Allow stubs without associated input section in ARM backend

[binutils-gdb.git] / bfd / bfd-in2.h

diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index ca0cafda5d58ee27106be6e9d967c1692886632a..dbb00e86979addca7ec42d04e515916ecbf45c09 100644 (file)
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -7,7 +7,7 @@
 
 /* Main header file for the bfd library -- portable access to object files.
 
-   Copyright (C) 1990-2015 Free Software Foundation, Inc.
+   Copyright (C) 1990-2016 Free Software Foundation, Inc.
 
    Contributed by Cygnus Support.
 
@@ -941,7 +941,8 @@ extern void elf32_arm_next_input_section
   (struct bfd_link_info *, struct bfd_section *);
 extern bfd_boolean elf32_arm_size_stubs
   (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
-   struct bfd_section * (*) (const char *, struct bfd_section *, unsigned int),
+   struct bfd_section * (*) (const char *, struct bfd_section *,
+                            struct bfd_section *, unsigned int),
    void (*) (void));
 extern bfd_boolean elf32_arm_build_stubs
   (struct bfd_link_info *);
@@ -968,10 +969,10 @@ extern void bfd_elf32_aarch64_init_maps
   (bfd *);
 
 extern void bfd_elf64_aarch64_set_options
-  (bfd *, struct bfd_link_info *, int, int, int, int, int);
+  (bfd *, struct bfd_link_info *, int, int, int, int, int, int);
 
 extern void bfd_elf32_aarch64_set_options
-  (bfd *, struct bfd_link_info *, int, int, int, int, int);
+  (bfd *, struct bfd_link_info *, int, int, int, int, int, int);
 
 /* ELF AArch64 mapping symbol support.  */
 #define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP       (1 << 0)
@@ -1501,7 +1502,7 @@ typedef struct bfd_section
       information.  */
   bfd_vma lma;
 
-  /* The size of the section in octets, as it will be output.
+  /* The size of the section in *octets*, as it will be output.
      Contains a value even if the section has no contents (e.g., the
      size of <<.bss>>).  */
   bfd_size_type size;
@@ -2174,6 +2175,7 @@ enum bfd_architecture
 #define bfd_mach_arc_arc601    4
 #define bfd_mach_arc_arc700    3
 #define bfd_mach_arc_arcv2     5
+#define bfd_mach_arc_nps400    6
  bfd_arch_m32c,     /* Renesas M16C/M32C.  */
 #define bfd_mach_m16c        0x75
 #define bfd_mach_m32c        0x78
@@ -3720,6 +3722,7 @@ pc-relative or some form of GOT-indirect relocation.  */
   BFD_RELOC_ARC_TLS_LE_32,
   BFD_RELOC_ARC_S25W_PCREL_PLT,
   BFD_RELOC_ARC_S21H_PCREL_PLT,
+  BFD_RELOC_ARC_NPS_CMEM16,
 
 /* ADI Blackfin 16 bit immediate absolute reloc.  */
   BFD_RELOC_BFIN_16_IMM,
@@ -6366,8 +6369,7 @@ typedef struct bfd_symbol
 #define BSF_EXPORT     BSF_GLOBAL /* No real difference.  */
 
   /* A normal C symbol would be one of:
-     <<BSF_LOCAL>>, <<BSF_COMMON>>,  <<BSF_UNDEFINED>> or
-     <<BSF_GLOBAL>>.  */
+     <<BSF_LOCAL>>, <<BSF_UNDEFINED>> or <<BSF_GLOBAL>>.  */
 
   /* The symbol is a debugging record. The value has an arbitrary
      meaning, unless BSF_DEBUGGING_RELOC is also set.  */
@@ -6379,7 +6381,9 @@ typedef struct bfd_symbol
 
   /* Used by the linker.  */
 #define BSF_KEEP               (1 << 5)
-#define BSF_KEEP_G             (1 << 6)
+
+  /* An ELF common symbol.  */
+#define BSF_ELF_COMMON         (1 << 6)
 
   /* A weak global symbol, overridable without warnings by
      a regular global symbol of the same name.  */
@@ -6571,7 +6575,7 @@ struct bfd
   ENUM_BITFIELD (bfd_direction) direction : 2;
 
   /* Format_specific flags.  */
-  flagword flags : 18;
+  flagword flags : 20;
 
   /* Values that may appear in the flags field of a BFD.  These also
      appear in the object_flags field of the bfd_target structure, where
@@ -6651,16 +6655,23 @@ struct bfd
   /* Compress sections in this BFD with SHF_COMPRESSED from gABI.  */
 #define BFD_COMPRESS_GABI 0x20000
 
+  /* Convert ELF common symbol type to STT_COMMON or STT_OBJECT in this
+     BFD.  */
+#define BFD_CONVERT_ELF_COMMON 0x40000
+
+  /* Use the ELF STT_COMMON type in this BFD.  */
+#define BFD_USE_ELF_STT_COMMON 0x80000
+
   /* Flags bits to be saved in bfd_preserve_save.  */
 #define BFD_FLAGS_SAVED \
   (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_PLUGIN \
-   | BFD_COMPRESS_GABI)
+   | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON)
 
   /* Flags bits which are for BFD use only.  */
 #define BFD_FLAGS_FOR_BFD_USE_MASK \
   (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \
    | BFD_PLUGIN | BFD_TRADITIONAL_FORMAT | BFD_DETERMINISTIC_OUTPUT \
-   | BFD_COMPRESS_GABI)
+   | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON)
 
   /* Is the file descriptor being cached?  That is, can it be closed as
      needed, and re-opened when accessed later?  */
@@ -7403,6 +7414,7 @@ typedef struct bfd_target
   NAME##_bfd_copy_link_hash_symbol_type, \
   NAME##_bfd_final_link, \
   NAME##_bfd_link_split_section, \
+  NAME##_bfd_link_check_relocs, \
   NAME##_bfd_gc_sections, \
   NAME##_bfd_lookup_section_flags, \
   NAME##_bfd_merge_sections, \
@@ -7444,6 +7456,9 @@ typedef struct bfd_target
   /* Should this section be split up into smaller pieces during linking.  */
   bfd_boolean (*_bfd_link_split_section) (bfd *, struct bfd_section *);
 
+  /* Check the relocations in the bfd for validity.  */
+  bfd_boolean (* _bfd_link_check_relocs)(bfd *, struct bfd_link_info *);
+
   /* Remove sections that are not referenced from the output.  */
   bfd_boolean (*_bfd_gc_sections) (bfd *, struct bfd_link_info *);
 
@@ -7556,6 +7571,12 @@ struct bfd_elf_version_tree * bfd_find_version_for_sym
 bfd_boolean bfd_hide_sym_by_version
    (struct bfd_elf_version_tree *verdefs, const char *sym_name);
 
+bfd_boolean bfd_link_check_relocs
+   (bfd *abfd, struct bfd_link_info *info);
+
+bfd_boolean _bfd_generic_link_check_relocs
+   (bfd *abfd, struct bfd_link_info *info);
+
 /* Extracted from simple.c.  */
 bfd_byte *bfd_simple_get_relocated_section_contents
    (bfd *abfd, asection *sec, bfd_byte *outbuf, asymbol **symbol_table);