like this:
in gdb:
137 while(fgets(buff, PATH_MAX, p_file)){
(gdb) //when i press n, ...... there's no n,it's dead -_-!
my shell is valgrind --tool=memcheck --leak-check=yes --vgdb-error=0
--smc-check=all --max-stackframe=8388608 ./my_elf [ args ]
2012/2/23 jee <houjm...@gmail.com>
> i try the -smc-check=all & -smc-check=all-non-file
> and also deadly lock
> if disable the assambly code, the code running fine with valgrind
>
> 2012/2/23 jee <houjm...@gmail.com>
>>
>>
>> 2012/2/23 Eliot Moss <m...@cs.umass.edu>
>>
>>> On 2/23/2012 7:51 AM, jee wrote:
>>>
>>>> My code change itself with running, and, I use
>>>> VALGRIND_DISCARD_TRANSLATIONS with I changed the
>>>> function's assembly code.
>>>>
>>>> and my code is pure C++. i rewrite the assembly code like this:
>>>> inline hook:
>>>> mov addr, %rax
>>>> jmp *%rax
>>>> I insert this assembly code to the begin of functions,
>>>>
>>>> I can run my elf fine. but with valgrind, the code's behavior
>>>> is....random. mostly, it goto deadly lock.
>>>>
>>>
>>> You have self-modifying code, so probably need to specify
>>> some flavor of the --smc-check option to valgrind. See the
>>> man page :-) ...
>>>
>>> Best wishes -- Eliot Moss
>>>
>>
>>
>
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