Re: [RFC] Display exact entered expression for watchpoints

[Pierre Muller <muller@ics.u-strasbg.fr>]

At 20:53 14/11/2002, Daniel Jacobowitz wrote:
>On Thu, Nov 14, 2002 at 12:00:18PM +0100, Pierre Muller wrote:
>>  When I watch a memory location,
>> I almost always use hexadecimal notation.
>> 
>> For instance lets say that I want to watch 
>> the memory containing the value of gdb_stderr
>> On my linux box 
>> (top-gdb)p &gdb_stderr
>> returns
>> $1 = (struct ui_file **) 0x823b5cc
>> (ok, here I could simply use 'watch gdb_stderr,
>> but in some other cases like dynamically allocated memory I can't).
>> if I enter
>> (top-gdb) watch *0x823b5cc
>> Hardware watchpoint 3: *136558028
>> (top-gdb) inf b
>> Num Type           Disp Enb Address    What
>> 1   breakpoint     keep y   0x080f0d79 in internal_error
>>                                        at ../../src/origdb/utils.c:810
>> 2   breakpoint     keep y   0x080783eb in info_command
>>                                        at ../../src/origdb/cli/cli-cmds.c:202
>>         silent
>>         return
>> 3   hw watchpoint  keep y              *136558028
>> (top-gdb)
>> 
>> 
>> After my patch, I get
>> (top-gdb) watch *0x823b5cc
>> Hardware watchpoint 3: *0x823b5cc
>> (top-gdb) inf b
>> Num Type           Disp Enb Address    What
>> 1   breakpoint     keep y   0x080f0d79 in internal_error
>>                                        at ../../src/origdb/utils.c:810
>> 2   breakpoint     keep y   0x080783eb in info_command
>>                                        at ../../src/origdb/cli/cli-cmds.c:202
>>         silent
>>         return
>> 3   hw watchpoint  keep y              *0x823b5cc
>> 
>> 
>> I really prefer the later,
>
>
>I like this behavior a lot better too; I see the number and get
>hopelessly confused as to what I'm watching :)  Michael, Jim, do you
>think this will cause any problems?  Watch doesn't take an implicit
>argument the way that break does, so a string should always be
>available.

So, I think that after looking into the MAINTAINERS file,
I need approval from either Jim Blandy or Michael Snyder
on this RFC.

Original RFC is
http://sources.redhat.com/ml/gdb-patches/2002-11/msg00409.html