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* elf.c (elfcore_grok_openbsd_procinfo)

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(elfcore_grok_openbsd_note): New functions.
(elf_parse_notes): Handle notes from OpenBSD ELF core files.
This commit is contained in:
Mark Kettenis 2009-03-18 16:26:54 +00:00
parent 36dc683c52
commit 67cc50334e
2 changed files with 75 additions and 0 deletions
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6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2009-03-18 Mark Kettenis <kettenis@gnu.org>
* elf.c (elfcore_grok_openbsd_procinfo)
(elfcore_grok_openbsd_note): New functions.
(elf_parse_notes): Handle notes from OpenBSD ELF core files.
2009-03-18 Alan Modra <amodra@bigpond.net.au>
* vms-hdr.c: Don't include alloca.h.

69
bfd/elf.c
View File

@ -8110,6 +8110,70 @@ elfcore_grok_netbsd_note (bfd *abfd, Elf_Internal_Note *note)
/* NOTREACHED */
}
static bfd_boolean
elfcore_grok_openbsd_procinfo (bfd *abfd, Elf_Internal_Note *note)
{
/* Signal number at offset 0x08. */
elf_tdata (abfd)->core_signal
= bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x08);
/* Process ID at offset 0x20. */
elf_tdata (abfd)->core_pid
= bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + 0x20);
/* Command name at 0x48 (max 32 bytes, including nul). */
elf_tdata (abfd)->core_command
= _bfd_elfcore_strndup (abfd, note->descdata + 0x48, 31);
return TRUE;
}
static bfd_boolean
elfcore_grok_openbsd_note (bfd *abfd, Elf_Internal_Note *note)
{
if (note->type == NT_OPENBSD_PROCINFO)
return elfcore_grok_openbsd_procinfo (abfd, note);
if (note->type == NT_OPENBSD_REGS)
return elfcore_make_note_pseudosection (abfd, ".reg", note);
if (note->type == NT_OPENBSD_FPREGS)
return elfcore_make_note_pseudosection (abfd, ".reg2", note);
if (note->type == NT_OPENBSD_XFPREGS)
return elfcore_make_note_pseudosection (abfd, ".reg-xfp", note);
if (note->type == NT_OPENBSD_AUXV)
{
asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv",
SEC_HAS_CONTENTS);
if (sect == NULL)
return FALSE;
sect->size = note->descsz;
sect->filepos = note->descpos;
sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32;
return TRUE;
}
if (note->type == NT_OPENBSD_WCOOKIE)
{
asection *sect = bfd_make_section_anyway_with_flags (abfd, ".wcookie",
SEC_HAS_CONTENTS);
if (sect == NULL)
return FALSE;
sect->size = note->descsz;
sect->filepos = note->descpos;
sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32;
return TRUE;
}
return TRUE;
}
static bfd_boolean
elfcore_grok_nto_status (bfd *abfd, Elf_Internal_Note *note, long *tid)
{
@ -8597,6 +8661,11 @@ elf_parse_notes (bfd *abfd, char *buf, size_t size, file_ptr offset)
if (! elfcore_grok_netbsd_note (abfd, &in))
return FALSE;
}
else if (CONST_STRNEQ (in.namedata, "OpenBSD"))
{
if (! elfcore_grok_openbsd_note (abfd, &in))
return FALSE;
}
else if (CONST_STRNEQ (in.namedata, "QNX"))
{
if (! elfcore_grok_nto_note (abfd, &in))