Several fixes related to ARC PIE support.
[deliverable/binutils-gdb.git] / bfd / elf32-sparc.c
index 187d46698d54f5fbd55192553f05711921e7348a..0e0d90cc8b6c7f372f332c957fb0bf2bfc43ada8 100644 (file)
@@ -1,6 +1,5 @@
 /* SPARC-specific support for 32-bit ELF
-   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-   2003, 2004, 2005, 2006, 2007, 2010 Free Software Foundation, Inc.
+   Copyright (C) 1993-2016 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -40,16 +39,16 @@ elf32_sparc_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
       return FALSE;
 
     case 260:                  /* Solaris prpsinfo_t.  */
-      elf_tdata (abfd)->core_program
+      elf_tdata (abfd)->core->program
        = _bfd_elfcore_strndup (abfd, note->descdata + 84, 16);
-      elf_tdata (abfd)->core_command
+      elf_tdata (abfd)->core->command
        = _bfd_elfcore_strndup (abfd, note->descdata + 100, 80);
       break;
 
     case 336:                  /* Solaris psinfo_t.  */
-      elf_tdata (abfd)->core_program
+      elf_tdata (abfd)->core->program
        = _bfd_elfcore_strndup (abfd, note->descdata + 88, 16);
-      elf_tdata (abfd)->core_command
+      elf_tdata (abfd)->core->command
        = _bfd_elfcore_strndup (abfd, note->descdata + 104, 80);
       break;
     }
@@ -110,7 +109,7 @@ elf32_sparc_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
       return FALSE;
     }
 
-  return TRUE;
+  return _bfd_sparc_elf_merge_private_bfd_data (ibfd, obfd);
 }
 
 /* The final processing done just before writing out the object file.
@@ -137,6 +136,11 @@ elf32_sparc_final_write_processing (bfd *abfd,
       elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1;
       break;
     case bfd_mach_sparc_v8plusb :
+    case bfd_mach_sparc_v8plusc :
+    case bfd_mach_sparc_v8plusd :
+    case bfd_mach_sparc_v8pluse :
+    case bfd_mach_sparc_v8plusv :
+    case bfd_mach_sparc_v8plusm :
       elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
       elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
       elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1
@@ -152,7 +156,9 @@ elf32_sparc_final_write_processing (bfd *abfd,
 }
 
 static enum elf_reloc_type_class
-elf32_sparc_reloc_type_class (const Elf_Internal_Rela *rela)
+elf32_sparc_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+                             const asection *rel_sec ATTRIBUTE_UNUSED,
+                             const Elf_Internal_Rela *rela)
 {
   switch ((int) ELF32_R_TYPE (rela->r_info))
     {
@@ -172,20 +178,21 @@ elf32_sparc_reloc_type_class (const Elf_Internal_Rela *rela)
 
 static bfd_boolean
 elf32_sparc_add_symbol_hook (bfd * abfd,
-                            struct bfd_link_info * info ATTRIBUTE_UNUSED,
+                            struct bfd_link_info * info,
                             Elf_Internal_Sym * sym,
                             const char ** namep ATTRIBUTE_UNUSED,
                             flagword * flagsp ATTRIBUTE_UNUSED,
                             asection ** secp ATTRIBUTE_UNUSED,
                             bfd_vma * valp ATTRIBUTE_UNUSED)
 {
-  if ((abfd->flags & DYNAMIC) == 0
-      && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
-    elf_tdata (info->output_bfd)->has_ifunc_symbols = TRUE;
+  if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
+      && (abfd->flags & DYNAMIC) == 0
+      && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
+    elf_tdata (info->output_bfd)->has_gnu_symbols |= elf_gnu_symbol_ifunc;
   return TRUE;
 }
 
-#define TARGET_BIG_SYM bfd_elf32_sparc_vec
+#define TARGET_BIG_SYM sparc_elf32_vec
 #define TARGET_BIG_NAME        "elf32-sparc"
 #define ELF_ARCH       bfd_arch_sparc
 #define ELF_TARGET_ID  SPARC_ELF_DATA
@@ -207,8 +214,6 @@ elf32_sparc_add_symbol_hook (bfd * abfd,
   _bfd_sparc_elf_reloc_name_lookup
 #define bfd_elf32_bfd_link_hash_table_create \
                                        _bfd_sparc_elf_link_hash_table_create
-#define bfd_elf32_bfd_link_hash_table_free \
-                                       _bfd_sparc_elf_link_hash_table_free
 #define bfd_elf32_bfd_relax_section    _bfd_sparc_elf_relax_section
 #define bfd_elf32_new_section_hook     _bfd_sparc_elf_new_section_hook
 #define elf_backend_copy_indirect_symbol \
@@ -241,7 +246,6 @@ elf32_sparc_add_symbol_hook (bfd * abfd,
 #define elf_backend_got_header_size 4
 #define elf_backend_rela_normal 1
 
-#define elf_backend_post_process_headers       _bfd_elf_set_osabi
 #define elf_backend_add_symbol_hook            elf32_sparc_add_symbol_hook
 
 #include "elf32-target.h"
@@ -249,7 +253,7 @@ elf32_sparc_add_symbol_hook (bfd * abfd,
 /* Solaris 2.  */
 
 #undef TARGET_BIG_SYM
-#define        TARGET_BIG_SYM                          bfd_elf32_sparc_sol2_vec
+#define        TARGET_BIG_SYM                          sparc_elf32_sol2_vec
 #undef TARGET_BIG_NAME
 #define        TARGET_BIG_NAME                         "elf32-sparc-sol2"
 
@@ -258,9 +262,26 @@ elf32_sparc_add_symbol_hook (bfd * abfd,
 
 /* The 32-bit static TLS arena size is rounded to the nearest 8-byte
    boundary.  */
-#undef elf_backend_static_tls_alignment
+#undef  elf_backend_static_tls_alignment
 #define elf_backend_static_tls_alignment       8
 
+#undef  elf_backend_strtab_flags
+#define elf_backend_strtab_flags       SHF_STRINGS
+
+static bfd_boolean
+elf32_sparc_copy_solaris_special_section_fields (const bfd *ibfd ATTRIBUTE_UNUSED,
+                                                bfd *obfd ATTRIBUTE_UNUSED,
+                                                const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED,
+                                                Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED)
+{
+  /* PR 19938: FIXME: Need to add code for setting the sh_info
+     and sh_link fields of Solaris specific section types.  */
+  return FALSE;
+}
+
+#undef  elf_backend_copy_special_section_fields
+#define elf_backend_copy_special_section_fields elf32_sparc_copy_solaris_special_section_fields
+
 #include "elf32-target.h"
 
 /* A wrapper around _bfd_sparc_elf_link_hash_table_create that identifies
@@ -292,39 +313,41 @@ elf32_sparc_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
   elf_vxworks_final_write_processing (abfd, linker);
 }
 
-#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elf32_sparc_vxworks_vec
-#undef TARGET_BIG_NAME
+#undef  TARGET_BIG_SYM
+#define TARGET_BIG_SYM sparc_elf32_vxworks_vec
+#undef  TARGET_BIG_NAME
 #define TARGET_BIG_NAME        "elf32-sparc-vxworks"
 
-#undef ELF_MINPAGESIZE
+#undef  ELF_MINPAGESIZE
 #define ELF_MINPAGESIZE        0x1000
 
 #undef bfd_elf32_bfd_link_hash_table_create
 #define bfd_elf32_bfd_link_hash_table_create \
   elf32_sparc_vxworks_link_hash_table_create
 
-#undef elf_backend_want_got_plt
+#undef  elf_backend_want_got_plt
 #define elf_backend_want_got_plt               1
-#undef elf_backend_plt_readonly
+#undef  elf_backend_plt_readonly
 #define elf_backend_plt_readonly               1
-#undef elf_backend_got_header_size
+#undef  elf_backend_got_header_size
 #define elf_backend_got_header_size            12
-#undef elf_backend_add_symbol_hook
+#undef  elf_backend_add_symbol_hook
 #define elf_backend_add_symbol_hook \
   elf_vxworks_add_symbol_hook
-#undef elf_backend_link_output_symbol_hook
+#undef  elf_backend_link_output_symbol_hook
 #define elf_backend_link_output_symbol_hook \
   elf_vxworks_link_output_symbol_hook
-#undef elf_backend_emit_relocs
+#undef  elf_backend_emit_relocs
 #define elf_backend_emit_relocs \
   elf_vxworks_emit_relocs
-#undef elf_backend_final_write_processing
+#undef  elf_backend_final_write_processing
 #define elf_backend_final_write_processing \
   elf32_sparc_vxworks_final_write_processing
-#undef elf_backend_static_tls_alignment
+#undef  elf_backend_static_tls_alignment
+#undef  elf_backend_strtab_flags
+#undef  elf_backend_copy_special_section_fields
 
-#undef elf32_bed
+#undef  elf32_bed
 #define elf32_bed                              sparc_elf_vxworks_bed
 
 #include "elf32-target.h"
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