/* IBM S/390-specific support for 32-bit ELF
- Copyright 2000, 2001 Free Software Foundation, Inc.
+ Copyright 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
Contributed by Carl B. Pedersen and Martin Schwidefsky.
This file is part of BFD, the Binary File Descriptor library.
PARAMS ((bfd *, bfd_reloc_code_real_type));
static void elf_s390_info_to_howto
PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
-static boolean elf_s390_is_local_label_name
+static bfd_boolean elf_s390_is_local_label_name
PARAMS ((bfd *, const char *));
static struct bfd_hash_entry *link_hash_newfunc
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
static struct bfd_link_hash_table *elf_s390_link_hash_table_create
PARAMS ((bfd *));
-static boolean create_got_section
+static bfd_boolean create_got_section
PARAMS((bfd *, struct bfd_link_info *));
-static boolean elf_s390_create_dynamic_sections
+static bfd_boolean elf_s390_create_dynamic_sections
PARAMS((bfd *, struct bfd_link_info *));
static void elf_s390_copy_indirect_symbol
- PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
-static boolean elf_s390_check_relocs
+ PARAMS ((const struct elf_backend_data *, struct elf_link_hash_entry *,
+ struct elf_link_hash_entry *));
+static bfd_boolean elf_s390_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
static asection *elf_s390_gc_mark_hook
- PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *,
+ PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *, Elf_Internal_Sym *));
-static boolean elf_s390_gc_sweep_hook
+static bfd_boolean elf_s390_gc_sweep_hook
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
-static boolean elf_s390_adjust_dynamic_symbol
+struct elf_s390_link_hash_entry;
+static void elf_s390_adjust_gotplt
+ PARAMS ((struct elf_s390_link_hash_entry *));
+static bfd_boolean elf_s390_adjust_dynamic_symbol
PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-static boolean allocate_dynrelocs
+static bfd_boolean allocate_dynrelocs
PARAMS ((struct elf_link_hash_entry *, PTR));
-static boolean readonly_dynrelocs
+static bfd_boolean readonly_dynrelocs
PARAMS ((struct elf_link_hash_entry *, PTR));
-static boolean elf_s390_size_dynamic_sections
+static bfd_boolean elf_s390_size_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
-static boolean elf_s390_relocate_section
+static bfd_boolean elf_s390_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-static boolean elf_s390_finish_dynamic_symbol
+static bfd_boolean elf_s390_finish_dynamic_symbol
PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
Elf_Internal_Sym *));
static enum elf_reloc_type_class elf_s390_reloc_type_class
PARAMS ((const Elf_Internal_Rela *));
-static boolean elf_s390_finish_dynamic_sections
+static bfd_boolean elf_s390_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
-static boolean elf_s390_object_p PARAMS ((bfd *));
-
-#define USE_RELA 1 /* We want RELA relocations, not REL. */
+static bfd_boolean elf_s390_mkobject
+ PARAMS ((bfd *));
+static bfd_boolean elf_s390_object_p
+ PARAMS ((bfd *));
+static bfd_boolean elf_s390_grok_prstatus
+ PARAMS ((bfd *, Elf_Internal_Note *));
+static int elf_s390_tls_transition
+ PARAMS ((struct bfd_link_info *, int, int));
+static bfd_reloc_status_type s390_tls_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_vma dtpoff_base
+ PARAMS ((struct bfd_link_info *));
+static bfd_vma tpoff
+ PARAMS ((struct bfd_link_info *, bfd_vma));
+static void invalid_tls_insn
+ PARAMS ((bfd *, asection *, Elf_Internal_Rela *));
+static bfd_reloc_status_type s390_elf_ldisp_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
#include "elf/s390.h"
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_390_NONE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
-
- HOWTO(R_390_8, 0, 0, 8, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_8", false, 0,0x000000ff, false),
- HOWTO(R_390_12, 0, 1, 12, false, 0, complain_overflow_dont, bfd_elf_generic_reloc, "R_390_12", false, 0,0x00000fff, false),
- HOWTO(R_390_16, 0, 1, 16, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_16", false, 0,0x0000ffff, false),
- HOWTO(R_390_32, 0, 2, 32, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_32", false, 0,0xffffffff, false),
- HOWTO(R_390_PC32, 0, 2, 32, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_PC32", false, 0,0xffffffff, true),
- HOWTO(R_390_GOT12, 0, 1, 12, false, 0, complain_overflow_dont, bfd_elf_generic_reloc, "R_390_GOT12", false, 0,0x00000fff, false),
- HOWTO(R_390_GOT32, 0, 2, 32, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_GOT32", false, 0,0xffffffff, false),
- HOWTO(R_390_PLT32, 0, 2, 32, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_PLT32", false, 0,0xffffffff, true),
- HOWTO(R_390_COPY, 0, 2, 32, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_COPY", false, 0,0xffffffff, false),
- HOWTO(R_390_GLOB_DAT, 0, 2, 32, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_GLOB_DAT",false, 0,0xffffffff, false),
- HOWTO(R_390_JMP_SLOT, 0, 2, 32, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_JMP_SLOT",false, 0,0xffffffff, false),
- HOWTO(R_390_RELATIVE, 0, 2, 32, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_RELATIVE",false, 0,0xffffffff, false),
- HOWTO(R_390_GOTOFF, 0, 2, 32, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_GOTOFF", false, 0,0xffffffff, false),
- HOWTO(R_390_GOTPC, 0, 2, 32, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_GOTPC", false, 0,0xffffffff, true),
- HOWTO(R_390_GOT16, 0, 1, 16, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_GOT16", false, 0,0x0000ffff, false),
- HOWTO(R_390_PC16, 0, 1, 16, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_PC16", false, 0,0x0000ffff, true),
- HOWTO(R_390_PC16DBL, 1, 1, 16, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_PC16DBL", false, 0,0x0000ffff, true),
- HOWTO(R_390_PLT16DBL, 1, 1, 16, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_390_PLT16DBL", false, 0,0x0000ffff, true),
+ FALSE), /* pcrel_offset */
+
+ HOWTO(R_390_8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_8", FALSE, 0,0x000000ff, FALSE),
+ HOWTO(R_390_12, 0, 1, 12, FALSE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_390_12", FALSE, 0,0x00000fff, FALSE),
+ HOWTO(R_390_16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_16", FALSE, 0,0x0000ffff, FALSE),
+ HOWTO(R_390_32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_32", FALSE, 0,0xffffffff, FALSE),
+ HOWTO(R_390_PC32, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC32", FALSE, 0,0xffffffff, TRUE),
+ HOWTO(R_390_GOT12, 0, 1, 12, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOT12", FALSE, 0,0x00000fff, FALSE),
+ HOWTO(R_390_GOT32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOT32", FALSE, 0,0xffffffff, FALSE),
+ HOWTO(R_390_PLT32, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT32", FALSE, 0,0xffffffff, TRUE),
+ HOWTO(R_390_COPY, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_COPY", FALSE, 0,0xffffffff, FALSE),
+ HOWTO(R_390_GLOB_DAT, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GLOB_DAT", FALSE, 0,0xffffffff, FALSE),
+ HOWTO(R_390_JMP_SLOT, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_JMP_SLOT", FALSE, 0,0xffffffff, FALSE),
+ HOWTO(R_390_RELATIVE, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_RELATIVE", FALSE, 0,0xffffffff, FALSE),
+ HOWTO(R_390_GOTOFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTOFF32", FALSE, 0,0xffffffff, FALSE),
+ HOWTO(R_390_GOTPC, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPC", FALSE, 0,0xffffffff, TRUE),
+ HOWTO(R_390_GOT16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOT16", FALSE, 0,0x0000ffff, FALSE),
+ HOWTO(R_390_PC16, 0, 1, 16, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC16", FALSE, 0,0x0000ffff, TRUE),
+ HOWTO(R_390_PC16DBL, 1, 1, 16, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC16DBL", FALSE, 0,0x0000ffff, TRUE),
+ HOWTO(R_390_PLT16DBL, 1, 1, 16, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT16DBL", FALSE, 0,0x0000ffff, TRUE),
+ HOWTO(R_390_PC32DBL, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC32DBL", FALSE, 0,0xffffffff, TRUE),
+ HOWTO(R_390_PLT32DBL, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT32DBL", FALSE, 0,0xffffffff, TRUE),
+ HOWTO(R_390_GOTPCDBL, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPCDBL", FALSE, 0,0xffffffff, TRUE),
+ EMPTY_HOWTO (R_390_64), /* Empty entry for R_390_64. */
+ EMPTY_HOWTO (R_390_PC64), /* Empty entry for R_390_PC64. */
+ EMPTY_HOWTO (R_390_GOT64), /* Empty entry for R_390_GOT64. */
+ EMPTY_HOWTO (R_390_PLT64), /* Empty entry for R_390_PLT64. */
+ HOWTO(R_390_GOTENT, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTENT", FALSE, 0,0xffffffff, TRUE),
+ HOWTO(R_390_GOTOFF16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTOFF16", FALSE, 0,0x0000ffff, FALSE),
+ EMPTY_HOWTO (R_390_GOTOFF64), /* Empty entry for R_390_GOTOFF64. */
+ HOWTO(R_390_GOTPLT12, 0, 1, 12, FALSE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_390_GOTPLT12", FALSE, 0,0x00000fff, FALSE),
+ HOWTO(R_390_GOTPLT16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPLT16", FALSE, 0,0x0000ffff, FALSE),
+ HOWTO(R_390_GOTPLT32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPLT32", FALSE, 0,0xffffffff, FALSE),
+ EMPTY_HOWTO (R_390_GOTPLT64), /* Empty entry for R_390_GOTPLT64. */
+ HOWTO(R_390_GOTPLTENT, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPLTENT",FALSE, 0,0xffffffff, TRUE),
+ HOWTO(R_390_PLTOFF16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLTOFF16", FALSE, 0,0x0000ffff, FALSE),
+ HOWTO(R_390_PLTOFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLTOFF32", FALSE, 0,0xffffffff, FALSE),
+ EMPTY_HOWTO (R_390_PLTOFF64), /* Empty entry for R_390_PLTOFF64. */
+ HOWTO(R_390_TLS_LOAD, 0, 0, 0, FALSE, 0, complain_overflow_dont,
+ s390_tls_reloc, "R_390_TLS_LOAD", FALSE, 0, 0, FALSE),
+ HOWTO(R_390_TLS_GDCALL, 0, 0, 0, FALSE, 0, complain_overflow_dont,
+ s390_tls_reloc, "R_390_TLS_GDCALL", FALSE, 0, 0, FALSE),
+ HOWTO(R_390_TLS_LDCALL, 0, 0, 0, FALSE, 0, complain_overflow_dont,
+ s390_tls_reloc, "R_390_TLS_LDCALL", FALSE, 0, 0, FALSE),
+ HOWTO(R_390_TLS_GD32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_GD32", FALSE, 0, 0xffffffff, FALSE),
+ EMPTY_HOWTO (R_390_TLS_GD64), /* Empty entry for R_390_TLS_GD64. */
+ HOWTO(R_390_TLS_GOTIE12, 0, 1, 12, FALSE, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_390_TLS_GOTIE12", FALSE, 0, 0x00000fff, FALSE),
+ HOWTO(R_390_TLS_GOTIE32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_GOTIE32", FALSE, 0, 0xffffffff, FALSE),
+ EMPTY_HOWTO (R_390_TLS_GOTIE64), /* Empty entry for R_390_TLS_GOTIE64. */
+ HOWTO(R_390_TLS_LDM32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_LDM32", FALSE, 0, 0xffffffff, FALSE),
+ EMPTY_HOWTO (R_390_TLS_LDM64), /* Empty entry for R_390_TLS_LDM64. */
+ HOWTO(R_390_TLS_IE32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_IE32", FALSE, 0, 0xffffffff, FALSE),
+ EMPTY_HOWTO (R_390_TLS_IE64), /* Empty entry for R_390_TLS_IE64. */
+ HOWTO(R_390_TLS_IEENT, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_IEENT", FALSE, 0, 0xffffffff, TRUE),
+ HOWTO(R_390_TLS_LE32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_LE32", FALSE, 0, 0xffffffff, FALSE),
+ EMPTY_HOWTO (R_390_TLS_LE64), /* Empty entry for R_390_TLS_LE64. */
+ HOWTO(R_390_TLS_LDO32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_LDO32", FALSE, 0, 0xffffffff, FALSE),
+ EMPTY_HOWTO (R_390_TLS_LDO64), /* Empty entry for R_390_TLS_LDO64. */
+ HOWTO(R_390_TLS_DTPMOD, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_DTPMOD", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_TLS_DTPOFF, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_DTPOFF", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_TLS_TPOFF, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_TPOFF", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
+ s390_elf_ldisp_reloc, "R_390_20", FALSE, 0,0x0fffff00, FALSE),
+ HOWTO(R_390_GOT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
+ s390_elf_ldisp_reloc, "R_390_GOT20", FALSE, 0,0x0fffff00, FALSE),
+ HOWTO(R_390_GOTPLT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
+ s390_elf_ldisp_reloc, "R_390_GOTPLT20", FALSE, 0,0x0fffff00, FALSE),
+ HOWTO(R_390_TLS_GOTIE20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
+ s390_elf_ldisp_reloc, "R_390_TLS_GOTIE20", FALSE, 0,0x0fffff00, FALSE),
};
/* GNU extension to record C++ vtable hierarchy. */
static reloc_howto_type elf32_s390_vtinherit_howto =
- HOWTO (R_390_GNU_VTINHERIT, 0,2,0,false,0,complain_overflow_dont, NULL, "R_390_GNU_VTINHERIT", false,0, 0, false);
+ HOWTO (R_390_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_390_GNU_VTINHERIT", FALSE,0, 0, FALSE);
static reloc_howto_type elf32_s390_vtentry_howto =
- HOWTO (R_390_GNU_VTENTRY, 0,2,0,false,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_390_GNU_VTENTRY", false,0,0, false);
+ HOWTO (R_390_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_390_GNU_VTENTRY", FALSE,0,0, FALSE);
static reloc_howto_type *
elf_s390_reloc_type_lookup (abfd, code)
case BFD_RELOC_390_RELATIVE:
return &elf_howto_table[(int) R_390_RELATIVE];
case BFD_RELOC_32_GOTOFF:
- return &elf_howto_table[(int) R_390_GOTOFF];
+ return &elf_howto_table[(int) R_390_GOTOFF32];
case BFD_RELOC_390_GOTPC:
return &elf_howto_table[(int) R_390_GOTPC];
case BFD_RELOC_390_GOT16:
return &elf_howto_table[(int) R_390_PC16DBL];
case BFD_RELOC_390_PLT16DBL:
return &elf_howto_table[(int) R_390_PLT16DBL];
+ case BFD_RELOC_390_PC32DBL:
+ return &elf_howto_table[(int) R_390_PC32DBL];
+ case BFD_RELOC_390_PLT32DBL:
+ return &elf_howto_table[(int) R_390_PLT32DBL];
+ case BFD_RELOC_390_GOTPCDBL:
+ return &elf_howto_table[(int) R_390_GOTPCDBL];
+ case BFD_RELOC_390_GOTENT:
+ return &elf_howto_table[(int) R_390_GOTENT];
+ case BFD_RELOC_16_GOTOFF:
+ return &elf_howto_table[(int) R_390_GOTOFF16];
+ case BFD_RELOC_390_GOTPLT12:
+ return &elf_howto_table[(int) R_390_GOTPLT12];
+ case BFD_RELOC_390_GOTPLT16:
+ return &elf_howto_table[(int) R_390_GOTPLT16];
+ case BFD_RELOC_390_GOTPLT32:
+ return &elf_howto_table[(int) R_390_GOTPLT32];
+ case BFD_RELOC_390_GOTPLTENT:
+ return &elf_howto_table[(int) R_390_GOTPLTENT];
+ case BFD_RELOC_390_PLTOFF16:
+ return &elf_howto_table[(int) R_390_PLTOFF16];
+ case BFD_RELOC_390_PLTOFF32:
+ return &elf_howto_table[(int) R_390_PLTOFF32];
+ case BFD_RELOC_390_TLS_LOAD:
+ return &elf_howto_table[(int) R_390_TLS_LOAD];
+ case BFD_RELOC_390_TLS_GDCALL:
+ return &elf_howto_table[(int) R_390_TLS_GDCALL];
+ case BFD_RELOC_390_TLS_LDCALL:
+ return &elf_howto_table[(int) R_390_TLS_LDCALL];
+ case BFD_RELOC_390_TLS_GD32:
+ return &elf_howto_table[(int) R_390_TLS_GD32];
+ case BFD_RELOC_390_TLS_GOTIE12:
+ return &elf_howto_table[(int) R_390_TLS_GOTIE12];
+ case BFD_RELOC_390_TLS_GOTIE32:
+ return &elf_howto_table[(int) R_390_TLS_GOTIE32];
+ case BFD_RELOC_390_TLS_LDM32:
+ return &elf_howto_table[(int) R_390_TLS_LDM32];
+ case BFD_RELOC_390_TLS_IE32:
+ return &elf_howto_table[(int) R_390_TLS_IE32];
+ case BFD_RELOC_390_TLS_IEENT:
+ return &elf_howto_table[(int) R_390_TLS_IEENT];
+ case BFD_RELOC_390_TLS_LE32:
+ return &elf_howto_table[(int) R_390_TLS_LE32];
+ case BFD_RELOC_390_TLS_LDO32:
+ return &elf_howto_table[(int) R_390_TLS_LDO32];
+ case BFD_RELOC_390_TLS_DTPMOD:
+ return &elf_howto_table[(int) R_390_TLS_DTPMOD];
+ case BFD_RELOC_390_TLS_DTPOFF:
+ return &elf_howto_table[(int) R_390_TLS_DTPOFF];
+ case BFD_RELOC_390_TLS_TPOFF:
+ return &elf_howto_table[(int) R_390_TLS_TPOFF];
+ case BFD_RELOC_390_20:
+ return &elf_howto_table[(int) R_390_20];
+ case BFD_RELOC_390_GOT20:
+ return &elf_howto_table[(int) R_390_GOT20];
+ case BFD_RELOC_390_GOTPLT20:
+ return &elf_howto_table[(int) R_390_GOTPLT20];
+ case BFD_RELOC_390_TLS_GOTIE20:
+ return &elf_howto_table[(int) R_390_TLS_GOTIE20];
case BFD_RELOC_VTABLE_INHERIT:
return &elf32_s390_vtinherit_howto;
case BFD_RELOC_VTABLE_ENTRY:
}
}
-static boolean
+/* A relocation function which doesn't do anything. */
+static bfd_reloc_status_type
+s390_tls_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry;
+ asymbol *symbol ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ if (output_bfd)
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+}
+
+/* Handle the large displacement relocs. */
+static bfd_reloc_status_type
+s390_elf_ldisp_reloc (abfd, reloc_entry, symbol, data, input_section,
+ output_bfd, error_message)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
+{
+ reloc_howto_type *howto = reloc_entry->howto;
+ bfd_vma relocation;
+ bfd_vma insn;
+
+ if (output_bfd != (bfd *) NULL
+ && (symbol->flags & BSF_SECTION_SYM) == 0
+ && (! 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 > bfd_get_section_limit (abfd, input_section))
+ return bfd_reloc_outofrange;
+
+ relocation = (symbol->value
+ + symbol->section->output_section->vma
+ + symbol->section->output_offset);
+ relocation += reloc_entry->addend;
+ if (howto->pc_relative)
+ {
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset);
+ relocation -= reloc_entry->address;
+ }
+
+ insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
+ insn |= (relocation & 0xfff) << 16 | (relocation & 0xff000) >> 4;
+ bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
+
+ if ((bfd_signed_vma) relocation < - 0x80000
+ || (bfd_signed_vma) relocation > 0x7ffff)
+ return bfd_reloc_overflow;
+ else
+ return bfd_reloc_ok;
+}
+
+static bfd_boolean
elf_s390_is_local_label_name (abfd, name)
bfd *abfd;
const char *name;
{
if (name[0] == '.' && (name[1] == 'X' || name[1] == 'L'))
- return true;
+ return TRUE;
return _bfd_elf_is_local_label_name (abfd, name);
}
#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
+/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
+ copying dynamic variables from a shared lib into an app's dynbss
+ section, and instead use a dynamic relocation to point into the
+ shared lib. */
+#define ELIMINATE_COPY_RELOCS 1
+
/* The size in bytes of the first entry in the procedure linkage table. */
#define PLT_FIRST_ENTRY_SIZE 32
/* The size in bytes of an entry in the procedure linkage table. */
Word 1 is a pointer to a structure describing the object
Word 2 is used to point to the loader entry address.
- The code for position independand PLT entries looks like this:
+ The code for position independent PLT entries looks like this:
r12 holds addr of the current GOT at entry to the PLT
/* Track dynamic relocs copied for this symbol. */
struct elf_s390_dyn_relocs *dyn_relocs;
+
+ /* Number of GOTPLT references for a function. */
+ bfd_signed_vma gotplt_refcount;
+
+#define GOT_UNKNOWN 0
+#define GOT_NORMAL 1
+#define GOT_TLS_GD 2
+#define GOT_TLS_IE 3
+#define GOT_TLS_IE_NLT 4
+ unsigned char tls_type;
};
+#define elf_s390_hash_entry(ent) \
+ ((struct elf_s390_link_hash_entry *)(ent))
+
+struct elf_s390_obj_tdata
+{
+ struct elf_obj_tdata root;
+
+ /* tls_type for each local got entry. */
+ char *local_got_tls_type;
+};
+
+#define elf_s390_tdata(abfd) \
+ ((struct elf_s390_obj_tdata *) (abfd)->tdata.any)
+
+#define elf_s390_local_got_tls_type(abfd) \
+ (elf_s390_tdata (abfd)->local_got_tls_type)
+
+static bfd_boolean
+elf_s390_mkobject (abfd)
+ bfd *abfd;
+{
+ bfd_size_type amt = sizeof (struct elf_s390_obj_tdata);
+ abfd->tdata.any = bfd_zalloc (abfd, amt);
+ if (abfd->tdata.any == NULL)
+ return FALSE;
+ return TRUE;
+}
+
+static bfd_boolean
+elf_s390_object_p (abfd)
+ bfd *abfd;
+{
+ /* Set the right machine number for an s390 elf32 file. */
+ return bfd_default_set_arch_mach (abfd, bfd_arch_s390, bfd_mach_s390_31);
+}
+
/* s390 ELF linker hash table. */
struct elf_s390_link_hash_table
asection *sdynbss;
asection *srelbss;
+ union {
+ bfd_signed_vma refcount;
+ bfd_vma offset;
+ } tls_ldm_got;
+
/* Small local sym to section mapping cache. */
struct sym_sec_cache sym_sec;
};
eh = (struct elf_s390_link_hash_entry *) entry;
eh->dyn_relocs = NULL;
+ eh->gotplt_refcount = 0;
+ eh->tls_type = GOT_UNKNOWN;
}
return entry;
struct elf_s390_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf_s390_link_hash_table);
- ret = (struct elf_s390_link_hash_table *) bfd_alloc (abfd, amt);
+ ret = (struct elf_s390_link_hash_table *) bfd_malloc (amt);
if (ret == NULL)
return NULL;
if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc))
{
- bfd_release (abfd, ret);
+ free (ret);
return NULL;
}
ret->srelplt = NULL;
ret->sdynbss = NULL;
ret->srelbss = NULL;
+ ret->tls_ldm_got.refcount = 0;
ret->sym_sec.abfd = NULL;
return &ret->elf.root;
/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
shortcuts to them in our hash table. */
-static boolean
+static bfd_boolean
create_got_section (dynobj, info)
bfd *dynobj;
struct bfd_link_info *info;
struct elf_s390_link_hash_table *htab;
if (! _bfd_elf_create_got_section (dynobj, info))
- return false;
+ return FALSE;
htab = elf_s390_hash_table (info);
htab->sgot = bfd_get_section_by_name (dynobj, ".got");
| SEC_IN_MEMORY | SEC_LINKER_CREATED
| SEC_READONLY))
|| ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
- return false;
- return true;
+ return FALSE;
+ return TRUE;
}
/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
.rela.bss sections in DYNOBJ, and set up shortcuts to them in our
hash table. */
-static boolean
+static bfd_boolean
elf_s390_create_dynamic_sections (dynobj, info)
bfd *dynobj;
struct bfd_link_info *info;
htab = elf_s390_hash_table (info);
if (!htab->sgot && !create_got_section (dynobj, info))
- return false;
+ return FALSE;
if (!_bfd_elf_create_dynamic_sections (dynobj, info))
- return false;
+ return FALSE;
htab->splt = bfd_get_section_by_name (dynobj, ".plt");
htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
|| (!info->shared && !htab->srelbss))
abort ();
- return true;
+ return TRUE;
}
/* Copy the extra info we tack onto an elf_link_hash_entry. */
static void
-elf_s390_copy_indirect_symbol (dir, ind)
+elf_s390_copy_indirect_symbol (bed, dir, ind)
+ const struct elf_backend_data *bed;
struct elf_link_hash_entry *dir, *ind;
{
struct elf_s390_link_hash_entry *edir, *eind;
eind->dyn_relocs = NULL;
}
- _bfd_elf_link_hash_copy_indirect (dir, ind);
+ if (ind->root.type == bfd_link_hash_indirect
+ && dir->got.refcount <= 0)
+ {
+ edir->tls_type = eind->tls_type;
+ eind->tls_type = GOT_UNKNOWN;
+ }
+
+ if (ELIMINATE_COPY_RELOCS
+ && ind->root.type != bfd_link_hash_indirect
+ && dir->dynamic_adjusted)
+ {
+ /* If called to transfer flags for a weakdef during processing
+ of elf_adjust_dynamic_symbol, don't copy non_got_ref.
+ We clear it ourselves for ELIMINATE_COPY_RELOCS. */
+ dir->ref_dynamic |= ind->ref_dynamic;
+ dir->ref_regular |= ind->ref_regular;
+ dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
+ dir->needs_plt |= ind->needs_plt;
+ }
+ else
+ _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
+}
+
+static int
+elf_s390_tls_transition (info, r_type, is_local)
+ struct bfd_link_info *info;
+ int r_type;
+ int is_local;
+{
+ if (info->shared)
+ return r_type;
+
+ switch (r_type)
+ {
+ case R_390_TLS_GD32:
+ case R_390_TLS_IE32:
+ if (is_local)
+ return R_390_TLS_LE32;
+ return R_390_TLS_IE32;
+ case R_390_TLS_GOTIE32:
+ if (is_local)
+ return R_390_TLS_LE32;
+ return R_390_TLS_GOTIE32;
+ case R_390_TLS_LDM32:
+ return R_390_TLS_LE32;
+ }
+
+ return r_type;
}
/* Look through the relocs for a section during the first phase, and
allocate space in the global offset table or procedure linkage
table. */
-static boolean
+static bfd_boolean
elf_s390_check_relocs (abfd, info, sec, relocs)
bfd *abfd;
struct bfd_link_info *info;
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
asection *sreloc;
+ bfd_signed_vma *local_got_refcounts;
+ int tls_type, old_tls_type;
- if (info->relocateable)
- return true;
+ if (info->relocatable)
+ return TRUE;
htab = elf_s390_hash_table (info);
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
+ local_got_refcounts = elf_local_got_refcounts (abfd);
sreloc = NULL;
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
{
+ unsigned int r_type;
unsigned long r_symndx;
struct elf_link_hash_entry *h;
if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
{
- (*_bfd_error_handler) (_("%s: bad symbol index: %d"),
- bfd_archive_filename (abfd),
- r_symndx);
- return false;
+ (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
+ abfd, r_symndx);
+ return FALSE;
}
if (r_symndx < symtab_hdr->sh_info)
else
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- switch (ELF32_R_TYPE (rel->r_info))
+ /* Create got section and local_got_refcounts array if they
+ are needed. */
+ r_type = elf_s390_tls_transition (info,
+ ELF32_R_TYPE (rel->r_info),
+ h == NULL);
+ switch (r_type)
{
case R_390_GOT12:
- case R_390_GOT16:
+ case R_390_GOT16:
+ case R_390_GOT20:
case R_390_GOT32:
- /* This symbol requires a global offset table entry. */
- if (h != NULL)
- {
- h->got.refcount += 1;
- }
- else
+ case R_390_GOTENT:
+ case R_390_GOTPLT12:
+ case R_390_GOTPLT16:
+ case R_390_GOTPLT20:
+ case R_390_GOTPLT32:
+ case R_390_GOTPLTENT:
+ case R_390_TLS_GD32:
+ case R_390_TLS_GOTIE12:
+ case R_390_TLS_GOTIE20:
+ case R_390_TLS_GOTIE32:
+ case R_390_TLS_IEENT:
+ case R_390_TLS_IE32:
+ case R_390_TLS_LDM32:
+ if (h == NULL
+ && local_got_refcounts == NULL)
{
- bfd_signed_vma *local_got_refcounts;
+ bfd_size_type size;
- /* This is a global offset table entry for a local symbol. */
- local_got_refcounts = elf_local_got_refcounts (abfd);
+ size = symtab_hdr->sh_info;
+ size *= (sizeof (bfd_signed_vma) + sizeof(char));
+ local_got_refcounts = ((bfd_signed_vma *)
+ bfd_zalloc (abfd, size));
if (local_got_refcounts == NULL)
- {
- bfd_size_type size;
-
- size = symtab_hdr->sh_info;
- size *= sizeof (bfd_signed_vma);
- local_got_refcounts = ((bfd_signed_vma *)
- bfd_zalloc (abfd, size));
- if (local_got_refcounts == NULL)
- return false;
- elf_local_got_refcounts (abfd) = local_got_refcounts;
- }
- local_got_refcounts[r_symndx] += 1;
+ return FALSE;
+ elf_local_got_refcounts (abfd) = local_got_refcounts;
+ elf_s390_local_got_tls_type (abfd)
+ = (char *) (local_got_refcounts + symtab_hdr->sh_info);
}
- /* Fall through */
-
- case R_390_GOTOFF:
+ /* Fall through. */
+ case R_390_GOTOFF16:
+ case R_390_GOTOFF32:
case R_390_GOTPC:
+ case R_390_GOTPCDBL:
if (htab->sgot == NULL)
{
if (htab->elf.dynobj == NULL)
htab->elf.dynobj = abfd;
if (!create_got_section (htab->elf.dynobj, info))
- return false;
+ return FALSE;
}
+ }
+
+ switch (r_type)
+ {
+ case R_390_GOTOFF16:
+ case R_390_GOTOFF32:
+ case R_390_GOTPC:
+ case R_390_GOTPCDBL:
+ /* Got is created, nothing to be done. */
break;
- case R_390_PLT16DBL:
+ case R_390_PLT16DBL:
+ case R_390_PLT32DBL:
case R_390_PLT32:
+ case R_390_PLTOFF16:
+ case R_390_PLTOFF32:
/* This symbol requires a procedure linkage table entry. We
- actually build the entry in adjust_dynamic_symbol,
- because this might be a case of linking PIC code which is
- never referenced by a dynamic object, in which case we
- don't need to generate a procedure linkage table entry
- after all. */
+ actually build the entry in adjust_dynamic_symbol,
+ because this might be a case of linking PIC code which is
+ never referenced by a dynamic object, in which case we
+ don't need to generate a procedure linkage table entry
+ after all. */
/* If this is a local symbol, we resolve it directly without
- creating a procedure linkage table entry. */
- if (h == NULL)
- continue;
+ creating a procedure linkage table entry. */
+ if (h != NULL)
+ {
+ h->needs_plt = 1;
+ h->plt.refcount += 1;
+ }
+ break;
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- h->plt.refcount += 1;
+ case R_390_GOTPLT12:
+ case R_390_GOTPLT16:
+ case R_390_GOTPLT20:
+ case R_390_GOTPLT32:
+ case R_390_GOTPLTENT:
+ /* This symbol requires either a procedure linkage table entry
+ or an entry in the local got. We actually build the entry
+ in adjust_dynamic_symbol because whether this is really a
+ global reference can change and with it the fact if we have
+ to create a plt entry or a local got entry. To be able to
+ make a once global symbol a local one we have to keep track
+ of the number of gotplt references that exist for this
+ symbol. */
+ if (h != NULL)
+ {
+ ((struct elf_s390_link_hash_entry *) h)->gotplt_refcount++;
+ h->needs_plt = 1;
+ h->plt.refcount += 1;
+ }
+ else
+ local_got_refcounts[r_symndx] += 1;
break;
- case R_390_8:
- case R_390_16:
+ case R_390_TLS_LDM32:
+ htab->tls_ldm_got.refcount += 1;
+ break;
+
+ case R_390_TLS_IE32:
+ case R_390_TLS_GOTIE12:
+ case R_390_TLS_GOTIE20:
+ case R_390_TLS_GOTIE32:
+ case R_390_TLS_IEENT:
+ if (info->shared)
+ info->flags |= DF_STATIC_TLS;
+ /* Fall through. */
+
+ case R_390_GOT12:
+ case R_390_GOT16:
+ case R_390_GOT20:
+ case R_390_GOT32:
+ case R_390_GOTENT:
+ case R_390_TLS_GD32:
+ /* This symbol requires a global offset table entry. */
+ switch (r_type)
+ {
+ default:
+ case R_390_GOT12:
+ case R_390_GOT16:
+ case R_390_GOT20:
+ case R_390_GOT32:
+ case R_390_GOTENT:
+ tls_type = GOT_NORMAL;
+ break;
+ case R_390_TLS_GD32:
+ tls_type = GOT_TLS_GD;
+ break;
+ case R_390_TLS_IE32:
+ case R_390_TLS_GOTIE32:
+ tls_type = GOT_TLS_IE;
+ break;
+ case R_390_TLS_GOTIE12:
+ case R_390_TLS_GOTIE20:
+ case R_390_TLS_IEENT:
+ tls_type = GOT_TLS_IE_NLT;
+ break;
+ }
+
+ if (h != NULL)
+ {
+ h->got.refcount += 1;
+ old_tls_type = elf_s390_hash_entry(h)->tls_type;
+ }
+ else
+ {
+ local_got_refcounts[r_symndx] += 1;
+ old_tls_type = elf_s390_local_got_tls_type (abfd) [r_symndx];
+ }
+ /* If a TLS symbol is accessed using IE at least once,
+ there is no point to use dynamic model for it. */
+ if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN)
+ {
+ if (old_tls_type == GOT_NORMAL || tls_type == GOT_NORMAL)
+ {
+ (*_bfd_error_handler)
+ (_("%B: `%s' accessed both as normal and thread local symbol"),
+ abfd, h->root.root.string);
+ return FALSE;
+ }
+ if (old_tls_type > tls_type)
+ tls_type = old_tls_type;
+ }
+
+ if (old_tls_type != tls_type)
+ {
+ if (h != NULL)
+ elf_s390_hash_entry (h)->tls_type = tls_type;
+ else
+ elf_s390_local_got_tls_type (abfd) [r_symndx] = tls_type;
+ }
+
+ if (r_type != R_390_TLS_IE32)
+ break;
+ /* Fall through. */
+
+ case R_390_TLS_LE32:
+ if (!info->shared)
+ break;
+ info->flags |= DF_STATIC_TLS;
+ /* Fall through. */
+
+ case R_390_8:
+ case R_390_16:
case R_390_32:
- case R_390_PC16:
- case R_390_PC16DBL:
+ case R_390_PC16:
+ case R_390_PC16DBL:
+ case R_390_PC32DBL:
case R_390_PC32:
if (h != NULL && !info->shared)
{
sections have not yet been mapped to output sections.
Tentatively set the flag for now, and correct in
adjust_dynamic_symbol. */
- h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 1;
/* We may need a .plt entry if the function this reloc
refers to is in a shared lib. */
&& (sec->flags & SEC_ALLOC) != 0
&& ((ELF32_R_TYPE (rel->r_info) != R_390_PC16
&& ELF32_R_TYPE (rel->r_info) != R_390_PC16DBL
+ && ELF32_R_TYPE (rel->r_info) != R_390_PC32DBL
&& ELF32_R_TYPE (rel->r_info) != R_390_PC32)
|| (h != NULL
&& (! info->symbolic
|| h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
- || (!info->shared
+ || !h->def_regular))))
+ || (ELIMINATE_COPY_RELOCS
+ && !info->shared
&& (sec->flags & SEC_ALLOC) != 0
&& h != NULL
&& (h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)))
+ || !h->def_regular)))
{
struct elf_s390_dyn_relocs *p;
struct elf_s390_dyn_relocs **head;
elf_elfheader (abfd)->e_shstrndx,
elf_section_data (sec)->rel_hdr.sh_name));
if (name == NULL)
- return false;
+ return FALSE;
if (strncmp (name, ".rela", 5) != 0
|| strcmp (bfd_get_section_name (abfd, sec),
name + 5) != 0)
{
(*_bfd_error_handler)
- (_("%s: bad relocation section name `%s\'"),
- bfd_archive_filename (abfd), name);
+ (_("%B: bad relocation section name `%s\'"),
+ abfd, name);
}
if (htab->elf.dynobj == NULL)
if (sreloc == NULL
|| ! bfd_set_section_flags (dynobj, sreloc, flags)
|| ! bfd_set_section_alignment (dynobj, sreloc, 2))
- return false;
+ return FALSE;
}
elf_section_data (sec)->sreloc = sreloc;
}
/* Track dynamic relocs needed for local syms too.
We really need local syms available to do this
easily. Oh well. */
-
asection *s;
+
s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
sec, r_symndx);
if (s == NULL)
- return false;
+ return FALSE;
head = ((struct elf_s390_dyn_relocs **)
&elf_section_data (s)->local_dynrel);
if (p == NULL || p->sec != sec)
{
bfd_size_type amt = sizeof *p;
+
p = ((struct elf_s390_dyn_relocs *)
bfd_alloc (htab->elf.dynobj, amt));
if (p == NULL)
- return false;
+ return FALSE;
p->next = *head;
*head = p;
p->sec = sec;
p->count += 1;
if (ELF32_R_TYPE (rel->r_info) == R_390_PC16
|| ELF32_R_TYPE (rel->r_info) == R_390_PC16DBL
+ || ELF32_R_TYPE (rel->r_info) == R_390_PC32DBL
|| ELF32_R_TYPE (rel->r_info) == R_390_PC32)
p->pc_count += 1;
}
/* This relocation describes the C++ object vtable hierarchy.
Reconstruct it for later use during GC. */
- case R_390_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return false;
- break;
+ case R_390_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
- case R_390_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_offset))
- return false;
- break;
+ case R_390_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
default:
break;
}
}
- return true;
+ return TRUE;
}
/* Return the section that should be marked against GC for a given
relocation. */
static asection *
-elf_s390_gc_mark_hook (abfd, info, rel, h, sym)
- bfd *abfd;
+elf_s390_gc_mark_hook (sec, info, rel, h, sym)
+ asection *sec;
struct bfd_link_info *info ATTRIBUTE_UNUSED;
Elf_Internal_Rela *rel;
struct elf_link_hash_entry *h;
}
}
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 bfd_section_from_elf_index (sec->owner, sym->st_shndx);
return NULL;
}
/* Update the got entry reference counts for the section being removed. */
-static boolean
+static bfd_boolean
elf_s390_gc_sweep_hook (abfd, info, sec, relocs)
bfd *abfd;
struct bfd_link_info *info;
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;
elf_section_data (sec)->local_dynrel = NULL;
relend = relocs + sec->reloc_count;
for (rel = relocs; rel < relend; rel++)
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_390_GOT12:
- case R_390_GOT16:
- case R_390_GOT32:
- case R_390_GOTOFF:
- case R_390_GOTPC:
- 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 -= 1;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
+ {
+ unsigned long r_symndx;
+ unsigned int r_type;
+ struct elf_link_hash_entry *h = NULL;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ struct elf_s390_link_hash_entry *eh;
+ struct elf_s390_dyn_relocs **pp;
+ struct elf_s390_dyn_relocs *p;
+
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ 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;
+ eh = (struct elf_s390_link_hash_entry *) h;
+
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
+ if (p->sec == sec)
+ {
+ /* Everything must go for SEC. */
+ *pp = p->next;
+ break;
+ }
+ }
+
+ r_type = ELF32_R_TYPE (rel->r_info);
+ r_type = elf_s390_tls_transition (info, r_type, h != NULL);
+ switch (r_type)
+ {
+ case R_390_TLS_LDM32:
+ if (elf_s390_hash_table (info)->tls_ldm_got.refcount > 0)
+ elf_s390_hash_table (info)->tls_ldm_got.refcount -= 1;
+ break;
+
+ case R_390_TLS_GD32:
+ case R_390_TLS_IE32:
+ case R_390_TLS_GOTIE12:
+ case R_390_TLS_GOTIE20:
+ case R_390_TLS_GOTIE32:
+ case R_390_TLS_IEENT:
+ case R_390_GOT12:
+ case R_390_GOT16:
+ case R_390_GOT20:
+ case R_390_GOT32:
+ case R_390_GOTOFF16:
+ case R_390_GOTOFF32:
+ case R_390_GOTPC:
+ case R_390_GOTPCDBL:
+ case R_390_GOTENT:
+ if (h != NULL)
+ {
+ if (h->got.refcount > 0)
+ h->got.refcount -= 1;
+ }
+ else if (local_got_refcounts != NULL)
+ {
+ if (local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx] -= 1;
+ }
+ break;
+
+ case R_390_8:
+ case R_390_12:
+ case R_390_16:
+ case R_390_20:
+ case R_390_32:
+ case R_390_PC16:
+ case R_390_PC16DBL:
+ case R_390_PC32DBL:
+ case R_390_PC32:
+ if (info->shared)
+ break;
+ /* Fall through. */
- case R_390_8:
- case R_390_12:
- case R_390_16:
- case R_390_32:
- case R_390_PC16:
- case R_390_PC16DBL:
- case R_390_PC32:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf_s390_link_hash_entry *eh;
- struct elf_s390_dyn_relocs **pp;
- struct elf_s390_dyn_relocs *p;
-
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
-
- if (!info->shared && h->plt.refcount > 0)
- h->plt.refcount -= 1;
-
- eh = (struct elf_s390_link_hash_entry *) h;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
+ case R_390_PLT16DBL:
+ case R_390_PLT32DBL:
+ case R_390_PLT32:
+ case R_390_PLTOFF16:
+ case R_390_PLTOFF32:
+ if (h != NULL)
+ {
+ if (h->plt.refcount > 0)
+ h->plt.refcount -= 1;
+ }
+ break;
+
+ case R_390_GOTPLT12:
+ case R_390_GOTPLT16:
+ case R_390_GOTPLT20:
+ case R_390_GOTPLT32:
+ case R_390_GOTPLTENT:
+ if (h != NULL)
+ {
+ if (h->plt.refcount > 0)
{
- if (ELF32_R_TYPE (rel->r_info) == R_390_PC16
- || ELF32_R_TYPE (rel->r_info) == R_390_PC16DBL
- || ELF32_R_TYPE (rel->r_info) == R_390_PC32)
- p->pc_count -= 1;
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
+ ((struct elf_s390_link_hash_entry *) h)->gotplt_refcount--;
+ h->plt.refcount -= 1;
}
- }
- break;
+ }
+ else if (local_got_refcounts != NULL)
+ {
+ if (local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx] -= 1;
+ }
+ break;
- case R_390_PLT16DBL:
- case R_390_PLT32:
- 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 -= 1;
- }
- break;
+ default:
+ break;
+ }
+ }
- default:
- break;
- }
+ return TRUE;
+}
+
+/* Make sure we emit a GOT entry if the symbol was supposed to have a PLT
+ entry but we found we will not create any. Called when we find we will
+ not have any PLT for this symbol, by for example
+ elf_s390_adjust_dynamic_symbol when we're doing a proper dynamic link,
+ or elf_s390_size_dynamic_sections if no dynamic sections will be
+ created (we're only linking static objects). */
+
+static void
+elf_s390_adjust_gotplt (h)
+ struct elf_s390_link_hash_entry *h;
+{
+ if (h->elf.root.type == bfd_link_hash_warning)
+ h = (struct elf_s390_link_hash_entry *) h->elf.root.u.i.link;
- return true;
+ if (h->gotplt_refcount <= 0)
+ return;
+
+ /* We simply add the number of gotplt references to the number
+ * of got references for this symbol. */
+ h->elf.got.refcount += h->gotplt_refcount;
+ h->gotplt_refcount = -1;
}
/* Adjust a symbol defined by a dynamic object and referenced by a
change the definition to something the rest of the link can
understand. */
-static boolean
+static bfd_boolean
elf_s390_adjust_dynamic_symbol (info, h)
struct bfd_link_info *info;
struct elf_link_hash_entry *h;
{
struct elf_s390_link_hash_table *htab;
- struct elf_s390_link_hash_entry * eh;
- struct elf_s390_dyn_relocs *p;
asection *s;
unsigned int power_of_two;
/* 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). */
if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ || h->needs_plt)
{
if (h->plt.refcount <= 0
|| (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0))
+ && !h->def_dynamic
+ && !h->ref_dynamic
+ && h->root.type != bfd_link_hash_undefweak
+ && h->root.type != bfd_link_hash_undefined))
{
/* This case can occur if we saw a PLT32 reloc in an input
- file, but the symbol was never referred to by a dynamic
- object, or if all references were garbage collected. In
+ file, but the symbol was never referred to by a dynamic
+ object, or if all references were garbage collected. In
such a case, we don't actually need to build a procedure
linkage table, and we can just do a PC32 reloc instead. */
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
+ elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
}
- return true;
+ return TRUE;
}
else
/* It's possible that we incorrectly decided a .plt reloc was
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->weakdef != NULL)
+ if (h->u.weakdef != NULL)
{
- 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;
+ BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
+ || h->u.weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->u.weakdef->root.u.def.section;
+ h->root.u.def.value = h->u.weakdef->root.u.def.value;
+ if (ELIMINATE_COPY_RELOCS || info->nocopyreloc)
+ h->non_got_ref = h->u.weakdef->non_got_ref;
+ return TRUE;
}
/* This is a reference to a symbol defined by a dynamic object which
For such cases we need not do anything here; the relocations will
be handled correctly by relocate_section. */
if (info->shared)
- return true;
+ 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;
+ if (!h->non_got_ref)
+ return TRUE;
/* If -z nocopyreloc was given, we won't generate them either. */
if (info->nocopyreloc)
{
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
- return true;
+ h->non_got_ref = 0;
+ return TRUE;
}
- eh = (struct elf_s390_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ if (ELIMINATE_COPY_RELOCS)
{
- s = p->sec->output_section;
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- break;
- }
+ struct elf_s390_link_hash_entry * eh;
+ struct elf_s390_dyn_relocs *p;
- /* If we didn't find any dynamic relocs in read-only sections, then
- we'll be keeping the dynamic relocs and avoiding the copy reloc. */
- if (p == NULL)
- {
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
- return true;
+ eh = (struct elf_s390_link_hash_entry *) h;
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ s = p->sec->output_section;
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ break;
+ }
+
+ /* If we didn't find any dynamic relocs in read-only sections, then
+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */
+ if (p == NULL)
+ {
+ h->non_got_ref = 0;
+ return TRUE;
+ }
}
/* We must allocate the symbol in our .dynbss section, which will
runtime process image. */
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
{
- htab->srelbss->_raw_size += sizeof (Elf32_External_Rela);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ htab->srelbss->size += sizeof (Elf32_External_Rela);
+ h->needs_copy = 1;
}
/* We need to figure out the alignment required for this symbol. I
/* Apply the required alignment. */
s = htab->sdynbss;
- s->_raw_size = BFD_ALIGN (s->_raw_size, (bfd_size_type) (1 << power_of_two));
+ s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
if (power_of_two > bfd_get_section_alignment (htab->elf.dynobj, s))
{
if (! bfd_set_section_alignment (htab->elf.dynobj, s, power_of_two))
- return false;
+ return FALSE;
}
/* Define the symbol as being at this point in the section. */
h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
+ h->root.u.def.value = s->size;
/* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
+ s->size += h->size;
- return true;
+ return TRUE;
}
-/* This is the condition under which elf_s390_finish_dynamic_symbol
- will be called from elflink.h. If elflink.h doesn't call our
- finish_dynamic_symbol routine, we'll need to do something about
- initializing any .plt and .got entries in elf_s390_relocate_section. */
-#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \
- ((DYN) \
- && ((INFO)->shared \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
- && ((H)->dynindx != -1 \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
-
/* Allocate space in .plt, .got and associated reloc sections for
dynamic relocs. */
-static boolean
+static bfd_boolean
allocate_dynrelocs (h, inf)
struct elf_link_hash_entry *h;
PTR inf;
struct elf_s390_link_hash_entry *eh;
struct elf_s390_dyn_relocs *p;
- if (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- return true;
+ if (h->root.type == bfd_link_hash_indirect)
+ return TRUE;
+
+ if (h->root.type == bfd_link_hash_warning)
+ /* When warning symbols are created, they **replace** the "real"
+ entry in the hash table, thus we never get to see the real
+ symbol in a hash traversal. So look at it now. */
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
info = (struct bfd_link_info *) inf;
htab = elf_s390_hash_table (info);
if (htab->elf.dynamic_sections_created
- && h->plt.refcount > 0)
+ && h->plt.refcount > 0
+ && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak))
{
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
- return false;
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
}
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h))
+ if (info->shared
+ || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
{
asection *s = htab->splt;
/* If this is the first .plt entry, make room for the special
first entry. */
- if (s->_raw_size == 0)
- s->_raw_size += PLT_FIRST_ENTRY_SIZE;
+ if (s->size == 0)
+ s->size += PLT_FIRST_ENTRY_SIZE;
- h->plt.offset = s->_raw_size;
+ h->plt.offset = s->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
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->def_regular)
{
h->root.u.def.section = s;
h->root.u.def.value = h->plt.offset;
}
/* Make room for this entry. */
- s->_raw_size += PLT_ENTRY_SIZE;
+ s->size += PLT_ENTRY_SIZE;
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
- htab->sgotplt->_raw_size += GOT_ENTRY_SIZE;
+ htab->sgotplt->size += GOT_ENTRY_SIZE;
/* We also need to make an entry in the .rela.plt section. */
- htab->srelplt->_raw_size += sizeof (Elf32_External_Rela);
+ htab->srelplt->size += sizeof (Elf32_External_Rela);
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
+ elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
}
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
+ elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
}
- if (h->got.refcount > 0)
+ /* If R_390_TLS_{IE32,GOTIE32,GOTIE12,IEENT} symbol is now local to
+ the binary, we can optimize a bit. IE32 and GOTIE32 get converted
+ to R_390_TLS_LE32 requiring no TLS entry. For GOTIE12 and IEENT
+ we can save the dynamic TLS relocation. */
+ if (h->got.refcount > 0
+ && !info->shared
+ && h->dynindx == -1
+ && elf_s390_hash_entry(h)->tls_type >= GOT_TLS_IE)
{
+ if (elf_s390_hash_entry(h)->tls_type == GOT_TLS_IE_NLT)
+ /* For the GOTIE access without a literal pool entry the offset has
+ to be stored somewhere. The immediate value in the instruction
+ is not bit enough so the value is stored in the got. */
+ {
+ h->got.offset = htab->sgot->size;
+ htab->sgot->size += GOT_ENTRY_SIZE;
+ }
+ else
+ h->got.offset = (bfd_vma) -1;
+ }
+ else if (h->got.refcount > 0)
+ {
asection *s;
- boolean dyn;
+ bfd_boolean dyn;
+ int tls_type = elf_s390_hash_entry(h)->tls_type;
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
- return false;
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
}
s = htab->sgot;
- h->got.offset = s->_raw_size;
- s->_raw_size += GOT_ENTRY_SIZE;
+ h->got.offset = s->size;
+ s->size += GOT_ENTRY_SIZE;
+ /* R_390_TLS_GD32 needs 2 consecutive GOT slots. */
+ if (tls_type == GOT_TLS_GD)
+ s->size += GOT_ENTRY_SIZE;
dyn = htab->elf.dynamic_sections_created;
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h))
- htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ /* R_390_TLS_IE32 needs one dynamic relocation,
+ R_390_TLS_GD32 needs one if local symbol and two if global. */
+ if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
+ || tls_type >= GOT_TLS_IE)
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
+ else if (tls_type == GOT_TLS_GD)
+ htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
+ else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak)
+ && (info->shared
+ || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
}
else
h->got.offset = (bfd_vma) -1;
eh = (struct elf_s390_link_hash_entry *) h;
if (eh->dyn_relocs == NULL)
- return true;
+ return TRUE;
/* In the shared -Bsymbolic case, discard space allocated for
dynamic pc-relative relocs against symbols which turn out to be
if (info->shared)
{
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
- && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
- || info->symbolic))
+ if (SYMBOL_REFERENCES_LOCAL (info, h))
{
struct elf_s390_dyn_relocs **pp;
pp = &p->next;
}
}
+
+ /* Also discard relocs on undefined weak syms with non-default
+ visibility. */
+ if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ && h->root.type == bfd_link_hash_undefweak)
+ eh->dyn_relocs = NULL;
}
- else
+ else if (ELIMINATE_COPY_RELOCS)
{
/* For the non-shared case, discard space for relocs against
symbols which turn out to need copy relocs or are not
dynamic. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
|| (htab->elf.dynamic_sections_created
&& (h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_undefined))))
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
- return false;
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
}
/* If that succeeded, we know we'll be keeping all the
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
asection *sreloc = elf_section_data (p->sec)->sreloc;
- sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela);
+
+ sreloc->size += p->count * sizeof (Elf32_External_Rela);
}
- return true;
+ return TRUE;
}
/* Find any dynamic relocs that apply to read-only sections. */
-static boolean
+static bfd_boolean
readonly_dynrelocs (h, inf)
struct elf_link_hash_entry *h;
PTR inf;
struct elf_s390_link_hash_entry *eh;
struct elf_s390_dyn_relocs *p;
+ if (h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
eh = (struct elf_s390_link_hash_entry *) h;
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
info->flags |= DF_TEXTREL;
/* Not an error, just cut short the traversal. */
- return false;
+ return FALSE;
}
}
- return true;
+ return TRUE;
}
/* Set the sizes of the dynamic sections. */
-static boolean
+static bfd_boolean
elf_s390_size_dynamic_sections (output_bfd, info)
bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
struct elf_s390_link_hash_table *htab;
bfd *dynobj;
asection *s;
- boolean relocs;
+ bfd_boolean relocs;
bfd *ibfd;
htab = elf_s390_hash_table (info);
if (htab->elf.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (! info->shared)
+ if (info->executable)
{
s = bfd_get_section_by_name (dynobj, ".interp");
if (s == NULL)
abort ();
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
}
{
bfd_signed_vma *local_got;
bfd_signed_vma *end_local_got;
+ char *local_tls_type;
bfd_size_type locsymcount;
Elf_Internal_Shdr *symtab_hdr;
asection *srela;
linker script /DISCARD/, so we'll be discarding
the relocs too. */
}
- else
+ else if (p->count != 0)
{
srela = elf_section_data (p->sec)->sreloc;
- srela->_raw_size += p->count * sizeof (Elf32_External_Rela);
+ srela->size += p->count * sizeof (Elf32_External_Rela);
+ if ((p->sec->output_section->flags & SEC_READONLY) != 0)
+ info->flags |= DF_TEXTREL;
}
}
}
symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
locsymcount = symtab_hdr->sh_info;
end_local_got = local_got + locsymcount;
+ local_tls_type = elf_s390_local_got_tls_type (ibfd);
s = htab->sgot;
srela = htab->srelgot;
- for (; local_got < end_local_got; ++local_got)
+ for (; local_got < end_local_got; ++local_got, ++local_tls_type)
{
if (*local_got > 0)
{
- *local_got = s->_raw_size;
- s->_raw_size += GOT_ENTRY_SIZE;
+ *local_got = s->size;
+ s->size += GOT_ENTRY_SIZE;
+ if (*local_tls_type == GOT_TLS_GD)
+ s->size += GOT_ENTRY_SIZE;
if (info->shared)
- srela->_raw_size += sizeof (Elf32_External_Rela);
+ srela->size += sizeof (Elf32_External_Rela);
}
else
*local_got = (bfd_vma) -1;
}
}
+ if (htab->tls_ldm_got.refcount > 0)
+ {
+ /* Allocate 2 got entries and 1 dynamic reloc for R_390_TLS_LDM32
+ relocs. */
+ htab->tls_ldm_got.offset = htab->sgot->size;
+ htab->sgot->size += 2 * GOT_ENTRY_SIZE;
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
+ }
+ else
+ htab->tls_ldm_got.offset = -1;
+
/* Allocate global sym .plt and .got entries, and space for global
sym dynamic relocs. */
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
/* We now have determined the sizes of the various dynamic sections.
Allocate memory for them. */
- relocs = false;
+ relocs = FALSE;
for (s = dynobj->sections; s != NULL; s = s->next)
{
if ((s->flags & SEC_LINKER_CREATED) == 0)
}
else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
{
- if (s->_raw_size != 0 && s != htab->srelplt)
- relocs = true;
+ if (s->size != 0)
+ relocs = TRUE;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
continue;
}
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
/* If we don't need this section, strip it from the
output file. This is to handle .rela.bss and
section's contents are written out. This should not happen,
but this way if it does, we get a R_390_NONE reloc instead
of garbage. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
if (s->contents == NULL)
- return false;
+ return FALSE;
}
if (htab->elf.dynamic_sections_created)
the .dynamic section. The DT_DEBUG entry is filled in by the
dynamic linker and used by the debugger. */
#define add_dynamic_entry(TAG, VAL) \
- bfd_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
- if (! info->shared)
+ if (info->executable)
{
if (!add_dynamic_entry (DT_DEBUG, 0))
- return false;
+ return FALSE;
}
- if (htab->splt->_raw_size != 0)
+ if (htab->splt->size != 0)
{
if (!add_dynamic_entry (DT_PLTGOT, 0)
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|| !add_dynamic_entry (DT_JMPREL, 0))
- return false;
+ return FALSE;
}
if (relocs)
- {
- if (!add_dynamic_entry (DT_RELA, 0)
- || !add_dynamic_entry (DT_RELASZ, 0)
- || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
- return false;
+ {
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
+ return FALSE;
/* If any dynamic relocs apply to a read-only section,
then we need a DT_TEXTREL entry. */
- elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, (PTR) info);
+ if ((info->flags & DF_TEXTREL) == 0)
+ elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
+ (PTR) info);
if ((info->flags & DF_TEXTREL) != 0)
{
if (!add_dynamic_entry (DT_TEXTREL, 0))
- return false;
+ return FALSE;
}
}
}
#undef add_dynamic_entry
- return true;
+ return TRUE;
+}
+
+/* Return the base VMA address which should be subtracted from real addresses
+ when resolving @dtpoff relocation.
+ This is PT_TLS segment p_vaddr. */
+
+static bfd_vma
+dtpoff_base (info)
+ struct bfd_link_info *info;
+{
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (elf_hash_table (info)->tls_sec == NULL)
+ return 0;
+ return elf_hash_table (info)->tls_sec->vma;
+}
+
+/* Return the relocation value for @tpoff relocation
+ if STT_TLS virtual address is ADDRESS. */
+
+static bfd_vma
+tpoff (info, address)
+ struct bfd_link_info *info;
+ bfd_vma address;
+{
+ struct elf_link_hash_table *htab = elf_hash_table (info);
+
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (htab->tls_sec == NULL)
+ return 0;
+ return htab->tls_size + htab->tls_sec->vma - address;
+}
+
+/* Complain if TLS instruction relocation is against an invalid
+ instruction. */
+
+static void
+invalid_tls_insn (input_bfd, input_section, rel)
+ bfd *input_bfd;
+ asection *input_section;
+ Elf_Internal_Rela *rel;
+{
+ reloc_howto_type *howto;
+
+ howto = elf_howto_table + ELF32_R_TYPE (rel->r_info);
+ (*_bfd_error_handler)
+ (_("%B(%A+0x%lx): invalid instruction for TLS relocation %s"),
+ input_bfd,
+ input_section,
+ (long) rel->r_offset,
+ howto->name);
}
/* Relocate a 390 ELF section. */
-static boolean
+static bfd_boolean
elf_s390_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, local_syms, local_sections)
bfd *output_bfd;
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
+ if (info->relocatable)
+ return TRUE;
+
htab = elf_s390_hash_table (info);
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
relend = relocs + input_section->reloc_count;
for (; rel < relend; rel++)
{
- int r_type;
+ unsigned int r_type;
reloc_howto_type *howto;
unsigned long r_symndx;
struct elf_link_hash_entry *h;
asection *sec;
bfd_vma off;
bfd_vma relocation;
- boolean unresolved_reloc;
+ bfd_boolean unresolved_reloc;
bfd_reloc_status_type r;
+ int tls_type;
r_type = ELF32_R_TYPE (rel->r_info);
if (r_type == (int) R_390_GNU_VTINHERIT
- || r_type == (int) R_390_GNU_VTENTRY)
- continue;
- if (r_type < 0 || r_type >= (int) R_390_max)
+ || r_type == (int) R_390_GNU_VTENTRY)
+ continue;
+ if (r_type >= (int) R_390_max)
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
- howto = elf_howto_table + r_type;
+ howto = elf_howto_table + r_type;
r_symndx = ELF32_R_SYM (rel->r_info);
- if (info->relocateable)
- {
- /* This is a relocateable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections[r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
-
- continue;
- }
-
/* This is a final link. */
h = NULL;
sym = NULL;
sec = NULL;
- unresolved_reloc = false;
+ unresolved_reloc = FALSE;
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
sec = local_sections[r_symndx];
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
}
else
{
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- 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;
+ bfd_boolean warned ATTRIBUTE_UNUSED;
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- {
- sec = h->root.u.def.section;
- if (sec->output_section == NULL)
- {
- /* Set a flag that will be cleared later if we find a
- relocation value for this symbol. output_section
- is typically NULL for symbols satisfied by a shared
- library. */
- unresolved_reloc = true;
- relocation = 0;
- }
- else
- relocation = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
- }
- else if (h->root.type == bfd_link_hash_undefweak)
- relocation = 0;
- else if (info->shared
- && (!info->symbolic || info->allow_shlib_undefined)
- && !info->no_undefined
- && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
- relocation = 0;
- else
- {
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd,
- input_section, rel->r_offset,
- (!info->shared || info->no_undefined
- || ELF_ST_VISIBILITY (h->other)))))
- return false;
- relocation = 0;
- }
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
}
switch (r_type)
{
- case R_390_GOT12:
- case R_390_GOT16:
- case R_390_GOT32:
- /* Relocation is to the entry for this symbol in the global
- offset table. */
+ case R_390_GOTPLT12:
+ case R_390_GOTPLT16:
+ case R_390_GOTPLT20:
+ case R_390_GOTPLT32:
+ case R_390_GOTPLTENT:
+ /* There are three cases for a GOTPLT relocation. 1) The
+ relocation is against the jump slot entry of a plt that
+ will get emitted to the output file. 2) The relocation
+ is against the jump slot of a plt entry that has been
+ removed. elf_s390_adjust_gotplt has created a GOT entry
+ as replacement. 3) The relocation is against a local symbol.
+ Cases 2) and 3) are the same as the GOT relocation code
+ so we just have to test for case 1 and fall through for
+ the other two. */
+ if (h != NULL && h->plt.offset != (bfd_vma) -1)
+ {
+ bfd_vma plt_index;
+
+ /* Calc. index no.
+ Current offset - size first entry / entry size. */
+ plt_index = (h->plt.offset - PLT_FIRST_ENTRY_SIZE) /
+ PLT_ENTRY_SIZE;
+
+ /* Offset in GOT is PLT index plus GOT headers(3) times 4,
+ addr & GOT addr. */
+ relocation = (plt_index + 3) * GOT_ENTRY_SIZE;
+ unresolved_reloc = FALSE;
+
+ if (r_type == R_390_GOTPLTENT)
+ relocation += htab->sgot->output_section->vma;
+ break;
+ }
+ /* Fall through. */
+
+ case R_390_GOT12:
+ case R_390_GOT16:
+ case R_390_GOT20:
+ case R_390_GOT32:
+ case R_390_GOTENT:
+ /* Relocation is to the entry for this symbol in the global
+ offset table. */
if (htab->sgot == NULL)
abort ();
- if (h != NULL)
- {
- boolean dyn;
+ if (h != NULL)
+ {
+ bfd_boolean dyn;
- off = h->got.offset;
+ off = h->got.offset;
dyn = htab->elf.dynamic_sections_created;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
- || (info->shared
- && (info->symbolic
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
+ || (info->shared
+ && (info->symbolic
|| h->dynindx == -1
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
- {
- /* 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 2, we use the
- least significant bit to record whether we have
- initialized it already.
-
- When doing a dynamic link, we create a .rel.got
- relocation entry to initialize the value. This
- is done in the finish_dynamic_symbol routine. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
+ || h->forced_local)
+ && h->def_regular)
+ || (ELF_ST_VISIBILITY (h->other)
+ && h->root.type == bfd_link_hash_undefweak))
+ {
+ /* 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 2, we use the
+ least significant bit to record whether we have
+ initialized it already.
+
+ When doing a dynamic link, we create a .rel.got
+ relocation entry to initialize the value. This
+ is done in the finish_dynamic_symbol routine. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
bfd_put_32 (output_bfd, relocation,
htab->sgot->contents + off);
- h->got.offset |= 1;
- }
- }
+ h->got.offset |= 1;
+ }
+ }
else
- unresolved_reloc = false;
- }
- else
- {
+ unresolved_reloc = FALSE;
+ }
+ else
+ {
if (local_got_offsets == NULL)
abort ();
- off = local_got_offsets[r_symndx];
+ off = local_got_offsets[r_symndx];
- /* The offset must always be a multiple of 4. We use
- the least significant bit to record whether we have
- already generated the necessary reloc. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- bfd_put_32 (output_bfd, relocation,
+ /* The offset must always be a multiple of 4. We use
+ the least significant bit to record whether we have
+ already generated the necessary reloc. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_put_32 (output_bfd, relocation,
htab->sgot->contents + off);
- if (info->shared)
- {
- asection *srelgot;
- Elf_Internal_Rela outrel;
- Elf32_External_Rela *loc;
+ if (info->shared)
+ {
+ asection *srelgot;
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
- srelgot = htab->srelgot;
+ srelgot = htab->srelgot;
if (srelgot == NULL)
abort ();
- outrel.r_offset = (htab->sgot->output_section->vma
- + htab->sgot->output_offset
- + off);
- outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
+ outrel.r_offset = (htab->sgot->output_section->vma
+ + htab->sgot->output_offset
+ + off);
+ outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
outrel.r_addend = relocation;
- loc = (Elf32_External_Rela *) srelgot->contents;
- loc += srelgot->reloc_count++;
- bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
- }
+ loc = srelgot->contents;
+ loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ }
- local_got_offsets[r_symndx] |= 1;
- }
- }
+ local_got_offsets[r_symndx] |= 1;
+ }
+ }
if (off >= (bfd_vma) -2)
abort ();
relocation = htab->sgot->output_offset + off;
- break;
-
- case R_390_GOTOFF:
- /* Relocation is relative to the start of the global offset
- table. */
-
- /* Note that sgot->output_offset is not involved in this
- calculation. We always want the start of .got. If we
- defined _GLOBAL_OFFSET_TABLE in a different way, as is
- permitted by the ABI, we might have to change this
- calculation. */
- relocation -= htab->sgot->output_section->vma;
- break;
-
- case R_390_GOTPC:
- /* Use global offset table as symbol value. */
- relocation = htab->sgot->output_section->vma;
- unresolved_reloc = false;
- break;
-
- case R_390_PLT16DBL:
- case R_390_PLT32:
- /* Relocation is to the entry for this symbol in the
- procedure linkage table. */
-
- /* Resolve a PLT32 reloc against a local symbol directly,
- without using the procedure linkage table. */
- if (h == NULL)
- break;
-
- if (h->plt.offset == (bfd_vma) -1
+
+ /* For @GOTENT the relocation is against the offset between
+ the instruction and the symbols entry in the GOT and not
+ between the start of the GOT and the symbols entry. We
+ add the vma of the GOT to get the correct value. */
+ if ( r_type == R_390_GOTENT
+ || r_type == R_390_GOTPLTENT)
+ relocation += htab->sgot->output_section->vma;
+
+ break;
+
+ case R_390_GOTOFF16:
+ case R_390_GOTOFF32:
+ /* Relocation is relative to the start of the global offset
+ table. */
+
+ /* Note that sgot->output_offset is not involved in this
+ calculation. We always want the start of .got. If we
+ defined _GLOBAL_OFFSET_TABLE in a different way, as is
+ permitted by the ABI, we might have to change this
+ calculation. */
+ relocation -= htab->sgot->output_section->vma;
+ break;
+
+ case R_390_GOTPC:
+ case R_390_GOTPCDBL:
+ /* Use global offset table as symbol value. */
+ relocation = htab->sgot->output_section->vma;
+ unresolved_reloc = FALSE;
+ break;
+
+ case R_390_PLT16DBL:
+ case R_390_PLT32DBL:
+ case R_390_PLT32:
+ /* Relocation is to the entry for this symbol in the
+ procedure linkage table. */
+
+ /* Resolve a PLT32 reloc against a local symbol directly,
+ without using the procedure linkage table. */
+ if (h == NULL)
+ break;
+
+ if (h->plt.offset == (bfd_vma) -1
+ || htab->splt == NULL)
+ {
+ /* We didn't make a PLT entry for this symbol. This
+ happens when statically linking PIC code, or when
+ using -Bsymbolic. */
+ break;
+ }
+
+ relocation = (htab->splt->output_section->vma
+ + htab->splt->output_offset
+ + h->plt.offset);
+ unresolved_reloc = FALSE;
+ break;
+
+ case R_390_PLTOFF16:
+ case R_390_PLTOFF32:
+ /* Relocation is to the entry for this symbol in the
+ procedure linkage table relative to the start of the GOT. */
+
+ /* For local symbols or if we didn't make a PLT entry for
+ this symbol resolve the symbol directly. */
+ if ( h == NULL
+ || h->plt.offset == (bfd_vma) -1
|| htab->splt == NULL)
- {
- /* We didn't make a PLT entry for this symbol. This
- happens when statically linking PIC code, or when
- using -Bsymbolic. */
- break;
- }
-
- relocation = (htab->splt->output_section->vma
- + htab->splt->output_offset
- + h->plt.offset);
- unresolved_reloc = false;
- break;
-
- case R_390_8:
- case R_390_16:
- case R_390_32:
- case R_390_PC16:
- case R_390_PC16DBL:
- case R_390_PC32:
+ {
+ relocation -= htab->sgot->output_section->vma;
+ break;
+ }
+
+ relocation = (htab->splt->output_section->vma
+ + htab->splt->output_offset
+ + h->plt.offset
+ - htab->sgot->output_section->vma);
+ unresolved_reloc = FALSE;
+ break;
+
+ case R_390_8:
+ case R_390_16:
+ case R_390_32:
+ case R_390_PC16:
+ case R_390_PC16DBL:
+ case R_390_PC32DBL:
+ case R_390_PC32:
/* r_symndx will be zero only for relocs against symbols
from removed linkonce sections, or sections discarded by
a linker script. */
- if (r_symndx == 0
- || (input_section->flags & SEC_ALLOC) == 0)
+ if (r_symndx == 0
+ || (input_section->flags & SEC_ALLOC) == 0)
break;
- if ((info->shared
+ if ((info->shared
+ && (h == NULL
+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak)
&& ((r_type != R_390_PC16
&& r_type != R_390_PC16DBL
+ && r_type != R_390_PC32DBL
&& r_type != R_390_PC32)
|| (h != NULL
- && h->dynindx != -1
- && (! info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
- || (!info->shared
+ && !SYMBOL_REFERENCES_LOCAL (info, h))))
+ || (ELIMINATE_COPY_RELOCS
+ && !info->shared
&& h != NULL
&& h->dynindx != -1
- && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (((h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && !h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
|| h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_undefined)))
- {
- Elf_Internal_Rela outrel;
- boolean skip, relocate;
+ {
+ Elf_Internal_Rela outrel;
+ bfd_boolean skip, relocate;
asection *sreloc;
- Elf32_External_Rela *loc;
+ bfd_byte *loc;
/* When generating a shared object, these relocations
are copied into the output file to be resolved at run
time. */
- skip = false;
+ skip = FALSE;
+ relocate = FALSE;
outrel.r_offset =
_bfd_elf_section_offset (output_bfd, info, input_section,
rel->r_offset);
if (outrel.r_offset == (bfd_vma) -1)
- skip = true;
- outrel.r_offset += (input_section->output_section->vma
- + input_section->output_offset);
-
- if (skip)
- {
- memset (&outrel, 0, sizeof outrel);
- relocate = false;
- }
- else if (h != NULL
+ skip = TRUE;
+ else if (outrel.r_offset == (bfd_vma) -2)
+ skip = TRUE, relocate = TRUE;
+ outrel.r_offset += (input_section->output_section->vma
+ + input_section->output_offset);
+
+ if (skip)
+ memset (&outrel, 0, sizeof outrel);
+ else if (h != NULL
&& h->dynindx != -1
&& (r_type == R_390_PC16
|| r_type == R_390_PC16DBL
+ || r_type == R_390_PC32DBL
|| r_type == R_390_PC32
|| !info->shared
|| !info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
- {
- relocate = false;
- outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
+ || !h->def_regular))
+ {
+ outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
outrel.r_addend = rel->r_addend;
- }
- else
- {
+ }
+ else
+ {
/* This symbol is local, or marked to become local. */
- relocate = true;
- outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
outrel.r_addend = relocation + rel->r_addend;
- }
+ if (r_type == R_390_32)
+ {
+ relocate = TRUE;
+ outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
+ }
+ else
+ {
+ long sindx;
+
+ if (bfd_is_abs_section (sec))
+ sindx = 0;
+ else if (sec == NULL || sec->owner == NULL)
+ {
+ bfd_set_error(bfd_error_bad_value);
+ return FALSE;
+ }
+ else
+ {
+ asection *osec;
+
+ osec = sec->output_section;
+ sindx = elf_section_data (osec)->dynindx;
+ BFD_ASSERT (sindx > 0);
+
+ /* We are turning this relocation into one
+ against a section symbol, so subtract out
+ the output section's address but not the
+ offset of the input section in the output
+ section. */
+
+ outrel.r_addend -= osec->vma;
+ }
+ outrel.r_info = ELF32_R_INFO (sindx, r_type);
+ }
+ }
sreloc = elf_section_data (input_section)->sreloc;
if (sreloc == NULL)
abort ();
- loc = (Elf32_External_Rela *) sreloc->contents;
- loc += sreloc->reloc_count++;
+ loc = sreloc->contents;
+ loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
- /* If this reloc is against an external symbol, we do
- not want to fiddle with the addend. Otherwise, we
- need to include the symbol value so that it becomes
- an addend for the dynamic reloc. */
- if (! relocate)
- continue;
- }
+ /* If this reloc is against an external symbol, we do
+ not want to fiddle with the addend. Otherwise, we
+ need to include the symbol value so that it becomes
+ an addend for the dynamic reloc. */
+ if (! relocate)
+ continue;
+ }
break;
+ /* Relocations for tls literal pool entries. */
+ case R_390_TLS_IE32:
+ if (info->shared)
+ {
+ Elf_Internal_Rela outrel;
+ asection *sreloc;
+ bfd_byte *loc;
+
+ outrel.r_offset = rel->r_offset
+ + input_section->output_section->vma
+ + input_section->output_offset;
+ outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
+ sreloc = elf_section_data (input_section)->sreloc;
+ if (sreloc == NULL)
+ abort ();
+ loc = sreloc->contents;
+ loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
+ }
+ /* Fall through. */
+
+ case R_390_TLS_GD32:
+ case R_390_TLS_GOTIE32:
+ r_type = elf_s390_tls_transition (info, r_type, h == NULL);
+ tls_type = GOT_UNKNOWN;
+ if (h == NULL && local_got_offsets)
+ tls_type = elf_s390_local_got_tls_type (input_bfd) [r_symndx];
+ else if (h != NULL)
+ {
+ tls_type = elf_s390_hash_entry(h)->tls_type;
+ if (!info->shared && h->dynindx == -1 && tls_type >= GOT_TLS_IE)
+ r_type = R_390_TLS_LE32;
+ }
+ if (r_type == R_390_TLS_GD32 && tls_type >= GOT_TLS_IE)
+ r_type = R_390_TLS_IE32;
+
+ if (r_type == R_390_TLS_LE32)
+ {
+ /* This relocation gets optimized away by the local exec
+ access optimization. */
+ BFD_ASSERT (! unresolved_reloc);
+ bfd_put_32 (output_bfd, -tpoff (info, relocation),
+ contents + rel->r_offset);
+ continue;
+ }
+
+ if (htab->sgot == NULL)
+ abort ();
+
+ if (h != NULL)
+ off = h->got.offset;
+ else
+ {
+ if (local_got_offsets == NULL)
+ abort ();
+
+ off = local_got_offsets[r_symndx];
+ }
+
+ emit_tls_relocs:
+
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+ int dr_type, indx;
+
+ if (htab->srelgot == NULL)
+ abort ();
+
+ outrel.r_offset = (htab->sgot->output_section->vma
+ + htab->sgot->output_offset + off);
+
+ indx = h && h->dynindx != -1 ? h->dynindx : 0;
+ if (r_type == R_390_TLS_GD32)
+ dr_type = R_390_TLS_DTPMOD;
+ else
+ dr_type = R_390_TLS_TPOFF;
+ if (dr_type == R_390_TLS_TPOFF && indx == 0)
+ outrel.r_addend = relocation - dtpoff_base (info);
+ else
+ outrel.r_addend = 0;
+ outrel.r_info = ELF32_R_INFO (indx, dr_type);
+ loc = htab->srelgot->contents;
+ loc += htab->srelgot->reloc_count++
+ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+
+ if (r_type == R_390_TLS_GD32)
+ {
+ if (indx == 0)
+ {
+ BFD_ASSERT (! unresolved_reloc);
+ bfd_put_32 (output_bfd,
+ relocation - dtpoff_base (info),
+ htab->sgot->contents + off + GOT_ENTRY_SIZE);
+ }
+ else
+ {
+ outrel.r_info = ELF32_R_INFO (indx, R_390_TLS_DTPOFF);
+ outrel.r_offset += GOT_ENTRY_SIZE;
+ outrel.r_addend = 0;
+ htab->srelgot->reloc_count++;
+ loc += sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ }
+ }
+
+ if (h != NULL)
+ h->got.offset |= 1;
+ else
+ local_got_offsets[r_symndx] |= 1;
+ }
+
+ if (off >= (bfd_vma) -2)
+ abort ();
+ if (r_type == ELF32_R_TYPE (rel->r_info))
+ {
+ relocation = htab->sgot->output_offset + off;
+ if (r_type == R_390_TLS_IE32 || r_type == R_390_TLS_IEENT)
+ relocation += htab->sgot->output_section->vma;
+ unresolved_reloc = FALSE;
+ }
+ else
+ {
+ bfd_put_32 (output_bfd, htab->sgot->output_offset + off,
+ contents + rel->r_offset);
+ continue;
+ }
+ break;
+
+ case R_390_TLS_GOTIE12:
+ case R_390_TLS_GOTIE20:
+ case R_390_TLS_IEENT:
+ if (h == NULL)
+ {
+ if (local_got_offsets == NULL)
+ abort();
+ off = local_got_offsets[r_symndx];
+ if (info->shared)
+ goto emit_tls_relocs;
+ }
+ else
+ {
+ off = h->got.offset;
+ tls_type = elf_s390_hash_entry(h)->tls_type;
+ if (info->shared || h->dynindx != -1 || tls_type < GOT_TLS_IE)
+ goto emit_tls_relocs;
+ }
+
+ if (htab->sgot == NULL)
+ abort ();
+
+ BFD_ASSERT (! unresolved_reloc);
+ bfd_put_32 (output_bfd, -tpoff (info, relocation),
+ htab->sgot->contents + off);
+ relocation = htab->sgot->output_offset + off;
+ if (r_type == R_390_TLS_IEENT)
+ relocation += htab->sgot->output_section->vma;
+ unresolved_reloc = FALSE;
+ break;
+
+ case R_390_TLS_LDM32:
+ if (! info->shared)
+ /* The literal pool entry this relocation refers to gets ignored
+ by the optimized code of the local exec model. Do nothing
+ and the value will turn out zero. */
+ continue;
+
+ if (htab->sgot == NULL)
+ abort ();
+
+ off = htab->tls_ldm_got.offset;
+ if (off & 1)
+ off &= ~1;
+ else
+ {
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+
+ if (htab->srelgot == NULL)
+ abort ();
+
+ outrel.r_offset = (htab->sgot->output_section->vma
+ + htab->sgot->output_offset + off);
+
+ bfd_put_32 (output_bfd, 0,
+ htab->sgot->contents + off + GOT_ENTRY_SIZE);
+ outrel.r_info = ELF32_R_INFO (0, R_390_TLS_DTPMOD);
+ outrel.r_addend = 0;
+ loc = htab->srelgot->contents;
+ loc += htab->srelgot->reloc_count++
+ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ htab->tls_ldm_got.offset |= 1;
+ }
+ relocation = htab->sgot->output_offset + off;
+ unresolved_reloc = FALSE;
+ break;
+
+ case R_390_TLS_LE32:
+ if (info->shared)
+ {
+ /* Linking a shared library with non-fpic code requires
+ a R_390_TLS_TPOFF relocation. */
+ Elf_Internal_Rela outrel;
+ asection *sreloc;
+ bfd_byte *loc;
+ int indx;
+
+ outrel.r_offset = rel->r_offset
+ + input_section->output_section->vma
+ + input_section->output_offset;
+ if (h != NULL && h->dynindx != -1)
+ indx = h->dynindx;
+ else
+ indx = 0;
+ outrel.r_info = ELF32_R_INFO (indx, R_390_TLS_TPOFF);
+ if (indx == 0)
+ outrel.r_addend = relocation - dtpoff_base (info);
+ else
+ outrel.r_addend = 0;
+ sreloc = elf_section_data (input_section)->sreloc;
+ if (sreloc == NULL)
+ abort ();
+ loc = sreloc->contents;
+ loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ }
+ else
+ {
+ BFD_ASSERT (! unresolved_reloc);
+ bfd_put_32 (output_bfd, -tpoff (info, relocation),
+ contents + rel->r_offset);
+ }
+ continue;
+
+ case R_390_TLS_LDO32:
+ if (info->shared || (input_section->flags & SEC_CODE) == 0)
+ relocation -= dtpoff_base (info);
+ else
+ /* When converting LDO to LE, we must negate. */
+ relocation = -tpoff (info, relocation);
+ break;
+
+ /* Relocations for tls instructions. */
+ case R_390_TLS_LOAD:
+ case R_390_TLS_GDCALL:
+ case R_390_TLS_LDCALL:
+ tls_type = GOT_UNKNOWN;
+ if (h == NULL && local_got_offsets)
+ tls_type = elf_s390_local_got_tls_type (input_bfd) [r_symndx];
+ else if (h != NULL)
+ tls_type = elf_s390_hash_entry(h)->tls_type;
+
+ if (tls_type == GOT_TLS_GD)
+ continue;
+
+ if (r_type == R_390_TLS_LOAD)
+ {
+ if (!info->shared && (h == NULL || h->dynindx == -1))
+ {
+ /* IE->LE transition. Four valid cases:
+ l %rx,0(0,%ry) -> lr %rx,%ry + bcr 0,0
+ l %rx,0(%ry,0) -> lr %rx,%ry + bcr 0,0
+ l %rx,0(%ry,%r12) -> lr %rx,%ry + bcr 0,0
+ l %rx,0(%r12,%ry) -> lr %rx,%ry + bcr 0,0 */
+ unsigned int insn, ry;
+
+ insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ ry = 0;
+ if ((insn & 0xff00f000) == 0x58000000)
+ /* l %rx,0(%ry,0) -> lr %rx,%ry + bcr 0,0 */
+ ry = (insn & 0x000f0000);
+ else if ((insn & 0xff0f0000) == 0x58000000)
+ /* l %rx,0(0,%ry) -> lr %rx,%ry + bcr 0,0 */
+ ry = (insn & 0x0000f000) << 4;
+ else if ((insn & 0xff00f000) == 0x5800c000)
+ /* l %rx,0(%ry,%r12) -> lr %rx,%ry + bcr 0,0 */
+ ry = (insn & 0x000f0000);
+ else if ((insn & 0xff0f0000) == 0x580c0000)
+ /* l %rx,0(%r12,%ry) -> lr %rx,%ry + bcr 0,0 */
+ ry = (insn & 0x0000f000) << 4;
+ else
+ invalid_tls_insn (input_bfd, input_section, rel);
+ insn = 0x18000700 | (insn & 0x00f00000) | ry;
+ bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
+ }
+ }
+ else if (r_type == R_390_TLS_GDCALL)
+ {
+ unsigned int insn;
+
+ insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ if ((insn & 0xff000fff) != 0x4d000000)
+ invalid_tls_insn (input_bfd, input_section, rel);
+ if (!info->shared && (h == NULL || h->dynindx == -1))
+ /* GD->LE transition.
+ bas %r14,0(%rx,%r13) -> bc 0,0 */
+ insn = 0x47000000;
+ else
+ /* GD->IE transition.
+ bas %r14,0(%rx,%r13) -> l %r2,0(%r2,%r12) */
+ insn = 0x5822c000;
+ bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
+ }
+ else if (r_type == R_390_TLS_LDCALL)
+ {
+ if (!info->shared)
+ {
+ unsigned int insn;
+
+ insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ if ((insn & 0xff000fff) != 0x4d000000)
+ invalid_tls_insn (input_bfd, input_section, rel);
+ /* LD->LE transition.
+ bas %r14,0(%rx,%r13) -> bc 0,0 */
+ insn = 0x47000000;
+ bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
+ }
+ }
+ continue;
+
default:
break;
}
+ /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
+ because such sections are not SEC_ALLOC and thus ld.so will
+ not process them. */
if (unresolved_reloc
- && !(info->shared
- && (input_section->flags & SEC_DEBUGGING) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
+ && !((input_section->flags & SEC_DEBUGGING) != 0
+ && h->def_dynamic))
(*_bfd_error_handler)
- (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
+ (_("%B(%A+0x%lx): unresolvable relocation against symbol `%s'"),
+ input_bfd,
+ input_section,
(long) rel->r_offset,
h->root.root.string);
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend);
+ if (r_type == R_390_20
+ || r_type == R_390_GOT20
+ || r_type == R_390_GOTPLT20
+ || r_type == R_390_TLS_GOTIE20)
+ {
+ relocation += rel->r_addend;
+ relocation = (relocation&0xfff) << 8 | (relocation&0xff000) >> 12;
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, 0);
+ }
+ else
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, rel->r_addend);
if (r != bfd_reloc_ok)
{
symtab_hdr->sh_link,
sym->st_name);
if (name == NULL)
- return false;
+ return FALSE;
if (*name == '\0')
name = bfd_section_name (input_bfd, sec);
}
{
if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
- return false;
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section,
+ rel->r_offset)))
+ return FALSE;
}
else
{
(*_bfd_error_handler)
- (_("%s(%s+0x%lx): reloc against `%s': error %d"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
+ (_("%B(%A+0x%lx): reloc against `%s': error %d"),
+ input_bfd, input_section,
(long) rel->r_offset, name, (int) r);
- return false;
+ return FALSE;
}
}
}
- return true;
+ return TRUE;
}
/* Finish up dynamic symbol handling. We set the contents of various
dynamic sections here. */
-static boolean
+static bfd_boolean
elf_s390_finish_dynamic_symbol (output_bfd, info, h, sym)
bfd *output_bfd;
struct bfd_link_info *info;
bfd_vma plt_index;
bfd_vma got_offset;
Elf_Internal_Rela rela;
- Elf32_External_Rela *loc;
+ bfd_byte *loc;
bfd_vma relative_offset;
/* This symbol has an entry in the procedure linkage table. Set
- it up. */
-
+ it up. */
if (h->dynindx == -1
|| htab->splt == NULL
|| htab->sgotplt == NULL
abort ();
/* Calc. index no.
- Current offset - size first entry / entry size. */
+ Current offset - size first entry / entry size. */
plt_index = (h->plt.offset - PLT_FIRST_ENTRY_SIZE) / PLT_ENTRY_SIZE;
/* Offset in GOT is PLT index plus GOT headers(3) times 4,
- addr & GOT addr. */
+ addr & GOT addr. */
got_offset = (plt_index + 3) * GOT_ENTRY_SIZE;
/* S390 uses halfwords for relative branch calc! */
relative_offset = - ((PLT_FIRST_ENTRY_SIZE +
- (PLT_ENTRY_SIZE * plt_index) + 18) / 2);
+ (PLT_ENTRY_SIZE * plt_index) + 18) / 2);
/* If offset is > 32768, branch to a previous branch
- 390 can only handle +-64 K jumps. */
+ 390 can only handle +-64 K jumps. */
if ( -32768 > (int) relative_offset )
- relative_offset =
- -(unsigned) (((65536 / PLT_ENTRY_SIZE - 1) * PLT_ENTRY_SIZE) / 2);
+ relative_offset
+ = -(unsigned) (((65536 / PLT_ENTRY_SIZE - 1) * PLT_ENTRY_SIZE) / 2);
/* Fill in the entry in the procedure linkage table. */
if (!info->shared)
{
- bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD0,
+ bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD0,
htab->splt->contents + h->plt.offset);
bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD1,
htab->splt->contents + h->plt.offset + 4);
}
/* Insert offset into reloc. table here. */
bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
- htab->splt->contents + h->plt.offset + 28);
+ htab->splt->contents + h->plt.offset + 28);
/* Fill in the entry in the global offset table.
- Points to instruction after GOT offset. */
+ Points to instruction after GOT offset. */
bfd_put_32 (output_bfd,
(htab->splt->output_section->vma
+ htab->splt->output_offset
+ got_offset);
rela.r_info = ELF32_R_INFO (h->dynindx, R_390_JMP_SLOT);
rela.r_addend = 0;
- loc = (Elf32_External_Rela *) htab->srelplt->contents + plt_index;
+ loc = htab->srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->def_regular)
{
/* Mark the symbol as undefined, rather than as defined in
the .plt section. Leave the value alone. This is a clue
}
}
- if (h->got.offset != (bfd_vma) -1)
+ if (h->got.offset != (bfd_vma) -1
+ && elf_s390_hash_entry(h)->tls_type != GOT_TLS_GD
+ && elf_s390_hash_entry(h)->tls_type != GOT_TLS_IE
+ && elf_s390_hash_entry(h)->tls_type != GOT_TLS_IE_NLT)
{
Elf_Internal_Rela rela;
- Elf32_External_Rela *loc;
+ bfd_byte *loc;
/* This symbol has an entry in the global offset table. Set it
- up. */
+ up. */
if (htab->sgot == NULL || htab->srelgot == NULL)
abort ();
if (info->shared
&& (info->symbolic
|| h->dynindx == -1
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ || h->forced_local)
+ && h->def_regular)
{
BFD_ASSERT((h->got.offset & 1) != 0);
rela.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
rela.r_addend = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- }
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ }
else
{
BFD_ASSERT((h->got.offset & 1) == 0);
bfd_put_32 (output_bfd, (bfd_vma) 0, htab->sgot->contents + h->got.offset);
rela.r_info = ELF32_R_INFO (h->dynindx, R_390_GLOB_DAT);
- rela.r_addend = 0;
- }
+ rela.r_addend = 0;
+ }
- loc = (Elf32_External_Rela *) htab->srelgot->contents;
- loc += htab->srelgot->reloc_count++;
+ loc = htab->srelgot->contents;
+ loc += htab->srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
}
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+ if (h->needs_copy)
{
Elf_Internal_Rela rela;
- Elf32_External_Rela *loc;
+ bfd_byte *loc;
/* This symbols needs a copy reloc. Set it up. */
+ h->root.u.def.section->output_offset);
rela.r_info = ELF32_R_INFO (h->dynindx, R_390_COPY);
rela.r_addend = 0;
- loc = (Elf32_External_Rela *) htab->srelbss->contents;
- loc += htab->srelbss->reloc_count++;
+ loc = htab->srelbss->contents;
+ loc += htab->srelbss->reloc_count++ * sizeof (Elf32_External_Rela);
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
}
|| strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
sym->st_shndx = SHN_ABS;
- return true;
+ return TRUE;
}
/* Used to decide how to sort relocs in an optimal manner for the
/* Finish up the dynamic sections. */
-static boolean
+static bfd_boolean
elf_s390_finish_dynamic_sections (output_bfd, info)
bfd *output_bfd;
struct bfd_link_info *info;
abort ();
dyncon = (Elf32_External_Dyn *) sdyn->contents;
- dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
case DT_PLTRELSZ:
s = htab->srelplt->output_section;
- if (s->_cooked_size != 0)
- dyn.d_un.d_val = s->_cooked_size;
- else
- dyn.d_un.d_val = s->_raw_size;
+ dyn.d_un.d_val = s->size;
break;
}
}
/* Fill in the special first entry in the procedure linkage table. */
- if (htab->splt && htab->splt->_raw_size > 0)
+ if (htab->splt && htab->splt->size > 0)
{
- memset (htab->splt->contents, 0, PLT_FIRST_ENTRY_SIZE);
- if (info->shared)
+ memset (htab->splt->contents, 0, PLT_FIRST_ENTRY_SIZE);
+ if (info->shared)
{
bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD0,
- htab->splt->contents );
+ htab->splt->contents );
bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD1,
- htab->splt->contents +4 );
+ htab->splt->contents +4 );
bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD2,
- htab->splt->contents +8 );
+ htab->splt->contents +8 );
bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD3,
- htab->splt->contents +12 );
+ htab->splt->contents +12 );
bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_FIRST_ENTRY_WORD4,
- htab->splt->contents +16 );
- }
- else
- {
- bfd_put_32 (output_bfd, (bfd_vma)PLT_FIRST_ENTRY_WORD0,
- htab->splt->contents );
- bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD1,
- htab->splt->contents +4 );
- bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD2,
- htab->splt->contents +8 );
- bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD3,
- htab->splt->contents +12 );
- bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD4,
- htab->splt->contents +16 );
- bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD5,
- htab->splt->contents +20 );
- bfd_put_32 (output_bfd,
- htab->sgotplt->output_section->vma
+ htab->splt->contents +16 );
+ }
+ else
+ {
+ bfd_put_32 (output_bfd, (bfd_vma)PLT_FIRST_ENTRY_WORD0,
+ htab->splt->contents );
+ bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD1,
+ htab->splt->contents +4 );
+ bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD2,
+ htab->splt->contents +8 );
+ bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD3,
+ htab->splt->contents +12 );
+ bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD4,
+ htab->splt->contents +16 );
+ bfd_put_32 (output_bfd, (bfd_vma) PLT_FIRST_ENTRY_WORD5,
+ htab->splt->contents +20 );
+ bfd_put_32 (output_bfd,
+ htab->sgotplt->output_section->vma
+ htab->sgotplt->output_offset,
- htab->splt->contents + 24);
- }
+ htab->splt->contents + 24);
+ }
elf_section_data (htab->splt->output_section)
->this_hdr.sh_entsize = 4;
}
if (htab->sgotplt)
{
/* Fill in the first three entries in the global offset table. */
- if (htab->sgotplt->_raw_size > 0)
+ if (htab->sgotplt->size > 0)
{
bfd_put_32 (output_bfd,
(sdyn == NULL ? (bfd_vma) 0
elf_section_data (htab->sgotplt->output_section)
->this_hdr.sh_entsize = 4;
}
- return true;
-}
-
-static boolean
-elf_s390_object_p (abfd)
- bfd *abfd;
-{
- return bfd_default_set_arch_mach (abfd, bfd_arch_s390, bfd_mach_s390_esa);
+ return TRUE;
}
-static boolean
+static bfd_boolean
elf_s390_grok_prstatus (abfd, note)
bfd * abfd;
Elf_Internal_Note * note;
{
int offset;
- unsigned int raw_size;
+ unsigned int size;
switch (note->descsz)
{
default:
- return false;
+ return FALSE;
case 224: /* S/390 Linux. */
/* pr_cursig */
/* pr_reg */
offset = 72;
- raw_size = 144;
+ size = 144;
break;
}
/* Make a ".reg/999" section. */
return _bfd_elfcore_make_pseudosection (abfd, ".reg",
- raw_size, note->descpos + offset);
+ size, note->descpos + offset);
}
+/* Return address for Ith PLT stub in section PLT, for relocation REL
+ or (bfd_vma) -1 if it should not be included. */
+
+static bfd_vma
+elf_s390_plt_sym_val (bfd_vma i, const asection *plt,
+ const arelent *rel ATTRIBUTE_UNUSED)
+{
+ return plt->vma + PLT_FIRST_ENTRY_SIZE + i * PLT_ENTRY_SIZE;
+}
+
+
#define TARGET_BIG_SYM bfd_elf32_s390_vec
#define TARGET_BIG_NAME "elf32-s390"
#define ELF_ARCH bfd_arch_s390
#define elf_backend_plt_readonly 1
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 12
-#define elf_backend_plt_header_size PLT_ENTRY_SIZE
+#define elf_backend_rela_normal 1
-#define elf_info_to_howto elf_s390_info_to_howto
+#define elf_info_to_howto elf_s390_info_to_howto
#define bfd_elf32_bfd_is_local_label_name elf_s390_is_local_label_name
#define bfd_elf32_bfd_link_hash_table_create elf_s390_link_hash_table_create
#define bfd_elf32_bfd_reloc_type_lookup elf_s390_reloc_type_lookup
#define elf_backend_adjust_dynamic_symbol elf_s390_adjust_dynamic_symbol
-#define elf_backend_check_relocs elf_s390_check_relocs
+#define elf_backend_check_relocs elf_s390_check_relocs
#define elf_backend_copy_indirect_symbol elf_s390_copy_indirect_symbol
#define elf_backend_create_dynamic_sections elf_s390_create_dynamic_sections
#define elf_backend_finish_dynamic_sections elf_s390_finish_dynamic_sections
#define elf_backend_finish_dynamic_symbol elf_s390_finish_dynamic_symbol
-#define elf_backend_gc_mark_hook elf_s390_gc_mark_hook
-#define elf_backend_gc_sweep_hook elf_s390_gc_sweep_hook
+#define elf_backend_gc_mark_hook elf_s390_gc_mark_hook
+#define elf_backend_gc_sweep_hook elf_s390_gc_sweep_hook
#define elf_backend_reloc_type_class elf_s390_reloc_type_class
-#define elf_backend_relocate_section elf_s390_relocate_section
+#define elf_backend_relocate_section elf_s390_relocate_section
#define elf_backend_size_dynamic_sections elf_s390_size_dynamic_sections
#define elf_backend_reloc_type_class elf_s390_reloc_type_class
#define elf_backend_grok_prstatus elf_s390_grok_prstatus
+#define elf_backend_plt_sym_val elf_s390_plt_sym_val
-#define elf_backend_object_p elf_s390_object_p
+#define bfd_elf32_mkobject elf_s390_mkobject
+#define elf_backend_object_p elf_s390_object_p
#include "elf32-target.h"