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Diffstat (limited to 'bfd/elf32-xc16x.c')
-rw-r--r--bfd/elf32-xc16x.c487
1 files changed, 0 insertions, 487 deletions
diff --git a/bfd/elf32-xc16x.c b/bfd/elf32-xc16x.c
deleted file mode 100644
index 99cba14..0000000
--- a/bfd/elf32-xc16x.c
+++ /dev/null
@@ -1,487 +0,0 @@
-/* Infineon XC16X-specific support for 16-bit ELF.
- Copyright (C) 2006-2022 Free Software Foundation, Inc.
- Contributed by KPIT Cummins Infosystems
-
- 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, 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/xc16x.h"
-#include "dwarf2.h"
-#include "libiberty.h"
-
-static reloc_howto_type xc16x_elf_howto_table [] =
-{
- /* This reloc does nothing. */
- HOWTO (R_XC16X_NONE, /* type */
- 0, /* rightshift */
- 0, /* size */
- 0, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_XC16X_NONE", /* name */
- false, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- false), /* pcrel_offset */
-
- /* An 8 bit absolute relocation. */
- HOWTO (R_XC16X_ABS_8, /* type */
- 0, /* rightshift */
- 1, /* size */
- 8, /* bitsize */
- false, /* pc_relative */
- 8, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_XC16X_ABS_8", /* name */
- true, /* partial_inplace */
- 0x0000, /* src_mask */
- 0x00ff, /* dst_mask */
- false), /* pcrel_offset */
-
- /* A 16 bit absolute relocation. */
- HOWTO (R_XC16X_ABS_16, /* type */
- 0, /* rightshift */
- 2, /* size */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_XC16X_ABS_16", /* name */
- true, /* partial_inplace */
- 0x00000000, /* src_mask */
- 0x0000ffff, /* dst_mask */
- false), /* pcrel_offset */
-
- HOWTO (R_XC16X_ABS_32, /* type */
- 0, /* rightshift */
- 4, /* size */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_XC16X_ABS_32", /* name */
- true, /* partial_inplace */
- 0x00000000, /* src_mask */
- 0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
-
-
- /* A PC relative 8 bit relocation. */
- HOWTO (R_XC16X_8_PCREL, /* type */
- 0, /* rightshift */
- 1, /* size */
- 8, /* bitsize */
- true, /* pc_relative */
- 8, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_XC16X_8_PCREL", /* name */
- false, /* partial_inplace */
- 0x0000, /* src_mask */
- 0x00ff, /* dst_mask */
- true), /* pcrel_offset */
-
- /* Relocation regarding page number. */
- HOWTO (R_XC16X_PAG, /* type */
- 0, /* rightshift */
- 2, /* size */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_XC16X_PAG", /* name */
- true, /* partial_inplace */
- 0x00000000, /* src_mask */
- 0x0000ffff, /* dst_mask */
- false), /* pcrel_offset */
-
-
- /* Relocation regarding page number. */
- HOWTO (R_XC16X_POF, /* type */
- 0, /* rightshift */
- 2, /* size */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_XC16X_POF", /* name */
- true, /* partial_inplace */
- 0x00000000, /* src_mask */
- 0x0000ffff, /* dst_mask */
- false), /* pcrel_offset */
-
-
- /* Relocation regarding segment number. */
- HOWTO (R_XC16X_SEG, /* type */
- 0, /* rightshift */
- 2, /* size */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_XC16X_SEG", /* name */
- true, /* partial_inplace */
- 0x00000000, /* src_mask */
- 0x0000ffff, /* dst_mask */
- false), /* pcrel_offset */
-
- /* Relocation regarding segment offset. */
- HOWTO (R_XC16X_SOF, /* type */
- 0, /* rightshift */
- 2, /* size */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_XC16X_SOF", /* name */
- true, /* partial_inplace */
- 0x00000000, /* src_mask */
- 0x0000ffff, /* dst_mask */
- false) /* pcrel_offset */
-};
-
-
-/* Map BFD reloc types to XC16X ELF reloc types. */
-
-struct xc16x_reloc_map
-{
- bfd_reloc_code_real_type bfd_reloc_val;
- unsigned int xc16x_reloc_val;
-};
-
-static const struct xc16x_reloc_map xc16x_reloc_map [] =
-{
- { BFD_RELOC_NONE, R_XC16X_NONE },
- { BFD_RELOC_8, R_XC16X_ABS_8 },
- { BFD_RELOC_16, R_XC16X_ABS_16 },
- { BFD_RELOC_32, R_XC16X_ABS_32 },
- { BFD_RELOC_8_PCREL, R_XC16X_8_PCREL },
- { BFD_RELOC_XC16X_PAG, R_XC16X_PAG},
- { BFD_RELOC_XC16X_POF, R_XC16X_POF},
- { BFD_RELOC_XC16X_SEG, R_XC16X_SEG},
- { BFD_RELOC_XC16X_SOF, R_XC16X_SOF},
-};
-
-
-/* This function is used to search for correct relocation type from
- howto structure. */
-
-static reloc_howto_type *
-xc16x_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_reloc_code_real_type code)
-{
- unsigned int i;
-
- for (i = ARRAY_SIZE (xc16x_reloc_map); --i;)
- if (xc16x_reloc_map [i].bfd_reloc_val == code)
- return & xc16x_elf_howto_table [xc16x_reloc_map[i].xc16x_reloc_val];
-
- return NULL;
-}
-
-static reloc_howto_type *
-xc16x_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- const char *r_name)
-{
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE (xc16x_elf_howto_table); i++)
- if (xc16x_elf_howto_table[i].name != NULL
- && strcasecmp (xc16x_elf_howto_table[i].name, r_name) == 0)
- return &xc16x_elf_howto_table[i];
-
- return NULL;
-}
-
-static reloc_howto_type *
-elf32_xc16x_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED, unsigned r_type)
-{
- if (r_type < ARRAY_SIZE (xc16x_elf_howto_table))
- return & xc16x_elf_howto_table[r_type];
-
- return NULL;
-}
-
-/* For a particular operand this function is
- called to finalise the type of relocation. */
-
-static bool
-elf32_xc16x_info_to_howto (bfd *abfd, arelent *bfd_reloc,
- Elf_Internal_Rela *elf_reloc)
-{
- unsigned int r;
- unsigned int i;
-
- r = ELF32_R_TYPE (elf_reloc->r_info);
- for (i = 0; i < ARRAY_SIZE (xc16x_elf_howto_table); i++)
- if (xc16x_elf_howto_table[i].type == r)
- {
- bfd_reloc->howto = &xc16x_elf_howto_table[i];
- return true;
- }
- /* xgettext:c-format */
- _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, r);
- bfd_set_error (bfd_error_bad_value);
- return false;
-}
-
-static bfd_reloc_status_type
-elf32_xc16x_final_link_relocate (unsigned long r_type,
- bfd *input_bfd,
- bfd *output_bfd ATTRIBUTE_UNUSED,
- asection *input_section ATTRIBUTE_UNUSED,
- bfd_byte *contents,
- bfd_vma offset,
- bfd_vma value,
- bfd_vma addend,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sym_sec ATTRIBUTE_UNUSED,
- int is_local ATTRIBUTE_UNUSED)
-{
- bfd_byte *hit_data = contents + offset;
- bfd_vma val1;
-
- switch (r_type)
- {
- case R_XC16X_NONE:
- return bfd_reloc_ok;
-
- case R_XC16X_ABS_16:
- value += addend;
- bfd_put_16 (input_bfd, value, hit_data);
- return bfd_reloc_ok;
-
- case R_XC16X_8_PCREL:
- bfd_put_8 (input_bfd, value, hit_data);
- return bfd_reloc_ok;
-
- /* Following case is to find page number from actual
- address for this divide value by 16k i.e. page size. */
-
- case R_XC16X_PAG:
- value += addend;
- value /= 0x4000;
- bfd_put_16 (input_bfd, value, hit_data);
- return bfd_reloc_ok;
-
- /* Following case is to find page offset from actual address
- for this take modulo of value by 16k i.e. page size. */
-
- case R_XC16X_POF:
- value += addend;
- value %= 0x4000;
- bfd_put_16 (input_bfd, value, hit_data);
- return bfd_reloc_ok;
-
- /* Following case is to find segment number from actual
- address for this divide value by 64k i.e. segment size. */
-
- case R_XC16X_SEG:
- value += addend;
- value /= 0x10000;
- bfd_put_16 (input_bfd, value, hit_data);
- return bfd_reloc_ok;
-
- /* Following case is to find segment offset from actual address
- for this take modulo of value by 64k i.e. segment size. */
-
- case R_XC16X_SOF:
- value += addend;
- value %= 0x10000;
- bfd_put_16 (input_bfd, value, hit_data);
- return bfd_reloc_ok;
-
- case R_XC16X_ABS_32:
- if (!strstr (input_section->name,".debug"))
- {
- value += addend;
- val1 = value;
- value %= 0x4000;
- val1 /= 0x4000;
- val1 = val1 << 16;
- value += val1;
- bfd_put_32 (input_bfd, value, hit_data);
- }
- else
- {
- value += addend;
- bfd_put_32 (input_bfd, value, hit_data);
- }
- return bfd_reloc_ok;
-
- default:
- return bfd_reloc_notsupported;
- }
-}
-
-static int
-elf32_xc16x_relocate_section (bfd *output_bfd,
- struct bfd_link_info *info,
- bfd *input_bfd,
- asection *input_section,
- bfd_byte *contents,
- Elf_Internal_Rela *relocs,
- Elf_Internal_Sym *local_syms,
- asection **local_sections)
-{
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- Elf_Internal_Rela *rel, *relend;
-
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (input_bfd);
-
- rel = relocs;
- relend = relocs + input_section->reloc_count;
- for (; rel < relend; rel++)
- {
- unsigned int r_type;
- unsigned long r_symndx;
- Elf_Internal_Sym *sym;
- asection *sec;
- struct elf_link_hash_entry *h;
- bfd_vma relocation;
-
- /* This is a final link. */
- r_symndx = ELF32_R_SYM (rel->r_info);
- r_type = ELF32_R_TYPE (rel->r_info);
- h = NULL;
- sym = NULL;
- sec = NULL;
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- sec = local_sections[r_symndx];
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
- }
- else
- {
- bool unresolved_reloc, warned, ignored;
-
- RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
- r_symndx, symtab_hdr, sym_hashes,
- h, sec, relocation,
- unresolved_reloc, warned, ignored);
- }
-
- if (sec != NULL && discarded_section (sec))
- {
- /* For relocs against symbols from removed linkonce sections,
- or sections discarded by a linker script, we just want the
- section contents cleared. Avoid any special processing. */
- reloc_howto_type *howto;
- howto = elf32_xc16x_rtype_to_howto (input_bfd, r_type);
- RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
- rel, 1, relend, howto, 0, contents);
- }
-
- if (bfd_link_relocatable (info))
- continue;
-
- elf32_xc16x_final_link_relocate (r_type, input_bfd, output_bfd,
- input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend,
- info, sec, h == NULL);
- }
-
- return true;
-}
-
-
-static bool
-elf32_xc16x_final_write_processing (bfd *abfd)
-{
- unsigned long val;
-
- switch (bfd_get_mach (abfd))
- {
- default:
- case bfd_mach_xc16x:
- val = 0x1000;
- break;
-
- case bfd_mach_xc16xl:
- val = 0x1001;
- break;
-
- case bfd_mach_xc16xs:
- val = 0x1002;
- break;
- }
-
- elf_elfheader (abfd)->e_flags |= val;
- return _bfd_elf_final_write_processing (abfd);
-}
-
-static unsigned long
-elf32_xc16x_mach (flagword flags)
-{
- switch (flags)
- {
- case 0x1000:
- default:
- return bfd_mach_xc16x;
-
- case 0x1001:
- return bfd_mach_xc16xl;
-
- case 0x1002:
- return bfd_mach_xc16xs;
- }
-}
-
-
-static bool
-elf32_xc16x_object_p (bfd *abfd)
-{
- bfd_default_set_arch_mach (abfd, bfd_arch_xc16x,
- elf32_xc16x_mach (elf_elfheader (abfd)->e_flags));
- return true;
-}
-
-
-#define ELF_ARCH bfd_arch_xc16x
-#define ELF_MACHINE_CODE EM_XC16X
-#define ELF_MAXPAGESIZE 0x100
-
-#define TARGET_LITTLE_SYM xc16x_elf32_vec
-#define TARGET_LITTLE_NAME "elf32-xc16x"
-#define elf_backend_final_write_processing elf32_xc16x_final_write_processing
-#define elf_backend_object_p elf32_xc16x_object_p
-#define elf_backend_can_gc_sections 1
-#define bfd_elf32_bfd_reloc_type_lookup xc16x_reloc_type_lookup
-#define bfd_elf32_bfd_reloc_name_lookup xc16x_reloc_name_lookup
-#define elf_info_to_howto elf32_xc16x_info_to_howto
-#define elf_info_to_howto_rel elf32_xc16x_info_to_howto
-#define elf_backend_relocate_section elf32_xc16x_relocate_section
-#define elf_backend_rela_normal 1
-
-#include "elf32-target.h"
generated by cgit v1.1 at 2024-11-27 16:34:27 +0000