On Tue, Nov 20, 2012 at 9:16 AM, Xinliang David Li <davi...@google.com> wrote: > If that is a limitation, the compiler should give a warning about it > instead of making them silently suppress each other. Think about some > other sanitizer options that can co-exist with asan or tsan in the > future.
Yes, that's what we are moving to in clang (e.g. "ubsan" can co-exist with tsan/tsan/msan). > > David > > On Mon, Nov 19, 2012 at 9:07 PM, Konstantin Serebryany > <konstantin.s.serebry...@gmail.com> wrote: >> On Mon, Nov 19, 2012 at 10:31 PM, Xinliang David Li <davi...@google.com> >> wrote: >>> Questions: are -fsanitize=thread -fsanitize=address mutually exclusive >>> here? If yes, that will be wrong. >>> >>> How about -fsanitize=all option? >> >> asan and tsan can not coexist in the same process. >> Until recently, using both flags with clang was causing a failure at >> program startup, now it produces a build failure. >> >> --kcc >> >> >>> >>> As kcc mentioned, the -fno-.. form is not handled. >>> >>> David >>> >>> >>> On Mon, Nov 19, 2012 at 10:14 AM, Wei Mi <w...@google.com> wrote: >>>> Hi, >>>> >>>> This patch is to change -faddress-sanitizer to -fsanitize=address. Ok for >>>> trunk? >>>> >>>> 2012-11-19 Wei Mi <w...@google.com> >>>> >>>> * cfgexpand.c (partition_stack_vars): Change flag_asan to >>>> flag_sanitize. >>>> (expand_stack_vars): Likewise. >>>> (defer_stack_allocation): Likewise. >>>> (expand_used_vars): Likewise. >>>> * varasm.c (assemble_noswitch_variable): Likewise. >>>> (assemble_variable): Likewise. >>>> (place_block_symbol): Likewise. >>>> * asan.c (gate_asan): Likewise. >>>> (gate_asan_O0): Likewise. >>>> * toplev.c (compile_file): Likewise. >>>> (process_options): Likewise. >>>> * common.opt: Change faddress-sanitizer to fsanitize=address. >>>> * gcc.c (LINK_COMMAND_SPEC): Likewise. >>>> * testsuite/lib/asan-dg.exp >>>> (check_effective_target_faddress_sanitizer): Likewise. >>>> (asan_init): Likewise. >>>> * flag-types.h (sanitize_type): New enum type. >>>> * doc/invoke.texi (-fsanitize=[address|thread]): Document. >>>> >>>> Thanks, >>>> Wei.
