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Re: [PATCH] Change -faddress-sanitizer to -fsanitize=address


On Mon, Nov 19, 2012 at 10:31 PM, Xinliang David Li <davidxl@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 <wmi@google.com> wrote:
>> Hi,
>>
>> This patch is to change -faddress-sanitizer to -fsanitize=address. Ok for trunk?
>>
>> 2012-11-19  Wei Mi  <wmi@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.


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