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-rw-r--r--bfd/elf32-or32.c514
1 files changed, 0 insertions, 514 deletions
diff --git a/bfd/elf32-or32.c b/bfd/elf32-or32.c
deleted file mode 100644
index da13dce..0000000
--- a/bfd/elf32-or32.c
+++ /dev/null
@@ -1,514 +0,0 @@
-/* OR32-specific support for 32-bit ELF
- Copyright (C) 2002-2014 Free Software Foundation, Inc.
- Contributed by Ivan Guzvinec <ivang@opencores.org>
-
- This file is part of BFD, the Binary File Descriptor library.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
-
-#include "sysdep.h"
-#include "bfd.h"
-#include "libbfd.h"
-#include "elf-bfd.h"
-#include "elf/or32.h"
-#include "libiberty.h"
-
-/* Try to minimize the amount of space occupied by relocation tables
- on the ROM (not that the ROM won't be swamped by other ELF overhead). */
-#define USE_REL 1
-
-/* Set the right machine number for an OR32 ELF file. */
-
-static bfd_boolean
-or32_elf_object_p (bfd *abfd)
-{
- (void) bfd_default_set_arch_mach (abfd, bfd_arch_or32, 0);
- return TRUE;
-}
-
-/* The final processing done just before writing out an OR32 ELF object file.
- This gets the OR32 architecture right based on the machine number. */
-
-static void
-or32_elf_final_write_processing (bfd *abfd,
- bfd_boolean linker ATTRIBUTE_UNUSED)
-{
- elf_elfheader (abfd)->e_flags &=~ EF_OR32_MACH;
-}
-
-static bfd_reloc_status_type
-or32_elf_32_reloc (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- void * data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- if (output_bfd != NULL)
- {
- unsigned long insn;
- bfd_size_type addr = reloc_entry->address;
-
- reloc_entry->address += input_section->output_offset;
-
- insn = bfd_get_32 (abfd, (bfd_byte *) data + addr);
- insn += symbol->section->output_section->vma;
- insn += symbol->section->output_offset;
- insn += symbol->value;
- bfd_put_32 (abfd, insn, (bfd_byte *) data + addr);
-
- return bfd_reloc_ok;
- }
-
- return bfd_reloc_continue;
-}
-
-static bfd_reloc_status_type
-or32_elf_16_reloc (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- void * data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- if (output_bfd != NULL)
- {
- unsigned short insn;
- bfd_size_type addr = reloc_entry->address;
-
- reloc_entry->address += input_section->output_offset;
-
- insn = bfd_get_16 (abfd, (bfd_byte *) data + addr);
- insn += symbol->section->output_section->vma;
- insn += symbol->section->output_offset;
- insn += symbol->value;
- bfd_put_16 (abfd, insn, (bfd_byte *) data + addr);
-
- return bfd_reloc_ok;
- }
-
- return bfd_reloc_continue;
-}
-
-static bfd_reloc_status_type
-or32_elf_8_reloc (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *reloc_entry,
- asymbol *symbol,
- void * data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- if (output_bfd != NULL)
- {
- unsigned char insn;
- bfd_size_type addr = reloc_entry->address;
-
- reloc_entry->address += input_section->output_offset;
-
- insn = bfd_get_8 (abfd, (bfd_byte *) data + addr);
- insn += symbol->section->output_section->vma;
- insn += symbol->section->output_offset;
- insn += symbol->value;
- bfd_put_8 (abfd, insn, (bfd_byte *) data + addr);
-
- return bfd_reloc_ok;
- }
-
- return bfd_reloc_continue;
-}
-
-/* Do a R_OR32_CONSTH relocation. This has to be done in combination
- with a R_OR32_CONST reloc, because there is a carry from the LO16 to
- the HI16. Here we just save the information we need; we do the
- actual relocation when we see the LO16. OR32 ELF requires that the
- LO16 immediately follow the HI16. As a GNU extension, we permit an
- arbitrary number of HI16 relocs to be associated with a single LO16
- reloc. This extension permits gcc to output the HI and LO relocs
- itself. This code is copied from the elf32-mips.c. */
-
-struct or32_consth
-{
- struct or32_consth *next;
- bfd_byte *addr;
- bfd_vma addend;
-};
-
-/* FIXME: This should not be a static variable. */
-
-static struct or32_consth *or32_consth_list;
-
-static bfd_reloc_status_type
-or32_elf_consth_reloc (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *reloc_entry,
- asymbol *symbol,
- void * data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- bfd_reloc_status_type ret;
- bfd_vma relocation;
- struct or32_consth *n;
-
- ret = bfd_reloc_ok;
-
- if (bfd_is_und_section (symbol->section)
- && output_bfd == NULL)
- ret = bfd_reloc_undefined;
-
- if (bfd_is_com_section (symbol->section))
- relocation = 0;
- else
- relocation = symbol->value;
-
- relocation += symbol->section->output_section->vma;
- relocation += symbol->section->output_offset;
- relocation += reloc_entry->addend;
-
- if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
- return bfd_reloc_outofrange;
-
- /* Save the information, and let LO16 do the actual relocation. */
- n = bfd_malloc (sizeof *n);
- if (n == NULL)
- return bfd_reloc_outofrange;
- n->addr = (bfd_byte *) data + reloc_entry->address;
- n->addend = relocation;
- n->next = or32_consth_list;
- or32_consth_list = n;
-
- if (output_bfd != NULL)
- reloc_entry->address += input_section->output_offset;
-
- return ret;
-}
-
-/* Do a R_OR32_CONST relocation. This is a straightforward 16 bit
- inplace relocation; this function exists in order to do the
- R_OR32_CONSTH relocation described above. */
-
-static bfd_reloc_status_type
-or32_elf_const_reloc (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- void * data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message)
-{
- if (or32_consth_list != NULL)
- {
- struct or32_consth *l;
-
- l = or32_consth_list;
- while (l != NULL)
- {
- unsigned long insn;
- unsigned long val;
- unsigned long vallo;
- struct or32_consth *next;
-
- /* Do the HI16 relocation. Note that we actually don't need
- to know anything about the LO16 itself, except where to
- find the low 16 bits of the addend needed by the LO16. */
- insn = bfd_get_32 (abfd, l->addr);
- vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
- & 0xffff);
- val = ((insn & 0xffff) << 16) + vallo;
- val += l->addend;
-
- insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff);
- bfd_put_32 (abfd, insn, l->addr);
-
- next = l->next;
- free (l);
- l = next;
- }
-
- or32_consth_list = NULL;
- }
-
- if (output_bfd != NULL)
- {
- unsigned long insn, tmp;
- bfd_size_type addr = reloc_entry->address;
-
- reloc_entry->address += input_section->output_offset;
-
- insn = bfd_get_32 (abfd, (bfd_byte *) data + addr);
- tmp = insn & 0x0000ffff;
- tmp += symbol->section->output_section->vma;
- tmp += symbol->section->output_offset;
- tmp += symbol->value;
- insn = (insn & 0xffff0000) | (tmp & 0x0000ffff);
- bfd_put_32 (abfd, insn, (bfd_byte *) data + addr);
-
- return bfd_reloc_ok;
- }
-
- /* Now do the LO16 reloc in the usual way. */
- return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message);
-}
-
-static bfd_reloc_status_type
-or32_elf_jumptarg_reloc (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol ATTRIBUTE_UNUSED,
- void * data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- if (output_bfd != NULL)
- {
- unsigned long insn, tmp;
- bfd_size_type addr = reloc_entry->address;
-
- reloc_entry->address += input_section->output_offset;
-
- insn = bfd_get_32 (abfd, (bfd_byte *) data + addr);
- tmp = insn | 0xfc000000;
- tmp -= (input_section->output_offset >> 2);
- insn = (insn & 0xfc000000) | (tmp & 0x03ffffff);
- bfd_put_32 (abfd, insn, (bfd_byte *) data + addr);
-
- return bfd_reloc_ok;
- }
-
- return bfd_reloc_continue;
-}
-
-static reloc_howto_type elf_or32_howto_table[] =
-{
- /* This reloc does nothing. */
- HOWTO (R_OR32_NONE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR32_NONE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A standard 32 bit relocation. */
- HOWTO (R_OR32_32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- or32_elf_32_reloc, /* special_function */
- "R_OR32_32", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A standard 16 bit relocation. */
- HOWTO (R_OR32_16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- or32_elf_16_reloc, /* special_function */
- "R_OR32_16", /* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A standard 8 bit relocation. */
- HOWTO (R_OR32_8, /* type */
- 0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 8, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- or32_elf_8_reloc, /* special_function */
- "R_OR32_8", /* name */
- FALSE, /* partial_inplace */
- 0x000000ff, /* src_mask */
- 0x000000ff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A standard low 16 bit relocation. */
- HOWTO (R_OR32_CONST, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- or32_elf_const_reloc, /* special_function */
- "R_OR32_CONST", /* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A standard high 16 bit relocation. */
- HOWTO (R_OR32_CONSTH, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- or32_elf_consth_reloc, /* special_function */
- "R_OR32_CONSTH", /* name */
- FALSE, /* partial_inplace */
- 0xffff0000, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A standard branch relocation. */
- HOWTO (R_OR32_JUMPTARG, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 28, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- or32_elf_jumptarg_reloc,/* special_function */
- "R_OR32_JUMPTARG", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x03ffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* GNU extension to record C++ vtable hierarchy. */
- HOWTO (R_OR32_GNU_VTINHERIT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_OR32_GNU_VTINHERIT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* GNU extension to record C++ vtable member usage. */
- HOWTO (R_OR32_GNU_VTENTRY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- _bfd_elf_rel_vtable_reloc_fn, /* special_function */
- "R_OR32_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-};
-
-/* Map BFD reloc types to OR32 ELF reloc types. */
-
-struct or32_reloc_map
-{
- bfd_reloc_code_real_type bfd_reloc_val;
- unsigned char elf_reloc_val;
-};
-
-static const struct or32_reloc_map or32_reloc_map[] =
-{
- { BFD_RELOC_NONE, R_OR32_NONE },
- { BFD_RELOC_32, R_OR32_32 },
- { BFD_RELOC_16, R_OR32_16 },
- { BFD_RELOC_8, R_OR32_8 },
- { BFD_RELOC_LO16, R_OR32_CONST },
- { BFD_RELOC_HI16, R_OR32_CONSTH },
- { BFD_RELOC_32_GOT_PCREL, R_OR32_JUMPTARG },
- { BFD_RELOC_VTABLE_INHERIT, R_OR32_GNU_VTINHERIT },
- { BFD_RELOC_VTABLE_ENTRY, R_OR32_GNU_VTENTRY },
-};
-
-static reloc_howto_type *
-bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_reloc_code_real_type code)
-{
- unsigned int i;
-
- for (i = ARRAY_SIZE (or32_reloc_map); i--;)
- if (or32_reloc_map[i].bfd_reloc_val == code)
- return &elf_or32_howto_table[or32_reloc_map[i].elf_reloc_val];
-
- return NULL;
-}
-
-static reloc_howto_type *
-bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- const char *r_name)
-{
- unsigned int i;
-
- for (i = 0;
- i < sizeof (elf_or32_howto_table) / sizeof (elf_or32_howto_table[0]);
- i++)
- if (elf_or32_howto_table[i].name != NULL
- && strcasecmp (elf_or32_howto_table[i].name, r_name) == 0)
- return &elf_or32_howto_table[i];
-
- return NULL;
-}
-
-/* Set the howto pointer for an OR32 ELF reloc. */
-
-static void
-or32_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *cache_ptr,
- Elf_Internal_Rela *dst)
-{
- unsigned int r_type;
-
- r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (r_type < (unsigned int) R_OR32_max);
- cache_ptr->howto = &elf_or32_howto_table[r_type];
-}
-
-#define TARGET_LITTLE_SYM bfd_elf32_or32_little_vec
-#define TARGET_LITTLE_NAME "elf32-littleor32"
-#define TARGET_BIG_SYM bfd_elf32_or32_big_vec
-#define TARGET_BIG_NAME "elf32-or32"
-#define ELF_ARCH bfd_arch_or32
-#define ELF_MACHINE_CODE EM_OR32
-#define ELF_MAXPAGESIZE 0x1000
-
-#define elf_info_to_howto 0
-#define elf_info_to_howto_rel or32_info_to_howto_rel
-#define elf_backend_object_p or32_elf_object_p
-#define elf_backend_final_write_processing \
- or32_elf_final_write_processing
-
-#include "elf32-target.h"
generated by cgit v1.1 at 2024-11-22 12:10:32 +0000