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[deliverable/binutils-gdb.git] / bfd / elf-bfd.h

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 6bebbbef27e56713772bd9f8e2860c56b54d5c92..9e3d6f5fed810c59836b69cffeb62290a44c5f2e 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1,5 +1,5 @@
 /* BFD back-end data structures for ELF files.
-   Copyright (C) 1992-2016 Free Software Foundation, Inc.
+   Copyright (C) 1992-2017 Free Software Foundation, Inc.
    Written by Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -342,6 +342,10 @@ struct eh_cie_fde
         make_per_encoding_relative is.  */
       unsigned int per_encoding_relative : 1;
 
+      /* True if the CIE contains personality data aligned to a
+        multiple of eight bytes.  */
+      unsigned int per_encoding_aligned8 : 1;
+
       /* True if we need to add an 'R' (FDE encoding) entry to the
         CIE's augmentation data.  */
       unsigned int add_fde_encoding : 1;
@@ -350,7 +354,7 @@ struct eh_cie_fde
       unsigned int merged : 1;
 
       /* Unused bits.  */
-      unsigned int pad1 : 18;
+      unsigned int pad1 : 17;
     } cie;
   } u;
   unsigned int reloc_index;
@@ -467,6 +471,7 @@ enum elf_target_id
   OR1K_ELF_DATA,
   PPC32_ELF_DATA,
   PPC64_ELF_DATA,
+  PRU_ELF_DATA,
   S390_ELF_DATA,
   SH_ELF_DATA,
   SPARC_ELF_DATA,
@@ -477,6 +482,7 @@ enum elf_target_id
   XGATE_ELF_DATA,
   TILEGX_ELF_DATA,
   TILEPRO_ELF_DATA,
+  RISCV_ELF_DATA,
   GENERIC_ELF_DATA
 };
 
@@ -594,6 +600,10 @@ struct elf_link_hash_table
   asection *srelgot;
   asection *splt;
   asection *srelplt;
+  asection *sdynbss;
+  asection *srelbss;
+  asection *sdynrelro;
+  asection *sreldynrelro;
   asection *igotplt;
   asection *iplt;
   asection *irelplt;
@@ -1076,6 +1086,11 @@ struct elf_backend_data
   bfd_boolean (*elf_backend_modify_program_headers)
     (bfd *, struct bfd_link_info *);
 
+  /* This function is called to see if the PHDR header should be
+     checked for validity.  */
+  bfd_boolean (*elf_backend_allow_non_load_phdr)
+    (bfd *,  const Elf_Internal_Phdr *, unsigned);
+
   /* This function is called before section garbage collection to
      mark entry symbol sections.  */
   void (*gc_keep)
@@ -1326,7 +1341,7 @@ struct elf_backend_data
      Elf_Internal_Shdr *osection);
                
   /* Used to handle bad SHF_LINK_ORDER input.  */
-  bfd_error_handler_type link_order_error_handler;
+  void (*link_order_error_handler) (const char *, ...);
 
   /* Name of the PLT relocation section.  */
   const char *relplt_name;
@@ -1426,6 +1441,10 @@ struct elf_backend_data
      backend relocate_section routine for relocatable linking.  */
   unsigned rela_normal : 1;
 
+  /* Set if DT_REL/DT_RELA/DT_RELSZ/DT_RELASZ should not include PLT
+     relocations.  */
+  unsigned dtrel_excludes_plt : 1;
+
   /* TRUE if addresses "naturally" sign extend.  This is used when
      swapping in from Elf32 when BFD64.  */
   unsigned sign_extend_vma : 1;
@@ -1439,12 +1458,17 @@ struct elf_backend_data
   unsigned can_refcount : 1;
   unsigned want_got_sym : 1;
   unsigned want_dynbss : 1;
+  unsigned want_dynrelro : 1;
 
   /* Targets which do not support physical addressing often require
      that the p_paddr field in the section header to be set to zero.
      This field indicates whether this behavior is required.  */
   unsigned want_p_paddr_set_to_zero : 1;
 
+  /* Target has broken hardware and/or kernel that requires pages not
+     to be mapped twice with different permissions.  */
+  unsigned no_page_alias : 1;
+
   /* True if an object file lacking a .note.GNU-stack section
      should be assumed to be requesting exec stack.  At least one
      other file in the link needs to have a .note.GNU-stack section
@@ -2392,7 +2416,7 @@ extern unsigned int _bfd_elf_ppc_at_tprel_transform
 /* PowerPC elf_object_p tweak.  */
 extern bfd_boolean _bfd_elf_ppc_set_arch (bfd *);
 /* PowerPC .gnu.attributes handling common to both 32-bit and 64-bit.  */
-extern void _bfd_elf_ppc_merge_fp_attributes (bfd *, bfd *);
+extern void _bfd_elf_ppc_merge_fp_attributes (bfd *, struct bfd_link_info *);
 
 /* Exported interface for writing elf corefile notes.  */
 extern char *elfcore_write_note
@@ -2508,7 +2532,8 @@ extern char *_bfd_elf_attr_strdup (bfd *, const char *);
 extern void _bfd_elf_copy_obj_attributes (bfd *, bfd *);
 extern int _bfd_elf_obj_attrs_arg_type (bfd *, int, unsigned int);
 extern void _bfd_elf_parse_attributes (bfd *, Elf_Internal_Shdr *);
-extern bfd_boolean _bfd_elf_merge_object_attributes (bfd *, bfd *);
+extern bfd_boolean _bfd_elf_merge_object_attributes
+  (bfd *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_merge_unknown_attribute_low (bfd *, bfd *, int);
 extern bfd_boolean _bfd_elf_merge_unknown_attribute_list (bfd *, bfd *);
 extern Elf_Internal_Shdr *_bfd_elf_single_rel_hdr (asection *sec);