This is the mail archive of the
binutils@sources.redhat.com
mailing list for the binutils project.
Re: multi-threaded core files
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: binutils at sources dot redhat dot com
- Date: Wed, 29 Oct 2003 23:33:41 +1030
- Subject: Re: multi-threaded core files
- References: <20031029111650.GV2526@bubble.sa.bigpond.net.au>
On Wed, Oct 29, 2003 at 09:46:50PM +1030, Alan Modra wrote:
> I should really write elf_backend_grok_prstatus for ppc64.
* elf64-ppc.c (elf_backend_grok_prstatus): Define.
(elf_backend_grok_psinfo): Define.
(ppc64_elf_grok_prstatus, ppc64_elf_grok_psinfo): New functions.
Index: bfd/elf64-ppc.c
===================================================================
RCS file: /cvs/src/src/bfd/elf64-ppc.c,v
retrieving revision 1.132
diff -u -p -r1.132 elf64-ppc.c
--- bfd/elf64-ppc.c 23 Oct 2003 09:02:33 -0000 1.132
+++ bfd/elf64-ppc.c 29 Oct 2003 13:00:20 -0000
@@ -77,6 +77,8 @@ static bfd_reloc_status_type ppc64_elf_u
#define bfd_elf64_bfd_link_hash_table_free ppc64_elf_link_hash_table_free
#define elf_backend_object_p ppc64_elf_object_p
+#define elf_backend_grok_prstatus ppc64_elf_grok_prstatus
+#define elf_backend_grok_psinfo ppc64_elf_grok_psinfo
#define elf_backend_create_dynamic_sections ppc64_elf_create_dynamic_sections
#define elf_backend_copy_indirect_symbol ppc64_elf_copy_indirect_symbol
#define elf_backend_check_relocs ppc64_elf_check_relocs
@@ -2369,6 +2371,45 @@ ppc64_elf_object_p (bfd *abfd)
BFD_ASSERT (abfd->arch_info->bits_per_word == 64);
}
}
+ return TRUE;
+}
+
+/* Support for core dump NOTE sections. */
+
+static bfd_boolean
+ppc64_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
+{
+ size_t offset, raw_size;
+
+ if (note->descsz != 504)
+ return FALSE;
+
+ /* pr_cursig */
+ elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+
+ /* pr_pid */
+ elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 32);
+
+ /* pr_reg */
+ offset = 112;
+ raw_size = 384;
+
+ /* Make a ".reg/999" section. */
+ return _bfd_elfcore_make_pseudosection (abfd, ".reg",
+ raw_size, note->descpos + offset);
+}
+
+static bfd_boolean
+ppc64_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+ if (note->descsz != 136)
+ return FALSE;
+
+ elf_tdata (abfd)->core_program
+ = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16);
+ elf_tdata (abfd)->core_command
+ = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80);
+
return TRUE;
}
--
Alan Modra
IBM OzLabs - Linux Technology Centre