From patchwork Thu Jun 23 20:34:13 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Baldwin X-Patchwork-Id: 13347 Received: (qmail 96405 invoked by alias); 23 Jun 2016 20:46:25 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Delivered-To: mailing list gdb-patches@sourceware.org Received: (qmail 96385 invoked by uid 89); 23 Jun 2016 20:46:24 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.4 required=5.0 tests=AWL, BAYES_00, SPF_HELO_PASS, SPF_SOFTFAIL autolearn=no version=3.3.2 spammy=AUXV, auxv X-HELO: bigwig.baldwin.cx Received: from bigwig.baldwin.cx (HELO bigwig.baldwin.cx) (96.47.65.170) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (CAMELLIA256-SHA encrypted) ESMTPS; Thu, 23 Jun 2016 20:46:23 +0000 Received: from ralph.com (c-73-231-226-104.hsd1.ca.comcast.net [73.231.226.104]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 4C8D3B9BE for ; Thu, 23 Jun 2016 16:39:04 -0400 (EDT) From: John Baldwin To: gdb-patches@sourceware.org Subject: [PATCH v2 4/6] Create a pseudo section for the ELF AUXV core dump note on FreeBSD. Date: Thu, 23 Jun 2016 13:34:13 -0700 Message-Id: <20160623203415.62681-5-jhb@FreeBSD.org> In-Reply-To: <20160623203415.62681-1-jhb@FreeBSD.org> References: <20160623203415.62681-1-jhb@FreeBSD.org> X-IsSubscribed: yes The procstat AUXV core dump note in FreeBSD consists of 32-bit integer followed by an array of auxiliary vector entries. bfd/ChangeLog: * elf.c (elfcore_grok_freebsd_note): Handle NT_FREEBSD_PROCSTAT_AUXV notes. --- bfd/ChangeLog | 5 +++++ bfd/elf.c | 14 ++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 597324a..043401e 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,10 @@ 2016-06-23 John Baldwin + * elf.c (elfcore_grok_freebsd_note): Handle NT_FREEBSD_PROCSTAT_AUXV + notes. + +2016-06-23 John Baldwin + * elf.c (elfcore_grok_note): Remove handling of NT_X86_XSTATE for FreeBSD. Remove case for NT_FREEBSD_THRMISC. (elfcore_grok_freebsd_psinfo): New function. diff --git a/bfd/elf.c b/bfd/elf.c index cfcafaa..cb4de50 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -9663,6 +9663,20 @@ elfcore_grok_freebsd_note (bfd *abfd, Elf_Internal_Note *note) else return TRUE; + case NT_FREEBSD_PROCSTAT_AUXV: + { + asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv", + SEC_HAS_CONTENTS); + + if (sect == NULL) + return FALSE; + sect->size = note->descsz - 4; + sect->filepos = note->descpos + 4; + sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32; + + return TRUE; + } + case NT_X86_XSTATE: if (note->namesz == 8) return elfcore_grok_xstatereg (abfd, note);