-/* XSTORMY16-specific support for 32-bit ELF.
- Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Xstormy16-specific support for 32-bit ELF.
+ Copyright (C) 2000-2019 Free Software Foundation, Inc.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 2 of the License, or
-(at your option) any later version.
+ 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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 "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/xstormy16.h"
#include "libiberty.h"
-/* Forward declarations. */
-static reloc_howto_type * xstormy16_reloc_type_lookup
- PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
-static void xstormy16_info_to_howto_rela
- PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
-static bfd_reloc_status_type xstormy16_elf_24_reloc
- PARAMS ((bfd *abfd, arelent *reloc_entry, asymbol *symbol,
- PTR data, asection *input_section, bfd *output_bfd,
- char **error_message));
-static bfd_boolean xstormy16_elf_check_relocs
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static bfd_boolean xstormy16_relax_plt_check
- PARAMS ((struct elf_link_hash_entry *, PTR));
-static bfd_boolean xstormy16_relax_plt_realloc
- PARAMS ((struct elf_link_hash_entry *, PTR));
-static bfd_boolean xstormy16_elf_relax_section
- PARAMS ((bfd *abfd, asection *sec, struct bfd_link_info *link_info,
- bfd_boolean *again));
-static bfd_boolean xstormy16_elf_always_size_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-static bfd_boolean xstormy16_elf_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-static bfd_boolean xstormy16_elf_finish_dynamic_sections
- PARAMS((bfd *, struct bfd_link_info *));
-static bfd_boolean xstormy16_elf_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static asection * xstormy16_elf_gc_mark_hook
- PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
+/* Handle the R_XSTORMY16_24 reloc, which has an odd bit arrangement. */
+
+static bfd_reloc_status_type
+xstormy16_elf_24_reloc (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
+{
+ bfd_vma relocation, x;
+
+ if (output_bfd != NULL)
+ {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
+
+ if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
+ return bfd_reloc_outofrange;
+
+ 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;
+
+ x = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
+ x &= 0x0000ff00;
+ x |= relocation & 0xff;
+ x |= (relocation << 8) & 0xffff0000;
+ bfd_put_32 (abfd, x, (bfd_byte *) data + reloc_entry->address);
+
+ if (relocation & ~ (bfd_vma) 0xffffff)
+ return bfd_reloc_overflow;
+
+ return bfd_reloc_ok;
+}
static reloc_howto_type xstormy16_elf_howto_table [] =
{
/* This reloc does nothing. */
HOWTO (R_XSTORMY16_NONE, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
+ complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_XSTORMY16_NONE", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
-
+
/* A 12 bit absolute relocation. */
HOWTO (R_XSTORMY16_12, /* type */
0, /* rightshift */
{
/* GNU extension to record C++ vtable hierarchy */
HOWTO (R_XSTORMY16_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_XSTORMY16_GNU_VTINHERIT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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_XSTORMY16_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_XSTORMY16_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_XSTORMY16_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ 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_XSTORMY16_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
\f
typedef struct xstormy16_reloc_map
{
bfd_reloc_code_real_type bfd_reloc_val;
- unsigned int xstormy16_reloc_val;
- reloc_howto_type * table;
+ unsigned int xstormy16_reloc_val;
+ reloc_howto_type * table;
} reloc_map;
static const reloc_map xstormy16_reloc_map [] =
{
- { BFD_RELOC_NONE, R_XSTORMY16_NONE, xstormy16_elf_howto_table },
- { BFD_RELOC_32, R_XSTORMY16_32, xstormy16_elf_howto_table },
- { BFD_RELOC_16, R_XSTORMY16_16, xstormy16_elf_howto_table },
- { BFD_RELOC_8, R_XSTORMY16_8, xstormy16_elf_howto_table },
- { BFD_RELOC_32_PCREL, R_XSTORMY16_PC32, xstormy16_elf_howto_table },
- { BFD_RELOC_16_PCREL, R_XSTORMY16_PC16, xstormy16_elf_howto_table },
- { BFD_RELOC_8_PCREL, R_XSTORMY16_PC8, xstormy16_elf_howto_table },
- { BFD_RELOC_XSTORMY16_REL_12, R_XSTORMY16_REL_12, xstormy16_elf_howto_table },
- { BFD_RELOC_XSTORMY16_24, R_XSTORMY16_24, xstormy16_elf_howto_table },
- { BFD_RELOC_XSTORMY16_FPTR16, R_XSTORMY16_FPTR16, xstormy16_elf_howto_table },
- { BFD_RELOC_LO16, R_XSTORMY16_LO16, xstormy16_elf_howto_table },
- { BFD_RELOC_HI16, R_XSTORMY16_HI16, xstormy16_elf_howto_table },
- { BFD_RELOC_XSTORMY16_12, R_XSTORMY16_12, xstormy16_elf_howto_table },
- { BFD_RELOC_VTABLE_INHERIT, R_XSTORMY16_GNU_VTINHERIT, xstormy16_elf_howto_table2 },
- { BFD_RELOC_VTABLE_ENTRY, R_XSTORMY16_GNU_VTENTRY, xstormy16_elf_howto_table2 },
+ { BFD_RELOC_NONE, R_XSTORMY16_NONE, xstormy16_elf_howto_table },
+ { BFD_RELOC_32, R_XSTORMY16_32, xstormy16_elf_howto_table },
+ { BFD_RELOC_16, R_XSTORMY16_16, xstormy16_elf_howto_table },
+ { BFD_RELOC_8, R_XSTORMY16_8, xstormy16_elf_howto_table },
+ { BFD_RELOC_32_PCREL, R_XSTORMY16_PC32, xstormy16_elf_howto_table },
+ { BFD_RELOC_16_PCREL, R_XSTORMY16_PC16, xstormy16_elf_howto_table },
+ { BFD_RELOC_8_PCREL, R_XSTORMY16_PC8, xstormy16_elf_howto_table },
+ { BFD_RELOC_XSTORMY16_REL_12, R_XSTORMY16_REL_12, xstormy16_elf_howto_table },
+ { BFD_RELOC_XSTORMY16_24, R_XSTORMY16_24, xstormy16_elf_howto_table },
+ { BFD_RELOC_XSTORMY16_FPTR16, R_XSTORMY16_FPTR16, xstormy16_elf_howto_table },
+ { BFD_RELOC_LO16, R_XSTORMY16_LO16, xstormy16_elf_howto_table },
+ { BFD_RELOC_HI16, R_XSTORMY16_HI16, xstormy16_elf_howto_table },
+ { BFD_RELOC_XSTORMY16_12, R_XSTORMY16_12, xstormy16_elf_howto_table },
+ { BFD_RELOC_VTABLE_INHERIT, R_XSTORMY16_GNU_VTINHERIT, xstormy16_elf_howto_table2 },
+ { BFD_RELOC_VTABLE_ENTRY, R_XSTORMY16_GNU_VTENTRY, xstormy16_elf_howto_table2 },
};
static reloc_howto_type *
-xstormy16_reloc_type_lookup (abfd, code)
- bfd * abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type code;
+xstormy16_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
{
unsigned int i;
- for (i = ARRAY_SIZE (xstormy16_reloc_map); --i;)
+ for (i = ARRAY_SIZE (xstormy16_reloc_map); i--;)
{
const reloc_map * entry;
return NULL;
}
+static reloc_howto_type *
+xstormy16_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < (sizeof (xstormy16_elf_howto_table)
+ / sizeof (xstormy16_elf_howto_table[0]));
+ i++)
+ if (xstormy16_elf_howto_table[i].name != NULL
+ && strcasecmp (xstormy16_elf_howto_table[i].name, r_name) == 0)
+ return &xstormy16_elf_howto_table[i];
+
+ for (i = 0;
+ i < (sizeof (xstormy16_elf_howto_table2)
+ / sizeof (xstormy16_elf_howto_table2[0]));
+ i++)
+ if (xstormy16_elf_howto_table2[i].name != NULL
+ && strcasecmp (xstormy16_elf_howto_table2[i].name, r_name) == 0)
+ return &xstormy16_elf_howto_table2[i];
+
+ return NULL;
+}
+
/* Set the howto pointer for an XSTORMY16 ELF reloc. */
-static void
-xstormy16_info_to_howto_rela (abfd, cache_ptr, dst)
- bfd * abfd ATTRIBUTE_UNUSED;
- arelent * cache_ptr;
- Elf_Internal_Rela * dst;
+static bfd_boolean
+xstormy16_info_to_howto_rela (bfd * abfd,
+ arelent * cache_ptr,
+ Elf_Internal_Rela * dst)
{
unsigned int r_type = ELF32_R_TYPE (dst->r_info);
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 ();
-}
-
-/* Handle the R_XSTORMY16_24 reloc, which has an odd bit arrangement. */
-
-static bfd_reloc_status_type
-xstormy16_elf_24_reloc (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
-{
- bfd_vma relocation, x;
-
- if (output_bfd != NULL)
{
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
}
-
- if (reloc_entry->address > input_section->_cooked_size)
- return bfd_reloc_outofrange;
-
- 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;
-
- x = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
- x &= 0x0000ff00;
- x |= relocation & 0xff;
- x |= (relocation << 8) & 0xffff0000;
- bfd_put_32 (abfd, x, (bfd_byte *) data + reloc_entry->address);
-
- if (relocation & ~ (bfd_vma) 0xffffff)
- return bfd_reloc_overflow;
-
- return bfd_reloc_ok;
+ return TRUE;
}
\f
/* We support 16-bit pointers to code above 64k by generating a thunk
sections will fall in the address space. */
static bfd_boolean
-xstormy16_elf_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+xstormy16_elf_check_relocs (bfd *abfd,
+ struct bfd_link_info *info,
+ asection *sec,
+ const Elf_Internal_Rela *relocs)
{
const Elf_Internal_Rela *rel, *relend;
struct elf_link_hash_entry **sym_hashes;
asection *splt;
bfd *dynobj;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
symtab_hdr = &elf_tdata(abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
local_plt_offsets = elf_local_got_offsets (abfd);
- splt = NULL;
dynobj = elf_hash_table(info)->dynobj;
relend = relocs + sec->reloc_count;
}
switch (ELF32_R_TYPE (rel->r_info))
- {
+ {
/* This relocation describes a 16-bit pointer to a function.
We may need to allocate a thunk in low memory; reserve memory
for it now. */
if (dynobj == NULL)
elf_hash_table (info)->dynobj = dynobj = abfd;
+ splt = elf_hash_table (info)->splt;
if (splt == NULL)
{
- splt = bfd_get_section_by_name (dynobj, ".plt");
- if (splt == NULL)
- {
- splt = bfd_make_section (dynobj, ".plt");
- if (splt == NULL
- || ! bfd_set_section_flags (dynobj, splt,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY
- | SEC_CODE))
- || ! bfd_set_section_alignment (dynobj, splt, 1))
- return FALSE;
- }
+ flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED
+ | SEC_READONLY | SEC_CODE);
+
+ splt = bfd_make_section_anyway_with_flags (dynobj, ".plt",
+ flags);
+ elf_hash_table (info)->splt = splt;
+ if (splt == NULL
+ || ! bfd_set_section_alignment (dynobj, splt, 1))
+ return FALSE;
}
if (h != NULL)
unsigned int i;
size = symtab_hdr->sh_info * sizeof (bfd_vma);
- local_plt_offsets = (bfd_vma *) bfd_alloc (abfd, size);
+ local_plt_offsets = bfd_alloc (abfd, size);
if (local_plt_offsets == NULL)
return FALSE;
elf_local_got_offsets (abfd) = local_plt_offsets;
if (*offset == (bfd_vma) -1)
{
- *offset = splt->_raw_size;
- splt->_raw_size += 4;
+ *offset = splt->size;
+ splt->size += 4;
}
break;
/* This relocation describes the C++ object vtable hierarchy.
Reconstruct it for later use during GC. */
- case R_XSTORMY16_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return FALSE;
- break;
+ case R_XSTORMY16_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
- case R_XSTORMY16_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
- break;
+ 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;
+ break;
}
}
};
static bfd_boolean
-xstormy16_relax_plt_check (h, xdata)
- struct elf_link_hash_entry *h;
- PTR xdata;
+xstormy16_relax_plt_check (struct elf_link_hash_entry *h, void * xdata)
{
struct relax_plt_data *data = (struct relax_plt_data *) xdata;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
if (h->plt.offset != (bfd_vma) -1)
{
bfd_vma address;
if (address <= 0xffff)
{
h->plt.offset = -1;
- data->splt->_cooked_size -= 4;
+ data->splt->size -= 4;
*data->again = TRUE;
}
}
previously had a plt entry, give it a new entry offset. */
static bfd_boolean
-xstormy16_relax_plt_realloc (h, xdata)
- struct elf_link_hash_entry *h;
- PTR xdata;
+xstormy16_relax_plt_realloc (struct elf_link_hash_entry *h, void * xdata)
{
bfd_vma *entry = (bfd_vma *) xdata;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
if (h->plt.offset != (bfd_vma) -1)
{
h->plt.offset = *entry;
}
static bfd_boolean
-xstormy16_elf_relax_section (dynobj, splt, info, again)
- bfd *dynobj;
- asection *splt;
- struct bfd_link_info *info;
- bfd_boolean *again;
+xstormy16_elf_relax_section (bfd *dynobj,
+ asection *splt,
+ struct bfd_link_info *info,
+ bfd_boolean *again)
{
struct relax_plt_data relax_plt_data;
bfd *ibfd;
/* Assume nothing changes. */
*again = FALSE;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
/* We only relax the .plt section at the moment. */
return TRUE;
/* Quick check for an empty plt. */
- if (splt->_raw_size == 0)
+ if (splt->size == 0)
return TRUE;
- /* If this is the first time we have been called for this section,
- initialize the cooked size. */
- if (splt->_cooked_size == 0)
- splt->_cooked_size = splt->_raw_size;
-
/* Map across all global symbols; see which ones happen to
fall in the low 64k. */
relax_plt_data.splt = splt;
/* Likewise for local symbols, though that's somewhat less convenient
as we have to walk the list of input bfds and swap in symbol data. */
- for (ibfd = info->input_bfds; ibfd ; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd ; ibfd = ibfd->link.next)
{
bfd_vma *local_plt_offsets = elf_local_got_offsets (ibfd);
Elf_Internal_Shdr *symtab_hdr;
if (address <= 0xffff)
{
local_plt_offsets[idx] = -1;
- splt->_cooked_size -= 4;
+ splt->size -= 4;
*again = TRUE;
}
}
/* If we changed anything, walk the symbols again to reallocate
.plt entry addresses. */
- if (*again && splt->_cooked_size > 0)
+ if (*again && splt->size > 0)
{
bfd_vma entry = 0;
elf_link_hash_traverse (elf_hash_table (info),
xstormy16_relax_plt_realloc, &entry);
- for (ibfd = info->input_bfds; ibfd ; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd ; ibfd = ibfd->link.next)
{
bfd_vma *local_plt_offsets = elf_local_got_offsets (ibfd);
unsigned int nlocals = elf_tdata (ibfd)->symtab_hdr.sh_info;
for (idx = 0; idx < nlocals; ++idx)
if (local_plt_offsets[idx] != (bfd_vma) -1)
{
- local_plt_offsets[idx] = entry;
+ local_plt_offsets[idx] = entry;
entry += 4;
}
}
}
- splt->_raw_size = splt->_cooked_size;
return TRUE;
}
static bfd_boolean
-xstormy16_elf_always_size_sections (output_bfd, info)
- bfd *output_bfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
+xstormy16_elf_always_size_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
{
bfd *dynobj;
asection *splt;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
dynobj = elf_hash_table (info)->dynobj;
if (dynobj == NULL)
return TRUE;
- splt = bfd_get_section_by_name (dynobj, ".plt");
+ splt = elf_hash_table (info)->splt;
BFD_ASSERT (splt != NULL);
- splt->contents = (bfd_byte *) bfd_zalloc (dynobj, splt->_raw_size);
+ splt->contents = bfd_zalloc (dynobj, splt->size);
if (splt->contents == NULL)
return FALSE;
accordingly. */
static bfd_boolean
-xstormy16_elf_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, local_syms, local_sections)
- bfd * output_bfd ATTRIBUTE_UNUSED;
- 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;
+xstormy16_elf_relocate_section (bfd * output_bfd ATTRIBUTE_UNUSED,
+ 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;
+ Elf_Internal_Shdr * symtab_hdr;
struct elf_link_hash_entry ** sym_hashes;
- Elf_Internal_Rela * rel;
- Elf_Internal_Rela * relend;
- bfd *dynobj;
+ Elf_Internal_Rela * rel;
+ Elf_Internal_Rela * relend;
asection *splt;
- if (info->relocatable)
- return TRUE;
-
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
relend = relocs + input_section->reloc_count;
- dynobj = elf_hash_table (info)->dynobj;
- splt = NULL;
- if (dynobj != NULL)
- splt = bfd_get_section_by_name (dynobj, ".plt");
+ splt = elf_hash_table (info)->splt;
for (rel = relocs; rel < relend; rel ++)
{
- reloc_howto_type * howto;
- unsigned long r_symndx;
- Elf_Internal_Sym * sym;
- asection * sec;
+ reloc_howto_type * howto;
+ unsigned long r_symndx;
+ Elf_Internal_Sym * sym;
+ asection * sec;
struct elf_link_hash_entry * h;
- bfd_vma relocation;
- bfd_reloc_status_type r;
- const char * name = NULL;
- int r_type;
+ bfd_vma relocation;
+ bfd_reloc_status_type r;
+ const char * name = NULL;
+ int r_type;
r_type = ELF32_R_TYPE (rel->r_info);
{
sym = local_syms + r_symndx;
sec = local_sections [r_symndx];
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
-
- 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;
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
}
else
{
- h = sym_hashes [r_symndx - symtab_hdr->sh_info];
+ bfd_boolean unresolved_reloc, warned, ignored;
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned, ignored);
+ }
- name = h->root.root.string;
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- {
- sec = h->root.u.def.section;
- relocation = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
- }
- else if (h->root.type == bfd_link_hash_undefweak)
- {
- relocation = 0;
- }
- else
- {
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd,
- input_section, rel->r_offset, TRUE)))
- return FALSE;
- relocation = 0;
- }
+ if (bfd_link_relocatable (info))
+ continue;
+
+ if (h != NULL)
+ name = h->root.root.string;
+ else
+ {
+ 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);
}
switch (ELF32_R_TYPE (rel->r_info))
if (relocation <= 0xffff)
{
- /* If the symbol is in range for a 16-bit address, we should
+ /* If the symbol is in range for a 16-bit address, we should
have deallocated the plt entry in relax_section. */
- BFD_ASSERT (*plt_offset == (bfd_vma) -1);
+ BFD_ASSERT (*plt_offset == (bfd_vma) -1);
}
else
{
if (r != bfd_reloc_ok)
{
- const char * msg = (const char *) NULL;
+ const char * msg = NULL;
switch (r)
{
case bfd_reloc_overflow:
- r = info->callbacks->reloc_overflow
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset);
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- r = info->callbacks->undefined_symbol
- (info, name, input_bfd, input_section, rel->r_offset,
- TRUE);
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
}
if (msg)
- r = info->callbacks->warning
- (info, msg, name, input_bfd, input_section, rel->r_offset);
-
- if (! r)
- return FALSE;
+ (*info->callbacks->warning) (info, msg, name, input_bfd,
+ input_section, rel->r_offset);
}
}
/* This must exist if dynobj is ever set. */
static bfd_boolean
-xstormy16_elf_finish_dynamic_sections (abfd, info)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
+xstormy16_elf_finish_dynamic_sections (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
{
- bfd *dynobj;
- asection *splt;
+ bfd *dynobj = elf_hash_table (info)->dynobj;
+ asection *splt = elf_hash_table (info)->splt;
/* As an extra sanity check, verify that all plt entries have
been filled in. */
- if ((dynobj = elf_hash_table (info)->dynobj) != NULL
- && (splt = bfd_get_section_by_name (dynobj, ".plt")) != NULL)
+ if (dynobj != NULL && splt != NULL)
{
bfd_byte *contents = splt->contents;
- unsigned int i, size = splt->_raw_size;
+ unsigned int i, size = splt->size;
+
for (i = 0; i < size; i += 4)
{
unsigned int x = bfd_get_32 (dynobj, contents + i);
+
BFD_ASSERT (x != 0);
}
}
relocation. */
static asection *
-xstormy16_elf_gc_mark_hook (sec, info, rel, h, sym)
- asection * sec;
- struct bfd_link_info * info ATTRIBUTE_UNUSED;
- Elf_Internal_Rela * rel;
- struct elf_link_hash_entry * h;
- Elf_Internal_Sym * sym;
+xstormy16_elf_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rel,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
{
if (h != NULL)
- {
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_XSTORMY16_GNU_VTINHERIT:
- case R_XSTORMY16_GNU_VTENTRY:
- break;
-
- default:
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- }
- else
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
-
- return NULL;
-}
-
-/* Update the got entry reference counts for the section being removed. */
-
-static bfd_boolean
-xstormy16_elf_gc_sweep_hook (abfd, info, sec, relocs)
- bfd * abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info * info ATTRIBUTE_UNUSED;
- asection * sec ATTRIBUTE_UNUSED;
- const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED;
-{
- return TRUE;
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_XSTORMY16_GNU_VTINHERIT:
+ case R_XSTORMY16_GNU_VTENTRY:
+ return NULL;
+ }
+
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
\f
#define ELF_ARCH bfd_arch_xstormy16
#define ELF_MACHINE_CODE EM_XSTORMY16
#define ELF_MAXPAGESIZE 0x100
-#define TARGET_LITTLE_SYM bfd_elf32_xstormy16_vec
+#define TARGET_LITTLE_SYM xstormy16_elf32_vec
#define TARGET_LITTLE_NAME "elf32-xstormy16"
#define elf_info_to_howto_rel NULL
#define elf_info_to_howto xstormy16_info_to_howto_rela
#define elf_backend_relocate_section xstormy16_elf_relocate_section
#define elf_backend_gc_mark_hook xstormy16_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook xstormy16_elf_gc_sweep_hook
-#define elf_backend_check_relocs xstormy16_elf_check_relocs
+#define elf_backend_check_relocs xstormy16_elf_check_relocs
#define elf_backend_always_size_sections \
xstormy16_elf_always_size_sections
+#define elf_backend_omit_section_dynsym \
+ _bfd_elf_omit_section_dynsym_all
#define elf_backend_finish_dynamic_sections \
xstormy16_elf_finish_dynamic_sections
#define elf_backend_rela_normal 1
#define bfd_elf32_bfd_reloc_type_lookup xstormy16_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup \
+ xstormy16_reloc_name_lookup
#define bfd_elf32_bfd_relax_section xstormy16_elf_relax_section
#include "elf32-target.h"