/* Alpha specific support for 64-bit ELF
- Copyright 1996, 97, 98, 1999 Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@tamu.edu>.
This file is part of BFD, the Binary File Descriptor library.
PARAMS((struct alpha_elf_link_hash_entry *, PTR));
static Elf_Internal_Rela * elf64_alpha_find_reloc_at_ofs
PARAMS ((Elf_Internal_Rela *, Elf_Internal_Rela *, bfd_vma, int));
+static enum elf_reloc_type_class elf64_alpha_reloc_type_class
+ PARAMS ((int));
\f
struct alpha_elf_link_hash_entry
{
bfd *gotobj;
/* the addend in effect for this entry. */
- bfd_vma addend;
+ bfd_signed_vma addend;
/* the .got offset for this entry. */
int got_offset;
asection *srel;
/* what kind of relocation? */
- unsigned long rtype;
+ unsigned int rtype;
+
+ /* is this against read-only section? */
+ unsigned int reltext : 1;
/* how many did we find? */
unsigned long count;
false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ true), /* pcrel_offset */
/* 32 bit PC relative offset. */
HOWTO (R_ALPHA_SREL32, /* type */
false, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ true), /* pcrel_offset */
/* A 64 bit PC relative offset. */
HOWTO (R_ALPHA_SREL64, /* type */
false, /* partial_inplace */
MINUS_ONE, /* src_mask */
MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
+ true), /* pcrel_offset */
/* Push a value on the reloc evaluation stack. */
/* Not implemented -- it's dumb. */
static bfd_reloc_status_type
elf64_alpha_reloc_nil (abfd, reloc, sym, data, sec, output_bfd, error_message)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc;
- asymbol *sym;
- PTR data;
+ asymbol *sym ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
asection *sec;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
if (output_bfd)
reloc->address += sec->output_offset;
static bfd_reloc_status_type
elf64_alpha_reloc_bad (abfd, reloc, sym, data, sec, output_bfd, error_message)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc;
- asymbol *sym;
- PTR data;
+ asymbol *sym ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
asection *sec;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
if (output_bfd)
reloc->address += sec->output_offset;
output_bfd, err_msg)
bfd *abfd;
arelent *reloc_entry;
- asymbol *sym;
+ asymbol *sym ATTRIBUTE_UNUSED;
PTR data;
asection *input_section;
bfd *output_bfd;
static reloc_howto_type *
elf64_alpha_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
const struct elf_reloc_map *i, *e;
static void
elf64_alpha_info_to_howto (abfd, cache_ptr, dst)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *cache_ptr;
Elf64_Internal_Rela *dst;
{
{
while (rel < relend)
{
- if (rel->r_offset == offset && ELF64_R_TYPE (rel->r_info) == type)
+ if (rel->r_offset == offset
+ && ELF64_R_TYPE (rel->r_info) == (unsigned int) type)
return rel;
++rel;
}
continue;
info.h = h;
- info.gotent = gotent;
info.tsec = h->root.root.u.def.section;
info.other = h->root.other;
gotent = h->got_entries;
bfd *abfd;
struct bfd_link_info *info;
const Elf_Internal_Sym *sym;
- const char **namep;
- flagword *flagsp;
+ const char **namep ATTRIBUTE_UNUSED;
+ flagword *flagsp ATTRIBUTE_UNUSED;
asection **secp;
bfd_vma *valp;
{
if (sym->st_shndx == SHN_COMMON
&& !info->relocateable
- && sym->st_size <= bfd_get_gp_size (abfd))
+ && sym->st_size <= elf_gp_size (abfd))
{
/* Common symbols less than or equal to -G nn bytes are
automatically put into .sbss. */
static boolean
elf64_alpha_create_got_section(abfd, info)
bfd *abfd;
- struct bfd_link_info *info;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
{
asection *s;
static boolean
elf64_alpha_is_local_label_name (abfd, name)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
const char *name;
{
return name[0] == '$';
sreloc = bfd_make_section (dynobj, rel_sec_name);
if (sreloc == NULL
|| !bfd_set_section_flags (dynobj, sreloc,
- ((sec->flags & (SEC_ALLOC
- | SEC_LOAD))
+ (((sec->flags
+ & SEC_ALLOC)
+ ? (SEC_ALLOC
+ | SEC_LOAD) : 0)
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY
| SEC_LINKER_CREATED
rent->srel = sreloc;
rent->rtype = r_type;
rent->count = 1;
+ rent->reltext = (sec->flags & SEC_READONLY) != 0;
rent->next = h->reloc_entries;
h->reloc_entries = rent;
/* If this is a shared library, and the section is to be
loaded into memory, we need a RELATIVE reloc. */
sreloc->_raw_size += sizeof (Elf64_External_Rela);
+ if (sec->flags & SEC_READONLY)
+ info->flags |= DF_TEXTREL;
}
break;
}
static boolean
elf64_alpha_merge_ind_symbols (hi, dummy)
struct alpha_elf_link_hash_entry *hi;
- PTR dummy;
+ PTR dummy ATTRIBUTE_UNUSED;
{
struct alpha_elf_link_hash_entry *hs;
Elf_Internal_Shdr *symtab_hdr = &elf_tdata (bsub)->symtab_hdr;
int i, n;
- n = symtab_hdr->sh_size / symtab_hdr->sh_entsize - symtab_hdr->sh_info;
+ n = NUM_SHDR_ENTRIES (symtab_hdr) - symtab_hdr->sh_info;
for (i = 0; i < n; ++i)
{
struct alpha_elf_got_entry *ae, *be;
hashes = alpha_elf_sym_hashes (bsub);
symtab_hdr = &elf_tdata (bsub)->symtab_hdr;
- n = symtab_hdr->sh_size / symtab_hdr->sh_entsize - symtab_hdr->sh_info;
+ n = NUM_SHDR_ENTRIES (symtab_hdr) - symtab_hdr->sh_info;
for (i = 0; i < n; ++i)
{
struct alpha_elf_got_entry *ae, *be, **pbe, **start;
static boolean
elf64_alpha_calc_got_offsets_for_symbol (h, arg)
struct alpha_elf_link_hash_entry *h;
- PTR arg;
+ PTR arg ATTRIBUTE_UNUSED;
{
struct alpha_elf_got_entry *gotent;
static boolean
elf64_alpha_size_got_sections (output_bfd, info)
- bfd *output_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
- bfd *i, *got_list, *cur_got_obj;
+ bfd *i, *got_list, *cur_got_obj = NULL;
int something_changed = 0;
got_list = alpha_elf_hash_table (info)->got_list;
{
relent->srel->_raw_size +=
sizeof (Elf64_External_Rela) * relent->count;
+ if (relent->reltext)
+ info->flags |= DT_TEXTREL;
}
dynobj = elf_hash_table(info)->dynobj;
static boolean
elf64_alpha_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
bfd *dynobj;
asection *s;
- boolean reltext;
boolean relplt;
dynobj = elf_hash_table(info)->dynobj;
/* The check_relocs and adjust_dynamic_symbol entry points have
determined the sizes of the various dynamic sections. Allocate
memory for them. */
- reltext = false;
relplt = false;
for (s = dynobj->sections; s != NULL; s = s->next)
{
if (!strip)
{
- const char *outname;
- asection *target;
-
- /* If this relocation section applies to a read only
- section, then we probably need a DT_TEXTREL entry. */
- outname = bfd_get_section_name (output_bfd,
- s->output_section);
- target = bfd_get_section_by_name (output_bfd, outname + 5);
- if (target != NULL
- && (target->flags & SEC_READONLY) != 0
- && (target->flags & SEC_ALLOC) != 0)
- reltext = true;
-
if (strcmp(name, ".rela.plt") == 0)
relplt = true;
sizeof (Elf64_External_Rela)))
return false;
- if (reltext)
+ if (info->flags & DF_TEXTREL)
{
if (! bfd_elf64_add_dynamic_entry (info, DT_TEXTREL, 0))
return false;
- info->flags |= DF_TEXTREL;
}
}
struct alpha_elf_link_hash_entry *h;
Elf_Internal_Sym *sym;
bfd_vma relocation;
- bfd_vma addend;
+ bfd_signed_vma addend;
bfd_reloc_status_type r;
r_type = ELF64_R_TYPE(rel->r_info);
{
asection *s;
EXTR esym;
- bfd_vma last;
+ bfd_vma last = 0;
unsigned int i;
static const char * const name[] =
{
return true;
}
+
+static enum elf_reloc_type_class
+elf64_alpha_reloc_type_class (type)
+ int type;
+{
+ switch (type)
+ {
+ case R_ALPHA_RELATIVE:
+ return reloc_class_relative;
+ case R_ALPHA_JMP_SLOT:
+ return reloc_class_plt;
+ case R_ALPHA_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
+}
\f
/* ECOFF swapping routines. These are used when dealing with the
.mdebug section, which is in the ECOFF debugging format. Copied
#define TARGET_LITTLE_SYM bfd_elf64_alpha_vec
#define TARGET_LITTLE_NAME "elf64-alpha"
#define ELF_ARCH bfd_arch_alpha
-#define ELF_MACHINE_CODE EM_ALPHA
-#define ELF_MAXPAGESIZE 0x10000
+#define ELF_MACHINE_CODE EM_ALPHA
+#define ELF_MAXPAGESIZE 0x10000
#define bfd_elf64_bfd_link_hash_table_create \
elf64_alpha_bfd_link_hash_table_create
elf64_alpha_finish_dynamic_sections
#define bfd_elf64_bfd_final_link \
elf64_alpha_final_link
+#define elf_backend_reloc_type_class \
+ elf64_alpha_reloc_type_class
#define elf_backend_ecoff_debug_swap \
&elf64_alpha_ecoff_debug_swap
projects / deliverable / binutils-gdb.git / blobdiff