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[elf64-hppa] Add grok_{prstatus,psinfo} methods


This adds the grok_prstatus/psinfo methods for the elf64-hppa target for Linux core dumps.

Tested on hppa64-gnu-linux. Please commit if okay.

randolph
2005-12-22  Randolph Chung  <tausq@debian.org>

	* elf64-hppa.c (elf64_hppa_grok_prstatus): New function.
	(elf64_hppa_grok_psinfo): Likewise.
	(elf_backend_grok_pstatus, elf_backend_grok_psinfo): Define.

Index: elf64-hppa.c
===================================================================
RCS file: /cvs/src/src/bfd/elf64-hppa.c,v
retrieving revision 1.67
diff -u -p -r1.67 elf64-hppa.c
--- elf64-hppa.c	4 Dec 2005 14:58:11 -0000	1.67
+++ elf64-hppa.c	22 Dec 2005 15:51:21 -0000
@@ -2542,6 +2542,67 @@ elf64_hppa_finish_dynamic_sections (outp
   return TRUE;
 }
 
+/* Support for core dump NOTE sections.  */
+
+static bfd_boolean
+elf64_hppa_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
+{
+  int offset;
+  size_t size;
+
+  switch (note->descsz)
+    {
+      default:
+	return FALSE;
+
+      case 760:		/* 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 + 32);
+
+	/* pr_reg */
+	offset = 112;
+	size = 640;
+
+	break;
+    }
+
+  /* Make a ".reg/999" section.  */
+  return _bfd_elfcore_make_pseudosection (abfd, ".reg",
+					  size, note->descpos + offset);
+}
+
+static bfd_boolean
+elf64_hppa_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+  switch (note->descsz)
+    {
+      default:
+	return FALSE;
+
+      case 136:		/* Linux/hppa elf_prpsinfo.  */
+	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);
+    }
+
+  /* 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;
+}
+
 /* Return the number of additional phdrs we will need.
 
    The generic ELF code only creates PT_PHDRs for executables.  The HP
@@ -2775,6 +2836,8 @@ const struct elf_size_info hppa64_elf_si
 					elf64_hppa_finish_dynamic_symbol
 #define elf_backend_finish_dynamic_sections \
 					elf64_hppa_finish_dynamic_sections
+#define elf_backend_grok_prstatus	     elf64_hppa_grok_prstatus
+#define elf_backend_grok_psinfo		     elf64_hppa_grok_psinfo
 
 /* Stuff for the BFD linker: */
 #define bfd_elf64_bfd_link_hash_table_create \

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