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jeremybenn |
/* 32-bit ELF support for S+core.
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225 |
jeremybenn |
Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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jeremybenn |
Contributed by
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225 |
jeremybenn |
Brain.lin (brain.lin@sunplusct.com)
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jeremybenn |
Mei Ligang (ligang@sunnorth.com.cn)
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Pei-Lin Tsai (pltsai@sunplus.com)
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "libiberty.h"
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#include "elf-bfd.h"
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#include "elf/score.h"
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#include "elf/common.h"
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#include "elf/internal.h"
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#include "hashtab.h"
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jeremybenn |
#include "elf32-score.h"
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jeremybenn |
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jeremybenn |
int score3 = 0;
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int score7 = 1;
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jeremybenn |
/* Score ELF linker hash table. */
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struct score_elf_link_hash_table
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{
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/* The main hash table. */
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struct elf_link_hash_table root;
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};
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/* The SCORE ELF linker needs additional information for each symbol in
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the global hash table. */
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struct score_elf_link_hash_entry
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{
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struct elf_link_hash_entry root;
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/* Number of R_SCORE_ABS32, R_SCORE_REL32 relocs against this symbol. */
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unsigned int possibly_dynamic_relocs;
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/* If the R_SCORE_ABS32, R_SCORE_REL32 reloc is against a readonly section. */
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bfd_boolean readonly_reloc;
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/* We must not create a stub for a symbol that has relocations related to
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taking the function's address, i.e. any but R_SCORE_CALL15 ones. */
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bfd_boolean no_fn_stub;
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/* Are we forced local? This will only be set if we have converted
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the initial global GOT entry to a local GOT entry. */
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bfd_boolean forced_local;
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};
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/* Traverse a score ELF linker hash table. */
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#define score_elf_link_hash_traverse(table, func, info) \
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(elf_link_hash_traverse \
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(&(table)->root, \
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(bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
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(info)))
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/* Get the SCORE elf linker hash table from a link_info structure. */
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#define score_elf_hash_table(info) \
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((struct score_elf_link_hash_table *) ((info)->hash))
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/* This structure is used to hold .got entries while estimating got sizes. */
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struct score_got_entry
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{
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/* The input bfd in which the symbol is defined. */
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bfd *abfd;
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/* The index of the symbol, as stored in the relocation r_info, if
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we have a local symbol; -1 otherwise. */
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long symndx;
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union
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{
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/* If abfd == NULL, an address that must be stored in the got. */
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bfd_vma address;
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/* If abfd != NULL && symndx != -1, the addend of the relocation
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that should be added to the symbol value. */
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bfd_vma addend;
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/* If abfd != NULL && symndx == -1, the hash table entry
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corresponding to a global symbol in the got (or, local, if
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h->forced_local). */
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struct score_elf_link_hash_entry *h;
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} d;
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/* The offset from the beginning of the .got section to the entry
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corresponding to this symbol+addend. If it's a global symbol
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whose offset is yet to be decided, it's going to be -1. */
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long gotidx;
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};
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/* This structure is passed to score_elf_sort_hash_table_f when sorting
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the dynamic symbols. */
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struct score_elf_hash_sort_data
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{
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/* The symbol in the global GOT with the lowest dynamic symbol table index. */
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struct elf_link_hash_entry *low;
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/* The least dynamic symbol table index corresponding to a symbol with a GOT entry. */
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long min_got_dynindx;
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/* The greatest dynamic symbol table index corresponding to a symbol
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with a GOT entry that is not referenced (e.g., a dynamic symbol
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with dynamic relocations pointing to it from non-primary GOTs). */
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long max_unref_got_dynindx;
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/* The greatest dynamic symbol table index not corresponding to a
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symbol without a GOT entry. */
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long max_non_got_dynindx;
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};
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struct score_got_info
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{
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/* The global symbol in the GOT with the lowest index in the dynamic
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symbol table. */
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struct elf_link_hash_entry *global_gotsym;
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/* The number of global .got entries. */
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unsigned int global_gotno;
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/* The number of local .got entries. */
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unsigned int local_gotno;
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/* The number of local .got entries we have used. */
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unsigned int assigned_gotno;
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/* A hash table holding members of the got. */
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struct htab *got_entries;
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/* In multi-got links, a pointer to the next got (err, rather, most
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of the time, it points to the previous got). */
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struct score_got_info *next;
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};
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/* A structure used to count GOT entries, for GOT entry or ELF symbol table traversal. */
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struct _score_elf_section_data
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{
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struct bfd_elf_section_data elf;
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union
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{
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struct score_got_info *got_info;
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bfd_byte *tdata;
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}
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u;
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};
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#define score_elf_section_data(sec) \
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((struct _score_elf_section_data *) elf_section_data (sec))
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/* The size of a symbol-table entry. */
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#define SCORE_ELF_SYM_SIZE(abfd) \
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(get_elf_backend_data (abfd)->s->sizeof_sym)
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/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
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from smaller values. Start with zero, widen, *then* decrement. */
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#define MINUS_ONE (((bfd_vma)0) - 1)
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#define MINUS_TWO (((bfd_vma)0) - 2)
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#define PDR_SIZE 32
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/* The number of local .got entries we reserve. */
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#define SCORE_RESERVED_GOTNO (2)
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#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
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/* The offset of $gp from the beginning of the .got section. */
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#define ELF_SCORE_GP_OFFSET(abfd) (0x3ff0)
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/* The maximum size of the GOT for it to be addressable using 15-bit offsets from $gp. */
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#define SCORE_ELF_GOT_MAX_SIZE(abfd) (ELF_SCORE_GP_OFFSET(abfd) + 0x3fff)
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#define SCORE_ELF_STUB_SECTION_NAME (".SCORE.stub")
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#define SCORE_FUNCTION_STUB_SIZE (16)
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jeremybenn |
#define STUB_LW 0xc3bcc010 /* lw r29, [r28, -0x3ff0] */
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jeremybenn |
#define STUB_MOVE 0x8363bc56 /* mv r27, r3 */
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#define STUB_LI16 0x87548000 /* ori r26, .dynsym_index */
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#define STUB_BRL 0x801dbc09 /* brl r29 */
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#define SCORE_ELF_GOT_SIZE(abfd) \
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(get_elf_backend_data (abfd)->s->arch_size / 8)
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#define SCORE_ELF_ADD_DYNAMIC_ENTRY(info, tag, val) \
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(_bfd_elf_add_dynamic_entry (info, (bfd_vma) tag, (bfd_vma) val))
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/* The size of an external dynamic table entry. */
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#define SCORE_ELF_DYN_SIZE(abfd) \
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(get_elf_backend_data (abfd)->s->sizeof_dyn)
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/* The size of an external REL relocation. */
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#define SCORE_ELF_REL_SIZE(abfd) \
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(get_elf_backend_data (abfd)->s->sizeof_rel)
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/* The default alignment for sections, as a power of two. */
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#define SCORE_ELF_LOG_FILE_ALIGN(abfd)\
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(get_elf_backend_data (abfd)->s->log_file_align)
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static bfd_byte *hi16_rel_addr;
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/* This will be used when we sort the dynamic relocation records. */
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static bfd *reldyn_sorting_bfd;
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/* SCORE ELF uses two common sections. One is the usual one, and the
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other is for small objects. All the small objects are kept
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together, and then referenced via the gp pointer, which yields
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faster assembler code. This is what we use for the small common
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section. This approach is copied from ecoff.c. */
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static asection score_elf_scom_section;
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static asymbol score_elf_scom_symbol;
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static asymbol *score_elf_scom_symbol_ptr;
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jeremybenn |
static bfd_vma
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score_bfd_get_16 (bfd *abfd, const void *data)
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{
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return bfd_get_16 (abfd, data);
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}
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static bfd_vma
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score3_bfd_getl32 (const void *p)
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{
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const bfd_byte *addr = p;
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unsigned long v;
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v = (unsigned long) addr[2];
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v |= (unsigned long) addr[3] << 8;
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v |= (unsigned long) addr[0] << 16;
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v |= (unsigned long) addr[1] << 24;
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return v;
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}
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static bfd_vma
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score3_bfd_getl48 (const void *p)
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{
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const bfd_byte *addr = p;
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unsigned long long v;
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v = (unsigned long long) addr[4];
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v |= (unsigned long long) addr[5] << 8;
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v |= (unsigned long long) addr[2] << 16;
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v |= (unsigned long long) addr[3] << 24;
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v |= (unsigned long long) addr[0] << 32;
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v |= (unsigned long long) addr[1] << 40;
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return v;
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}
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static bfd_vma
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score_bfd_get_32 (bfd *abfd, const void *data)
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{
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if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
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return score3_bfd_getl32 (data);
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else
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return bfd_get_32 (abfd, data);
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}
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static bfd_vma
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score_bfd_get_48 (bfd *abfd, const void *p)
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{
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if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
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return score3_bfd_getl48 (p);
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else
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return bfd_get_bits (p, 48, 1);
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}
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static void
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score_bfd_put_16 (bfd *abfd, bfd_vma addr, void *data)
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{
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return bfd_put_16 (abfd, addr, data);
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}
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static void
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score3_bfd_putl32 (bfd_vma data, void *p)
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{
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bfd_byte *addr = p;
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addr[0] = (data >> 16) & 0xff;
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addr[1] = (data >> 24) & 0xff;
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addr[2] = data & 0xff;
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addr[3] = (data >> 8) & 0xff;
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}
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static void
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score3_bfd_putl48 (bfd_vma data, void *p)
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{
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bfd_byte *addr = p;
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addr[0] = (data >> 32) & 0xff;
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addr[1] = (data >> 40) & 0xff;
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addr[2] = (data >> 16) & 0xff;
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addr[3] = (data >> 24) & 0xff;
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addr[4] = data & 0xff;
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addr[5] = (data >> 8) & 0xff;
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}
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static void
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score_bfd_put_32 (bfd *abfd, bfd_vma addr, void *data)
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{
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if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
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return score3_bfd_putl32 (addr, data);
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else
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return bfd_put_32 (abfd, addr, data);
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}
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static void
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score_bfd_put_48 (bfd *abfd, bfd_vma val, void *p)
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{
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if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
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return score3_bfd_putl48 (val, p);
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else
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return bfd_put_bits (val, p, 48, 1);
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}
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316 |
24 |
jeremybenn |
static bfd_reloc_status_type
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score_elf_hi16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
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318 |
225 |
jeremybenn |
arelent *reloc_entry,
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asymbol *symbol ATTRIBUTE_UNUSED,
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void * data,
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asection *input_section ATTRIBUTE_UNUSED,
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bfd *output_bfd ATTRIBUTE_UNUSED,
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char **error_message ATTRIBUTE_UNUSED)
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324 |
24 |
jeremybenn |
{
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hi16_rel_addr = (bfd_byte *) data + reloc_entry->address;
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return bfd_reloc_ok;
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}
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static bfd_reloc_status_type
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score_elf_lo16_reloc (bfd *abfd,
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331 |
225 |
jeremybenn |
arelent *reloc_entry,
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332 |
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asymbol *symbol ATTRIBUTE_UNUSED,
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333 |
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void * data,
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asection *input_section,
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|
|
bfd *output_bfd ATTRIBUTE_UNUSED,
|
336 |
|
|
char **error_message ATTRIBUTE_UNUSED)
|
337 |
24 |
jeremybenn |
{
|
338 |
|
|
bfd_vma addend = 0, offset = 0;
|
339 |
|
|
unsigned long val;
|
340 |
|
|
unsigned long hi16_offset, hi16_value, uvalue;
|
341 |
|
|
|
342 |
225 |
jeremybenn |
hi16_value = score_bfd_get_32 (abfd, hi16_rel_addr);
|
343 |
24 |
jeremybenn |
hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
|
344 |
225 |
jeremybenn |
addend = score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
|
345 |
24 |
jeremybenn |
offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
|
346 |
|
|
val = reloc_entry->addend;
|
347 |
|
|
if (reloc_entry->address > input_section->size)
|
348 |
|
|
return bfd_reloc_outofrange;
|
349 |
|
|
uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
|
350 |
|
|
hi16_offset = (uvalue >> 16) << 1;
|
351 |
|
|
hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
|
352 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
|
353 |
24 |
jeremybenn |
offset = (uvalue & 0xffff) << 1;
|
354 |
|
|
addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
|
355 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
|
356 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
357 |
|
|
}
|
358 |
|
|
|
359 |
|
|
/* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
|
360 |
|
|
dangerous relocation. */
|
361 |
|
|
|
362 |
|
|
static bfd_boolean
|
363 |
|
|
score_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
|
364 |
|
|
{
|
365 |
|
|
unsigned int count;
|
366 |
|
|
asymbol **sym;
|
367 |
|
|
unsigned int i;
|
368 |
|
|
|
369 |
|
|
/* If we've already figured out what GP will be, just return it. */
|
370 |
|
|
*pgp = _bfd_get_gp_value (output_bfd);
|
371 |
|
|
if (*pgp)
|
372 |
|
|
return TRUE;
|
373 |
|
|
|
374 |
|
|
count = bfd_get_symcount (output_bfd);
|
375 |
|
|
sym = bfd_get_outsymbols (output_bfd);
|
376 |
|
|
|
377 |
|
|
/* The linker script will have created a symbol named `_gp' with the
|
378 |
|
|
appropriate value. */
|
379 |
|
|
if (sym == NULL)
|
380 |
|
|
i = count;
|
381 |
|
|
else
|
382 |
|
|
{
|
383 |
|
|
for (i = 0; i < count; i++, sym++)
|
384 |
225 |
jeremybenn |
{
|
385 |
|
|
const char *name;
|
386 |
24 |
jeremybenn |
|
387 |
225 |
jeremybenn |
name = bfd_asymbol_name (*sym);
|
388 |
|
|
if (*name == '_' && strcmp (name, "_gp") == 0)
|
389 |
|
|
{
|
390 |
|
|
*pgp = bfd_asymbol_value (*sym);
|
391 |
|
|
_bfd_set_gp_value (output_bfd, *pgp);
|
392 |
|
|
break;
|
393 |
|
|
}
|
394 |
|
|
}
|
395 |
24 |
jeremybenn |
}
|
396 |
|
|
|
397 |
|
|
if (i >= count)
|
398 |
|
|
{
|
399 |
|
|
/* Only get the error once. */
|
400 |
|
|
*pgp = 4;
|
401 |
|
|
_bfd_set_gp_value (output_bfd, *pgp);
|
402 |
|
|
return FALSE;
|
403 |
|
|
}
|
404 |
|
|
|
405 |
|
|
return TRUE;
|
406 |
|
|
}
|
407 |
|
|
|
408 |
|
|
/* We have to figure out the gp value, so that we can adjust the
|
409 |
|
|
symbol value correctly. We look up the symbol _gp in the output
|
410 |
|
|
BFD. If we can't find it, we're stuck. We cache it in the ELF
|
411 |
|
|
target data. We don't need to adjust the symbol value for an
|
412 |
|
|
external symbol if we are producing relocatable output. */
|
413 |
|
|
static bfd_reloc_status_type
|
414 |
|
|
score_elf_final_gp (bfd *output_bfd,
|
415 |
225 |
jeremybenn |
asymbol *symbol,
|
416 |
|
|
bfd_boolean relocatable,
|
417 |
|
|
char **error_message,
|
418 |
|
|
bfd_vma *pgp)
|
419 |
24 |
jeremybenn |
{
|
420 |
|
|
if (bfd_is_und_section (symbol->section)
|
421 |
|
|
&& ! relocatable)
|
422 |
|
|
{
|
423 |
|
|
*pgp = 0;
|
424 |
|
|
return bfd_reloc_undefined;
|
425 |
|
|
}
|
426 |
|
|
|
427 |
|
|
*pgp = _bfd_get_gp_value (output_bfd);
|
428 |
|
|
if (*pgp == 0
|
429 |
|
|
&& (! relocatable
|
430 |
225 |
jeremybenn |
|| (symbol->flags & BSF_SECTION_SYM) != 0))
|
431 |
24 |
jeremybenn |
{
|
432 |
|
|
if (relocatable)
|
433 |
225 |
jeremybenn |
{
|
434 |
|
|
/* Make up a value. */
|
435 |
|
|
*pgp = symbol->section->output_section->vma + 0x4000;
|
436 |
|
|
_bfd_set_gp_value (output_bfd, *pgp);
|
437 |
|
|
}
|
438 |
24 |
jeremybenn |
else if (!score_elf_assign_gp (output_bfd, pgp))
|
439 |
225 |
jeremybenn |
{
|
440 |
|
|
*error_message =
|
441 |
|
|
(char *) _("GP relative relocation when _gp not defined");
|
442 |
|
|
return bfd_reloc_dangerous;
|
443 |
|
|
}
|
444 |
24 |
jeremybenn |
}
|
445 |
|
|
|
446 |
|
|
return bfd_reloc_ok;
|
447 |
|
|
}
|
448 |
|
|
|
449 |
|
|
static bfd_reloc_status_type
|
450 |
|
|
score_elf_gprel15_with_gp (bfd *abfd,
|
451 |
225 |
jeremybenn |
asymbol *symbol,
|
452 |
|
|
arelent *reloc_entry,
|
453 |
|
|
asection *input_section,
|
454 |
|
|
bfd_boolean relocateable,
|
455 |
|
|
void * data,
|
456 |
|
|
bfd_vma gp ATTRIBUTE_UNUSED)
|
457 |
24 |
jeremybenn |
{
|
458 |
|
|
bfd_vma relocation;
|
459 |
|
|
unsigned long insn;
|
460 |
|
|
|
461 |
|
|
if (bfd_is_com_section (symbol->section))
|
462 |
|
|
relocation = 0;
|
463 |
|
|
else
|
464 |
|
|
relocation = symbol->value;
|
465 |
|
|
|
466 |
|
|
relocation += symbol->section->output_section->vma;
|
467 |
|
|
relocation += symbol->section->output_offset;
|
468 |
|
|
if (reloc_entry->address > input_section->size)
|
469 |
|
|
return bfd_reloc_outofrange;
|
470 |
|
|
|
471 |
225 |
jeremybenn |
insn = score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
|
472 |
24 |
jeremybenn |
if (((reloc_entry->addend & 0xffffc000) != 0)
|
473 |
|
|
&& ((reloc_entry->addend & 0xffffc000) != 0xffffc000))
|
474 |
|
|
return bfd_reloc_overflow;
|
475 |
|
|
|
476 |
|
|
insn = (insn & ~0x7fff) | (reloc_entry->addend & 0x7fff);
|
477 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
|
478 |
24 |
jeremybenn |
if (relocateable)
|
479 |
|
|
reloc_entry->address += input_section->output_offset;
|
480 |
|
|
|
481 |
|
|
return bfd_reloc_ok;
|
482 |
|
|
}
|
483 |
|
|
|
484 |
|
|
static bfd_reloc_status_type
|
485 |
|
|
gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
|
486 |
225 |
jeremybenn |
asection *input_section, bfd_boolean relocatable,
|
487 |
|
|
void *data, bfd_vma gp)
|
488 |
24 |
jeremybenn |
{
|
489 |
|
|
bfd_vma relocation;
|
490 |
|
|
bfd_vma val;
|
491 |
|
|
|
492 |
|
|
if (bfd_is_com_section (symbol->section))
|
493 |
|
|
relocation = 0;
|
494 |
|
|
else
|
495 |
|
|
relocation = symbol->value;
|
496 |
|
|
|
497 |
|
|
relocation += symbol->section->output_section->vma;
|
498 |
|
|
relocation += symbol->section->output_offset;
|
499 |
|
|
|
500 |
|
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
501 |
|
|
return bfd_reloc_outofrange;
|
502 |
|
|
|
503 |
|
|
/* Set val to the offset into the section or symbol. */
|
504 |
|
|
val = reloc_entry->addend;
|
505 |
|
|
|
506 |
|
|
if (reloc_entry->howto->partial_inplace)
|
507 |
225 |
jeremybenn |
val += score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
|
508 |
24 |
jeremybenn |
|
509 |
|
|
/* Adjust val for the final section location and GP value. If we
|
510 |
|
|
are producing relocatable output, we don't want to do this for
|
511 |
|
|
an external symbol. */
|
512 |
|
|
if (! relocatable
|
513 |
|
|
|| (symbol->flags & BSF_SECTION_SYM) != 0)
|
514 |
|
|
val += relocation - gp;
|
515 |
|
|
|
516 |
|
|
if (reloc_entry->howto->partial_inplace)
|
517 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
|
518 |
24 |
jeremybenn |
else
|
519 |
|
|
reloc_entry->addend = val;
|
520 |
|
|
|
521 |
|
|
if (relocatable)
|
522 |
|
|
reloc_entry->address += input_section->output_offset;
|
523 |
|
|
|
524 |
|
|
return bfd_reloc_ok;
|
525 |
|
|
}
|
526 |
|
|
|
527 |
|
|
static bfd_reloc_status_type
|
528 |
|
|
score_elf_gprel15_reloc (bfd *abfd,
|
529 |
225 |
jeremybenn |
arelent *reloc_entry,
|
530 |
|
|
asymbol *symbol,
|
531 |
|
|
void * data,
|
532 |
|
|
asection *input_section,
|
533 |
|
|
bfd *output_bfd,
|
534 |
|
|
char **error_message)
|
535 |
24 |
jeremybenn |
{
|
536 |
|
|
bfd_boolean relocateable;
|
537 |
|
|
bfd_reloc_status_type ret;
|
538 |
|
|
bfd_vma gp;
|
539 |
|
|
|
540 |
225 |
jeremybenn |
if (output_bfd != NULL
|
541 |
24 |
jeremybenn |
&& (symbol->flags & BSF_SECTION_SYM) == 0 && reloc_entry->addend == 0)
|
542 |
|
|
{
|
543 |
|
|
reloc_entry->address += input_section->output_offset;
|
544 |
|
|
return bfd_reloc_ok;
|
545 |
|
|
}
|
546 |
225 |
jeremybenn |
if (output_bfd != NULL)
|
547 |
24 |
jeremybenn |
relocateable = TRUE;
|
548 |
|
|
else
|
549 |
|
|
{
|
550 |
|
|
relocateable = FALSE;
|
551 |
|
|
output_bfd = symbol->section->output_section->owner;
|
552 |
|
|
}
|
553 |
|
|
|
554 |
|
|
ret = score_elf_final_gp (output_bfd, symbol, relocateable, error_message, &gp);
|
555 |
|
|
if (ret != bfd_reloc_ok)
|
556 |
|
|
return ret;
|
557 |
|
|
|
558 |
|
|
return score_elf_gprel15_with_gp (abfd, symbol, reloc_entry,
|
559 |
|
|
input_section, relocateable, data, gp);
|
560 |
|
|
}
|
561 |
|
|
|
562 |
|
|
/* Do a R_SCORE_GPREL32 relocation. This is a 32 bit value which must
|
563 |
|
|
become the offset from the gp register. */
|
564 |
|
|
|
565 |
|
|
static bfd_reloc_status_type
|
566 |
|
|
score_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
567 |
225 |
jeremybenn |
void *data, asection *input_section, bfd *output_bfd,
|
568 |
|
|
char **error_message)
|
569 |
24 |
jeremybenn |
{
|
570 |
|
|
bfd_boolean relocatable;
|
571 |
|
|
bfd_reloc_status_type ret;
|
572 |
|
|
bfd_vma gp;
|
573 |
|
|
|
574 |
|
|
/* R_SCORE_GPREL32 relocations are defined for local symbols only. */
|
575 |
|
|
if (output_bfd != NULL
|
576 |
|
|
&& (symbol->flags & BSF_SECTION_SYM) == 0
|
577 |
|
|
&& (symbol->flags & BSF_LOCAL) != 0)
|
578 |
|
|
{
|
579 |
|
|
*error_message = (char *)
|
580 |
225 |
jeremybenn |
_("32bits gp relative relocation occurs for an external symbol");
|
581 |
24 |
jeremybenn |
return bfd_reloc_outofrange;
|
582 |
|
|
}
|
583 |
|
|
|
584 |
|
|
if (output_bfd != NULL)
|
585 |
|
|
relocatable = TRUE;
|
586 |
|
|
else
|
587 |
|
|
{
|
588 |
|
|
relocatable = FALSE;
|
589 |
|
|
output_bfd = symbol->section->output_section->owner;
|
590 |
|
|
}
|
591 |
|
|
|
592 |
|
|
ret = score_elf_final_gp (output_bfd, symbol, relocatable, error_message, &gp);
|
593 |
|
|
if (ret != bfd_reloc_ok)
|
594 |
|
|
return ret;
|
595 |
|
|
|
596 |
225 |
jeremybenn |
gp = 0;
|
597 |
24 |
jeremybenn |
return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
|
598 |
225 |
jeremybenn |
relocatable, data, gp);
|
599 |
24 |
jeremybenn |
}
|
600 |
|
|
|
601 |
|
|
/* A howto special_function for R_SCORE_GOT15 relocations. This is just
|
602 |
|
|
like any other 16-bit relocation when applied to global symbols, but is
|
603 |
|
|
treated in the same as R_SCORE_HI16 when applied to local symbols. */
|
604 |
|
|
static bfd_reloc_status_type
|
605 |
|
|
score_elf_got15_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
|
606 |
225 |
jeremybenn |
void *data, asection *input_section,
|
607 |
|
|
bfd *output_bfd, char **error_message)
|
608 |
24 |
jeremybenn |
{
|
609 |
|
|
if ((symbol->flags & (BSF_GLOBAL | BSF_WEAK)) != 0
|
610 |
|
|
|| bfd_is_und_section (bfd_get_section (symbol))
|
611 |
|
|
|| bfd_is_com_section (bfd_get_section (symbol)))
|
612 |
|
|
/* The relocation is against a global symbol. */
|
613 |
|
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
614 |
225 |
jeremybenn |
input_section, output_bfd,
|
615 |
|
|
error_message);
|
616 |
24 |
jeremybenn |
|
617 |
|
|
return score_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
|
618 |
225 |
jeremybenn |
input_section, output_bfd, error_message);
|
619 |
24 |
jeremybenn |
}
|
620 |
|
|
|
621 |
|
|
static bfd_reloc_status_type
|
622 |
|
|
score_elf_got_lo16_reloc (bfd *abfd,
|
623 |
225 |
jeremybenn |
arelent *reloc_entry,
|
624 |
|
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
625 |
|
|
void * data,
|
626 |
|
|
asection *input_section,
|
627 |
|
|
bfd *output_bfd ATTRIBUTE_UNUSED,
|
628 |
|
|
char **error_message ATTRIBUTE_UNUSED)
|
629 |
24 |
jeremybenn |
{
|
630 |
|
|
bfd_vma addend = 0, offset = 0;
|
631 |
|
|
signed long val;
|
632 |
|
|
signed long hi16_offset, hi16_value, uvalue;
|
633 |
|
|
|
634 |
225 |
jeremybenn |
hi16_value = score_bfd_get_32 (abfd, hi16_rel_addr);
|
635 |
24 |
jeremybenn |
hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
|
636 |
225 |
jeremybenn |
addend = score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
|
637 |
24 |
jeremybenn |
offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
|
638 |
|
|
val = reloc_entry->addend;
|
639 |
|
|
if (reloc_entry->address > input_section->size)
|
640 |
|
|
return bfd_reloc_outofrange;
|
641 |
|
|
uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
|
642 |
|
|
if ((uvalue > -0x8000) && (uvalue < 0x7fff))
|
643 |
|
|
hi16_offset = 0;
|
644 |
|
|
else
|
645 |
|
|
hi16_offset = (uvalue >> 16) & 0x7fff;
|
646 |
|
|
hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
|
647 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
|
648 |
24 |
jeremybenn |
offset = (uvalue & 0xffff) << 1;
|
649 |
|
|
addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
|
650 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
|
651 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
652 |
|
|
}
|
653 |
|
|
|
654 |
|
|
static reloc_howto_type elf32_score_howto_table[] =
|
655 |
|
|
{
|
656 |
|
|
/* No relocation. */
|
657 |
|
|
HOWTO (R_SCORE_NONE, /* type */
|
658 |
|
|
0, /* rightshift */
|
659 |
|
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
660 |
|
|
0, /* bitsize */
|
661 |
|
|
FALSE, /* pc_relative */
|
662 |
|
|
0, /* bitpos */
|
663 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
664 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
665 |
|
|
"R_SCORE_NONE", /* name */
|
666 |
|
|
FALSE, /* partial_inplace */
|
667 |
|
|
0, /* src_mask */
|
668 |
|
|
0, /* dst_mask */
|
669 |
|
|
FALSE), /* pcrel_offset */
|
670 |
|
|
|
671 |
|
|
/* R_SCORE_HI16 */
|
672 |
|
|
HOWTO (R_SCORE_HI16, /* type */
|
673 |
|
|
0, /* rightshift */
|
674 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
675 |
|
|
16, /* bitsize */
|
676 |
|
|
FALSE, /* pc_relative */
|
677 |
|
|
1, /* bitpos */
|
678 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
679 |
225 |
jeremybenn |
score_elf_hi16_reloc, /* special_function */
|
680 |
24 |
jeremybenn |
"R_SCORE_HI16", /* name */
|
681 |
|
|
TRUE, /* partial_inplace */
|
682 |
|
|
0x37fff, /* src_mask */
|
683 |
|
|
0x37fff, /* dst_mask */
|
684 |
|
|
FALSE), /* pcrel_offset */
|
685 |
|
|
|
686 |
|
|
/* R_SCORE_LO16 */
|
687 |
|
|
HOWTO (R_SCORE_LO16, /* type */
|
688 |
|
|
0, /* rightshift */
|
689 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
690 |
|
|
16, /* bitsize */
|
691 |
|
|
FALSE, /* pc_relative */
|
692 |
|
|
1, /* bitpos */
|
693 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
694 |
|
|
score_elf_lo16_reloc, /* special_function */
|
695 |
|
|
"R_SCORE_LO16", /* name */
|
696 |
|
|
TRUE, /* partial_inplace */
|
697 |
|
|
0x37fff, /* src_mask */
|
698 |
|
|
0x37fff, /* dst_mask */
|
699 |
|
|
FALSE), /* pcrel_offset */
|
700 |
|
|
|
701 |
225 |
jeremybenn |
/* R_SCORE_BCMP */
|
702 |
|
|
HOWTO (R_SCORE_BCMP, /* type */
|
703 |
|
|
1, /* rightshift */
|
704 |
24 |
jeremybenn |
2, /* size (0 = byte, 1 = short, 2 = long) */
|
705 |
|
|
16, /* bitsize */
|
706 |
225 |
jeremybenn |
TRUE, /* pc_relative */
|
707 |
24 |
jeremybenn |
1, /* bitpos */
|
708 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
709 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
710 |
225 |
jeremybenn |
"R_SCORE_BCMP", /* name */
|
711 |
|
|
FALSE, /* partial_inplace */
|
712 |
|
|
0x03e00381, /* src_mask */
|
713 |
|
|
0x03e00381, /* dst_mask */
|
714 |
24 |
jeremybenn |
FALSE), /* pcrel_offset */
|
715 |
|
|
|
716 |
|
|
/*R_SCORE_24 */
|
717 |
|
|
HOWTO (R_SCORE_24, /* type */
|
718 |
|
|
1, /* rightshift */
|
719 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
720 |
|
|
24, /* bitsize */
|
721 |
|
|
FALSE, /* pc_relative */
|
722 |
|
|
1, /* bitpos */
|
723 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
724 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
725 |
|
|
"R_SCORE_24", /* name */
|
726 |
|
|
FALSE, /* partial_inplace */
|
727 |
|
|
0x3ff7fff, /* src_mask */
|
728 |
|
|
0x3ff7fff, /* dst_mask */
|
729 |
|
|
FALSE), /* pcrel_offset */
|
730 |
|
|
|
731 |
|
|
/*R_SCORE_PC19 */
|
732 |
|
|
HOWTO (R_SCORE_PC19, /* type */
|
733 |
|
|
1, /* rightshift */
|
734 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
735 |
|
|
19, /* bitsize */
|
736 |
|
|
TRUE, /* pc_relative */
|
737 |
|
|
1, /* bitpos */
|
738 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
739 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
740 |
|
|
"R_SCORE_PC19", /* name */
|
741 |
|
|
FALSE, /* partial_inplace */
|
742 |
|
|
0x3ff03fe, /* src_mask */
|
743 |
|
|
0x3ff03fe, /* dst_mask */
|
744 |
|
|
FALSE), /* pcrel_offset */
|
745 |
|
|
|
746 |
|
|
/*R_SCORE16_11 */
|
747 |
|
|
HOWTO (R_SCORE16_11, /* type */
|
748 |
|
|
1, /* rightshift */
|
749 |
|
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
750 |
|
|
11, /* bitsize */
|
751 |
|
|
FALSE, /* pc_relative */
|
752 |
|
|
1, /* bitpos */
|
753 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
754 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
755 |
|
|
"R_SCORE16_11", /* name */
|
756 |
|
|
FALSE, /* partial_inplace */
|
757 |
|
|
0x000000ffe, /* src_mask */
|
758 |
|
|
0x000000ffe, /* dst_mask */
|
759 |
|
|
FALSE), /* pcrel_offset */
|
760 |
|
|
|
761 |
|
|
/* R_SCORE16_PC8 */
|
762 |
|
|
HOWTO (R_SCORE16_PC8, /* type */
|
763 |
|
|
1, /* rightshift */
|
764 |
|
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
765 |
225 |
jeremybenn |
9, /* bitsize */
|
766 |
24 |
jeremybenn |
TRUE, /* pc_relative */
|
767 |
|
|
0, /* bitpos */
|
768 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
769 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
770 |
|
|
"R_SCORE16_PC8", /* name */
|
771 |
|
|
FALSE, /* partial_inplace */
|
772 |
225 |
jeremybenn |
0x000001ff, /* src_mask */
|
773 |
|
|
0x000001ff, /* dst_mask */
|
774 |
24 |
jeremybenn |
FALSE), /* pcrel_offset */
|
775 |
|
|
|
776 |
|
|
/* 32 bit absolute */
|
777 |
|
|
HOWTO (R_SCORE_ABS32, /* type 8 */
|
778 |
|
|
0, /* rightshift */
|
779 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
780 |
|
|
32, /* bitsize */
|
781 |
|
|
FALSE, /* pc_relative */
|
782 |
|
|
0, /* bitpos */
|
783 |
|
|
complain_overflow_bitfield, /* complain_on_overflow */
|
784 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
785 |
|
|
"R_SCORE_ABS32", /* name */
|
786 |
|
|
FALSE, /* partial_inplace */
|
787 |
|
|
0xffffffff, /* src_mask */
|
788 |
|
|
0xffffffff, /* dst_mask */
|
789 |
|
|
FALSE), /* pcrel_offset */
|
790 |
|
|
|
791 |
|
|
/* 16 bit absolute */
|
792 |
|
|
HOWTO (R_SCORE_ABS16, /* type 11 */
|
793 |
|
|
0, /* rightshift */
|
794 |
|
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
795 |
|
|
16, /* bitsize */
|
796 |
|
|
FALSE, /* pc_relative */
|
797 |
|
|
0, /* bitpos */
|
798 |
|
|
complain_overflow_bitfield, /* complain_on_overflow */
|
799 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
800 |
|
|
"R_SCORE_ABS16", /* name */
|
801 |
|
|
FALSE, /* partial_inplace */
|
802 |
|
|
0x0000ffff, /* src_mask */
|
803 |
|
|
0x0000ffff, /* dst_mask */
|
804 |
|
|
FALSE), /* pcrel_offset */
|
805 |
|
|
|
806 |
|
|
/* R_SCORE_DUMMY2 */
|
807 |
|
|
HOWTO (R_SCORE_DUMMY2, /* type */
|
808 |
|
|
0, /* rightshift */
|
809 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
810 |
|
|
16, /* bitsize */
|
811 |
|
|
FALSE, /* pc_relative */
|
812 |
|
|
0, /* bitpos */
|
813 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
814 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
815 |
|
|
"R_SCORE_DUMMY2", /* name */
|
816 |
|
|
TRUE, /* partial_inplace */
|
817 |
|
|
0x00007fff, /* src_mask */
|
818 |
|
|
0x00007fff, /* dst_mask */
|
819 |
|
|
FALSE), /* pcrel_offset */
|
820 |
|
|
|
821 |
|
|
/* R_SCORE_GP15 */
|
822 |
|
|
HOWTO (R_SCORE_GP15, /* type */
|
823 |
|
|
0, /* rightshift */
|
824 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
825 |
|
|
16, /* bitsize */
|
826 |
|
|
FALSE, /* pc_relative */
|
827 |
|
|
0, /* bitpos */
|
828 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
829 |
|
|
score_elf_gprel15_reloc,/* special_function */
|
830 |
|
|
"R_SCORE_GP15", /* name */
|
831 |
|
|
TRUE, /* partial_inplace */
|
832 |
|
|
0x00007fff, /* src_mask */
|
833 |
|
|
0x00007fff, /* dst_mask */
|
834 |
|
|
FALSE), /* pcrel_offset */
|
835 |
|
|
|
836 |
|
|
/* GNU extension to record C++ vtable hierarchy. */
|
837 |
|
|
HOWTO (R_SCORE_GNU_VTINHERIT, /* type */
|
838 |
|
|
0, /* rightshift */
|
839 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
840 |
|
|
0, /* bitsize */
|
841 |
|
|
FALSE, /* pc_relative */
|
842 |
|
|
0, /* bitpos */
|
843 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
844 |
|
|
NULL, /* special_function */
|
845 |
|
|
"R_SCORE_GNU_VTINHERIT", /* name */
|
846 |
|
|
FALSE, /* partial_inplace */
|
847 |
|
|
0, /* src_mask */
|
848 |
|
|
0, /* dst_mask */
|
849 |
|
|
FALSE), /* pcrel_offset */
|
850 |
|
|
|
851 |
|
|
/* GNU extension to record C++ vtable member usage */
|
852 |
|
|
HOWTO (R_SCORE_GNU_VTENTRY, /* type */
|
853 |
|
|
0, /* rightshift */
|
854 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
855 |
|
|
0, /* bitsize */
|
856 |
|
|
FALSE, /* pc_relative */
|
857 |
|
|
0, /* bitpos */
|
858 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
859 |
|
|
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
|
860 |
|
|
"R_SCORE_GNU_VTENTRY", /* name */
|
861 |
|
|
FALSE, /* partial_inplace */
|
862 |
|
|
0, /* src_mask */
|
863 |
|
|
0, /* dst_mask */
|
864 |
|
|
FALSE), /* pcrel_offset */
|
865 |
|
|
|
866 |
|
|
/* Reference to global offset table. */
|
867 |
|
|
HOWTO (R_SCORE_GOT15, /* type */
|
868 |
|
|
0, /* rightshift */
|
869 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
870 |
|
|
16, /* bitsize */
|
871 |
|
|
FALSE, /* pc_relative */
|
872 |
|
|
0, /* bitpos */
|
873 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
874 |
|
|
score_elf_got15_reloc, /* special_function */
|
875 |
|
|
"R_SCORE_GOT15", /* name */
|
876 |
|
|
TRUE, /* partial_inplace */
|
877 |
|
|
0x00007fff, /* src_mask */
|
878 |
|
|
0x00007fff, /* dst_mask */
|
879 |
|
|
FALSE), /* pcrel_offset */
|
880 |
|
|
|
881 |
|
|
/* Low 16 bits of displacement in global offset table. */
|
882 |
|
|
HOWTO (R_SCORE_GOT_LO16, /* type */
|
883 |
|
|
0, /* rightshift */
|
884 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
885 |
|
|
16, /* bitsize */
|
886 |
|
|
FALSE, /* pc_relative */
|
887 |
|
|
1, /* bitpos */
|
888 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
889 |
|
|
score_elf_got_lo16_reloc, /* special_function */
|
890 |
|
|
"R_SCORE_GOT_LO16", /* name */
|
891 |
|
|
TRUE, /* partial_inplace */
|
892 |
|
|
0x37ffe, /* src_mask */
|
893 |
|
|
0x37ffe, /* dst_mask */
|
894 |
|
|
FALSE), /* pcrel_offset */
|
895 |
|
|
|
896 |
|
|
/* 15 bit call through global offset table. */
|
897 |
|
|
HOWTO (R_SCORE_CALL15, /* type */
|
898 |
|
|
0, /* rightshift */
|
899 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
900 |
|
|
16, /* bitsize */
|
901 |
|
|
FALSE, /* pc_relative */
|
902 |
|
|
0, /* bitpos */
|
903 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
904 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
905 |
|
|
"R_SCORE_CALL15", /* name */
|
906 |
|
|
TRUE, /* partial_inplace */
|
907 |
|
|
0x0000ffff, /* src_mask */
|
908 |
|
|
0x0000ffff, /* dst_mask */
|
909 |
|
|
FALSE), /* pcrel_offset */
|
910 |
|
|
|
911 |
|
|
/* 32 bit GP relative reference. */
|
912 |
|
|
HOWTO (R_SCORE_GPREL32, /* type */
|
913 |
|
|
0, /* rightshift */
|
914 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
915 |
|
|
32, /* bitsize */
|
916 |
|
|
FALSE, /* pc_relative */
|
917 |
|
|
0, /* bitpos */
|
918 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
919 |
|
|
score_elf_gprel32_reloc, /* special_function */
|
920 |
|
|
"R_SCORE_GPREL32", /* name */
|
921 |
|
|
TRUE, /* partial_inplace */
|
922 |
|
|
0xffffffff, /* src_mask */
|
923 |
|
|
0xffffffff, /* dst_mask */
|
924 |
|
|
FALSE), /* pcrel_offset */
|
925 |
|
|
|
926 |
|
|
/* 32 bit symbol relative relocation. */
|
927 |
|
|
HOWTO (R_SCORE_REL32, /* type */
|
928 |
225 |
jeremybenn |
0, /* rightshift */
|
929 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
930 |
|
|
32, /* bitsize */
|
931 |
|
|
FALSE, /* pc_relative */
|
932 |
|
|
0, /* bitpos */
|
933 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
934 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
935 |
|
|
"R_SCORE_REL32", /* name */
|
936 |
|
|
TRUE, /* partial_inplace */
|
937 |
|
|
0xffffffff, /* src_mask */
|
938 |
|
|
0xffffffff, /* dst_mask */
|
939 |
|
|
FALSE), /* pcrel_offset */
|
940 |
24 |
jeremybenn |
|
941 |
|
|
/* R_SCORE_DUMMY_HI16 */
|
942 |
|
|
HOWTO (R_SCORE_DUMMY_HI16, /* type */
|
943 |
|
|
0, /* rightshift */
|
944 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
945 |
|
|
16, /* bitsize */
|
946 |
|
|
FALSE, /* pc_relative */
|
947 |
|
|
1, /* bitpos */
|
948 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
949 |
225 |
jeremybenn |
score_elf_hi16_reloc, /* special_function */
|
950 |
24 |
jeremybenn |
"R_SCORE_DUMMY_HI16", /* name */
|
951 |
|
|
TRUE, /* partial_inplace */
|
952 |
|
|
0x37fff, /* src_mask */
|
953 |
|
|
0x37fff, /* dst_mask */
|
954 |
|
|
FALSE), /* pcrel_offset */
|
955 |
225 |
jeremybenn |
|
956 |
|
|
/* R_SCORE_IMM30 */
|
957 |
|
|
HOWTO (R_SCORE_IMM30, /* type */
|
958 |
|
|
2, /* rightshift */
|
959 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
960 |
|
|
30, /* bitsize */
|
961 |
|
|
FALSE, /* pc_relative */
|
962 |
|
|
7, /* bitpos */
|
963 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
964 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
965 |
|
|
"R_SCORE_IMM30", /* name */
|
966 |
|
|
FALSE, /* partial_inplace */
|
967 |
|
|
0x7f7fff7f80LL, /* src_mask */
|
968 |
|
|
0x7f7fff7f80LL, /* dst_mask */
|
969 |
|
|
FALSE), /* pcrel_offset */
|
970 |
|
|
|
971 |
|
|
/* R_SCORE_IMM32 */
|
972 |
|
|
HOWTO (R_SCORE_IMM32, /* type */
|
973 |
|
|
0, /* rightshift */
|
974 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
975 |
|
|
32, /* bitsize */
|
976 |
|
|
FALSE, /* pc_relative */
|
977 |
|
|
5, /* bitpos */
|
978 |
|
|
complain_overflow_dont,/* complain_on_overflow */
|
979 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
980 |
|
|
"R_SCORE_IMM32", /* name */
|
981 |
|
|
FALSE, /* partial_inplace */
|
982 |
|
|
0x7f7fff7fe0LL, /* src_mask */
|
983 |
|
|
0x7f7fff7fe0LL, /* dst_mask */
|
984 |
|
|
FALSE), /* pcrel_offset */
|
985 |
24 |
jeremybenn |
};
|
986 |
|
|
|
987 |
|
|
struct score_reloc_map
|
988 |
|
|
{
|
989 |
|
|
bfd_reloc_code_real_type bfd_reloc_val;
|
990 |
|
|
unsigned char elf_reloc_val;
|
991 |
|
|
};
|
992 |
|
|
|
993 |
|
|
static const struct score_reloc_map elf32_score_reloc_map[] =
|
994 |
|
|
{
|
995 |
|
|
{BFD_RELOC_NONE, R_SCORE_NONE},
|
996 |
|
|
{BFD_RELOC_HI16_S, R_SCORE_HI16},
|
997 |
|
|
{BFD_RELOC_LO16, R_SCORE_LO16},
|
998 |
225 |
jeremybenn |
{BFD_RELOC_SCORE_BCMP, R_SCORE_BCMP},
|
999 |
24 |
jeremybenn |
{BFD_RELOC_SCORE_JMP, R_SCORE_24},
|
1000 |
|
|
{BFD_RELOC_SCORE_BRANCH, R_SCORE_PC19},
|
1001 |
|
|
{BFD_RELOC_SCORE16_JMP, R_SCORE16_11},
|
1002 |
|
|
{BFD_RELOC_SCORE16_BRANCH, R_SCORE16_PC8},
|
1003 |
|
|
{BFD_RELOC_32, R_SCORE_ABS32},
|
1004 |
|
|
{BFD_RELOC_16, R_SCORE_ABS16},
|
1005 |
|
|
{BFD_RELOC_SCORE_DUMMY2, R_SCORE_DUMMY2},
|
1006 |
|
|
{BFD_RELOC_SCORE_GPREL15, R_SCORE_GP15},
|
1007 |
|
|
{BFD_RELOC_VTABLE_INHERIT, R_SCORE_GNU_VTINHERIT},
|
1008 |
|
|
{BFD_RELOC_VTABLE_ENTRY, R_SCORE_GNU_VTENTRY},
|
1009 |
|
|
{BFD_RELOC_SCORE_GOT15, R_SCORE_GOT15},
|
1010 |
|
|
{BFD_RELOC_SCORE_GOT_LO16, R_SCORE_GOT_LO16},
|
1011 |
|
|
{BFD_RELOC_SCORE_CALL15, R_SCORE_CALL15},
|
1012 |
|
|
{BFD_RELOC_GPREL32, R_SCORE_GPREL32},
|
1013 |
|
|
{BFD_RELOC_32_PCREL, R_SCORE_REL32},
|
1014 |
|
|
{BFD_RELOC_SCORE_DUMMY_HI16, R_SCORE_DUMMY_HI16},
|
1015 |
225 |
jeremybenn |
{BFD_RELOC_SCORE_IMM30, R_SCORE_IMM30},
|
1016 |
|
|
{BFD_RELOC_SCORE_IMM32, R_SCORE_IMM32},
|
1017 |
24 |
jeremybenn |
};
|
1018 |
|
|
|
1019 |
|
|
/* got_entries only match if they're identical, except for gotidx, so
|
1020 |
|
|
use all fields to compute the hash, and compare the appropriate
|
1021 |
|
|
union members. */
|
1022 |
|
|
static hashval_t
|
1023 |
|
|
score_elf_got_entry_hash (const void *entry_)
|
1024 |
|
|
{
|
1025 |
|
|
const struct score_got_entry *entry = (struct score_got_entry *)entry_;
|
1026 |
|
|
|
1027 |
|
|
return entry->symndx
|
1028 |
|
|
+ (!entry->abfd ? entry->d.address : entry->abfd->id);
|
1029 |
|
|
}
|
1030 |
|
|
|
1031 |
|
|
static int
|
1032 |
|
|
score_elf_got_entry_eq (const void *entry1, const void *entry2)
|
1033 |
|
|
{
|
1034 |
|
|
const struct score_got_entry *e1 = (struct score_got_entry *)entry1;
|
1035 |
|
|
const struct score_got_entry *e2 = (struct score_got_entry *)entry2;
|
1036 |
|
|
|
1037 |
|
|
return e1->abfd == e2->abfd && e1->symndx == e2->symndx
|
1038 |
|
|
&& (! e1->abfd ? e1->d.address == e2->d.address
|
1039 |
225 |
jeremybenn |
: e1->symndx >= 0 ? e1->d.addend == e2->d.addend
|
1040 |
|
|
: e1->d.h == e2->d.h);
|
1041 |
24 |
jeremybenn |
}
|
1042 |
|
|
|
1043 |
|
|
/* If H needs a GOT entry, assign it the highest available dynamic
|
1044 |
|
|
index. Otherwise, assign it the lowest available dynamic
|
1045 |
|
|
index. */
|
1046 |
|
|
static bfd_boolean
|
1047 |
|
|
score_elf_sort_hash_table_f (struct score_elf_link_hash_entry *h, void *data)
|
1048 |
|
|
{
|
1049 |
|
|
struct score_elf_hash_sort_data *hsd = data;
|
1050 |
|
|
|
1051 |
|
|
if (h->root.root.type == bfd_link_hash_warning)
|
1052 |
|
|
h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
|
1053 |
|
|
|
1054 |
|
|
/* Symbols without dynamic symbol table entries aren't interesting at all. */
|
1055 |
|
|
if (h->root.dynindx == -1)
|
1056 |
|
|
return TRUE;
|
1057 |
|
|
|
1058 |
|
|
/* Global symbols that need GOT entries that are not explicitly
|
1059 |
|
|
referenced are marked with got offset 2. Those that are
|
1060 |
|
|
referenced get a 1, and those that don't need GOT entries get
|
1061 |
|
|
-1. */
|
1062 |
|
|
if (h->root.got.offset == 2)
|
1063 |
|
|
{
|
1064 |
|
|
if (hsd->max_unref_got_dynindx == hsd->min_got_dynindx)
|
1065 |
225 |
jeremybenn |
hsd->low = (struct elf_link_hash_entry *) h;
|
1066 |
24 |
jeremybenn |
h->root.dynindx = hsd->max_unref_got_dynindx++;
|
1067 |
|
|
}
|
1068 |
|
|
else if (h->root.got.offset != 1)
|
1069 |
|
|
h->root.dynindx = hsd->max_non_got_dynindx++;
|
1070 |
|
|
else
|
1071 |
|
|
{
|
1072 |
|
|
h->root.dynindx = --hsd->min_got_dynindx;
|
1073 |
|
|
hsd->low = (struct elf_link_hash_entry *) h;
|
1074 |
|
|
}
|
1075 |
|
|
|
1076 |
|
|
return TRUE;
|
1077 |
|
|
}
|
1078 |
|
|
|
1079 |
|
|
static asection *
|
1080 |
|
|
score_elf_got_section (bfd *abfd, bfd_boolean maybe_excluded)
|
1081 |
|
|
{
|
1082 |
|
|
asection *sgot = bfd_get_section_by_name (abfd, ".got");
|
1083 |
|
|
|
1084 |
|
|
if (sgot == NULL || (! maybe_excluded && (sgot->flags & SEC_EXCLUDE) != 0))
|
1085 |
|
|
return NULL;
|
1086 |
|
|
return sgot;
|
1087 |
|
|
}
|
1088 |
|
|
|
1089 |
|
|
/* Returns the GOT information associated with the link indicated by
|
1090 |
|
|
INFO. If SGOTP is non-NULL, it is filled in with the GOT section. */
|
1091 |
|
|
static struct score_got_info *
|
1092 |
|
|
score_elf_got_info (bfd *abfd, asection **sgotp)
|
1093 |
|
|
{
|
1094 |
|
|
asection *sgot;
|
1095 |
|
|
struct score_got_info *g;
|
1096 |
|
|
|
1097 |
|
|
sgot = score_elf_got_section (abfd, TRUE);
|
1098 |
|
|
BFD_ASSERT (sgot != NULL);
|
1099 |
|
|
BFD_ASSERT (elf_section_data (sgot) != NULL);
|
1100 |
|
|
g = score_elf_section_data (sgot)->u.got_info;
|
1101 |
|
|
BFD_ASSERT (g != NULL);
|
1102 |
|
|
|
1103 |
|
|
if (sgotp)
|
1104 |
|
|
*sgotp = sgot;
|
1105 |
|
|
return g;
|
1106 |
|
|
}
|
1107 |
|
|
|
1108 |
|
|
/* Sort the dynamic symbol table so that symbols that need GOT entries
|
1109 |
|
|
appear towards the end. This reduces the amount of GOT space
|
1110 |
|
|
required. MAX_LOCAL is used to set the number of local symbols
|
1111 |
|
|
known to be in the dynamic symbol table. During
|
1112 |
225 |
jeremybenn |
s3_bfd_score_elf_size_dynamic_sections, this value is 1. Afterward, the
|
1113 |
24 |
jeremybenn |
section symbols are added and the count is higher. */
|
1114 |
|
|
static bfd_boolean
|
1115 |
|
|
score_elf_sort_hash_table (struct bfd_link_info *info,
|
1116 |
225 |
jeremybenn |
unsigned long max_local)
|
1117 |
24 |
jeremybenn |
{
|
1118 |
|
|
struct score_elf_hash_sort_data hsd;
|
1119 |
|
|
struct score_got_info *g;
|
1120 |
|
|
bfd *dynobj;
|
1121 |
|
|
|
1122 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
1123 |
|
|
|
1124 |
|
|
g = score_elf_got_info (dynobj, NULL);
|
1125 |
|
|
|
1126 |
|
|
hsd.low = NULL;
|
1127 |
|
|
hsd.max_unref_got_dynindx =
|
1128 |
|
|
hsd.min_got_dynindx = elf_hash_table (info)->dynsymcount
|
1129 |
|
|
/* In the multi-got case, assigned_gotno of the master got_info
|
1130 |
|
|
indicate the number of entries that aren't referenced in the
|
1131 |
|
|
primary GOT, but that must have entries because there are
|
1132 |
|
|
dynamic relocations that reference it. Since they aren't
|
1133 |
|
|
referenced, we move them to the end of the GOT, so that they
|
1134 |
|
|
don't prevent other entries that are referenced from getting
|
1135 |
|
|
too large offsets. */
|
1136 |
|
|
- (g->next ? g->assigned_gotno : 0);
|
1137 |
|
|
hsd.max_non_got_dynindx = max_local;
|
1138 |
|
|
score_elf_link_hash_traverse (((struct score_elf_link_hash_table *)
|
1139 |
225 |
jeremybenn |
elf_hash_table (info)),
|
1140 |
|
|
score_elf_sort_hash_table_f,
|
1141 |
|
|
&hsd);
|
1142 |
24 |
jeremybenn |
|
1143 |
|
|
/* There should have been enough room in the symbol table to
|
1144 |
|
|
accommodate both the GOT and non-GOT symbols. */
|
1145 |
|
|
BFD_ASSERT (hsd.max_non_got_dynindx <= hsd.min_got_dynindx);
|
1146 |
|
|
BFD_ASSERT ((unsigned long)hsd.max_unref_got_dynindx
|
1147 |
225 |
jeremybenn |
<= elf_hash_table (info)->dynsymcount);
|
1148 |
24 |
jeremybenn |
|
1149 |
|
|
/* Now we know which dynamic symbol has the lowest dynamic symbol
|
1150 |
|
|
table index in the GOT. */
|
1151 |
|
|
g->global_gotsym = hsd.low;
|
1152 |
|
|
|
1153 |
|
|
return TRUE;
|
1154 |
|
|
}
|
1155 |
|
|
|
1156 |
|
|
/* Create an entry in an score ELF linker hash table. */
|
1157 |
|
|
static struct bfd_hash_entry *
|
1158 |
|
|
score_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
|
1159 |
225 |
jeremybenn |
struct bfd_hash_table *table,
|
1160 |
|
|
const char *string)
|
1161 |
24 |
jeremybenn |
{
|
1162 |
|
|
struct score_elf_link_hash_entry *ret = (struct score_elf_link_hash_entry *)entry;
|
1163 |
|
|
|
1164 |
|
|
/* Allocate the structure if it has not already been allocated by a subclass. */
|
1165 |
|
|
if (ret == NULL)
|
1166 |
|
|
ret = bfd_hash_allocate (table, sizeof (struct score_elf_link_hash_entry));
|
1167 |
|
|
if (ret == NULL)
|
1168 |
|
|
return (struct bfd_hash_entry *)ret;
|
1169 |
|
|
|
1170 |
|
|
/* Call the allocation method of the superclass. */
|
1171 |
|
|
ret = ((struct score_elf_link_hash_entry *)
|
1172 |
|
|
_bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *)ret, table, string));
|
1173 |
|
|
|
1174 |
|
|
if (ret != NULL)
|
1175 |
|
|
{
|
1176 |
|
|
ret->possibly_dynamic_relocs = 0;
|
1177 |
|
|
ret->readonly_reloc = FALSE;
|
1178 |
|
|
ret->no_fn_stub = FALSE;
|
1179 |
|
|
ret->forced_local = FALSE;
|
1180 |
|
|
}
|
1181 |
|
|
|
1182 |
|
|
return (struct bfd_hash_entry *)ret;
|
1183 |
|
|
}
|
1184 |
|
|
|
1185 |
|
|
/* Returns the first relocation of type r_type found, beginning with
|
1186 |
|
|
RELOCATION. RELEND is one-past-the-end of the relocation table. */
|
1187 |
|
|
static const Elf_Internal_Rela *
|
1188 |
|
|
score_elf_next_relocation (bfd *abfd ATTRIBUTE_UNUSED, unsigned int r_type,
|
1189 |
225 |
jeremybenn |
const Elf_Internal_Rela *relocation,
|
1190 |
|
|
const Elf_Internal_Rela *relend)
|
1191 |
24 |
jeremybenn |
{
|
1192 |
|
|
while (relocation < relend)
|
1193 |
|
|
{
|
1194 |
|
|
if (ELF32_R_TYPE (relocation->r_info) == r_type)
|
1195 |
225 |
jeremybenn |
return relocation;
|
1196 |
24 |
jeremybenn |
|
1197 |
|
|
++relocation;
|
1198 |
|
|
}
|
1199 |
|
|
|
1200 |
|
|
/* We didn't find it. */
|
1201 |
|
|
bfd_set_error (bfd_error_bad_value);
|
1202 |
|
|
return NULL;
|
1203 |
|
|
}
|
1204 |
|
|
|
1205 |
|
|
/* This function is called via qsort() to sort the dynamic relocation
|
1206 |
|
|
entries by increasing r_symndx value. */
|
1207 |
|
|
static int
|
1208 |
|
|
score_elf_sort_dynamic_relocs (const void *arg1, const void *arg2)
|
1209 |
|
|
{
|
1210 |
|
|
Elf_Internal_Rela int_reloc1;
|
1211 |
|
|
Elf_Internal_Rela int_reloc2;
|
1212 |
|
|
|
1213 |
|
|
bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg1, &int_reloc1);
|
1214 |
|
|
bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg2, &int_reloc2);
|
1215 |
|
|
|
1216 |
|
|
return (ELF32_R_SYM (int_reloc1.r_info) - ELF32_R_SYM (int_reloc2.r_info));
|
1217 |
|
|
}
|
1218 |
|
|
|
1219 |
|
|
/* Return whether a relocation is against a local symbol. */
|
1220 |
|
|
static bfd_boolean
|
1221 |
|
|
score_elf_local_relocation_p (bfd *input_bfd,
|
1222 |
225 |
jeremybenn |
const Elf_Internal_Rela *relocation,
|
1223 |
|
|
asection **local_sections,
|
1224 |
|
|
bfd_boolean check_forced)
|
1225 |
24 |
jeremybenn |
{
|
1226 |
|
|
unsigned long r_symndx;
|
1227 |
|
|
Elf_Internal_Shdr *symtab_hdr;
|
1228 |
|
|
struct score_elf_link_hash_entry *h;
|
1229 |
|
|
size_t extsymoff;
|
1230 |
|
|
|
1231 |
|
|
r_symndx = ELF32_R_SYM (relocation->r_info);
|
1232 |
|
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
1233 |
225 |
jeremybenn |
extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
|
1234 |
24 |
jeremybenn |
|
1235 |
|
|
if (r_symndx < extsymoff)
|
1236 |
|
|
return TRUE;
|
1237 |
225 |
jeremybenn |
if (elf_bad_symtab (input_bfd) && local_sections[r_symndx] != NULL)
|
1238 |
|
|
return TRUE;
|
1239 |
24 |
jeremybenn |
|
1240 |
|
|
if (check_forced)
|
1241 |
|
|
{
|
1242 |
|
|
/* Look up the hash table to check whether the symbol was forced local. */
|
1243 |
|
|
h = (struct score_elf_link_hash_entry *)
|
1244 |
225 |
jeremybenn |
elf_sym_hashes (input_bfd) [r_symndx - extsymoff];
|
1245 |
24 |
jeremybenn |
/* Find the real hash-table entry for this symbol. */
|
1246 |
|
|
while (h->root.root.type == bfd_link_hash_indirect
|
1247 |
225 |
jeremybenn |
|| h->root.root.type == bfd_link_hash_warning)
|
1248 |
|
|
h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
|
1249 |
24 |
jeremybenn |
if (h->root.forced_local)
|
1250 |
225 |
jeremybenn |
return TRUE;
|
1251 |
24 |
jeremybenn |
}
|
1252 |
|
|
|
1253 |
|
|
return FALSE;
|
1254 |
|
|
}
|
1255 |
|
|
|
1256 |
|
|
/* Returns the dynamic relocation section for DYNOBJ. */
|
1257 |
|
|
static asection *
|
1258 |
|
|
score_elf_rel_dyn_section (bfd *dynobj, bfd_boolean create_p)
|
1259 |
|
|
{
|
1260 |
|
|
static const char dname[] = ".rel.dyn";
|
1261 |
|
|
asection *sreloc;
|
1262 |
|
|
|
1263 |
|
|
sreloc = bfd_get_section_by_name (dynobj, dname);
|
1264 |
|
|
if (sreloc == NULL && create_p)
|
1265 |
|
|
{
|
1266 |
|
|
sreloc = bfd_make_section_with_flags (dynobj, dname,
|
1267 |
|
|
(SEC_ALLOC
|
1268 |
|
|
| SEC_LOAD
|
1269 |
|
|
| SEC_HAS_CONTENTS
|
1270 |
|
|
| SEC_IN_MEMORY
|
1271 |
|
|
| SEC_LINKER_CREATED
|
1272 |
|
|
| SEC_READONLY));
|
1273 |
|
|
if (sreloc == NULL
|
1274 |
225 |
jeremybenn |
|| ! bfd_set_section_alignment (dynobj, sreloc,
|
1275 |
|
|
SCORE_ELF_LOG_FILE_ALIGN (dynobj)))
|
1276 |
|
|
return NULL;
|
1277 |
24 |
jeremybenn |
}
|
1278 |
225 |
jeremybenn |
return sreloc;
|
1279 |
24 |
jeremybenn |
}
|
1280 |
|
|
|
1281 |
|
|
static void
|
1282 |
|
|
score_elf_allocate_dynamic_relocations (bfd *abfd, unsigned int n)
|
1283 |
|
|
{
|
1284 |
|
|
asection *s;
|
1285 |
|
|
|
1286 |
|
|
s = score_elf_rel_dyn_section (abfd, FALSE);
|
1287 |
|
|
BFD_ASSERT (s != NULL);
|
1288 |
|
|
|
1289 |
|
|
if (s->size == 0)
|
1290 |
|
|
{
|
1291 |
|
|
/* Make room for a null element. */
|
1292 |
|
|
s->size += SCORE_ELF_REL_SIZE (abfd);
|
1293 |
|
|
++s->reloc_count;
|
1294 |
|
|
}
|
1295 |
|
|
s->size += n * SCORE_ELF_REL_SIZE (abfd);
|
1296 |
|
|
}
|
1297 |
|
|
|
1298 |
|
|
/* Create a rel.dyn relocation for the dynamic linker to resolve. REL
|
1299 |
|
|
is the original relocation, which is now being transformed into a
|
1300 |
|
|
dynamic relocation. The ADDENDP is adjusted if necessary; the
|
1301 |
|
|
caller should store the result in place of the original addend. */
|
1302 |
|
|
static bfd_boolean
|
1303 |
|
|
score_elf_create_dynamic_relocation (bfd *output_bfd,
|
1304 |
225 |
jeremybenn |
struct bfd_link_info *info,
|
1305 |
|
|
const Elf_Internal_Rela *rel,
|
1306 |
|
|
struct score_elf_link_hash_entry *h,
|
1307 |
|
|
bfd_vma symbol,
|
1308 |
|
|
bfd_vma *addendp, asection *input_section)
|
1309 |
24 |
jeremybenn |
{
|
1310 |
|
|
Elf_Internal_Rela outrel[3];
|
1311 |
|
|
asection *sreloc;
|
1312 |
|
|
bfd *dynobj;
|
1313 |
|
|
int r_type;
|
1314 |
|
|
long indx;
|
1315 |
|
|
bfd_boolean defined_p;
|
1316 |
|
|
|
1317 |
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
1318 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
1319 |
|
|
sreloc = score_elf_rel_dyn_section (dynobj, FALSE);
|
1320 |
|
|
BFD_ASSERT (sreloc != NULL);
|
1321 |
|
|
BFD_ASSERT (sreloc->contents != NULL);
|
1322 |
|
|
BFD_ASSERT (sreloc->reloc_count * SCORE_ELF_REL_SIZE (output_bfd) < sreloc->size);
|
1323 |
|
|
|
1324 |
|
|
outrel[0].r_offset =
|
1325 |
|
|
_bfd_elf_section_offset (output_bfd, info, input_section, rel[0].r_offset);
|
1326 |
|
|
outrel[1].r_offset =
|
1327 |
|
|
_bfd_elf_section_offset (output_bfd, info, input_section, rel[1].r_offset);
|
1328 |
|
|
outrel[2].r_offset =
|
1329 |
|
|
_bfd_elf_section_offset (output_bfd, info, input_section, rel[2].r_offset);
|
1330 |
|
|
|
1331 |
|
|
if (outrel[0].r_offset == MINUS_ONE)
|
1332 |
|
|
/* The relocation field has been deleted. */
|
1333 |
|
|
return TRUE;
|
1334 |
|
|
|
1335 |
|
|
if (outrel[0].r_offset == MINUS_TWO)
|
1336 |
|
|
{
|
1337 |
|
|
/* The relocation field has been converted into a relative value of
|
1338 |
225 |
jeremybenn |
some sort. Functions like _bfd_elf_write_section_eh_frame expect
|
1339 |
|
|
the field to be fully relocated, so add in the symbol's value. */
|
1340 |
24 |
jeremybenn |
*addendp += symbol;
|
1341 |
|
|
return TRUE;
|
1342 |
|
|
}
|
1343 |
|
|
|
1344 |
|
|
/* We must now calculate the dynamic symbol table index to use
|
1345 |
|
|
in the relocation. */
|
1346 |
|
|
if (h != NULL
|
1347 |
|
|
&& (! info->symbolic || !h->root.def_regular)
|
1348 |
|
|
/* h->root.dynindx may be -1 if this symbol was marked to
|
1349 |
225 |
jeremybenn |
become local. */
|
1350 |
24 |
jeremybenn |
&& h->root.dynindx != -1)
|
1351 |
|
|
{
|
1352 |
|
|
indx = h->root.dynindx;
|
1353 |
225 |
jeremybenn |
/* ??? glibc's ld.so just adds the final GOT entry to the
|
1354 |
|
|
relocation field. It therefore treats relocs against
|
1355 |
|
|
defined symbols in the same way as relocs against
|
1356 |
|
|
undefined symbols. */
|
1357 |
24 |
jeremybenn |
defined_p = FALSE;
|
1358 |
|
|
}
|
1359 |
|
|
else
|
1360 |
|
|
{
|
1361 |
|
|
indx = 0;
|
1362 |
|
|
defined_p = TRUE;
|
1363 |
|
|
}
|
1364 |
|
|
|
1365 |
|
|
/* If the relocation was previously an absolute relocation and
|
1366 |
|
|
this symbol will not be referred to by the relocation, we must
|
1367 |
|
|
adjust it by the value we give it in the dynamic symbol table.
|
1368 |
|
|
Otherwise leave the job up to the dynamic linker. */
|
1369 |
|
|
if (defined_p && r_type != R_SCORE_REL32)
|
1370 |
|
|
*addendp += symbol;
|
1371 |
|
|
|
1372 |
|
|
/* The relocation is always an REL32 relocation because we don't
|
1373 |
|
|
know where the shared library will wind up at load-time. */
|
1374 |
|
|
outrel[0].r_info = ELF32_R_INFO ((unsigned long) indx, R_SCORE_REL32);
|
1375 |
|
|
|
1376 |
|
|
/* For strict adherence to the ABI specification, we should
|
1377 |
|
|
generate a R_SCORE_64 relocation record by itself before the
|
1378 |
|
|
_REL32/_64 record as well, such that the addend is read in as
|
1379 |
|
|
a 64-bit value (REL32 is a 32-bit relocation, after all).
|
1380 |
|
|
However, since none of the existing ELF64 SCORE dynamic
|
1381 |
|
|
loaders seems to care, we don't waste space with these
|
1382 |
|
|
artificial relocations. If this turns out to not be true,
|
1383 |
|
|
score_elf_allocate_dynamic_relocations() should be tweaked so
|
1384 |
|
|
as to make room for a pair of dynamic relocations per
|
1385 |
|
|
invocation if ABI_64_P, and here we should generate an
|
1386 |
|
|
additional relocation record with R_SCORE_64 by itself for a
|
1387 |
|
|
NULL symbol before this relocation record. */
|
1388 |
|
|
outrel[1].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
|
1389 |
|
|
outrel[2].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
|
1390 |
|
|
|
1391 |
|
|
/* Adjust the output offset of the relocation to reference the
|
1392 |
|
|
correct location in the output file. */
|
1393 |
|
|
outrel[0].r_offset += (input_section->output_section->vma
|
1394 |
225 |
jeremybenn |
+ input_section->output_offset);
|
1395 |
24 |
jeremybenn |
outrel[1].r_offset += (input_section->output_section->vma
|
1396 |
225 |
jeremybenn |
+ input_section->output_offset);
|
1397 |
24 |
jeremybenn |
outrel[2].r_offset += (input_section->output_section->vma
|
1398 |
225 |
jeremybenn |
+ input_section->output_offset);
|
1399 |
24 |
jeremybenn |
|
1400 |
|
|
/* Put the relocation back out. We have to use the special
|
1401 |
|
|
relocation outputter in the 64-bit case since the 64-bit
|
1402 |
|
|
relocation format is non-standard. */
|
1403 |
|
|
bfd_elf32_swap_reloc_out
|
1404 |
|
|
(output_bfd, &outrel[0],
|
1405 |
|
|
(sreloc->contents + sreloc->reloc_count * sizeof (Elf32_External_Rel)));
|
1406 |
|
|
|
1407 |
|
|
/* We've now added another relocation. */
|
1408 |
|
|
++sreloc->reloc_count;
|
1409 |
|
|
|
1410 |
|
|
/* Make sure the output section is writable. The dynamic linker
|
1411 |
|
|
will be writing to it. */
|
1412 |
|
|
elf_section_data (input_section->output_section)->this_hdr.sh_flags |= SHF_WRITE;
|
1413 |
|
|
|
1414 |
|
|
return TRUE;
|
1415 |
|
|
}
|
1416 |
|
|
|
1417 |
|
|
static bfd_boolean
|
1418 |
|
|
score_elf_create_got_section (bfd *abfd,
|
1419 |
|
|
struct bfd_link_info *info,
|
1420 |
225 |
jeremybenn |
bfd_boolean maybe_exclude)
|
1421 |
24 |
jeremybenn |
{
|
1422 |
|
|
flagword flags;
|
1423 |
|
|
asection *s;
|
1424 |
|
|
struct elf_link_hash_entry *h;
|
1425 |
|
|
struct bfd_link_hash_entry *bh;
|
1426 |
|
|
struct score_got_info *g;
|
1427 |
|
|
bfd_size_type amt;
|
1428 |
|
|
|
1429 |
|
|
/* This function may be called more than once. */
|
1430 |
|
|
s = score_elf_got_section (abfd, TRUE);
|
1431 |
|
|
if (s)
|
1432 |
|
|
{
|
1433 |
|
|
if (! maybe_exclude)
|
1434 |
225 |
jeremybenn |
s->flags &= ~SEC_EXCLUDE;
|
1435 |
24 |
jeremybenn |
return TRUE;
|
1436 |
|
|
}
|
1437 |
|
|
|
1438 |
|
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
1439 |
|
|
|
1440 |
|
|
if (maybe_exclude)
|
1441 |
|
|
flags |= SEC_EXCLUDE;
|
1442 |
|
|
|
1443 |
|
|
/* We have to use an alignment of 2**4 here because this is hardcoded
|
1444 |
|
|
in the function stub generation and in the linker script. */
|
1445 |
|
|
s = bfd_make_section_with_flags (abfd, ".got", flags);
|
1446 |
|
|
if (s == NULL
|
1447 |
|
|
|| ! bfd_set_section_alignment (abfd, s, 4))
|
1448 |
|
|
return FALSE;
|
1449 |
|
|
|
1450 |
|
|
/* Define the symbol _GLOBAL_OFFSET_TABLE_. We don't do this in the
|
1451 |
|
|
linker script because we don't want to define the symbol if we
|
1452 |
|
|
are not creating a global offset table. */
|
1453 |
|
|
bh = NULL;
|
1454 |
|
|
if (! (_bfd_generic_link_add_one_symbol
|
1455 |
225 |
jeremybenn |
(info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
|
1456 |
|
|
0, NULL, FALSE, get_elf_backend_data (abfd)->collect, &bh)))
|
1457 |
24 |
jeremybenn |
return FALSE;
|
1458 |
|
|
|
1459 |
|
|
h = (struct elf_link_hash_entry *) bh;
|
1460 |
|
|
h->non_elf = 0;
|
1461 |
|
|
h->def_regular = 1;
|
1462 |
|
|
h->type = STT_OBJECT;
|
1463 |
|
|
|
1464 |
|
|
if (info->shared && ! bfd_elf_link_record_dynamic_symbol (info, h))
|
1465 |
|
|
return FALSE;
|
1466 |
|
|
|
1467 |
|
|
amt = sizeof (struct score_got_info);
|
1468 |
|
|
g = bfd_alloc (abfd, amt);
|
1469 |
|
|
if (g == NULL)
|
1470 |
|
|
return FALSE;
|
1471 |
|
|
|
1472 |
|
|
g->global_gotsym = NULL;
|
1473 |
|
|
g->global_gotno = 0;
|
1474 |
|
|
|
1475 |
|
|
g->local_gotno = SCORE_RESERVED_GOTNO;
|
1476 |
|
|
g->assigned_gotno = SCORE_RESERVED_GOTNO;
|
1477 |
|
|
g->next = NULL;
|
1478 |
|
|
|
1479 |
|
|
g->got_entries = htab_try_create (1, score_elf_got_entry_hash,
|
1480 |
225 |
jeremybenn |
score_elf_got_entry_eq, NULL);
|
1481 |
24 |
jeremybenn |
if (g->got_entries == NULL)
|
1482 |
|
|
return FALSE;
|
1483 |
|
|
score_elf_section_data (s)->u.got_info = g;
|
1484 |
|
|
score_elf_section_data (s)->elf.this_hdr.sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
|
1485 |
|
|
|
1486 |
|
|
return TRUE;
|
1487 |
|
|
}
|
1488 |
|
|
|
1489 |
|
|
/* Calculate the %high function. */
|
1490 |
|
|
static bfd_vma
|
1491 |
|
|
score_elf_high (bfd_vma value)
|
1492 |
|
|
{
|
1493 |
|
|
return ((value + (bfd_vma) 0x8000) >> 16) & 0xffff;
|
1494 |
|
|
}
|
1495 |
|
|
|
1496 |
|
|
/* Create a local GOT entry for VALUE. Return the index of the entry,
|
1497 |
|
|
or -1 if it could not be created. */
|
1498 |
|
|
static struct score_got_entry *
|
1499 |
|
|
score_elf_create_local_got_entry (bfd *abfd,
|
1500 |
|
|
bfd *ibfd ATTRIBUTE_UNUSED,
|
1501 |
225 |
jeremybenn |
struct score_got_info *gg,
|
1502 |
|
|
asection *sgot, bfd_vma value,
|
1503 |
|
|
unsigned long r_symndx ATTRIBUTE_UNUSED,
|
1504 |
|
|
struct score_elf_link_hash_entry *h ATTRIBUTE_UNUSED,
|
1505 |
|
|
int r_type ATTRIBUTE_UNUSED)
|
1506 |
24 |
jeremybenn |
{
|
1507 |
|
|
struct score_got_entry entry, **loc;
|
1508 |
|
|
struct score_got_info *g;
|
1509 |
|
|
|
1510 |
|
|
entry.abfd = NULL;
|
1511 |
|
|
entry.symndx = -1;
|
1512 |
|
|
entry.d.address = value;
|
1513 |
|
|
|
1514 |
|
|
g = gg;
|
1515 |
|
|
loc = (struct score_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT);
|
1516 |
|
|
if (*loc)
|
1517 |
|
|
return *loc;
|
1518 |
|
|
|
1519 |
|
|
entry.gotidx = SCORE_ELF_GOT_SIZE (abfd) * g->assigned_gotno++;
|
1520 |
|
|
|
1521 |
|
|
*loc = bfd_alloc (abfd, sizeof entry);
|
1522 |
|
|
|
1523 |
|
|
if (! *loc)
|
1524 |
|
|
return NULL;
|
1525 |
|
|
|
1526 |
|
|
memcpy (*loc, &entry, sizeof entry);
|
1527 |
|
|
|
1528 |
|
|
if (g->assigned_gotno >= g->local_gotno)
|
1529 |
|
|
{
|
1530 |
|
|
(*loc)->gotidx = -1;
|
1531 |
|
|
/* We didn't allocate enough space in the GOT. */
|
1532 |
|
|
(*_bfd_error_handler)
|
1533 |
225 |
jeremybenn |
(_("not enough GOT space for local GOT entries"));
|
1534 |
24 |
jeremybenn |
bfd_set_error (bfd_error_bad_value);
|
1535 |
|
|
return NULL;
|
1536 |
|
|
}
|
1537 |
|
|
|
1538 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, value, (sgot->contents + entry.gotidx));
|
1539 |
24 |
jeremybenn |
|
1540 |
|
|
return *loc;
|
1541 |
|
|
}
|
1542 |
|
|
|
1543 |
|
|
/* Find a GOT entry whose higher-order 16 bits are the same as those
|
1544 |
|
|
for value. Return the index into the GOT for this entry. */
|
1545 |
|
|
static bfd_vma
|
1546 |
|
|
score_elf_got16_entry (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
|
1547 |
225 |
jeremybenn |
bfd_vma value, bfd_boolean external)
|
1548 |
24 |
jeremybenn |
{
|
1549 |
|
|
asection *sgot;
|
1550 |
|
|
struct score_got_info *g;
|
1551 |
|
|
struct score_got_entry *entry;
|
1552 |
|
|
|
1553 |
|
|
if (!external)
|
1554 |
|
|
{
|
1555 |
|
|
/* Although the ABI says that it is "the high-order 16 bits" that we
|
1556 |
225 |
jeremybenn |
want, it is really the %high value. The complete value is
|
1557 |
|
|
calculated with a `addiu' of a LO16 relocation, just as with a
|
1558 |
|
|
HI16/LO16 pair. */
|
1559 |
24 |
jeremybenn |
value = score_elf_high (value) << 16;
|
1560 |
|
|
}
|
1561 |
|
|
|
1562 |
|
|
g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
|
1563 |
|
|
|
1564 |
|
|
entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value, 0, NULL,
|
1565 |
225 |
jeremybenn |
R_SCORE_GOT15);
|
1566 |
24 |
jeremybenn |
if (entry)
|
1567 |
|
|
return entry->gotidx;
|
1568 |
|
|
else
|
1569 |
|
|
return MINUS_ONE;
|
1570 |
|
|
}
|
1571 |
|
|
|
1572 |
|
|
static void
|
1573 |
225 |
jeremybenn |
s3_bfd_score_elf_hide_symbol (struct bfd_link_info *info,
|
1574 |
|
|
struct elf_link_hash_entry *entry,
|
1575 |
|
|
bfd_boolean force_local)
|
1576 |
24 |
jeremybenn |
{
|
1577 |
|
|
bfd *dynobj;
|
1578 |
|
|
asection *got;
|
1579 |
|
|
struct score_got_info *g;
|
1580 |
|
|
struct score_elf_link_hash_entry *h;
|
1581 |
|
|
|
1582 |
|
|
h = (struct score_elf_link_hash_entry *) entry;
|
1583 |
|
|
if (h->forced_local)
|
1584 |
|
|
return;
|
1585 |
|
|
h->forced_local = TRUE;
|
1586 |
|
|
|
1587 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
1588 |
|
|
if (dynobj != NULL && force_local)
|
1589 |
|
|
{
|
1590 |
|
|
got = score_elf_got_section (dynobj, FALSE);
|
1591 |
|
|
if (got == NULL)
|
1592 |
225 |
jeremybenn |
return;
|
1593 |
24 |
jeremybenn |
g = score_elf_section_data (got)->u.got_info;
|
1594 |
|
|
|
1595 |
|
|
if (g->next)
|
1596 |
225 |
jeremybenn |
{
|
1597 |
|
|
struct score_got_entry e;
|
1598 |
|
|
struct score_got_info *gg = g;
|
1599 |
24 |
jeremybenn |
|
1600 |
225 |
jeremybenn |
/* Since we're turning what used to be a global symbol into a
|
1601 |
|
|
local one, bump up the number of local entries of each GOT
|
1602 |
|
|
that had an entry for it. This will automatically decrease
|
1603 |
|
|
the number of global entries, since global_gotno is actually
|
1604 |
|
|
the upper limit of global entries. */
|
1605 |
|
|
e.abfd = dynobj;
|
1606 |
|
|
e.symndx = -1;
|
1607 |
|
|
e.d.h = h;
|
1608 |
24 |
jeremybenn |
|
1609 |
225 |
jeremybenn |
for (g = g->next; g != gg; g = g->next)
|
1610 |
|
|
if (htab_find (g->got_entries, &e))
|
1611 |
|
|
{
|
1612 |
|
|
BFD_ASSERT (g->global_gotno > 0);
|
1613 |
|
|
g->local_gotno++;
|
1614 |
|
|
g->global_gotno--;
|
1615 |
|
|
}
|
1616 |
24 |
jeremybenn |
|
1617 |
225 |
jeremybenn |
/* If this was a global symbol forced into the primary GOT, we
|
1618 |
|
|
no longer need an entry for it. We can't release the entry
|
1619 |
|
|
at this point, but we must at least stop counting it as one
|
1620 |
|
|
of the symbols that required a forced got entry. */
|
1621 |
|
|
if (h->root.got.offset == 2)
|
1622 |
|
|
{
|
1623 |
|
|
BFD_ASSERT (gg->assigned_gotno > 0);
|
1624 |
|
|
gg->assigned_gotno--;
|
1625 |
|
|
}
|
1626 |
|
|
}
|
1627 |
24 |
jeremybenn |
else if (g->global_gotno == 0 && g->global_gotsym == NULL)
|
1628 |
225 |
jeremybenn |
/* If we haven't got through GOT allocation yet, just bump up the
|
1629 |
|
|
number of local entries, as this symbol won't be counted as
|
1630 |
|
|
global. */
|
1631 |
|
|
g->local_gotno++;
|
1632 |
24 |
jeremybenn |
else if (h->root.got.offset == 1)
|
1633 |
225 |
jeremybenn |
{
|
1634 |
|
|
/* If we're past non-multi-GOT allocation and this symbol had
|
1635 |
|
|
been marked for a global got entry, give it a local entry
|
1636 |
|
|
instead. */
|
1637 |
|
|
BFD_ASSERT (g->global_gotno > 0);
|
1638 |
|
|
g->local_gotno++;
|
1639 |
|
|
g->global_gotno--;
|
1640 |
|
|
}
|
1641 |
24 |
jeremybenn |
}
|
1642 |
|
|
|
1643 |
|
|
_bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
|
1644 |
|
|
}
|
1645 |
|
|
|
1646 |
|
|
/* If H is a symbol that needs a global GOT entry, but has a dynamic
|
1647 |
|
|
symbol table index lower than any we've seen to date, record it for
|
1648 |
|
|
posterity. */
|
1649 |
|
|
static bfd_boolean
|
1650 |
|
|
score_elf_record_global_got_symbol (struct elf_link_hash_entry *h,
|
1651 |
225 |
jeremybenn |
bfd *abfd,
|
1652 |
24 |
jeremybenn |
struct bfd_link_info *info,
|
1653 |
225 |
jeremybenn |
struct score_got_info *g)
|
1654 |
24 |
jeremybenn |
{
|
1655 |
|
|
struct score_got_entry entry, **loc;
|
1656 |
|
|
|
1657 |
|
|
/* A global symbol in the GOT must also be in the dynamic symbol table. */
|
1658 |
|
|
if (h->dynindx == -1)
|
1659 |
|
|
{
|
1660 |
|
|
switch (ELF_ST_VISIBILITY (h->other))
|
1661 |
225 |
jeremybenn |
{
|
1662 |
|
|
case STV_INTERNAL:
|
1663 |
|
|
case STV_HIDDEN:
|
1664 |
|
|
s3_bfd_score_elf_hide_symbol (info, h, TRUE);
|
1665 |
|
|
break;
|
1666 |
|
|
}
|
1667 |
24 |
jeremybenn |
if (!bfd_elf_link_record_dynamic_symbol (info, h))
|
1668 |
225 |
jeremybenn |
return FALSE;
|
1669 |
24 |
jeremybenn |
}
|
1670 |
|
|
|
1671 |
|
|
entry.abfd = abfd;
|
1672 |
|
|
entry.symndx = -1;
|
1673 |
|
|
entry.d.h = (struct score_elf_link_hash_entry *)h;
|
1674 |
|
|
|
1675 |
|
|
loc = (struct score_got_entry **)htab_find_slot (g->got_entries, &entry, INSERT);
|
1676 |
|
|
|
1677 |
|
|
/* If we've already marked this entry as needing GOT space, we don't
|
1678 |
|
|
need to do it again. */
|
1679 |
|
|
if (*loc)
|
1680 |
|
|
return TRUE;
|
1681 |
|
|
|
1682 |
|
|
*loc = bfd_alloc (abfd, sizeof entry);
|
1683 |
|
|
if (! *loc)
|
1684 |
|
|
return FALSE;
|
1685 |
|
|
|
1686 |
|
|
entry.gotidx = -1;
|
1687 |
|
|
|
1688 |
|
|
memcpy (*loc, &entry, sizeof (entry));
|
1689 |
|
|
|
1690 |
|
|
if (h->got.offset != MINUS_ONE)
|
1691 |
|
|
return TRUE;
|
1692 |
|
|
|
1693 |
|
|
/* By setting this to a value other than -1, we are indicating that
|
1694 |
|
|
there needs to be a GOT entry for H. Avoid using zero, as the
|
1695 |
|
|
generic ELF copy_indirect_symbol tests for <= 0. */
|
1696 |
|
|
h->got.offset = 1;
|
1697 |
|
|
|
1698 |
|
|
return TRUE;
|
1699 |
|
|
}
|
1700 |
|
|
|
1701 |
|
|
/* Reserve space in G for a GOT entry containing the value of symbol
|
1702 |
|
|
SYMNDX in input bfd ABDF, plus ADDEND. */
|
1703 |
|
|
static bfd_boolean
|
1704 |
|
|
score_elf_record_local_got_symbol (bfd *abfd,
|
1705 |
|
|
long symndx,
|
1706 |
|
|
bfd_vma addend,
|
1707 |
225 |
jeremybenn |
struct score_got_info *g)
|
1708 |
24 |
jeremybenn |
{
|
1709 |
|
|
struct score_got_entry entry, **loc;
|
1710 |
|
|
|
1711 |
|
|
entry.abfd = abfd;
|
1712 |
|
|
entry.symndx = symndx;
|
1713 |
|
|
entry.d.addend = addend;
|
1714 |
|
|
loc = (struct score_got_entry **)htab_find_slot (g->got_entries, &entry, INSERT);
|
1715 |
|
|
|
1716 |
|
|
if (*loc)
|
1717 |
|
|
return TRUE;
|
1718 |
|
|
|
1719 |
|
|
entry.gotidx = g->local_gotno++;
|
1720 |
|
|
|
1721 |
|
|
*loc = bfd_alloc (abfd, sizeof(entry));
|
1722 |
|
|
if (! *loc)
|
1723 |
|
|
return FALSE;
|
1724 |
|
|
|
1725 |
|
|
memcpy (*loc, &entry, sizeof (entry));
|
1726 |
|
|
|
1727 |
|
|
return TRUE;
|
1728 |
|
|
}
|
1729 |
|
|
|
1730 |
|
|
/* Returns the GOT offset at which the indicated address can be found.
|
1731 |
|
|
If there is not yet a GOT entry for this value, create one.
|
1732 |
|
|
Returns -1 if no satisfactory GOT offset can be found. */
|
1733 |
|
|
static bfd_vma
|
1734 |
|
|
score_elf_local_got_index (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
|
1735 |
225 |
jeremybenn |
bfd_vma value, unsigned long r_symndx,
|
1736 |
|
|
struct score_elf_link_hash_entry *h, int r_type)
|
1737 |
24 |
jeremybenn |
{
|
1738 |
|
|
asection *sgot;
|
1739 |
|
|
struct score_got_info *g;
|
1740 |
|
|
struct score_got_entry *entry;
|
1741 |
|
|
|
1742 |
|
|
g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
|
1743 |
|
|
|
1744 |
|
|
entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value,
|
1745 |
225 |
jeremybenn |
r_symndx, h, r_type);
|
1746 |
24 |
jeremybenn |
if (!entry)
|
1747 |
|
|
return MINUS_ONE;
|
1748 |
|
|
|
1749 |
|
|
else
|
1750 |
|
|
return entry->gotidx;
|
1751 |
|
|
}
|
1752 |
|
|
|
1753 |
|
|
/* Returns the GOT index for the global symbol indicated by H. */
|
1754 |
|
|
|
1755 |
|
|
static bfd_vma
|
1756 |
|
|
score_elf_global_got_index (bfd *abfd, struct elf_link_hash_entry *h)
|
1757 |
|
|
{
|
1758 |
|
|
bfd_vma index;
|
1759 |
|
|
asection *sgot;
|
1760 |
|
|
struct score_got_info *g;
|
1761 |
|
|
long global_got_dynindx = 0;
|
1762 |
|
|
|
1763 |
|
|
g = score_elf_got_info (abfd, &sgot);
|
1764 |
|
|
if (g->global_gotsym != NULL)
|
1765 |
|
|
global_got_dynindx = g->global_gotsym->dynindx;
|
1766 |
|
|
|
1767 |
|
|
/* Once we determine the global GOT entry with the lowest dynamic
|
1768 |
|
|
symbol table index, we must put all dynamic symbols with greater
|
1769 |
|
|
indices into the GOT. That makes it easy to calculate the GOT
|
1770 |
|
|
offset. */
|
1771 |
|
|
BFD_ASSERT (h->dynindx >= global_got_dynindx);
|
1772 |
|
|
index = ((h->dynindx - global_got_dynindx + g->local_gotno) * SCORE_ELF_GOT_SIZE (abfd));
|
1773 |
|
|
BFD_ASSERT (index < sgot->size);
|
1774 |
|
|
|
1775 |
|
|
return index;
|
1776 |
|
|
}
|
1777 |
|
|
|
1778 |
|
|
/* Returns the offset for the entry at the INDEXth position in the GOT. */
|
1779 |
|
|
static bfd_vma
|
1780 |
|
|
score_elf_got_offset_from_index (bfd *dynobj, bfd *output_bfd,
|
1781 |
225 |
jeremybenn |
bfd *input_bfd ATTRIBUTE_UNUSED, bfd_vma index)
|
1782 |
24 |
jeremybenn |
{
|
1783 |
|
|
asection *sgot;
|
1784 |
|
|
bfd_vma gp;
|
1785 |
|
|
struct score_got_info *g;
|
1786 |
|
|
|
1787 |
|
|
g = score_elf_got_info (dynobj, &sgot);
|
1788 |
|
|
gp = _bfd_get_gp_value (output_bfd);
|
1789 |
|
|
|
1790 |
|
|
return sgot->output_section->vma + sgot->output_offset + index - gp;
|
1791 |
|
|
}
|
1792 |
|
|
|
1793 |
|
|
/* Follow indirect and warning hash entries so that each got entry
|
1794 |
|
|
points to the final symbol definition. P must point to a pointer
|
1795 |
|
|
to the hash table we're traversing. Since this traversal may
|
1796 |
|
|
modify the hash table, we set this pointer to NULL to indicate
|
1797 |
|
|
we've made a potentially-destructive change to the hash table, so
|
1798 |
|
|
the traversal must be restarted. */
|
1799 |
|
|
static int
|
1800 |
|
|
score_elf_resolve_final_got_entry (void **entryp, void *p)
|
1801 |
|
|
{
|
1802 |
|
|
struct score_got_entry *entry = (struct score_got_entry *)*entryp;
|
1803 |
|
|
htab_t got_entries = *(htab_t *)p;
|
1804 |
|
|
|
1805 |
|
|
if (entry->abfd != NULL && entry->symndx == -1)
|
1806 |
|
|
{
|
1807 |
|
|
struct score_elf_link_hash_entry *h = entry->d.h;
|
1808 |
|
|
|
1809 |
|
|
while (h->root.root.type == bfd_link_hash_indirect
|
1810 |
225 |
jeremybenn |
|| h->root.root.type == bfd_link_hash_warning)
|
1811 |
|
|
h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
|
1812 |
24 |
jeremybenn |
|
1813 |
|
|
if (entry->d.h == h)
|
1814 |
225 |
jeremybenn |
return 1;
|
1815 |
24 |
jeremybenn |
|
1816 |
|
|
entry->d.h = h;
|
1817 |
|
|
|
1818 |
|
|
/* If we can't find this entry with the new bfd hash, re-insert
|
1819 |
225 |
jeremybenn |
it, and get the traversal restarted. */
|
1820 |
24 |
jeremybenn |
if (! htab_find (got_entries, entry))
|
1821 |
225 |
jeremybenn |
{
|
1822 |
|
|
htab_clear_slot (got_entries, entryp);
|
1823 |
|
|
entryp = htab_find_slot (got_entries, entry, INSERT);
|
1824 |
|
|
if (! *entryp)
|
1825 |
|
|
*entryp = entry;
|
1826 |
|
|
/* Abort the traversal, since the whole table may have
|
1827 |
|
|
moved, and leave it up to the parent to restart the
|
1828 |
|
|
process. */
|
1829 |
|
|
*(htab_t *)p = NULL;
|
1830 |
|
|
return 0;
|
1831 |
|
|
}
|
1832 |
24 |
jeremybenn |
/* We might want to decrement the global_gotno count, but it's
|
1833 |
225 |
jeremybenn |
either too early or too late for that at this point. */
|
1834 |
24 |
jeremybenn |
}
|
1835 |
|
|
|
1836 |
|
|
return 1;
|
1837 |
|
|
}
|
1838 |
|
|
|
1839 |
|
|
/* Turn indirect got entries in a got_entries table into their final locations. */
|
1840 |
|
|
static void
|
1841 |
|
|
score_elf_resolve_final_got_entries (struct score_got_info *g)
|
1842 |
|
|
{
|
1843 |
|
|
htab_t got_entries;
|
1844 |
|
|
|
1845 |
|
|
do
|
1846 |
|
|
{
|
1847 |
|
|
got_entries = g->got_entries;
|
1848 |
|
|
|
1849 |
|
|
htab_traverse (got_entries,
|
1850 |
225 |
jeremybenn |
score_elf_resolve_final_got_entry,
|
1851 |
|
|
&got_entries);
|
1852 |
24 |
jeremybenn |
}
|
1853 |
|
|
while (got_entries == NULL);
|
1854 |
|
|
}
|
1855 |
|
|
|
1856 |
|
|
/* Add INCREMENT to the reloc (of type HOWTO) at ADDRESS. for -r */
|
1857 |
|
|
static void
|
1858 |
|
|
score_elf_add_to_rel (bfd *abfd,
|
1859 |
225 |
jeremybenn |
bfd_byte *address,
|
1860 |
|
|
reloc_howto_type *howto,
|
1861 |
|
|
bfd_signed_vma increment)
|
1862 |
24 |
jeremybenn |
{
|
1863 |
|
|
bfd_signed_vma addend;
|
1864 |
|
|
bfd_vma contents;
|
1865 |
|
|
unsigned long offset;
|
1866 |
|
|
unsigned long r_type = howto->type;
|
1867 |
|
|
unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
|
1868 |
|
|
|
1869 |
225 |
jeremybenn |
contents = score_bfd_get_32 (abfd, address);
|
1870 |
24 |
jeremybenn |
/* Get the (signed) value from the instruction. */
|
1871 |
|
|
addend = contents & howto->src_mask;
|
1872 |
|
|
if (addend & ((howto->src_mask + 1) >> 1))
|
1873 |
|
|
{
|
1874 |
|
|
bfd_signed_vma mask;
|
1875 |
|
|
|
1876 |
|
|
mask = -1;
|
1877 |
|
|
mask &= ~howto->src_mask;
|
1878 |
|
|
addend |= mask;
|
1879 |
|
|
}
|
1880 |
|
|
/* Add in the increment, (which is a byte value). */
|
1881 |
|
|
switch (r_type)
|
1882 |
|
|
{
|
1883 |
|
|
case R_SCORE_PC19:
|
1884 |
|
|
offset =
|
1885 |
|
|
(((contents & howto->src_mask) & 0x3ff0000) >> 6) | ((contents & howto->src_mask) & 0x3ff);
|
1886 |
|
|
offset += increment;
|
1887 |
|
|
contents =
|
1888 |
|
|
(contents & ~howto->
|
1889 |
|
|
src_mask) | (((offset << 6) & howto->src_mask) & 0x3ff0000) | (offset & 0x3ff);
|
1890 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, contents, address);
|
1891 |
24 |
jeremybenn |
break;
|
1892 |
|
|
case R_SCORE_HI16:
|
1893 |
|
|
break;
|
1894 |
|
|
case R_SCORE_LO16:
|
1895 |
225 |
jeremybenn |
hi16_addend = score_bfd_get_32 (abfd, address - 4);
|
1896 |
24 |
jeremybenn |
hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
|
1897 |
|
|
offset = ((((contents >> 16) & 0x3) << 15) | (contents & 0x7fff)) >> 1;
|
1898 |
|
|
offset = (hi16_offset << 16) | (offset & 0xffff);
|
1899 |
|
|
uvalue = increment + offset;
|
1900 |
|
|
hi16_offset = (uvalue >> 16) << 1;
|
1901 |
|
|
hi16_value = (hi16_addend & (~(howto->dst_mask)))
|
1902 |
|
|
| (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
|
1903 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, hi16_value, address - 4);
|
1904 |
24 |
jeremybenn |
offset = (uvalue & 0xffff) << 1;
|
1905 |
|
|
contents = (contents & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
|
1906 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, contents, address);
|
1907 |
24 |
jeremybenn |
break;
|
1908 |
|
|
case R_SCORE_24:
|
1909 |
|
|
offset =
|
1910 |
|
|
(((contents & howto->src_mask) >> 1) & 0x1ff8000) | ((contents & howto->src_mask) & 0x7fff);
|
1911 |
|
|
offset += increment;
|
1912 |
|
|
contents =
|
1913 |
|
|
(contents & ~howto->
|
1914 |
|
|
src_mask) | (((offset << 1) & howto->src_mask) & 0x3ff0000) | (offset & 0x7fff);
|
1915 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, contents, address);
|
1916 |
24 |
jeremybenn |
break;
|
1917 |
225 |
jeremybenn |
|
1918 |
24 |
jeremybenn |
case R_SCORE16_11:
|
1919 |
|
|
|
1920 |
225 |
jeremybenn |
contents = score_bfd_get_16 (abfd, address);
|
1921 |
24 |
jeremybenn |
offset = contents & howto->src_mask;
|
1922 |
|
|
offset += increment;
|
1923 |
|
|
contents = (contents & ~howto->src_mask) | (offset & howto->src_mask);
|
1924 |
225 |
jeremybenn |
score_bfd_put_16 (abfd, contents, address);
|
1925 |
24 |
jeremybenn |
|
1926 |
|
|
break;
|
1927 |
|
|
case R_SCORE16_PC8:
|
1928 |
|
|
|
1929 |
225 |
jeremybenn |
contents = score_bfd_get_16 (abfd, address);
|
1930 |
|
|
offset = (contents & howto->src_mask) + ((increment >> 1) & 0x1ff);
|
1931 |
24 |
jeremybenn |
contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
|
1932 |
225 |
jeremybenn |
score_bfd_put_16 (abfd, contents, address);
|
1933 |
24 |
jeremybenn |
|
1934 |
|
|
break;
|
1935 |
225 |
jeremybenn |
|
1936 |
|
|
case R_SCORE_BCMP:
|
1937 |
|
|
contents = score_bfd_get_32 (abfd, address);
|
1938 |
|
|
offset = (contents & howto->src_mask);
|
1939 |
|
|
offset <<= howto->rightshift;
|
1940 |
|
|
offset += increment;
|
1941 |
|
|
offset >>= howto->rightshift;
|
1942 |
|
|
contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
|
1943 |
|
|
score_bfd_put_32 (abfd, contents, address);
|
1944 |
|
|
break;
|
1945 |
|
|
|
1946 |
|
|
case R_SCORE_IMM30:
|
1947 |
|
|
contents = score_bfd_get_48 (abfd, address);
|
1948 |
|
|
offset = (contents & howto->src_mask);
|
1949 |
|
|
offset <<= howto->rightshift;
|
1950 |
|
|
offset += increment;
|
1951 |
|
|
offset >>= howto->rightshift;
|
1952 |
|
|
contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
|
1953 |
|
|
score_bfd_put_48 (abfd, contents, address);
|
1954 |
|
|
break;
|
1955 |
|
|
|
1956 |
|
|
case R_SCORE_IMM32:
|
1957 |
|
|
contents = score_bfd_get_48 (abfd, address);
|
1958 |
|
|
offset = (contents & howto->src_mask);
|
1959 |
|
|
offset += increment;
|
1960 |
|
|
contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
|
1961 |
|
|
score_bfd_put_48 (abfd, contents, address);
|
1962 |
|
|
break;
|
1963 |
|
|
|
1964 |
24 |
jeremybenn |
default:
|
1965 |
|
|
addend += increment;
|
1966 |
|
|
contents = (contents & ~howto->dst_mask) | (addend & howto->dst_mask);
|
1967 |
225 |
jeremybenn |
score_bfd_put_32 (abfd, contents, address);
|
1968 |
24 |
jeremybenn |
break;
|
1969 |
|
|
}
|
1970 |
|
|
}
|
1971 |
|
|
|
1972 |
|
|
/* Perform a relocation as part of a final link. */
|
1973 |
|
|
static bfd_reloc_status_type
|
1974 |
|
|
score_elf_final_link_relocate (reloc_howto_type *howto,
|
1975 |
225 |
jeremybenn |
bfd *input_bfd,
|
1976 |
|
|
bfd *output_bfd,
|
1977 |
|
|
asection *input_section,
|
1978 |
|
|
bfd_byte *contents,
|
1979 |
|
|
Elf_Internal_Rela *rel,
|
1980 |
|
|
Elf_Internal_Rela *relocs,
|
1981 |
|
|
bfd_vma symbol,
|
1982 |
|
|
struct bfd_link_info *info,
|
1983 |
|
|
const char *sym_name ATTRIBUTE_UNUSED,
|
1984 |
|
|
int sym_flags ATTRIBUTE_UNUSED,
|
1985 |
|
|
struct score_elf_link_hash_entry *h,
|
1986 |
|
|
asection **local_sections,
|
1987 |
24 |
jeremybenn |
bfd_boolean gp_disp_p)
|
1988 |
|
|
{
|
1989 |
|
|
unsigned long r_type;
|
1990 |
|
|
unsigned long r_symndx;
|
1991 |
|
|
bfd_byte *hit_data = contents + rel->r_offset;
|
1992 |
|
|
bfd_vma addend;
|
1993 |
|
|
/* The final GP value to be used for the relocatable, executable, or
|
1994 |
|
|
shared object file being produced. */
|
1995 |
|
|
bfd_vma gp = MINUS_ONE;
|
1996 |
|
|
/* The place (section offset or address) of the storage unit being relocated. */
|
1997 |
|
|
bfd_vma rel_addr;
|
1998 |
|
|
/* The value of GP used to create the relocatable object. */
|
1999 |
|
|
bfd_vma gp0 = MINUS_ONE;
|
2000 |
|
|
/* The offset into the global offset table at which the address of the relocation entry
|
2001 |
|
|
symbol, adjusted by the addend, resides during execution. */
|
2002 |
|
|
bfd_vma g = MINUS_ONE;
|
2003 |
|
|
/* TRUE if the symbol referred to by this relocation is a local symbol. */
|
2004 |
|
|
bfd_boolean local_p;
|
2005 |
|
|
/* The eventual value we will relocate. */
|
2006 |
|
|
bfd_vma value = symbol;
|
2007 |
|
|
unsigned long hi16_addend, hi16_offset, hi16_value, uvalue, offset, abs_value = 0;
|
2008 |
|
|
|
2009 |
225 |
jeremybenn |
|
2010 |
24 |
jeremybenn |
if (elf_gp (output_bfd) == 0)
|
2011 |
|
|
{
|
2012 |
|
|
struct bfd_link_hash_entry *bh;
|
2013 |
|
|
asection *o;
|
2014 |
|
|
|
2015 |
|
|
bh = bfd_link_hash_lookup (info->hash, "_gp", 0, 0, 1);
|
2016 |
225 |
jeremybenn |
if (bh != NULL && bh->type == bfd_link_hash_defined)
|
2017 |
24 |
jeremybenn |
elf_gp (output_bfd) = (bh->u.def.value
|
2018 |
|
|
+ bh->u.def.section->output_section->vma
|
2019 |
|
|
+ bh->u.def.section->output_offset);
|
2020 |
|
|
else if (info->relocatable)
|
2021 |
|
|
{
|
2022 |
|
|
bfd_vma lo = -1;
|
2023 |
|
|
|
2024 |
|
|
/* Find the GP-relative section with the lowest offset. */
|
2025 |
225 |
jeremybenn |
for (o = output_bfd->sections; o != NULL; o = o->next)
|
2026 |
24 |
jeremybenn |
if (o->vma < lo)
|
2027 |
|
|
lo = o->vma;
|
2028 |
|
|
/* And calculate GP relative to that. */
|
2029 |
|
|
elf_gp (output_bfd) = lo + ELF_SCORE_GP_OFFSET (input_bfd);
|
2030 |
|
|
}
|
2031 |
|
|
else
|
2032 |
|
|
{
|
2033 |
|
|
/* If the relocate_section function needs to do a reloc
|
2034 |
|
|
involving the GP value, it should make a reloc_dangerous
|
2035 |
|
|
callback to warn that GP is not defined. */
|
2036 |
|
|
}
|
2037 |
|
|
}
|
2038 |
|
|
|
2039 |
|
|
/* Parse the relocation. */
|
2040 |
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
2041 |
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
2042 |
|
|
rel_addr = (input_section->output_section->vma + input_section->output_offset + rel->r_offset);
|
2043 |
225 |
jeremybenn |
local_p = score_elf_local_relocation_p (input_bfd, rel, local_sections, TRUE);
|
2044 |
24 |
jeremybenn |
|
2045 |
|
|
if (r_type == R_SCORE_GOT15)
|
2046 |
|
|
{
|
2047 |
|
|
const Elf_Internal_Rela *relend;
|
2048 |
|
|
const Elf_Internal_Rela *lo16_rel;
|
2049 |
|
|
const struct elf_backend_data *bed;
|
2050 |
|
|
bfd_vma lo_value = 0;
|
2051 |
|
|
|
2052 |
|
|
bed = get_elf_backend_data (output_bfd);
|
2053 |
|
|
relend = relocs + input_section->reloc_count * bed->s->int_rels_per_ext_rel;
|
2054 |
|
|
lo16_rel = score_elf_next_relocation (input_bfd, R_SCORE_GOT_LO16, rel, relend);
|
2055 |
|
|
if ((local_p) && (lo16_rel != NULL))
|
2056 |
225 |
jeremybenn |
{
|
2057 |
|
|
bfd_vma tmp = 0;
|
2058 |
|
|
tmp = score_bfd_get_32 (input_bfd, contents + lo16_rel->r_offset);
|
2059 |
|
|
lo_value = (((tmp >> 16) & 0x3) << 14) | ((tmp & 0x7fff) >> 1);
|
2060 |
|
|
}
|
2061 |
24 |
jeremybenn |
addend = lo_value;
|
2062 |
|
|
}
|
2063 |
225 |
jeremybenn |
/* For score3 R_SCORE_ABS32. */
|
2064 |
|
|
else if (r_type == R_SCORE_ABS32 || r_type == R_SCORE_REL32)
|
2065 |
24 |
jeremybenn |
{
|
2066 |
|
|
addend = (bfd_get_32 (input_bfd, hit_data) >> howto->bitpos) & howto->src_mask;
|
2067 |
|
|
}
|
2068 |
225 |
jeremybenn |
else
|
2069 |
|
|
{
|
2070 |
|
|
addend = (score_bfd_get_32 (input_bfd, hit_data) >> howto->bitpos) & howto->src_mask;
|
2071 |
|
|
}
|
2072 |
24 |
jeremybenn |
|
2073 |
|
|
/* If we haven't already determined the GOT offset, or the GP value,
|
2074 |
|
|
and we're going to need it, get it now. */
|
2075 |
|
|
switch (r_type)
|
2076 |
|
|
{
|
2077 |
|
|
case R_SCORE_CALL15:
|
2078 |
|
|
case R_SCORE_GOT15:
|
2079 |
|
|
if (!local_p)
|
2080 |
|
|
{
|
2081 |
|
|
g = score_elf_global_got_index (elf_hash_table (info)->dynobj,
|
2082 |
|
|
(struct elf_link_hash_entry *) h);
|
2083 |
|
|
if ((! elf_hash_table(info)->dynamic_sections_created
|
2084 |
|
|
|| (info->shared
|
2085 |
|
|
&& (info->symbolic || h->root.dynindx == -1)
|
2086 |
|
|
&& h->root.def_regular)))
|
2087 |
|
|
{
|
2088 |
|
|
/* This is a static link or a -Bsymbolic link. The
|
2089 |
|
|
symbol is defined locally, or was forced to be local.
|
2090 |
|
|
We must initialize this entry in the GOT. */
|
2091 |
|
|
bfd *tmpbfd = elf_hash_table (info)->dynobj;
|
2092 |
|
|
asection *sgot = score_elf_got_section (tmpbfd, FALSE);
|
2093 |
225 |
jeremybenn |
score_bfd_put_32 (tmpbfd, value, sgot->contents + g);
|
2094 |
24 |
jeremybenn |
}
|
2095 |
|
|
}
|
2096 |
|
|
else if (r_type == R_SCORE_GOT15 || r_type == R_SCORE_CALL15)
|
2097 |
|
|
{
|
2098 |
225 |
jeremybenn |
/* There's no need to create a local GOT entry here; the
|
2099 |
|
|
calculation for a local GOT15 entry does not involve G. */
|
2100 |
|
|
;
|
2101 |
|
|
}
|
2102 |
24 |
jeremybenn |
else
|
2103 |
|
|
{
|
2104 |
225 |
jeremybenn |
g = score_elf_local_got_index (output_bfd, input_bfd, info,
|
2105 |
24 |
jeremybenn |
symbol + addend, r_symndx, h, r_type);
|
2106 |
225 |
jeremybenn |
if (g == MINUS_ONE)
|
2107 |
|
|
return bfd_reloc_outofrange;
|
2108 |
24 |
jeremybenn |
}
|
2109 |
|
|
|
2110 |
|
|
/* Convert GOT indices to actual offsets. */
|
2111 |
|
|
g = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
|
2112 |
225 |
jeremybenn |
output_bfd, input_bfd, g);
|
2113 |
24 |
jeremybenn |
break;
|
2114 |
|
|
|
2115 |
|
|
case R_SCORE_HI16:
|
2116 |
|
|
case R_SCORE_LO16:
|
2117 |
|
|
case R_SCORE_GPREL32:
|
2118 |
|
|
gp0 = _bfd_get_gp_value (input_bfd);
|
2119 |
|
|
gp = _bfd_get_gp_value (output_bfd);
|
2120 |
|
|
break;
|
2121 |
|
|
|
2122 |
|
|
case R_SCORE_GP15:
|
2123 |
|
|
gp = _bfd_get_gp_value (output_bfd);
|
2124 |
|
|
|
2125 |
|
|
default:
|
2126 |
|
|
break;
|
2127 |
|
|
}
|
2128 |
|
|
|
2129 |
|
|
switch (r_type)
|
2130 |
|
|
{
|
2131 |
|
|
case R_SCORE_NONE:
|
2132 |
|
|
return bfd_reloc_ok;
|
2133 |
|
|
|
2134 |
|
|
case R_SCORE_ABS32:
|
2135 |
|
|
case R_SCORE_REL32:
|
2136 |
|
|
if ((info->shared
|
2137 |
225 |
jeremybenn |
|| (elf_hash_table (info)->dynamic_sections_created
|
2138 |
|
|
&& h != NULL
|
2139 |
|
|
&& h->root.def_dynamic
|
2140 |
|
|
&& !h->root.def_regular))
|
2141 |
|
|
&& r_symndx != 0
|
2142 |
|
|
&& (input_section->flags & SEC_ALLOC) != 0)
|
2143 |
|
|
{
|
2144 |
|
|
/* If we're creating a shared library, or this relocation is against a symbol
|
2145 |
24 |
jeremybenn |
in a shared library, then we can't know where the symbol will end up.
|
2146 |
|
|
So, we create a relocation record in the output, and leave the job up
|
2147 |
|
|
to the dynamic linker. */
|
2148 |
225 |
jeremybenn |
value = addend;
|
2149 |
|
|
if (!score_elf_create_dynamic_relocation (output_bfd, info, rel, h,
|
2150 |
|
|
symbol, &value,
|
2151 |
|
|
input_section))
|
2152 |
|
|
return bfd_reloc_undefined;
|
2153 |
|
|
}
|
2154 |
|
|
else if (r_symndx == 0)
|
2155 |
|
|
/* r_symndx will be zero only for relocs against symbols
|
2156 |
|
|
from removed linkonce sections, or sections discarded by
|
2157 |
|
|
a linker script. */
|
2158 |
|
|
value = 0;
|
2159 |
24 |
jeremybenn |
else
|
2160 |
225 |
jeremybenn |
{
|
2161 |
|
|
if (r_type != R_SCORE_REL32)
|
2162 |
|
|
value = symbol + addend;
|
2163 |
|
|
else
|
2164 |
|
|
value = addend;
|
2165 |
|
|
}
|
2166 |
24 |
jeremybenn |
value &= howto->dst_mask;
|
2167 |
|
|
bfd_put_32 (input_bfd, value, hit_data);
|
2168 |
|
|
return bfd_reloc_ok;
|
2169 |
|
|
|
2170 |
|
|
case R_SCORE_ABS16:
|
2171 |
|
|
value += addend;
|
2172 |
|
|
if ((long)value > 0x7fff || (long)value < -0x8000)
|
2173 |
|
|
return bfd_reloc_overflow;
|
2174 |
225 |
jeremybenn |
score_bfd_put_16 (input_bfd, value, hit_data);
|
2175 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2176 |
|
|
|
2177 |
|
|
case R_SCORE_24:
|
2178 |
225 |
jeremybenn |
addend = score_bfd_get_32 (input_bfd, hit_data);
|
2179 |
24 |
jeremybenn |
offset = (((addend & howto->src_mask) >> 1) & 0x1ff8000) | ((addend & howto->src_mask) & 0x7fff);
|
2180 |
|
|
if ((offset & 0x1000000) != 0)
|
2181 |
|
|
offset |= 0xfe000000;
|
2182 |
|
|
value += offset;
|
2183 |
225 |
jeremybenn |
abs_value = abs (value - rel_addr);
|
2184 |
|
|
if ((abs_value & 0xfe000000) != 0)
|
2185 |
|
|
return bfd_reloc_overflow;
|
2186 |
24 |
jeremybenn |
addend = (addend & ~howto->src_mask)
|
2187 |
|
|
| (((value << 1) & howto->src_mask) & 0x3ff0000) | (value & 0x7fff);
|
2188 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, addend, hit_data);
|
2189 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2190 |
|
|
|
2191 |
225 |
jeremybenn |
/* signed imm32. */
|
2192 |
|
|
case R_SCORE_IMM30:
|
2193 |
|
|
{
|
2194 |
|
|
int not_word_align_p = 0;
|
2195 |
|
|
bfd_vma imm_offset = 0;
|
2196 |
|
|
addend = score_bfd_get_48 (input_bfd, hit_data);
|
2197 |
|
|
imm_offset = ((addend >> 7) & 0xff)
|
2198 |
|
|
| (((addend >> 16) & 0x7fff) << 8)
|
2199 |
|
|
| (((addend >> 32) & 0x7f) << 23);
|
2200 |
|
|
imm_offset <<= howto->rightshift;
|
2201 |
|
|
value += imm_offset;
|
2202 |
|
|
value &= 0xffffffff;
|
2203 |
|
|
|
2204 |
|
|
/* Check lw48/sw48 rd, value/label word align. */
|
2205 |
|
|
if ((value & 0x3) != 0)
|
2206 |
|
|
not_word_align_p = 1;
|
2207 |
|
|
|
2208 |
|
|
value >>= howto->rightshift;
|
2209 |
|
|
addend = (addend & ~howto->src_mask)
|
2210 |
|
|
| (((value & 0xff) >> 0) << 7)
|
2211 |
|
|
| (((value & 0x7fff00) >> 8) << 16)
|
2212 |
|
|
| (((value & 0x3f800000) >> 23) << 32);
|
2213 |
|
|
score_bfd_put_48 (input_bfd, addend, hit_data);
|
2214 |
|
|
if (not_word_align_p)
|
2215 |
|
|
return bfd_reloc_other;
|
2216 |
|
|
else
|
2217 |
|
|
return bfd_reloc_ok;
|
2218 |
|
|
}
|
2219 |
|
|
|
2220 |
|
|
case R_SCORE_IMM32:
|
2221 |
|
|
{
|
2222 |
|
|
bfd_vma imm_offset = 0;
|
2223 |
|
|
addend = score_bfd_get_48 (input_bfd, hit_data);
|
2224 |
|
|
imm_offset = ((addend >> 5) & 0x3ff)
|
2225 |
|
|
| (((addend >> 16) & 0x7fff) << 10)
|
2226 |
|
|
| (((addend >> 32) & 0x7f) << 25);
|
2227 |
|
|
value += imm_offset;
|
2228 |
|
|
value &= 0xffffffff;
|
2229 |
|
|
addend = (addend & ~howto->src_mask)
|
2230 |
|
|
| ((value & 0x3ff) << 5)
|
2231 |
|
|
| (((value >> 10) & 0x7fff) << 16)
|
2232 |
|
|
| (((value >> 25) & 0x7f) << 32);
|
2233 |
|
|
score_bfd_put_48 (input_bfd, addend, hit_data);
|
2234 |
|
|
return bfd_reloc_ok;
|
2235 |
|
|
}
|
2236 |
|
|
|
2237 |
24 |
jeremybenn |
case R_SCORE_PC19:
|
2238 |
225 |
jeremybenn |
addend = score_bfd_get_32 (input_bfd, hit_data);
|
2239 |
24 |
jeremybenn |
offset = (((addend & howto->src_mask) & 0x3ff0000) >> 6) | ((addend & howto->src_mask) & 0x3ff);
|
2240 |
|
|
if ((offset & 0x80000) != 0)
|
2241 |
|
|
offset |= 0xfff00000;
|
2242 |
|
|
abs_value = value = value - rel_addr + offset;
|
2243 |
|
|
/* exceed 20 bit : overflow. */
|
2244 |
|
|
if ((abs_value & 0x80000000) == 0x80000000)
|
2245 |
|
|
abs_value = 0xffffffff - value + 1;
|
2246 |
|
|
if ((abs_value & 0xfff80000) != 0)
|
2247 |
|
|
return bfd_reloc_overflow;
|
2248 |
|
|
addend = (addend & ~howto->src_mask)
|
2249 |
|
|
| (((value << 6) & howto->src_mask) & 0x3ff0000) | (value & 0x3ff);
|
2250 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, addend, hit_data);
|
2251 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2252 |
|
|
|
2253 |
|
|
case R_SCORE16_11:
|
2254 |
225 |
jeremybenn |
addend = score_bfd_get_16 (input_bfd, hit_data);
|
2255 |
24 |
jeremybenn |
offset = addend & howto->src_mask;
|
2256 |
|
|
if ((offset & 0x800) != 0) /* Offset is negative. */
|
2257 |
|
|
offset |= 0xfffff000;
|
2258 |
|
|
value += offset;
|
2259 |
225 |
jeremybenn |
abs_value = abs (value - rel_addr);
|
2260 |
|
|
if ((abs_value & 0xfffff000) != 0)
|
2261 |
|
|
return bfd_reloc_overflow;
|
2262 |
24 |
jeremybenn |
addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
|
2263 |
225 |
jeremybenn |
score_bfd_put_16 (input_bfd, addend, hit_data);
|
2264 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2265 |
|
|
|
2266 |
|
|
case R_SCORE16_PC8:
|
2267 |
225 |
jeremybenn |
addend = score_bfd_get_16 (input_bfd, hit_data);
|
2268 |
24 |
jeremybenn |
offset = (addend & howto->src_mask) << 1;
|
2269 |
225 |
jeremybenn |
if ((offset & 0x200) != 0) /* Offset is negative. */
|
2270 |
24 |
jeremybenn |
offset |= 0xfffffe00;
|
2271 |
|
|
abs_value = value = value - rel_addr + offset;
|
2272 |
|
|
/* Sign bit + exceed 9 bit. */
|
2273 |
225 |
jeremybenn |
if (((value & 0xfffffe00) != 0) && ((value & 0xfffffe00) != 0xfffffe00))
|
2274 |
24 |
jeremybenn |
return bfd_reloc_overflow;
|
2275 |
|
|
value >>= 1;
|
2276 |
|
|
addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
|
2277 |
225 |
jeremybenn |
score_bfd_put_16 (input_bfd, addend, hit_data);
|
2278 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2279 |
|
|
|
2280 |
225 |
jeremybenn |
case R_SCORE_BCMP:
|
2281 |
|
|
addend = score_bfd_get_32 (input_bfd, hit_data);
|
2282 |
|
|
offset = (addend & howto->src_mask) << howto->rightshift;
|
2283 |
|
|
if ((offset & 0x200) != 0) /* Offset is negative. */
|
2284 |
|
|
offset |= 0xfffffe00;
|
2285 |
|
|
value = value - rel_addr + offset;
|
2286 |
|
|
/* Sign bit + exceed 9 bit. */
|
2287 |
|
|
if (((value & 0xfffffe00) != 0) && ((value & 0xfffffe00) != 0xfffffe00))
|
2288 |
|
|
return bfd_reloc_overflow;
|
2289 |
|
|
value >>= howto->rightshift;
|
2290 |
|
|
addend = (addend & ~howto->src_mask)
|
2291 |
|
|
| (value & 0x1)
|
2292 |
|
|
| (((value >> 1) & 0x7) << 7)
|
2293 |
|
|
| (((value >> 4) & 0x1f) << 21);
|
2294 |
|
|
score_bfd_put_32 (input_bfd, addend, hit_data);
|
2295 |
|
|
return bfd_reloc_ok;
|
2296 |
|
|
|
2297 |
24 |
jeremybenn |
case R_SCORE_HI16:
|
2298 |
|
|
return bfd_reloc_ok;
|
2299 |
|
|
|
2300 |
|
|
case R_SCORE_LO16:
|
2301 |
225 |
jeremybenn |
hi16_addend = score_bfd_get_32 (input_bfd, hit_data - 4);
|
2302 |
24 |
jeremybenn |
hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
|
2303 |
225 |
jeremybenn |
addend = score_bfd_get_32 (input_bfd, hit_data);
|
2304 |
24 |
jeremybenn |
offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
|
2305 |
|
|
offset = (hi16_offset << 16) | (offset & 0xffff);
|
2306 |
|
|
|
2307 |
|
|
if (!gp_disp_p)
|
2308 |
225 |
jeremybenn |
uvalue = value + offset;
|
2309 |
24 |
jeremybenn |
else
|
2310 |
225 |
jeremybenn |
uvalue = offset + gp - rel_addr + 4;
|
2311 |
24 |
jeremybenn |
|
2312 |
|
|
hi16_offset = (uvalue >> 16) << 1;
|
2313 |
|
|
hi16_value = (hi16_addend & (~(howto->dst_mask)))
|
2314 |
|
|
| (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
|
2315 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, hi16_value, hit_data - 4);
|
2316 |
24 |
jeremybenn |
offset = (uvalue & 0xffff) << 1;
|
2317 |
|
|
value = (addend & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
|
2318 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, value, hit_data);
|
2319 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2320 |
|
|
|
2321 |
|
|
case R_SCORE_GP15:
|
2322 |
225 |
jeremybenn |
addend = score_bfd_get_32 (input_bfd, hit_data);
|
2323 |
24 |
jeremybenn |
offset = addend & 0x7fff;
|
2324 |
|
|
if ((offset & 0x4000) == 0x4000)
|
2325 |
|
|
offset |= 0xffffc000;
|
2326 |
|
|
value = value + offset - gp;
|
2327 |
|
|
if (((value & 0xffffc000) != 0) && ((value & 0xffffc000) != 0xffffc000))
|
2328 |
|
|
return bfd_reloc_overflow;
|
2329 |
|
|
value = (addend & ~howto->src_mask) | (value & howto->src_mask);
|
2330 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, value, hit_data);
|
2331 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2332 |
|
|
|
2333 |
|
|
case R_SCORE_GOT15:
|
2334 |
|
|
case R_SCORE_CALL15:
|
2335 |
|
|
if (local_p)
|
2336 |
225 |
jeremybenn |
{
|
2337 |
|
|
bfd_boolean forced;
|
2338 |
24 |
jeremybenn |
|
2339 |
225 |
jeremybenn |
/* The special case is when the symbol is forced to be local. We need the
|
2340 |
24 |
jeremybenn |
full address in the GOT since no R_SCORE_GOT_LO16 relocation follows. */
|
2341 |
225 |
jeremybenn |
forced = ! score_elf_local_relocation_p (input_bfd, rel,
|
2342 |
|
|
local_sections, FALSE);
|
2343 |
|
|
value = score_elf_got16_entry (output_bfd, input_bfd, info,
|
2344 |
|
|
symbol + addend, forced);
|
2345 |
|
|
if (value == MINUS_ONE)
|
2346 |
|
|
return bfd_reloc_outofrange;
|
2347 |
|
|
value = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
|
2348 |
|
|
output_bfd, input_bfd, value);
|
2349 |
|
|
}
|
2350 |
24 |
jeremybenn |
else
|
2351 |
225 |
jeremybenn |
{
|
2352 |
|
|
value = g;
|
2353 |
|
|
}
|
2354 |
24 |
jeremybenn |
|
2355 |
|
|
if ((long) value > 0x3fff || (long) value < -0x4000)
|
2356 |
|
|
return bfd_reloc_overflow;
|
2357 |
|
|
|
2358 |
225 |
jeremybenn |
addend = score_bfd_get_32 (input_bfd, hit_data);
|
2359 |
24 |
jeremybenn |
value = (addend & ~howto->dst_mask) | (value & howto->dst_mask);
|
2360 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, value, hit_data);
|
2361 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2362 |
|
|
|
2363 |
|
|
case R_SCORE_GPREL32:
|
2364 |
|
|
value = (addend + symbol - gp);
|
2365 |
|
|
value &= howto->dst_mask;
|
2366 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, value, hit_data);
|
2367 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2368 |
|
|
|
2369 |
|
|
case R_SCORE_GOT_LO16:
|
2370 |
225 |
jeremybenn |
addend = score_bfd_get_32 (input_bfd, hit_data);
|
2371 |
24 |
jeremybenn |
value = (((addend >> 16) & 0x3) << 14) | ((addend & 0x7fff) >> 1);
|
2372 |
|
|
value += symbol;
|
2373 |
225 |
jeremybenn |
value = (addend & (~(howto->dst_mask))) | ((value & 0x3fff) << 1)
|
2374 |
24 |
jeremybenn |
| (((value >> 14) & 0x3) << 16);
|
2375 |
|
|
|
2376 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, value, hit_data);
|
2377 |
24 |
jeremybenn |
return bfd_reloc_ok;
|
2378 |
|
|
|
2379 |
|
|
case R_SCORE_DUMMY_HI16:
|
2380 |
|
|
return bfd_reloc_ok;
|
2381 |
|
|
|
2382 |
|
|
case R_SCORE_GNU_VTINHERIT:
|
2383 |
|
|
case R_SCORE_GNU_VTENTRY:
|
2384 |
|
|
/* We don't do anything with these at present. */
|
2385 |
|
|
return bfd_reloc_continue;
|
2386 |
|
|
|
2387 |
|
|
default:
|
2388 |
|
|
return bfd_reloc_notsupported;
|
2389 |
|
|
}
|
2390 |
|
|
}
|
2391 |
|
|
|
2392 |
|
|
/* Score backend functions. */
|
2393 |
|
|
static void
|
2394 |
225 |
jeremybenn |
s3_bfd_score_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
2395 |
|
|
arelent *bfd_reloc,
|
2396 |
|
|
Elf_Internal_Rela *elf_reloc)
|
2397 |
24 |
jeremybenn |
{
|
2398 |
|
|
unsigned int r_type;
|
2399 |
|
|
|
2400 |
|
|
r_type = ELF32_R_TYPE (elf_reloc->r_info);
|
2401 |
225 |
jeremybenn |
if (r_type >= ARRAY_SIZE (elf32_score_howto_table))
|
2402 |
24 |
jeremybenn |
bfd_reloc->howto = NULL;
|
2403 |
|
|
else
|
2404 |
|
|
bfd_reloc->howto = &elf32_score_howto_table[r_type];
|
2405 |
|
|
}
|
2406 |
|
|
|
2407 |
|
|
/* Relocate an score ELF section. */
|
2408 |
|
|
static bfd_boolean
|
2409 |
225 |
jeremybenn |
s3_bfd_score_elf_relocate_section (bfd *output_bfd,
|
2410 |
|
|
struct bfd_link_info *info,
|
2411 |
|
|
bfd *input_bfd,
|
2412 |
|
|
asection *input_section,
|
2413 |
|
|
bfd_byte *contents,
|
2414 |
|
|
Elf_Internal_Rela *relocs,
|
2415 |
|
|
Elf_Internal_Sym *local_syms,
|
2416 |
|
|
asection **local_sections)
|
2417 |
24 |
jeremybenn |
{
|
2418 |
|
|
Elf_Internal_Shdr *symtab_hdr;
|
2419 |
|
|
struct elf_link_hash_entry **sym_hashes;
|
2420 |
|
|
Elf_Internal_Rela *rel;
|
2421 |
|
|
Elf_Internal_Rela *relend;
|
2422 |
|
|
const char *name;
|
2423 |
|
|
unsigned long offset;
|
2424 |
|
|
unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
|
2425 |
|
|
size_t extsymoff;
|
2426 |
|
|
bfd_boolean gp_disp_p = FALSE;
|
2427 |
|
|
|
2428 |
|
|
/* Sort dynsym. */
|
2429 |
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
2430 |
|
|
{
|
2431 |
|
|
bfd_size_type dynsecsymcount = 0;
|
2432 |
|
|
if (info->shared)
|
2433 |
225 |
jeremybenn |
{
|
2434 |
|
|
asection * p;
|
2435 |
|
|
const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
|
2436 |
24 |
jeremybenn |
|
2437 |
225 |
jeremybenn |
for (p = output_bfd->sections; p ; p = p->next)
|
2438 |
|
|
if ((p->flags & SEC_EXCLUDE) == 0
|
2439 |
|
|
&& (p->flags & SEC_ALLOC) != 0
|
2440 |
|
|
&& !(*bed->elf_backend_omit_section_dynsym) (output_bfd, info, p))
|
2441 |
|
|
++ dynsecsymcount;
|
2442 |
|
|
}
|
2443 |
24 |
jeremybenn |
|
2444 |
|
|
if (!score_elf_sort_hash_table (info, dynsecsymcount + 1))
|
2445 |
225 |
jeremybenn |
return FALSE;
|
2446 |
24 |
jeremybenn |
}
|
2447 |
|
|
|
2448 |
|
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
2449 |
225 |
jeremybenn |
extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
|
2450 |
24 |
jeremybenn |
sym_hashes = elf_sym_hashes (input_bfd);
|
2451 |
|
|
rel = relocs;
|
2452 |
|
|
relend = relocs + input_section->reloc_count;
|
2453 |
|
|
for (; rel < relend; rel++)
|
2454 |
|
|
{
|
2455 |
|
|
int r_type;
|
2456 |
|
|
reloc_howto_type *howto;
|
2457 |
|
|
unsigned long r_symndx;
|
2458 |
|
|
Elf_Internal_Sym *sym;
|
2459 |
|
|
asection *sec;
|
2460 |
|
|
struct score_elf_link_hash_entry *h;
|
2461 |
|
|
bfd_vma relocation = 0;
|
2462 |
|
|
bfd_reloc_status_type r;
|
2463 |
|
|
arelent bfd_reloc;
|
2464 |
|
|
|
2465 |
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
2466 |
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
2467 |
|
|
|
2468 |
225 |
jeremybenn |
s3_bfd_score_info_to_howto (input_bfd, &bfd_reloc, (Elf_Internal_Rela *) rel);
|
2469 |
24 |
jeremybenn |
howto = bfd_reloc.howto;
|
2470 |
|
|
|
2471 |
|
|
h = NULL;
|
2472 |
|
|
sym = NULL;
|
2473 |
|
|
sec = NULL;
|
2474 |
|
|
|
2475 |
|
|
if (r_symndx < extsymoff)
|
2476 |
|
|
{
|
2477 |
|
|
sym = local_syms + r_symndx;
|
2478 |
|
|
sec = local_sections[r_symndx];
|
2479 |
|
|
relocation = (sec->output_section->vma
|
2480 |
225 |
jeremybenn |
+ sec->output_offset
|
2481 |
|
|
+ sym->st_value);
|
2482 |
24 |
jeremybenn |
name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
|
2483 |
|
|
|
2484 |
|
|
if (!info->relocatable
|
2485 |
225 |
jeremybenn |
&& (sec->flags & SEC_MERGE)
|
2486 |
|
|
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
2487 |
24 |
jeremybenn |
{
|
2488 |
|
|
asection *msec;
|
2489 |
|
|
bfd_vma addend, value;
|
2490 |
|
|
|
2491 |
|
|
switch (r_type)
|
2492 |
|
|
{
|
2493 |
|
|
case R_SCORE_HI16:
|
2494 |
|
|
break;
|
2495 |
|
|
case R_SCORE_LO16:
|
2496 |
225 |
jeremybenn |
hi16_addend = score_bfd_get_32 (input_bfd, contents + rel->r_offset - 4);
|
2497 |
24 |
jeremybenn |
hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
|
2498 |
225 |
jeremybenn |
value = score_bfd_get_32 (input_bfd, contents + rel->r_offset);
|
2499 |
24 |
jeremybenn |
offset = ((((value >> 16) & 0x3) << 15) | (value & 0x7fff)) >> 1;
|
2500 |
|
|
addend = (hi16_offset << 16) | (offset & 0xffff);
|
2501 |
|
|
msec = sec;
|
2502 |
|
|
addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
|
2503 |
|
|
addend -= relocation;
|
2504 |
|
|
addend += msec->output_section->vma + msec->output_offset;
|
2505 |
|
|
uvalue = addend;
|
2506 |
|
|
hi16_offset = (uvalue >> 16) << 1;
|
2507 |
|
|
hi16_value = (hi16_addend & (~(howto->dst_mask)))
|
2508 |
|
|
| (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
|
2509 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, hi16_value, contents + rel->r_offset - 4);
|
2510 |
24 |
jeremybenn |
offset = (uvalue & 0xffff) << 1;
|
2511 |
|
|
value = (value & (~(howto->dst_mask)))
|
2512 |
|
|
| (offset & 0x7fff) | ((offset << 1) & 0x30000);
|
2513 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, value, contents + rel->r_offset);
|
2514 |
24 |
jeremybenn |
break;
|
2515 |
225 |
jeremybenn |
|
2516 |
|
|
case R_SCORE_IMM32:
|
2517 |
|
|
{
|
2518 |
|
|
value = score_bfd_get_48 (input_bfd, contents + rel->r_offset);
|
2519 |
|
|
addend = ((value >> 5) & 0x3ff)
|
2520 |
|
|
| (((value >> 16) & 0x7fff) << 10)
|
2521 |
|
|
| (((value >> 32) & 0x7f) << 25);
|
2522 |
|
|
msec = sec;
|
2523 |
|
|
addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
|
2524 |
|
|
addend -= relocation;
|
2525 |
|
|
addend += msec->output_section->vma + msec->output_offset;
|
2526 |
|
|
addend &= 0xffffffff;
|
2527 |
|
|
value = (value & ~howto->src_mask)
|
2528 |
|
|
| ((addend & 0x3ff) << 5)
|
2529 |
|
|
| (((addend >> 10) & 0x7fff) << 16)
|
2530 |
|
|
| (((addend >> 25) & 0x7f) << 32);
|
2531 |
|
|
score_bfd_put_48 (input_bfd, value, contents + rel->r_offset);
|
2532 |
|
|
break;
|
2533 |
|
|
}
|
2534 |
|
|
|
2535 |
|
|
case R_SCORE_IMM30:
|
2536 |
|
|
{
|
2537 |
|
|
int not_word_align_p = 0;
|
2538 |
|
|
value = score_bfd_get_48 (input_bfd, contents + rel->r_offset);
|
2539 |
|
|
addend = ((value >> 7) & 0xff)
|
2540 |
|
|
| (((value >> 16) & 0x7fff) << 8)
|
2541 |
|
|
| (((value >> 32) & 0x7f) << 23);
|
2542 |
|
|
addend <<= howto->rightshift;
|
2543 |
|
|
msec = sec;
|
2544 |
|
|
addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
|
2545 |
|
|
addend -= relocation;
|
2546 |
|
|
addend += msec->output_section->vma + msec->output_offset;
|
2547 |
|
|
addend &= 0xffffffff;
|
2548 |
|
|
|
2549 |
|
|
/* Check lw48/sw48 rd, value/label word align. */
|
2550 |
|
|
if ((addend & 0x3) != 0)
|
2551 |
|
|
not_word_align_p = 1;
|
2552 |
|
|
|
2553 |
|
|
addend >>= howto->rightshift;
|
2554 |
|
|
value = (value & ~howto->src_mask)
|
2555 |
|
|
| (((addend & 0xff) >> 0) << 7)
|
2556 |
|
|
| (((addend & 0x7fff00) >> 8) << 16)
|
2557 |
|
|
| (((addend & 0x3f800000) >> 23) << 32);
|
2558 |
|
|
score_bfd_put_48 (input_bfd, value, contents + rel->r_offset);
|
2559 |
|
|
|
2560 |
|
|
if (not_word_align_p)
|
2561 |
|
|
return bfd_reloc_other;
|
2562 |
|
|
else
|
2563 |
|
|
break;
|
2564 |
|
|
}
|
2565 |
|
|
|
2566 |
24 |
jeremybenn |
case R_SCORE_GOT_LO16:
|
2567 |
225 |
jeremybenn |
value = score_bfd_get_32 (input_bfd, contents + rel->r_offset);
|
2568 |
24 |
jeremybenn |
addend = (((value >> 16) & 0x3) << 14) | ((value & 0x7fff) >> 1);
|
2569 |
|
|
msec = sec;
|
2570 |
|
|
addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
|
2571 |
|
|
addend += msec->output_section->vma + msec->output_offset;
|
2572 |
|
|
value = (value & (~(howto->dst_mask))) | ((addend & 0x3fff) << 1)
|
2573 |
|
|
| (((addend >> 14) & 0x3) << 16);
|
2574 |
|
|
|
2575 |
225 |
jeremybenn |
score_bfd_put_32 (input_bfd, value, contents + rel->r_offset);
|
2576 |
24 |
jeremybenn |
break;
|
2577 |
225 |
jeremybenn |
|
2578 |
|
|
case R_SCORE_ABS32:
|
2579 |
|
|
case R_SCORE_REL32:
|
2580 |
24 |
jeremybenn |
value = bfd_get_32 (input_bfd, contents + rel->r_offset);
|
2581 |
|
|
/* Get the (signed) value from the instruction. */
|
2582 |
|
|
addend = value & howto->src_mask;
|
2583 |
|
|
if (addend & ((howto->src_mask + 1) >> 1))
|
2584 |
|
|
{
|
2585 |
|
|
bfd_signed_vma mask;
|
2586 |
|
|
|
2587 |
|
|
mask = -1;
|
2588 |
|
|
mask &= ~howto->src_mask;
|
2589 |
|
|
addend |= mask;
|
2590 |
|
|
}
|
2591 |
|
|
msec = sec;
|
2592 |
|
|
addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
|
2593 |
|
|
addend += msec->output_section->vma + msec->output_offset;
|
2594 |
|
|
value = (value & ~howto->dst_mask) | (addend & howto->dst_mask);
|
2595 |
|
|
bfd_put_32 (input_bfd, value, contents + rel->r_offset);
|
2596 |
|
|
break;
|
2597 |
225 |
jeremybenn |
|
2598 |
|
|
default:
|
2599 |
|
|
value = score_bfd_get_32 (input_bfd, contents + rel->r_offset);
|
2600 |
|
|
/* Get the (signed) value from the instruction. */
|
2601 |
|
|
addend = value & howto->src_mask;
|
2602 |
|
|
if (addend & ((howto->src_mask + 1) >> 1))
|
2603 |
|
|
{
|
2604 |
|
|
bfd_signed_vma mask;
|
2605 |
|
|
|
2606 |
|
|
mask = -1;
|
2607 |
|
|
mask &= ~howto->src_mask;
|
2608 |
|
|
addend |= mask;
|
2609 |
|
|
}
|
2610 |
|
|
msec = sec;
|
2611 |
|
|
addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
|
2612 |
|
|
addend += msec->output_section->vma + msec->output_offset;
|
2613 |
|
|
value = (value & ~howto->dst_mask) | (addend & howto->dst_mask);
|
2614 |
|
|
score_bfd_put_32 (input_bfd, value, contents + rel->r_offset);
|
2615 |
|
|
break;
|
2616 |
24 |
jeremybenn |
}
|
2617 |
|
|
}
|
2618 |
|
|
}
|
2619 |
|
|
else
|
2620 |
|
|
{
|
2621 |
225 |
jeremybenn |
/* For global symbols we look up the symbol in the hash-table. */
|
2622 |
|
|
h = ((struct score_elf_link_hash_entry *)
|
2623 |
|
|
elf_sym_hashes (input_bfd) [r_symndx - extsymoff]);
|
2624 |
|
|
/* Find the real hash-table entry for this symbol. */
|
2625 |
|
|
while (h->root.root.type == bfd_link_hash_indirect
|
2626 |
|
|
|| h->root.root.type == bfd_link_hash_warning)
|
2627 |
|
|
h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
|
2628 |
24 |
jeremybenn |
|
2629 |
225 |
jeremybenn |
/* Record the name of this symbol, for our caller. */
|
2630 |
|
|
name = h->root.root.root.string;
|
2631 |
24 |
jeremybenn |
|
2632 |
225 |
jeremybenn |
/* See if this is the special GP_DISP_LABEL symbol. Note that such a
|
2633 |
|
|
symbol must always be a global symbol. */
|
2634 |
|
|
if (strcmp (name, GP_DISP_LABEL) == 0)
|
2635 |
|
|
{
|
2636 |
|
|
/* Relocations against GP_DISP_LABEL are permitted only with
|
2637 |
|
|
R_SCORE_HI16 and R_SCORE_LO16 relocations. */
|
2638 |
|
|
if (r_type != R_SCORE_HI16 && r_type != R_SCORE_LO16)
|
2639 |
|
|
return bfd_reloc_notsupported;
|
2640 |
24 |
jeremybenn |
|
2641 |
225 |
jeremybenn |
gp_disp_p = TRUE;
|
2642 |
|
|
}
|
2643 |
24 |
jeremybenn |
|
2644 |
225 |
jeremybenn |
/* If this symbol is defined, calculate its address. Note that
|
2645 |
|
|
GP_DISP_LABEL is a magic symbol, always implicitly defined by the
|
2646 |
|
|
linker, so it's inappropriate to check to see whether or not
|
2647 |
|
|
its defined. */
|
2648 |
|
|
else if ((h->root.root.type == bfd_link_hash_defined
|
2649 |
|
|
|| h->root.root.type == bfd_link_hash_defweak)
|
2650 |
|
|
&& h->root.root.u.def.section)
|
2651 |
|
|
{
|
2652 |
|
|
sec = h->root.root.u.def.section;
|
2653 |
|
|
if (sec->output_section)
|
2654 |
|
|
relocation = (h->root.root.u.def.value
|
2655 |
|
|
+ sec->output_section->vma
|
2656 |
|
|
+ sec->output_offset);
|
2657 |
|
|
else
|
2658 |
|
|
{
|
2659 |
|
|
relocation = h->root.root.u.def.value;
|
2660 |
|
|
}
|
2661 |
|
|
}
|
2662 |
|
|
else if (h->root.root.type == bfd_link_hash_undefweak)
|
2663 |
|
|
/* We allow relocations against undefined weak symbols, giving
|
2664 |
|
|
it the value zero, so that you can undefined weak functions
|
2665 |
|
|
and check to see if they exist by looking at their addresses. */
|
2666 |
|
|
relocation = 0;
|
2667 |
|
|
else if (info->unresolved_syms_in_objects == RM_IGNORE
|
2668 |
|
|
&& ELF_ST_VISIBILITY (h->root.other) == STV_DEFAULT)
|
2669 |
|
|
relocation = 0;
|
2670 |
|
|
else if (strcmp (name, "_DYNAMIC_LINK") == 0)
|
2671 |
|
|
{
|
2672 |
|
|
/* If this is a dynamic link, we should have created a _DYNAMIC_LINK symbol
|
2673 |
|
|
in s3_bfd_score_elf_create_dynamic_sections. Otherwise, we should define
|
2674 |
24 |
jeremybenn |
the symbol with a value of 0. */
|
2675 |
225 |
jeremybenn |
BFD_ASSERT (! info->shared);
|
2676 |
|
|
BFD_ASSERT (bfd_get_section_by_name (output_bfd, ".dynamic") == NULL);
|
2677 |
|
|
relocation = 0;
|
2678 |
|
|
}
|
2679 |
|
|
else if (!info->relocatable)
|
2680 |
|
|
{
|
2681 |
|
|
if (! ((*info->callbacks->undefined_symbol)
|
2682 |
|
|
(info, h->root.root.root.string, input_bfd,
|
2683 |
|
|
input_section, rel->r_offset,
|
2684 |
|
|
(info->unresolved_syms_in_objects == RM_GENERATE_ERROR)
|
2685 |
|
|
|| ELF_ST_VISIBILITY (h->root.other))))
|
2686 |
|
|
return bfd_reloc_undefined;
|
2687 |
|
|
relocation = 0;
|
2688 |
|
|
}
|
2689 |
24 |
jeremybenn |
}
|
2690 |
|
|
|
2691 |
|
|
if (sec != NULL && elf_discarded_section (sec))
|
2692 |
225 |
jeremybenn |
{
|
2693 |
|
|
/* For relocs against symbols from removed linkonce sections,
|
2694 |
|
|
or sections discarded by a linker script, we just want the
|
2695 |
|
|
section contents zeroed. Avoid any special processing. */
|
2696 |
|
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
2697 |
|
|
rel->r_info = 0;
|
2698 |
|
|
rel->r_addend = 0;
|
2699 |
|
|
continue;
|
2700 |
|
|
}
|
2701 |
24 |
jeremybenn |
|
2702 |
|
|
if (info->relocatable)
|
2703 |
|
|
{
|
2704 |
|
|
/* This is a relocatable link. We don't have to change
|
2705 |
|
|
anything, unless the reloc is against a section symbol,
|
2706 |
|
|
in which case we have to adjust according to where the
|
2707 |
|
|
section symbol winds up in the output section. */
|
2708 |
225 |
jeremybenn |
if (r_symndx < symtab_hdr->sh_info)
|
2709 |
|
|
{
|
2710 |
|
|
sym = local_syms + r_symndx;
|
2711 |
|
|
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
2712 |
|
|
{
|
2713 |
|
|
sec = local_sections[r_symndx];
|
2714 |
|
|
score_elf_add_to_rel (input_bfd, contents + rel->r_offset,
|
2715 |
|
|
howto, (bfd_signed_vma) (sec->output_offset + sym->st_value));
|
2716 |
|
|
}
|
2717 |
|
|
}
|
2718 |
24 |
jeremybenn |
continue;
|
2719 |
|
|
}
|
2720 |
|
|
|
2721 |
225 |
jeremybenn |
/* This is a final link. */
|
2722 |
24 |
jeremybenn |
r = score_elf_final_link_relocate (howto, input_bfd, output_bfd,
|
2723 |
|
|
input_section, contents, rel, relocs,
|
2724 |
|
|
relocation, info, name,
|
2725 |
|
|
(h ? ELF_ST_TYPE ((unsigned int)h->root.root.type) :
|
2726 |
225 |
jeremybenn |
ELF_ST_TYPE ((unsigned int)sym->st_info)), h, local_sections,
|
2727 |
24 |
jeremybenn |
gp_disp_p);
|
2728 |
|
|
|
2729 |
|
|
if (r != bfd_reloc_ok)
|
2730 |
|
|
{
|
2731 |
|
|
const char *msg = (const char *)0;
|
2732 |
|
|
|
2733 |
|
|
switch (r)
|
2734 |
|
|
{
|
2735 |
|
|
case bfd_reloc_overflow:
|
2736 |
|
|
/* If the overflowing reloc was to an undefined symbol,
|
2737 |
|
|
we have already printed one error message and there
|
2738 |
|
|
is no point complaining again. */
|
2739 |
|
|
if (((!h) || (h->root.root.type != bfd_link_hash_undefined))
|
2740 |
|
|
&& (!((*info->callbacks->reloc_overflow)
|
2741 |
|
|
(info, NULL, name, howto->name, (bfd_vma) 0,
|
2742 |
|
|
input_bfd, input_section, rel->r_offset))))
|
2743 |
|
|
return FALSE;
|
2744 |
|
|
break;
|
2745 |
|
|
case bfd_reloc_undefined:
|
2746 |
|
|
if (!((*info->callbacks->undefined_symbol)
|
2747 |
|
|
(info, name, input_bfd, input_section, rel->r_offset, TRUE)))
|
2748 |
|
|
return FALSE;
|
2749 |
|
|
break;
|
2750 |
|
|
|
2751 |
|
|
case bfd_reloc_outofrange:
|
2752 |
|
|
msg = _("internal error: out of range error");
|
2753 |
|
|
goto common_error;
|
2754 |
|
|
|
2755 |
|
|
case bfd_reloc_notsupported:
|
2756 |
|
|
msg = _("internal error: unsupported relocation error");
|
2757 |
|
|
goto common_error;
|
2758 |
|
|
|
2759 |
|
|
case bfd_reloc_dangerous:
|
2760 |
|
|
msg = _("internal error: dangerous error");
|
2761 |
|
|
goto common_error;
|
2762 |
|
|
|
2763 |
225 |
jeremybenn |
/* Use bfd_reloc_other to check lw48, sw48 word align. */
|
2764 |
|
|
case bfd_reloc_other:
|
2765 |
|
|
msg = _("address not word align");
|
2766 |
|
|
goto common_error;
|
2767 |
|
|
|
2768 |
24 |
jeremybenn |
default:
|
2769 |
|
|
msg = _("internal error: unknown error");
|
2770 |
|
|
/* fall through */
|
2771 |
|
|
|
2772 |
|
|
common_error:
|
2773 |
|
|
if (!((*info->callbacks->warning)
|
2774 |
|
|
(info, msg, name, input_bfd, input_section, rel->r_offset)))
|
2775 |
|
|
return FALSE;
|
2776 |
|
|
break;
|
2777 |
|
|
}
|
2778 |
|
|
}
|
2779 |
|
|
}
|
2780 |
|
|
|
2781 |
|
|
return TRUE;
|
2782 |
|
|
}
|
2783 |
|
|
|
2784 |
|
|
/* Look through the relocs for a section during the first phase, and
|
2785 |
|
|
allocate space in the global offset table. */
|
2786 |
|
|
static bfd_boolean
|
2787 |
225 |
jeremybenn |
s3_bfd_score_elf_check_relocs (bfd *abfd,
|
2788 |
|
|
struct bfd_link_info *info,
|
2789 |
|
|
asection *sec,
|
2790 |
|
|
const Elf_Internal_Rela *relocs)
|
2791 |
24 |
jeremybenn |
{
|
2792 |
|
|
const char *name;
|
2793 |
|
|
bfd *dynobj;
|
2794 |
|
|
Elf_Internal_Shdr *symtab_hdr;
|
2795 |
|
|
struct elf_link_hash_entry **sym_hashes;
|
2796 |
|
|
struct score_got_info *g;
|
2797 |
|
|
size_t extsymoff;
|
2798 |
|
|
const Elf_Internal_Rela *rel;
|
2799 |
|
|
const Elf_Internal_Rela *rel_end;
|
2800 |
|
|
asection *sgot;
|
2801 |
|
|
asection *sreloc;
|
2802 |
|
|
const struct elf_backend_data *bed;
|
2803 |
|
|
|
2804 |
|
|
if (info->relocatable)
|
2805 |
|
|
return TRUE;
|
2806 |
|
|
|
2807 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
2808 |
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
2809 |
|
|
sym_hashes = elf_sym_hashes (abfd);
|
2810 |
225 |
jeremybenn |
extsymoff = (elf_bad_symtab (abfd)) ? 0 : symtab_hdr->sh_info;
|
2811 |
24 |
jeremybenn |
|
2812 |
|
|
name = bfd_get_section_name (abfd, sec);
|
2813 |
|
|
|
2814 |
|
|
if (dynobj == NULL)
|
2815 |
|
|
{
|
2816 |
|
|
sgot = NULL;
|
2817 |
|
|
g = NULL;
|
2818 |
|
|
}
|
2819 |
|
|
else
|
2820 |
|
|
{
|
2821 |
|
|
sgot = score_elf_got_section (dynobj, FALSE);
|
2822 |
|
|
if (sgot == NULL)
|
2823 |
|
|
g = NULL;
|
2824 |
|
|
else
|
2825 |
|
|
{
|
2826 |
|
|
BFD_ASSERT (score_elf_section_data (sgot) != NULL);
|
2827 |
|
|
g = score_elf_section_data (sgot)->u.got_info;
|
2828 |
|
|
BFD_ASSERT (g != NULL);
|
2829 |
|
|
}
|
2830 |
|
|
}
|
2831 |
|
|
|
2832 |
|
|
sreloc = NULL;
|
2833 |
|
|
bed = get_elf_backend_data (abfd);
|
2834 |
|
|
rel_end = relocs + sec->reloc_count * bed->s->int_rels_per_ext_rel;
|
2835 |
|
|
for (rel = relocs; rel < rel_end; ++rel)
|
2836 |
|
|
{
|
2837 |
|
|
unsigned long r_symndx;
|
2838 |
|
|
unsigned int r_type;
|
2839 |
|
|
struct elf_link_hash_entry *h;
|
2840 |
|
|
|
2841 |
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
2842 |
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
2843 |
|
|
|
2844 |
|
|
if (r_symndx < extsymoff)
|
2845 |
225 |
jeremybenn |
{
|
2846 |
24 |
jeremybenn |
h = NULL;
|
2847 |
225 |
jeremybenn |
}
|
2848 |
24 |
jeremybenn |
else if (r_symndx >= extsymoff + NUM_SHDR_ENTRIES (symtab_hdr))
|
2849 |
|
|
{
|
2850 |
|
|
(*_bfd_error_handler) (_("%s: Malformed reloc detected for section %s"), abfd, name);
|
2851 |
|
|
bfd_set_error (bfd_error_bad_value);
|
2852 |
|
|
return FALSE;
|
2853 |
|
|
}
|
2854 |
|
|
else
|
2855 |
|
|
{
|
2856 |
|
|
h = sym_hashes[r_symndx - extsymoff];
|
2857 |
|
|
|
2858 |
|
|
/* This may be an indirect symbol created because of a version. */
|
2859 |
|
|
if (h != NULL)
|
2860 |
|
|
{
|
2861 |
|
|
while (h->root.type == bfd_link_hash_indirect)
|
2862 |
|
|
h = (struct elf_link_hash_entry *)h->root.u.i.link;
|
2863 |
|
|
}
|
2864 |
|
|
}
|
2865 |
|
|
|
2866 |
|
|
/* Some relocs require a global offset table. */
|
2867 |
|
|
if (dynobj == NULL || sgot == NULL)
|
2868 |
|
|
{
|
2869 |
|
|
switch (r_type)
|
2870 |
|
|
{
|
2871 |
|
|
case R_SCORE_GOT15:
|
2872 |
|
|
case R_SCORE_CALL15:
|
2873 |
|
|
if (dynobj == NULL)
|
2874 |
|
|
elf_hash_table (info)->dynobj = dynobj = abfd;
|
2875 |
|
|
if (!score_elf_create_got_section (dynobj, info, FALSE))
|
2876 |
|
|
return FALSE;
|
2877 |
|
|
g = score_elf_got_info (dynobj, &sgot);
|
2878 |
|
|
break;
|
2879 |
|
|
case R_SCORE_ABS32:
|
2880 |
|
|
case R_SCORE_REL32:
|
2881 |
|
|
if (dynobj == NULL && (info->shared || h != NULL) && (sec->flags & SEC_ALLOC) != 0)
|
2882 |
|
|
elf_hash_table (info)->dynobj = dynobj = abfd;
|
2883 |
|
|
break;
|
2884 |
|
|
default:
|
2885 |
|
|
break;
|
2886 |
|
|
}
|
2887 |
|
|
}
|
2888 |
|
|
|
2889 |
|
|
if (!h && (r_type == R_SCORE_GOT_LO16))
|
2890 |
|
|
{
|
2891 |
225 |
jeremybenn |
if (! score_elf_record_local_got_symbol (abfd, r_symndx, rel->r_addend, g))
|
2892 |
|
|
return FALSE;
|
2893 |
24 |
jeremybenn |
}
|
2894 |
|
|
|
2895 |
|
|
switch (r_type)
|
2896 |
|
|
{
|
2897 |
|
|
case R_SCORE_CALL15:
|
2898 |
225 |
jeremybenn |
if (h == NULL)
|
2899 |
|
|
{
|
2900 |
|
|
(*_bfd_error_handler)
|
2901 |
|
|
(_("%B: CALL15 reloc at 0x%lx not against global symbol"),
|
2902 |
|
|
abfd, (unsigned long) rel->r_offset);
|
2903 |
|
|
bfd_set_error (bfd_error_bad_value);
|
2904 |
|
|
return FALSE;
|
2905 |
|
|
}
|
2906 |
|
|
else
|
2907 |
|
|
{
|
2908 |
|
|
/* This symbol requires a global offset table entry. */
|
2909 |
|
|
if (! score_elf_record_global_got_symbol (h, abfd, info, g))
|
2910 |
|
|
return FALSE;
|
2911 |
24 |
jeremybenn |
|
2912 |
225 |
jeremybenn |
/* We need a stub, not a plt entry for the undefined function. But we record
|
2913 |
24 |
jeremybenn |
it as if it needs plt. See _bfd_elf_adjust_dynamic_symbol. */
|
2914 |
225 |
jeremybenn |
h->needs_plt = 1;
|
2915 |
|
|
h->type = STT_FUNC;
|
2916 |
|
|
}
|
2917 |
24 |
jeremybenn |
break;
|
2918 |
225 |
jeremybenn |
case R_SCORE_GOT15:
|
2919 |
|
|
if (h && ! score_elf_record_global_got_symbol (h, abfd, info, g))
|
2920 |
|
|
return FALSE;
|
2921 |
|
|
break;
|
2922 |
24 |
jeremybenn |
case R_SCORE_ABS32:
|
2923 |
|
|
case R_SCORE_REL32:
|
2924 |
225 |
jeremybenn |
if ((info->shared || h != NULL) && (sec->flags & SEC_ALLOC) != 0)
|
2925 |
|
|
{
|
2926 |
|
|
if (sreloc == NULL)
|
2927 |
|
|
{
|
2928 |
|
|
sreloc = score_elf_rel_dyn_section (dynobj, TRUE);
|
2929 |
|
|
if (sreloc == NULL)
|
2930 |
|
|
return FALSE;
|
2931 |
|
|
}
|
2932 |
24 |
jeremybenn |
#define SCORE_READONLY_SECTION (SEC_ALLOC | SEC_LOAD | SEC_READONLY)
|
2933 |
225 |
jeremybenn |
if (info->shared)
|
2934 |
|
|
{
|
2935 |
|
|
/* When creating a shared object, we must copy these reloc types into
|
2936 |
24 |
jeremybenn |
the output file as R_SCORE_REL32 relocs. We make room for this reloc
|
2937 |
|
|
in the .rel.dyn reloc section. */
|
2938 |
225 |
jeremybenn |
score_elf_allocate_dynamic_relocations (dynobj, 1);
|
2939 |
|
|
if ((sec->flags & SCORE_READONLY_SECTION)
|
2940 |
|
|
== SCORE_READONLY_SECTION)
|
2941 |
|
|
/* We tell the dynamic linker that there are
|
2942 |
|
|
relocations against the text segment. */
|
2943 |
|
|
info->flags |= DF_TEXTREL;
|
2944 |
|
|
}
|
2945 |
|
|
else
|
2946 |
|
|
{
|
2947 |
|
|
struct score_elf_link_hash_entry *hscore;
|
2948 |
24 |
jeremybenn |
|
2949 |
225 |
jeremybenn |
/* We only need to copy this reloc if the symbol is
|
2950 |
24 |
jeremybenn |
defined in a dynamic object. */
|
2951 |
225 |
jeremybenn |
hscore = (struct score_elf_link_hash_entry *)h;
|
2952 |
|
|
++hscore->possibly_dynamic_relocs;
|
2953 |
|
|
if ((sec->flags & SCORE_READONLY_SECTION)
|
2954 |
|
|
== SCORE_READONLY_SECTION)
|
2955 |
|
|
/* We need it to tell the dynamic linker if there
|
2956 |
|
|
are relocations against the text segment. */
|
2957 |
|
|
hscore->readonly_reloc = TRUE;
|
2958 |
|
|
}
|
2959 |
24 |
jeremybenn |
|
2960 |
225 |
jeremybenn |
/* Even though we don't directly need a GOT entry for this symbol,
|
2961 |
24 |
jeremybenn |
a symbol must have a dynamic symbol table index greater that
|
2962 |
|
|
DT_SCORE_GOTSYM if there are dynamic relocations against it. */
|
2963 |
225 |
jeremybenn |
if (h != NULL)
|
2964 |
|
|
{
|
2965 |
|
|
if (dynobj == NULL)
|
2966 |
|
|
elf_hash_table (info)->dynobj = dynobj = abfd;
|
2967 |
|
|
if (! score_elf_create_got_section (dynobj, info, TRUE))
|
2968 |
|
|
return FALSE;
|
2969 |
|
|
g = score_elf_got_info (dynobj, &sgot);
|
2970 |
|
|
if (! score_elf_record_global_got_symbol (h, abfd, info, g))
|
2971 |
|
|
return FALSE;
|
2972 |
|
|
}
|
2973 |
|
|
}
|
2974 |
|
|
break;
|
2975 |
24 |
jeremybenn |
|
2976 |
|
|
/* This relocation describes the C++ object vtable hierarchy.
|
2977 |
|
|
Reconstruct it for later use during GC. */
|
2978 |
|
|
case R_SCORE_GNU_VTINHERIT:
|
2979 |
|
|
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
|
2980 |
|
|
return FALSE;
|
2981 |
|
|
break;
|
2982 |
|
|
|
2983 |
|
|
/* This relocation describes which C++ vtable entries are actually
|
2984 |
|
|
used. Record for later use during GC. */
|
2985 |
|
|
case R_SCORE_GNU_VTENTRY:
|
2986 |
225 |
jeremybenn |
if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
|
2987 |
24 |
jeremybenn |
return FALSE;
|
2988 |
|
|
break;
|
2989 |
|
|
default:
|
2990 |
|
|
break;
|
2991 |
|
|
}
|
2992 |
|
|
|
2993 |
|
|
/* We must not create a stub for a symbol that has relocations
|
2994 |
|
|
related to taking the function's address. */
|
2995 |
|
|
switch (r_type)
|
2996 |
225 |
jeremybenn |
{
|
2997 |
|
|
default:
|
2998 |
|
|
if (h != NULL)
|
2999 |
|
|
{
|
3000 |
|
|
struct score_elf_link_hash_entry *sh;
|
3001 |
24 |
jeremybenn |
|
3002 |
225 |
jeremybenn |
sh = (struct score_elf_link_hash_entry *) h;
|
3003 |
|
|
sh->no_fn_stub = TRUE;
|
3004 |
|
|
}
|
3005 |
|
|
break;
|
3006 |
|
|
case R_SCORE_CALL15:
|
3007 |
|
|
break;
|
3008 |
|
|
}
|
3009 |
24 |
jeremybenn |
}
|
3010 |
|
|
|
3011 |
|
|
return TRUE;
|
3012 |
|
|
}
|
3013 |
|
|
|
3014 |
|
|
static bfd_boolean
|
3015 |
225 |
jeremybenn |
s3_bfd_score_elf_add_symbol_hook (bfd *abfd,
|
3016 |
|
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
3017 |
|
|
Elf_Internal_Sym *sym,
|
3018 |
|
|
const char **namep ATTRIBUTE_UNUSED,
|
3019 |
|
|
flagword *flagsp ATTRIBUTE_UNUSED,
|
3020 |
|
|
asection **secp,
|
3021 |
|
|
bfd_vma *valp)
|
3022 |
24 |
jeremybenn |
{
|
3023 |
|
|
switch (sym->st_shndx)
|
3024 |
|
|
{
|
3025 |
|
|
case SHN_COMMON:
|
3026 |
|
|
if (sym->st_size > elf_gp_size (abfd))
|
3027 |
|
|
break;
|
3028 |
|
|
/* Fall through. */
|
3029 |
|
|
case SHN_SCORE_SCOMMON:
|
3030 |
|
|
*secp = bfd_make_section_old_way (abfd, ".scommon");
|
3031 |
|
|
(*secp)->flags |= SEC_IS_COMMON;
|
3032 |
|
|
*valp = sym->st_size;
|
3033 |
|
|
break;
|
3034 |
|
|
}
|
3035 |
|
|
|
3036 |
|
|
return TRUE;
|
3037 |
|
|
}
|
3038 |
|
|
|
3039 |
|
|
static void
|
3040 |
225 |
jeremybenn |
s3_bfd_score_elf_symbol_processing (bfd *abfd, asymbol *asym)
|
3041 |
24 |
jeremybenn |
{
|
3042 |
|
|
elf_symbol_type *elfsym;
|
3043 |
|
|
|
3044 |
|
|
elfsym = (elf_symbol_type *) asym;
|
3045 |
|
|
switch (elfsym->internal_elf_sym.st_shndx)
|
3046 |
|
|
{
|
3047 |
|
|
case SHN_COMMON:
|
3048 |
|
|
if (asym->value > elf_gp_size (abfd))
|
3049 |
|
|
break;
|
3050 |
|
|
/* Fall through. */
|
3051 |
|
|
case SHN_SCORE_SCOMMON:
|
3052 |
|
|
if (score_elf_scom_section.name == NULL)
|
3053 |
|
|
{
|
3054 |
|
|
/* Initialize the small common section. */
|
3055 |
|
|
score_elf_scom_section.name = ".scommon";
|
3056 |
|
|
score_elf_scom_section.flags = SEC_IS_COMMON;
|
3057 |
|
|
score_elf_scom_section.output_section = &score_elf_scom_section;
|
3058 |
|
|
score_elf_scom_section.symbol = &score_elf_scom_symbol;
|
3059 |
|
|
score_elf_scom_section.symbol_ptr_ptr = &score_elf_scom_symbol_ptr;
|
3060 |
|
|
score_elf_scom_symbol.name = ".scommon";
|
3061 |
|
|
score_elf_scom_symbol.flags = BSF_SECTION_SYM;
|
3062 |
|
|
score_elf_scom_symbol.section = &score_elf_scom_section;
|
3063 |
|
|
score_elf_scom_symbol_ptr = &score_elf_scom_symbol;
|
3064 |
|
|
}
|
3065 |
|
|
asym->section = &score_elf_scom_section;
|
3066 |
|
|
asym->value = elfsym->internal_elf_sym.st_size;
|
3067 |
|
|
break;
|
3068 |
|
|
}
|
3069 |
|
|
}
|
3070 |
|
|
|
3071 |
225 |
jeremybenn |
static int
|
3072 |
|
|
s3_bfd_score_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
3073 |
|
|
const char *name ATTRIBUTE_UNUSED,
|
3074 |
|
|
Elf_Internal_Sym *sym,
|
3075 |
|
|
asection *input_sec,
|
3076 |
|
|
struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
|
3077 |
24 |
jeremybenn |
{
|
3078 |
|
|
/* If we see a common symbol, which implies a relocatable link, then
|
3079 |
|
|
if a symbol was small common in an input file, mark it as small
|
3080 |
|
|
common in the output file. */
|
3081 |
|
|
if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
|
3082 |
|
|
sym->st_shndx = SHN_SCORE_SCOMMON;
|
3083 |
|
|
|
3084 |
225 |
jeremybenn |
return 1;
|
3085 |
24 |
jeremybenn |
}
|
3086 |
|
|
|
3087 |
|
|
static bfd_boolean
|
3088 |
225 |
jeremybenn |
s3_bfd_score_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
|
3089 |
|
|
asection *sec,
|
3090 |
|
|
int *retval)
|
3091 |
24 |
jeremybenn |
{
|
3092 |
|
|
if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
|
3093 |
|
|
{
|
3094 |
|
|
*retval = SHN_SCORE_SCOMMON;
|
3095 |
|
|
return TRUE;
|
3096 |
|
|
}
|
3097 |
|
|
|
3098 |
|
|
return FALSE;
|
3099 |
|
|
}
|
3100 |
|
|
|
3101 |
|
|
/* Adjust a symbol defined by a dynamic object and referenced by a
|
3102 |
|
|
regular object. The current definition is in some section of the
|
3103 |
|
|
dynamic object, but we're not including those sections. We have to
|
3104 |
|
|
change the definition to something the rest of the link can understand. */
|
3105 |
|
|
static bfd_boolean
|
3106 |
225 |
jeremybenn |
s3_bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
3107 |
|
|
struct elf_link_hash_entry *h)
|
3108 |
24 |
jeremybenn |
{
|
3109 |
|
|
bfd *dynobj;
|
3110 |
|
|
struct score_elf_link_hash_entry *hscore;
|
3111 |
|
|
asection *s;
|
3112 |
|
|
|
3113 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
3114 |
|
|
|
3115 |
|
|
/* Make sure we know what is going on here. */
|
3116 |
|
|
BFD_ASSERT (dynobj != NULL
|
3117 |
|
|
&& (h->needs_plt
|
3118 |
|
|
|| h->u.weakdef != NULL
|
3119 |
|
|
|| (h->def_dynamic && h->ref_regular && !h->def_regular)));
|
3120 |
|
|
|
3121 |
|
|
/* If this symbol is defined in a dynamic object, we need to copy
|
3122 |
|
|
any R_SCORE_ABS32 or R_SCORE_REL32 relocs against it into the output
|
3123 |
|
|
file. */
|
3124 |
|
|
hscore = (struct score_elf_link_hash_entry *)h;
|
3125 |
|
|
if (!info->relocatable
|
3126 |
|
|
&& hscore->possibly_dynamic_relocs != 0
|
3127 |
|
|
&& (h->root.type == bfd_link_hash_defweak || !h->def_regular))
|
3128 |
|
|
{
|
3129 |
|
|
score_elf_allocate_dynamic_relocations (dynobj, hscore->possibly_dynamic_relocs);
|
3130 |
|
|
if (hscore->readonly_reloc)
|
3131 |
|
|
/* We tell the dynamic linker that there are relocations
|
3132 |
|
|
against the text segment. */
|
3133 |
|
|
info->flags |= DF_TEXTREL;
|
3134 |
|
|
}
|
3135 |
|
|
|
3136 |
|
|
/* For a function, create a stub, if allowed. */
|
3137 |
|
|
if (!hscore->no_fn_stub && h->needs_plt)
|
3138 |
|
|
{
|
3139 |
|
|
if (!elf_hash_table (info)->dynamic_sections_created)
|
3140 |
|
|
return TRUE;
|
3141 |
|
|
|
3142 |
|
|
/* If this symbol is not defined in a regular file, then set
|
3143 |
|
|
the symbol to the stub location. This is required to make
|
3144 |
|
|
function pointers compare as equal between the normal
|
3145 |
|
|
executable and the shared library. */
|
3146 |
|
|
if (!h->def_regular)
|
3147 |
|
|
{
|
3148 |
|
|
/* We need .stub section. */
|
3149 |
|
|
s = bfd_get_section_by_name (dynobj, SCORE_ELF_STUB_SECTION_NAME);
|
3150 |
|
|
BFD_ASSERT (s != NULL);
|
3151 |
|
|
|
3152 |
|
|
h->root.u.def.section = s;
|
3153 |
|
|
h->root.u.def.value = s->size;
|
3154 |
|
|
|
3155 |
|
|
/* XXX Write this stub address somewhere. */
|
3156 |
|
|
h->plt.offset = s->size;
|
3157 |
|
|
|
3158 |
|
|
/* Make room for this stub code. */
|
3159 |
|
|
s->size += SCORE_FUNCTION_STUB_SIZE;
|
3160 |
|
|
|
3161 |
|
|
/* The last half word of the stub will be filled with the index
|
3162 |
|
|
of this symbol in .dynsym section. */
|
3163 |
|
|
return TRUE;
|
3164 |
|
|
}
|
3165 |
|
|
}
|
3166 |
|
|
else if ((h->type == STT_FUNC) && !h->needs_plt)
|
3167 |
|
|
{
|
3168 |
|
|
/* This will set the entry for this symbol in the GOT to 0, and
|
3169 |
|
|
the dynamic linker will take care of this. */
|
3170 |
|
|
h->root.u.def.value = 0;
|
3171 |
|
|
return TRUE;
|
3172 |
|
|
}
|
3173 |
|
|
|
3174 |
|
|
/* If this is a weak symbol, and there is a real definition, the
|
3175 |
|
|
processor independent code will have arranged for us to see the
|
3176 |
|
|
real definition first, and we can just use the same value. */
|
3177 |
|
|
if (h->u.weakdef != NULL)
|
3178 |
|
|
{
|
3179 |
|
|
BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
|
3180 |
|
|
|| h->u.weakdef->root.type == bfd_link_hash_defweak);
|
3181 |
|
|
h->root.u.def.section = h->u.weakdef->root.u.def.section;
|
3182 |
|
|
h->root.u.def.value = h->u.weakdef->root.u.def.value;
|
3183 |
|
|
return TRUE;
|
3184 |
|
|
}
|
3185 |
|
|
|
3186 |
|
|
/* This is a reference to a symbol defined by a dynamic object which
|
3187 |
|
|
is not a function. */
|
3188 |
|
|
return TRUE;
|
3189 |
|
|
}
|
3190 |
|
|
|
3191 |
|
|
/* This function is called after all the input files have been read,
|
3192 |
|
|
and the input sections have been assigned to output sections. */
|
3193 |
|
|
static bfd_boolean
|
3194 |
225 |
jeremybenn |
s3_bfd_score_elf_always_size_sections (bfd *output_bfd,
|
3195 |
|
|
struct bfd_link_info *info)
|
3196 |
24 |
jeremybenn |
{
|
3197 |
|
|
bfd *dynobj;
|
3198 |
|
|
asection *s;
|
3199 |
|
|
struct score_got_info *g;
|
3200 |
|
|
int i;
|
3201 |
|
|
bfd_size_type loadable_size = 0;
|
3202 |
|
|
bfd_size_type local_gotno;
|
3203 |
|
|
bfd *sub;
|
3204 |
|
|
|
3205 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
3206 |
|
|
if (dynobj == NULL)
|
3207 |
|
|
/* Relocatable links don't have it. */
|
3208 |
|
|
return TRUE;
|
3209 |
|
|
|
3210 |
|
|
g = score_elf_got_info (dynobj, &s);
|
3211 |
|
|
if (s == NULL)
|
3212 |
|
|
return TRUE;
|
3213 |
|
|
|
3214 |
|
|
/* Calculate the total loadable size of the output. That will give us the
|
3215 |
|
|
maximum number of GOT_PAGE entries required. */
|
3216 |
|
|
for (sub = info->input_bfds; sub; sub = sub->link_next)
|
3217 |
|
|
{
|
3218 |
|
|
asection *subsection;
|
3219 |
|
|
|
3220 |
|
|
for (subsection = sub->sections;
|
3221 |
225 |
jeremybenn |
subsection;
|
3222 |
|
|
subsection = subsection->next)
|
3223 |
|
|
{
|
3224 |
|
|
if ((subsection->flags & SEC_ALLOC) == 0)
|
3225 |
|
|
continue;
|
3226 |
|
|
loadable_size += ((subsection->size + 0xf)
|
3227 |
|
|
&~ (bfd_size_type) 0xf);
|
3228 |
|
|
}
|
3229 |
24 |
jeremybenn |
}
|
3230 |
|
|
|
3231 |
|
|
/* There has to be a global GOT entry for every symbol with
|
3232 |
|
|
a dynamic symbol table index of DT_SCORE_GOTSYM or
|
3233 |
|
|
higher. Therefore, it make sense to put those symbols
|
3234 |
|
|
that need GOT entries at the end of the symbol table. We
|
3235 |
|
|
do that here. */
|
3236 |
|
|
if (! score_elf_sort_hash_table (info, 1))
|
3237 |
|
|
return FALSE;
|
3238 |
|
|
|
3239 |
|
|
if (g->global_gotsym != NULL)
|
3240 |
|
|
i = elf_hash_table (info)->dynsymcount - g->global_gotsym->dynindx;
|
3241 |
|
|
else
|
3242 |
|
|
/* If there are no global symbols, or none requiring
|
3243 |
|
|
relocations, then GLOBAL_GOTSYM will be NULL. */
|
3244 |
|
|
i = 0;
|
3245 |
|
|
|
3246 |
|
|
/* In the worst case, we'll get one stub per dynamic symbol. */
|
3247 |
|
|
loadable_size += SCORE_FUNCTION_STUB_SIZE * i;
|
3248 |
|
|
|
3249 |
|
|
/* Assume there are two loadable segments consisting of
|
3250 |
|
|
contiguous sections. Is 5 enough? */
|
3251 |
|
|
local_gotno = (loadable_size >> 16) + 5;
|
3252 |
|
|
|
3253 |
|
|
g->local_gotno += local_gotno;
|
3254 |
|
|
s->size += g->local_gotno * SCORE_ELF_GOT_SIZE (output_bfd);
|
3255 |
|
|
|
3256 |
|
|
g->global_gotno = i;
|
3257 |
|
|
s->size += i * SCORE_ELF_GOT_SIZE (output_bfd);
|
3258 |
|
|
|
3259 |
|
|
score_elf_resolve_final_got_entries (g);
|
3260 |
|
|
|
3261 |
|
|
if (s->size > SCORE_ELF_GOT_MAX_SIZE (output_bfd))
|
3262 |
|
|
{
|
3263 |
|
|
/* Fixme. Error message or Warning message should be issued here. */
|
3264 |
|
|
}
|
3265 |
|
|
|
3266 |
|
|
return TRUE;
|
3267 |
|
|
}
|
3268 |
|
|
|
3269 |
|
|
/* Set the sizes of the dynamic sections. */
|
3270 |
|
|
static bfd_boolean
|
3271 |
225 |
jeremybenn |
s3_bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
|
3272 |
24 |
jeremybenn |
{
|
3273 |
|
|
bfd *dynobj;
|
3274 |
|
|
asection *s;
|
3275 |
|
|
bfd_boolean reltext;
|
3276 |
|
|
|
3277 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
3278 |
|
|
BFD_ASSERT (dynobj != NULL);
|
3279 |
|
|
|
3280 |
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
3281 |
|
|
{
|
3282 |
|
|
/* Set the contents of the .interp section to the interpreter. */
|
3283 |
|
|
if (!info->shared)
|
3284 |
|
|
{
|
3285 |
|
|
s = bfd_get_section_by_name (dynobj, ".interp");
|
3286 |
|
|
BFD_ASSERT (s != NULL);
|
3287 |
|
|
s->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
|
3288 |
|
|
s->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
|
3289 |
|
|
}
|
3290 |
|
|
}
|
3291 |
|
|
|
3292 |
|
|
/* The check_relocs and adjust_dynamic_symbol entry points have
|
3293 |
|
|
determined the sizes of the various dynamic sections. Allocate
|
3294 |
|
|
memory for them. */
|
3295 |
|
|
reltext = FALSE;
|
3296 |
|
|
for (s = dynobj->sections; s != NULL; s = s->next)
|
3297 |
|
|
{
|
3298 |
|
|
const char *name;
|
3299 |
|
|
|
3300 |
|
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
3301 |
|
|
continue;
|
3302 |
|
|
|
3303 |
|
|
/* It's OK to base decisions on the section name, because none
|
3304 |
|
|
of the dynobj section names depend upon the input files. */
|
3305 |
|
|
name = bfd_get_section_name (dynobj, s);
|
3306 |
|
|
|
3307 |
|
|
if (CONST_STRNEQ (name, ".rel"))
|
3308 |
|
|
{
|
3309 |
|
|
if (s->size == 0)
|
3310 |
|
|
{
|
3311 |
|
|
/* We only strip the section if the output section name
|
3312 |
|
|
has the same name. Otherwise, there might be several
|
3313 |
|
|
input sections for this output section. FIXME: This
|
3314 |
|
|
code is probably not needed these days anyhow, since
|
3315 |
|
|
the linker now does not create empty output sections. */
|
3316 |
|
|
if (s->output_section != NULL
|
3317 |
|
|
&& strcmp (name,
|
3318 |
|
|
bfd_get_section_name (s->output_section->owner,
|
3319 |
|
|
s->output_section)) == 0)
|
3320 |
|
|
s->flags |= SEC_EXCLUDE;
|
3321 |
|
|
}
|
3322 |
|
|
else
|
3323 |
|
|
{
|
3324 |
|
|
const char *outname;
|
3325 |
|
|
asection *target;
|
3326 |
|
|
|
3327 |
|
|
/* If this relocation section applies to a read only
|
3328 |
|
|
section, then we probably need a DT_TEXTREL entry.
|
3329 |
|
|
If the relocation section is .rel.dyn, we always
|
3330 |
|
|
assert a DT_TEXTREL entry rather than testing whether
|
3331 |
|
|
there exists a relocation to a read only section or
|
3332 |
|
|
not. */
|
3333 |
|
|
outname = bfd_get_section_name (output_bfd, s->output_section);
|
3334 |
|
|
target = bfd_get_section_by_name (output_bfd, outname + 4);
|
3335 |
|
|
if ((target != NULL
|
3336 |
|
|
&& (target->flags & SEC_READONLY) != 0
|
3337 |
|
|
&& (target->flags & SEC_ALLOC) != 0) || strcmp (outname, ".rel.dyn") == 0)
|
3338 |
|
|
reltext = TRUE;
|
3339 |
|
|
|
3340 |
|
|
/* We use the reloc_count field as a counter if we need
|
3341 |
|
|
to copy relocs into the output file. */
|
3342 |
|
|
if (strcmp (name, ".rel.dyn") != 0)
|
3343 |
|
|
s->reloc_count = 0;
|
3344 |
|
|
}
|
3345 |
|
|
}
|
3346 |
|
|
else if (CONST_STRNEQ (name, ".got"))
|
3347 |
|
|
{
|
3348 |
225 |
jeremybenn |
/* s3_bfd_score_elf_always_size_sections() has already done
|
3349 |
|
|
most of the work, but some symbols may have been mapped
|
3350 |
|
|
to versions that we must now resolve in the got_entries
|
3351 |
|
|
hash tables. */
|
3352 |
24 |
jeremybenn |
}
|
3353 |
|
|
else if (strcmp (name, SCORE_ELF_STUB_SECTION_NAME) == 0)
|
3354 |
|
|
{
|
3355 |
|
|
/* IRIX rld assumes that the function stub isn't at the end
|
3356 |
|
|
of .text section. So put a dummy. XXX */
|
3357 |
|
|
s->size += SCORE_FUNCTION_STUB_SIZE;
|
3358 |
|
|
}
|
3359 |
|
|
else if (! CONST_STRNEQ (name, ".init"))
|
3360 |
|
|
{
|
3361 |
|
|
/* It's not one of our sections, so don't allocate space. */
|
3362 |
|
|
continue;
|
3363 |
|
|
}
|
3364 |
|
|
|
3365 |
|
|
/* Allocate memory for the section contents. */
|
3366 |
|
|
s->contents = bfd_zalloc (dynobj, s->size);
|
3367 |
|
|
if (s->contents == NULL && s->size != 0)
|
3368 |
|
|
{
|
3369 |
|
|
bfd_set_error (bfd_error_no_memory);
|
3370 |
|
|
return FALSE;
|
3371 |
|
|
}
|
3372 |
|
|
}
|
3373 |
|
|
|
3374 |
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
3375 |
|
|
{
|
3376 |
|
|
/* Add some entries to the .dynamic section. We fill in the
|
3377 |
225 |
jeremybenn |
values later, in s3_bfd_score_elf_finish_dynamic_sections, but we
|
3378 |
|
|
must add the entries now so that we get the correct size for
|
3379 |
|
|
the .dynamic section. The DT_DEBUG entry is filled in by the
|
3380 |
|
|
dynamic linker and used by the debugger. */
|
3381 |
24 |
jeremybenn |
|
3382 |
|
|
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_DEBUG, 0))
|
3383 |
225 |
jeremybenn |
return FALSE;
|
3384 |
24 |
jeremybenn |
|
3385 |
|
|
if (reltext)
|
3386 |
225 |
jeremybenn |
info->flags |= DF_TEXTREL;
|
3387 |
24 |
jeremybenn |
|
3388 |
|
|
if ((info->flags & DF_TEXTREL) != 0)
|
3389 |
225 |
jeremybenn |
{
|
3390 |
|
|
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_TEXTREL, 0))
|
3391 |
|
|
return FALSE;
|
3392 |
|
|
}
|
3393 |
24 |
jeremybenn |
|
3394 |
|
|
if (! SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_PLTGOT, 0))
|
3395 |
225 |
jeremybenn |
return FALSE;
|
3396 |
24 |
jeremybenn |
|
3397 |
|
|
if (score_elf_rel_dyn_section (dynobj, FALSE))
|
3398 |
225 |
jeremybenn |
{
|
3399 |
|
|
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_REL, 0))
|
3400 |
|
|
return FALSE;
|
3401 |
24 |
jeremybenn |
|
3402 |
225 |
jeremybenn |
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELSZ, 0))
|
3403 |
|
|
return FALSE;
|
3404 |
24 |
jeremybenn |
|
3405 |
225 |
jeremybenn |
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELENT, 0))
|
3406 |
|
|
return FALSE;
|
3407 |
|
|
}
|
3408 |
24 |
jeremybenn |
|
3409 |
|
|
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_BASE_ADDRESS, 0))
|
3410 |
|
|
return FALSE;
|
3411 |
|
|
|
3412 |
|
|
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_LOCAL_GOTNO, 0))
|
3413 |
|
|
return FALSE;
|
3414 |
|
|
|
3415 |
|
|
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_SYMTABNO, 0))
|
3416 |
|
|
return FALSE;
|
3417 |
|
|
|
3418 |
|
|
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_UNREFEXTNO, 0))
|
3419 |
|
|
return FALSE;
|
3420 |
|
|
|
3421 |
|
|
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_GOTSYM, 0))
|
3422 |
|
|
return FALSE;
|
3423 |
|
|
|
3424 |
|
|
if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_HIPAGENO, 0))
|
3425 |
225 |
jeremybenn |
return FALSE;
|
3426 |
24 |
jeremybenn |
}
|
3427 |
|
|
|
3428 |
|
|
return TRUE;
|
3429 |
|
|
}
|
3430 |
|
|
|
3431 |
|
|
static bfd_boolean
|
3432 |
225 |
jeremybenn |
s3_bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
|
3433 |
24 |
jeremybenn |
{
|
3434 |
|
|
struct elf_link_hash_entry *h;
|
3435 |
|
|
struct bfd_link_hash_entry *bh;
|
3436 |
|
|
flagword flags;
|
3437 |
|
|
asection *s;
|
3438 |
|
|
|
3439 |
|
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
3440 |
|
|
| SEC_LINKER_CREATED | SEC_READONLY);
|
3441 |
|
|
|
3442 |
|
|
/* ABI requests the .dynamic section to be read only. */
|
3443 |
|
|
s = bfd_get_section_by_name (abfd, ".dynamic");
|
3444 |
|
|
if (s != NULL)
|
3445 |
|
|
{
|
3446 |
|
|
if (!bfd_set_section_flags (abfd, s, flags))
|
3447 |
|
|
return FALSE;
|
3448 |
|
|
}
|
3449 |
|
|
|
3450 |
|
|
/* We need to create .got section. */
|
3451 |
|
|
if (!score_elf_create_got_section (abfd, info, FALSE))
|
3452 |
|
|
return FALSE;
|
3453 |
|
|
|
3454 |
|
|
if (!score_elf_rel_dyn_section (elf_hash_table (info)->dynobj, TRUE))
|
3455 |
|
|
return FALSE;
|
3456 |
|
|
|
3457 |
|
|
/* Create .stub section. */
|
3458 |
|
|
if (bfd_get_section_by_name (abfd, SCORE_ELF_STUB_SECTION_NAME) == NULL)
|
3459 |
|
|
{
|
3460 |
|
|
s = bfd_make_section_with_flags (abfd, SCORE_ELF_STUB_SECTION_NAME,
|
3461 |
|
|
flags | SEC_CODE);
|
3462 |
|
|
if (s == NULL
|
3463 |
|
|
|| !bfd_set_section_alignment (abfd, s, 2))
|
3464 |
|
|
|
3465 |
|
|
return FALSE;
|
3466 |
|
|
}
|
3467 |
|
|
|
3468 |
|
|
if (!info->shared)
|
3469 |
|
|
{
|
3470 |
|
|
const char *name;
|
3471 |
|
|
|
3472 |
|
|
name = "_DYNAMIC_LINK";
|
3473 |
|
|
bh = NULL;
|
3474 |
|
|
if (!(_bfd_generic_link_add_one_symbol
|
3475 |
|
|
(info, abfd, name, BSF_GLOBAL, bfd_abs_section_ptr,
|
3476 |
225 |
jeremybenn |
(bfd_vma) 0, NULL, FALSE, get_elf_backend_data (abfd)->collect, &bh)))
|
3477 |
24 |
jeremybenn |
return FALSE;
|
3478 |
|
|
|
3479 |
|
|
h = (struct elf_link_hash_entry *)bh;
|
3480 |
|
|
h->non_elf = 0;
|
3481 |
|
|
h->def_regular = 1;
|
3482 |
|
|
h->type = STT_SECTION;
|
3483 |
|
|
|
3484 |
|
|
if (!bfd_elf_link_record_dynamic_symbol (info, h))
|
3485 |
|
|
return FALSE;
|
3486 |
|
|
}
|
3487 |
|
|
|
3488 |
|
|
return TRUE;
|
3489 |
|
|
}
|
3490 |
|
|
|
3491 |
|
|
|
3492 |
|
|
/* Finish up dynamic symbol handling. We set the contents of various
|
3493 |
|
|
dynamic sections here. */
|
3494 |
|
|
static bfd_boolean
|
3495 |
225 |
jeremybenn |
s3_bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd,
|
3496 |
|
|
struct bfd_link_info *info,
|
3497 |
|
|
struct elf_link_hash_entry *h,
|
3498 |
|
|
Elf_Internal_Sym *sym)
|
3499 |
24 |
jeremybenn |
{
|
3500 |
|
|
bfd *dynobj;
|
3501 |
|
|
asection *sgot;
|
3502 |
|
|
struct score_got_info *g;
|
3503 |
|
|
const char *name;
|
3504 |
|
|
|
3505 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
3506 |
|
|
|
3507 |
|
|
if (h->plt.offset != MINUS_ONE)
|
3508 |
|
|
{
|
3509 |
|
|
asection *s;
|
3510 |
|
|
bfd_byte stub[SCORE_FUNCTION_STUB_SIZE];
|
3511 |
|
|
|
3512 |
|
|
/* This symbol has a stub. Set it up. */
|
3513 |
|
|
BFD_ASSERT (h->dynindx != -1);
|
3514 |
|
|
|
3515 |
|
|
s = bfd_get_section_by_name (dynobj, SCORE_ELF_STUB_SECTION_NAME);
|
3516 |
|
|
BFD_ASSERT (s != NULL);
|
3517 |
|
|
|
3518 |
|
|
/* FIXME: Can h->dynindex be more than 64K? */
|
3519 |
|
|
if (h->dynindx & 0xffff0000)
|
3520 |
225 |
jeremybenn |
return FALSE;
|
3521 |
24 |
jeremybenn |
|
3522 |
|
|
/* Fill the stub. */
|
3523 |
225 |
jeremybenn |
score_bfd_put_32 (output_bfd, STUB_LW, stub);
|
3524 |
|
|
score_bfd_put_32 (output_bfd, STUB_MOVE, stub + 4);
|
3525 |
|
|
score_bfd_put_32 (output_bfd, STUB_LI16 | (h->dynindx << 1), stub + 8);
|
3526 |
|
|
score_bfd_put_32 (output_bfd, STUB_BRL, stub + 12);
|
3527 |
24 |
jeremybenn |
|
3528 |
|
|
BFD_ASSERT (h->plt.offset <= s->size);
|
3529 |
|
|
memcpy (s->contents + h->plt.offset, stub, SCORE_FUNCTION_STUB_SIZE);
|
3530 |
|
|
|
3531 |
|
|
/* Mark the symbol as undefined. plt.offset != -1 occurs
|
3532 |
225 |
jeremybenn |
only for the referenced symbol. */
|
3533 |
24 |
jeremybenn |
sym->st_shndx = SHN_UNDEF;
|
3534 |
|
|
|
3535 |
|
|
/* The run-time linker uses the st_value field of the symbol
|
3536 |
225 |
jeremybenn |
to reset the global offset table entry for this external
|
3537 |
|
|
to its stub address when unlinking a shared object. */
|
3538 |
24 |
jeremybenn |
sym->st_value = (s->output_section->vma + s->output_offset + h->plt.offset);
|
3539 |
|
|
}
|
3540 |
|
|
|
3541 |
|
|
BFD_ASSERT (h->dynindx != -1 || h->forced_local);
|
3542 |
|
|
|
3543 |
|
|
sgot = score_elf_got_section (dynobj, FALSE);
|
3544 |
|
|
BFD_ASSERT (sgot != NULL);
|
3545 |
|
|
BFD_ASSERT (score_elf_section_data (sgot) != NULL);
|
3546 |
|
|
g = score_elf_section_data (sgot)->u.got_info;
|
3547 |
|
|
BFD_ASSERT (g != NULL);
|
3548 |
|
|
|
3549 |
|
|
/* Run through the global symbol table, creating GOT entries for all
|
3550 |
|
|
the symbols that need them. */
|
3551 |
|
|
if (g->global_gotsym != NULL && h->dynindx >= g->global_gotsym->dynindx)
|
3552 |
|
|
{
|
3553 |
|
|
bfd_vma offset;
|
3554 |
|
|
bfd_vma value;
|
3555 |
|
|
|
3556 |
|
|
value = sym->st_value;
|
3557 |
|
|
offset = score_elf_global_got_index (dynobj, h);
|
3558 |
225 |
jeremybenn |
score_bfd_put_32 (output_bfd, value, sgot->contents + offset);
|
3559 |
24 |
jeremybenn |
}
|
3560 |
|
|
|
3561 |
|
|
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
|
3562 |
|
|
name = h->root.root.string;
|
3563 |
|
|
if (strcmp (name, "_DYNAMIC") == 0 || strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0)
|
3564 |
|
|
sym->st_shndx = SHN_ABS;
|
3565 |
|
|
else if (strcmp (name, "_DYNAMIC_LINK") == 0)
|
3566 |
|
|
{
|
3567 |
|
|
sym->st_shndx = SHN_ABS;
|
3568 |
|
|
sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
|
3569 |
|
|
sym->st_value = 1;
|
3570 |
|
|
}
|
3571 |
|
|
else if (strcmp (name, GP_DISP_LABEL) == 0)
|
3572 |
|
|
{
|
3573 |
|
|
sym->st_shndx = SHN_ABS;
|
3574 |
|
|
sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
|
3575 |
|
|
sym->st_value = elf_gp (output_bfd);
|
3576 |
|
|
}
|
3577 |
|
|
|
3578 |
|
|
return TRUE;
|
3579 |
|
|
}
|
3580 |
|
|
|
3581 |
|
|
/* Finish up the dynamic sections. */
|
3582 |
|
|
static bfd_boolean
|
3583 |
225 |
jeremybenn |
s3_bfd_score_elf_finish_dynamic_sections (bfd *output_bfd,
|
3584 |
|
|
struct bfd_link_info *info)
|
3585 |
24 |
jeremybenn |
{
|
3586 |
|
|
bfd *dynobj;
|
3587 |
|
|
asection *sdyn;
|
3588 |
|
|
asection *sgot;
|
3589 |
|
|
asection *s;
|
3590 |
|
|
struct score_got_info *g;
|
3591 |
|
|
|
3592 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
3593 |
|
|
|
3594 |
|
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
3595 |
|
|
|
3596 |
|
|
sgot = score_elf_got_section (dynobj, FALSE);
|
3597 |
|
|
if (sgot == NULL)
|
3598 |
|
|
g = NULL;
|
3599 |
|
|
else
|
3600 |
|
|
{
|
3601 |
|
|
BFD_ASSERT (score_elf_section_data (sgot) != NULL);
|
3602 |
|
|
g = score_elf_section_data (sgot)->u.got_info;
|
3603 |
|
|
BFD_ASSERT (g != NULL);
|
3604 |
|
|
}
|
3605 |
|
|
|
3606 |
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
3607 |
|
|
{
|
3608 |
|
|
bfd_byte *b;
|
3609 |
|
|
|
3610 |
|
|
BFD_ASSERT (sdyn != NULL);
|
3611 |
|
|
BFD_ASSERT (g != NULL);
|
3612 |
|
|
|
3613 |
|
|
for (b = sdyn->contents;
|
3614 |
225 |
jeremybenn |
b < sdyn->contents + sdyn->size;
|
3615 |
|
|
b += SCORE_ELF_DYN_SIZE (dynobj))
|
3616 |
|
|
{
|
3617 |
|
|
Elf_Internal_Dyn dyn;
|
3618 |
|
|
const char *name;
|
3619 |
|
|
size_t elemsize;
|
3620 |
|
|
bfd_boolean swap_out_p;
|
3621 |
24 |
jeremybenn |
|
3622 |
225 |
jeremybenn |
/* Read in the current dynamic entry. */
|
3623 |
|
|
(*get_elf_backend_data (dynobj)->s->swap_dyn_in) (dynobj, b, &dyn);
|
3624 |
24 |
jeremybenn |
|
3625 |
225 |
jeremybenn |
/* Assume that we're going to modify it and write it out. */
|
3626 |
|
|
swap_out_p = TRUE;
|
3627 |
24 |
jeremybenn |
|
3628 |
225 |
jeremybenn |
switch (dyn.d_tag)
|
3629 |
|
|
{
|
3630 |
|
|
case DT_RELENT:
|
3631 |
|
|
s = score_elf_rel_dyn_section (dynobj, FALSE);
|
3632 |
|
|
BFD_ASSERT (s != NULL);
|
3633 |
|
|
dyn.d_un.d_val = SCORE_ELF_REL_SIZE (dynobj);
|
3634 |
|
|
break;
|
3635 |
24 |
jeremybenn |
|
3636 |
225 |
jeremybenn |
case DT_STRSZ:
|
3637 |
|
|
/* Rewrite DT_STRSZ. */
|
3638 |
|
|
dyn.d_un.d_val = _bfd_elf_strtab_size (elf_hash_table (info)->dynstr);
|
3639 |
|
|
break;
|
3640 |
24 |
jeremybenn |
|
3641 |
225 |
jeremybenn |
case DT_PLTGOT:
|
3642 |
|
|
name = ".got";
|
3643 |
|
|
s = bfd_get_section_by_name (output_bfd, name);
|
3644 |
|
|
BFD_ASSERT (s != NULL);
|
3645 |
|
|
dyn.d_un.d_ptr = s->vma;
|
3646 |
|
|
break;
|
3647 |
24 |
jeremybenn |
|
3648 |
225 |
jeremybenn |
case DT_SCORE_BASE_ADDRESS:
|
3649 |
|
|
s = output_bfd->sections;
|
3650 |
|
|
BFD_ASSERT (s != NULL);
|
3651 |
|
|
dyn.d_un.d_ptr = s->vma & ~(bfd_vma) 0xffff;
|
3652 |
|
|
break;
|
3653 |
24 |
jeremybenn |
|
3654 |
225 |
jeremybenn |
case DT_SCORE_LOCAL_GOTNO:
|
3655 |
|
|
dyn.d_un.d_val = g->local_gotno;
|
3656 |
|
|
break;
|
3657 |
24 |
jeremybenn |
|
3658 |
225 |
jeremybenn |
case DT_SCORE_UNREFEXTNO:
|
3659 |
|
|
/* The index into the dynamic symbol table which is the
|
3660 |
|
|
entry of the first external symbol that is not
|
3661 |
|
|
referenced within the same object. */
|
3662 |
|
|
dyn.d_un.d_val = bfd_count_sections (output_bfd) + 1;
|
3663 |
|
|
break;
|
3664 |
24 |
jeremybenn |
|
3665 |
225 |
jeremybenn |
case DT_SCORE_GOTSYM:
|
3666 |
|
|
if (g->global_gotsym)
|
3667 |
|
|
{
|
3668 |
|
|
dyn.d_un.d_val = g->global_gotsym->dynindx;
|
3669 |
|
|
break;
|
3670 |
|
|
}
|
3671 |
|
|
/* In case if we don't have global got symbols we default
|
3672 |
|
|
to setting DT_SCORE_GOTSYM to the same value as
|
3673 |
|
|
DT_SCORE_SYMTABNO, so we just fall through. */
|
3674 |
24 |
jeremybenn |
|
3675 |
225 |
jeremybenn |
case DT_SCORE_SYMTABNO:
|
3676 |
|
|
name = ".dynsym";
|
3677 |
|
|
elemsize = SCORE_ELF_SYM_SIZE (output_bfd);
|
3678 |
|
|
s = bfd_get_section_by_name (output_bfd, name);
|
3679 |
|
|
BFD_ASSERT (s != NULL);
|
3680 |
24 |
jeremybenn |
|
3681 |
225 |
jeremybenn |
dyn.d_un.d_val = s->size / elemsize;
|
3682 |
|
|
break;
|
3683 |
24 |
jeremybenn |
|
3684 |
225 |
jeremybenn |
case DT_SCORE_HIPAGENO:
|
3685 |
|
|
dyn.d_un.d_val = g->local_gotno - SCORE_RESERVED_GOTNO;
|
3686 |
|
|
break;
|
3687 |
24 |
jeremybenn |
|
3688 |
225 |
jeremybenn |
default:
|
3689 |
|
|
swap_out_p = FALSE;
|
3690 |
|
|
break;
|
3691 |
|
|
}
|
3692 |
24 |
jeremybenn |
|
3693 |
225 |
jeremybenn |
if (swap_out_p)
|
3694 |
|
|
(*get_elf_backend_data (dynobj)->s->swap_dyn_out) (dynobj, &dyn, b);
|
3695 |
|
|
}
|
3696 |
24 |
jeremybenn |
}
|
3697 |
|
|
|
3698 |
|
|
/* The first entry of the global offset table will be filled at
|
3699 |
|
|
runtime. The second entry will be used by some runtime loaders.
|
3700 |
|
|
This isn't the case of IRIX rld. */
|
3701 |
|
|
if (sgot != NULL && sgot->size > 0)
|
3702 |
|
|
{
|
3703 |
225 |
jeremybenn |
score_bfd_put_32 (output_bfd, 0, sgot->contents);
|
3704 |
|
|
score_bfd_put_32 (output_bfd, 0x80000000, sgot->contents + SCORE_ELF_GOT_SIZE (output_bfd));
|
3705 |
24 |
jeremybenn |
}
|
3706 |
|
|
|
3707 |
|
|
if (sgot != NULL)
|
3708 |
|
|
elf_section_data (sgot->output_section)->this_hdr.sh_entsize
|
3709 |
|
|
= SCORE_ELF_GOT_SIZE (output_bfd);
|
3710 |
|
|
|
3711 |
|
|
|
3712 |
|
|
/* We need to sort the entries of the dynamic relocation section. */
|
3713 |
|
|
s = score_elf_rel_dyn_section (dynobj, FALSE);
|
3714 |
|
|
|
3715 |
|
|
if (s != NULL && s->size > (bfd_vma)2 * SCORE_ELF_REL_SIZE (output_bfd))
|
3716 |
|
|
{
|
3717 |
|
|
reldyn_sorting_bfd = output_bfd;
|
3718 |
|
|
qsort ((Elf32_External_Rel *) s->contents + 1, s->reloc_count - 1,
|
3719 |
225 |
jeremybenn |
sizeof (Elf32_External_Rel), score_elf_sort_dynamic_relocs);
|
3720 |
24 |
jeremybenn |
}
|
3721 |
|
|
|
3722 |
|
|
return TRUE;
|
3723 |
|
|
}
|
3724 |
|
|
|
3725 |
|
|
/* This function set up the ELF section header for a BFD section in preparation for writing
|
3726 |
|
|
it out. This is where the flags and type fields are set for unusual sections. */
|
3727 |
|
|
static bfd_boolean
|
3728 |
225 |
jeremybenn |
s3_bfd_score_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
|
3729 |
|
|
Elf_Internal_Shdr *hdr,
|
3730 |
|
|
asection *sec)
|
3731 |
24 |
jeremybenn |
{
|
3732 |
|
|
const char *name;
|
3733 |
|
|
|
3734 |
|
|
name = bfd_get_section_name (abfd, sec);
|
3735 |
|
|
|
3736 |
|
|
if (strcmp (name, ".got") == 0
|
3737 |
|
|
|| strcmp (name, ".srdata") == 0
|
3738 |
|
|
|| strcmp (name, ".sdata") == 0
|
3739 |
|
|
|| strcmp (name, ".sbss") == 0)
|
3740 |
|
|
hdr->sh_flags |= SHF_SCORE_GPREL;
|
3741 |
|
|
|
3742 |
|
|
return TRUE;
|
3743 |
|
|
}
|
3744 |
|
|
|
3745 |
|
|
/* This function do additional processing on the ELF section header before writing
|
3746 |
|
|
it out. This is used to set the flags and type fields for some sections. */
|
3747 |
|
|
|
3748 |
|
|
/* assign_file_positions_except_relocs() check section flag and if it is allocatable,
|
3749 |
|
|
warning message will be issued. backend_fake_section is called before
|
3750 |
|
|
assign_file_positions_except_relocs(); backend_section_processing after it. so, we
|
3751 |
|
|
modify section flag there, but not backend_fake_section. */
|
3752 |
|
|
static bfd_boolean
|
3753 |
225 |
jeremybenn |
s3_bfd_score_elf_section_processing (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *hdr)
|
3754 |
24 |
jeremybenn |
{
|
3755 |
|
|
if (hdr->bfd_section != NULL)
|
3756 |
|
|
{
|
3757 |
|
|
const char *name = bfd_get_section_name (abfd, hdr->bfd_section);
|
3758 |
|
|
|
3759 |
|
|
if (strcmp (name, ".sdata") == 0)
|
3760 |
225 |
jeremybenn |
{
|
3761 |
|
|
hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
|
3762 |
|
|
hdr->sh_type = SHT_PROGBITS;
|
3763 |
|
|
}
|
3764 |
24 |
jeremybenn |
else if (strcmp (name, ".sbss") == 0)
|
3765 |
225 |
jeremybenn |
{
|
3766 |
|
|
hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
|
3767 |
|
|
hdr->sh_type = SHT_NOBITS;
|
3768 |
|
|
}
|
3769 |
24 |
jeremybenn |
else if (strcmp (name, ".srdata") == 0)
|
3770 |
225 |
jeremybenn |
{
|
3771 |
|
|
hdr->sh_flags |= SHF_ALLOC | SHF_SCORE_GPREL;
|
3772 |
|
|
hdr->sh_type = SHT_PROGBITS;
|
3773 |
|
|
}
|
3774 |
24 |
jeremybenn |
}
|
3775 |
|
|
|
3776 |
|
|
return TRUE;
|
3777 |
|
|
}
|
3778 |
|
|
|
3779 |
|
|
static bfd_boolean
|
3780 |
225 |
jeremybenn |
s3_bfd_score_elf_write_section (bfd *output_bfd, asection *sec, bfd_byte *contents)
|
3781 |
24 |
jeremybenn |
{
|
3782 |
|
|
bfd_byte *to, *from, *end;
|
3783 |
|
|
int i;
|
3784 |
|
|
|
3785 |
|
|
if (strcmp (sec->name, ".pdr") != 0)
|
3786 |
|
|
return FALSE;
|
3787 |
|
|
|
3788 |
|
|
if (score_elf_section_data (sec)->u.tdata == NULL)
|
3789 |
|
|
return FALSE;
|
3790 |
|
|
|
3791 |
|
|
to = contents;
|
3792 |
|
|
end = contents + sec->size;
|
3793 |
|
|
for (from = contents, i = 0; from < end; from += PDR_SIZE, i++)
|
3794 |
|
|
{
|
3795 |
|
|
if ((score_elf_section_data (sec)->u.tdata)[i] == 1)
|
3796 |
|
|
continue;
|
3797 |
|
|
|
3798 |
|
|
if (to != from)
|
3799 |
|
|
memcpy (to, from, PDR_SIZE);
|
3800 |
|
|
|
3801 |
|
|
to += PDR_SIZE;
|
3802 |
|
|
}
|
3803 |
|
|
bfd_set_section_contents (output_bfd, sec->output_section, contents,
|
3804 |
|
|
(file_ptr) sec->output_offset, sec->size);
|
3805 |
|
|
|
3806 |
|
|
return TRUE;
|
3807 |
|
|
}
|
3808 |
|
|
|
3809 |
|
|
/* Copy data from a SCORE ELF indirect symbol to its direct symbol, hiding the old
|
3810 |
|
|
indirect symbol. Process additional relocation information. */
|
3811 |
|
|
static void
|
3812 |
225 |
jeremybenn |
s3_bfd_score_elf_copy_indirect_symbol (struct bfd_link_info *info,
|
3813 |
|
|
struct elf_link_hash_entry *dir,
|
3814 |
|
|
struct elf_link_hash_entry *ind)
|
3815 |
24 |
jeremybenn |
{
|
3816 |
|
|
struct score_elf_link_hash_entry *dirscore, *indscore;
|
3817 |
|
|
|
3818 |
|
|
_bfd_elf_link_hash_copy_indirect (info, dir, ind);
|
3819 |
|
|
|
3820 |
|
|
if (ind->root.type != bfd_link_hash_indirect)
|
3821 |
|
|
return;
|
3822 |
|
|
|
3823 |
|
|
dirscore = (struct score_elf_link_hash_entry *) dir;
|
3824 |
|
|
indscore = (struct score_elf_link_hash_entry *) ind;
|
3825 |
|
|
dirscore->possibly_dynamic_relocs += indscore->possibly_dynamic_relocs;
|
3826 |
|
|
|
3827 |
|
|
if (indscore->readonly_reloc)
|
3828 |
|
|
dirscore->readonly_reloc = TRUE;
|
3829 |
|
|
|
3830 |
|
|
if (indscore->no_fn_stub)
|
3831 |
|
|
dirscore->no_fn_stub = TRUE;
|
3832 |
|
|
}
|
3833 |
|
|
|
3834 |
|
|
/* Remove information about discarded functions from other sections which mention them. */
|
3835 |
|
|
static bfd_boolean
|
3836 |
225 |
jeremybenn |
s3_bfd_score_elf_discard_info (bfd *abfd, struct elf_reloc_cookie *cookie,
|
3837 |
|
|
struct bfd_link_info *info)
|
3838 |
24 |
jeremybenn |
{
|
3839 |
|
|
asection *o;
|
3840 |
|
|
bfd_boolean ret = FALSE;
|
3841 |
|
|
unsigned char *tdata;
|
3842 |
|
|
size_t i, skip;
|
3843 |
|
|
|
3844 |
|
|
o = bfd_get_section_by_name (abfd, ".pdr");
|
3845 |
|
|
if ((!o) || (o->size == 0) || (o->size % PDR_SIZE != 0)
|
3846 |
|
|
|| (o->output_section != NULL && bfd_is_abs_section (o->output_section)))
|
3847 |
|
|
return FALSE;
|
3848 |
|
|
|
3849 |
|
|
tdata = bfd_zmalloc (o->size / PDR_SIZE);
|
3850 |
|
|
if (!tdata)
|
3851 |
|
|
return FALSE;
|
3852 |
|
|
|
3853 |
|
|
cookie->rels = _bfd_elf_link_read_relocs (abfd, o, NULL, NULL, info->keep_memory);
|
3854 |
|
|
if (!cookie->rels)
|
3855 |
|
|
{
|
3856 |
|
|
free (tdata);
|
3857 |
|
|
return FALSE;
|
3858 |
|
|
}
|
3859 |
|
|
|
3860 |
|
|
cookie->rel = cookie->rels;
|
3861 |
|
|
cookie->relend = cookie->rels + o->reloc_count;
|
3862 |
|
|
|
3863 |
|
|
for (i = 0, skip = 0; i < o->size; i++)
|
3864 |
|
|
{
|
3865 |
|
|
if (bfd_elf_reloc_symbol_deleted_p (i * PDR_SIZE, cookie))
|
3866 |
|
|
{
|
3867 |
|
|
tdata[i] = 1;
|
3868 |
|
|
skip++;
|
3869 |
|
|
}
|
3870 |
|
|
}
|
3871 |
|
|
|
3872 |
|
|
if (skip != 0)
|
3873 |
|
|
{
|
3874 |
|
|
score_elf_section_data (o)->u.tdata = tdata;
|
3875 |
|
|
o->size -= skip * PDR_SIZE;
|
3876 |
|
|
ret = TRUE;
|
3877 |
|
|
}
|
3878 |
|
|
else
|
3879 |
|
|
free (tdata);
|
3880 |
|
|
|
3881 |
|
|
if (!info->keep_memory)
|
3882 |
|
|
free (cookie->rels);
|
3883 |
|
|
|
3884 |
|
|
return ret;
|
3885 |
|
|
}
|
3886 |
|
|
|
3887 |
|
|
/* Signal that discard_info() has removed the discarded relocations for this section. */
|
3888 |
|
|
static bfd_boolean
|
3889 |
225 |
jeremybenn |
s3_bfd_score_elf_ignore_discarded_relocs (asection *sec)
|
3890 |
24 |
jeremybenn |
{
|
3891 |
|
|
if (strcmp (sec->name, ".pdr") == 0)
|
3892 |
|
|
return TRUE;
|
3893 |
|
|
return FALSE;
|
3894 |
|
|
}
|
3895 |
|
|
|
3896 |
|
|
/* Return the section that should be marked against GC for a given
|
3897 |
|
|
relocation. */
|
3898 |
|
|
static asection *
|
3899 |
225 |
jeremybenn |
s3_bfd_score_elf_gc_mark_hook (asection *sec,
|
3900 |
|
|
struct bfd_link_info *info,
|
3901 |
|
|
Elf_Internal_Rela *rel,
|
3902 |
|
|
struct elf_link_hash_entry *h,
|
3903 |
|
|
Elf_Internal_Sym *sym)
|
3904 |
24 |
jeremybenn |
{
|
3905 |
|
|
if (h != NULL)
|
3906 |
|
|
switch (ELF32_R_TYPE (rel->r_info))
|
3907 |
|
|
{
|
3908 |
|
|
case R_SCORE_GNU_VTINHERIT:
|
3909 |
|
|
case R_SCORE_GNU_VTENTRY:
|
3910 |
225 |
jeremybenn |
return NULL;
|
3911 |
24 |
jeremybenn |
}
|
3912 |
|
|
|
3913 |
|
|
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
|
3914 |
|
|
}
|
3915 |
|
|
|
3916 |
|
|
/* Support for core dump NOTE sections. */
|
3917 |
|
|
|
3918 |
|
|
static bfd_boolean
|
3919 |
225 |
jeremybenn |
s3_bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
|
3920 |
24 |
jeremybenn |
{
|
3921 |
|
|
int offset;
|
3922 |
|
|
unsigned int raw_size;
|
3923 |
|
|
|
3924 |
|
|
switch (note->descsz)
|
3925 |
|
|
{
|
3926 |
|
|
default:
|
3927 |
|
|
return FALSE;
|
3928 |
|
|
|
3929 |
|
|
case 148: /* Linux/Score 32-bit. */
|
3930 |
|
|
/* pr_cursig */
|
3931 |
225 |
jeremybenn |
elf_tdata (abfd)->core_signal = score_bfd_get_16 (abfd, note->descdata + 12);
|
3932 |
24 |
jeremybenn |
|
3933 |
|
|
/* pr_pid */
|
3934 |
225 |
jeremybenn |
elf_tdata (abfd)->core_pid = score_bfd_get_32 (abfd, note->descdata + 24);
|
3935 |
24 |
jeremybenn |
|
3936 |
|
|
/* pr_reg */
|
3937 |
|
|
offset = 72;
|
3938 |
|
|
raw_size = 72;
|
3939 |
|
|
|
3940 |
|
|
break;
|
3941 |
|
|
}
|
3942 |
|
|
|
3943 |
|
|
/* Make a ".reg/999" section. */
|
3944 |
|
|
return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size, note->descpos + offset);
|
3945 |
|
|
}
|
3946 |
|
|
|
3947 |
|
|
static bfd_boolean
|
3948 |
225 |
jeremybenn |
s3_bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
|
3949 |
24 |
jeremybenn |
{
|
3950 |
|
|
switch (note->descsz)
|
3951 |
|
|
{
|
3952 |
|
|
default:
|
3953 |
|
|
return FALSE;
|
3954 |
|
|
|
3955 |
|
|
case 124: /* Linux/Score elf_prpsinfo. */
|
3956 |
|
|
elf_tdata (abfd)->core_program = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
|
3957 |
|
|
elf_tdata (abfd)->core_command = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
|
3958 |
|
|
}
|
3959 |
|
|
|
3960 |
|
|
/* Note that for some reason, a spurious space is tacked
|
3961 |
|
|
onto the end of the args in some (at least one anyway)
|
3962 |
|
|
implementations, so strip it off if it exists. */
|
3963 |
|
|
|
3964 |
|
|
{
|
3965 |
|
|
char *command = elf_tdata (abfd)->core_command;
|
3966 |
|
|
int n = strlen (command);
|
3967 |
|
|
|
3968 |
|
|
if (0 < n && command[n - 1] == ' ')
|
3969 |
|
|
command[n - 1] = '\0';
|
3970 |
|
|
}
|
3971 |
|
|
|
3972 |
|
|
return TRUE;
|
3973 |
|
|
}
|
3974 |
|
|
|
3975 |
|
|
|
3976 |
|
|
/* Score BFD functions. */
|
3977 |
|
|
static reloc_howto_type *
|
3978 |
225 |
jeremybenn |
s3_elf32_score_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
|
3979 |
24 |
jeremybenn |
{
|
3980 |
|
|
unsigned int i;
|
3981 |
|
|
|
3982 |
225 |
jeremybenn |
for (i = 0; i < ARRAY_SIZE (elf32_score_reloc_map); i++)
|
3983 |
24 |
jeremybenn |
if (elf32_score_reloc_map[i].bfd_reloc_val == code)
|
3984 |
|
|
return &elf32_score_howto_table[elf32_score_reloc_map[i].elf_reloc_val];
|
3985 |
|
|
|
3986 |
|
|
return NULL;
|
3987 |
|
|
}
|
3988 |
|
|
|
3989 |
|
|
static reloc_howto_type *
|
3990 |
|
|
elf32_score_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
3991 |
225 |
jeremybenn |
const char *r_name)
|
3992 |
24 |
jeremybenn |
{
|
3993 |
|
|
unsigned int i;
|
3994 |
|
|
|
3995 |
|
|
for (i = 0;
|
3996 |
|
|
i < (sizeof (elf32_score_howto_table)
|
3997 |
225 |
jeremybenn |
/ sizeof (elf32_score_howto_table[0]));
|
3998 |
24 |
jeremybenn |
i++)
|
3999 |
|
|
if (elf32_score_howto_table[i].name != NULL
|
4000 |
225 |
jeremybenn |
&& strcasecmp (elf32_score_howto_table[i].name, r_name) == 0)
|
4001 |
24 |
jeremybenn |
return &elf32_score_howto_table[i];
|
4002 |
|
|
|
4003 |
|
|
return NULL;
|
4004 |
|
|
}
|
4005 |
|
|
|
4006 |
|
|
/* Create a score elf linker hash table. */
|
4007 |
|
|
|
4008 |
|
|
static struct bfd_link_hash_table *
|
4009 |
225 |
jeremybenn |
s3_elf32_score_link_hash_table_create (bfd *abfd)
|
4010 |
24 |
jeremybenn |
{
|
4011 |
|
|
struct score_elf_link_hash_table *ret;
|
4012 |
|
|
bfd_size_type amt = sizeof (struct score_elf_link_hash_table);
|
4013 |
|
|
|
4014 |
|
|
ret = bfd_malloc (amt);
|
4015 |
|
|
if (ret == NULL)
|
4016 |
|
|
return NULL;
|
4017 |
|
|
|
4018 |
|
|
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, score_elf_link_hash_newfunc,
|
4019 |
225 |
jeremybenn |
sizeof (struct score_elf_link_hash_entry)))
|
4020 |
24 |
jeremybenn |
{
|
4021 |
|
|
free (ret);
|
4022 |
|
|
return NULL;
|
4023 |
|
|
}
|
4024 |
|
|
|
4025 |
|
|
return &ret->root.root;
|
4026 |
|
|
}
|
4027 |
|
|
|
4028 |
|
|
static bfd_boolean
|
4029 |
225 |
jeremybenn |
s3_elf32_score_print_private_bfd_data (bfd *abfd, void * ptr)
|
4030 |
24 |
jeremybenn |
{
|
4031 |
|
|
FILE *file = (FILE *) ptr;
|
4032 |
|
|
|
4033 |
|
|
BFD_ASSERT (abfd != NULL && ptr != NULL);
|
4034 |
|
|
|
4035 |
|
|
/* Print normal ELF private data. */
|
4036 |
|
|
_bfd_elf_print_private_bfd_data (abfd, ptr);
|
4037 |
|
|
|
4038 |
|
|
/* xgettext:c-format */
|
4039 |
|
|
fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
|
4040 |
|
|
if (elf_elfheader (abfd)->e_flags & EF_SCORE_PIC)
|
4041 |
|
|
{
|
4042 |
|
|
fprintf (file, _(" [pic]"));
|
4043 |
|
|
}
|
4044 |
|
|
if (elf_elfheader (abfd)->e_flags & EF_SCORE_FIXDEP)
|
4045 |
|
|
{
|
4046 |
|
|
fprintf (file, _(" [fix dep]"));
|
4047 |
|
|
}
|
4048 |
|
|
fputc ('\n', file);
|
4049 |
|
|
|
4050 |
|
|
return TRUE;
|
4051 |
|
|
}
|
4052 |
|
|
|
4053 |
|
|
static bfd_boolean
|
4054 |
225 |
jeremybenn |
s3_elf32_score_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
4055 |
24 |
jeremybenn |
{
|
4056 |
|
|
flagword in_flags;
|
4057 |
|
|
flagword out_flags;
|
4058 |
|
|
|
4059 |
|
|
if (!_bfd_generic_verify_endian_match (ibfd, obfd))
|
4060 |
|
|
return FALSE;
|
4061 |
|
|
|
4062 |
|
|
in_flags = elf_elfheader (ibfd)->e_flags;
|
4063 |
|
|
out_flags = elf_elfheader (obfd)->e_flags;
|
4064 |
|
|
|
4065 |
|
|
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
4066 |
|
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
4067 |
|
|
return TRUE;
|
4068 |
|
|
|
4069 |
|
|
in_flags = elf_elfheader (ibfd)->e_flags;
|
4070 |
|
|
out_flags = elf_elfheader (obfd)->e_flags;
|
4071 |
|
|
|
4072 |
|
|
if (! elf_flags_init (obfd))
|
4073 |
|
|
{
|
4074 |
|
|
elf_flags_init (obfd) = TRUE;
|
4075 |
|
|
elf_elfheader (obfd)->e_flags = in_flags;
|
4076 |
|
|
|
4077 |
|
|
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
|
4078 |
225 |
jeremybenn |
&& bfd_get_arch_info (obfd)->the_default)
|
4079 |
|
|
{
|
4080 |
|
|
return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
|
4081 |
|
|
}
|
4082 |
24 |
jeremybenn |
|
4083 |
|
|
return TRUE;
|
4084 |
|
|
}
|
4085 |
|
|
|
4086 |
|
|
if (((in_flags & EF_SCORE_PIC) != 0) != ((out_flags & EF_SCORE_PIC) != 0))
|
4087 |
|
|
{
|
4088 |
|
|
(*_bfd_error_handler) (_("%B: warning: linking PIC files with non-PIC files"), ibfd);
|
4089 |
|
|
}
|
4090 |
|
|
|
4091 |
|
|
/* FIXME: Maybe dependency fix compatibility should be checked here. */
|
4092 |
|
|
|
4093 |
|
|
return TRUE;
|
4094 |
|
|
}
|
4095 |
|
|
|
4096 |
|
|
static bfd_boolean
|
4097 |
225 |
jeremybenn |
s3_elf32_score_new_section_hook (bfd *abfd, asection *sec)
|
4098 |
24 |
jeremybenn |
{
|
4099 |
|
|
struct _score_elf_section_data *sdata;
|
4100 |
|
|
bfd_size_type amt = sizeof (*sdata);
|
4101 |
|
|
|
4102 |
|
|
sdata = bfd_zalloc (abfd, amt);
|
4103 |
|
|
if (sdata == NULL)
|
4104 |
|
|
return FALSE;
|
4105 |
|
|
sec->used_by_bfd = sdata;
|
4106 |
|
|
|
4107 |
|
|
return _bfd_elf_new_section_hook (abfd, sec);
|
4108 |
|
|
}
|
4109 |
|
|
|
4110 |
225 |
jeremybenn |
/*****************************************************************************/
|
4111 |
24 |
jeremybenn |
|
4112 |
225 |
jeremybenn |
/* s3_s7: backend hooks. */
|
4113 |
|
|
static void
|
4114 |
|
|
_bfd_score_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
4115 |
|
|
arelent *bfd_reloc,
|
4116 |
|
|
Elf_Internal_Rela *elf_reloc)
|
4117 |
|
|
{
|
4118 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4119 |
|
|
return s3_bfd_score_info_to_howto (abfd, bfd_reloc, elf_reloc);
|
4120 |
|
|
else
|
4121 |
|
|
return s7_bfd_score_info_to_howto (abfd, bfd_reloc, elf_reloc);
|
4122 |
|
|
}
|
4123 |
|
|
|
4124 |
|
|
static bfd_boolean
|
4125 |
|
|
_bfd_score_elf_relocate_section (bfd *output_bfd,
|
4126 |
|
|
struct bfd_link_info *info,
|
4127 |
|
|
bfd *input_bfd,
|
4128 |
|
|
asection *input_section,
|
4129 |
|
|
bfd_byte *contents,
|
4130 |
|
|
Elf_Internal_Rela *relocs,
|
4131 |
|
|
Elf_Internal_Sym *local_syms,
|
4132 |
|
|
asection **local_sections)
|
4133 |
|
|
{
|
4134 |
|
|
if (bfd_get_mach (output_bfd) == bfd_mach_score3)
|
4135 |
|
|
return s3_bfd_score_elf_relocate_section (output_bfd,
|
4136 |
|
|
info, input_bfd, input_section, contents, relocs,
|
4137 |
|
|
local_syms, local_sections);
|
4138 |
|
|
else
|
4139 |
|
|
return s7_bfd_score_elf_relocate_section (output_bfd,
|
4140 |
|
|
info, input_bfd, input_section, contents, relocs,
|
4141 |
|
|
local_syms, local_sections);
|
4142 |
|
|
}
|
4143 |
|
|
|
4144 |
|
|
static bfd_boolean
|
4145 |
|
|
_bfd_score_elf_check_relocs (bfd *abfd,
|
4146 |
|
|
struct bfd_link_info *info,
|
4147 |
|
|
asection *sec,
|
4148 |
|
|
const Elf_Internal_Rela *relocs)
|
4149 |
|
|
{
|
4150 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4151 |
|
|
return s3_bfd_score_elf_check_relocs (abfd, info, sec, relocs);
|
4152 |
|
|
else
|
4153 |
|
|
return s7_bfd_score_elf_check_relocs (abfd, info, sec, relocs);
|
4154 |
|
|
}
|
4155 |
|
|
|
4156 |
|
|
static bfd_boolean
|
4157 |
|
|
_bfd_score_elf_add_symbol_hook (bfd *abfd,
|
4158 |
|
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
4159 |
|
|
Elf_Internal_Sym *sym,
|
4160 |
|
|
const char **namep ATTRIBUTE_UNUSED,
|
4161 |
|
|
flagword *flagsp ATTRIBUTE_UNUSED,
|
4162 |
|
|
asection **secp,
|
4163 |
|
|
bfd_vma *valp)
|
4164 |
|
|
{
|
4165 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4166 |
|
|
return s3_bfd_score_elf_add_symbol_hook (abfd, info, sym, namep, flagsp,
|
4167 |
|
|
secp, valp);
|
4168 |
|
|
else
|
4169 |
|
|
return s7_bfd_score_elf_add_symbol_hook (abfd, info, sym, namep, flagsp,
|
4170 |
|
|
secp, valp);
|
4171 |
|
|
}
|
4172 |
|
|
|
4173 |
|
|
static void
|
4174 |
|
|
_bfd_score_elf_symbol_processing (bfd *abfd, asymbol *asym)
|
4175 |
|
|
{
|
4176 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4177 |
|
|
return s3_bfd_score_elf_symbol_processing (abfd, asym);
|
4178 |
|
|
else
|
4179 |
|
|
return s7_bfd_score_elf_symbol_processing (abfd, asym);
|
4180 |
|
|
}
|
4181 |
|
|
|
4182 |
|
|
static int
|
4183 |
|
|
_bfd_score_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
4184 |
|
|
const char *name ATTRIBUTE_UNUSED,
|
4185 |
|
|
Elf_Internal_Sym *sym,
|
4186 |
|
|
asection *input_sec,
|
4187 |
|
|
struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
|
4188 |
|
|
{
|
4189 |
|
|
/* If link a empty .o, then this filed is NULL. */
|
4190 |
|
|
if (info->input_bfds == NULL)
|
4191 |
|
|
{
|
4192 |
|
|
/* If we see a common symbol, which implies a relocatable link, then
|
4193 |
|
|
if a symbol was small common in an input file, mark it as small
|
4194 |
|
|
common in the output file. */
|
4195 |
|
|
if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
|
4196 |
|
|
sym->st_shndx = SHN_SCORE_SCOMMON;
|
4197 |
|
|
return 1;
|
4198 |
|
|
}
|
4199 |
|
|
|
4200 |
|
|
if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
|
4201 |
|
|
return s3_bfd_score_elf_link_output_symbol_hook (info, name, sym, input_sec, h);
|
4202 |
|
|
else
|
4203 |
|
|
return s7_bfd_score_elf_link_output_symbol_hook (info, name, sym, input_sec, h);
|
4204 |
|
|
}
|
4205 |
|
|
|
4206 |
|
|
static bfd_boolean
|
4207 |
|
|
_bfd_score_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
|
4208 |
|
|
asection *sec,
|
4209 |
|
|
int *retval)
|
4210 |
|
|
{
|
4211 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4212 |
|
|
return s3_bfd_score_elf_section_from_bfd_section (abfd, sec, retval);
|
4213 |
|
|
else
|
4214 |
|
|
return s7_bfd_score_elf_section_from_bfd_section (abfd, sec, retval);
|
4215 |
|
|
}
|
4216 |
|
|
|
4217 |
|
|
static bfd_boolean
|
4218 |
|
|
_bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
4219 |
|
|
struct elf_link_hash_entry *h)
|
4220 |
|
|
{
|
4221 |
|
|
if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
|
4222 |
|
|
return s3_bfd_score_elf_adjust_dynamic_symbol (info, h);
|
4223 |
|
|
else
|
4224 |
|
|
return s7_bfd_score_elf_adjust_dynamic_symbol (info, h);
|
4225 |
|
|
}
|
4226 |
|
|
|
4227 |
|
|
static bfd_boolean
|
4228 |
|
|
_bfd_score_elf_always_size_sections (bfd *output_bfd,
|
4229 |
|
|
struct bfd_link_info *info)
|
4230 |
|
|
{
|
4231 |
|
|
if (bfd_get_mach (output_bfd) == bfd_mach_score3)
|
4232 |
|
|
return s3_bfd_score_elf_always_size_sections (output_bfd, info);
|
4233 |
|
|
else
|
4234 |
|
|
return s7_bfd_score_elf_always_size_sections (output_bfd, info);
|
4235 |
|
|
}
|
4236 |
|
|
|
4237 |
|
|
static bfd_boolean
|
4238 |
|
|
_bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
|
4239 |
|
|
{
|
4240 |
|
|
if (bfd_get_mach (output_bfd) == bfd_mach_score3)
|
4241 |
|
|
return s3_bfd_score_elf_size_dynamic_sections (output_bfd, info);
|
4242 |
|
|
else
|
4243 |
|
|
return s7_bfd_score_elf_size_dynamic_sections (output_bfd, info);
|
4244 |
|
|
}
|
4245 |
|
|
|
4246 |
|
|
static bfd_boolean
|
4247 |
|
|
_bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
|
4248 |
|
|
{
|
4249 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4250 |
|
|
return s3_bfd_score_elf_create_dynamic_sections (abfd, info);
|
4251 |
|
|
else
|
4252 |
|
|
return s7_bfd_score_elf_create_dynamic_sections (abfd, info);
|
4253 |
|
|
}
|
4254 |
|
|
|
4255 |
|
|
static bfd_boolean
|
4256 |
|
|
_bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd,
|
4257 |
|
|
struct bfd_link_info *info,
|
4258 |
|
|
struct elf_link_hash_entry *h,
|
4259 |
|
|
Elf_Internal_Sym *sym)
|
4260 |
|
|
{
|
4261 |
|
|
if (bfd_get_mach (output_bfd) == bfd_mach_score3)
|
4262 |
|
|
return s3_bfd_score_elf_finish_dynamic_symbol (output_bfd, info, h, sym);
|
4263 |
|
|
else
|
4264 |
|
|
return s7_bfd_score_elf_finish_dynamic_symbol (output_bfd, info, h, sym);
|
4265 |
|
|
}
|
4266 |
|
|
|
4267 |
|
|
static bfd_boolean
|
4268 |
|
|
_bfd_score_elf_finish_dynamic_sections (bfd *output_bfd,
|
4269 |
|
|
struct bfd_link_info *info)
|
4270 |
|
|
{
|
4271 |
|
|
if (bfd_get_mach (output_bfd) == bfd_mach_score3)
|
4272 |
|
|
return s3_bfd_score_elf_finish_dynamic_sections (output_bfd, info);
|
4273 |
|
|
else
|
4274 |
|
|
return s7_bfd_score_elf_finish_dynamic_sections (output_bfd, info);
|
4275 |
|
|
}
|
4276 |
|
|
|
4277 |
|
|
static bfd_boolean
|
4278 |
|
|
_bfd_score_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
|
4279 |
|
|
Elf_Internal_Shdr *hdr,
|
4280 |
|
|
asection *sec)
|
4281 |
|
|
{
|
4282 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4283 |
|
|
return s3_bfd_score_elf_fake_sections (abfd, hdr, sec);
|
4284 |
|
|
else
|
4285 |
|
|
return s7_bfd_score_elf_fake_sections (abfd, hdr, sec);
|
4286 |
|
|
}
|
4287 |
|
|
|
4288 |
|
|
static bfd_boolean
|
4289 |
|
|
_bfd_score_elf_section_processing (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *hdr)
|
4290 |
|
|
{
|
4291 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4292 |
|
|
return s3_bfd_score_elf_section_processing (abfd, hdr);
|
4293 |
|
|
else
|
4294 |
|
|
return s7_bfd_score_elf_section_processing (abfd, hdr);
|
4295 |
|
|
}
|
4296 |
|
|
|
4297 |
|
|
static bfd_boolean
|
4298 |
|
|
_bfd_score_elf_write_section (bfd *output_bfd,
|
4299 |
|
|
struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
|
4300 |
|
|
asection *sec, bfd_byte *contents)
|
4301 |
|
|
{
|
4302 |
|
|
if (bfd_get_mach (output_bfd) == bfd_mach_score3)
|
4303 |
|
|
return s3_bfd_score_elf_write_section (output_bfd, sec, contents);
|
4304 |
|
|
else
|
4305 |
|
|
return s7_bfd_score_elf_write_section (output_bfd, sec, contents);
|
4306 |
|
|
}
|
4307 |
|
|
|
4308 |
|
|
static void
|
4309 |
|
|
_bfd_score_elf_copy_indirect_symbol (struct bfd_link_info *info,
|
4310 |
|
|
struct elf_link_hash_entry *dir,
|
4311 |
|
|
struct elf_link_hash_entry *ind)
|
4312 |
|
|
{
|
4313 |
|
|
if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
|
4314 |
|
|
return s3_bfd_score_elf_copy_indirect_symbol (info, dir, ind);
|
4315 |
|
|
else
|
4316 |
|
|
return s7_bfd_score_elf_copy_indirect_symbol (info, dir, ind);
|
4317 |
|
|
}
|
4318 |
|
|
|
4319 |
|
|
static void
|
4320 |
|
|
_bfd_score_elf_hide_symbol (struct bfd_link_info *info,
|
4321 |
|
|
struct elf_link_hash_entry *entry,
|
4322 |
|
|
bfd_boolean force_local)
|
4323 |
|
|
{
|
4324 |
|
|
if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
|
4325 |
|
|
return s3_bfd_score_elf_hide_symbol (info, entry, force_local);
|
4326 |
|
|
else
|
4327 |
|
|
return s7_bfd_score_elf_hide_symbol (info, entry, force_local);
|
4328 |
|
|
}
|
4329 |
|
|
|
4330 |
|
|
static bfd_boolean
|
4331 |
|
|
_bfd_score_elf_discard_info (bfd *abfd, struct elf_reloc_cookie *cookie,
|
4332 |
|
|
struct bfd_link_info *info)
|
4333 |
|
|
{
|
4334 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4335 |
|
|
return s3_bfd_score_elf_discard_info (abfd, cookie, info);
|
4336 |
|
|
else
|
4337 |
|
|
return s7_bfd_score_elf_discard_info (abfd, cookie, info);
|
4338 |
|
|
}
|
4339 |
|
|
|
4340 |
|
|
static bfd_boolean
|
4341 |
|
|
_bfd_score_elf_ignore_discarded_relocs (asection *sec)
|
4342 |
|
|
{
|
4343 |
|
|
if (bfd_get_mach (sec->owner) == bfd_mach_score3)
|
4344 |
|
|
return s3_bfd_score_elf_ignore_discarded_relocs (sec);
|
4345 |
|
|
else
|
4346 |
|
|
return s7_bfd_score_elf_ignore_discarded_relocs (sec);
|
4347 |
|
|
}
|
4348 |
|
|
|
4349 |
|
|
static asection *
|
4350 |
|
|
_bfd_score_elf_gc_mark_hook (asection *sec,
|
4351 |
|
|
struct bfd_link_info *info,
|
4352 |
|
|
Elf_Internal_Rela *rel,
|
4353 |
|
|
struct elf_link_hash_entry *h,
|
4354 |
|
|
Elf_Internal_Sym *sym)
|
4355 |
|
|
{
|
4356 |
|
|
if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
|
4357 |
|
|
return s3_bfd_score_elf_gc_mark_hook (sec, info, rel, h, sym);
|
4358 |
|
|
else
|
4359 |
|
|
return s7_bfd_score_elf_gc_mark_hook (sec, info, rel, h, sym);
|
4360 |
|
|
}
|
4361 |
|
|
|
4362 |
|
|
static bfd_boolean
|
4363 |
|
|
_bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
|
4364 |
|
|
{
|
4365 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4366 |
|
|
return s3_bfd_score_elf_grok_prstatus (abfd, note);
|
4367 |
|
|
else
|
4368 |
|
|
return s7_bfd_score_elf_grok_prstatus (abfd, note);
|
4369 |
|
|
}
|
4370 |
|
|
|
4371 |
|
|
static bfd_boolean
|
4372 |
|
|
_bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
|
4373 |
|
|
{
|
4374 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4375 |
|
|
return s3_bfd_score_elf_grok_psinfo (abfd, note);
|
4376 |
|
|
else
|
4377 |
|
|
return s7_bfd_score_elf_grok_psinfo (abfd, note);
|
4378 |
|
|
}
|
4379 |
|
|
|
4380 |
|
|
static reloc_howto_type *
|
4381 |
|
|
elf32_score_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
|
4382 |
|
|
{
|
4383 |
|
|
/* s3: NOTE!!!
|
4384 |
|
|
gas will call elf32_score_reloc_type_lookup, and don't write elf file.
|
4385 |
|
|
So just using score3, but we don't know ld will call this or not.
|
4386 |
|
|
If so, this way can't work. */
|
4387 |
|
|
|
4388 |
|
|
if (score3)
|
4389 |
|
|
return s3_elf32_score_reloc_type_lookup (abfd, code);
|
4390 |
|
|
else
|
4391 |
|
|
return s7_elf32_score_reloc_type_lookup (abfd, code);
|
4392 |
|
|
}
|
4393 |
|
|
|
4394 |
|
|
static struct bfd_link_hash_table *
|
4395 |
|
|
elf32_score_link_hash_table_create (bfd *abfd)
|
4396 |
|
|
{
|
4397 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4398 |
|
|
return s3_elf32_score_link_hash_table_create (abfd);
|
4399 |
|
|
else
|
4400 |
|
|
return s7_elf32_score_link_hash_table_create (abfd);
|
4401 |
|
|
}
|
4402 |
|
|
|
4403 |
|
|
static bfd_boolean
|
4404 |
|
|
elf32_score_print_private_bfd_data (bfd *abfd, void * ptr)
|
4405 |
|
|
{
|
4406 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4407 |
|
|
return s3_elf32_score_print_private_bfd_data (abfd, ptr);
|
4408 |
|
|
else
|
4409 |
|
|
return s7_elf32_score_print_private_bfd_data (abfd, ptr);
|
4410 |
|
|
}
|
4411 |
|
|
|
4412 |
|
|
static bfd_boolean
|
4413 |
|
|
elf32_score_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
4414 |
|
|
{
|
4415 |
|
|
if (bfd_get_mach (obfd) == bfd_mach_score3)
|
4416 |
|
|
return s3_elf32_score_merge_private_bfd_data (ibfd, obfd);
|
4417 |
|
|
else
|
4418 |
|
|
return s7_elf32_score_merge_private_bfd_data (ibfd, obfd);
|
4419 |
|
|
}
|
4420 |
|
|
|
4421 |
|
|
static bfd_boolean
|
4422 |
|
|
elf32_score_new_section_hook (bfd *abfd, asection *sec)
|
4423 |
|
|
{
|
4424 |
|
|
if (bfd_get_mach (abfd) == bfd_mach_score3)
|
4425 |
|
|
return s3_elf32_score_new_section_hook (abfd, sec);
|
4426 |
|
|
else
|
4427 |
|
|
return s7_elf32_score_new_section_hook (abfd, sec);
|
4428 |
|
|
}
|
4429 |
|
|
|
4430 |
|
|
|
4431 |
|
|
/* s3_s7: don't need to split. */
|
4432 |
|
|
|
4433 |
|
|
/* Set the right machine number. */
|
4434 |
|
|
static bfd_boolean
|
4435 |
|
|
_bfd_score_elf_score_object_p (bfd * abfd)
|
4436 |
|
|
{
|
4437 |
|
|
int e_set = bfd_mach_score7;
|
4438 |
|
|
|
4439 |
|
|
if (elf_elfheader (abfd)->e_machine == EM_SCORE)
|
4440 |
|
|
{
|
4441 |
|
|
int e_mach = elf_elfheader (abfd)->e_flags & EF_SCORE_MACH & EF_OMIT_PIC_FIXDD;
|
4442 |
|
|
switch (e_mach)
|
4443 |
|
|
{
|
4444 |
|
|
/* Set default target is score7. */
|
4445 |
|
|
default:
|
4446 |
|
|
case E_SCORE_MACH_SCORE7:
|
4447 |
|
|
e_set = bfd_mach_score7;
|
4448 |
|
|
break;
|
4449 |
|
|
|
4450 |
|
|
case E_SCORE_MACH_SCORE3:
|
4451 |
|
|
e_set = bfd_mach_score3;
|
4452 |
|
|
break;
|
4453 |
|
|
}
|
4454 |
|
|
}
|
4455 |
|
|
|
4456 |
|
|
return bfd_default_set_arch_mach (abfd, bfd_arch_score, e_set);
|
4457 |
|
|
}
|
4458 |
|
|
|
4459 |
|
|
bfd_boolean
|
4460 |
|
|
_bfd_score_elf_common_definition (Elf_Internal_Sym *sym)
|
4461 |
|
|
{
|
4462 |
|
|
return (sym->st_shndx == SHN_COMMON || sym->st_shndx == SHN_SCORE_SCOMMON);
|
4463 |
|
|
}
|
4464 |
|
|
|
4465 |
|
|
/*****************************************************************************/
|
4466 |
|
|
|
4467 |
|
|
|
4468 |
24 |
jeremybenn |
#define USE_REL 1
|
4469 |
|
|
#define TARGET_LITTLE_SYM bfd_elf32_littlescore_vec
|
4470 |
|
|
#define TARGET_LITTLE_NAME "elf32-littlescore"
|
4471 |
|
|
#define TARGET_BIG_SYM bfd_elf32_bigscore_vec
|
4472 |
|
|
#define TARGET_BIG_NAME "elf32-bigscore"
|
4473 |
|
|
#define ELF_ARCH bfd_arch_score
|
4474 |
|
|
#define ELF_MACHINE_CODE EM_SCORE
|
4475 |
225 |
jeremybenn |
#define ELF_MACHINE_ALT1 EM_SCORE_OLD
|
4476 |
24 |
jeremybenn |
#define ELF_MAXPAGESIZE 0x8000
|
4477 |
|
|
|
4478 |
|
|
#define elf_info_to_howto 0
|
4479 |
|
|
#define elf_info_to_howto_rel _bfd_score_info_to_howto
|
4480 |
|
|
#define elf_backend_relocate_section _bfd_score_elf_relocate_section
|
4481 |
|
|
#define elf_backend_check_relocs _bfd_score_elf_check_relocs
|
4482 |
|
|
#define elf_backend_add_symbol_hook _bfd_score_elf_add_symbol_hook
|
4483 |
|
|
#define elf_backend_symbol_processing _bfd_score_elf_symbol_processing
|
4484 |
|
|
#define elf_backend_link_output_symbol_hook \
|
4485 |
|
|
_bfd_score_elf_link_output_symbol_hook
|
4486 |
|
|
#define elf_backend_section_from_bfd_section \
|
4487 |
|
|
_bfd_score_elf_section_from_bfd_section
|
4488 |
|
|
#define elf_backend_adjust_dynamic_symbol \
|
4489 |
|
|
_bfd_score_elf_adjust_dynamic_symbol
|
4490 |
|
|
#define elf_backend_always_size_sections \
|
4491 |
|
|
_bfd_score_elf_always_size_sections
|
4492 |
|
|
#define elf_backend_size_dynamic_sections \
|
4493 |
|
|
_bfd_score_elf_size_dynamic_sections
|
4494 |
|
|
#define elf_backend_omit_section_dynsym \
|
4495 |
|
|
((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
|
4496 |
|
|
#define elf_backend_create_dynamic_sections \
|
4497 |
|
|
_bfd_score_elf_create_dynamic_sections
|
4498 |
|
|
#define elf_backend_finish_dynamic_symbol \
|
4499 |
|
|
_bfd_score_elf_finish_dynamic_symbol
|
4500 |
|
|
#define elf_backend_finish_dynamic_sections \
|
4501 |
|
|
_bfd_score_elf_finish_dynamic_sections
|
4502 |
|
|
#define elf_backend_fake_sections _bfd_score_elf_fake_sections
|
4503 |
|
|
#define elf_backend_section_processing _bfd_score_elf_section_processing
|
4504 |
|
|
#define elf_backend_write_section _bfd_score_elf_write_section
|
4505 |
|
|
#define elf_backend_copy_indirect_symbol _bfd_score_elf_copy_indirect_symbol
|
4506 |
|
|
#define elf_backend_hide_symbol _bfd_score_elf_hide_symbol
|
4507 |
|
|
#define elf_backend_discard_info _bfd_score_elf_discard_info
|
4508 |
|
|
#define elf_backend_ignore_discarded_relocs \
|
4509 |
|
|
_bfd_score_elf_ignore_discarded_relocs
|
4510 |
|
|
#define elf_backend_gc_mark_hook _bfd_score_elf_gc_mark_hook
|
4511 |
|
|
#define elf_backend_grok_prstatus _bfd_score_elf_grok_prstatus
|
4512 |
|
|
#define elf_backend_grok_psinfo _bfd_score_elf_grok_psinfo
|
4513 |
|
|
#define elf_backend_can_gc_sections 1
|
4514 |
|
|
#define elf_backend_want_plt_sym 0
|
4515 |
|
|
#define elf_backend_got_header_size (4 * SCORE_RESERVED_GOTNO)
|
4516 |
|
|
#define elf_backend_plt_header_size 0
|
4517 |
|
|
#define elf_backend_collect TRUE
|
4518 |
|
|
#define elf_backend_type_change_ok TRUE
|
4519 |
225 |
jeremybenn |
#define elf_backend_object_p _bfd_score_elf_score_object_p
|
4520 |
24 |
jeremybenn |
|
4521 |
|
|
#define bfd_elf32_bfd_reloc_type_lookup elf32_score_reloc_type_lookup
|
4522 |
|
|
#define bfd_elf32_bfd_reloc_name_lookup \
|
4523 |
|
|
elf32_score_reloc_name_lookup
|
4524 |
|
|
#define bfd_elf32_bfd_link_hash_table_create elf32_score_link_hash_table_create
|
4525 |
|
|
#define bfd_elf32_bfd_print_private_bfd_data elf32_score_print_private_bfd_data
|
4526 |
|
|
#define bfd_elf32_bfd_merge_private_bfd_data elf32_score_merge_private_bfd_data
|
4527 |
|
|
#define bfd_elf32_new_section_hook elf32_score_new_section_hook
|
4528 |
|
|
|
4529 |
|
|
#include "elf32-target.h"
|