Looked at your examples, then asked Alexey - my understand was incorrect here. -fsanitize=address doesn't imply any debug info.
So I'll rephrase/correct my original comment: if you want pretty asan backtraces, you can get them with -gmlt (aka -gline-tables-only) rather than -g, which will save you some time/space. If that's particularly important. On Fri, Nov 14, 2014 at 3:31 PM, Eric Fiselier <[email protected]> wrote: > Absolutely. I've attached two files. The contain the compiler invocation > with the output of -v as well as the command line for running the test and > the output of running the test. > Let me know if I can be any more help. > > /Eric > > On Fri, Nov 14, 2014 at 4:19 PM, David Blaikie <[email protected]> wrote: > >> >> >> On Fri, Nov 14, 2014 at 2:45 PM, Eric Fiselier <[email protected]> wrote: >> >>> I seem to get line numbers on certain things (It seems mostly template >>> instantiations) that I didn't get before. Here is an example. >>> You'll notice in the latter there are lines and files on #3 and #4. >>> >> >> Are you sure other parts of the build aren't turning debug info off >> somehow? Could you provide a sample command line of, say, >> '/tmp/tmpV_pKYRexe+0x4b21bc'? >> >> >>> >>> >>> >>> =========================== without -g >>> =================================== >>> >>> WRITE of size 8 at 0x7fff55043588 thread T0 >>> #0 0x46b936 in __asan_memcpy >>> /home/eric/full-llvm/llvm/projects/compiler-rt/lib/asan/asan_interceptors.cc:370:5 >>> #1 0x4b673e in uw_install_context_1 (/tmp/tmpV_pKYRexe+0x4b673e) >>> #2 0x4b6d26 in _Unwind_Resume (/tmp/tmpV_pKYRexe+0x4b6d26) >>> #3 0x4b21bc in void std::__1::__assoc_state<int>::set_value<int >>> const&>(int const&) (/tmp/tmpV_pKYRexe+0x4b21bc) >>> #4 0x4a61ff in std::__1::promise<int>::set_value(int const&) >>> (/tmp/tmpV_pKYRexe+0x4a61ff) >>> #5 0x4a3921 in main (/tmp/tmpV_pKYRexe+0x4a3921) >>> #6 0x2adefa479ec4 in __libc_start_main >>> (/lib/x86_64-linux-gnu/libc.so.6+0x21ec4) >>> #7 0x417a16 in _start (/tmp/tmpV_pKYRexe+0x417a16) >>> >>> >>> ============================= with -g =================================== >>> >>> WRITE of size 8 at 0x7fff614945c8 thread T0 >>> #0 0x46b9f6 in __asan_memcpy >>> /home/eric/full-llvm/llvm/projects/compiler-rt/lib/asan/asan_interceptors.cc:370:5 >>> #1 0x4b875e in uw_install_context_1 (/tmp/tmpWegAIsexe+0x4b875e) >>> #2 0x4b8d46 in _Unwind_Resume (/tmp/tmpWegAIsexe+0x4b8d46) >>> #3 0x4b3e57 in void std::__1::__assoc_state<int>::set_value<int >>> const&>(int const&) /home/eric/workspace/libcxx/test/../include/future:656:1 >>> #4 0x4a6799 in std::__1::promise<int>::set_value(int const&) >>> /home/eric/workspace/libcxx/test/../include/future:1467:5 >>> #5 0x4a39e1 in main >>> /home/eric/workspace/libcxx/test/thread/futures/futures.promise/set_value_const.pass.cpp:40:13 >>> #6 0x7fd782e11ec4 in __libc_start_main >>> (/lib/x86_64-linux-gnu/libc.so.6+0x21ec4) >>> #7 0x417ad6 in _start (/tmp/tmpWegAIsexe+0x417ad6) >>> >>> >>> >>> >>> >>> On Fri, Nov 14, 2014 at 3:33 PM, David Blaikie <[email protected]> >>> wrote: >>> >>>> Why -g? sanitizers should enable -gmlt by default which should suffice >>>> >>>> On Fri, Nov 14, 2014 at 2:18 PM, Eric Fiselier <[email protected]> wrote: >>>> >>>>> Author: ericwf >>>>> Date: Fri Nov 14 16:18:03 2014 >>>>> New Revision: 222051 >>>>> >>>>> URL: http://llvm.org/viewvc/llvm-project?rev=222051&view=rev >>>>> Log: >>>>> add debug info when compiling sanitizer tests >>>>> >>>>> Modified: >>>>> libcxx/trunk/test/lit.cfg >>>>> >>>>> Modified: libcxx/trunk/test/lit.cfg >>>>> URL: >>>>> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/lit.cfg?rev=222051&r1=222050&r2=222051&view=diff >>>>> >>>>> ============================================================================== >>>>> --- libcxx/trunk/test/lit.cfg (original) >>>>> +++ libcxx/trunk/test/lit.cfg Fri Nov 14 16:18:03 2014 >>>>> @@ -435,7 +435,7 @@ class Configuration(object): >>>>> llvm_symbolizer = lit.util.which('llvm-symbolizer', >>>>> symbolizer_search_paths) >>>>> # Setup the sanitizer compile flags >>>>> - self.compile_flags += ['-fno-omit-frame-pointer'] >>>>> + self.compile_flags += ['-g', '-fno-omit-frame-pointer'] >>>>> if sys.platform.startswith('linux'): >>>>> self.link_flags += ['-ldl'] >>>>> if san == 'Address': >>>>> >>>>> >>>>> _______________________________________________ >>>>> cfe-commits mailing list >>>>> [email protected] >>>>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits >>>>> >>>> >>>> >>> >> >
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