/* SPARC-specific support for 32-bit ELF
- Copyright 1993 Free Software Foundation, Inc.
+ Copyright (C) 1993, 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
-#include "libelf.h"
+#include "elf-bfd.h"
+#include "elf/sparc.h"
-static CONST struct reloc_howto_struct *bfd_elf32_bfd_reloc_type_lookup
+static reloc_howto_type *elf32_sparc_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
-static void elf_info_to_howto
+static void elf32_sparc_info_to_howto
PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
-static boolean elf32_sparc_create_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-static boolean elf32_sparc_create_got_section
- PARAMS ((bfd *, struct bfd_link_info *));
static boolean elf32_sparc_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
static boolean elf32_sparc_adjust_dynamic_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-static boolean elf32_sparc_adjust_dynindx
- PARAMS ((struct elf_link_hash_entry *, PTR));
static boolean elf32_sparc_size_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
static boolean elf32_sparc_relocate_section
Elf_Internal_Sym *));
static boolean elf32_sparc_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
+static boolean elf32_sparc_merge_private_bfd_data PARAMS ((bfd *, bfd *));
+static boolean elf32_sparc_object_p
+ PARAMS ((bfd *));
+static void elf32_sparc_final_write_processing
+ PARAMS ((bfd *, boolean));
+\f
+/* The relocation "howto" table. */
-enum reloc_type
- {
- R_SPARC_NONE = 0,
- R_SPARC_8, R_SPARC_16, R_SPARC_32,
- R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32,
- R_SPARC_WDISP30, R_SPARC_WDISP22,
- R_SPARC_HI22, R_SPARC_22,
- R_SPARC_13, R_SPARC_LO10,
- R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22,
- R_SPARC_PC10, R_SPARC_PC22,
- R_SPARC_WPLT30,
- R_SPARC_COPY,
- R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT,
- R_SPARC_RELATIVE,
- R_SPARC_UA32,
- R_SPARC_max
- };
+static bfd_reloc_status_type sparc_elf_notsupported_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type sparc_elf_wdisp16_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-#if 0
-static CONST char *CONST reloc_type_names[] =
+reloc_howto_type _bfd_sparc_elf_howto_table[] =
{
- "R_SPARC_NONE",
- "R_SPARC_8", "R_SPARC_16", "R_SPARC_32",
- "R_SPARC_DISP8", "R_SPARC_DISP16", "R_SPARC_DISP32",
- "R_SPARC_WDISP30", "R_SPARC_WDISP22",
- "R_SPARC_HI22", "R_SPARC_22",
- "R_SPARC_13", "R_SPARC_LO10",
- "R_SPARC_GOT10", "R_SPARC_GOT13", "R_SPARC_GOT22",
- "R_SPARC_PC10", "R_SPARC_PC22",
- "R_SPARC_WPLT30",
- "R_SPARC_COPY",
- "R_SPARC_GLOB_DAT", "R_SPARC_JMP_SLOT",
- "R_SPARC_RELATIVE",
- "R_SPARC_UA32",
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_8, 0,0, 8,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", false,0,0x000000ff,true),
+ HOWTO(R_SPARC_16, 0,1,16,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", false,0,0x0000ffff,true),
+ HOWTO(R_SPARC_32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", false,0,0xffffffff,true),
+ HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", false,0,0x000000ff,true),
+ HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", false,0,0x0000ffff,true),
+ HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", false,0,0x00ffffff,true),
+ HOWTO(R_SPARC_WDISP30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", false,0,0x3fffffff,true),
+ HOWTO(R_SPARC_WDISP22, 2,2,22,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", false,0,0x003fffff,true),
+ HOWTO(R_SPARC_HI22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", false,0,0x003fffff,true),
+ HOWTO(R_SPARC_22, 0,2,22,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", false,0,0x003fffff,true),
+ HOWTO(R_SPARC_13, 0,2,13,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", false,0,0x00001fff,true),
+ HOWTO(R_SPARC_LO10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", false,0,0x000003ff,true),
+ HOWTO(R_SPARC_GOT10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", false,0,0x000003ff,true),
+ HOWTO(R_SPARC_GOT13, 0,2,13,false,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", false,0,0x00001fff,true),
+ HOWTO(R_SPARC_GOT22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", false,0,0x003fffff,true),
+ HOWTO(R_SPARC_PC10, 0,2,10,true, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", false,0,0x000003ff,true),
+ HOWTO(R_SPARC_PC22, 10,2,22,true, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", false,0,0x003fffff,true),
+ HOWTO(R_SPARC_WPLT30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", false,0,0x3fffffff,true),
+ HOWTO(R_SPARC_COPY, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", false,0,0x00000000,true),
+ HOWTO(R_SPARC_GLOB_DAT, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",false,0,0x00000000,true),
+ HOWTO(R_SPARC_JMP_SLOT, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",false,0,0x00000000,true),
+ HOWTO(R_SPARC_RELATIVE, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",false,0,0x00000000,true),
+ HOWTO(R_SPARC_UA32, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UA32", false,0,0x00000000,true),
+ HOWTO(R_SPARC_PLT32, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PLT32", false,0,0x00000000,true),
+ HOWTO(R_SPARC_HIPLT22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HIPLT22", false,0,0x00000000,true),
+ HOWTO(R_SPARC_LOPLT10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_LOPLT10", false,0,0x00000000,true),
+ HOWTO(R_SPARC_PCPLT32, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT32", false,0,0x00000000,true),
+ HOWTO(R_SPARC_PCPLT22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT22", false,0,0x00000000,true),
+ HOWTO(R_SPARC_PCPLT10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT10", false,0,0x00000000,true),
+ HOWTO(R_SPARC_10, 0,2,10,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", false,0,0x000003ff,true),
+ HOWTO(R_SPARC_11, 0,2,11,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", false,0,0x000007ff,true),
+ /* These are for sparc64 in a 64 bit environment.
+ Values need to be here because the table is indexed by reloc number. */
+ HOWTO(R_SPARC_64, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_64", false,0,0x00000000,true),
+ HOWTO(R_SPARC_OLO10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_OLO10", false,0,0x00000000,true),
+ HOWTO(R_SPARC_HH22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HH22", false,0,0x00000000,true),
+ HOWTO(R_SPARC_HM10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HM10", false,0,0x00000000,true),
+ HOWTO(R_SPARC_LM22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_LM22", false,0,0x00000000,true),
+ HOWTO(R_SPARC_PC_HH22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PC_HH22", false,0,0x00000000,true),
+ HOWTO(R_SPARC_PC_HM10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PC_HM10", false,0,0x00000000,true),
+ HOWTO(R_SPARC_PC_LM22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PC_LM22", false,0,0x00000000,true),
+ /* End sparc64 in 64 bit environment values.
+ The following are for sparc64 in a 32 bit environment. */
+ HOWTO(R_SPARC_WDISP16, 2,2,16,true, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", false,0,0x00000000,true),
+ HOWTO(R_SPARC_WDISP19, 2,2,19,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", false,0,0x0007ffff,true),
+ HOWTO(R_SPARC_UNUSED_42, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",false,0,0x00000000,true),
+ HOWTO(R_SPARC_7, 0,2, 7,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", false,0,0x0000007f,true),
+ HOWTO(R_SPARC_5, 0,2, 5,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", false,0,0x0000001f,true),
+ HOWTO(R_SPARC_6, 0,2, 6,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", false,0,0x0000003f,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
+ HOWTO(R_SPARC_REV32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", false,0,0xffffffff,true),
};
-#endif
+static reloc_howto_type elf32_sparc_vtinherit_howto =
+ HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,false,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", false,0, 0, false);
+static reloc_howto_type elf32_sparc_vtentry_howto =
+ HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,false,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", false,0,0, false);
-static reloc_howto_type elf_sparc_howto_table[] =
-{
- HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_NONE", false,0,0x00000000,true),
- HOWTO(R_SPARC_8, 0,0, 8,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_8", false,0,0x000000ff,true),
- HOWTO(R_SPARC_16, 0,1,16,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_16", false,0,0x0000ffff,true),
- HOWTO(R_SPARC_32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_32", false,0,0xffffffff,true),
- HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,complain_overflow_signed, bfd_elf_generic_reloc,"R_SPARC_DISP8", false,0,0x000000ff,true),
- HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,complain_overflow_signed, bfd_elf_generic_reloc,"R_SPARC_DISP16", false,0,0x0000ffff,true),
- HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, bfd_elf_generic_reloc,"R_SPARC_DISP32", false,0,0x00ffffff,true),
- HOWTO(R_SPARC_WDISP30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc,"R_SPARC_WDISP30", false,0,0x3fffffff,true),
- HOWTO(R_SPARC_WDISP22, 2,2,22,true, 0,complain_overflow_signed, bfd_elf_generic_reloc,"R_SPARC_WDISP22", false,0,0x003fffff,true),
- HOWTO(R_SPARC_HI22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_HI22", false,0,0x003fffff,true),
- HOWTO(R_SPARC_22, 0,2,22,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_22", false,0,0x003fffff,true),
- HOWTO(R_SPARC_13, 0,2,13,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_13", false,0,0x00001fff,true),
- HOWTO(R_SPARC_LO10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_LO10", false,0,0x000003ff,true),
- HOWTO(R_SPARC_GOT10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_GOT10", false,0,0x000003ff,true),
- HOWTO(R_SPARC_GOT13, 0,2,13,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_GOT13", false,0,0x00001fff,true),
- HOWTO(R_SPARC_GOT22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_GOT22", false,0,0x003fffff,true),
- HOWTO(R_SPARC_PC10, 0,2,10,true, 0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_PC10", false,0,0x000003ff,true),
- HOWTO(R_SPARC_PC22, 10,2,22,true, 0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_PC22", false,0,0x003fffff,true),
- HOWTO(R_SPARC_WPLT30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc,"R_SPARC_WPLT30", false,0,0x3fffffff,true),
- HOWTO(R_SPARC_COPY, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_COPY", false,0,0x00000000,true),
- HOWTO(R_SPARC_GLOB_DAT,0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_GLOB_DAT",false,0,0x00000000,true),
- HOWTO(R_SPARC_JMP_SLOT,0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_JMP_SLOT",false,0,0x00000000,true),
- HOWTO(R_SPARC_RELATIVE,0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_RELATIVE",false,0,0x00000000,true),
- HOWTO(R_SPARC_UA32, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc,"R_SPARC_UA32", false,0,0x00000000,true),
-};
struct elf_reloc_map {
- unsigned char bfd_reloc_val;
+ bfd_reloc_code_real_type bfd_reloc_val;
unsigned char elf_reloc_val;
};
{ BFD_RELOC_16, R_SPARC_16, },
{ BFD_RELOC_8, R_SPARC_8 },
{ BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
- { BFD_RELOC_CTOR, R_SPARC_32 }, /* @@ Assumes 32 bits. */
+ { BFD_RELOC_CTOR, R_SPARC_32 },
{ BFD_RELOC_32, R_SPARC_32 },
{ BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
{ BFD_RELOC_HI22, R_SPARC_HI22 },
{ BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
{ BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
{ BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
+ /* ??? Doesn't dwarf use this? */
/*{ BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */
+ {BFD_RELOC_SPARC_10, R_SPARC_10},
+ {BFD_RELOC_SPARC_11, R_SPARC_11},
+ {BFD_RELOC_SPARC_64, R_SPARC_64},
+ {BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10},
+ {BFD_RELOC_SPARC_HH22, R_SPARC_HH22},
+ {BFD_RELOC_SPARC_HM10, R_SPARC_HM10},
+ {BFD_RELOC_SPARC_LM22, R_SPARC_LM22},
+ {BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22},
+ {BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10},
+ {BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22},
+ {BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16},
+ {BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19},
+ {BFD_RELOC_SPARC_7, R_SPARC_7},
+ {BFD_RELOC_SPARC_5, R_SPARC_5},
+ {BFD_RELOC_SPARC_6, R_SPARC_6},
+ {BFD_RELOC_SPARC_REV32, R_SPARC_REV32 },
+ {BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT},
+ {BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY},
};
-static CONST struct reloc_howto_struct *
-bfd_elf32_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd;
+static reloc_howto_type *
+elf32_sparc_reloc_type_lookup (abfd, code)
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
- int i;
- for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); i++)
+ unsigned int i;
+
+ switch (code)
{
- if (sparc_reloc_map[i].bfd_reloc_val == code)
- return &elf_sparc_howto_table[(int) sparc_reloc_map[i].elf_reloc_val];
+ case BFD_RELOC_VTABLE_INHERIT:
+ return &elf32_sparc_vtinherit_howto;
+
+ case BFD_RELOC_VTABLE_ENTRY:
+ return &elf32_sparc_vtentry_howto;
+
+ default:
+ for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); i++)
+ {
+ if (sparc_reloc_map[i].bfd_reloc_val == code)
+ return &_bfd_sparc_elf_howto_table[(int) sparc_reloc_map[i].elf_reloc_val];
+ }
}
- return 0;
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
}
+/* We need to use ELF32_R_TYPE so we have our own copy of this function,
+ and elf64-sparc.c has its own copy. */
+
static void
-elf_info_to_howto (abfd, cache_ptr, dst)
- bfd *abfd;
+elf32_sparc_info_to_howto (abfd, cache_ptr, dst)
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *cache_ptr;
Elf_Internal_Rela *dst;
{
- BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_SPARC_max);
- cache_ptr->howto = &elf_sparc_howto_table[ELF32_R_TYPE(dst->r_info)];
+ switch (ELF32_R_TYPE(dst->r_info))
+ {
+ case R_SPARC_GNU_VTINHERIT:
+ cache_ptr->howto = &elf32_sparc_vtinherit_howto;
+ break;
+
+ case R_SPARC_GNU_VTENTRY:
+ cache_ptr->howto = &elf32_sparc_vtentry_howto;
+ break;
+
+ default:
+ BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_SPARC_max_std);
+ cache_ptr->howto = &_bfd_sparc_elf_howto_table[ELF32_R_TYPE(dst->r_info)];
+ }
}
+\f
+/* For unsupported relocs. */
+
+static bfd_reloc_status_type
+sparc_elf_notsupported_reloc (abfd,
+ reloc_entry,
+ symbol,
+ data,
+ input_section,
+ output_bfd,
+ error_message)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry ATTRIBUTE_UNUSED;
+ asymbol *symbol ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section ATTRIBUTE_UNUSED;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ return bfd_reloc_notsupported;
+}
+
+/* Handle the WDISP16 reloc. */
+
+static bfd_reloc_status_type
+sparc_elf_wdisp16_reloc (abfd,
+ reloc_entry,
+ symbol,
+ data,
+ input_section,
+ output_bfd,
+ error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ bfd_vma relocation;
+ bfd_vma x;
+
+ if (output_bfd != (bfd *) NULL
+ && (symbol->flags & BSF_SECTION_SYM) == 0
+ && (! reloc_entry->howto->partial_inplace
+ || reloc_entry->addend == 0))
+ {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
+
+ if (output_bfd != NULL)
+ return bfd_reloc_continue;
+
+ if (reloc_entry->address > input_section->_cooked_size)
+ return bfd_reloc_outofrange;
+
+ relocation = (symbol->value
+ + symbol->section->output_section->vma
+ + symbol->section->output_offset);
+ relocation += reloc_entry->addend;
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset);
+ relocation -= reloc_entry->address;
+ x = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
+ x |= ((((relocation >> 2) & 0xc000) << 6)
+ | ((relocation >> 2) & 0x3fff));
+ bfd_put_32 (abfd, x, (bfd_byte *) data + reloc_entry->address);
+
+ if ((bfd_signed_vma) relocation < - 0x40000
+ || (bfd_signed_vma) relocation > 0x3ffff)
+ return bfd_reloc_overflow;
+ else
+ return bfd_reloc_ok;
+}
\f
/* Functions for the SPARC ELF linker. */
/* nop. */
#define PLT_ENTRY_WORD2 SPARC_NOP
-/* Create dynamic sections when linking against a dynamic object. */
-
-static boolean
-elf32_sparc_create_dynamic_sections (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
-{
- flagword flags;
- register asection *s;
- struct elf_link_hash_entry *h;
-
- /* We need to create .plt, .rela.plt, .got, .dynbss, and .rela.bss
- sections. */
-
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
-
- s = bfd_make_section (abfd, ".plt");
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_CODE)
- || ! bfd_set_section_alignment (abfd, s, 2))
- return false;
-
- /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
- .plt section. */
- h = NULL;
- if (! (_bfd_generic_link_add_one_symbol
- (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s, (bfd_vma) 0,
- (const char *) NULL, false, get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
- return false;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
- h->type = STT_OBJECT;
-
- if (info->shared
- && ! bfd_elf32_link_record_dynamic_symbol (info, h))
- return false;
-
- s = bfd_make_section (abfd, ".rela.plt");
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
- || ! bfd_set_section_alignment (abfd, s, 2))
- return false;
-
- if (! elf32_sparc_create_got_section (abfd, info))
- return false;
-
- /* The .dynbss section is a place to put symbols which are defined
- by dynamic objects, are referenced by regular objects, and are
- not functions. We must allocate space for them in the process
- image and use a R_SPARC_COPY reloc to tell the dynamic linker to
- initialize them at run time. The linker script puts the .dynbss
- section into the .bss section of the final image. */
- s = bfd_make_section (abfd, ".dynbss");
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, SEC_ALLOC))
- return false;
-
- /* The .rela.bss section holds copy relocs. */
- if (! info->shared)
- {
- s = bfd_make_section (abfd, ".rela.bss");
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
- || ! bfd_set_section_alignment (abfd, s, 2))
- return false;
- }
-
- return true;
-}
-
-/* Create the .got section to hold the global offset table. */
-
-static boolean
-elf32_sparc_create_got_section (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
-{
- register asection *s;
- struct elf_link_hash_entry *h;
-
- /* This function may be called more than once. */
- if (bfd_get_section_by_name (abfd, ".got") != NULL)
- return true;
-
- s = bfd_make_section (abfd, ".got");
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s,
- (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY))
- || ! bfd_set_section_alignment (abfd, s, 2))
- return false;
-
- /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
- section. We don't do this in the linker script because we don't
- want to define the symbol if we are not creating a global offset
- table. FIXME: The Solaris linker puts _GLOBAL_OFFSET_TABLE_ at
- the start of the .got section, but when using the small PIC model
- the .got is accessed using a signed 13 bit offset. Shouldn't
- _GLOBAL_OFFSET_TABLE_ be located at .got + 4096? */
- h = NULL;
- if (! (_bfd_generic_link_add_one_symbol
- (info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s, (bfd_vma) 0,
- (const char *) NULL, false, get_elf_backend_data (abfd)->collect,
- (struct bfd_link_hash_entry **) &h)))
- return false;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
- h->type = STT_OBJECT;
-
- if (info->shared
- && ! bfd_elf32_link_record_dynamic_symbol (info, h))
- return false;
-
- /* The first global offset table entry is reserved. */
- s->_raw_size += 4;
-
- return true;
-}
-
/* Look through the relocs for a section during the first phase, and
allocate space in the global offset table or procedure linkage
table. */
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
{
- long r_symndx;
+ unsigned long r_symndx;
struct elf_link_hash_entry *h;
r_symndx = ELF32_R_SYM (rel->r_info);
{
/* Create the .got section. */
elf_hash_table (info)->dynobj = dynobj = abfd;
- if (! elf32_sparc_create_got_section (dynobj, info))
+ if (! _bfd_elf_create_got_section (dynobj, info))
return false;
}
| SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
| SEC_READONLY))
|| ! bfd_set_section_alignment (dynobj, srelgot, 2))
return false;
if (h != NULL)
{
- if (h->got_offset != (bfd_vma) -1)
+ if (h->got.offset != (bfd_vma) -1)
{
/* We have already allocated space in the .got. */
break;
}
- h->got_offset = sgot->_raw_size;
+ h->got.offset = sgot->_raw_size;
/* Make sure this symbol is output as a dynamic symbol. */
if (h->dynindx == -1)
if (local_got_offsets == NULL)
{
size_t size;
- register int i;
+ register unsigned int i;
size = symtab_hdr->sh_info * sizeof (bfd_vma);
local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
if (local_got_offsets == NULL)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
elf_local_got_offsets (abfd) = local_got_offsets;
for (i = 0; i < symtab_hdr->sh_info; i++)
local_got_offsets[i] = (bfd_vma) -1;
sgot->_raw_size += 4;
+ /* If the .got section is more than 0x1000 bytes, we add
+ 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
+ bit relocations have a greater chance of working. */
+ if (sgot->_raw_size >= 0x1000
+ && elf_hash_table (info)->hgot->root.u.def.value == 0)
+ elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
+
break;
case R_SPARC_WPLT30:
if (h == NULL)
{
- /* It does not make sense to have a procedure linkage
- table entry for a local symbol. */
- bfd_set_error (bfd_error_bad_value);
- return false;
+ /* The Solaris native assembler will generate a WPLT30
+ reloc for a local symbol if you assemble a call from
+ one section to another when using -K pic. We treat
+ it as WDISP30. */
+ break;
}
/* Make sure this symbol is output as a dynamic symbol. */
case R_SPARC_PC10:
case R_SPARC_PC22:
+ if (h != NULL)
+ h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+
if (h != NULL
&& strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
break;
/* Fall through. */
- case R_SPARC_8:
- case R_SPARC_16:
- case R_SPARC_32:
case R_SPARC_DISP8:
case R_SPARC_DISP16:
case R_SPARC_DISP32:
case R_SPARC_WDISP30:
case R_SPARC_WDISP22:
+ case R_SPARC_WDISP19:
+ case R_SPARC_WDISP16:
+ if (h != NULL)
+ h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+
+ /* If we are linking with -Bsymbolic, we do not need to copy
+ a PC relative reloc against a global symbol which is
+ defined in an object we are including in the link (i.e.,
+ DEF_REGULAR is set). FIXME: At this point we have not
+ seen all the input files, so it is possible that
+ DEF_REGULAR is not set now but will be set later (it is
+ never cleared). This needs to be handled as in
+ elf32-i386.c. */
+ if (h == NULL
+ || (info->symbolic
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) != 0))
+ break;
+ /* Fall through. */
+ case R_SPARC_8:
+ case R_SPARC_16:
+ case R_SPARC_32:
case R_SPARC_HI22:
case R_SPARC_22:
case R_SPARC_13:
case R_SPARC_LO10:
case R_SPARC_UA32:
- if (info->shared
- && (sec->flags & SEC_ALLOC) != 0)
+ if (h != NULL)
+ h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+
+ if (info->shared)
{
/* When creating a shared object, we must copy these
relocs into the output file. We create a reloc
{
const char *name;
- name = (elf_string_from_elf_section
+ name = (bfd_elf_string_from_elf_section
(abfd,
elf_elfheader (abfd)->e_shstrndx,
elf_section_data (sec)->rel_hdr.sh_name));
sreloc = bfd_get_section_by_name (dynobj, name);
if (sreloc == NULL)
{
+ flagword flags;
+
sreloc = bfd_make_section (dynobj, name);
+ flags = (SEC_HAS_CONTENTS | SEC_READONLY
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED);
+ if ((sec->flags & SEC_ALLOC) != 0)
+ flags |= SEC_ALLOC | SEC_LOAD;
if (sreloc == NULL
- || ! bfd_set_section_flags (dynobj, sreloc,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_READONLY))
+ || ! bfd_set_section_flags (dynobj, sreloc, flags)
|| ! bfd_set_section_alignment (dynobj, sreloc, 2))
return false;
}
break;
+ case R_SPARC_GNU_VTINHERIT:
+ if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return false;
+ break;
+
+ case R_SPARC_GNU_VTENTRY:
+ if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return false;
+ break;
+
default:
break;
}
return true;
}
+static asection *
+elf32_sparc_gc_mark_hook (abfd, info, rel, h, sym)
+ bfd *abfd;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ Elf_Internal_Rela *rel;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
+{
+
+ if (h != NULL)
+ {
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_SPARC_GNU_VTINHERIT:
+ case R_SPARC_GNU_VTENTRY:
+ break;
+
+ default:
+ switch (h->root.type)
+ {
+ case bfd_link_hash_defined:
+ case bfd_link_hash_defweak:
+ return h->root.u.def.section;
+
+ case bfd_link_hash_common:
+ return h->root.u.c.p->section;
+
+ default:
+ break;
+ }
+ }
+ }
+ else
+ {
+ if (!(elf_bad_symtab (abfd)
+ && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
+ && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
+ && sym->st_shndx != SHN_COMMON))
+ {
+ return bfd_section_from_elf_index (abfd, sym->st_shndx);
+ }
+ }
+
+ return NULL;
+}
+
+/* Update the got entry reference counts for the section being removed. */
+static boolean
+elf32_sparc_gc_sweep_hook (abfd, info, sec, relocs)
+ bfd *abfd;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
+ asection *sec;
+ const Elf_Internal_Rela *relocs;
+{
+
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_signed_vma *local_got_refcounts;
+ const Elf_Internal_Rela *rel, *relend;
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+
+ relend = relocs + sec->reloc_count;
+ for (rel = relocs; rel < relend; rel++)
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_SPARC_GOT10:
+ case R_SPARC_GOT13:
+ case R_SPARC_GOT22:
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ if (h->got.refcount > 0)
+ h->got.refcount--;
+ }
+ else
+ {
+ if (local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx]--;
+ }
+ break;
+
+ case R_SPARC_PLT32:
+ case R_SPARC_HIPLT22:
+ case R_SPARC_LOPLT10:
+ case R_SPARC_PCPLT32:
+ case R_SPARC_PCPLT10:
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ if (h->plt.refcount > 0)
+ h->plt.refcount--;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return true;
+}
+
/* Adjust a symbol defined by a dynamic object and referenced by a
regular object. The current definition is in some section of the
dynamic object, but we're not including those sections. We have to
/* Make sure we know what is going on here. */
BFD_ASSERT (dynobj != NULL
&& ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
+ || h->weakdef != NULL
|| ((h->elf_link_hash_flags
& ELF_LINK_HASH_DEF_DYNAMIC) != 0
&& (h->elf_link_hash_flags
& ELF_LINK_HASH_REF_REGULAR) != 0
&& (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0
- && h->root.type == bfd_link_hash_defined
- && (bfd_get_flavour (h->root.u.def.section->owner)
- == bfd_target_elf_flavour)
- && (elf_elfheader (h->root.u.def.section->owner)->e_type
- == ET_DYN)
- && h->root.u.def.section->output_section == NULL)));
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)));
/* If this is a function, put it in the procedure linkage table. We
will fill in the contents of the procedure linkage table later
- (although we could actually do it here). */
+ (although we could actually do it here). The STT_NOTYPE
+ condition is a hack specifically for the Oracle libraries
+ delivered for Solaris; for some inexplicable reason, they define
+ some of their functions as STT_NOTYPE when they really should be
+ STT_FUNC. */
if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0
+ || (h->type == STT_NOTYPE
+ && (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ && (h->root.u.def.section->flags & SEC_CODE) != 0))
{
- if (! elf_hash_table (info)->dynamic_sections_created)
+ if (! elf_hash_table (info)->dynamic_sections_created
+ || ((!info->shared || info->symbolic || h->dynindx == -1)
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) != 0))
{
/* This case can occur if we saw a WPLT30 reloc in an input
- file, but none of the input files were dynamic objects.
- In such a case, we don't actually need to build a
- procedure linkage table, and we can just do a WDISP30
- reloc instead. */
- BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0);
+ file, but none of the input files were dynamic objects.
+ Or, when linking the main application or a -Bsymbolic
+ shared library against PIC code. Or when a global symbol
+ has been made private, e.g. via versioning.
+
+ In these cases we know what value the symbol will resolve
+ to, so we don't actually need to build a procedure linkage
+ table, and we can just do a WDISP30 reloc instead. */
+
+ h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
return true;
}
return false;
}
- /* If this symbol is not defined in a regular file, and we are
- not generating a shared library, then set the symbol to this
- location in the .plt. This is required to make function
- pointers compare as equal between the normal executable and
- the shared library. */
- if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
- {
- h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
- }
+ /* If this symbol is not defined in a regular file, and we are
+ not generating a shared library, then set the symbol to this
+ location in the .plt. This is required to make function
+ pointers compare as equal between the normal executable and
+ the shared library. */
+ if (! info->shared
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ {
+ h->root.u.def.section = s;
+ h->root.u.def.value = s->_raw_size;
+ }
- h->plt_offset = s->_raw_size;
+ h->plt.offset = s->_raw_size;
/* Make room for this entry. */
s->_raw_size += PLT_ENTRY_SIZE;
real definition first, and we can just use the same value. */
if (h->weakdef != NULL)
{
- BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined);
+ BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
+ || h->weakdef->root.type == bfd_link_hash_defweak);
h->root.u.def.section = h->weakdef->root.u.def.section;
h->root.u.def.value = h->weakdef->root.u.def.value;
return true;
if (info->shared)
return true;
+ /* If there are no references to this symbol that do not use the
+ GOT, we don't need to generate a copy reloc. */
+ if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
+ return true;
+
/* We must allocate the symbol in our .dynbss section, which will
become part of the .bss section of the executable. There will be
an entry for this symbol in the .dynsym section. The dynamic
s = bfd_get_section_by_name (dynobj, ".dynbss");
BFD_ASSERT (s != NULL);
- /* If the symbol is currently defined in the .bss section of the
- dynamic object, then it is OK to simply initialize it to zero.
- If the symbol is in some other section, we must generate a
- R_SPARC_COPY reloc to tell the dynamic linker to copy the initial
- value out of the dynamic object and into the runtime process
- image. We need to remember the offset into the .rel.bss section
- we are going to use. */
- if ((h->root.u.def.section->flags & SEC_LOAD) != 0)
+ /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
+ to copy the initial value out of the dynamic object and into the
+ runtime process image. We need to remember the offset into the
+ .rel.bss section we are going to use. */
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
{
asection *srel;
bfd *dynobj;
asection *s;
boolean reltext;
+ boolean relplt;
dynobj = elf_hash_table (info)->dynobj;
BFD_ASSERT (dynobj != NULL);
determined the sizes of the various dynamic sections. Allocate
memory for them. */
reltext = false;
+ relplt = false;
for (s = dynobj->sections; s != NULL; s = s->next)
{
const char *name;
boolean strip;
- if ((s->flags & SEC_IN_MEMORY) == 0)
+ if ((s->flags & SEC_LINKER_CREATED) == 0)
continue;
/* It's OK to base decisions on the section name, because none
}
else
{
+ const char *outname;
asection *target;
/* If this relocation section applies to a read only
section, then we probably need a DT_TEXTREL entry. */
- target = bfd_get_section_by_name (output_bfd, name + 5);
+ outname = bfd_get_section_name (output_bfd,
+ s->output_section);
+ target = bfd_get_section_by_name (output_bfd, outname + 5);
if (target != NULL
- && (target->flags & SEC_READONLY) != 0)
+ && (target->flags & SEC_READONLY) != 0
+ && (target->flags & SEC_ALLOC) != 0)
reltext = true;
+ if (strcmp (name, ".rela.plt") == 0)
+ relplt = true;
+
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
s->reloc_count = 0;
if (strip)
{
- asection **spp;
-
- for (spp = &s->output_section->owner->sections;
- *spp != s->output_section;
- spp = &(*spp)->next)
- ;
- *spp = s->output_section->next;
- --s->output_section->owner->section_count;
-
+ _bfd_strip_section_from_output (info, s);
continue;
}
/* Allocate memory for the section contents. */
s->contents = (bfd_byte *) bfd_alloc (dynobj, s->_raw_size);
if (s->contents == NULL && s->_raw_size != 0)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return false;
}
if (elf_hash_table (info)->dynamic_sections_created)
return false;
}
- if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0)
- || ! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0)
- || ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
- || ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0)
- || ! bfd_elf32_add_dynamic_entry (info, DT_RELA, 0)
+ if (relplt)
+ {
+ if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0)
+ || ! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0)
+ || ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
+ || ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0))
+ return false;
+ }
+
+ if (! bfd_elf32_add_dynamic_entry (info, DT_RELA, 0)
|| ! bfd_elf32_add_dynamic_entry (info, DT_RELASZ, 0)
|| ! bfd_elf32_add_dynamic_entry (info, DT_RELAENT,
sizeof (Elf32_External_Rela)))
}
}
- /* If we are generating a shared library, we generate a section
- symbol for each output section. These are local symbols, which
- means that they must come first in the dynamic symbol table.
- That means we must increment the dynamic symbol index of every
- other dynamic symbol. */
- if (info->shared)
- {
- int c, i;
-
- c = bfd_count_sections (output_bfd);
- elf_link_hash_traverse (elf_hash_table (info),
- elf32_sparc_adjust_dynindx,
- (PTR) &c);
- elf_hash_table (info)->dynsymcount += c;
-
- for (i = 1, s = output_bfd->sections; s != NULL; s = s->next, i++)
- {
- elf_section_data (s)->dynindx = i;
- /* These symbols will have no names, so we don't need to
- fiddle with dynstr_index. */
- }
- }
-
- return true;
-}
-
-/* Increment the index of a dynamic symbol by a given amount. Called
- via elf_link_hash_traverse. */
-
-static boolean
-elf32_sparc_adjust_dynindx (h, cparg)
- struct elf_link_hash_entry *h;
- PTR cparg;
-{
- int *cp = (int *) cparg;
-
- if (h->dynindx != -1)
- h->dynindx += *cp;
return true;
}
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
bfd_vma *local_got_offsets;
+ bfd_vma got_base;
asection *sgot;
asection *splt;
asection *sreloc;
sym_hashes = elf_sym_hashes (input_bfd);
local_got_offsets = elf_local_got_offsets (input_bfd);
+ if (elf_hash_table (info)->hgot == NULL)
+ got_base = 0;
+ else
+ got_base = elf_hash_table (info)->hgot->root.u.def.value;
+
sgot = NULL;
splt = NULL;
sreloc = NULL;
for (; rel < relend; rel++)
{
int r_type;
- const reloc_howto_type *howto;
- long r_symndx;
+ reloc_howto_type *howto;
+ unsigned long r_symndx;
struct elf_link_hash_entry *h;
Elf_Internal_Sym *sym;
asection *sec;
bfd_reloc_status_type r;
r_type = ELF32_R_TYPE (rel->r_info);
- if (r_type < 0 || r_type >= (int) R_SPARC_max)
+
+ if (r_type == R_SPARC_GNU_VTINHERIT
+ || r_type == R_SPARC_GNU_VTENTRY)
+ continue;
+
+ if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
{
bfd_set_error (bfd_error_bad_value);
return false;
}
- howto = elf_sparc_howto_table + r_type;
+ howto = _bfd_sparc_elf_howto_table + r_type;
r_symndx = ELF32_R_SYM (rel->r_info);
else
{
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->root.type == bfd_link_hash_defined)
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
{
sec = h->root.u.def.section;
if ((r_type == R_SPARC_WPLT30
- && h->plt_offset != (bfd_vma) -1)
+ && h->plt.offset != (bfd_vma) -1)
|| ((r_type == R_SPARC_GOT10
|| r_type == R_SPARC_GOT13
|| r_type == R_SPARC_GOT22)
- && elf_hash_table (info)->dynamic_sections_created)
+ && elf_hash_table (info)->dynamic_sections_created
+ && (! info->shared
+ || (! info->symbolic && h->dynindx != -1)
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))
|| (info->shared
- && (input_section->flags & SEC_ALLOC) != 0
+ && ((! info->symbolic && h->dynindx != -1)
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0)
&& (r_type == R_SPARC_8
|| r_type == R_SPARC_16
|| r_type == R_SPARC_32
|| r_type == R_SPARC_DISP32
|| r_type == R_SPARC_WDISP30
|| r_type == R_SPARC_WDISP22
+ || r_type == R_SPARC_WDISP19
+ || r_type == R_SPARC_WDISP16
|| r_type == R_SPARC_HI22
|| r_type == R_SPARC_22
|| r_type == R_SPARC_13
+ sec->output_section->vma
+ sec->output_offset);
}
- else if (h->root.type == bfd_link_hash_weak)
+ else if (h->root.type == bfd_link_hash_undefweak)
relocation = 0;
- else if (info->shared)
+ else if (info->shared && !info->symbolic && !info->no_undefined)
relocation = 0;
else
{
{
bfd_vma off;
- off = h->got_offset;
+ off = h->got.offset;
BFD_ASSERT (off != (bfd_vma) -1);
- if (! elf_hash_table (info)->dynamic_sections_created)
+ if (! elf_hash_table (info)->dynamic_sections_created
+ || (info->shared
+ && (info->symbolic || h->dynindx == -1)
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
{
- /* This is actually a static link. We must
- initialize this entry in the global offset table.
- Since the offset must always be a multiple of 4,
- we use the least significant bit to record
- whether we have initialized it already.
+ /* This is actually a static link, or it is a
+ -Bsymbolic link and the symbol is defined
+ locally, or the symbol was forced to be local
+ because of a version file. We must initialize
+ this entry in the global offset table. Since the
+ offset must always be a multiple of 4, we use the
+ least significant bit to record whether we have
+ initialized it already.
When doing a dynamic link, we create a .rela.got
relocation entry to initialize the value. This
{
bfd_put_32 (output_bfd, relocation,
sgot->contents + off);
- h->got_offset |= 1;
+ h->got.offset |= 1;
}
}
- relocation = sgot->output_offset + off;
+ relocation = sgot->output_offset + off - got_base;
}
else
{
local_got_offsets[r_symndx] |= 1;
}
- relocation = sgot->output_offset + off;
+ relocation = sgot->output_offset + off - got_base;
}
break;
case R_SPARC_WPLT30:
/* Relocation is to the entry for this symbol in the
procedure linkage table. */
- BFD_ASSERT (h != NULL);
- if (h->plt_offset == (bfd_vma) -1)
+ /* The Solaris native assembler will generate a WPLT30 reloc
+ for a local symbol if you assemble a call from one
+ section to another when using -K pic. We treat it as
+ WDISP30. */
+ if (h == NULL)
+ break;
+
+ if (h->plt.offset == (bfd_vma) -1)
{
/* We didn't make a PLT entry for this symbol. This
- happens when statically linking PIC code. */
+ happens when statically linking PIC code, or when
+ using -Bsymbolic. */
break;
}
relocation = (splt->output_section->vma
+ splt->output_offset
- + h->plt_offset);
+ + h->plt.offset);
break;
case R_SPARC_PC10:
&& strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
break;
/* Fall through. */
- case R_SPARC_8:
- case R_SPARC_16:
- case R_SPARC_32:
case R_SPARC_DISP8:
case R_SPARC_DISP16:
case R_SPARC_DISP32:
case R_SPARC_WDISP30:
case R_SPARC_WDISP22:
+ case R_SPARC_WDISP19:
+ case R_SPARC_WDISP16:
+ if (h == NULL
+ || (info->symbolic
+ && (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) != 0))
+ break;
+ /* Fall through. */
+ case R_SPARC_8:
+ case R_SPARC_16:
+ case R_SPARC_32:
case R_SPARC_HI22:
case R_SPARC_22:
case R_SPARC_13:
case R_SPARC_LO10:
case R_SPARC_UA32:
- if (info->shared
- && (input_section->flags & SEC_ALLOC) != 0)
+ if (info->shared)
{
Elf_Internal_Rela outrel;
+ boolean skip;
/* When generating a shared object, these relocations
are copied into the output file to be resolved at run
{
const char *name;
- name = (elf_string_from_elf_section
+ name = (bfd_elf_string_from_elf_section
(input_bfd,
elf_elfheader (input_bfd)->e_shstrndx,
elf_section_data (input_section)->rel_hdr.sh_name));
BFD_ASSERT (sreloc != NULL);
}
- outrel.r_offset = (rel->r_offset
- + input_section->output_section->vma
- + input_section->output_offset);
- if (h != NULL)
+ skip = false;
+
+ if (elf_section_data (input_section)->stab_info == NULL)
+ outrel.r_offset = rel->r_offset;
+ else
+ {
+ bfd_vma off;
+
+ off = (_bfd_stab_section_offset
+ (output_bfd, &elf_hash_table (info)->stab_info,
+ input_section,
+ &elf_section_data (input_section)->stab_info,
+ rel->r_offset));
+ if (off == (bfd_vma) -1)
+ skip = true;
+ outrel.r_offset = off;
+ }
+
+ outrel.r_offset += (input_section->output_section->vma
+ + input_section->output_offset);
+
+ if (skip)
+ memset (&outrel, 0, sizeof outrel);
+ /* h->dynindx may be -1 if the symbol was marked to
+ become local. */
+ else if (h != NULL
+ && ((! info->symbolic && h->dynindx != -1)
+ || (h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0))
{
BFD_ASSERT (h->dynindx != -1);
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
{
long indx;
- sym = local_syms + r_symndx;
-
- BFD_ASSERT (ELF_ST_TYPE (sym->st_info) == STT_SECTION);
-
- sec = local_sections[r_symndx];
+ if (h == NULL)
+ sec = local_sections[r_symndx];
+ else
+ {
+ BFD_ASSERT (h->root.type == bfd_link_hash_defined
+ || (h->root.type
+ == bfd_link_hash_defweak));
+ sec = h->root.u.def.section;
+ }
if (sec != NULL && bfd_is_abs_section (sec))
indx = 0;
else if (sec == NULL || sec->owner == NULL)
osec = sec->output_section;
indx = elf_section_data (osec)->dynindx;
+
+ /* FIXME: we really should be able to link non-pic
+ shared libraries. */
if (indx == 0)
- abort ();
+ {
+ BFD_FAIL ();
+ (*_bfd_error_handler)
+ (_("%s: probably compiled without -fPIC?"),
+ bfd_get_filename (input_bfd));
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
}
outrel.r_info = ELF32_R_INFO (indx, r_type);
++sreloc->reloc_count;
/* This reloc will be computed at runtime, so there's no
- need to do anything now. */
- continue;
+ need to do anything now, unless this is a RELATIVE
+ reloc in an unallocated section. */
+ if (skip
+ || (input_section->flags & SEC_ALLOC) != 0
+ || ELF32_R_TYPE (outrel.r_info) != R_SPARC_RELATIVE)
+ continue;
}
+ break;
default:
break;
- }
+ }
+
+ if (r_type == R_SPARC_WDISP16)
+ {
+ bfd_vma x;
+
+ relocation += rel->r_addend;
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset);
+ relocation -= rel->r_offset;
+
+ x = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ x |= ((((relocation >> 2) & 0xc000) << 6)
+ | ((relocation >> 2) & 0x3fff));
+ bfd_put_32 (input_bfd, x, contents + rel->r_offset);
+
+ if ((bfd_signed_vma) relocation < - 0x40000
+ || (bfd_signed_vma) relocation > 0x3ffff)
+ r = bfd_reloc_overflow;
+ else
+ r = bfd_reloc_ok;
+ }
+ else if (r_type == R_SPARC_REV32)
+ {
+ bfd_vma x;
+
+ relocation = relocation + rel->r_addend;
+
+ x = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ x = x + relocation;
+ bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
+ r = bfd_reloc_ok;
+ }
+ else
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, rel->r_addend);
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend);
if (r != bfd_reloc_ok)
{
name = h->root.root.string;
else
{
- name = elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- sym->st_name);
+ name = bfd_elf_string_from_elf_section (input_bfd,
+ symtab_hdr->sh_link,
+ sym->st_name);
if (name == NULL)
return false;
if (*name == '\0')
dynobj = elf_hash_table (info)->dynobj;
- if (h->plt_offset != (bfd_vma) -1)
+ if (h->plt.offset != (bfd_vma) -1)
{
asection *splt;
asection *srela;
/* Fill in the entry in the procedure linkage table. */
bfd_put_32 (output_bfd,
- PLT_ENTRY_WORD0 + h->plt_offset,
- splt->contents + h->plt_offset);
+ PLT_ENTRY_WORD0 + h->plt.offset,
+ splt->contents + h->plt.offset);
bfd_put_32 (output_bfd,
(PLT_ENTRY_WORD1
- + (((- (h->plt_offset + 4)) >> 2) & 0x3fffff)),
- splt->contents + h->plt_offset + 4);
+ + (((- (h->plt.offset + 4)) >> 2) & 0x3fffff)),
+ splt->contents + h->plt.offset + 4);
bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
- splt->contents + h->plt_offset + 8);
+ splt->contents + h->plt.offset + 8);
/* Fill in the entry in the .rela.plt section. */
rela.r_offset = (splt->output_section->vma
+ splt->output_offset
- + h->plt_offset);
+ + h->plt.offset);
rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_JMP_SLOT);
rela.r_addend = 0;
bfd_elf32_swap_reloca_out (output_bfd, &rela,
((Elf32_External_Rela *) srela->contents
- + h->plt_offset / PLT_ENTRY_SIZE - 4));
+ + h->plt.offset / PLT_ENTRY_SIZE - 4));
if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
{
}
}
- if (h->got_offset != (bfd_vma) -1)
+ if (h->got.offset != (bfd_vma) -1)
{
asection *sgot;
asection *srela;
/* This symbol has an entry in the global offset table. Set it
up. */
- BFD_ASSERT (h->dynindx != -1);
-
sgot = bfd_get_section_by_name (dynobj, ".got");
srela = bfd_get_section_by_name (dynobj, ".rela.got");
BFD_ASSERT (sgot != NULL && srela != NULL);
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got_offset);
-
rela.r_offset = (sgot->output_section->vma
+ sgot->output_offset
- + h->got_offset);
- rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
+ + (h->got.offset &~ 1));
+
+ /* If this is a -Bsymbolic link, and the symbol is defined
+ locally, we just want to emit a RELATIVE reloc. Likewise if
+ the symbol was forced to be local because of a version file.
+ The entry in the global offset table will already have been
+ initialized in the relocate_section function. */
+ if (info->shared
+ && (info->symbolic || h->dynindx == -1)
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ rela.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
+ else
+ {
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
+ }
+
rela.r_addend = 0;
bfd_elf32_swap_reloca_out (output_bfd, &rela,
((Elf32_External_Rela *) srela->contents
elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
- if (info->shared)
- {
- asection *sdynsym;
- asection *s;
- Elf_Internal_Sym sym;
+ return true;
+}
+\f
+/* Functions for dealing with the e_flags field.
- /* Set up the section symbols for the output sections. */
+ We don't define set_private_flags or copy_private_bfd_data because
+ the only currently defined values are based on the bfd mach number,
+ so we use the latter instead and defer setting e_flags until the
+ file is written out. */
- sdynsym = bfd_get_section_by_name (dynobj, ".dynsym");
- BFD_ASSERT (sdynsym != NULL);
+/* Merge backend specific data from an object file to the output
+ object file when linking. */
- sym.st_size = 0;
- sym.st_name = 0;
- sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION);
- sym.st_other = 0;
+static boolean
+elf32_sparc_merge_private_bfd_data (ibfd, obfd)
+ bfd *ibfd;
+ bfd *obfd;
+{
+ boolean error;
+ /* FIXME: This should not be static. */
+ static unsigned long previous_ibfd_e_flags = (unsigned long) -1;
- for (s = output_bfd->sections; s != NULL; s = s->next)
- {
- int indx;
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+ return true;
- sym.st_value = s->vma;
+ error = false;
- indx = elf_section_data (s)->this_idx;
- BFD_ASSERT (indx > 0);
- sym.st_shndx = indx;
+#if 0
+ /* ??? The native linker doesn't do this so we can't (otherwise gcc would
+ have to know which linker is being used). Instead, the native linker
+ bumps up the architecture level when it has to. However, I still think
+ warnings like these are good, so it would be nice to have them turned on
+ by some option. */
+
+ /* If the output machine is normal sparc, we can't allow v9 input files. */
+ if (bfd_get_mach (obfd) == bfd_mach_sparc
+ && (bfd_get_mach (ibfd) == bfd_mach_sparc_v8plus
+ || bfd_get_mach (ibfd) == bfd_mach_sparc_v8plusa))
+ {
+ error = true;
+ (*_bfd_error_handler)
+ (_("%s: compiled for a v8plus system and target is v8"),
+ bfd_get_filename (ibfd));
+ }
+ /* If the output machine is v9, we can't allow v9+vis input files. */
+ if (bfd_get_mach (obfd) == bfd_mach_sparc_v8plus
+ && bfd_get_mach (ibfd) == bfd_mach_sparc_v8plusa)
+ {
+ error = true;
+ (*_bfd_error_handler)
+ (_("%s: compiled for a v8plusa system and target is v8plus"),
+ bfd_get_filename (ibfd));
+ }
+#else
+ if (bfd_get_mach (ibfd) >= bfd_mach_sparc_v9)
+ {
+ error = true;
+ (*_bfd_error_handler)
+ (_("%s: compiled for a 64 bit system and target is 32 bit"),
+ bfd_get_filename (ibfd));
+ }
+ else if (bfd_get_mach (obfd) < bfd_get_mach (ibfd))
+ bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd));
+#endif
- bfd_elf32_swap_symbol_out (output_bfd, &sym,
- ((Elf32_External_Sym *) sdynsym->contents
- + elf_section_data (s)->dynindx));
- }
+ if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA)
+ != previous_ibfd_e_flags)
+ && previous_ibfd_e_flags != (unsigned long) -1)
+ {
+ (*_bfd_error_handler)
+ (_("%s: linking little endian files with big endian files"),
+ bfd_get_filename (ibfd));
+ error = true;
+ }
+ previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA;
- /* Set the sh_info field of the output .dynsym section to the
- index of the first global symbol. */
- elf_section_data (sdynsym->output_section)->this_hdr.sh_info =
- bfd_count_sections (output_bfd) + 1;
+ if (error)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return false;
}
return true;
}
+\f
+/* Set the right machine number. */
+
+static boolean
+elf32_sparc_object_p (abfd)
+ bfd *abfd;
+{
+ if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
+ {
+ if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
+ return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
+ bfd_mach_sparc_v8plusa);
+ else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
+ return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
+ bfd_mach_sparc_v8plus);
+ else
+ return false;
+ }
+ else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
+ return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
+ bfd_mach_sparc_sparclite_le);
+ else
+ return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
+}
+
+/* The final processing done just before writing out the object file.
+ We need to set the e_machine field appropriately. */
+static void
+elf32_sparc_final_write_processing (abfd, linker)
+ bfd *abfd;
+ boolean linker ATTRIBUTE_UNUSED;
+{
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_sparc :
+ break; /* nothing to do */
+ case bfd_mach_sparc_v8plus :
+ elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
+ elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
+ elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS;
+ break;
+ case bfd_mach_sparc_v8plusa :
+ 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;
+ break;
+ case bfd_mach_sparc_sparclite_le :
+ elf_elfheader (abfd)->e_machine = EM_SPARC;
+ elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA;
+ break;
+ default :
+ abort ();
+ break;
+ }
+}
+\f
#define TARGET_BIG_SYM bfd_elf32_sparc_vec
#define TARGET_BIG_NAME "elf32-sparc"
#define ELF_ARCH bfd_arch_sparc
#define ELF_MACHINE_CODE EM_SPARC
+#define ELF_MACHINE_ALT1 EM_SPARC32PLUS
#define ELF_MAXPAGESIZE 0x10000
+
+#define bfd_elf32_bfd_reloc_type_lookup elf32_sparc_reloc_type_lookup
+#define elf_info_to_howto elf32_sparc_info_to_howto
#define elf_backend_create_dynamic_sections \
- elf32_sparc_create_dynamic_sections
+ _bfd_elf_create_dynamic_sections
#define elf_backend_check_relocs elf32_sparc_check_relocs
#define elf_backend_adjust_dynamic_symbol \
elf32_sparc_adjust_dynamic_symbol
elf32_sparc_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections \
elf32_sparc_finish_dynamic_sections
+#define bfd_elf32_bfd_merge_private_bfd_data \
+ elf32_sparc_merge_private_bfd_data
+#define elf_backend_object_p elf32_sparc_object_p
+#define elf_backend_final_write_processing \
+ elf32_sparc_final_write_processing
+#define elf_backend_gc_mark_hook elf32_sparc_gc_mark_hook
+#define elf_backend_gc_sweep_hook elf32_sparc_gc_sweep_hook
+
+#define elf_backend_can_gc_sections 1
+#define elf_backend_want_got_plt 0
+#define elf_backend_plt_readonly 0
+#define elf_backend_want_plt_sym 1
+#define elf_backend_got_header_size 4
+#define elf_backend_plt_header_size (4*PLT_ENTRY_SIZE)
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff