Commit graph

3 commits

Author SHA1 Message Date
Harshit Sharma
a6ebe08333 lib: Add ASan support to romstage on x86 arch
This patch adds ASan support to romstage on x86 architecture.
A Kconfig option is added to enable ASan in romstage. Compiler
flags are updated. A memory space representing the shadow region
is reserved in linker section. And a function call to asan_init()
is added to initialize shadow region when romstage loads.

Change-Id: I67ebfb5e8d602e865b1f5c874860861ae4e54381
Signed-off-by: Harshit Sharma <harshitsharmajs@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43604
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
2020-08-21 07:41:19 +00:00
Harshit Sharma
9c88fb8df0 lib: Add ASan support to ramstage on x86 arch
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>
2020-08-21 07:37:52 +00:00
Harshit Sharma
2bcaba0fd4 lib: Add ASan stub
Add a Kconfig option to enable address sanitizer on x86 architecture.
Create ASan dummy functions. And add relevant gcc flags to compile
ramstage with ASan.

Change-Id: I6d87e48b6786f02dd46ea74e702f294082fd8891
Signed-off-by: Harshit Sharma <harshitsharmajs@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42271
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
2020-08-21 07:35:07 +00:00