From 67cc50334e1706a942ef711c8aa21106cfe4d94d Mon Sep 17 00:00:00 2001 From: Mark Kettenis Date: Wed, 18 Mar 2009 16:26:54 +0000 Subject: [PATCH] * elf.c (elfcore_grok_openbsd_procinfo) (elfcore_grok_openbsd_note): New functions. (elf_parse_notes): Handle notes from OpenBSD ELF core files. --- bfd/ChangeLog | 6 +++++ bfd/elf.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 75 insertions(+) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 341eae1a2b2..750b2e26192 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2009-03-18 Mark Kettenis + + * 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 * vms-hdr.c: Don't include alloca.h. diff --git a/bfd/elf.c b/bfd/elf.c index 8ca5ef9a62e..6aa6d1c6475 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -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)) -- 2.30.2