[PATCH v3 3/9] objtool, kcsan: Add KCSAN runtime functions to whitelist

Marco Elver
2019-11-04T14:29:02Z

This patch adds KCSAN runtime functions to the objtool whitelist.

Signed-off-by: Marco Elver <elver@google.com>
---
v3:
* Add missing instrumentation functions.
* Use new function names of refactored core runtime.
---
tools/objtool/check.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 044c9a3cb247..e022a9a00ca1 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -466,6 +466,24 @@ static const char *uaccess_safe_builtin[] = {
"__asan_report_store4_noabort",
"__asan_report_store8_noabort",
"__asan_report_store16_noabort",
+ /* KCSAN */
+ "kcsan_found_watchpoint",
+ "kcsan_setup_watchpoint",
+ /* KCSAN/TSAN */
+ "__tsan_func_entry",
+ "__tsan_func_exit",
+ "__tsan_read_range",
+ "__tsan_write_range",
+ "__tsan_read1",
+ "__tsan_read2",
+ "__tsan_read4",
+ "__tsan_read8",
+ "__tsan_read16",
+ "__tsan_write1",
+ "__tsan_write2",
+ "__tsan_write4",
+ "__tsan_write8",
+ "__tsan_write16",
/* KCOV */
"write_comp_data",
"__sanitizer_cov_trace_pc",
--
2.24.0.rc1.363.gb1bccd3e3d-goog