asection *rel_pltoff_sec; /* dynamic relocation section for same */
bfd_size_type minplt_entries; /* number of minplt entries */
+ unsigned reltext : 1; /* are there relocs against readonly sections? */
struct elfNN_ia64_local_hash_table loc_hash_table;
};
PARAMS ((const char *));
static boolean elfNN_ia64_section_from_shdr
PARAMS ((bfd *, ElfNN_Internal_Shdr *, char *));
+static boolean elfNN_ia64_section_flags
+ PARAMS ((flagword *, ElfNN_Internal_Shdr *));
static boolean elfNN_ia64_fake_sections
PARAMS ((bfd *abfd, ElfNN_Internal_Shdr *hdr, asection *sec));
static void elfNN_ia64_final_write_processing
PARAMS ((bfd *abfd, struct bfd_link_info *info));
static int elfNN_ia64_additional_program_headers
PARAMS ((bfd *abfd));
+static boolean elfNN_ia64_modify_segment_map
+ PARAMS ((bfd *));
static boolean elfNN_ia64_is_local_label_name
PARAMS ((bfd *abfd, const char *name));
static boolean elfNN_ia64_dynamic_symbol_p
static struct bfd_hash_entry *elfNN_ia64_new_elf_hash_entry
PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table,
const char *string));
+static void elfNN_ia64_hash_copy_indirect
+ PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
+static void elfNN_ia64_hash_hide_symbol
+ PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
static struct bfd_link_hash_table *elfNN_ia64_hash_table_create
PARAMS ((bfd *abfd));
static struct elfNN_ia64_local_hash_entry *elfNN_ia64_local_hash_lookup
PARAMS ((struct elfNN_ia64_local_hash_table *table, const char *string,
boolean create, boolean copy));
+static boolean elfNN_ia64_global_dyn_sym_thunk
+ PARAMS ((struct bfd_hash_entry *, PTR));
+static boolean elfNN_ia64_local_dyn_sym_thunk
+ PARAMS ((struct bfd_hash_entry *, PTR));
static void elfNN_ia64_dyn_sym_traverse
PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info,
boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR),
PARAMS ((bfd *abfd, struct bfd_link_info *info,
struct elfNN_ia64_dyn_sym_info *dyn_i,
bfd_vma value, boolean));
+static int elfNN_ia64_unwind_entry_compare
+ PARAMS ((const PTR, const PTR));
static boolean elfNN_ia64_final_link
PARAMS ((bfd *abfd, struct bfd_link_info *info));
static boolean elfNN_ia64_relocate_section
PARAMS ((bfd *ibfd, bfd *obfd));
static boolean elfNN_ia64_print_private_bfd_data
PARAMS ((bfd *abfd, PTR ptr));
+static enum elf_reloc_type_class elfNN_ia64_reloc_type_class
+ PARAMS ((int));
\f
/* ia64-specific relocation */
IA64_HOWTO (R_IA64_LTOFF_FPTR22, "LTOFF_FPTR22", 0, false, true),
IA64_HOWTO (R_IA64_LTOFF_FPTR64I, "LTOFF_FPTR64I", 0, false, true),
+ IA64_HOWTO (R_IA64_LTOFF_FPTR32MSB, "LTOFF_FPTR32MSB", 2, false, true),
+ IA64_HOWTO (R_IA64_LTOFF_FPTR32LSB, "LTOFF_FPTR32LSB", 2, false, true),
IA64_HOWTO (R_IA64_LTOFF_FPTR64MSB, "LTOFF_FPTR64MSB", 4, false, true),
IA64_HOWTO (R_IA64_LTOFF_FPTR64LSB, "LTOFF_FPTR64LSB", 4, false, true),
case BFD_RELOC_IA64_LTOFF_FPTR22: rtype = R_IA64_LTOFF_FPTR22; break;
case BFD_RELOC_IA64_LTOFF_FPTR64I: rtype = R_IA64_LTOFF_FPTR64I; break;
+ case BFD_RELOC_IA64_LTOFF_FPTR32MSB: rtype = R_IA64_LTOFF_FPTR32MSB; break;
+ case BFD_RELOC_IA64_LTOFF_FPTR32LSB: rtype = R_IA64_LTOFF_FPTR32LSB; break;
case BFD_RELOC_IA64_LTOFF_FPTR64MSB: rtype = R_IA64_LTOFF_FPTR64MSB; break;
case BFD_RELOC_IA64_LTOFF_FPTR64LSB: rtype = R_IA64_LTOFF_FPTR64LSB; break;
{
if (sym->st_shndx == SHN_COMMON
&& !info->relocateable
- && sym->st_size <= (unsigned) 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. */
{
if (strcmp (*namep, "__GLOB_DATA_PTR") == 0)
{
- /* Define __GLOB_DATA_PTR. This is expected to be a linker-defined
- symbol by the Aix C runtime startup code. Define the symbol
- when it is encountered. IBM sez no one else should use it b/c it is
- undocumented. */
+ /* Define __GLOB_DATA_PTR when it is encountered. This is expected to
+ be a linker-defined symbol by the Aix C runtime startup code. IBM sez
+ no one else should use it b/c it is undocumented. */
struct elf_link_hash_entry *h;
h = (struct elf_link_hash_entry *) bfd_link_hash_lookup (info->hash, *namep, false, false, false);
ia64_info = elfNN_ia64_hash_table (info);
if (!(_bfd_generic_link_add_one_symbol
- (info, abfd, *namep, BSF_GLOBAL, ia64_info->got_sec,
+ (info, abfd, *namep, BSF_GLOBAL,
+ bfd_get_section_by_name (abfd, ".bss"),
bed->got_symbol_offset, (const char *) NULL, false,
bed->collect, (struct bfd_link_hash_entry **) &h)))
return false;
h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
h->type = STT_OBJECT;
- if (info->shared
- && ! _bfd_elf_link_record_dynamic_symbol (info, h))
+ if (! _bfd_elf_link_record_dynamic_symbol (info, h))
return false;
}
/* SHN_AIX_SYSCALL: Treat this as any other symbol. The special symbol
is only relevant when compiling code for extended system calls.
- Replace the "special" section with .text, if possible. */
- /* FIXME need to determine the proper section instead of defaulting to
- .text. */
+ Replace the "special" section with .text, if possible.
+ Note that these symbols are always assumed to be in .text. */
for (i = 1; i < elf_elfheader (abfd)->e_shnum; i++)
{
asection * sec = bfd_section_from_elf_index (abfd, i);
{
struct elfNN_ia64_link_hash_table *ret;
- ret = bfd_alloc (abfd, sizeof (*ret));
+ ret = bfd_zalloc (abfd, sizeof (*ret));
if (!ret)
return 0;
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
len += 10; /* %p slop */
addr_name = alloca (len);
- sprintf (addr_name, "%p:%lx", (void *) abfd, ELFNN_R_SYM (rel->r_info));
+ sprintf (addr_name, "%p:%lx",
+ (void *) abfd, (unsigned long) ELFNN_R_SYM (rel->r_info));
/* Collect the canonical entry data for this address. */
loc_h = elfNN_ia64_local_hash_lookup (&ia64_info->loc_hash_table,
return NULL;
}
+ if (sec->flags & SEC_READONLY)
+ ia64_info->reltext = 1;
+
return srel;
}
case R_IA64_LTOFF_FPTR22:
case R_IA64_LTOFF_FPTR64I:
+ case R_IA64_LTOFF_FPTR32MSB:
+ case R_IA64_LTOFF_FPTR32LSB:
case R_IA64_LTOFF_FPTR64MSB:
case R_IA64_LTOFF_FPTR64LSB:
need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR;
case R_IA64_FPTR32LSB:
case R_IA64_FPTR64MSB:
case R_IA64_FPTR64LSB:
- if (elfNN_ia64_aix_vec (abfd->xvec))
- need_entry = NEED_FPTR | NEED_DYNREL;
- else if (info->shared || h)
+ if (info->shared || h || elfNN_ia64_aix_vec (abfd->xvec))
need_entry = NEED_FPTR | NEED_DYNREL;
else
need_entry = NEED_FPTR;
case R_IA64_DIR64LSB:
/* Shared objects will always need at least a REL relocation. */
if (info->shared || maybe_dynamic
- /* On AIX, we always need a relocation, but make sure
- __GLOB_DATA_PTR doesn't get an entry. */
|| (elfNN_ia64_aix_vec (abfd->xvec)
- && (!h || strcmp (h->root.root.string,
+ && (!h || strcmp (h->root.root.string,
"__GLOB_DATA_PTR") != 0)))
need_entry = NEED_DYNREL;
dynrel_type = R_IA64_DIR64LSB;
if (dyn_i->want_got
&& ! dyn_i->want_fptr
&& (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info)
- || elfNN_ia64_aix_vec (x->info->hash->creator)))
+ || (elfNN_ia64_aix_vec (x->info->hash->creator)
+ && (!dyn_i->h || strcmp (dyn_i->h->root.root.string,
+ "__GLOB_DATA_PTR") != 0))))
{
dyn_i->got_offset = x->ofs;
x->ofs += 8;
ia64_info = elfNN_ia64_hash_table (x->info);
dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info)
- || elfNN_ia64_aix_vec (x->info->hash->creator);
+ || (elfNN_ia64_aix_vec (x->info->hash->creator)
+ /* Don't allocate an entry for __GLOB_DATA_PTR */
+ && (!dyn_i->h || strcmp (dyn_i->h->root.root.string,
+ "__GLOB_DATA_PTR") != 0));
shared = x->info->shared;
/* Take care of the normal data relocations. */
struct elfNN_ia64_link_hash_table *ia64_info;
asection *sec;
bfd *dynobj;
- boolean reltext = false;
boolean relplt = false;
dynobj = elf_hash_table(info)->dynobj;
{
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,
- sec->output_section);
- if (outname[4] == 'a')
- outname += 5;
- else
- outname += 4;
-
- target = bfd_get_section_by_name (output_bfd, outname);
- if (target != NULL
- && (target->flags & SEC_READONLY) != 0
- && (target->flags & SEC_ALLOC) != 0)
- reltext = true;
-
/* We use the reloc_count field as a counter if we need to
copy relocs into the output file. */
sec->reloc_count = 0;
sizeof (ElfNN_External_Rela)))
return false;
- if (reltext)
+ if (ia64_info->reltext)
{
if (! bfd_elfNN_add_dynamic_entry (info, DT_TEXTREL, 0))
return false;
case R_IA64_GPREL32MSB:
case R_IA64_FPTR32MSB:
case R_IA64_PCREL32MSB:
+ case R_IA64_LTOFF_FPTR32MSB:
case R_IA64_SEGREL32MSB:
case R_IA64_SECREL32MSB:
case R_IA64_LTV32MSB:
case R_IA64_GPREL32LSB:
case R_IA64_FPTR32LSB:
case R_IA64_PCREL32LSB:
+ case R_IA64_LTOFF_FPTR32LSB:
case R_IA64_SEGREL32LSB:
case R_IA64_SECREL32LSB:
case R_IA64_LTV32LSB:
static int
elfNN_ia64_unwind_entry_compare (a, b)
- PTR a;
- PTR b;
+ const PTR a;
+ const PTR b;
{
bfd_vma av, bv;
/* Install a dynamic relocation for this reloc. */
if ((dynamic_symbol_p || info->shared
|| (elfNN_ia64_aix_vec (info->hash->creator)
- /* We want REL relocation for _GLOB_DATA_PTR, which would
- otherwise be an IMM64, which isn't handled below. The
- symbol comes from the C runtime. */
- && (!h ||
- strcmp (h->root.root.string, "__GLOB_DATA_PTR") != 0)))
+ /* Don't emit relocs for __GLOB_DATA_PTR on AIX. */
+ && (!h || strcmp (h->root.root.string,
+ "__GLOB_DATA_PTR") != 0)))
&& (input_section->flags & SEC_ALLOC) != 0)
{
unsigned int dyn_r_type;
case R_IA64_LTOFF_FPTR22:
case R_IA64_LTOFF_FPTR64I:
+ case R_IA64_LTOFF_FPTR32MSB:
+ case R_IA64_LTOFF_FPTR32LSB:
case R_IA64_LTOFF_FPTR64MSB:
case R_IA64_LTOFF_FPTR64LSB:
{
_bfd_elf_print_private_bfd_data (abfd, ptr);
return true;
}
+
+static enum elf_reloc_type_class
+elfNN_ia64_reloc_type_class (type)
+ int type;
+{
+ switch (type)
+ {
+ case R_IA64_REL32MSB:
+ case R_IA64_REL32LSB:
+ case R_IA64_REL64MSB:
+ case R_IA64_REL64LSB:
+ return reloc_class_relative;
+ case R_IA64_IPLTMSB:
+ case R_IA64_IPLTLSB:
+ return reloc_class_plt;
+ case R_IA64_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
+}
\f
#define TARGET_LITTLE_SYM bfd_elfNN_ia64_little_vec
#define TARGET_LITTLE_NAME "elfNN-ia64-little"
#define elf_backend_want_dynbss 0
#define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect
#define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol
+#define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class
#include "elfNN-target.h"
projects / binutils-gdb.git / blobdiff