Previously, we relied on "FuzzerTracePC*(.bss*)" to place libfuzzer's
fuzzer::TPC object into our contiguous shared-memory region. This does
not work for some libfuzzer builds, so this addition identifies the
region by its mangled name: *(.bss._ZN6fuzzer3TPCE);
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id:
20200512030133.29896-4-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
/* Internal Libfuzzer TracePC object which contains the ValueProfileMap */
FuzzerTracePC*(.bss*);
+ /*
+ * In case the above line fails, explicitly specify the (mangled) name of
+ * the object we care about
+ */
+ *(.bss._ZN6fuzzer3TPCE);
}
.data.fuzz_end : ALIGN(4K)
{