/* OpenRISC-specific support for 32-bit ELF.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Johan Rydberg, jrydberg@opencores.org
This file is part of BFD, the Binary File Descriptor library.
static reloc_howto_type *openrisc_reloc_type_lookup
PARAMS ((bfd * , bfd_reloc_code_real_type));
static void openrisc_info_to_howto_rela
- PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
-static boolean openrisc_elf_relocate_section
+ PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
+static bfd_boolean openrisc_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 openrisc_final_link_relocate
- PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
+ PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, bfd_vma));
-static boolean openrisc_elf_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
+static bfd_boolean openrisc_elf_gc_sweep_hook
+ PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
static asection * openrisc_elf_gc_mark_hook
- PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *,
+ PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *, Elf_Internal_Sym *));
-static boolean openrisc_elf_check_relocs
+static bfd_boolean openrisc_elf_check_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection *,
const Elf_Internal_Rela *));
-static boolean openrisc_elf_object_p
+static bfd_boolean openrisc_elf_object_p
PARAMS ((bfd *));
static void openrisc_elf_final_write_processing
- PARAMS ((bfd *, boolean));
+ PARAMS ((bfd *, bfd_boolean));
static reloc_howto_type openrisc_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_OPENRISC_NONE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A PC relative 26 bit relocation, right shifted by 2. */
HOWTO (R_OPENRISC_INSN_REL_26, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_OPENRISC_INSN_REL_26", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x00000000, /* src_mask */
0x03ffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A absolute 26 bit relocation, right shifted by 2. */
HOWTO (R_OPENRISC_INSN_ABS_26, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
26, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_OPENRISC_INSN_ABS_26", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0x00000000, /* src_mask */
0x03ffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
HOWTO (R_OPENRISC_LO_16_IN_INSN, /* 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_OPENRISC_LO_16_IN_INSN", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
HOWTO (R_OPENRISC_HI_16_IN_INSN, /* 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_OPENRISC_HI_16_IN_INSN", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0x0000ffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* An 8 bit absolute relocation. */
HOWTO (R_OPENRISC_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_OPENRISC_8", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0x0000, /* src_mask */
0x00ff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 16 bit absolute relocation. */
HOWTO (R_OPENRISC_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_OPENRISC_16", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0x00000000, /* src_mask */
0x0000ffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 32 bit absolute relocation. */
HOWTO (R_OPENRISC_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_OPENRISC_32", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0x00000000, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* GNU extension to record C++ vtable hierarchy */
HOWTO (R_OPENRISC_GNU_VTINHERIT, /* 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 */
NULL, /* special_function */
"R_OPENRISC_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_OPENRISC_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_OPENRISC_GNU_VTENTRY", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
};
/* Map BFD reloc types to OpenRISC ELF reloc types. */
openrisc_info_to_howto_rela (abfd, cache_ptr, dst)
bfd * abfd ATTRIBUTE_UNUSED;
arelent * cache_ptr;
- Elf32_Internal_Rela * dst;
+ Elf_Internal_Rela * dst;
{
unsigned int r_type;
}
/* Relocate an OpenRISC 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.
zero.
This function is responsible for adjusting the section contents as
- necessary, and (if using Rela relocs and generating a relocateable
+ necessary, and (if using Rela relocs and generating a relocatable
output file) adjusting the reloc addend as necessary.
This function does not have to worry about setting the reloc
The global hash table entry for the global symbols can be found
via elf_sym_hashes (input_bfd).
- When generating relocateable output, this function must handle
+ When generating relocatable output, this function must handle
STB_LOCAL/STT_SECTION symbols specially. The output symbol is
going to be the section symbol corresponding to the output
section, which means that the addend must be adjusted
accordingly. */
-static boolean
+static bfd_boolean
openrisc_elf_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, local_syms, local_sections)
- bfd *output_bfd ATTRIBUTE_UNUSED;
+ bfd *output_bfd;
struct bfd_link_info *info;
bfd *input_bfd;
asection *input_section;
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
+ 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;
|| r_type == R_OPENRISC_GNU_VTENTRY)
continue;
- 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;
- }
-
if ((unsigned int) r_type >
(sizeof openrisc_elf_howto_table / sizeof (reloc_howto_type)))
abort ();
{
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);
}
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;
+ bfd_boolean unresolved_reloc, warned;
- name = h->root.root.string;
-
- 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;
- }
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
}
r = openrisc_final_link_relocate (howto, input_bfd, input_section,
{
case bfd_reloc_overflow:
r = info->callbacks->reloc_overflow
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset);
+ (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, name, input_bfd, input_section, rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
(info, msg, name, input_bfd, input_section, rel->r_offset);
if (!r)
- return false;
+ return FALSE;
}
}
- return true;
+ return TRUE;
}
/* Return the section that should be marked against GC for a given
relocation. */
static asection *
-openrisc_elf_gc_mark_hook (abfd, info, rel, h, sym)
- bfd *abfd ATTRIBUTE_UNUSED;
+openrisc_elf_gc_mark_hook (sec, info, rel, h, sym)
+ asection *sec;
struct bfd_link_info *info ATTRIBUTE_UNUSED;
- Elf_Internal_Rela *rel ATTRIBUTE_UNUSED;
- struct elf_link_hash_entry *h ATTRIBUTE_UNUSED;
- Elf_Internal_Sym *sym ATTRIBUTE_UNUSED;
+ Elf_Internal_Rela *rel;
+ struct elf_link_hash_entry *h;
+ Elf_Internal_Sym *sym;
{
if (h != NULL)
{
}
}
else
- {
- if (!(elf_bad_symtab (abfd)
- && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
- && !((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
- && sym->st_shndx != SHN_COMMON))
- {
- return bfd_section_from_elf_index (abfd, sym->st_shndx);
- }
- }
+ 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 boolean
+static bfd_boolean
openrisc_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;
+ 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 boolean
+static bfd_boolean
openrisc_elf_check_relocs (abfd, info, sec, relocs)
bfd *abfd;
struct bfd_link_info *info;
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
- if (info->relocateable)
- return true;
+ if (info->relocatable)
+ return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
/* This relocation describes the C++ object vtable hierarchy.
Reconstruct it for later use during GC. */
case R_OPENRISC_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return false;
+ 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_OPENRISC_GNU_VTENTRY:
- if (!_bfd_elf32_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;
}
/* Set the right machine number. */
-static boolean
+static bfd_boolean
openrisc_elf_object_p (abfd)
bfd *abfd;
{
(void) bfd_default_set_arch_mach (abfd, bfd_arch_openrisc, 0);
break;
}
- return true;
+ return TRUE;
}
/* Store the machine number in the flags field. */
static void
openrisc_elf_final_write_processing (abfd, linker)
bfd *abfd;
- boolean linker ATTRIBUTE_UNUSED;
+ bfd_boolean linker ATTRIBUTE_UNUSED;
{
unsigned long val;
#define ELF_ARCH bfd_arch_openrisc
#define ELF_MACHINE_CODE EM_OPENRISC
+#define ELF_MACHINE_ALT1 EM_OPENRISC_OLD
#define ELF_MAXPAGESIZE 0x1000
#define TARGET_BIG_SYM bfd_elf32_openrisc_vec
#define elf_backend_check_relocs openrisc_elf_check_relocs
#define elf_backend_can_gc_sections 1
+#define elf_backend_rela_normal 1
#define bfd_elf32_bfd_reloc_type_lookup openrisc_reloc_type_lookup
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