-----Original Message-----
From: Ben Combee [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, 19 December 2001 3:47 AM
To: Palm Developer Forum
Subject: Re: Reference to function address

> If MyFunc is in a different segment, the address is retrieved from the
> global jumptable, again using a constant offset, but now from the global
> register (usually A5).  The jumptable is structured as a series of JMP
> instructions, but the opcode can be skipped to get the actual address.

> You can get a relative value after compilation by looking at the linker
> map file, but that will only tell you how far into a segment the
> function is.  You can't determine the true location until runtime,
> because when your application isn't running, its segments are unlocked
> and may move around memory.

Are you sure this applies to PRC tools.

If you look at assembler code produced by GCC,
you migh find that it makes long call straight
away, without passing control to a jump table.

This is how it appears to me, though like Max,
I am much more confident with i386 assembler,

Michael

 
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