On Monday 02 June 2014 09:24:21 Arun Sharma wrote:
> On Mon, Jun 2, 2014 at 3:23 AM, Milian Wolff <[email protected]> wrote:
> > Looking at the backtrace for the return values I go
> > ...
> >
> > 0x400fff main in /home/milian/projects/kde4/mallocinfo/tests/test.cpp:66
> > /home/milian/projects/.build/kde4/mallocinfo/tests/test_cpp
> >
> > 0x7f0b689a1000 __libc_start_main /usr/lib/libc.so.6
> >
> > 0x400d29 ? /home/milian/projects/.build/kde4/mallocinfo/tests/test_cpp
> >
> > 0x0 <unknown module>
>
> On a system with recent glibc, you the unwind should terminate around
> __libc_start_main because of RBP=0.
> http://koala.cs.pub.ro/lxr/#glibc+2.9/sysdeps/x86_64/elf/start.S#L65
>
> What version of glibc are you using?
I'm using glibc 2.19-5 as supplied by the ArchLinux repositories. Where in the
Doing a objdump -D on a test executable yields:
Disassembly of section .text:
000000000043e110 <_start>:
43e110: 31 ed xor %ebp,%ebp
43e112: 49 89 d1 mov %rdx,%r9
43e115: 5e pop %rsi
43e116: 48 89 e2 mov %rsp,%rdx
43e119: 48 83 e4 f0 and $0xfffffffffffffff0,%rsp
43e11d: 50 push %rax
43e11e: 54 push %rsp
43e11f: 49 c7 c0 60 97 44 00 mov $0x449760,%r8
43e126: 48 c7 c1 f0 96 44 00 mov $0x4496f0,%rcx
43e12d: 48 c7 c7 9d e4 43 00 mov $0x43e49d,%rdi
43e134: e8 87 fd ff ff callq 43dec0 <__libc_start_main@plt>
43e139: f4 hlt
43e13a: 00 00 add %al,(%rax)
43e13c: 00 00 add %al,(%rax)
...
So... what now?
Bye
--
Milian Wolff
[email protected]
http://milianw.de
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