From: Daniel Jacobowitz <drow@false.org>
To: "H. J. Lu" <hjl@lucon.org>
Cc: gcc@gcc.gnu.org, GDB <gdb@sources.redhat.com>
Subject: Re: GDB 6.3 assumes that DW_AT_frame_base exists
Date: Thu, 30 Dec 2004 20:07:00 -0000 [thread overview]
Message-ID: <20041230200720.GA11027@nevyn.them.org> (raw)
In-Reply-To: <20041230195642.GA16984@lucon.org>
On Thu, Dec 30, 2004 at 11:56:42AM -0800, H. J. Lu wrote:
> DW_AT_frame_base may be needed for location lists of local variables.
> But in case of tls_symbolic_operand, there is no local variable.
> Location lists are used for function parameters.
Then why is GDB calling get_frame_base? It is only called for
DW_OP_fbreg. If we don't have a frame base, we don't know what
DW_OP_fbreg refers to.
GDB should issue an error instead of crashing, but that's as far as we
can go.
--
Daniel Jacobowitz
next prev parent reply other threads:[~2004-12-30 20:07 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-22 1:16 Is this a gcc, gdb or readelf bug? H. J. Lu
2004-12-22 11:09 ` Nick Clifton
2004-12-22 18:25 ` H. J. Lu
2004-12-23 3:43 ` Daniel Jacobowitz
2004-12-30 19:24 ` GDB 6.3 assumes that DW_AT_frame_base exists H. J. Lu
2004-12-30 19:36 ` H. J. Lu
2004-12-30 19:56 ` H. J. Lu
2004-12-30 20:07 ` Daniel Jacobowitz [this message]
2004-12-30 20:23 ` Gdb generates location list without DW_AT_frame_base H. J. Lu
2004-12-30 20:28 ` Daniel Jacobowitz
2004-12-30 20:52 ` Gdb generates DW_OP_fbreg in " H. J. Lu
2004-12-30 20:56 ` Gdb generates " Daniel Berlin
2004-12-30 21:05 ` H. J. Lu
2004-12-31 0:35 ` Daniel Berlin
2004-12-31 19:57 ` H. J. Lu
2004-12-31 20:09 ` Daniel Berlin
2004-12-31 20:11 ` H. J. Lu
2004-12-31 20:16 ` Daniel Berlin
[not found] ` <20041231163806.GA1335@lucon.org>
[not found] ` <Pine.LNX.4.60.0412311158280.27590@dberlin.org>
[not found] ` <20041231184405.GA2182@lucon.org>
[not found] ` <Pine.LNX.4.60.0412311451060.6844@dberlin.org>
[not found] ` <Pine.LNX.4.60.0412311509360.6844@dberlin.org>
[not found] ` <20041231215010.GA5722@lucon.org>
[not found] ` <20041231215443.GA5853@lucon.org>
[not found] ` <Pine.LNX.4.60.0412311656360.6844@dberlin.org>
[not found] ` <20041231220324.GA5987@lucon.org>
2005-01-01 19:15 ` gcc 4.0 " H. J. Lu
2005-01-01 20:09 ` Daniel Jacobowitz
2005-01-01 20:50 ` Daniel Berlin
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