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allowing target to say which regs are pseudo regs
- To: gdb at sources dot redhat dot com
- Subject: allowing target to say which regs are pseudo regs
- From: Doug Evans <dje at transmeta dot com>
- Date: Thu, 5 Apr 2001 09:55:56 -0700
Would it make sense to allow a target to say which regs are pseudo regs?
i.e. make real_register() and pseudo_register() architecture-provided routines
[well, to be more precise, you'd just have one routine of course]
It seems rather clumsy to force a target to have registers
[0,NUM_REGS) be "real" regs and [NUM_REGS,NUM_REGS+NUM_PSEUDO_REGS)
be "pseudo" regs. What's the difference other than
targets get to provide their own read/write routines for pseudo regs?
One would want to replace NUM_REGS and NUM_PSEUDO_REGS with
just NUM_REGS [or some such], and there'd be a set of corresponding
changes throughout the sources.