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