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| author | Mark Kettenis <kettenis@gnu.org> | 2009-03-18 16:26:54 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@gnu.org> | 2009-03-18 16:26:54 +0000 |
| commit | 67cc50334e1706a942ef711c8aa21106cfe4d94d (patch) | |
| tree | 7b7c241442afb2ea4c811664a925118d15b912bb | |
| parent | 36dc683c524086a6ed9b74375d6501a33e875182 (diff) | |
| download | gdb-67cc50334e1706a942ef711c8aa21106cfe4d94d.zip gdb-67cc50334e1706a942ef711c8aa21106cfe4d94d.tar.gz gdb-67cc50334e1706a942ef711c8aa21106cfe4d94d.tar.bz2 | |
* elf.c (elfcore_grok_openbsd_procinfo)
(elfcore_grok_openbsd_note): New functions.
(elf_parse_notes): Handle notes from OpenBSD ELF core files.
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elf.c | 69 |
2 files changed, 75 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 341eae1..750b2e2 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -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. @@ -8111,6 +8111,70 @@ elfcore_grok_netbsd_note (bfd *abfd, Elf_Internal_Note *note) } 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) { void *ddata = note->descdata; @@ -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)) |