target/6434: Thumb compilation produces no DWARF FDE instructions

[Francisco Moraes]

Hi,

One thing I noticed as well is that GCC does not produce a lot of FDE
instructions other than those for the prologue. Is this the way GCC
operates?

Francisco
----- Original Message -----
From: <rearnsha@gcc.gnu.org>
To: <fmoraes@nc.rr.com>; <gcc-bugs@gcc.gnu.org>; <gcc-prs@gcc.gnu.org>;
<nobody@gcc.gnu.org>
Sent: Wednesday, April 24, 2002 9:09 AM
Subject: Re: target/6434: Thumb compilation produces no DWARF FDE
instructions


> Synopsis: Thumb compilation produces no DWARF FDE instructions
>
> State-Changed-From-To: open->analyzed
> State-Changed-By: rearnsha
> State-Changed-When: Wed Apr 24 06:09:40 2002
> State-Changed-Why:
>     Confirmed.  The Thumb prologue expansion code does not annotate
>     the prologue instructions to inform the debug table generator
>     that they are related to the frame creation.  A further problem
>     is that not all of the prologue is expanded into RTL (it's
>     written directly to the assembly file); this will have to be
>     rectified before the dwarf annotations will be correct.
>
>
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&p
r=6434
>