From: Tom Tromey <tromey@redhat.com>
To: Tristan Gingold <gingold@adacore.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH 3/4] aix: add support for dwarf2.
Date: Tue, 24 May 2011 13:37:00 -0000 [thread overview]
Message-ID: <m37h9g2paz.fsf@fleche.redhat.com> (raw)
In-Reply-To: <5EE240AB-A6C1-4925-92D2-E0C0BCFCC43B@adacore.com> (Tristan Gingold's message of "Tue, 24 May 2011 09:20:01 +0200")
>>>>> "Tristan" == Tristan Gingold <gingold@adacore.com> writes:
Tristan> + if (this_symtab_psymtab == NULL)
Tristan> + return;
Tom> I don't understand this change.
Tristan> This is just a guard. process_linenos (called by
Tristan> aix_process_linenos) will dereference this_symtab_psymtab,
Tristan> which is set by read_xcoff_symtab. However, if the psymtab is
Tristan> built by dwarf2, the variable will never be initialized.
Tristan> Do you think the issue is somewhere else ?
It is very unclear to me whether this can be non-NULL even with DWARF.
In the DWARF case wouldn't the line information come from the DWARF line
table? In which case it seems like xcoffread.c should have a second
struct sym_fns, with a NULL entry for this method.
Tom
next prev parent reply other threads:[~2011-05-24 13:37 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-23 10:29 [RFA] Add dwarf2 support to xcoff (aix) Tristan Gingold
2011-05-23 10:29 ` [PATCH 2/4] dwarf2read.c: handle alternate dwarf2 debug sections name Tristan Gingold
2011-05-23 15:22 ` Tom Tromey
2011-05-23 15:32 ` Tristan Gingold
2011-05-23 15:40 ` Tom Tromey
2011-05-26 7:48 ` Tristan Gingold
2011-05-23 10:29 ` [PATCH 4/4] bfd.c: hancle aixcoff in bfd_get_sign_extend_vma Tristan Gingold
2011-05-23 10:29 ` [PATCH 1/4] Really make dwarf2_get_section_info public Tristan Gingold
2011-05-23 15:15 ` Tom Tromey
2011-05-24 12:41 ` Tristan Gingold
2011-05-23 10:35 ` [PATCH 3/4] aix: add support for dwarf2 Tristan Gingold
2011-05-23 15:35 ` Tom Tromey
2011-05-23 15:42 ` Tom Tromey
2011-05-23 15:47 ` Tristan Gingold
2011-05-23 15:50 ` Tom Tromey
2011-05-24 7:20 ` Tristan Gingold
2011-05-24 13:37 ` Tom Tromey [this message]
2011-05-24 13:44 ` Tristan Gingold
2011-05-24 14:56 ` Tom Tromey
2011-05-24 15:11 ` Tristan Gingold
2011-06-01 15:37 ` Tristan Gingold
2011-06-02 19:11 ` Tom Tromey
2011-06-07 12:32 ` Tristan Gingold
2011-05-23 16:00 ` [RFA] Add dwarf2 support to xcoff (aix) Yao Qi
2011-05-24 7:06 ` Tristan Gingold
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