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| author | Ryan Salsamendi <rsalsamendi@hotmail.com> | 2017-06-11 21:07:31 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2017-06-14 19:56:59 +0200 |
| commit | ab37e9a171794d3d1fdaa5eff93a61590e5cee8c (patch) | |
| tree | f1d723eca798fdc9c5a3164f33c5577cd7a7d43d /src/Kconfig | |
| parent | fce582fa1c928051a3847d35cc334d040159aafb (diff) | |
Add support for Undefined Behavior Sanitizer
Initial support for undefined behavior sanitizer in ramstage. Enabling
this will add -fsanitize=undefined to the compiler command line and
link with ubsan.c in ramstage. Code with UB triggers a report with
error, file, and line number, then aborts.
Change-Id: Ib139a418db97b533f99fc59bcb1a71fb6dcd01d8
Signed-off-by: Ryan Salsamendi <rsalsamendi@hotmail.com>
Reviewed-on: https://review.coreboot.org/20156
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Diffstat (limited to 'src/Kconfig')
| -rw-r--r-- | src/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/Kconfig b/src/Kconfig index 50a054a128..637f5757e7 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -200,6 +200,14 @@ config COVERAGE coverage information in CBMEM for extraction from user space. If unsure, say N. +config UBSAN + bool "Undefined behavior sanitizer support" + default n + help + Instrument the code with checks for undefined behavior. If unsure, + say N because it adds a small performance penalty and may abort + on code that happens to work in spite of the UB. + config RELOCATABLE_RAMSTAGE depends on EARLY_CBMEM_INIT bool "Build the ramstage to be relocatable in 32-bit address space." |