[Qemu-devel] Re: [PATCH 02/12] Return appropriate watch message to gdb

[Jan Kiszka <jan.kiszka@web.de>]

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Anthony Liguori wrote:
> Jan Kiszka wrote:
>> Return the appropriate type prefix (r, a, none) when reporting
>> watchpoint hits to the gdb front-end.
>>   
> 
> This doesn't build on it's own (there is no flags field in watchpoint).

Oh, typo while once moving this to the head of the queue: s/flags/type/.
Will fix, or reorder.

Jan

> 
> Regards,
> 
> Anthony Liguori
> 
>> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
>> ---
>>  gdbstub.c |   17 +++++++++++++++--
>>  1 file changed, 15 insertions(+), 2 deletions(-)
>>
>> Index: b/gdbstub.c
>> ===================================================================
>> --- a/gdbstub.c
>> +++ b/gdbstub.c
>> @@ -1493,6 +1493,7 @@ static void gdb_vm_stopped(void *opaque,
>>  {
>>      GDBState *s = opaque;
>>      char buf[256];
>> +    const char *type;
>>      int ret;
>>  
>>      if (s->state == RS_SYSCALL)
>> @@ -1503,8 +1504,20 @@ static void gdb_vm_stopped(void *opaque,
>>  
>>      if (reason == EXCP_DEBUG) {
>>          if (s->env->watchpoint_hit) {
>> -            snprintf(buf, sizeof(buf), "T%02xwatch:" TARGET_FMT_lx ";",
>> -                     SIGTRAP,
>> +            switch (s->env->watchpoint[s->env->watchpoint_hit -
>> 1].flags &
>> +                    (PAGE_READ | PAGE_WRITE)) {
>> +            case PAGE_READ:
>> +                type = "r";
>> +                break;
>> +            case PAGE_READ | PAGE_WRITE:
>> +                type = "a";
>> +                break;
>> +            default:
>> +                type = "";
>> +                break;
>> +            }
>> +            snprintf(buf, sizeof(buf), "T%02x%swatch:" TARGET_FMT_lx
>> ";",
>> +                     SIGTRAP, type,
>>                       s->env->watchpoint[s->env->watchpoint_hit -
>> 1].vaddr);
>>              put_packet(s, buf);
>>              s->env->watchpoint_hit = 0;
>>
>>
>>
>>   
> 
> 
> 
> 



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