From a6ebe08333dcc6c263b6bb8936d4883663c63798 Mon Sep 17 00:00:00 2001 From: Harshit Sharma Date: Mon, 20 Jul 2020 00:21:05 -0700 Subject: 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/43604 Tested-by: build bot (Jenkins) Reviewed-by: Werner Zeh --- src/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/Kconfig') diff --git a/src/Kconfig b/src/Kconfig index f8af522823..447755be80 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -288,6 +288,13 @@ if ASAN_IN_RAMSTAGE comment "asan_shadow_offset_callback patch is applied to GCC." endif +config ASAN_IN_ROMSTAGE + bool + depends on ASAN_IN_RAMSTAGE + default n + help + Enable address sanitizer in romstage for platform. + choice prompt "Stage Cache for ACPI S3 resume" default NO_STAGE_CACHE if !HAVE_ACPI_RESUME -- cgit v1.2.3