GDB Search capabilities.. :)

[Eli Zaretskii]

> Date: Fri, 9 Mar 2001 00:01:27 +0700
> From: Fyodor <fygrave@tigerteam.net>
> 
> ..
> Add in commands like ADB's for searching for patterns, etc.  We should
> be able to examine and patch raw unsymboled binaries as well in gdb as
> we can in adb.  (E.g. increase the timeout in /bin/login without source).
> 
> and target.h:
> 
> #if 0
>     /* Enable this after 4.12.  */
>     /* Search target memory.  Start at STARTADDR and take LEN bytes of
>        target memory, and them with MASK, and compare to DATA.  If they
>        match, set *ADDR_FOUND to the address we found it at, store the data
>        we found at LEN bytes starting at DATA_FOUND, and return.  If
>        not, add INCREMENT to the search address and keep trying until
>        the search address is outside of the range [LORANGE,HIRANGE).
>        If we don't find anything, set *ADDR_FOUND to (CORE_ADDR)0 and
>        return.  */
>     void (*to_search) PARAMS ((int len, char *data, char *mask,
>                                CORE_ADDR startaddr, int increment,
>                                CORE_ADDR lorange, CORE_ADDR hirange,
>                                CORE_ADDR * addr_found, char *data_found));
> #define target_search(len, data, mask, startaddr, increment, lorange, hirange, addr_found, data_found)  \
>     (*current_target.to_search) (len, data, mask, startaddr, increment, \

FWIW, I was missing such a feature in GDB from day one.  Even DOS
DEBUG has something primitive to search memory for a given byte
sequence.