diff options
Diffstat (limited to 'bfd/elf32-frv.c')
| -rw-r--r-- | bfd/elf32-frv.c | 1405 |
1 files changed, 1405 insertions, 0 deletions
diff --git a/bfd/elf32-frv.c b/bfd/elf32-frv.c new file mode 100644 index 00000000000..cc26b967c52 --- /dev/null +++ b/bfd/elf32-frv.c @@ -0,0 +1,1405 @@ +/* FRV-specific support for 32-bit ELF. + Copyright (C) 2002 Free Software Foundation, Inc. + +This file is part of BFD, the Binary File Descriptor library. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" +#include "elf-bfd.h" +#include "elf/frv.h" + +/* Forward declarations. */ +static bfd_reloc_status_type elf32_frv_relocate_lo16 + PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); +static bfd_reloc_status_type elf32_frv_relocate_hi16 + PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); +static bfd_reloc_status_type elf32_frv_relocate_label24 + PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); +static bfd_reloc_status_type elf32_frv_relocate_gprel12 + PARAMS ((struct bfd_link_info *, bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); +static bfd_reloc_status_type elf32_frv_relocate_gprelu12 + PARAMS ((struct bfd_link_info *, bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); +static bfd_reloc_status_type elf32_frv_relocate_gprello + PARAMS ((struct bfd_link_info *, bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); +static bfd_reloc_status_type elf32_frv_relocate_gprelhi + PARAMS ((struct bfd_link_info *, bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); +static reloc_howto_type *frv_reloc_type_lookup + PARAMS ((bfd *, bfd_reloc_code_real_type)); +static void frv_info_to_howto_rela + PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *)); +static boolean elf32_frv_relocate_section + PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); +static boolean elf32_frv_add_symbol_hook + PARAMS (( bfd *, struct bfd_link_info *, const Elf_Internal_Sym *, const char **, flagword *, asection **, bfd_vma *)); +static bfd_reloc_status_type frv_final_link_relocate + PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, bfd_vma)); +static boolean elf32_frv_gc_sweep_hook + PARAMS ((bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *)); +static asection * elf32_frv_gc_mark_hook + PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *, struct elf_link_hash_entry *, Elf_Internal_Sym *)); +static boolean elf32_frv_check_relocs + PARAMS ((bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *)); +static int elf32_frv_machine PARAMS ((bfd *)); +static boolean elf32_frv_object_p PARAMS ((bfd *)); +static boolean frv_elf_set_private_flags PARAMS ((bfd *, flagword)); +static boolean frv_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *)); +static boolean frv_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *)); +static boolean frv_elf_print_private_bfd_data PARAMS ((bfd *, PTR)); + +static reloc_howto_type elf32_frv_howto_table [] = +{ + /* This reloc does nothing. */ + HOWTO (R_FRV_NONE, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_NONE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* A 32 bit absolute relocation. */ + HOWTO (R_FRV_32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_32", /* name */ + false, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* A 16 bit pc-relative relocation. */ + HOWTO (R_FRV_LABEL16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + true, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_LABEL16", /* name */ + false, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + true), /* pcrel_offset */ + + /* A 24-bit pc-relative relocation. */ + HOWTO (R_FRV_LABEL24, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 26, /* bitsize */ + true, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_LABEL24", /* name */ + false, /* partial_inplace */ + 0x7e03ffff, /* src_mask */ + 0x7e03ffff, /* dst_mask */ + true), /* pcrel_offset */ + + HOWTO (R_FRV_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_LO16", /* name */ + false, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_FRV_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_HI16", /* name */ + false, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_FRV_GPREL12, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 12, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_GPREL12", /* name */ + false, /* partial_inplace */ + 0xfff, /* src_mask */ + 0xfff, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_FRV_GPRELU12, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 12, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_GPRELU12", /* name */ + false, /* partial_inplace */ + 0xfff, /* src_mask */ + 0x3f03f, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_FRV_GPREL32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_GPREL32", /* name */ + false, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_FRV_GPRELHI, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_GPRELHI", /* name */ + false, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_FRV_GPRELLO, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_FRV_GPRELLO", /* name */ + false, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ +}; + +/* GNU extension to record C++ vtable hierarchy. */ +static reloc_howto_type elf32_frv_vtinherit_howto = + HOWTO (R_FRV_GNU_VTINHERIT, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 0, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + NULL, /* special_function */ + "R_FRV_GNU_VTINHERIT", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false); /* pcrel_offset */ + + /* GNU extension to record C++ vtable member usage. */ +static reloc_howto_type elf32_frv_vtentry_howto = + HOWTO (R_FRV_GNU_VTENTRY, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 0, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_elf_rel_vtable_reloc_fn, /* special_function */ + "R_FRV_GNU_VTENTRY", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false); /* pcrel_offset */ + +/* Map BFD reloc types to FRV ELF reloc types. */ +#if 0 +struct frv_reloc_map +{ + unsigned int bfd_reloc_val; + unsigned int frv_reloc_val; +}; + +static const struct frv_reloc_map frv_reloc_map [] = +{ + { BFD_RELOC_NONE, R_FRV_NONE }, + { BFD_RELOC_32, R_FRV_32 }, + { BFD_RELOC_FRV_LABEL16, R_FRV_LABEL16 }, + { BFD_RELOC_FRV_LABEL24, R_FRV_LABEL24 }, + { BFD_RELOC_FRV_LO16, R_FRV_LO16 }, + { BFD_RELOC_FRV_HI16, R_FRV_HI16 }, + { BFD_RELOC_FRV_GPREL12, R_FRV_GPREL12 }, + { BFD_RELOC_FRV_GPRELU12, R_FRV_GPRELU12 }, + { BFD_RELOC_FRV_GPREL32, R_FRV_GPREL32 }, + { BFD_RELOC_FRV_GPRELHI, R_FRV_GPRELHI }, + { BFD_RELOC_FRV_GPRELLO, R_FRV_GPRELLO }, + { BFD_RELOC_VTABLE_INHERIT, R_FRV_GNU_VTINHERIT }, + { BFD_RELOC_VTABLE_ENTRY, R_FRV_GNU_VTENTRY }, +}; +#endif + +/* Handle an FRV small data reloc. */ + +static bfd_reloc_status_type +elf32_frv_relocate_gprel12 (info, input_bfd, input_section, relocation, contents, value) + struct bfd_link_info *info; + bfd *input_bfd; + asection *input_section; + Elf_Internal_Rela *relocation; + bfd_byte *contents; + bfd_vma value; +{ + bfd_vma insn; + bfd_vma gp; + struct bfd_link_hash_entry *h; + + h = bfd_link_hash_lookup (info->hash, "_gp", false, false, true); + + gp = (h->u.def.value + + h->u.def.section->output_section->vma + + h->u.def.section->output_offset); + + value -= input_section->output_section->vma; + value -= (gp - input_section->output_section->vma); + + insn = bfd_get_32 (input_bfd, contents + relocation->r_offset); + + value += relocation->r_addend; + + if ((long) value > 0x7ff || (long) value < -0x800) + return bfd_reloc_overflow; + + bfd_put_32 (input_bfd, + (insn & 0xfffff000) | (value & 0xfff), + contents + relocation->r_offset); + + return bfd_reloc_ok; +} + +/* Handle an FRV small data reloc. for the u12 field. */ + +static bfd_reloc_status_type +elf32_frv_relocate_gprelu12 (info, input_bfd, input_section, relocation, contents, value) + struct bfd_link_info *info; + bfd *input_bfd; + asection *input_section; + Elf_Internal_Rela *relocation; + bfd_byte *contents; + bfd_vma value; +{ + bfd_vma insn; + bfd_vma gp; + struct bfd_link_hash_entry *h; + bfd_vma mask; + + h = bfd_link_hash_lookup (info->hash, "_gp", false, false, true); + + gp = (h->u.def.value + + h->u.def.section->output_section->vma + + h->u.def.section->output_offset); + + value -= input_section->output_section->vma; + value -= (gp - input_section->output_section->vma); + + insn = bfd_get_32 (input_bfd, contents + relocation->r_offset); + + value += relocation->r_addend; + + if ((long) value > 0x7ff || (long) value < -0x800) + return bfd_reloc_overflow; + + /* The high 6 bits go into bits 17-12. The low 6 bits go into bits 5-0. */ + mask = 0x3f03f; + insn = (insn & ~mask) | ((value & 0xfc0) << 12) | (value & 0x3f); + + bfd_put_32 (input_bfd, insn, contents + relocation->r_offset); + + return bfd_reloc_ok; +} + +/* Handle an FRV ELF HI16 reloc. */ + +static bfd_reloc_status_type +elf32_frv_relocate_hi16 (input_bfd, relhi, contents, value) + bfd *input_bfd; + Elf_Internal_Rela *relhi; + bfd_byte *contents; + bfd_vma value; +{ + bfd_vma insn; + + insn = bfd_get_32 (input_bfd, contents + relhi->r_offset); + + value += relhi->r_addend; + value = ((value >> 16) & 0xffff); + + insn = (insn & 0xffff0000) | value; + + if ((long) value > 0xffff || (long) value < -0x10000) + return bfd_reloc_overflow; + + bfd_put_32 (input_bfd, insn, contents + relhi->r_offset); + return bfd_reloc_ok; + +} +static bfd_reloc_status_type +elf32_frv_relocate_lo16 (input_bfd, rello, contents, value) + bfd *input_bfd; + Elf_Internal_Rela *rello; + bfd_byte *contents; + bfd_vma value; +{ + bfd_vma insn; + + insn = bfd_get_32 (input_bfd, contents + rello->r_offset); + + value += rello->r_addend; + value = value & 0xffff; + + insn = (insn & 0xffff0000) | value; + + if ((long) value > 0xffff || (long) value < -0x10000) + return bfd_reloc_overflow; + + bfd_put_32 (input_bfd, insn, contents + rello->r_offset); + return bfd_reloc_ok; +} + +/* Perform the relocation for the CALL label24 instruction. */ + +static bfd_reloc_status_type +elf32_frv_relocate_label24 (input_bfd, input_section, rello, contents, value) + bfd *input_bfd; + asection *input_section; + Elf_Internal_Rela *rello; + bfd_byte *contents; + bfd_vma value; +{ + bfd_vma insn; + bfd_vma label6; + bfd_vma label18; + + /* The format for the call instruction is: + + 0 000000 0001111 000000000000000000 + label6 opcode label18 + + The branch calculation is: pc + (4*label24) + where label24 is the concatenation of label6 and label18. */ + + /* Grab the instruction. */ + insn = bfd_get_32 (input_bfd, contents + rello->r_offset); + + value -= input_section->output_section->vma + input_section->output_offset; + value -= rello->r_offset; + value += rello->r_addend; + + value = value >> 2; + + label6 = value & 0xfc0000; + label6 = label6 << 7; + + label18 = value & 0x3ffff; + + insn = insn & 0x803c0000; + insn = insn | label6; + insn = insn | label18; + + bfd_put_32 (input_bfd, insn, contents + rello->r_offset); + + return bfd_reloc_ok; +} + +static bfd_reloc_status_type +elf32_frv_relocate_gprelhi (info, input_bfd, input_section, relocation, contents, value) + struct bfd_link_info *info; + bfd *input_bfd; + asection *input_section; + Elf_Internal_Rela *relocation; + bfd_byte *contents; + bfd_vma value; +{ + bfd_vma insn; + bfd_vma gp; + struct bfd_link_hash_entry *h; + + h = bfd_link_hash_lookup (info->hash, "_gp", false, false, true); + + gp = (h->u.def.value + + h->u.def.section->output_section->vma + + h->u.def.section->output_offset); + + value -= input_section->output_section->vma; + value -= (gp - input_section->output_section->vma); + value += relocation->r_addend; + value = ((value >> 16) & 0xffff); + + if ((long) value > 0xffff || (long) value < -0x10000) + return bfd_reloc_overflow; + + insn = bfd_get_32 (input_bfd, contents + relocation->r_offset); + insn = (insn & 0xffff0000) | value; + + bfd_put_32 (input_bfd, insn, contents + relocation->r_offset); + return bfd_reloc_ok; +} + +static bfd_reloc_status_type +elf32_frv_relocate_gprello (info, input_bfd, input_section, relocation, contents, value) + struct bfd_link_info *info; + bfd *input_bfd; + asection *input_section; + Elf_Internal_Rela *relocation; + bfd_byte *contents; + bfd_vma value; +{ + bfd_vma insn; + bfd_vma gp; + struct bfd_link_hash_entry *h; + + h = bfd_link_hash_lookup (info->hash, "_gp", false, false, true); + + gp = (h->u.def.value + + h->u.def.section->output_section->vma + + h->u.def.section->output_offset); + + value -= input_section->output_section->vma; + value -= (gp - input_section->output_section->vma); + value += relocation->r_addend; + value = value & 0xffff; + + if ((long) value > 0xffff || (long) value < -0x10000) + return bfd_reloc_overflow; + + insn = bfd_get_32 (input_bfd, contents + relocation->r_offset); + insn = (insn & 0xffff0000) | value; + + bfd_put_32 (input_bfd, insn, contents + relocation->r_offset); + + return bfd_reloc_ok; +} + +static reloc_howto_type * +frv_reloc_type_lookup (abfd, code) + bfd * abfd ATTRIBUTE_UNUSED; + bfd_reloc_code_real_type code; +{ + switch (code) + { + default: + break; + + case BFD_RELOC_NONE: + return &elf32_frv_howto_table[ (int) R_FRV_NONE]; + + case BFD_RELOC_32: + case BFD_RELOC_CTOR: + return &elf32_frv_howto_table[ (int) R_FRV_32]; + + case BFD_RELOC_FRV_LABEL16: + return &elf32_frv_howto_table[ (int) R_FRV_LABEL16]; + + case BFD_RELOC_FRV_LABEL24: + return &elf32_frv_howto_table[ (int) R_FRV_LABEL24]; + + case BFD_RELOC_FRV_LO16: + return &elf32_frv_howto_table[ (int) R_FRV_LO16]; + + case BFD_RELOC_FRV_HI16: + return &elf32_frv_howto_table[ (int) R_FRV_HI16]; + + case BFD_RELOC_FRV_GPREL12: + return &elf32_frv_howto_table[ (int) R_FRV_GPREL12]; + + case BFD_RELOC_FRV_GPRELU12: + return &elf32_frv_howto_table[ (int) R_FRV_GPRELU12]; + + case BFD_RELOC_FRV_GPREL32: + return &elf32_frv_howto_table[ (int) R_FRV_GPREL32]; + + case BFD_RELOC_FRV_GPRELHI: + return &elf32_frv_howto_table[ (int) R_FRV_GPRELHI]; + + case BFD_RELOC_FRV_GPRELLO: + return &elf32_frv_howto_table[ (int) R_FRV_GPRELLO]; + + case BFD_RELOC_VTABLE_INHERIT: + return &elf32_frv_vtinherit_howto; + + case BFD_RELOC_VTABLE_ENTRY: + return &elf32_frv_vtentry_howto; + } + + return NULL; +} + +/* Set the howto pointer for an FRV ELF reloc. */ + +static void +frv_info_to_howto_rela (abfd, cache_ptr, dst) + bfd * abfd ATTRIBUTE_UNUSED; + arelent * cache_ptr; + Elf32_Internal_Rela * dst; +{ + unsigned int r_type; + + r_type = ELF32_R_TYPE (dst->r_info); + switch (r_type) + { + case R_FRV_GNU_VTINHERIT: + cache_ptr->howto = &elf32_frv_vtinherit_howto; + break; + + case R_FRV_GNU_VTENTRY: + cache_ptr->howto = &elf32_frv_vtentry_howto; + break; + + default: + cache_ptr->howto = & elf32_frv_howto_table [r_type]; + break; + } +} + +/* Perform a single relocation. By default we use the standard BFD + routines, but a few relocs, we have to do them ourselves. */ + +static bfd_reloc_status_type +frv_final_link_relocate (howto, input_bfd, input_section, contents, rel, relocation) + reloc_howto_type * howto; + bfd * input_bfd; + asection * input_section; + bfd_byte * contents; + Elf_Internal_Rela * rel; + bfd_vma relocation; +{ + return _bfd_final_link_relocate (howto, input_bfd, input_section, + contents, rel->r_offset, relocation, + rel->r_addend); +} + + +/* Relocate an FRV ELF section. + There is some attempt to make this function usable for many architectures, + both USE_REL and USE_RELA ['twould be nice if such a critter existed], + if only to serve as a learning tool. + + The RELOCATE_SECTION function is called by the new ELF backend linker + to handle the relocations for a section. + + The relocs are always passed as Rela structures; if the section + actually uses Rel structures, the r_addend field will always be + zero. + + This function is responsible for adjusting the section contents as + necessary, and (if using Rela relocs and generating a relocateable + output file) adjusting the reloc addend as necessary. + + This function does not have to worry about setting the reloc + address or the reloc symbol index. + + LOCAL_SYMS is a pointer to the swapped in local symbols. + + LOCAL_SECTIONS is an array giving the section in the input file + corresponding to the st_shndx field of each local symbol. + + The global hash table entry for the global symbols can be found + via elf_sym_hashes (input_bfd). + + When generating relocateable output, this function must handle + STB_LOCAL/STT_SECTION symbols specially. The output symbol is + going to be the section symbol corresponding to the output + section, which means that the addend must be adjusted + accordingly. */ + +static boolean +elf32_frv_relocate_section (output_bfd, info, input_bfd, input_section, + contents, relocs, local_syms, local_sections) + bfd * output_bfd ATTRIBUTE_UNUSED; + struct bfd_link_info * info; + bfd * input_bfd; + asection * input_section; + bfd_byte * contents; + Elf_Internal_Rela * relocs; + Elf_Internal_Sym * local_syms; + asection ** local_sections; +{ + Elf_Internal_Shdr * symtab_hdr; + struct elf_link_hash_entry ** sym_hashes; + Elf_Internal_Rela * rel; + Elf_Internal_Rela * relend; + + symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; + sym_hashes = elf_sym_hashes (input_bfd); + relend = relocs + input_section->reloc_count; + + for (rel = relocs; rel < relend; rel ++) + { + reloc_howto_type * howto; + unsigned long r_symndx; + Elf_Internal_Sym * sym; + asection * sec; + struct elf_link_hash_entry * h; + bfd_vma relocation; + bfd_reloc_status_type r; + const char * name = NULL; + int r_type; + + r_type = ELF32_R_TYPE (rel->r_info); + + if ( r_type == R_FRV_GNU_VTINHERIT + || r_type == R_FRV_GNU_VTENTRY) + continue; + + 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. */ + howto = elf32_frv_howto_table + ELF32_R_TYPE (rel->r_info); + h = NULL; + sym = NULL; + sec = NULL; + + if (r_symndx < symtab_hdr->sh_info) + { + sym = local_syms + r_symndx; + sec = local_sections [r_symndx]; + relocation = (sec->output_section->vma + + sec->output_offset + + sym->st_value); + + name = bfd_elf_string_from_elf_section + (input_bfd, symtab_hdr->sh_link, sym->st_name); + name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name; + } + 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; + + name = h->root.root.string; + + if (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + { + sec = h->root.u.def.section; + 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->callbacks->undefined_symbol) + (info, h->root.root.string, input_bfd, + input_section, rel->r_offset, true))) + return false; + relocation = 0; + } + } + + if (r_type == R_FRV_HI16) + r = elf32_frv_relocate_hi16 (input_bfd, rel, contents, relocation); + + else if (r_type == R_FRV_LO16) + r = elf32_frv_relocate_lo16 (input_bfd, rel, contents, relocation); + + else if (r_type == R_FRV_LABEL24) + r = elf32_frv_relocate_label24 (input_bfd, input_section, rel, contents, relocation); + + else if (r_type == R_FRV_GPREL12) + r = elf32_frv_relocate_gprel12 (info, input_bfd, input_section, rel, contents, relocation); + + else if (r_type == R_FRV_GPRELU12) + r = elf32_frv_relocate_gprelu12 (info, input_bfd, input_section, rel, contents, relocation); + + else if (r_type == R_FRV_GPRELLO) + r = elf32_frv_relocate_gprello (info, input_bfd, input_section, rel, contents, relocation); + + else if (r_type == R_FRV_GPRELHI) + r = elf32_frv_relocate_gprelhi (info, input_bfd, input_section, rel, contents, relocation); + + else + r = frv_final_link_relocate (howto, input_bfd, input_section, contents, rel, relocation); + + if (r != bfd_reloc_ok) + { + const char * msg = (const char *) NULL; + + switch (r) + { + case bfd_reloc_overflow: + r = info->callbacks->reloc_overflow + (info, name, howto->name, (bfd_vma) 0, + input_bfd, input_section, rel->r_offset); + break; + + case bfd_reloc_undefined: + r = info->callbacks->undefined_symbol + (info, name, input_bfd, input_section, rel->r_offset, true); + break; + + case bfd_reloc_outofrange: + msg = _("internal error: out of range error"); + break; + + case bfd_reloc_notsupported: + msg = _("internal error: unsupported relocation error"); + break; + + case bfd_reloc_dangerous: + msg = _("internal error: dangerous relocation"); + break; + + default: + msg = _("internal error: unknown error"); + break; + } + + if (msg) + r = info->callbacks->warning + (info, msg, name, input_bfd, input_section, rel->r_offset); + + if (! r) + return false; + } + } + + return true; +} + +/* Return the section that should be marked against GC for a given + relocation. */ + +static asection * +elf32_frv_gc_mark_hook (abfd, info, rel, h, sym) + bfd * abfd; + struct bfd_link_info * info ATTRIBUTE_UNUSED; + Elf_Internal_Rela * rel; + struct elf_link_hash_entry * h; + Elf_Internal_Sym * sym; +{ + if (h != NULL) + { + switch (ELF32_R_TYPE (rel->r_info)) + { + case R_FRV_GNU_VTINHERIT: + case R_FRV_GNU_VTENTRY: + break; + + default: + switch (h->root.type) + { + default: + break; + + case bfd_link_hash_defined: + case bfd_link_hash_defweak: + return h->root.u.def.section; + + case bfd_link_hash_common: + return h->root.u.c.p->section; + } + } + } + else + { + if (!(elf_bad_symtab (abfd) + && ELF_ST_BIND (sym->st_info) != STB_LOCAL) + && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE) + && sym->st_shndx != SHN_COMMON)) + return bfd_section_from_elf_index (abfd, sym->st_shndx); + } + + return NULL; +} + +/* Update the got entry reference counts for the section being removed. */ + +static boolean +elf32_frv_gc_sweep_hook (abfd, info, sec, relocs) + bfd * abfd ATTRIBUTE_UNUSED; + struct bfd_link_info * info ATTRIBUTE_UNUSED; + asection * sec ATTRIBUTE_UNUSED; + const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED; +{ + return true; +} + + +/* Hook called by the linker routine which adds symbols from an object + file. We use it to put .comm items in .scomm, and not .comm. */ + +static boolean +elf32_frv_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) + bfd *abfd; + struct bfd_link_info *info; + const Elf_Internal_Sym *sym; + const char **namep ATTRIBUTE_UNUSED; + flagword *flagsp ATTRIBUTE_UNUSED; + asection **secp; + bfd_vma *valp; +{ + if (sym->st_shndx == SHN_COMMON + && !info->relocateable + && (int)sym->st_size <= (int)bfd_get_gp_size (abfd)) + { + /* Common symbols less than or equal to -G nn bytes are + automatically put into .sbss. */ + + asection *scomm = bfd_get_section_by_name (abfd, ".scommon"); + + if (scomm == NULL) + { + scomm = bfd_make_section (abfd, ".scommon"); + if (scomm == NULL + || !bfd_set_section_flags (abfd, scomm, (SEC_ALLOC + | SEC_IS_COMMON + | SEC_LINKER_CREATED))) + return false; + } + + *secp = scomm; + *valp = sym->st_size; + } + + return true; +} +/* Look through the relocs for a section during the first phase. + Since we don't do .gots or .plts, we just need to consider the + virtual table relocs for gc. */ + +static boolean +elf32_frv_check_relocs (abfd, info, sec, relocs) + bfd *abfd; + struct bfd_link_info *info; + asection *sec; + const Elf_Internal_Rela *relocs; +{ + Elf_Internal_Shdr *symtab_hdr; + struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; + const Elf_Internal_Rela *rel; + const Elf_Internal_Rela *rel_end; + + if (info->relocateable) + return true; + + symtab_hdr = &elf_tdata (abfd)->symtab_hdr; + sym_hashes = elf_sym_hashes (abfd); + sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf32_External_Sym); + if (!elf_bad_symtab (abfd)) + sym_hashes_end -= symtab_hdr->sh_info; + + rel_end = relocs + sec->reloc_count; + for (rel = relocs; rel < rel_end; rel++) + { + struct elf_link_hash_entry *h; + unsigned long r_symndx; + + r_symndx = ELF32_R_SYM (rel->r_info); + if (r_symndx < symtab_hdr->sh_info) + h = NULL; + else + h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + + switch (ELF32_R_TYPE (rel->r_info)) + { + /* This relocation describes the C++ object vtable hierarchy. + Reconstruct it for later use during GC. */ + case R_FRV_GNU_VTINHERIT: + if (!_bfd_elf32_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_FRV_GNU_VTENTRY: + if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend)) + return false; + break; + } + } + + return true; +} + + +/* Return the machine subcode from the ELF e_flags header. */ + +static int +elf32_frv_machine (abfd) + bfd *abfd; +{ + switch (elf_elfheader (abfd)->e_flags & EF_FRV_CPU_MASK) + { + default: break; + case EF_FRV_CPU_FR500: return bfd_mach_fr500; + case EF_FRV_CPU_FR400: return bfd_mach_fr400; + case EF_FRV_CPU_FR300: return bfd_mach_fr300; + case EF_FRV_CPU_SIMPLE: return bfd_mach_frvsimple; + case EF_FRV_CPU_TOMCAT: return bfd_mach_frvtomcat; + } + + return bfd_mach_frv; +} + +/* Set the right machine number for a FRV ELF file. */ + +static boolean +elf32_frv_object_p (abfd) + bfd *abfd; +{ + bfd_default_set_arch_mach (abfd, bfd_arch_frv, elf32_frv_machine (abfd)); + return true; +} + +/* Function to set the ELF flag bits. */ + +static boolean +frv_elf_set_private_flags (abfd, flags) + bfd *abfd; + flagword flags; +{ + elf_elfheader (abfd)->e_flags = flags; + elf_flags_init (abfd) = true; + return true; +} + +/* Copy backend specific data from one object module to another. */ + +static boolean +frv_elf_copy_private_bfd_data (ibfd, obfd) + bfd *ibfd; + bfd *obfd; +{ + if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour + || bfd_get_flavour (obfd) != bfd_target_elf_flavour) + return true; + + BFD_ASSERT (!elf_flags_init (obfd) + || elf_elfheader (obfd)->e_flags == elf_elfheader (ibfd)->e_flags); + + elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; + elf_flags_init (obfd) = true; + return true; +} + +/* Merge backend specific data from an object file to the output + object file when linking. */ + +static boolean +frv_elf_merge_private_bfd_data (ibfd, obfd) + bfd *ibfd; + bfd *obfd; +{ + flagword old_flags, old_partial; + flagword new_flags, new_partial; + boolean error = false; + char new_opt[80]; + char old_opt[80]; + + new_opt[0] = old_opt[0] = '\0'; + new_flags = elf_elfheader (ibfd)->e_flags; + old_flags = elf_elfheader (obfd)->e_flags; + +#ifdef DEBUG + (*_bfd_error_handler) ("old_flags = 0x%.8lx, new_flags = 0x%.8lx, init = %s, filename = %s", + old_flags, new_flags, elf_flags_init (obfd) ? "yes" : "no", + bfd_get_filename (ibfd)); +#endif + + if (!elf_flags_init (obfd)) /* First call, no flags set. */ + { + elf_flags_init (obfd) = true; + old_flags = new_flags; + } + + else if (new_flags == old_flags) /* Compatible flags are ok. */ + ; + + else /* Possibly incompatible flags. */ + { + /* Warn if different # of gprs are used. Note, 0 means nothing is + said about the size of gprs. */ + new_partial = (new_flags & EF_FRV_GPR_MASK); + old_partial = (old_flags & EF_FRV_GPR_MASK); + if (new_partial == old_partial) + ; + + else if (new_partial == 0) + ; + + else if (old_partial == 0) + old_flags |= new_partial; + + else + { + switch (new_partial) + { + default: strcat (new_opt, " -mgpr-??"); break; + case EF_FRV_GPR_32: strcat (new_opt, " -mgpr-32"); break; + case EF_FRV_GPR_64: strcat (new_opt, " -mgpr-64"); break; + } + + switch (old_partial) + { + default: strcat (old_opt, " -mgpr-??"); break; + case EF_FRV_GPR_32: strcat (old_opt, " -mgpr-32"); break; + case EF_FRV_GPR_64: strcat (old_opt, " -mgpr-64"); break; + } + } + + /* Warn if different # of fprs are used. Note, 0 means nothing is + said about the size of fprs. */ + new_partial = (new_flags & EF_FRV_FPR_MASK); + old_partial = (old_flags & EF_FRV_FPR_MASK); + if (new_partial == old_partial) + ; + + else if (new_partial == 0) + ; + + else if (old_partial == 0) + old_flags |= new_partial; + + else + { + switch (new_partial) + { + default: strcat (new_opt, " -mfpr-?"); break; + case EF_FRV_FPR_32: strcat (new_opt, " -mfpr-32"); break; + case EF_FRV_FPR_64: strcat (new_opt, " -mfpr-64"); break; + case EF_FRV_FPR_NONE: strcat (new_opt, " -msoft-float"); break; + } + + switch (old_partial) + { + default: strcat (old_opt, " -mfpr-?"); break; + case EF_FRV_FPR_32: strcat (old_opt, " -mfpr-32"); break; + case EF_FRV_FPR_64: strcat (old_opt, " -mfpr-64"); break; + case EF_FRV_FPR_NONE: strcat (old_opt, " -msoft-float"); break; + } + } + + /* Warn if different dword support was used. Note, 0 means nothing is + said about the dword support. */ + new_partial = (new_flags & EF_FRV_DWORD_MASK); + old_partial = (old_flags & EF_FRV_DWORD_MASK); + if (new_partial == old_partial) + ; + + else if (new_partial == 0) + ; + + else if (old_partial == 0) + old_flags |= new_partial; + + else + { + switch (new_partial) + { + default: strcat (new_opt, " -mdword-?"); break; + case EF_FRV_DWORD_YES: strcat (new_opt, " -mdword"); break; + case EF_FRV_DWORD_NO: strcat (new_opt, " -mno-dword"); break; + } + + switch (old_partial) + { + default: strcat (old_opt, " -mdword-?"); break; + case EF_FRV_DWORD_YES: strcat (old_opt, " -mdword"); break; + case EF_FRV_DWORD_NO: strcat (old_opt, " -mno-dword"); break; + } + } + + /* Or in flags that accumulate (ie, if one module uses it, mark that the + feature is used. */ + old_flags |= new_flags & (EF_FRV_DOUBLE + | EF_FRV_MEDIA + | EF_FRV_MULADD + | EF_FRV_NON_PIC_RELOCS); + + /* If any module was compiled without -G0, clear the G0 bit. */ + old_flags = ((old_flags & ~ EF_FRV_G0) + | (old_flags & new_flags & EF_FRV_G0)); + + /* If any module was compiled without -mnopack, clear the mnopack bit. */ + old_flags = ((old_flags & ~ EF_FRV_NOPACK) + | (old_flags & new_flags & EF_FRV_NOPACK)); + + /* We don't have to do anything if the pic flags are the same, or the new + module(s) were compiled with -mlibrary-pic. */ + new_partial = (new_flags & EF_FRV_PIC_FLAGS); + old_partial = (old_flags & EF_FRV_PIC_FLAGS); + if ((new_partial == old_partial) || ((new_partial & EF_FRV_LIBPIC) != 0)) + ; + + /* If the old module(s) were compiled with -mlibrary-pic, copy in the pic + flags if any from the new module. */ + else if ((old_partial & EF_FRV_LIBPIC) != 0) + old_flags = (old_flags & ~ EF_FRV_PIC_FLAGS) | new_partial; + + /* If we have mixtures of -fpic and -fPIC, or in both bits. */ + else if (new_partial != 0 && old_partial != 0) + old_flags |= new_partial; + + /* One module was compiled for pic and the other was not, see if we have + had any relocations that are not pic-safe. */ + else + { + if ((old_flags & EF_FRV_NON_PIC_RELOCS) == 0) + old_flags |= new_partial; + else + { + old_flags &= ~ EF_FRV_PIC_FLAGS; +#ifndef FRV_NO_PIC_ERROR + error = true; + (*_bfd_error_handler) + (_("%s: compiled with %s and linked with modules that use non-pic relocations"), + bfd_get_filename (ibfd), + (new_flags & EF_FRV_BIGPIC) ? "-fPIC" : "-fpic"); +#endif + } + } + + /* Warn if different cpu is used (allow a specific cpu to override + the generic cpu). */ + new_partial = (new_flags & EF_FRV_CPU_MASK); + old_partial = (old_flags & EF_FRV_CPU_MASK); + if (new_partial == old_partial) + ; + + else if (new_partial == EF_FRV_CPU_GENERIC) + ; + + else if (old_partial == EF_FRV_CPU_GENERIC) + old_flags = (old_flags & ~EF_FRV_CPU_MASK) | new_partial; + + else + { + switch (new_partial) + { + default: strcat (new_opt, " -mcpu=?"); break; + case EF_FRV_CPU_GENERIC: strcat (new_opt, " -mcpu=frv"); break; + case EF_FRV_CPU_SIMPLE: strcat (new_opt, " -mcpu=simple"); break; + case EF_FRV_CPU_FR500: strcat (new_opt, " -mcpu=fr500"); break; + case EF_FRV_CPU_FR400: strcat (new_opt, " -mcpu=fr400"); break; + case EF_FRV_CPU_FR300: strcat (new_opt, " -mcpu=fr300"); break; + case EF_FRV_CPU_TOMCAT: strcat (new_opt, " -mcpu=tomcat"); break; + } + + switch (old_partial) + { + default: strcat (old_opt, " -mcpu=?"); break; + case EF_FRV_CPU_GENERIC: strcat (old_opt, " -mcpu=frv"); break; + case EF_FRV_CPU_SIMPLE: strcat (old_opt, " -mcpu=simple"); break; + case EF_FRV_CPU_FR500: strcat (old_opt, " -mcpu=fr500"); break; + case EF_FRV_CPU_FR400: strcat (old_opt, " -mcpu=fr400"); break; + case EF_FRV_CPU_FR300: strcat (old_opt, " -mcpu=fr300"); break; + case EF_FRV_CPU_TOMCAT: strcat (old_opt, " -mcpu=tomcat"); break; + } + } + + /* Print out any mismatches from above. */ + if (new_opt[0]) + { + error = true; + (*_bfd_error_handler) + (_("%s: compiled with %s and linked with modules compiled with %s"), + bfd_get_filename (ibfd), new_opt, old_opt); + } + + /* Warn about any other mismatches */ + new_partial = (new_flags & ~ EF_FRV_ALL_FLAGS); + old_partial = (old_flags & ~ EF_FRV_ALL_FLAGS); + if (new_partial != old_partial) + { + old_flags |= new_partial; + error = true; + (*_bfd_error_handler) + (_("%s: uses different unknown e_flags (0x%lx) fields than previous modules (0x%lx)"), + bfd_get_filename (ibfd), (long)new_partial, (long)old_partial); + } + } + + /* If the cpu is -mcpu=simple, then set the -mnopack bit. */ + if ((old_flags & EF_FRV_CPU_MASK) == EF_FRV_CPU_SIMPLE) + old_flags |= EF_FRV_NOPACK; + + /* Update the old flags now with changes made above. */ + old_partial = elf_elfheader (obfd)->e_flags & EF_FRV_CPU_MASK; + elf_elfheader (obfd)->e_flags = old_flags; + if (old_partial != (old_flags & EF_FRV_CPU_MASK)) + bfd_default_set_arch_mach (obfd, bfd_arch_frv, elf32_frv_machine (obfd)); + + if (error) + bfd_set_error (bfd_error_bad_value); + + return !error; +} + + +boolean +frv_elf_print_private_bfd_data (abfd, ptr) + bfd *abfd; + PTR ptr; +{ + FILE *file = (FILE *) ptr; + flagword flags; + + BFD_ASSERT (abfd != NULL && ptr != NULL); + + /* Print normal ELF private data. */ + _bfd_elf_print_private_bfd_data (abfd, ptr); + + flags = elf_elfheader (abfd)->e_flags; + fprintf (file, _("private flags = 0x%lx:"), (long)flags); + + switch (flags & EF_FRV_CPU_MASK) + { + default: break; + case EF_FRV_CPU_SIMPLE: fprintf (file, " -mcpu=simple"); break; + case EF_FRV_CPU_FR500: fprintf (file, " -mcpu=fr500"); break; + case EF_FRV_CPU_FR400: fprintf (file, " -mcpu=fr400"); break; + case EF_FRV_CPU_FR300: fprintf (file, " -mcpu=fr300"); break; + case EF_FRV_CPU_TOMCAT: fprintf (file, " -mcpu=tomcat"); break; + } + + switch (flags & EF_FRV_GPR_MASK) + { + default: break; + case EF_FRV_GPR_32: fprintf (file, " -mgpr-32"); break; + case EF_FRV_GPR_64: fprintf (file, " -mgpr-64"); break; + } + + switch (flags & EF_FRV_FPR_MASK) + { + default: break; + case EF_FRV_FPR_32: fprintf (file, " -mfpr-32"); break; + case EF_FRV_FPR_64: fprintf (file, " -mfpr-64"); break; + case EF_FRV_FPR_NONE: fprintf (file, " -msoft-float"); break; + } + + switch (flags & EF_FRV_DWORD_MASK) + { + default: break; + case EF_FRV_DWORD_YES: fprintf (file, " -mdword"); break; + case EF_FRV_DWORD_NO: fprintf (file, " -mno-dword"); break; + } + + if (flags & EF_FRV_DOUBLE) + fprintf (file, " -mdouble"); + + if (flags & EF_FRV_MEDIA) + fprintf (file, " -mmedia"); + + if (flags & EF_FRV_MULADD) + fprintf (file, " -mmuladd"); + + if (flags & EF_FRV_PIC) + fprintf (file, " -fpic"); + + if (flags & EF_FRV_BIGPIC) + fprintf (file, " -fPIC"); + + if (flags & EF_FRV_NON_PIC_RELOCS) + fprintf (file, " non-pic relocations"); + + if (flags & EF_FRV_G0) + fprintf (file, " -G0"); + + fputc ('\n', file); + return true; +} + + +#define ELF_ARCH bfd_arch_frv +#define ELF_MACHINE_CODE EM_CYGNUS_FRV +#define ELF_MAXPAGESIZE 0x1000 + +#define TARGET_BIG_SYM bfd_elf32_frv_vec +#define TARGET_BIG_NAME "elf32-frv" + +#define elf_info_to_howto_rel NULL +#define elf_info_to_howto frv_info_to_howto_rela +#define elf_backend_relocate_section elf32_frv_relocate_section +#define elf_backend_gc_mark_hook elf32_frv_gc_mark_hook +#define elf_backend_gc_sweep_hook elf32_frv_gc_sweep_hook +#define elf_backend_check_relocs elf32_frv_check_relocs +#define elf_backend_object_p elf32_frv_object_p +#define elf_backend_add_symbol_hook elf32_frv_add_symbol_hook + +#define elf_backend_can_gc_sections 1 + +#define bfd_elf32_bfd_reloc_type_lookup frv_reloc_type_lookup +#define bfd_elf32_bfd_set_private_flags frv_elf_set_private_flags +#define bfd_elf32_bfd_copy_private_bfd_data frv_elf_copy_private_bfd_data +#define bfd_elf32_bfd_merge_private_bfd_data frv_elf_merge_private_bfd_data +#define bfd_elf32_bfd_print_private_bfd_data frv_elf_print_private_bfd_data + +#include "elf32-target.h" |