Yes, you are right. Reported to clang:
https://llvm.org/bugs/show_bug.cgi?id=28596
Thank you very much.
On Mon, Jul 18, 2016 at 3:40 AM, Alan Modra wrote:
> On Sat, Jul 16, 2016 at 09:06:10PM +0200, Albert Netymk wrote:
>> == addr.c
>>
>> ```
>> #include
>>
>> void f() { }
>>
>> int main(int argc, char **argv)
>> {
>> f();
>> puts("done");
>> return 0;
>> }
>> ```
>>
>> ```
>> $ clang -g addr.c ; objdump -d a.out | grep -B 3 puts | tail -n 4
>> 400556: e8 d5 ff ff ff callq 400530
>> 40055b: 48 bf 04 06 40 00 00movabs $0x400604,%rdi
>> 400562: 00 00 00
>> 400565: e8 a6 fe ff ff callq 400410
>> ```
>> `40055b` is corresponding to placing "done" in `%rdi`, so I expect it
>> to be associated to line of `puts("done")`. However, `addr2line
>> 40055b` shows the line of `f()`.
>>
>>
>> == ENV
>>
>> clang: clang version 3.8.1-svn271230-1~exp1 (branches/release_38)
>> addr2line: GNU addr2line (GNU Binutils for Ubuntu) 2.24
>
> Please dump out the raw line number information produced by clang,
> using "readelf -wl a.out". I think you will find that the problem is
> with clang, not addr2line.
>
> --
> Alan Modra
> Australia Development Lab, IBM
--
Best Regards
Yours faithfully
Albert Netymk
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