From: Doug Evans Date: Thu, 29 Jan 1998 10:19:35 +0000 (+0000) Subject: txvu support moved into mips [as dvp] X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7948d172e0fe91c6a71756e8ce2820eb50a53b56;p=binutils-gdb.git txvu support moved into mips [as dvp] --- diff --git a/bfd/cpu-txvu.c b/bfd/cpu-txvu.c deleted file mode 100644 index 77520ee6cba..00000000000 --- a/bfd/cpu-txvu.c +++ /dev/null @@ -1,35 +0,0 @@ -/* BFD support for the TXVU processor. - Copyright (C) 1997 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" - -#define N(number, print, default, next) \ -{ 32, 32, 8, bfd_arch_txvu, number, "txvu", print, 4, \ - default, bfd_default_compatible, bfd_default_scan, next } - -#if 0 /* Additional variants go here. */ -static const bfd_arch_info_type arch_info_struct[] = -{ -}; -#endif - -const bfd_arch_info_type bfd_txvu_arch = - N( bfd_mach_txvu, "txvu", true, NULL ); diff --git a/bfd/elf32-txvu.c b/bfd/elf32-txvu.c deleted file mode 100644 index ce6a68322e5..00000000000 --- a/bfd/elf32-txvu.c +++ /dev/null @@ -1,384 +0,0 @@ -/* TXVU-specific support for 32-bit ELF. - Copyright (C) 1997, 1998 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/txvu.h" - -static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup - PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); -static void txvu_info_to_howto_rel - PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *)); -static boolean txvu_elf_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); - -/* Use RELA, not REL. REL incurs complications one would rather not - deal with. */ -/*#define USE_REL*/ - -static reloc_howto_type txvu_elf_howto_table[] = -{ - /* This reloc does nothing. */ - HOWTO (R_TXVU_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_TXVU_NONE", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - /* A PC Relative 11-bit relocation, shifted by 3. - Fortunately, the lower instruction has the lower address in the 64 bit - pair. Thus we can treat the address of the instruction as a whole - as the address of the lower instruction (the one with the branch), - and pretend the instruction size is 32 bits. - Otherwise, we'd have to either perform the relocation on all 64 bits - (since the pc relative address is the start of the pair), or set the - address of the reloc as the address of the lower instruction and do what - is done for R_M32R_10_PCREL which is to mask off the lower 3 bits of the - pc before performing the reloc. */ - HOWTO (R_TXVU_11_PCREL, /* type */ - 3, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 11, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TXVU_11_PCREL", /* name */ - false, /* partial_inplace */ - 0x1ff, /* src_mask */ - 0x1ff, /* dst_mask */ - true), /* pcrel_offset */ -}; - -/* Map BFD reloc types to TXVU ELF reloc types. */ - -struct txvu_reloc_map -{ - unsigned char bfd_reloc_val; - unsigned char elf_reloc_val; -}; - -static const struct txvu_reloc_map txvu_reloc_map[] = -{ - { BFD_RELOC_NONE, R_TXVU_NONE }, - { BFD_RELOC_TXVU_11_PCREL, R_TXVU_11_PCREL } -}; - -static reloc_howto_type * -bfd_elf32_bfd_reloc_type_lookup (abfd, code) - bfd *abfd; - bfd_reloc_code_real_type code; -{ - unsigned int i; - - for (i = 0; - i < sizeof (txvu_reloc_map) / sizeof (struct txvu_reloc_map); - i++) - { - if (txvu_reloc_map[i].bfd_reloc_val == code) - return &txvu_elf_howto_table[txvu_reloc_map[i].elf_reloc_val]; - } - - return NULL; -} - -/* Set the howto pointer for an TXVU ELF reloc. */ - -static void -txvu_info_to_howto_rel (abfd, cache_ptr, dst) - bfd *abfd; - arelent *cache_ptr; - Elf32_Internal_Rela *dst; -{ - unsigned int r_type = ELF32_R_TYPE (dst->r_info); - BFD_ASSERT (r_type < (unsigned int) R_TXVU_max); - cache_ptr->howto = &txvu_elf_howto_table[r_type]; -} - -/* Relocate a TXVU ELF section. - - 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 adjust 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 -txvu_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 = &elf_tdata (input_bfd)->symtab_hdr; - struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd); - Elf_Internal_Rela *rel, *relend; - bfd *dynobj = elf_hash_table (info)->dynobj; - /* Assume success. */ - boolean ret = true; - - rel = relocs; - relend = relocs + input_section->reloc_count; - for (; rel < relend; rel++) - { - int r_type; - reloc_howto_type *howto; - unsigned long r_symndx; - /* We can't modify r_addend here as elf_link_input_bfd has an assert to - ensure it's zero (we use REL relocs, not RELA). Therefore this - should be assigning zero to `addend', but for clarity we use - `r_addend'. */ - /* ??? The previous comment is old, revisit and delete. */ - bfd_vma addend = rel->r_addend; - bfd_vma offset = rel->r_offset; - struct elf_link_hash_entry *h; - Elf_Internal_Sym *sym; - asection *sec; - const char *sym_name; - bfd_reloc_status_type r; - const char *errmsg = NULL; - - r_type = ELF32_R_TYPE (rel->r_info); - if (r_type < 0 || r_type >= (int) R_TXVU_max) - { - (*_bfd_error_handler) ("%s: unknown relocation type %d", - bfd_get_filename (input_bfd), - (int) r_type); - bfd_set_error (bfd_error_bad_value); - ret = false; - continue; - } - - howto = txvu_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. */ - sec = NULL; - if (r_symndx >= symtab_hdr->sh_info) - { - /* External symbol. */ - continue; - } - - /* Local symbol. */ - sym = local_syms + r_symndx; - sym_name = ""; - /* STT_SECTION: symbol is associated with a section. */ - if (ELF_ST_TYPE (sym->st_info) != STT_SECTION) - { - /* Symbol isn't associated with a section. Nothing to do. */ - continue; - } - - sec = local_sections[r_symndx]; - addend += sec->output_offset + sym->st_value; - rel->r_addend = addend; - - /* Addends are stored with relocs. We're done. */ - continue; - } - else - { - bfd_vma relocation; - - /* This is a final link. */ - h = NULL; - sym = NULL; - sec = NULL; - - if (r_symndx < symtab_hdr->sh_info) - { - /* Local symbol. */ - sym = local_syms + r_symndx; - sec = local_sections[r_symndx]; - sym_name = ""; - relocation = (sec->output_section->vma - + sec->output_offset - + sym->st_value); - } - else - { - /* External symbol. */ - 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; - sym_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; - if (sec->output_section == NULL) - 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->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, offset))) - return false; - relocation = 0; - } - } - - /* Sanity check the address. */ - if (offset > input_section->_raw_size) - { - r = bfd_reloc_outofrange; - goto check_reloc; - } - - switch ((int) r_type) - { - /* insert reloc handling code here */ - default : - r = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, offset, - relocation, addend); - break; - } - } - - check_reloc: - - if (r != bfd_reloc_ok) - { - /* FIXME: This should be generic enough to go in a utility. */ - 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 || *name == '\0') - name = bfd_section_name (input_bfd, sec); - } - - if (errmsg != NULL) - goto common_error; - - switch (r) - { - case bfd_reloc_overflow: - if (! ((*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, offset))) - return false; - break; - - case bfd_reloc_undefined: - if (! ((*info->callbacks->undefined_symbol) - (info, name, input_bfd, input_section, - offset))) - return false; - break; - - case bfd_reloc_outofrange: - errmsg = "internal error: out of range error"; - goto common_error; - - case bfd_reloc_notsupported: - errmsg = "internal error: unsupported relocation error"; - goto common_error; - - case bfd_reloc_dangerous: - errmsg = "internal error: dangerous error"; - goto common_error; - - default: - errmsg = "internal error: unknown error"; - /* fall through */ - - common_error: - if (!((*info->callbacks->warning) - (info, errmsg, name, input_bfd, input_section, - offset))) - return false; - break; - } - } - } - - return ret; -} - -#define ELF_ARCH bfd_arch_txvu -#define ELF_MACHINE_CODE EM_CYGNUS_TXVU -#define ELF_MAXPAGESIZE 0x1000 - -#define TARGET_BIG_SYM bfd_elf32_txvu_vec -#define TARGET_BIG_NAME "elf32-txvu" - -#define elf_info_to_howto txvu_info_to_howto_rel -#define elf_backend_relocate_section txvu_elf_relocate_section - -#include "elf32-target.h"