diff options
| author | Harshit Sharma <harshitsharmajs@gmail.com> | 2020-06-17 20:19:00 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-08-21 07:37:52 +0000 |
| commit | 9c88fb8df0005dc60e6c62778b4f16313cb3308e (patch) | |
| tree | 8f29d4bf1f6ab90a3241e91fff2d8fe62bf49ea8 /src/lib/program.ld | |
| parent | 3b9cc859ff64a55cb6fbd247b1c2680d13716d91 (diff) | |
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>
Diffstat (limited to 'src/lib/program.ld')
| -rw-r--r-- | src/lib/program.ld | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/lib/program.ld b/src/lib/program.ld index 88a3126038..3b6aa2ecba 100644 --- a/src/lib/program.ld +++ b/src/lib/program.ld @@ -51,7 +51,7 @@ _etext = .; } : to_load -#if ENV_RAMSTAGE && CONFIG(COVERAGE) +#if ENV_RAMSTAGE && (CONFIG(COVERAGE) || CONFIG(ASAN_IN_RAMSTAGE)) .ctors . : { . = ALIGN(0x100); __CTOR_LIST__ = .; @@ -126,6 +126,11 @@ } #endif +#if ENV_RAMSTAGE && CONFIG(ASAN_IN_RAMSTAGE) + _shadow_size = (_eheap - _data) >> 3; + REGION(asan_shadow, ., _shadow_size, ARCH_POINTER_ALIGN_SIZE) +#endif + _eprogram = .; /* Discard the sections we don't need/want */ |