/* Xstormy16-specific support for 32-bit ELF.
- Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ Copyright (C) 2000-2021 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
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_XSTORMY16_NONE", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* A 32 bit absolute relocation. */
HOWTO (R_XSTORMY16_32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_32", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* A 16 bit absolute relocation. */
HOWTO (R_XSTORMY16_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_XSTORMY16_16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* An 8 bit absolute relocation. */
HOWTO (R_XSTORMY16_8, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* A 32 bit pc-relative relocation. */
HOWTO (R_XSTORMY16_PC32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_PC32", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* A 16 bit pc-relative relocation. */
HOWTO (R_XSTORMY16_PC16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_PC16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* An 8 bit pc-relative relocation. */
HOWTO (R_XSTORMY16_PC8, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_PC8", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* A 12-bit pc-relative relocation suitable for the branch instructions. */
HOWTO (R_XSTORMY16_REL_12, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
11, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
1, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_REL_12", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0x0ffe, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* A 24-bit absolute relocation suitable for the jump instructions. */
HOWTO (R_XSTORMY16_24, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
24, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
xstormy16_elf_24_reloc, /* special_function */
"R_XSTORMY16_24", /* name */
- TRUE, /* partial_inplace */
+ true, /* partial_inplace */
0, /* src_mask */
0xffff00ff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* A 16 bit absolute relocation to a function pointer. */
HOWTO (R_XSTORMY16_FPTR16, /* 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_XSTORMY16_FPTR16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Low order 16 bit value of a high memory address. */
HOWTO (R_XSTORMY16_LO16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_LO16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* High order 16 bit value of a high memory address. */
HOWTO (R_XSTORMY16_HI16, /* type */
16, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_HI16", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* A 12 bit absolute relocation. */
HOWTO (R_XSTORMY16_12, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_12", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x0000, /* src_mask */
0x0fff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
};
static reloc_howto_type xstormy16_elf_howto_table2 [] =
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_XSTORMY16_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 */
HOWTO (R_XSTORMY16_GNU_VTENTRY, /* type */
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 */
_bfd_elf_rel_vtable_reloc_fn, /* special_function */
"R_XSTORMY16_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
};
\f
/* Set the howto pointer for an XSTORMY16 ELF reloc. */
-static void
-xstormy16_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED,
+static bool
+xstormy16_info_to_howto_rela (bfd * abfd,
arelent * cache_ptr,
Elf_Internal_Rela * dst)
{
if (r_type <= (unsigned int) R_XSTORMY16_12)
cache_ptr->howto = &xstormy16_elf_howto_table [r_type];
else if (r_type - R_XSTORMY16_GNU_VTINHERIT
- <= (unsigned int) R_XSTORMY16_GNU_VTENTRY)
+ <= ((unsigned int) R_XSTORMY16_GNU_VTENTRY
+ - (unsigned int) R_XSTORMY16_GNU_VTINHERIT))
cache_ptr->howto
= &xstormy16_elf_howto_table2 [r_type - R_XSTORMY16_GNU_VTINHERIT];
else
- abort ();
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+ return true;
}
\f
/* We support 16-bit pointers to code above 64k by generating a thunk
-relax switch is given, as otherwise we have no idea where the
sections will fall in the address space. */
-static bfd_boolean
+static bool
xstormy16_elf_check_relocs (bfd *abfd,
struct bfd_link_info *info,
asection *sec,
bfd *dynobj;
if (bfd_link_relocatable (info))
- return TRUE;
+ return true;
symtab_hdr = &elf_tdata(abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
flags);
elf_hash_table (info)->splt = splt;
if (splt == NULL
- || ! bfd_set_section_alignment (dynobj, splt, 1))
- return FALSE;
+ || !bfd_set_section_alignment (splt, 1))
+ return false;
}
if (h != NULL)
size = symtab_hdr->sh_info * sizeof (bfd_vma);
local_plt_offsets = bfd_alloc (abfd, size);
if (local_plt_offsets == NULL)
- return FALSE;
+ return false;
elf_local_got_offsets (abfd) = local_plt_offsets;
for (i = 0; i < symtab_hdr->sh_info; i++)
Reconstruct it for later use during GC. */
case R_XSTORMY16_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_XSTORMY16_GNU_VTENTRY:
- BFD_ASSERT (h != NULL);
- if (h != NULL
- && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return false;
break;
}
}
- return TRUE;
+ return true;
}
/* A subroutine of xstormy16_elf_relax_section. If the global symbol H
struct relax_plt_data
{
asection *splt;
- bfd_boolean *again;
+ bool *again;
};
-static bfd_boolean
+static bool
xstormy16_relax_plt_check (struct elf_link_hash_entry *h, void * xdata)
{
struct relax_plt_data *data = (struct relax_plt_data *) xdata;
{
h->plt.offset = -1;
data->splt->size -= 4;
- *data->again = TRUE;
+ *data->again = true;
}
}
- return TRUE;
+ return true;
}
/* A subroutine of xstormy16_elf_relax_section. If the global symbol H
previously had a plt entry, give it a new entry offset. */
-static bfd_boolean
+static bool
xstormy16_relax_plt_realloc (struct elf_link_hash_entry *h, void * xdata)
{
bfd_vma *entry = (bfd_vma *) xdata;
*entry += 4;
}
- return TRUE;
+ return true;
}
-static bfd_boolean
+static bool
xstormy16_elf_relax_section (bfd *dynobj,
asection *splt,
struct bfd_link_info *info,
- bfd_boolean *again)
+ bool *again)
{
struct relax_plt_data relax_plt_data;
bfd *ibfd;
/* Assume nothing changes. */
- *again = FALSE;
+ *again = false;
- if (bfd_link_relocatable (info))
- return TRUE;
+ if (bfd_link_relocatable (info)
+ || !is_elf_hash_table (info->hash))
+ return true;
/* We only relax the .plt section at the moment. */
if (dynobj != elf_hash_table (info)->dynobj
|| strcmp (splt->name, ".plt") != 0)
- return TRUE;
+ return true;
/* Quick check for an empty plt. */
if (splt->size == 0)
- return TRUE;
+ return true;
/* Map across all global symbols; see which ones happen to
fall in the low 64k. */
symtab_hdr->sh_info, 0,
NULL, NULL, NULL);
if (isymbuf == NULL)
- return FALSE;
+ return false;
}
for (idx = 0; idx < symtab_hdr->sh_info; ++idx)
{
local_plt_offsets[idx] = -1;
splt->size -= 4;
- *again = TRUE;
+ *again = true;
}
}
}
}
- return TRUE;
+ return true;
}
-static bfd_boolean
+static bool
xstormy16_elf_always_size_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info)
{
asection *splt;
if (bfd_link_relocatable (info))
- return TRUE;
+ return true;
dynobj = elf_hash_table (info)->dynobj;
if (dynobj == NULL)
- return TRUE;
+ return true;
splt = elf_hash_table (info)->splt;
BFD_ASSERT (splt != NULL);
splt->contents = bfd_zalloc (dynobj, splt->size);
if (splt->contents == NULL)
- return FALSE;
+ return false;
- return TRUE;
+ return true;
}
\f
/* Relocate an XSTORMY16 ELF section.
section, which means that the addend must be adjusted
accordingly. */
-static bfd_boolean
+static int
xstormy16_elf_relocate_section (bfd * output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info * info,
bfd * input_bfd,
}
else
{
- bfd_boolean unresolved_reloc, warned, ignored;
+ bool unresolved_reloc, warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
name = (bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name));
if (name == NULL || *name == '\0')
- name = bfd_section_name (input_bfd, sec);
+ name = bfd_section_name (sec);
}
switch (ELF32_R_TYPE (rel->r_info))
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 must exist if dynobj is ever set. */
-static bfd_boolean
+static bool
xstormy16_elf_finish_dynamic_sections (bfd *abfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info)
{
}
}
- return TRUE;
+ return true;
}
\f
/* Return the section that should be marked against GC for a given
projects / deliverable / binutils-gdb.git / blobdiff