On Tue, 27 Feb 2007 23:19:13 +0100, Corey Ashford wrote:
...
> This business of the augmentation string in the CIE specifying a signal
> frame is news to me. I didn't see that in the 64-bit PowerPC ELF ABI or
> the DWARF 2.0 doc.
Neither found in DWARF 3 nor AMD64 ABI 0.98. It is just somehow known. :-)
> How does source code specify what augmentation > string to use in the CIE?
GAS supports it by its pseudo-op.
It is just a virtual boolean marked by the "S" char in the augmentation string.
7.19 `.cfi_signal_frame'
========================
Mark current function as signal trampoline.
Regards,
Jan
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