Re: [Qemu-devel] Re: [PATCH] x86_64 debug registers for gdb

[Jan Kiszka]

Paul Brook wrote:
> On Thursday 19 April 2007 22:30, Jan Kiszka wrote:
>> +    registers[_GP_REGS+2] = env->segs[R_CS].selector;
>> +    registers[_GP_REGS+3] = env->segs[R_SS].selector;
>> +    registers[_GP_REGS+4] = env->segs[R_DS].selector;
>> +    registers[_GP_REGS+5] = env->segs[R_ES].selector;
>> +    registers[_GP_REGS+6] = env->segs[R_FS].selector;
>> +    registers[_GP_REGS+7] = env->segs[R_GS].selector;
>>
>> +    registers[_FPCTL_OFS] = env->fpuc;
>> +    registers[_FPCTL_OFS+1] = fpus;
>> +    registers[_FPCTL_OFS+2] = 0; /* XXX: convert tags */
>> +    registers[_FPCTL_OFS+3] = 0; /* fiseg */
>> +    registers[_FPCTL_OFS+4] = 0; /* fioff */
>> +    registers[_FPCTL_OFS+5] = 0; /* foseg */
>> +    registers[_FPCTL_OFS+6] = 0; /* fooff */
>> +    registers[_FPCTL_OFS+7] = 0; /* fop */
>> +    for (i = _FPCTL_OFS; i < _FPCTL_OFS+8; i++)
>>          tswapls(&registers[i]);
> 
> These are all wrong on x86-64.
> 

Then what about pointing me to the correct information to fix this, hmm?
 I browsed gdb code and docs but found no obvious packet format
description. Constructive help is welcome, likely I'm just blind.

Jan

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