From: Andreas Schwab <schwab@linux-m68k.org>
Date: Mon, 21 May 2012 08:17:15 +0000 (+0000)
Subject: * elf32-m68k.c (elf_m68k_grok_prstatus): New function.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8bbeae90c581eef4bd6c060952c372dc8e7d7a75;p=binutils-gdb.git

* elf32-m68k.c (elf_m68k_grok_prstatus): New function.
(elf_m68k_grok_psinfo): New function.
(elf_backend_grok_prstatus): Define.
(elf_backend_grok_psinfo): Define.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index efa6cb7b4c4..a77a28c9ab0 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* elf32-m68k.c (elf_m68k_grok_prstatus): New function.
+	(elf_m68k_grok_psinfo): New function.
+	(elf_backend_grok_prstatus): Define.
+	(elf_backend_grok_psinfo): Define.
+
 2012-05-19  Maciej W. Rozycki  <macro@linux-mips.org>
 
 	* elf64-mips.c (elf_backend_got_header_size): Correct definition.
diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c
index bba4c791b27..573003bfb3c 100644
--- a/bfd/elf32-m68k.c
+++ b/bfd/elf32-m68k.c
@@ -4821,6 +4821,69 @@ elf_m68k_plt_sym_val (bfd_vma i, const asection *plt,
   return plt->vma + (i + 1) * elf_m68k_get_plt_info (plt->owner)->size;
 }
 
+/* Support for core dump NOTE sections.  */
+
+static bfd_boolean
+elf_m68k_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
+{
+  int offset;
+  size_t size;
+
+  switch (note->descsz)
+    {
+    default:
+      return FALSE;
+
+    case 154:		/* Linux/m68k */
+      /* pr_cursig */
+      elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
+
+      /* pr_pid */
+      elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, note->descdata + 22);
+
+      /* pr_reg */
+      offset = 70;
+      size = 80;
+
+      break;
+    }
+
+  /* Make a ".reg/999" section.  */
+  return _bfd_elfcore_make_pseudosection (abfd, ".reg",
+					  size, note->descpos + offset);
+}
+
+static bfd_boolean
+elf_m68k_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+  switch (note->descsz)
+    {
+    default:
+      return FALSE;
+
+    case 124:		/* Linux/m68k elf_prpsinfo.  */
+      elf_tdata (abfd)->core_pid
+	= bfd_get_32 (abfd, note->descdata + 12);
+      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 (n > 0 && command[n - 1] == ' ')
+      command[n - 1] = '\0';
+  }
+
+  return TRUE;
+}
+
 #define TARGET_BIG_SYM			bfd_elf32_m68k_vec
 #define TARGET_BIG_NAME			"elf32-m68k"
 #define ELF_MACHINE_CODE		EM_68K
@@ -4860,6 +4923,8 @@ elf_m68k_plt_sym_val (bfd_vma i, const asection *plt,
 #define elf_backend_reloc_type_class	elf32_m68k_reloc_type_class
 #define elf_backend_plt_sym_val		elf_m68k_plt_sym_val
 #define elf_backend_object_p		elf32_m68k_object_p
+#define elf_backend_grok_prstatus	elf_m68k_grok_prstatus
+#define elf_backend_grok_psinfo		elf_m68k_grok_psinfo
 
 #define elf_backend_can_gc_sections 1
 #define elf_backend_can_refcount 1