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Re: [RFA] Clean up GAS line symbols for debugging assembly source
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: Michael Snyder <msnyder at cygnus dot com>
- Cc: binutils at sources dot redhat dot com, nickc at redhat dot com
- Date: Mon, 19 Nov 2001 16:47:38 +1030
- Subject: Re: [RFA] Clean up GAS line symbols for debugging assembly source
- References: <200111170154.fAH1sSq12665@reddwarf.cygnus.com>
On Fri, Nov 16, 2001 at 05:54:28PM -0800, Michael Snyder wrote:
>
> *** dwarf2dbg.c 2001/09/27 10:00:53 1.24
> + /* Don't emit sequences of line symbols for the same line. */
> + if (line == loc->line && filenum == loc->filenum)
> + return;
> +
> + line = loc->line;
> + filenum = loc->filenum;
Hmm. How does this play together with dwarf2dbg.c:877 ?
/* Don't try to optimize away redundant entries; gdb wants two
entries for a function where the code starts on the same line as
the {, and there's no way to identify that case here. Trust gcc
to optimize appropriately. */
if (1 /* line != e->loc.line || changed */)
{