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Re: target/6434: Thumb compilation produces no DWARF FDE instructions
- From: "Francisco Moraes" <fmoraes at nc dot rr dot com>
- To: <rearnsha at gcc dot gnu dot org>,<fmoraes at nc dot rr dot com>,<gcc-bugs at gcc dot gnu dot org>,<gcc-prs at gcc dot gnu dot org>,<nobody at gcc dot gnu dot org>,<gcc-gnats at gcc dot gnu dot org>
- Date: Wed, 24 Apr 2002 09:58:25 -0400
- Subject: Re: target/6434: Thumb compilation produces no DWARF FDE instructions
- References: <20020424130941.5911.qmail@sources.redhat.com>
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
>