diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index fca9b33e3..bd1418177 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,9 @@
+2006-02-10  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR binutils/2258
+	* internal.h (ELF_IS_SECTION_IN_SEGMENT_FILE): New.
+	(ELF_IS_SECTION_IN_SEGMENT_MEMORY): Likewise.
+
 2006-02-07  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* m68k.h (EF_CPU32, EF_M68000, EF_CFV4E): Rename to ...
diff --git a/include/elf/internal.h b/include/elf/internal.h
index 7e13d54a9..e4eba7d6c 100644
--- a/include/elf/internal.h
+++ b/include/elf/internal.h
@@ -251,4 +251,29 @@ struct elf_segment_map
   asection *sections[1];
 };
 
+/* Decide if the given sec_hdr is in the given segment in file.  */
+#define ELF_IS_SECTION_IN_SEGMENT_FILE(sec_hdr, segment)	\
+  (sec_hdr->sh_size > 0						\
+   /* PT_TLS segment contains only SHF_TLS sections.  */	\
+   && (segment->p_type != PT_TLS				\
+       || (sec_hdr->sh_flags & SHF_TLS) != 0)			\
+   /* Compare allocated sec_hdrs by VMA, unallocated sec_hdrs	\
+      by file offset.  */					\
+   && (sec_hdr->sh_flags & SHF_ALLOC				\
+       ? (sec_hdr->sh_addr >= segment->p_vaddr			\
+	  && sec_hdr->sh_addr + sec_hdr->sh_size		\
+	  <= segment->p_vaddr + segment->p_memsz)		\
+       : ((bfd_vma) sec_hdr->sh_offset >= segment->p_offset	\
+	  && (sec_hdr->sh_offset + sec_hdr->sh_size		\
+	      <= segment->p_offset + segment->p_filesz))))
+
+/* Decide if the given sec_hdr is in the given segment in memory.  */
+#define ELF_IS_SECTION_IN_SEGMENT_MEMORY(sec_hdr, segment)	\
+  (ELF_IS_SECTION_IN_SEGMENT_FILE (sec_hdr, segment)		\
+   /* .tbss is special.  It doesn't contribute memory space to	\
+      normal segments.  */					\
+   && (!((sec_hdr->sh_flags & SHF_TLS) != 0			\
+	 && sec_hdr->sh_type == SHT_NOBITS)			\
+       || segment->p_type == PT_TLS))
+
 #endif /* _ELF_INTERNAL_H */