/* Visium-specific support for 32-bit ELF.
- Copyright (C) 2003-2018 Free Software Foundation, Inc.
+ Copyright (C) 2003-2021 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/visium.h"
+#include "libiberty.h"
static bfd_reloc_status_type visium_elf_howto_parity_reloc
(bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **);
0, /* rightshift */
3, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_VISIUM_NONE", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* A 8 bit absolute relocation. */
HOWTO (R_VISIUM_8, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_VISIUM_8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00, /* src_mask */
0xff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* A 16 bit absolute relocation. */
HOWTO (R_VISIUM_16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_VISIUM_16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x0000, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* A 32 bit absolute relocation. */
HOWTO (R_VISIUM_32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_VISIUM_32", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00000000, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* A 8 bit PC relative relocation. */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_VISIUM_8_PCREL", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00, /* src_mask */
0xff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* A 16 bit PC relative relocation. */
HOWTO (R_VISIUM_16_PCREL, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_VISIUM_16_PCREL", /* name */
- FALSE, /* partial inplace */
+ false, /* partial inplace */
0x0000, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* A 32-bit PC relative relocation. */
HOWTO (R_VISIUM_32_PCREL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_VISIUM_32_PCREL", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* A 16-bit PC word relative offset, relative to start of instruction
and always in the second half of the instruction. */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
visium_elf_howto_parity_reloc, /* special_function */
"R_VISIUM_PC16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00000000, /* src_mask */
0x0000ffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* The high 16 bits of symbol value. */
HOWTO (R_VISIUM_HI16, /* type */
16, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
visium_elf_howto_parity_reloc, /* special_function */
"R_VISIUM_HI16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00000000, /* src_mask */
0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* The low 16 bits of symbol value. */
HOWTO (R_VISIUM_LO16, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
visium_elf_howto_parity_reloc, /* special_function */
"R_VISIUM_LO16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00000000, /* src_mask */
0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* A 16 bit immediate value. */
HOWTO (R_VISIUM_IM16, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
visium_elf_howto_parity_reloc, /* special_function */
"R_VISIUM_IM16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x0000000, /* src_mask */
0x000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* The high 16 bits of symbol value, pc relative. */
HOWTO (R_VISIUM_HI16_PCREL, /* type */
16, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
visium_elf_howto_parity_reloc, /* special_function */
"R_VISIUM_HI16_PCREL", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00000000, /* src_mask */
0x0000ffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* The low 16 bits of symbol value, pc relative. */
HOWTO (R_VISIUM_LO16_PCREL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
visium_elf_howto_parity_reloc, /* special_function */
"R_VISIUM_LO16_PCREL", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x00000000, /* src_mask */
0x0000ffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* A 16 bit immediate value, pc relative. */
HOWTO (R_VISIUM_IM16_PCREL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
visium_elf_howto_parity_reloc, /* special_function */
"R_VISIUM_IM16_PCREL", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x0000000, /* src_mask */
0x000ffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
};
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
NULL, /* special_function */
"R_VISIUM_GNU_VTINHERIT", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE); /* pcrel_offset */
+ false); /* pcrel_offset */
/* GNU extension to record C++ vtable member usage. */
static reloc_howto_type visium_elf_vtentry_howto =
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
NULL, /* special_function */
"R_VISIUM_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE); /* pcrel_offset */
+ false); /* pcrel_offset */
/* Return the parity bit for INSN shifted to its final position. */
bfd_vma relocation;
bfd_byte *inplace_address;
bfd_vma insn;
- const bfd_vma signmask = 0xffff8000;
/* This part is from bfd_elf_generic_reloc.
If we're relocating, and this an external symbol, we don't want
if (reloc_entry->howto->pc_relative)
{
- relocation -= input_section->output_section->vma
- + input_section->output_offset;
+ relocation -= input_section->output_section->vma;
+ relocation -= input_section->output_offset;
relocation -= reloc_entry->address;
}
switch (reloc_entry->howto->type)
{
case R_VISIUM_PC16:
- relocation >>= 2;
- if (ret == bfd_reloc_ok && (relocation & signmask) != 0
- && (relocation & signmask) != signmask)
+ if (ret == bfd_reloc_ok
+ && ((bfd_signed_vma) relocation < -0x20000
+ || (bfd_signed_vma) relocation > 0x1ffff))
ret = bfd_reloc_overflow;
- relocation &= 0xffff;
+ relocation = (relocation >> 2) & 0xffff;
break;
case R_VISIUM_HI16:
case R_VISIUM_HI16_PCREL:
/* Set the howto pointer for a VISIUM ELF reloc. */
-static bfd_boolean
+static bool
visium_info_to_howto_rela (bfd *abfd, arelent *cache_ptr,
Elf_Internal_Rela *dst)
{
break;
default:
- if (r_type >= (unsigned int) R_VISIUM_max)
+ if (r_type >= ARRAY_SIZE (visium_elf_howto_table))
{
/* xgettext:c-format */
_bfd_error_handler (_("%pB: unsupported relocation type %#x"),
abfd, r_type);
bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ return false;
}
cache_ptr->howto = &visium_elf_howto_table[r_type];
break;
}
- return TRUE;
+ return true;
}
/* Look through the relocs for a section during the first phase.
Since we don't do .gots or .plts, we just need to consider the
virtual table relocs for gc. */
-static bfd_boolean
+static bool
visium_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
asection *sec, const Elf_Internal_Rela *relocs)
{
const Elf_Internal_Rela *rel_end;
if (bfd_link_relocatable (info))
- return TRUE;
+ return true;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
Reconstruct it for later use during GC. */
case R_VISIUM_GNU_VTINHERIT:
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return FALSE;
+ return false;
break;
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
case R_VISIUM_GNU_VTENTRY:
if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
+ return false;
break;
}
}
- return TRUE;
+ return true;
}
/* Relocate a VISIUM ELF section. */
-static bfd_boolean
+static int
visium_elf_relocate_section (bfd *output_bfd,
struct bfd_link_info *info, bfd *input_bfd,
asection *input_section, bfd_byte *contents,
name = bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name);
- name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
+ name = name == NULL ? bfd_section_name (sec) : name;
}
else
{
- bfd_boolean unresolved_reloc;
- bfd_boolean warned, ignored;
+ bool unresolved_reloc;
+ bool warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
or sections discarded by a linker script, we just want the
section contents zeroed. Avoid any special processing. */
_bfd_clear_contents (howto, input_bfd, input_section,
- contents + rel->r_offset);
+ contents, rel->r_offset);
rel->r_info = 0;
rel->r_addend = 0;
case bfd_reloc_undefined:
(*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section, rel->r_offset, TRUE);
+ (info, name, input_bfd, input_section, rel->r_offset, true);
break;
case bfd_reloc_outofrange:
}
}
- return TRUE;
+ return true;
}
/* This function is called during section gc to discover the section a
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
-static void
-visium_elf_post_process_headers (bfd *abfd,
- struct bfd_link_info *info ATTRIBUTE_UNUSED)
+static bool
+visium_elf_init_file_header (bfd *abfd, struct bfd_link_info *info)
{
- Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
- i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_STANDALONE;
+ Elf_Internal_Ehdr *i_ehdrp;
+
+ if (!_bfd_elf_init_file_header (abfd, info))
+ return false;
+
+ i_ehdrp = elf_elfheader (abfd);
i_ehdrp->e_ident[EI_ABIVERSION] = 1;
+ return true;
}
/* Function to set the ELF flag bits. */
-static bfd_boolean
+static bool
visium_elf_set_private_flags (bfd *abfd, flagword flags)
{
elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = TRUE;
- return TRUE;
+ elf_flags_init (abfd) = true;
+ return true;
}
/* Copy backend specific data from one object module to another. */
-static bfd_boolean
+static bool
visium_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
{
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
+ return true;
BFD_ASSERT (!elf_flags_init (obfd)
|| elf_elfheader (obfd)->e_flags ==
elf_elfheader (ibfd)->e_flags);
elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
- elf_flags_init (obfd) = TRUE;
+ elf_flags_init (obfd) = true;
/* Copy object attributes. */
_bfd_elf_copy_obj_attributes (ibfd, obfd);
- return TRUE;
+ return true;
}
/* Merge backend specific data from an object
file to the output object file when linking. */
-static bfd_boolean
+static bool
visium_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
bfd *obfd = info->output_bfd;
if (!elf_flags_init (obfd))
{
/* First call, no flags set. */
- elf_flags_init (obfd) = TRUE;
+ elf_flags_init (obfd) = true;
elf_elfheader (obfd)->e_flags = new_flags;
}
else
ibfd, new_opt_with, opt_arch, old_opt_with, opt_arch);
}
- return TRUE;
+ return true;
}
-static bfd_boolean
+static bool
visium_elf_print_private_bfd_data (bfd *abfd, void *ptr)
{
FILE *file = (FILE *) ptr;
fprintf (file, " -mtune=mcm24");
fputc ('\n', file);
- return TRUE;
+ return true;
}
#define ELF_ARCH bfd_arch_visium
#define ELF_MACHINE_CODE EM_VISIUM
+#define ELF_OSABI ELFOSABI_STANDALONE
#define ELF_MAXPAGESIZE 1
#define TARGET_BIG_SYM visium_elf32_vec
#define bfd_elf32_bfd_copy_private_bfd_data visium_elf_copy_private_bfd_data
#define bfd_elf32_bfd_merge_private_bfd_data visium_elf_merge_private_bfd_data
#define bfd_elf32_bfd_print_private_bfd_data visium_elf_print_private_bfd_data
-#define elf_backend_post_process_headers visium_elf_post_process_headers
+#define elf_backend_init_file_header visium_elf_init_file_header
#include "elf32-target.h"
projects / deliverable / binutils-gdb.git / blobdiff