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[PATCH v2 4/6] Create a pseudo section for the ELF AUXV core dump note on FreeBSD.
- From: John Baldwin <jhb at FreeBSD dot org>
- To: gdb-patches at sourceware dot org
- Date: Thu, 23 Jun 2016 13:34:13 -0700
- Subject: [PATCH v2 4/6] Create a pseudo section for the ELF AUXV core dump note on FreeBSD.
- Authentication-results: sourceware.org; auth=none
- References: <20160623203415 dot 62681-1-jhb at FreeBSD dot org>
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 <jhb@FreeBSD.org>
+ * elf.c (elfcore_grok_freebsd_note): Handle NT_FREEBSD_PROCSTAT_AUXV
+ notes.
+
+2016-06-23 John Baldwin <jhb@FreeBSD.org>
+
* 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);
--
2.8.4