libffi unwinder data

Wed Jun 6 01:49:00 GMT 2001

Richard Henderson writes:
 > On Tue, Jun 05, 2001 at 10:29:00AM +0100, Andrew Haley wrote:
 > > This reminds me of something. I've been wondering if it is worth
 > > adding unwinder directives to gas rather than doing it all as .byte
 > > commands in gcc...
 > 
 > Well, for plain assembler, Alpha actually has enough information with
 > the .frame, .mask, .fmask, and .prologue directives to construct the
 > entire .eh_frame (or .debug_frame) section itself.
Ah, I knew that there was some useful information there, but I didn't
know it was sufficient for all cases. That's definitely worth looking
at, as the "do it by hand" method is very error prone.
Andew.