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[patch] add hppa-linux corefile support
- From: Randolph Chung <randolph at tausq dot org>
- To: binutils at sources dot redhat dot com
- Date: Mon, 22 Nov 2004 14:37:25 -0800
- Subject: [patch] add hppa-linux corefile support
- Reply-to: Randolph Chung <randolph at tausq dot org>
this patch teaches elf32-hppa.c about hppa-linux corefiles. Useful for
tools like gdb.
Tested with gdb-6.3. Please apply if ok.
randolph
2004-11-22 Randolph Chung <tausq@debian.org>
* elf32-hppa.c (elf32_hppa_grok_prstatus): New function.
(elf32_hppa_grok_psinfo): New function.
(elf_backend_grok_prstatus): Define.
(elf_backend_grok_psinfo): Define.
Index: elf32-hppa.c
===================================================================
RCS file: /cvs/src/src/bfd/elf32-hppa.c,v
retrieving revision 1.123
diff -u -p -r1.123 elf32-hppa.c
--- elf32-hppa.c 21 Oct 2004 15:28:21 -0000 1.123
+++ elf32-hppa.c 22 Nov 2004 22:33:21 -0000
@@ -1600,6 +1600,68 @@ elf32_hppa_gc_sweep_hook (bfd *abfd,
return TRUE;
}
+
+/* Support for core dump NOTE sections. */
+
+static bfd_boolean
+elf32_hppa_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
+{
+ int offset;
+ size_t size;
+
+ switch (note->descsz)
+ {
+ default:
+ return FALSE;
+
+ case 396: /* Linux/hppa */
+ /* 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 + 24);
+
+ /* pr_reg */
+ offset = 72;
+ size = 320;
+
+ break;
+ }
+
+ /* Make a ".reg/999" section. */
+ return _bfd_elfcore_make_pseudosection (abfd, ".reg",
+ size, note->descpos + offset);
+}
+
+static bfd_boolean
+elf32_hppa_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+ switch (note->descsz)
+ {
+ default:
+ return FALSE;
+
+ case 124: /* Linux/hppa elf_prpsinfo. */
+ elf_tdata (abfd)->core_program
+ = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
+ elf_tdata (abfd)->core_command
+ = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
+ }
+
+ /* Note that for some reason, a spurious space is tacked
+ onto the end of the args in some (at least one anyway)
+ implementations, so strip it off if it exists. */
+ {
+ char *command = elf_tdata (abfd)->core_command;
+ int n = strlen (command);
+
+ if (0 < n && command[n - 1] == ' ')
+ command[n - 1] = '\0';
+ }
+
+ return TRUE;
+}
+
/* Our own version of hide_symbol, so that we can keep plt entries for
plabels. */
@@ -4165,6 +4227,8 @@ elf32_hppa_elf_get_symbol_type (Elf_Inte
#define elf_backend_size_dynamic_sections elf32_hppa_size_dynamic_sections
#define elf_backend_gc_mark_hook elf32_hppa_gc_mark_hook
#define elf_backend_gc_sweep_hook elf32_hppa_gc_sweep_hook
+#define elf_backend_grok_prstatus elf32_hppa_grok_prstatus
+#define elf_backend_grok_psinfo elf32_hppa_grok_psinfo
#define elf_backend_object_p elf32_hppa_object_p
#define elf_backend_final_write_processing elf_hppa_final_write_processing
#define elf_backend_post_process_headers elf32_hppa_post_process_headers
--
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/