diff options
Diffstat (limited to 'contrib/gdb/bfd/elf64-sparc.c')
| -rw-r--r-- | contrib/gdb/bfd/elf64-sparc.c | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/contrib/gdb/bfd/elf64-sparc.c b/contrib/gdb/bfd/elf64-sparc.c deleted file mode 100644 index 5059b80..0000000 --- a/contrib/gdb/bfd/elf64-sparc.c +++ /dev/null @@ -1,421 +0,0 @@ -/* SPARC-specific support for 64-bit ELF - Copyright (C) 1993, 1995, 1996 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. */ - -/* We need a published ABI spec for this. Until one comes out, don't - assume this'll remain unchanged forever. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "elf-bfd.h" - -#define SPARC64_OLD_RELOCS -#include "elf/sparc.h" - -static reloc_howto_type *sparc64_elf_reloc_type_lookup - PARAMS ((bfd *, bfd_reloc_code_real_type)); -static void elf_info_to_howto - PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); - -static boolean sparc64_elf_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); -static boolean sparc64_elf_object_p PARAMS ((bfd *)); - -/* The howto table and associated functions. - ??? Some of the relocation values have changed. Until we're ready - to upgrade, we have our own copy. At some point a non upward compatible - change will be made at which point this table can be deleted and we'll - use the one in elf32-sparc.c. */ - -static bfd_reloc_status_type sparc_elf_wdisp16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -static reloc_howto_type sparc64_elf_howto_table[] = -{ - HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true), - HOWTO(R_SPARC_8, 0,0, 8,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", false,0,0x000000ff,true), - HOWTO(R_SPARC_16, 0,1,16,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", false,0,0x0000ffff,true), - HOWTO(R_SPARC_32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", false,0,0xffffffff,true), - HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", false,0,0x000000ff,true), - HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", false,0,0x0000ffff,true), - HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", false,0,0x00ffffff,true), - HOWTO(R_SPARC_WDISP30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", false,0,0x3fffffff,true), - HOWTO(R_SPARC_WDISP22, 2,2,22,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", false,0,0x003fffff,true), - HOWTO(R_SPARC_HI22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", false,0,0x003fffff,true), - HOWTO(R_SPARC_22, 0,2,22,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", false,0,0x003fffff,true), - HOWTO(R_SPARC_13, 0,2,13,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", false,0,0x00001fff,true), - HOWTO(R_SPARC_LO10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", false,0,0x000003ff,true), - HOWTO(R_SPARC_GOT10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", false,0,0x000003ff,true), - HOWTO(R_SPARC_GOT13, 0,2,13,false,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", false,0,0x00001fff,true), - HOWTO(R_SPARC_GOT22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", false,0,0x003fffff,true), - HOWTO(R_SPARC_PC10, 0,2,10,true, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", false,0,0x000003ff,true), - HOWTO(R_SPARC_PC22, 10,2,22,true, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", false,0,0x003fffff,true), - HOWTO(R_SPARC_WPLT30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", false,0,0x3fffffff,true), - HOWTO(R_SPARC_COPY, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", false,0,0x00000000,true), - HOWTO(R_SPARC_GLOB_DAT, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",false,0,0x00000000,true), - HOWTO(R_SPARC_JMP_SLOT, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",false,0,0x00000000,true), - HOWTO(R_SPARC_RELATIVE, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",false,0,0x00000000,true), - HOWTO(R_SPARC_UA32, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UA32", false,0,0x00000000,true), -#if 0 /* not used yet */ - HOWTO(R_SPARC_PLT32, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PLT32", false,0,0x00000000,true), - HOWTO(R_SPARC_HIPLT22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HIPLT22", false,0,0x00000000,true), - HOWTO(R_SPARC_LOPLT10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_LOPLT10", false,0,0x00000000,true), - HOWTO(R_SPARC_PCPLT32, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT32", false,0,0x00000000,true), - HOWTO(R_SPARC_PCPLT22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT22", false,0,0x00000000,true), - HOWTO(R_SPARC_PCPLT10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT10", false,0,0x00000000,true), -#endif - HOWTO(R_SPARC_10, 0,2,10,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", false,0,0x000003ff,true), - HOWTO(R_SPARC_11, 0,2,11,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", false,0,0x000007ff,true), - HOWTO(R_SPARC_64, 0,4,00,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", false,0,~ (bfd_vma) 0, true), - HOWTO(R_SPARC_OLO10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_OLO10", false,0,0x000003ff,true), - HOWTO(R_SPARC_HH22, 42,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HH22", false,0,0x003fffff,true), - HOWTO(R_SPARC_HM10, 32,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", false,0,0x000003ff,true), - HOWTO(R_SPARC_LM22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", false,0,0x003fffff,true), - HOWTO(R_SPARC_PC_HH22, 42,2,22,true, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HH22", false,0,0x003fffff,true), - HOWTO(R_SPARC_PC_HM10, 32,2,10,true, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", false,0,0x000003ff,true), - HOWTO(R_SPARC_PC_LM22, 10,2,22,true, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", false,0,0x003fffff,true), - HOWTO(R_SPARC_WDISP16, 2,2,16,true, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", false,0,0x00000000,true), - HOWTO(R_SPARC_WDISP19, 2,2,22,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", false,0,0x0007ffff,true), - HOWTO(R_SPARC_GLOB_JMP, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",false,0,0x00000000,true), - HOWTO(R_SPARC_7, 0,2, 7,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", false,0,0x0000007f,true), -#if 0 /* not used yet */ - HOWTO(R_SPARC_5, 0,2, 5,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", false,0,0x0000001f,true), - HOWTO(R_SPARC_6, 0,2, 6,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", false,0,0x0000003f,true), -#endif -}; - -struct elf_reloc_map { - unsigned char bfd_reloc_val; - unsigned char elf_reloc_val; -}; - -static CONST struct elf_reloc_map sparc_reloc_map[] = -{ - { BFD_RELOC_NONE, R_SPARC_NONE, }, - { BFD_RELOC_16, R_SPARC_16, }, - { BFD_RELOC_8, R_SPARC_8 }, - { BFD_RELOC_8_PCREL, R_SPARC_DISP8 }, - /* ??? This might cause us to need separate functions in elf{32,64}-sparc.c - (we could still have just one table), but is this reloc ever used? */ - { BFD_RELOC_CTOR, R_SPARC_32 }, /* @@ Assumes 32 bits. */ - { BFD_RELOC_32, R_SPARC_32 }, - { BFD_RELOC_32_PCREL, R_SPARC_DISP32 }, - { BFD_RELOC_HI22, R_SPARC_HI22 }, - { BFD_RELOC_LO10, R_SPARC_LO10, }, - { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 }, - { BFD_RELOC_SPARC22, R_SPARC_22 }, - { BFD_RELOC_SPARC13, R_SPARC_13 }, - { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 }, - { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 }, - { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 }, - { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 }, - { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 }, - { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 }, - { BFD_RELOC_SPARC_COPY, R_SPARC_COPY }, - { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT }, - { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT }, - { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE }, - { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 }, - /* ??? Doesn't dwarf use this? */ -/*{ BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */ - {BFD_RELOC_SPARC_10, R_SPARC_10}, - {BFD_RELOC_SPARC_11, R_SPARC_11}, - {BFD_RELOC_SPARC_64, R_SPARC_64}, - {BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10}, - {BFD_RELOC_SPARC_HH22, R_SPARC_HH22}, - {BFD_RELOC_SPARC_HM10, R_SPARC_HM10}, - {BFD_RELOC_SPARC_LM22, R_SPARC_LM22}, - {BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22}, - {BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10}, - {BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22}, - {BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16}, - {BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19}, - {BFD_RELOC_SPARC_GLOB_JMP, R_SPARC_GLOB_JMP}, - {BFD_RELOC_SPARC_7, R_SPARC_7}, -#if 0 /* unused */ - {BFD_RELOC_SPARC_5, R_SPARC_5}, - {BFD_RELOC_SPARC_6, R_SPARC_6}, -#endif -}; - -static reloc_howto_type * -sparc64_elf_reloc_type_lookup (abfd, code) - bfd *abfd; - bfd_reloc_code_real_type code; -{ - unsigned int i; - for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); i++) - { - if (sparc_reloc_map[i].bfd_reloc_val == code) - return &sparc64_elf_howto_table[(int) sparc_reloc_map[i].elf_reloc_val]; - } - return 0; -} - -static void -elf_info_to_howto (abfd, cache_ptr, dst) - bfd *abfd; - arelent *cache_ptr; - Elf64_Internal_Rela *dst; -{ - BFD_ASSERT (ELF64_R_TYPE (dst->r_info) < (unsigned int) R_SPARC_max); - cache_ptr->howto = &sparc64_elf_howto_table[ELF64_R_TYPE (dst->r_info)]; -} - -/* Handle the WDISP16 reloc. */ - -static bfd_reloc_status_type -sparc_elf_wdisp16_reloc (abfd, - reloc_entry, - symbol, - data, - input_section, - output_bfd, - error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; -{ - bfd_vma relocation; - bfd_vma x; - - if (output_bfd != (bfd *) NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && (! reloc_entry->howto->partial_inplace - || reloc_entry->addend == 0)) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - if (output_bfd != NULL) - return bfd_reloc_continue; - - if (reloc_entry->address > input_section->_cooked_size) - return bfd_reloc_outofrange; - - relocation = (symbol->value - + symbol->section->output_section->vma - + symbol->section->output_offset); - relocation += reloc_entry->addend; - relocation -= (input_section->output_section->vma - + input_section->output_offset); - relocation -= reloc_entry->address; - - x = bfd_get_32 (abfd, (char *) data + reloc_entry->address); - x |= ((((relocation >> 2) & 0xc000) << 6) - | ((relocation >> 2) & 0x3fff)); - bfd_put_32 (abfd, x, (char *) data + reloc_entry->address); - - if ((bfd_signed_vma) relocation < - 0x40000 - || (bfd_signed_vma) relocation > 0x3ffff) - return bfd_reloc_overflow; - else - return bfd_reloc_ok; -} - -/* Relocate a SPARC64 ELF section. */ - -static boolean -sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, - contents, relocs, local_syms, local_sections) - bfd *output_bfd; - 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); - - rel = relocs; - relend = relocs + input_section->reloc_count; - for (; rel < relend; rel++) - { - int r_type; - reloc_howto_type *howto; - long r_symndx; - struct elf_link_hash_entry *h; - Elf_Internal_Sym *sym; - asection *sec; - bfd_vma relocation; - bfd_reloc_status_type r; - - r_type = ELF64_R_TYPE (rel->r_info); - if (r_type < 0 || r_type >= (int) R_SPARC_max) - { - bfd_set_error (bfd_error_bad_value); - return false; - } - howto = sparc64_elf_howto_table + r_type; - - r_symndx = ELF64_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; - 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); - } - 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; - 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))) - return false; - relocation = 0; - } - } - - if (r_type != R_SPARC_WDISP16) - r = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, - relocation, rel->r_addend); - else - { - bfd_vma x; - - relocation += rel->r_addend; - relocation -= (input_section->output_section->vma - + input_section->output_offset); - relocation -= rel->r_offset; - - x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x |= ((((relocation >> 2) & 0xc000) << 6) - | ((relocation >> 2) & 0x3fff)); - bfd_put_32 (input_bfd, x, contents + rel->r_offset); - - if ((bfd_signed_vma) relocation < - 0x40000 - || (bfd_signed_vma) relocation > 0x3ffff) - r = bfd_reloc_overflow; - else - r = bfd_reloc_ok; - } - - if (r != bfd_reloc_ok) - { - switch (r) - { - default: - case bfd_reloc_outofrange: - abort (); - case bfd_reloc_overflow: - { - const char *name; - - if (h != NULL) - name = h->root.root.string; - else - { - name = (bfd_elf_string_from_elf_section - (input_bfd, - symtab_hdr->sh_link, - sym->st_name)); - if (name == NULL) - 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; - } - break; - } - } - } - - return true; -} - -/* Set the right machine number for a SPARC64 ELF file. */ - -static boolean -sparc64_elf_object_p (abfd) - bfd *abfd; -{ - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9); -} - -#define TARGET_BIG_SYM bfd_elf64_sparc_vec -#define TARGET_BIG_NAME "elf64-sparc" -#define ELF_ARCH bfd_arch_sparc -#define ELF_MACHINE_CODE EM_SPARC64 -#define ELF_MAXPAGESIZE 0x100000 - -#define bfd_elf64_bfd_reloc_type_lookup sparc64_elf_reloc_type_lookup -#define elf_backend_relocate_section sparc64_elf_relocate_section -#define elf_backend_object_p sparc64_elf_object_p - -#include "elf64-target.h" |
