[bfd] Extract and store GNU Infinity notes we find

gbenson · Nov 16, 2015 · 8360d52 · 8360d52
1 parent e18716e
commit 8360d52
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diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
@@ -1591,6 +1591,14 @@ struct sdt_note
   bfd_byte data[1];
 };
 
+/* A GNU Infinity note.  */
+struct elf_infinity_note
+{
+  struct elf_infinity_note *next;
+  size_t size;
+  bfd_byte data[0];
+};
+
 /* tdata information grabbed from an elf core file.  */
 struct core_elf_obj_tdata
 {
@@ -1742,6 +1750,11 @@ struct elf_obj_tdata
      in the list.  */
   struct sdt_note *sdt_note_head;
 
+  /* Linked list containing information about every GNU Infinity
+     note found in the object file.  Each note corresponds to one
+     entry in the list.  */
+  struct elf_infinity_note *infinity_note_head;
+
   Elf_Internal_Shdr **group_sect_ptr;
   int num_group;
 

diff --git a/bfd/elf.c b/bfd/elf.c
@@ -9249,6 +9249,25 @@ elfobj_grok_gnu_build_id (bfd *abfd, Elf_Internal_Note *note)
   return TRUE;
 }
 
+static bfd_boolean
+elfobj_grok_gnu_infinity (bfd *abfd, Elf_Internal_Note *note)
+{
+  struct elf_infinity_note *cur;
+
+  if (note->descsz == 0)
+    return FALSE;
+
+  cur = bfd_alloc (abfd, sizeof (struct elf_infinity_note) + note->descsz);
+
+  cur->next = elf_tdata (abfd)->infinity_note_head;
+  cur->size = note->descsz;
+  memcpy (cur->data, note->descdata, note->descsz);
+
+  elf_tdata (abfd)->infinity_note_head = cur;
+
+  return TRUE;
+}
+
 static bfd_boolean
 elfobj_grok_gnu_note (bfd *abfd, Elf_Internal_Note *note)
 {
@@ -9259,6 +9278,9 @@ elfobj_grok_gnu_note (bfd *abfd, Elf_Internal_Note *note)
 
     case NT_GNU_BUILD_ID:
       return elfobj_grok_gnu_build_id (abfd, note);
+
+    case NT_GNU_INFINITY:
+      return elfobj_grok_gnu_infinity (abfd, note);
     }
 }