_IN_RAMSTAGE)
DECLARE_REGION(data)
DECLARE_REGION(heap)
DECLARE_REGION(asan_shadow)
#endif
/* Regions for execution units. */
DECLARE_REGION(payload)