This is the mail archive of the gdb@sourceware.cygnus.com mailing list for the GDB project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

Re: IA32: printing FP register variables


> At each instruction, the invariant that a is 0 from the bottom and b is 1
> from the bottom holds.  Note, the bottom of the stack can be known by the
> debugger via scanning the FPU tag word from the TOP element looking for a FP
> register that is empty.  All this info is provided by an FSAVE or FSTENV.

That could work, but what if you happen to have all eight registers in
use?
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]