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[Bug gas/23809] Cannot add CFI insn to first address in FDE


From: amodra at gmail dot com
Subject: [Bug gas/23809] Cannot add CFI insn to first address in FDE
Date: Tue, 23 Oct 2018 20:43:16 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=23809

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |amodra at gmail dot com

--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
There is a way, just emit one of the following.

    if (i->insn == DW_CFA_advance_loc
        || i->insn == DW_CFA_remember_state
        || i->insn == CFI_escape
        || i->insn == CFI_val_encoded_addr
        || i->insn == CFI_label)

Not very tidy, I admit.  I'm wondering though if the fact you can put initial
instructions into the CIE is more a feature than a bug?

What were you wanting to put into the FDE?

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