/* FR30-specific support for 32-bit ELF.
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static reloc_howto_type * fr30_reloc_type_lookup
PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
-static void fr30_info_to_howto_rela
- PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
-static boolean fr30_elf_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
+static void fr30_info_to_howto_rela
+ PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
+static bfd_boolean fr30_elf_relocate_section
+ PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
+ Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
static bfd_reloc_status_type fr30_final_link_relocate
- PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, bfd_vma));
+ PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
+ Elf_Internal_Rela *, bfd_vma));
+static bfd_boolean fr30_elf_gc_sweep_hook
+ PARAMS ((bfd *, struct bfd_link_info *, asection *,
+ const Elf_Internal_Rela *));
+static asection * fr30_elf_gc_mark_hook
+ PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
+ struct elf_link_hash_entry *, Elf_Internal_Sym *));
+static bfd_boolean fr30_elf_check_relocs
+ PARAMS ((bfd *, struct bfd_link_info *, asection *,
+ const Elf_Internal_Rela *));
static reloc_howto_type fr30_elf_howto_table [] =
{
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_FR30_NONE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* An 8 bit absolute relocation. */
HOWTO (R_FR30_8, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
4, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_FR30_8", /* name */
- true, /* partial_inplace */
- 0x0ff0, /* src_mask */
+ TRUE, /* partial_inplace */
+ 0x0000, /* src_mask */
0x0ff0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 20 bit absolute relocation. */
HOWTO (R_FR30_20, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
20, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
fr30_elf_i20_reloc, /* special_function */
"R_FR30_20", /* name */
- true, /* partial_inplace */
- 0x00f0ffff, /* src_mask */
+ TRUE, /* partial_inplace */
+ 0x00000000, /* src_mask */
0x00f0ffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 32 bit absolute relocation. */
HOWTO (R_FR30_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 */
- fr30_elf_i32_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_FR30_32", /* name */
- true, /* partial_inplace */
- 0xffffffff, /* src_mask */
+ TRUE, /* partial_inplace */
+ 0x00000000, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 32 bit into 48 bits absolute relocation. */
+ HOWTO (R_FR30_48, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ fr30_elf_i32_reloc, /* special_function */
+ "R_FR30_48", /* name */
+ TRUE, /* partial_inplace */
+ 0x00000000, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 6 bit absolute relocation. */
HOWTO (R_FR30_6_IN_4, /* type */
2, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
6, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
4, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_FR30_6_IN_4", /* name */
- true, /* partial_inplace */
- 0x00f0, /* src_mask */
+ TRUE, /* partial_inplace */
+ 0x0000, /* src_mask */
0x00f0, /* dst_mask */
- false), /* pcrel_offset */
-
+ FALSE), /* pcrel_offset */
+
/* An 8 bit absolute relocation. */
HOWTO (R_FR30_8_IN_8, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
4, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc,/* special_function */
"R_FR30_8_IN_8", /* name */
- true, /* partial_inplace */
- 0x0ff0, /* src_mask */
+ TRUE, /* partial_inplace */
+ 0x0000, /* src_mask */
0x0ff0, /* dst_mask */
- false), /* pcrel_offset */
-
+ FALSE), /* pcrel_offset */
+
/* A 9 bit absolute relocation. */
HOWTO (R_FR30_9_IN_8, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
9, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
4, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc,/* special_function */
"R_FR30_9_IN_8", /* name */
- true, /* partial_inplace */
- 0x0ff0, /* src_mask */
+ TRUE, /* partial_inplace */
+ 0x0000, /* src_mask */
0x0ff0, /* dst_mask */
- false), /* pcrel_offset */
-
+ FALSE), /* pcrel_offset */
+
/* A 10 bit absolute relocation. */
HOWTO (R_FR30_10_IN_8, /* type */
2, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
10, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
4, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc,/* special_function */
"R_FR30_10_IN_8", /* name */
- true, /* partial_inplace */
- 0x0ff0, /* src_mask */
+ TRUE, /* partial_inplace */
+ 0x0000, /* src_mask */
0x0ff0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A PC relative 9 bit relocation, right shifted by 1. */
HOWTO (R_FR30_9_PCREL, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
9, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_FR30_9_PCREL", /* name */
- false, /* partial_inplace */
- 0x00ff, /* src_mask */
+ FALSE, /* partial_inplace */
+ 0x0000, /* src_mask */
0x00ff, /* dst_mask */
- true), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A PC relative 12 bit relocation, right shifted by 1. */
HOWTO (R_FR30_12_PCREL, /* type */
1, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
12, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ bfd_elf_generic_reloc, /* special_function */
"R_FR30_12_PCREL", /* name */
- false, /* partial_inplace */
- 0x07ff, /* src_mask */
+ FALSE, /* partial_inplace */
+ 0x0000, /* src_mask */
0x07ff, /* dst_mask */
- true), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
+ /* GNU extension to record C++ vtable hierarchy */
+ HOWTO (R_FR30_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_FR30_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_FR30_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_FR30_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
};
\f
/* Utility to actually perform an R_FR30_20 reloc. */
static bfd_reloc_status_type
fr30_elf_i20_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;
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
{
- bfd_vma relocation;
+ bfd_vma relocation;
unsigned long x;
-
+
/* This part is from bfd_elf_generic_reloc. */
if (output_bfd != (bfd *) NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
+ symbol->section->output_offset
+ reloc_entry->addend;
- if (relocation > ((1U << 20) - 1))
+ if (relocation > (((bfd_vma) 1 << 20) - 1))
return bfd_reloc_overflow;
- x = bfd_get_32 (abfd, data + reloc_entry->address);
+ x = bfd_get_32 (abfd, (char *) data + reloc_entry->address);
x = (x & 0xff0f0000) | (relocation & 0x0000ffff) | ((relocation & 0x000f0000) << 4);
- bfd_put_32 (abfd, x, data + reloc_entry->address);
+ bfd_put_32 (abfd, (bfd_vma) x, (char *) data + reloc_entry->address);
return bfd_reloc_ok;
}
-
\f
-/* Utility to actually perform a R_FR30_32 reloc. */
+/* Utility to actually perform a R_FR30_48 reloc. */
static bfd_reloc_status_type
fr30_elf_i32_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;
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message ATTRIBUTE_UNUSED;
{
- bfd_vma relocation;
+ bfd_vma relocation;
/* This part is from bfd_elf_generic_reloc. */
if (output_bfd != (bfd *) NULL
+ symbol->section->output_offset
+ reloc_entry->addend;
- bfd_put_32 (abfd, relocation, data + reloc_entry->address + 2);
+ bfd_put_32 (abfd, relocation, (char *) data + reloc_entry->address + 2);
return bfd_reloc_ok;
}
-
\f
/* Map BFD reloc types to FR30 ELF reloc types. */
struct fr30_reloc_map
{
- unsigned int bfd_reloc_val;
+ bfd_reloc_code_real_type bfd_reloc_val;
unsigned int fr30_reloc_val;
};
{ BFD_RELOC_8, R_FR30_8 },
{ BFD_RELOC_FR30_20, R_FR30_20 },
{ BFD_RELOC_32, R_FR30_32 },
+ { BFD_RELOC_FR30_48, R_FR30_48 },
{ BFD_RELOC_FR30_6_IN_4, R_FR30_6_IN_4 },
{ BFD_RELOC_FR30_8_IN_8, R_FR30_8_IN_8 },
{ BFD_RELOC_FR30_9_IN_8, R_FR30_9_IN_8 },
{ BFD_RELOC_FR30_10_IN_8, R_FR30_10_IN_8 },
{ BFD_RELOC_FR30_9_PCREL, R_FR30_9_PCREL },
{ BFD_RELOC_FR30_12_PCREL, R_FR30_12_PCREL },
+ { BFD_RELOC_VTABLE_INHERIT, R_FR30_GNU_VTINHERIT },
+ { BFD_RELOC_VTABLE_ENTRY, R_FR30_GNU_VTENTRY },
};
static reloc_howto_type *
fr30_reloc_type_lookup (abfd, code)
- bfd * abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
--i;)
if (fr30_reloc_map [i].bfd_reloc_val == code)
return & fr30_elf_howto_table [fr30_reloc_map[i].fr30_reloc_val];
-
+
return NULL;
}
static void
fr30_info_to_howto_rela (abfd, cache_ptr, dst)
- bfd * abfd;
- arelent * cache_ptr;
- Elf32_Internal_Rela * dst;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *cache_ptr;
+ Elf_Internal_Rela *dst;
{
unsigned int r_type;
routines, but a few relocs, we have to do them ourselves. */
static bfd_reloc_status_type
-fr30_final_link_relocate (howto, input_bfd, input_section, contents, rel, relocation)
- reloc_howto_type * howto;
- bfd * input_bfd;
- asection * input_section;
- bfd_byte * contents;
- Elf_Internal_Rela * rel;
- bfd_vma relocation;
+fr30_final_link_relocate (howto, input_bfd, input_section, contents, rel,
+ relocation)
+ reloc_howto_type *howto;
+ bfd *input_bfd;
+ asection *input_section;
+ bfd_byte *contents;
+ Elf_Internal_Rela *rel;
+ bfd_vma relocation;
{
bfd_reloc_status_type r = bfd_reloc_ok;
- bfd_vma x;
-
+ bfd_vma x;
+ bfd_signed_vma srel;
+
switch (howto->type)
{
case R_FR30_20:
- contents += rel->r_offset;
+ contents += rel->r_offset;
relocation += rel->r_addend;
+
+ if (relocation > ((1 << 20) - 1))
+ return bfd_reloc_overflow;
+
x = bfd_get_32 (input_bfd, contents);
x = (x & 0xff0f0000) | (relocation & 0x0000ffff) | ((relocation & 0x000f0000) << 4);
- bfd_put_32 (input_bfd, relocation, contents);
+ bfd_put_32 (input_bfd, x, contents);
break;
-
- case R_FR30_32:
- contents += rel->r_offset + 2;
+
+ case R_FR30_48:
+ contents += rel->r_offset + 2;
relocation += rel->r_addend;
bfd_put_32 (input_bfd, relocation, contents);
break;
-
+
+ case R_FR30_9_PCREL:
+ contents += rel->r_offset + 1;
+ srel = (bfd_signed_vma) relocation;
+ srel += rel->r_addend;
+ srel -= rel->r_offset;
+ srel -= 2; /* Branch instructions add 2 to the PC... */
+ srel -= (input_section->output_section->vma +
+ input_section->output_offset);
+
+ if (srel & 1)
+ return bfd_reloc_outofrange;
+ if (srel > ((1 << 8) - 1) || (srel < - (1 << 8)))
+ return bfd_reloc_overflow;
+
+ bfd_put_8 (input_bfd, srel >> 1, contents);
+ break;
+
+ case R_FR30_12_PCREL:
+ contents += rel->r_offset;
+ srel = (bfd_signed_vma) relocation;
+ srel += rel->r_addend;
+ srel -= rel->r_offset;
+ srel -= 2; /* Branch instructions add 2 to the PC... */
+ srel -= (input_section->output_section->vma +
+ input_section->output_offset);
+
+ if (srel & 1)
+ return bfd_reloc_outofrange;
+ if (srel > ((1 << 11) - 1) || (srel < - (1 << 11)))
+ return bfd_reloc_overflow;
+
+ x = bfd_get_16 (input_bfd, contents);
+ x = (x & 0xf800) | ((srel >> 1) & 0x7ff);
+ bfd_put_16 (input_bfd, x, contents);
+ break;
+
default:
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
contents, rel->r_offset,
return r;
}
-
\f
/* Relocate an FR30 ELF section.
- There is some attempt to make this function usable for many architectures,
- both USE_REL and USE_RELA ['twould be nice if such a critter existed],
- if only to serve as a learning tool.
The RELOCATE_SECTION function is called by the new ELF backend linker
to handle the relocations for a section.
section, which means that the addend must be adjusted
accordingly. */
-static boolean
+static bfd_boolean
fr30_elf_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, local_syms, local_sections)
- 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;
+ 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;
- Elf_Internal_Rela * relend;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ Elf_Internal_Rela *rel;
+ Elf_Internal_Rela *relend;
+
+ if (info->relocateable)
+ return TRUE;
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
for (rel = relocs; rel < relend; rel ++)
{
- 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;
+ 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;
+
+ r_type = ELF32_R_TYPE (rel->r_info);
+
+ if ( r_type == R_FR30_GNU_VTINHERIT
+ || r_type == R_FR30_GNU_VTENTRY)
+ continue;
r_symndx = ELF32_R_SYM (rel->r_info);
- if (info->relocateable)
- {
- /* This is a relocateable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
-
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections [r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
-
- continue;
- }
-
- /* This is a final link. */
howto = fr30_elf_howto_table + 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 = (sec->output_section->vma
- + sec->output_offset
- + sym->st_value);
-
+ 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;
else
{
h = sym_hashes [r_symndx - symtab_hdr->sh_info];
-
+
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;
name = h->root.root.string;
-
+
if (h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
{
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
- input_section, rel->r_offset)))
- return false;
+ input_section, rel->r_offset, TRUE)))
+ return FALSE;
#if 0
fprintf (stderr, "unknown: name: %s\n", name);
#endif
relocation = 0;
}
}
-
+
r = fr30_final_link_relocate (howto, input_bfd, input_section,
contents, rel, relocation);
(info, 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);
+ (info, name, input_bfd, input_section, rel->r_offset,
+ TRUE);
break;
-
+
case bfd_reloc_outofrange:
msg = _("internal error: out of range error");
break;
(info, msg, name, input_bfd, input_section, rel->r_offset);
if (! r)
- return false;
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+\f
+/* Return the section that should be marked against GC for a given
+ relocation. */
+
+static asection *
+fr30_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;
+{
+ if (h != NULL)
+ {
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_FR30_GNU_VTINHERIT:
+ case R_FR30_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. */
- return true;
+static bfd_boolean
+fr30_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;
+}
+
+/* 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
+fr30_elf_check_relocs (abfd, info, sec, relocs)
+ bfd *abfd;
+ struct bfd_link_info *info;
+ asection *sec;
+ const Elf_Internal_Rela *relocs;
+{
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
+ const Elf_Internal_Rela *rel;
+ const Elf_Internal_Rela *rel_end;
+
+ if (info->relocateable)
+ return TRUE;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
+ if (!elf_bad_symtab (abfd))
+ sym_hashes_end -= symtab_hdr->sh_info;
+
+ rel_end = relocs + sec->reloc_count;
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ struct elf_link_hash_entry *h;
+ unsigned long r_symndx;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx < symtab_hdr->sh_info)
+ h = NULL;
+ else
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_FR30_GNU_VTINHERIT:
+ if (!_bfd_elf32_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_FR30_GNU_VTENTRY:
+ if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+ }
+ }
+
+ return TRUE;
}
\f
#define ELF_ARCH bfd_arch_fr30
-#define ELF_MACHINE_CODE EM_CYGNUS_FR30
+#define ELF_MACHINE_CODE EM_FR30
+#define ELF_MACHINE_ALT1 EM_CYGNUS_FR30
#define ELF_MAXPAGESIZE 0x1000
#define TARGET_BIG_SYM bfd_elf32_fr30_vec
#define elf_info_to_howto_rel NULL
#define elf_info_to_howto fr30_info_to_howto_rela
#define elf_backend_relocate_section fr30_elf_relocate_section
+#define elf_backend_gc_mark_hook fr30_elf_gc_mark_hook
+#define elf_backend_gc_sweep_hook fr30_elf_gc_sweep_hook
+#define elf_backend_check_relocs fr30_elf_check_relocs
+
+#define elf_backend_can_gc_sections 1
+#define elf_backend_rela_normal 1
#define bfd_elf32_bfd_reloc_type_lookup fr30_reloc_type_lookup
-
+
#include "elf32-target.h"