bootstrap-hwasan.mk 721 B

123456789101112
  1. # This option enables -fsanitize=hwaddress for stage2 and stage3.
  2. # We need to disable random frame tags for bootstrap since the autoconf check
  3. # for which direction the stack is growing has UB that a random frame tag
  4. # breaks. Running with a random frame tag gives approx. 50% chance of
  5. # bootstrap comparison diff in libiberty/alloca.c.
  6. STAGE2_CFLAGS += -fsanitize=hwaddress --param hwasan-random-frame-tag=0
  7. STAGE3_CFLAGS += -fsanitize=hwaddress --param hwasan-random-frame-tag=0
  8. POSTSTAGE1_LDFLAGS += -fsanitize=hwaddress -static-libhwasan \
  9. -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ \
  10. -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/hwasan/ \
  11. -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/hwasan/.libs