Re: [RFA] Ignore DW_AT_ranges starting at zero if !has_section_at_zero

[asmwarrior <asmwarrior at gmail dot com>]

On 2012-7-13 6:50, Doug Evans wrote:
> Hi.
>
> I was root-causing an instance of
> "pc 0x2a in read in psymtab, but not in symtab"
> and found that it was caused by an address range of 0-75 being
> recorded in the psymtab addrmap but not the symtab addrmap.
>
> The discrepancy between the two addrmaps is a separate patch,
> as is whether we can just have one addrmap instead of two.
> This patch ignores address ranges that begin at zero if there
> is no section at zero to avoid populating the tables with bad data.
>
> Ok to check in?
>
> 2012-07-12  Doug Evans  <dje@google.com>
>
> 	* dwarf2read.c (dwarf2_ranges_read): Ignore ranges starting at zero if
> 	there's no section at address zero.
> 	(dwarf2_record_block_ranges): Ditto.

I tested your patch, it looks like the problem I reported in this comment:

http://sourceware.org/bugzilla/show_bug.cgi?id=8863#c3

was solved by this patch. Thanks.

asmwarrior