typedef unsigned long int insn32;
typedef unsigned short int insn16;
-static bfd_boolean elf32_arm_set_private_flags
- PARAMS ((bfd *, flagword));
-static bfd_boolean elf32_arm_copy_private_bfd_data
- PARAMS ((bfd *, bfd *));
-static bfd_boolean elf32_arm_merge_private_bfd_data
- PARAMS ((bfd *, bfd *));
-static bfd_boolean elf32_arm_print_private_bfd_data
- PARAMS ((bfd *, PTR));
-static int elf32_arm_get_symbol_type
- PARAMS (( Elf_Internal_Sym *, int));
-static struct bfd_link_hash_table *elf32_arm_link_hash_table_create
- PARAMS ((bfd *));
-static bfd_reloc_status_type elf32_arm_final_link_relocate
- PARAMS ((reloc_howto_type *, bfd *, bfd *, asection *, bfd_byte *,
- Elf_Internal_Rela *, bfd_vma, struct bfd_link_info *, asection *,
- const char *, int, struct elf_link_hash_entry *));
-static insn32 insert_thumb_branch
- PARAMS ((insn32, int));
-static struct elf_link_hash_entry *find_thumb_glue
- PARAMS ((struct bfd_link_info *, const char *, bfd *));
-static struct elf_link_hash_entry *find_arm_glue
- PARAMS ((struct bfd_link_info *, const char *, bfd *));
-static void elf32_arm_post_process_headers
- PARAMS ((bfd *, struct bfd_link_info *));
-static int elf32_arm_to_thumb_stub
- PARAMS ((struct bfd_link_info *, const char *, bfd *, bfd *, asection *,
- bfd_byte *, asection *, bfd_vma, bfd_signed_vma, bfd_vma));
-static int elf32_thumb_to_arm_stub
- PARAMS ((struct bfd_link_info *, const char *, bfd *, bfd *, asection *,
- bfd_byte *, asection *, bfd_vma, bfd_signed_vma, bfd_vma));
-static bfd_boolean elf32_arm_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-static asection * elf32_arm_gc_mark_hook
- PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
-static bfd_boolean elf32_arm_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static bfd_boolean elf32_arm_check_relocs
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static bfd_boolean elf32_arm_find_nearest_line
- PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
- const char **, unsigned int *));
-static bfd_boolean elf32_arm_adjust_dynamic_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-static bfd_boolean elf32_arm_size_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-static bfd_boolean elf32_arm_finish_dynamic_symbol
- PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
- Elf_Internal_Sym *));
-static bfd_boolean elf32_arm_finish_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-static struct bfd_hash_entry * elf32_arm_link_hash_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-#if USE_REL
-static void arm_add_to_rel
- PARAMS ((bfd *, bfd_byte *, reloc_howto_type *, bfd_signed_vma));
-#endif
-static bfd_boolean allocate_dynrelocs
- PARAMS ((struct elf_link_hash_entry *h, PTR inf));
-static bfd_boolean create_got_section
- PARAMS ((bfd * dynobj, struct bfd_link_info * info));
-static bfd_boolean elf32_arm_create_dynamic_sections
- PARAMS ((bfd * dynobj, struct bfd_link_info * info));
-static enum elf_reloc_type_class elf32_arm_reloc_type_class
- PARAMS ((const Elf_Internal_Rela *));
-static bfd_boolean elf32_arm_object_p
- PARAMS ((bfd *));
-
-#ifndef ELFARM_NABI_C_INCLUDED
-static void record_arm_to_thumb_glue
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-static void record_thumb_to_arm_glue
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-bfd_boolean bfd_elf32_arm_allocate_interworking_sections
- PARAMS ((struct bfd_link_info *));
-bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
- PARAMS ((bfd *, struct bfd_link_info *));
-bfd_boolean bfd_elf32_arm_process_before_allocation
- PARAMS ((bfd *, struct bfd_link_info *, int));
-#endif
-
-
-#define INTERWORK_FLAG(abfd) (elf_elfheader (abfd)->e_flags & EF_ARM_INTERWORK)
+/* In leiu of proper flags, assume all EABIv3 objects are interworkable. */
+#define INTERWORK_FLAG(abfd) \
+ (EF_ARM_EABI_VERSION (elf_elfheader (abfd)->e_flags) == EF_ARM_EABI_VER3 \
+ || (elf_elfheader (abfd)->e_flags & EF_ARM_INTERWORK))
/* The linker script knows the section names for placement.
The entry_names are used to do simple name mangling on the stubs.
#ifdef FOUR_WORD_PLT
-/* The size in bytes of the special first entry in the procedure
- linkage table. */
-#define PLT_HEADER_SIZE 16
-
-/* The size in bytes of an entry in the procedure linkage table. */
-#define PLT_ENTRY_SIZE 16
-
/* The first entry in a procedure linkage table looks like
this. It is set up so that any shared library function that is
called before the relocation has been set up calls the dynamic
linker first. */
-static const bfd_vma elf32_arm_plt0_entry [PLT_HEADER_SIZE / 4] =
+static const bfd_vma elf32_arm_plt0_entry [] =
{
0xe52de004, /* str lr, [sp, #-4]! */
0xe59fe010, /* ldr lr, [pc, #16] */
/* Subsequent entries in a procedure linkage table look like
this. */
-static const bfd_vma elf32_arm_plt_entry [PLT_ENTRY_SIZE / 4] =
+static const bfd_vma elf32_arm_plt_entry [] =
{
0xe28fc600, /* add ip, pc, #NN */
0xe28cca00, /* add ip, ip, #NN */
#else
-/* The size in bytes of the special first entry in the procedure
- linkage table. */
-#define PLT_HEADER_SIZE 20
-
-/* The size in bytes of an entry in the procedure linkage table. */
-#define PLT_ENTRY_SIZE 12
-
/* The first entry in a procedure linkage table looks like
this. It is set up so that any shared library function that is
called before the relocation has been set up calls the dynamic
linker first. */
-static const bfd_vma elf32_arm_plt0_entry [PLT_HEADER_SIZE / 4] =
+static const bfd_vma elf32_arm_plt0_entry [] =
{
0xe52de004, /* str lr, [sp, #-4]! */
0xe59fe004, /* ldr lr, [pc, #4] */
/* Subsequent entries in a procedure linkage table look like
this. */
-static const bfd_vma elf32_arm_plt_entry [PLT_ENTRY_SIZE / 4] =
+static const bfd_vma elf32_arm_plt_entry [] =
{
0xe28fc600, /* add ip, pc, #0xNN00000 */
0xe28cca00, /* add ip, ip, #0xNN000 */
#endif
+/* The entries in a PLT when using a DLL-based target with multiple
+ address spaces. */
+static const bfd_vma elf32_arm_symbian_plt_entry [] =
+ {
+ 0xe51ff004, /* ldr pr, [pc, #-4] */
+ 0x00000000, /* dcd R_ARM_GLOB_DAT(X) */
+ };
+
+/* Used to build a map of a section. This is required for mixed-endian
+ code/data. */
+
+typedef struct elf32_elf_section_map
+{
+ bfd_vma vma;
+ char type;
+}
+elf32_arm_section_map;
+
+struct _arm_elf_section_data
+{
+ struct bfd_elf_section_data elf;
+ int mapcount;
+ elf32_arm_section_map *map;
+};
+
+#define elf32_arm_section_data(sec) \
+ ((struct _arm_elf_section_data *) elf_section_data (sec))
+
/* The ARM linker needs to keep track of the number of relocs that it
decides to copy in check_relocs for each symbol. This is so that
it can discard PC relative relocs if it doesn't need them when
#define elf32_arm_link_hash_traverse(table, func, info) \
(elf_link_hash_traverse \
(&(table)->root, \
- (bfd_boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
+ (bfd_boolean (*) (struct elf_link_hash_entry *, void *))) (func), \
(info)))
/* Get the ARM elf linker hash table from a link_info structure. */
length should be applied by the linker. */
int no_pipeline_knowledge;
+ /* Nonzero to output a BE8 image. */
+ int byteswap_code;
+
+ /* Zero if R_ARM_TARGET1 means R_ARM_ABS32.
+ Nonzero if R_ARM_TARGET1 means R_ARM_ABS32. */
+ int target1_is_rel;
+
+ /* The number of bytes in the initial entry in the PLT. */
+ bfd_size_type plt_header_size;
+
+ /* The number of bytes in the subsequent PLT etries. */
+ bfd_size_type plt_entry_size;
+
+ /* True if the target system is Symbian OS. */
+ int symbian_p;
+
/* Short-cuts to get to dynamic linker sections. */
asection *sgot;
asection *sgotplt;
/* Create an entry in an ARM ELF linker hash table. */
static struct bfd_hash_entry *
-elf32_arm_link_hash_newfunc (entry, table, string)
- struct bfd_hash_entry * entry;
- struct bfd_hash_table * table;
- const char * string;
+elf32_arm_link_hash_newfunc (struct bfd_hash_entry * entry,
+ struct bfd_hash_table * table,
+ const char * string)
{
struct elf32_arm_link_hash_entry * ret =
(struct elf32_arm_link_hash_entry *) entry;
/* Allocate the structure if it has not already been allocated by a
subclass. */
if (ret == (struct elf32_arm_link_hash_entry *) NULL)
- ret = ((struct elf32_arm_link_hash_entry *)
- bfd_hash_allocate (table,
- sizeof (struct elf32_arm_link_hash_entry)));
- if (ret == (struct elf32_arm_link_hash_entry *) NULL)
+ ret = bfd_hash_allocate (table, sizeof (struct elf32_arm_link_hash_entry));
+ if (ret == NULL)
return (struct bfd_hash_entry *) ret;
/* Call the allocation method of the superclass. */
ret = ((struct elf32_arm_link_hash_entry *)
_bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
table, string));
- if (ret != (struct elf32_arm_link_hash_entry *) NULL)
+ if (ret != NULL)
ret->relocs_copied = NULL;
return (struct bfd_hash_entry *) ret;
shortcuts to them in our hash table. */
static bfd_boolean
-create_got_section (dynobj, info)
- bfd *dynobj;
- struct bfd_link_info *info;
+create_got_section (bfd *dynobj, struct bfd_link_info *info)
{
struct elf32_arm_link_hash_table *htab;
+ htab = elf32_arm_hash_table (info);
+ /* BPABI objects never have a GOT, or associated sections. */
+ if (htab->symbian_p)
+ return TRUE;
+
if (! _bfd_elf_create_got_section (dynobj, info))
return FALSE;
- htab = elf32_arm_hash_table (info);
htab->sgot = bfd_get_section_by_name (dynobj, ".got");
htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
if (!htab->sgot || !htab->sgotplt)
hash table. */
static bfd_boolean
-elf32_arm_create_dynamic_sections (dynobj, info)
- bfd *dynobj;
- struct bfd_link_info *info;
+elf32_arm_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
{
struct elf32_arm_link_hash_table *htab;
if (!info->shared)
htab->srelbss = bfd_get_section_by_name (dynobj, ".rel.bss");
- if (!htab->splt || !htab->srelplt || !htab->sdynbss
+ if (!htab->splt
+ || !htab->srelplt
+ || !htab->sdynbss
|| (!info->shared && !htab->srelbss))
abort ();
/* Create an ARM elf linker hash table. */
static struct bfd_link_hash_table *
-elf32_arm_link_hash_table_create (abfd)
- bfd *abfd;
+elf32_arm_link_hash_table_create (bfd *abfd)
{
struct elf32_arm_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf32_arm_link_hash_table);
- ret = (struct elf32_arm_link_hash_table *) bfd_malloc (amt);
- if (ret == (struct elf32_arm_link_hash_table *) NULL)
+ ret = bfd_malloc (amt);
+ if (ret == NULL)
return NULL;
- if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
+ if (!_bfd_elf_link_hash_table_init (& ret->root, abfd,
elf32_arm_link_hash_newfunc))
{
free (ret);
ret->arm_glue_size = 0;
ret->bfd_of_glue_owner = NULL;
ret->no_pipeline_knowledge = 0;
+ ret->byteswap_code = 0;
+ ret->target1_is_rel = 0;
+#ifdef FOUR_WORD_PLT
+ ret->plt_header_size = 16;
+ ret->plt_entry_size = 16;
+#else
+ ret->plt_header_size = 20;
+ ret->plt_entry_size = 12;
+#endif
+ ret->symbian_p = 0;
ret->sym_sec.abfd = NULL;
return &ret->root.root;
/* Locate the Thumb encoded calling stub for NAME. */
static struct elf_link_hash_entry *
-find_thumb_glue (link_info, name, input_bfd)
- struct bfd_link_info *link_info;
- const char *name;
- bfd *input_bfd;
+find_thumb_glue (struct bfd_link_info *link_info,
+ const char *name,
+ bfd *input_bfd)
{
char *tmp_name;
struct elf_link_hash_entry *hash;
/* We need a pointer to the armelf specific hash table. */
hash_table = elf32_arm_hash_table (link_info);
- tmp_name = (char *) bfd_malloc ((bfd_size_type) strlen (name)
- + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1);
+ tmp_name = bfd_malloc ((bfd_size_type) strlen (name)
+ + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1);
BFD_ASSERT (tmp_name);
if (hash == NULL)
/* xgettext:c-format */
- (*_bfd_error_handler) (_("%s: unable to find THUMB glue '%s' for `%s'"),
- bfd_archive_filename (input_bfd), tmp_name, name);
+ (*_bfd_error_handler) (_("%B: unable to find THUMB glue '%s' for `%s'"),
+ input_bfd, tmp_name, name);
free (tmp_name);
/* Locate the ARM encoded calling stub for NAME. */
static struct elf_link_hash_entry *
-find_arm_glue (link_info, name, input_bfd)
- struct bfd_link_info *link_info;
- const char *name;
- bfd *input_bfd;
+find_arm_glue (struct bfd_link_info *link_info,
+ const char *name,
+ bfd *input_bfd)
{
char *tmp_name;
struct elf_link_hash_entry *myh;
/* We need a pointer to the elfarm specific hash table. */
hash_table = elf32_arm_hash_table (link_info);
- tmp_name = (char *) bfd_malloc ((bfd_size_type) strlen (name)
- + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1);
+ tmp_name = bfd_malloc ((bfd_size_type) strlen (name)
+ + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1);
BFD_ASSERT (tmp_name);
if (myh == NULL)
/* xgettext:c-format */
- (*_bfd_error_handler) (_("%s: unable to find ARM glue '%s' for `%s'"),
- bfd_archive_filename (input_bfd), tmp_name, name);
+ (*_bfd_error_handler) (_("%B: unable to find ARM glue '%s' for `%s'"),
+ input_bfd, tmp_name, name);
free (tmp_name);
#ifndef ELFARM_NABI_C_INCLUDED
bfd_boolean
-bfd_elf32_arm_allocate_interworking_sections (info)
- struct bfd_link_info * info;
+bfd_elf32_arm_allocate_interworking_sections (struct bfd_link_info * info)
{
asection * s;
bfd_byte * foo;
BFD_ASSERT (s != NULL);
- foo = (bfd_byte *) bfd_alloc (globals->bfd_of_glue_owner,
- globals->arm_glue_size);
+ foo = bfd_alloc (globals->bfd_of_glue_owner, globals->arm_glue_size);
- s->_raw_size = s->_cooked_size = globals->arm_glue_size;
+ s->size = globals->arm_glue_size;
s->contents = foo;
}
BFD_ASSERT (s != NULL);
- foo = (bfd_byte *) bfd_alloc (globals->bfd_of_glue_owner,
- globals->thumb_glue_size);
+ foo = bfd_alloc (globals->bfd_of_glue_owner, globals->thumb_glue_size);
- s->_raw_size = s->_cooked_size = globals->thumb_glue_size;
+ s->size = globals->thumb_glue_size;
s->contents = foo;
}
}
static void
-record_arm_to_thumb_glue (link_info, h)
- struct bfd_link_info * link_info;
- struct elf_link_hash_entry * h;
+record_arm_to_thumb_glue (struct bfd_link_info * link_info,
+ struct elf_link_hash_entry * h)
{
const char * name = h->root.root.string;
asection * s;
BFD_ASSERT (s != NULL);
- tmp_name = (char *) bfd_malloc ((bfd_size_type) strlen (name)
- + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1);
+ tmp_name = bfd_malloc ((bfd_size_type) strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1);
BFD_ASSERT (tmp_name);
return;
}
- /* The only trick here is using hash_table->arm_glue_size as the value. Even
- though the section isn't allocated yet, this is where we will be putting
- it. */
+ /* The only trick here is using hash_table->arm_glue_size as the value.
+ Even though the section isn't allocated yet, this is where we will be
+ putting it. */
bh = NULL;
val = globals->arm_glue_size + 1;
_bfd_generic_link_add_one_symbol (link_info, globals->bfd_of_glue_owner,
}
static void
-record_thumb_to_arm_glue (link_info, h)
- struct bfd_link_info *link_info;
- struct elf_link_hash_entry *h;
+record_thumb_to_arm_glue (struct bfd_link_info *link_info,
+ struct elf_link_hash_entry *h)
{
const char *name = h->root.root.string;
asection *s;
BFD_ASSERT (s != NULL);
- tmp_name = (char *) bfd_malloc ((bfd_size_type) strlen (name)
- + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1);
+ tmp_name = bfd_malloc ((bfd_size_type) strlen (name)
+ + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1);
BFD_ASSERT (tmp_name);
#define BACK_FROM_ARM "__%s_back_from_arm"
/* Allocate another symbol to mark where we switch to Arm mode. */
- tmp_name = (char *) bfd_malloc ((bfd_size_type) strlen (name)
- + strlen (CHANGE_TO_ARM) + 1);
+ tmp_name = bfd_malloc ((bfd_size_type) strlen (name)
+ + strlen (CHANGE_TO_ARM) + 1);
BFD_ASSERT (tmp_name);
linker scripts in ld/emultempl/{armelf}.em. */
bfd_boolean
-bfd_elf32_arm_add_glue_sections_to_bfd (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+bfd_elf32_arm_add_glue_sections_to_bfd (bfd *abfd,
+ struct bfd_link_info *info)
{
flagword flags;
asection *sec;
if (sec == NULL)
{
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_CODE | SEC_READONLY;
+ flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_CODE | SEC_READONLY;
sec = bfd_make_section (abfd, THUMB2ARM_GLUE_SECTION_NAME);
{armelf/pe}.em */
bfd_boolean
-bfd_elf32_arm_get_bfd_for_interworking (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+bfd_elf32_arm_get_bfd_for_interworking (bfd *abfd, struct bfd_link_info *info)
{
struct elf32_arm_link_hash_table *globals;
}
bfd_boolean
-bfd_elf32_arm_process_before_allocation (abfd, link_info, no_pipeline_knowledge)
- bfd *abfd;
- struct bfd_link_info *link_info;
- int no_pipeline_knowledge;
+bfd_elf32_arm_process_before_allocation (bfd *abfd,
+ struct bfd_link_info *link_info,
+ int no_pipeline_knowledge,
+ int byteswap_code,
+ int target1_is_rel)
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Rela *internal_relocs = NULL;
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
globals->no_pipeline_knowledge = no_pipeline_knowledge;
+ globals->target1_is_rel = target1_is_rel;
+ if (byteswap_code && !bfd_big_endian (abfd))
+ {
+ _bfd_error_handler (_("%B: BE8 images only valid in big-endian mode."),
+ abfd);
+ return FALSE;
+ }
+ globals->byteswap_code = byteswap_code;
/* Rummage around all the relocs and map the glue vectors. */
sec = abfd->sections;
/* Load the relocs. */
internal_relocs
- = _bfd_elf_link_read_relocs (abfd, sec, (PTR) NULL,
+ = _bfd_elf_link_read_relocs (abfd, sec, (void *) NULL,
(Elf_Internal_Rela *) NULL, FALSE);
if (internal_relocs == NULL)
else
{
/* Go get them off disk. */
- contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
- if (contents == NULL)
- goto error_return;
-
- if (!bfd_get_section_contents (abfd, sec, contents,
- (file_ptr) 0, sec->_raw_size))
+ if (! bfd_malloc_and_get_section (abfd, sec, &contents))
goto error_return;
}
}
#define HI_LOW_ORDER 0xF000F800
static insn32
-insert_thumb_branch (br_insn, rel_off)
- insn32 br_insn;
- int rel_off;
+insert_thumb_branch (insn32 br_insn, int rel_off)
{
unsigned int low_bits;
unsigned int high_bits;
br_insn = HI_LOW_ORDER | (high_bits << 16) | low_bits;
else
/* FIXME: abort is probably not the right call. krk@cygnus.com */
- abort (); /* error - not a valid branch instruction form. */
+ abort (); /* Error - not a valid branch instruction form. */
return br_insn;
}
/* Thumb code calling an ARM function. */
static int
-elf32_thumb_to_arm_stub (info, name, input_bfd, output_bfd, input_section,
- hit_data, sym_sec, offset, addend, val)
- struct bfd_link_info * info;
- const char * name;
- bfd * input_bfd;
- bfd * output_bfd;
- asection * input_section;
- bfd_byte * hit_data;
- asection * sym_sec;
- bfd_vma offset;
- bfd_signed_vma addend;
- bfd_vma val;
+elf32_thumb_to_arm_stub (struct bfd_link_info * info,
+ const char * name,
+ bfd * input_bfd,
+ bfd * output_bfd,
+ asection * input_section,
+ bfd_byte * hit_data,
+ asection * sym_sec,
+ bfd_vma offset,
+ bfd_signed_vma addend,
+ bfd_vma val)
{
asection * s = 0;
bfd_vma my_offset;
&& !INTERWORK_FLAG (sym_sec->owner))
{
(*_bfd_error_handler)
- (_("%s(%s): warning: interworking not enabled."),
- bfd_archive_filename (sym_sec->owner), name);
- (*_bfd_error_handler)
- (_(" first occurrence: %s: thumb call to arm"),
- bfd_archive_filename (input_bfd));
+ (_("%B(%s): warning: interworking not enabled.\n"
+ " first occurrence: %B: thumb call to arm"),
+ sym_sec->owner, input_bfd, name);
return FALSE;
}
/* Address of destination of the stub. */
((bfd_signed_vma) val)
- ((bfd_signed_vma)
- /* Offset from the start of the current section to the start of the stubs. */
+ /* Offset from the start of the current section
+ to the start of the stubs. */
(s->output_offset
/* Offset of the start of this stub from the start of the stubs. */
+ my_offset
/* Address of where the stub is located. */
(s->output_section->vma + s->output_offset + my_offset)
/* Address of where the BL is located. */
- - (input_section->output_section->vma + input_section->output_offset + offset)
+ - (input_section->output_section->vma + input_section->output_offset
+ + offset)
/* Addend in the relocation. */
- addend
/* Biassing for PC-relative addressing. */
/* Arm code calling a Thumb function. */
static int
-elf32_arm_to_thumb_stub (info, name, input_bfd, output_bfd, input_section,
- hit_data, sym_sec, offset, addend, val)
- struct bfd_link_info * info;
- const char * name;
- bfd * input_bfd;
- bfd * output_bfd;
- asection * input_section;
- bfd_byte * hit_data;
- asection * sym_sec;
- bfd_vma offset;
- bfd_signed_vma addend;
- bfd_vma val;
+elf32_arm_to_thumb_stub (struct bfd_link_info * info,
+ const char * name,
+ bfd * input_bfd,
+ bfd * output_bfd,
+ asection * input_section,
+ bfd_byte * hit_data,
+ asection * sym_sec,
+ bfd_vma offset,
+ bfd_signed_vma addend,
+ bfd_vma val)
{
unsigned long int tmp;
bfd_vma my_offset;
&& !INTERWORK_FLAG (sym_sec->owner))
{
(*_bfd_error_handler)
- (_("%s(%s): warning: interworking not enabled."),
- bfd_archive_filename (sym_sec->owner), name);
- (*_bfd_error_handler)
- (_(" first occurrence: %s: arm call to thumb"),
- bfd_archive_filename (input_bfd));
+ (_("%B(%s): warning: interworking not enabled.\n"
+ " first occurrence: %B: arm call to thumb"),
+ sym_sec->owner, input_bfd, name);
}
--my_offset;
/* Perform a relocation as part of a final link. */
static bfd_reloc_status_type
-elf32_arm_final_link_relocate (howto, input_bfd, output_bfd,
- input_section, contents, rel, value,
- info, sym_sec, sym_name, sym_flags, h)
- reloc_howto_type * howto;
- bfd * input_bfd;
- bfd * output_bfd;
- asection * input_section;
- bfd_byte * contents;
- Elf_Internal_Rela * rel;
- bfd_vma value;
- struct bfd_link_info * info;
- asection * sym_sec;
- const char * sym_name;
- int sym_flags;
- struct elf_link_hash_entry * h;
+elf32_arm_final_link_relocate (reloc_howto_type * howto,
+ bfd * input_bfd,
+ bfd * output_bfd,
+ asection * input_section,
+ bfd_byte * contents,
+ Elf_Internal_Rela * rel,
+ bfd_vma value,
+ struct bfd_link_info * info,
+ asection * sym_sec,
+ const char * sym_name,
+ int sym_flags,
+ struct elf_link_hash_entry * h)
{
unsigned long r_type = howto->type;
unsigned long r_symndx;
bfd_signed_vma signed_addend;
struct elf32_arm_link_hash_table * globals;
+ globals = elf32_arm_hash_table (info);
+
+#ifndef OLD_ARM_ABI
+ /* Some relocation type map to different relocations depending on the
+ target. We pick the right one here. */
+ if (r_type == R_ARM_TARGET1)
+ {
+ if (globals->target1_is_rel)
+ r_type = R_ARM_REL32;
+ else
+ r_type = R_ARM_ABS32;
+
+ howto = &elf32_arm_howto_table[r_type];
+ }
+#endif /* OLD_ARM_ABI */
+
/* If the start address has been set, then set the EF_ARM_HASENTRY
flag. Setting this more than once is redundant, but the cost is
not too high, and it keeps the code simple.
if (bfd_get_start_address (output_bfd) != 0)
elf_elfheader (output_bfd)->e_flags |= EF_ARM_HASENTRY;
- globals = elf32_arm_hash_table (info);
-
dynobj = elf_hash_table (info)->dynobj;
if (dynobj)
{
into the output file to be resolved at run time. */
if (info->shared
&& (input_section->flags & SEC_ALLOC)
+ && (r_type != R_ARM_REL32
+ || !SYMBOL_CALLS_LOCAL (info, h))
&& (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type != bfd_link_hash_undefweak)
&& h->dynindx != -1
&& (!info->shared
|| !info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ || !h->def_regular))
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
else
{
/* FIXME: Should we translate the instruction into a BL
instruction instead ? */
if (sym_flags != STT_ARM_TFUNC)
- (*_bfd_error_handler) (_("\
-%s: Warning: Arm BLX instruction targets Arm function '%s'."),
- bfd_archive_filename (input_bfd),
- h ? h->root.root.string : "(local)");
+ (*_bfd_error_handler)
+ (_("\%B: Warning: Arm BLX instruction targets Arm function '%s'."),
+ input_bfd,
+ h ? h->root.root.string : "(local)");
}
else
#endif
/* Check for Arm calling Thumb function. */
if (sym_flags == STT_ARM_TFUNC)
{
- elf32_arm_to_thumb_stub (info, sym_name, input_bfd, output_bfd,
- input_section, hit_data, sym_sec, rel->r_offset,
+ elf32_arm_to_thumb_stub (info, sym_name, input_bfd,
+ output_bfd, input_section,
+ hit_data, sym_sec, rel->r_offset,
signed_addend, value);
return bfd_reloc_ok;
}
A is the addend (extracted from the instruction) in bytes.
S is held in 'value'.
- P is the base address of the section containing the instruction
- plus the offset of the reloc into that section, ie:
+ P is the base address of the section containing the
+ instruction plus the offset of the reloc into that
+ section, ie:
(input_section->output_section->vma +
input_section->output_offset +
rel->r_offset).
(signed_addend * 4)
Note: None of these operations have knowledge of the pipeline
- size of the processor, thus it is up to the assembler to encode
- this information into the addend. */
+ size of the processor, thus it is up to the assembler to
+ encode this information into the addend. */
value -= (input_section->output_section->vma
+ input_section->output_offset);
value -= rel->r_offset;
value += (signed_addend << howto->size);
- /* Previous versions of this code also used to add in the pipeline
- offset here. This is wrong because the linker is not supposed
- to know about such things, and one day it might change. In order
- to support old binaries that need the old behaviour however, so
- we attempt to detect which ABI was used to create the reloc. */
+ /* Previous versions of this code also used to add in the
+ pipeline offset here. This is wrong because the linker is
+ not supposed to know about such things, and one day it might
+ change. In order to support old binaries that need the old
+ behaviour however, so we attempt to detect which ABI was
+ used to create the reloc. */
if (! globals->no_pipeline_knowledge)
{
Elf_Internal_Ehdr * i_ehdrp; /* Elf file header, internal form */
/* FIXME: Should we translate the instruction into a BL
instruction instead ? */
if (sym_flags == STT_ARM_TFUNC)
- (*_bfd_error_handler) (_("\
-%s: Warning: Thumb BLX instruction targets thumb function '%s'."),
- bfd_archive_filename (input_bfd),
- h ? h->root.root.string : "(local)");
+ (*_bfd_error_handler)
+ (_("%B: Warning: Thumb BLX instruction targets thumb function '%s'."),
+ input_bfd,
+ h ? h->root.root.string : "(local)");
}
else
#endif
return bfd_reloc_ok;
}
+#ifndef OLD_ARM_ABI
case R_ARM_ALU_PCREL7_0:
case R_ARM_ALU_PCREL15_8:
case R_ARM_ALU_PCREL23_15:
bfd_put_32 (input_bfd, value, hit_data);
}
return bfd_reloc_ok;
+#endif
case R_ARM_GNU_VTINHERIT:
case R_ARM_GNU_VTENTRY:
#if USE_REL
/* Add INCREMENT to the reloc (of type HOWTO) at ADDRESS. */
static void
-arm_add_to_rel (abfd, address, howto, increment)
- bfd * abfd;
- bfd_byte * address;
- reloc_howto_type * howto;
- bfd_signed_vma increment;
+arm_add_to_rel (bfd * abfd,
+ bfd_byte * address,
+ reloc_howto_type * howto,
+ bfd_signed_vma increment)
{
bfd_signed_vma addend;
/* Relocate an ARM ELF section. */
static bfd_boolean
-elf32_arm_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;
+elf32_arm_relocate_section (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;
if (howto->rightshift)
{
(*_bfd_error_handler)
- (_("%s(%s+0x%lx): %s relocation against SEC_MERGE section"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
+ (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
+ input_bfd, input_section,
(long) rel->r_offset, howto->name);
return FALSE;
}
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
unresolved_reloc, warned);
-
+
if (unresolved_reloc || relocation != 0)
{
/* In these cases, we don't need the relocation value.
case R_ARM_PC24:
case R_ARM_ABS32:
case R_ARM_THM_PC22:
+ case R_ARM_PLT32:
+
if (info->shared
- && (
- (!info->symbolic && h->dynindx != -1)
- || (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0
- )
+ && ((!info->symbolic && h->dynindx != -1)
+ || !h->def_regular)
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
&& ((input_section->flags & SEC_ALLOC) != 0
/* DWARF will emit R_ARM_ABS32 relocations in its
in shared libraries. We can't do anything
with them here. */
|| ((input_section->flags & SEC_DEBUGGING) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
+ && h->def_dynamic))
)
relocation = 0;
break;
info->shared, h))
&& (!info->shared
|| (!info->symbolic && h->dynindx != -1)
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
- relocation = 0;
- break;
-
- case R_ARM_PLT32:
- if (h->plt.offset != (bfd_vma)-1)
+ || !h->def_regular))
relocation = 0;
break;
default:
if (unresolved_reloc)
_bfd_error_handler
- (_("%s: warning: unresolvable relocation %d against symbol `%s' from %s section"),
- bfd_archive_filename (input_bfd),
+ (_("%B(%A): warning: unresolvable relocation %d against symbol `%s'"),
+ input_bfd, input_section,
r_type,
- h->root.root.string,
- bfd_get_section_name (input_bfd, input_section));
+ h->root.root.string);
break;
}
}
/* Set the right machine number. */
static bfd_boolean
-elf32_arm_object_p (abfd)
- bfd *abfd;
+elf32_arm_object_p (bfd *abfd)
{
unsigned int mach;
-
+
mach = bfd_arm_get_mach_from_notes (abfd, ARM_NOTE_SECTION);
if (mach != bfd_mach_arm_unknown)
/* Function to keep ARM specific flags in the ELF header. */
static bfd_boolean
-elf32_arm_set_private_flags (abfd, flags)
- bfd *abfd;
- flagword flags;
+elf32_arm_set_private_flags (bfd *abfd, flagword flags)
{
if (elf_flags_init (abfd)
&& elf_elfheader (abfd)->e_flags != flags)
if (EF_ARM_EABI_VERSION (flags) == EF_ARM_EABI_UNKNOWN)
{
if (flags & EF_ARM_INTERWORK)
- (*_bfd_error_handler) (_("\
-Warning: Not setting interworking flag of %s since it has already been specified as non-interworking"),
- bfd_archive_filename (abfd));
+ (*_bfd_error_handler)
+ (_("Warning: Not setting interworking flag of %B since it has already been specified as non-interworking"),
+ abfd);
else
- _bfd_error_handler (_("\
-Warning: Clearing the interworking flag of %s due to outside request"),
- bfd_archive_filename (abfd));
+ _bfd_error_handler
+ (_("Warning: Clearing the interworking flag of %B due to outside request"),
+ abfd);
}
}
else
/* Copy backend specific data from one object module to another. */
static bfd_boolean
-elf32_arm_copy_private_bfd_data (ibfd, obfd)
- bfd *ibfd;
- bfd *obfd;
+elf32_arm_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
{
flagword in_flags;
flagword out_flags;
if ((in_flags & EF_ARM_INTERWORK) != (out_flags & EF_ARM_INTERWORK))
{
if (out_flags & EF_ARM_INTERWORK)
- _bfd_error_handler (_("\
-Warning: Clearing the interworking flag of %s because non-interworking code in %s has been linked with it"),
- bfd_get_filename (obfd),
- bfd_archive_filename (ibfd));
+ _bfd_error_handler
+ (_("Warning: Clearing the interworking flag of %B because non-interworking code in %B has been linked with it"),
+ obfd, ibfd);
in_flags &= ~EF_ARM_INTERWORK;
}
object file when linking. */
static bfd_boolean
-elf32_arm_merge_private_bfd_data (ibfd, obfd)
- bfd * ibfd;
- bfd * obfd;
+elf32_arm_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
{
flagword out_flags;
flagword in_flags;
/* Complain about various flag mismatches. */
if (EF_ARM_EABI_VERSION (in_flags) != EF_ARM_EABI_VERSION (out_flags))
{
- _bfd_error_handler (_("\
-ERROR: %s is compiled for EABI version %d, whereas %s is compiled for version %d"),
- bfd_archive_filename (ibfd),
- (in_flags & EF_ARM_EABIMASK) >> 24,
- bfd_get_filename (obfd),
- (out_flags & EF_ARM_EABIMASK) >> 24);
+ _bfd_error_handler
+ (_("ERROR: %B is compiled for EABI version %d, whereas %B is compiled for version %d"),
+ ibfd, obfd,
+ (in_flags & EF_ARM_EABIMASK) >> 24,
+ (out_flags & EF_ARM_EABIMASK) >> 24);
return FALSE;
}
{
if ((in_flags & EF_ARM_APCS_26) != (out_flags & EF_ARM_APCS_26))
{
- _bfd_error_handler (_("\
-ERROR: %s is compiled for APCS-%d, whereas target %s uses APCS-%d"),
- bfd_archive_filename (ibfd),
- in_flags & EF_ARM_APCS_26 ? 26 : 32,
- bfd_get_filename (obfd),
- out_flags & EF_ARM_APCS_26 ? 26 : 32);
+ _bfd_error_handler
+ (_("ERROR: %B is compiled for APCS-%d, whereas target %B uses APCS-%d"),
+ ibfd, obfd,
+ in_flags & EF_ARM_APCS_26 ? 26 : 32,
+ out_flags & EF_ARM_APCS_26 ? 26 : 32);
flags_compatible = FALSE;
}
if ((in_flags & EF_ARM_APCS_FLOAT) != (out_flags & EF_ARM_APCS_FLOAT))
{
if (in_flags & EF_ARM_APCS_FLOAT)
- _bfd_error_handler (_("\
-ERROR: %s passes floats in float registers, whereas %s passes them in integer registers"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("ERROR: %B passes floats in float registers, whereas %B passes them in integer registers"),
+ ibfd, obfd);
else
- _bfd_error_handler (_("\
-ERROR: %s passes floats in integer registers, whereas %s passes them in float registers"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("ERROR: %B passes floats in integer registers, whereas %B passes them in float registers"),
+ ibfd, obfd);
flags_compatible = FALSE;
}
if ((in_flags & EF_ARM_VFP_FLOAT) != (out_flags & EF_ARM_VFP_FLOAT))
{
if (in_flags & EF_ARM_VFP_FLOAT)
- _bfd_error_handler (_("\
-ERROR: %s uses VFP instructions, whereas %s does not"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("ERROR: %B uses VFP instructions, whereas %B does not"),
+ ibfd, obfd);
else
- _bfd_error_handler (_("\
-ERROR: %s uses FPA instructions, whereas %s does not"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("ERROR: %B uses FPA instructions, whereas %B does not"),
+ ibfd, obfd);
flags_compatible = FALSE;
}
if ((in_flags & EF_ARM_MAVERICK_FLOAT) != (out_flags & EF_ARM_MAVERICK_FLOAT))
{
if (in_flags & EF_ARM_MAVERICK_FLOAT)
- _bfd_error_handler (_("\
-ERROR: %s uses Maverick instructions, whereas %s does not"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("ERROR: %B uses Maverick instructions, whereas %B does not"),
+ ibfd, obfd);
else
- _bfd_error_handler (_("\
-ERROR: %s does not use Maverick instructions, whereas %s does"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("ERROR: %B does not use Maverick instructions, whereas %B does"),
+ ibfd, obfd);
flags_compatible = FALSE;
}
|| (in_flags & EF_ARM_VFP_FLOAT) == 0)
{
if (in_flags & EF_ARM_SOFT_FLOAT)
- _bfd_error_handler (_("\
-ERROR: %s uses software FP, whereas %s uses hardware FP"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("ERROR: %B uses software FP, whereas %B uses hardware FP"),
+ ibfd, obfd);
else
- _bfd_error_handler (_("\
-ERROR: %s uses hardware FP, whereas %s uses software FP"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("ERROR: %B uses hardware FP, whereas %B uses software FP"),
+ ibfd, obfd);
flags_compatible = FALSE;
}
{
if (in_flags & EF_ARM_INTERWORK)
{
- _bfd_error_handler (_("\
-Warning: %s supports interworking, whereas %s does not"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("Warning: %B supports interworking, whereas %B does not"),
+ ibfd, obfd);
}
else
{
- _bfd_error_handler (_("\
-Warning: %s does not support interworking, whereas %s does"),
- bfd_archive_filename (ibfd),
- bfd_get_filename (obfd));
+ _bfd_error_handler
+ (_("Warning: %B does not support interworking, whereas %B does"),
+ ibfd, obfd);
}
}
}
/* Display the flags field. */
static bfd_boolean
-elf32_arm_print_private_bfd_data (abfd, ptr)
- bfd *abfd;
- PTR ptr;
+elf32_arm_print_private_bfd_data (bfd *abfd, void * ptr)
{
FILE * file = (FILE *) ptr;
unsigned long flags;
}
static int
-elf32_arm_get_symbol_type (elf_sym, type)
- Elf_Internal_Sym * elf_sym;
- int type;
+elf32_arm_get_symbol_type (Elf_Internal_Sym * elf_sym, int type)
{
switch (ELF_ST_TYPE (elf_sym->st_info))
{
}
static asection *
-elf32_arm_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;
+elf32_arm_gc_mark_hook (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)
{
/* Update the got entry reference counts for the section being removed. */
static bfd_boolean
-elf32_arm_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;
+elf32_arm_gc_sweep_hook (bfd * abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info * info ATTRIBUTE_UNUSED,
+ asection * sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED)
{
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
case R_ARM_ABS32:
case R_ARM_REL32:
+#ifndef OLD_ARM_ABI
+ case R_ARM_TARGET1:
+#endif
case R_ARM_PC24:
case R_ARM_PLT32:
r_symndx = ELF32_R_SYM (rel->r_info);
h->plt.refcount -= 1;
if (ELF32_R_TYPE (rel->r_info) == R_ARM_ABS32
+#ifndef OLD_ARM_ABI
+ || ELF32_R_TYPE (rel->r_info) == R_ARM_TARGET1
+#endif
|| ELF32_R_TYPE (rel->r_info) == R_ARM_REL32)
{
eh = (struct elf32_arm_link_hash_entry *) h;
/* Look through the relocs for a section during the first phase. */
static bfd_boolean
-elf32_arm_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+elf32_arm_check_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;
bfd_size_type size;
size = symtab_hdr->sh_info;
- size *= (sizeof (bfd_signed_vma) + sizeof(char));
- local_got_refcounts = ((bfd_signed_vma *)
- bfd_zalloc (abfd, size));
+ size *= (sizeof (bfd_signed_vma) + sizeof (char));
+ local_got_refcounts = bfd_zalloc (abfd, size);
if (local_got_refcounts == NULL)
return FALSE;
elf_local_got_refcounts (abfd) = local_got_refcounts;
case R_ARM_ABS32:
case R_ARM_REL32:
+#ifndef OLD_ARM_ABI
+ case R_ARM_TARGET1:
+#endif
case R_ARM_PC24:
case R_ARM_PLT32:
if (h != NULL)
Tentatively set the flag for now, and correct in
adjust_dynamic_symbol. */
if (!info->shared)
- h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 1;
/* We may need a .plt entry if the function this reloc
refers to is in a different object. We can't tell for
symbol local. */
if (ELF32_R_TYPE (rel->r_info) == R_ARM_PC24
|| ELF32_R_TYPE (rel->r_info) == R_ARM_PLT32)
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 1;
/* If we create a PLT entry, this relocation will reference
it, even if it's an ABS32 relocation. */
if (info->shared
&& (sec->flags & SEC_ALLOC) != 0
&& ((ELF32_R_TYPE (rel->r_info) != R_ARM_PC24
- && ELF32_R_TYPE (rel->r_info) != R_ARM_PLT32)
+ && ELF32_R_TYPE (rel->r_info) != R_ARM_PLT32
+#ifndef OLD_ARM_ABI
+ && ELF32_R_TYPE (rel->r_info) != R_ARM_TARGET1
+#endif
+ && ELF32_R_TYPE (rel->r_info) != R_ARM_REL32)
|| (h != NULL
&& (! info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+ || !h->def_regular))))
{
struct elf32_arm_relocs_copied *p, **head;
sreloc = bfd_make_section (dynobj, name);
flags = (SEC_HAS_CONTENTS | SEC_READONLY
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
- if ((sec->flags & SEC_ALLOC) != 0)
+ if ((sec->flags & SEC_ALLOC) != 0
+ /* BPABI objects never have dynamic
+ relocations mapped. */
+ && !htab->symbian_p)
flags |= SEC_ALLOC | SEC_LOAD;
if (sreloc == NULL
|| ! bfd_set_section_flags (dynobj, sreloc, flags)
/* Track dynamic relocs needed for local syms too.
We really need local syms available to do this
easily. Oh well. */
-
+
asection *s;
s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
sec, r_symndx);
if (s == NULL)
return FALSE;
-
+
head = ((struct elf32_arm_relocs_copied **)
&elf_section_data (s)->local_dynrel);
}
-
+
p = *head;
if (p == NULL || p->section != sec)
{
bfd_size_type amt = sizeof *p;
+
p = bfd_alloc (htab->root.dynobj, amt);
if (p == NULL)
return FALSE;
p->section = sec;
p->count = 0;
}
-
+
if (ELF32_R_TYPE (rel->r_info) == R_ARM_ABS32
+#ifndef OLD_ARM_ABI
+ || ELF32_R_TYPE (rel->r_info) == R_ARM_TARGET1
+#endif
|| ELF32_R_TYPE (rel->r_info) == R_ARM_REL32)
p->count += 1;
}
return TRUE;
}
-/* Find the nearest line to a particular section and offset, for error
- reporting. This code is a duplicate of the code in elf.c, except
- that it also accepts STT_ARM_TFUNC as a symbol that names a function. */
-
static bfd_boolean
-elf32_arm_find_nearest_line
- (abfd, section, symbols, offset, filename_ptr, functionname_ptr, line_ptr)
- bfd *abfd;
- asection *section;
- asymbol **symbols;
- bfd_vma offset;
- const char **filename_ptr;
- const char **functionname_ptr;
- unsigned int *line_ptr;
+is_arm_mapping_symbol_name (const char * name)
{
- bfd_boolean found;
- const char *filename;
- asymbol *func;
- bfd_vma low_func;
- asymbol **p;
-
- if (_bfd_dwarf2_find_nearest_line (abfd, section, symbols, offset,
- filename_ptr, functionname_ptr,
- line_ptr, 0,
- &elf_tdata (abfd)->dwarf2_find_line_info))
- return TRUE;
-
- if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset,
- &found, filename_ptr,
- functionname_ptr, line_ptr,
- &elf_tdata (abfd)->line_info))
- return FALSE;
+ return (name != NULL)
+ && (name[0] == '$')
+ && ((name[1] == 'a') || (name[1] == 't') || (name[1] == 'd'))
+ && (name[2] == 0);
+}
- if (found)
- return TRUE;
+/* This is a copy of elf_find_function() from elf.c except that
+ ARM mapping symbols are ignored when looking for function names
+ and STT_ARM_TFUNC is considered to a function type. */
- if (symbols == NULL)
- return FALSE;
-
- filename = NULL;
- func = NULL;
- low_func = 0;
+static bfd_boolean
+arm_elf_find_function (bfd * abfd ATTRIBUTE_UNUSED,
+ asection * section,
+ asymbol ** symbols,
+ bfd_vma offset,
+ const char ** filename_ptr,
+ const char ** functionname_ptr)
+{
+ const char * filename = NULL;
+ asymbol * func = NULL;
+ bfd_vma low_func = 0;
+ asymbol ** p;
for (p = symbols; *p != NULL; p++)
{
case STT_FILE:
filename = bfd_asymbol_name (&q->symbol);
break;
- case STT_NOTYPE:
case STT_FUNC:
case STT_ARM_TFUNC:
+ /* Skip $a and $t symbols. */
+ if ((q->symbol.flags & BSF_LOCAL)
+ && is_arm_mapping_symbol_name (q->symbol.name))
+ continue;
+ /* Fall through. */
+ case STT_NOTYPE:
if (q->symbol.section == section
&& q->symbol.value >= low_func
&& q->symbol.value <= offset)
if (func == NULL)
return FALSE;
- *filename_ptr = filename;
- *functionname_ptr = bfd_asymbol_name (func);
- *line_ptr = 0;
+ if (filename_ptr)
+ *filename_ptr = filename;
+ if (functionname_ptr)
+ *functionname_ptr = bfd_asymbol_name (func);
+
+ return TRUE;
+}
+
+
+/* Find the nearest line to a particular section and offset, for error
+ reporting. This code is a duplicate of the code in elf.c, except
+ that it uses arm_elf_find_function. */
+
+static bfd_boolean
+elf32_arm_find_nearest_line (bfd * abfd,
+ asection * section,
+ asymbol ** symbols,
+ bfd_vma offset,
+ const char ** filename_ptr,
+ const char ** functionname_ptr,
+ unsigned int * line_ptr)
+{
+ bfd_boolean found = FALSE;
+
+ /* We skip _bfd_dwarf1_find_nearest_line since no known ARM toolchain uses it. */
+
+ if (_bfd_dwarf2_find_nearest_line (abfd, section, symbols, offset,
+ filename_ptr, functionname_ptr,
+ line_ptr, 0,
+ & elf_tdata (abfd)->dwarf2_find_line_info))
+ {
+ if (!*functionname_ptr)
+ arm_elf_find_function (abfd, section, symbols, offset,
+ *filename_ptr ? NULL : filename_ptr,
+ functionname_ptr);
+
+ return TRUE;
+ }
+
+ if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset,
+ & found, filename_ptr,
+ functionname_ptr, line_ptr,
+ & elf_tdata (abfd)->line_info))
+ return FALSE;
+ if (found && (*functionname_ptr || *line_ptr))
+ return TRUE;
+
+ if (symbols == NULL)
+ return FALSE;
+
+ if (! arm_elf_find_function (abfd, section, symbols, offset,
+ filename_ptr, functionname_ptr))
+ return FALSE;
+
+ *line_ptr = 0;
return TRUE;
}
understand. */
static bfd_boolean
-elf32_arm_adjust_dynamic_symbol (info, h)
- struct bfd_link_info * info;
- struct elf_link_hash_entry * h;
+elf32_arm_adjust_dynamic_symbol (struct bfd_link_info * info,
+ struct elf_link_hash_entry * h)
{
bfd * dynobj;
asection * s;
/* Make sure we know what is going on here. */
BFD_ASSERT (dynobj != NULL
- && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
+ && (h->needs_plt
|| h->weakdef != NULL
- || ((h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_REF_REGULAR) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)));
+ || (h->def_dynamic
+ && h->ref_regular
+ && !h->def_regular)));
/* If this is a function, put it in the procedure linkage table. We
will fill in the contents of the procedure linkage table later,
when we know the address of the .got section. */
if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ || h->needs_plt)
{
if (h->plt.refcount <= 0
|| SYMBOL_CALLS_LOCAL (info, h)
such a case, we don't actually need to build a procedure
linkage table, and we can just do a PC24 reloc instead. */
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
return TRUE;
srel = bfd_get_section_by_name (dynobj, ".rel.bss");
BFD_ASSERT (srel != NULL);
- srel->_raw_size += sizeof (Elf32_External_Rel);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ srel->size += sizeof (Elf32_External_Rel);
+ h->needs_copy = 1;
}
/* We need to figure out the alignment required for this symbol. I
power_of_two = 3;
/* Apply the required alignment. */
- s->_raw_size = BFD_ALIGN (s->_raw_size,
- (bfd_size_type) (1 << power_of_two));
+ s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
if (power_of_two > bfd_get_section_alignment (dynobj, s))
{
if (! bfd_set_section_alignment (dynobj, s, power_of_two))
/* Define the symbol as being at this point in the section. */
h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
+ h->root.u.def.value = s->size;
/* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
+ s->size += h->size;
return TRUE;
}
dynamic relocs. */
static bfd_boolean
-allocate_dynrelocs (h, inf)
- struct elf_link_hash_entry *h;
- PTR inf;
+allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
{
struct bfd_link_info *info;
struct elf32_arm_link_hash_table *htab;
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
/* If this is the first .plt entry, make room for the special
first entry. */
- if (s->_raw_size == 0)
- s->_raw_size += PLT_HEADER_SIZE;
+ if (s->size == 0)
+ s->size += htab->plt_header_size;
- h->plt.offset = s->_raw_size;
+ h->plt.offset = s->size;
/* If this symbol is not defined in a regular file, and we are
not generating a shared library, then set the symbol to this
pointers compare as equal between the normal executable and
the shared library. */
if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ && !h->def_regular)
{
h->root.u.def.section = s;
h->root.u.def.value = h->plt.offset;
}
/* Make room for this entry. */
- s->_raw_size += PLT_ENTRY_SIZE;
+ s->size += htab->plt_entry_size;
- /* We also need to make an entry in the .got.plt section, which
- will be placed in the .got section by the linker script. */
- htab->sgotplt->_raw_size += 4;
+ if (!htab->symbian_p)
+ /* We also need to make an entry in the .got.plt section, which
+ will be placed in the .got section by the linker script. */
+ htab->sgotplt->size += 4;
/* We also need to make an entry in the .rel.plt section. */
- htab->srelplt->_raw_size += sizeof (Elf32_External_Rel);
+ htab->srelplt->size += sizeof (Elf32_External_Rel);
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
if (h->got.refcount > 0)
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
- s = htab->sgot;
- h->got.offset = s->_raw_size;
- s->_raw_size += 4;
- dyn = htab->root.dynamic_sections_created;
- if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak)
- && (info->shared
- || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
- htab->srelgot->_raw_size += sizeof (Elf32_External_Rel);
+ if (!htab->symbian_p)
+ {
+ s = htab->sgot;
+ h->got.offset = s->size;
+ s->size += 4;
+ dyn = htab->root.dynamic_sections_created;
+ if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak)
+ && (info->shared
+ || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
+ htab->srelgot->size += sizeof (Elf32_External_Rel);
+ }
}
else
h->got.offset = (bfd_vma) -1;
symbols which turn out to need copy relocs or are not
dynamic. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
|| (htab->root.dynamic_sections_created
&& (h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_undefined))))
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ && !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
for (p = eh->relocs_copied; p != NULL; p = p->next)
{
asection *sreloc = elf_section_data (p->section)->sreloc;
- sreloc->_raw_size += p->count * sizeof (Elf32_External_Rel);
+ sreloc->size += p->count * sizeof (Elf32_External_Rel);
}
return TRUE;
/* Set the sizes of the dynamic sections. */
static bfd_boolean
-elf32_arm_size_dynamic_sections (output_bfd, info)
- bfd * output_bfd ATTRIBUTE_UNUSED;
- struct bfd_link_info * info;
+elf32_arm_size_dynamic_sections (bfd * output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info * info)
{
bfd * dynobj;
asection * s;
{
s = bfd_get_section_by_name (dynobj, ".interp");
BFD_ASSERT (s != NULL);
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
}
else if (p->count != 0)
{
srel = elf_section_data (p->section)->sreloc;
- srel->_raw_size += p->count * sizeof (Elf32_External_Rel);
+ srel->size += p->count * sizeof (Elf32_External_Rel);
if ((p->section->output_section->flags & SEC_READONLY) != 0)
info->flags |= DF_TEXTREL;
}
{
if (*local_got > 0)
{
- *local_got = s->_raw_size;
- s->_raw_size += 4;
+ *local_got = s->size;
+ s->size += 4;
if (info->shared)
- srel->_raw_size += sizeof (Elf32_External_Rel);
+ srel->size += sizeof (Elf32_External_Rel);
}
else
*local_got = (bfd_vma) -1;
/* Allocate global sym .plt and .got entries, and space for global
sym dynamic relocs. */
- elf_link_hash_traverse (&htab->root, allocate_dynrelocs, (PTR) info);
+ elf_link_hash_traverse (& htab->root, allocate_dynrelocs, info);
/* The check_relocs and adjust_dynamic_symbol entry points have
determined the sizes of the various dynamic sections. Allocate
if (strcmp (name, ".plt") == 0)
{
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
/* Strip this section if we don't need it; see the
comment below. */
}
else if (strncmp (name, ".rel", 4) == 0)
{
- if (s->_raw_size == 0)
+ if (s->size == 0)
{
/* If we don't need this section, strip it from the
output file. This is mostly to handle .rel.bss and
}
/* Allocate memory for the section contents. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
- if (s->contents == NULL && s->_raw_size != 0)
+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
+ if (s->contents == NULL && s->size != 0)
return FALSE;
}
dynamic sections here. */
static bfd_boolean
-elf32_arm_finish_dynamic_symbol (output_bfd, info, h, sym)
- bfd * output_bfd;
- struct bfd_link_info * info;
- struct elf_link_hash_entry * h;
- Elf_Internal_Sym * sym;
+elf32_arm_finish_dynamic_symbol (bfd * output_bfd, struct bfd_link_info * info,
+ struct elf_link_hash_entry * h, Elf_Internal_Sym * sym)
{
bfd * dynobj;
+ struct elf32_arm_link_hash_table *htab;
dynobj = elf_hash_table (info)->dynobj;
+ htab = elf32_arm_hash_table (info);
if (h->plt.offset != (bfd_vma) -1)
{
asection * splt;
- asection * sgot;
asection * srel;
+ bfd_byte *loc;
bfd_vma plt_index;
- bfd_vma got_offset;
Elf_Internal_Rela rel;
- bfd_byte *loc;
- bfd_vma got_displacement;
/* This symbol has an entry in the procedure linkage table. Set
it up. */
BFD_ASSERT (h->dynindx != -1);
splt = bfd_get_section_by_name (dynobj, ".plt");
- sgot = bfd_get_section_by_name (dynobj, ".got.plt");
srel = bfd_get_section_by_name (dynobj, ".rel.plt");
- BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
+ BFD_ASSERT (splt != NULL && srel != NULL);
/* Get the index in the procedure linkage table which
corresponds to this symbol. This is the index of this symbol
in all the symbols for which we are making plt entries. The
first entry in the procedure linkage table is reserved. */
- plt_index = (h->plt.offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
+ plt_index = ((h->plt.offset - htab->plt_header_size)
+ / htab->plt_entry_size);
- /* Get the offset into the .got table of the entry that
- corresponds to this function. Each .got entry is 4 bytes.
- The first three are reserved. */
- got_offset = (plt_index + 3) * 4;
+ /* Fill in the entry in the procedure linkage table. */
+ if (htab->symbian_p)
+ {
+ unsigned i;
+ for (i = 0; i < htab->plt_entry_size / 4; ++i)
+ bfd_put_32 (output_bfd,
+ elf32_arm_symbian_plt_entry[i],
+ splt->contents + h->plt.offset + 4 * i);
+
+ /* Fill in the entry in the .rel.plt section. */
+ rel.r_offset = (splt->output_offset
+ + h->plt.offset + 4 * (i - 1));
+ rel.r_info = ELF32_R_INFO (h->dynindx, R_ARM_GLOB_DAT);
+ }
+ else
+ {
+ bfd_vma got_offset;
+ bfd_vma got_displacement;
+ asection * sgot;
+
+ sgot = bfd_get_section_by_name (dynobj, ".got.plt");
+ BFD_ASSERT (sgot != NULL);
- /* Calculate the displacement between the PLT slot and the
- entry in the GOT. */
- got_displacement = (sgot->output_section->vma
- + sgot->output_offset
- + got_offset
- - splt->output_section->vma
- - splt->output_offset
- - h->plt.offset
- - 8);
+ /* Get the offset into the .got table of the entry that
+ corresponds to this function. Each .got entry is 4 bytes.
+ The first three are reserved. */
+ got_offset = (plt_index + 3) * 4;
- BFD_ASSERT ((got_displacement & 0xf0000000) == 0);
+ /* Calculate the displacement between the PLT slot and the
+ entry in the GOT. */
+ got_displacement = (sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset
+ - splt->output_section->vma
+ - splt->output_offset
+ - h->plt.offset
+ - 8);
- /* Fill in the entry in the procedure linkage table. */
- bfd_put_32 (output_bfd, elf32_arm_plt_entry[0] | ((got_displacement & 0x0ff00000) >> 20),
- splt->contents + h->plt.offset + 0);
- bfd_put_32 (output_bfd, elf32_arm_plt_entry[1] | ((got_displacement & 0x000ff000) >> 12),
- splt->contents + h->plt.offset + 4);
- bfd_put_32 (output_bfd, elf32_arm_plt_entry[2] | (got_displacement & 0x00000fff),
- splt->contents + h->plt.offset + 8);
+ BFD_ASSERT ((got_displacement & 0xf0000000) == 0);
+
+ bfd_put_32 (output_bfd, elf32_arm_plt_entry[0] | ((got_displacement & 0x0ff00000) >> 20),
+ splt->contents + h->plt.offset + 0);
+ bfd_put_32 (output_bfd, elf32_arm_plt_entry[1] | ((got_displacement & 0x000ff000) >> 12),
+ splt->contents + h->plt.offset + 4);
+ bfd_put_32 (output_bfd, elf32_arm_plt_entry[2] | (got_displacement & 0x00000fff),
+ splt->contents + h->plt.offset + 8);
#ifdef FOUR_WORD_PLT
- bfd_put_32 (output_bfd, elf32_arm_plt_entry[3],
- splt->contents + h->plt.offset + 12);
+ bfd_put_32 (output_bfd, elf32_arm_plt_entry[3],
+ splt->contents + h->plt.offset + 12);
#endif
- /* Fill in the entry in the global offset table. */
- bfd_put_32 (output_bfd,
- (splt->output_section->vma
- + splt->output_offset),
- sgot->contents + got_offset);
-
- /* Fill in the entry in the .rel.plt section. */
- rel.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + got_offset);
- rel.r_info = ELF32_R_INFO (h->dynindx, R_ARM_JUMP_SLOT);
+ /* Fill in the entry in the global offset table. */
+ bfd_put_32 (output_bfd,
+ (splt->output_section->vma
+ + splt->output_offset),
+ sgot->contents + got_offset);
+
+ /* Fill in the entry in the .rel.plt section. */
+ rel.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset);
+ rel.r_info = ELF32_R_INFO (h->dynindx, R_ARM_JUMP_SLOT);
+ }
+
loc = srel->contents + plt_index * sizeof (Elf32_External_Rel);
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ if (!h->def_regular)
{
/* Mark the symbol as undefined, rather than as defined in
the .plt section. Leave the value alone. */
Otherwise, the PLT entry would provide a definition for
the symbol even if the symbol wasn't defined anywhere,
and so the symbol would never be NULL. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
- == 0)
+ if (!h->ref_regular_nonweak)
sym->st_value = 0;
}
}
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
}
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+ if (h->needs_copy)
{
asection * s;
Elf_Internal_Rela rel;
/* Finish up the dynamic sections. */
static bfd_boolean
-elf32_arm_finish_dynamic_sections (output_bfd, info)
- bfd * output_bfd;
- struct bfd_link_info * info;
+elf32_arm_finish_dynamic_sections (bfd * output_bfd, struct bfd_link_info * info)
{
bfd * dynobj;
asection * sgot;
dynobj = elf_hash_table (info)->dynobj;
sgot = bfd_get_section_by_name (dynobj, ".got.plt");
- BFD_ASSERT (sgot != NULL);
+ BFD_ASSERT (elf32_arm_hash_table (info)->symbian_p || sgot != NULL);
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
if (elf_hash_table (info)->dynamic_sections_created)
{
asection *splt;
Elf32_External_Dyn *dyncon, *dynconend;
+ struct elf32_arm_link_hash_table *htab;
+ htab = elf32_arm_hash_table (info);
splt = bfd_get_section_by_name (dynobj, ".plt");
BFD_ASSERT (splt != NULL && sdyn != NULL);
dyncon = (Elf32_External_Dyn *) sdyn->contents;
- dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
switch (dyn.d_tag)
{
+ unsigned int type;
+
default:
break;
+ case DT_HASH:
+ name = ".hash";
+ goto get_vma_if_bpabi;
+ case DT_STRTAB:
+ name = ".dynstr";
+ goto get_vma_if_bpabi;
+ case DT_SYMTAB:
+ name = ".dynsym";
+ goto get_vma_if_bpabi;
+
case DT_PLTGOT:
name = ".got";
goto get_vma;
get_vma:
s = bfd_get_section_by_name (output_bfd, name);
BFD_ASSERT (s != NULL);
- dyn.d_un.d_ptr = s->vma;
+ if (!htab->symbian_p)
+ dyn.d_un.d_ptr = s->vma;
+ else
+ /* In the BPABI, tags in the PT_DYNAMIC section point
+ at the file offset, not the memory address, for the
+ convenience of the post linker. */
+ dyn.d_un.d_ptr = s->filepos;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
+ get_vma_if_bpabi:
+ if (htab->symbian_p)
+ goto get_vma;
+ break;
+
case DT_PLTRELSZ:
s = bfd_get_section_by_name (output_bfd, ".rel.plt");
BFD_ASSERT (s != NULL);
- if (s->_cooked_size != 0)
- dyn.d_un.d_val = s->_cooked_size;
- else
- dyn.d_un.d_val = s->_raw_size;
+ dyn.d_un.d_val = s->size;
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
-
+
case DT_RELSZ:
- /* My reading of the SVR4 ABI indicates that the
- procedure linkage table relocs (DT_JMPREL) should be
- included in the overall relocs (DT_REL). This is
- what Solaris does. However, UnixWare can not handle
- that case. Therefore, we override the DT_RELSZ entry
- here to make it not include the JMPREL relocs. Since
- the linker script arranges for .rel.plt to follow all
- other relocation sections, we don't have to worry
- about changing the DT_REL entry. */
- s = bfd_get_section_by_name (output_bfd, ".rel.plt");
- if (s != NULL)
+ if (!htab->symbian_p)
{
- if (s->_cooked_size != 0)
- dyn.d_un.d_val -= s->_cooked_size;
- else
- dyn.d_un.d_val -= s->_raw_size;
+ /* My reading of the SVR4 ABI indicates that the
+ procedure linkage table relocs (DT_JMPREL) should be
+ included in the overall relocs (DT_REL). This is
+ what Solaris does. However, UnixWare can not handle
+ that case. Therefore, we override the DT_RELSZ entry
+ here to make it not include the JMPREL relocs. Since
+ the linker script arranges for .rel.plt to follow all
+ other relocation sections, we don't have to worry
+ about changing the DT_REL entry. */
+ s = bfd_get_section_by_name (output_bfd, ".rel.plt");
+ if (s != NULL)
+ dyn.d_un.d_val -= s->size;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+ }
+ /* Fall through */
+
+ case DT_REL:
+ case DT_RELA:
+ case DT_RELASZ:
+ /* In the BPABI, the DT_REL tag must point at the file
+ offset, not the VMA, of the first relocation
+ section. So, we use code similar to that in
+ elflink.c, but do not check for SHF_ALLOC on the
+ relcoation section, since relocations sections are
+ never allocated under the BPABI. The comments above
+ about Unixware notwithstanding, we include all of the
+ relocations here. */
+ if (htab->symbian_p)
+ {
+ unsigned int i;
+ type = ((dyn.d_tag == DT_REL || dyn.d_tag == DT_RELSZ)
+ ? SHT_REL : SHT_RELA);
+ dyn.d_un.d_val = 0;
+ for (i = 1; i < elf_numsections (output_bfd); i++)
+ {
+ Elf_Internal_Shdr *hdr
+ = elf_elfsections (output_bfd)[i];
+ if (hdr->sh_type == type)
+ {
+ if (dyn.d_tag == DT_RELSZ
+ || dyn.d_tag == DT_RELASZ)
+ dyn.d_un.d_val += hdr->sh_size;
+ else if (dyn.d_un.d_val == 0
+ || hdr->sh_offset < dyn.d_un.d_val)
+ dyn.d_un.d_val = hdr->sh_offset;
+ }
+ }
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
}
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
/* Set the bottom bit of DT_INIT/FINI if the
}
/* Fill in the first entry in the procedure linkage table. */
- if (splt->_raw_size > 0)
+ if (splt->size > 0 && elf32_arm_hash_table (info)->plt_header_size)
{
bfd_vma got_displacement;
}
/* Fill in the first three entries in the global offset table. */
- if (sgot->_raw_size > 0)
+ if (sgot)
{
- if (sdyn == NULL)
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
- else
- bfd_put_32 (output_bfd,
- sdyn->output_section->vma + sdyn->output_offset,
- sgot->contents);
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
- }
+ if (sgot->size > 0)
+ {
+ if (sdyn == NULL)
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
+ else
+ bfd_put_32 (output_bfd,
+ sdyn->output_section->vma + sdyn->output_offset,
+ sgot->contents);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
+ }
- elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
+ elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
+ }
return TRUE;
}
static void
-elf32_arm_post_process_headers (abfd, link_info)
- bfd * abfd;
- struct bfd_link_info * link_info ATTRIBUTE_UNUSED;
+elf32_arm_post_process_headers (bfd * abfd, struct bfd_link_info * link_info ATTRIBUTE_UNUSED)
{
Elf_Internal_Ehdr * i_ehdrp; /* ELF file header, internal form. */
+ struct elf32_arm_link_hash_table *globals;
i_ehdrp = elf_elfheader (abfd);
i_ehdrp->e_ident[EI_OSABI] = ARM_ELF_OS_ABI_VERSION;
i_ehdrp->e_ident[EI_ABIVERSION] = ARM_ELF_ABI_VERSION;
+
+ if (link_info)
+ {
+ globals = elf32_arm_hash_table (link_info);
+ if (globals->byteswap_code)
+ i_ehdrp->e_flags |= EF_ARM_BE8;
+ }
}
static enum elf_reloc_type_class
-elf32_arm_reloc_type_class (rela)
- const Elf_Internal_Rela *rela;
+elf32_arm_reloc_type_class (const Elf_Internal_Rela *rela)
{
switch ((int) ELF32_R_TYPE (rela->r_info))
{
}
}
-static bfd_boolean elf32_arm_section_flags PARAMS ((flagword *, Elf_Internal_Shdr *));
-static void elf32_arm_final_write_processing PARAMS ((bfd *, bfd_boolean));
+static bfd_boolean elf32_arm_section_flags (flagword *, const Elf_Internal_Shdr *);
+static void elf32_arm_final_write_processing (bfd *, bfd_boolean);
/* Set the right machine number for an Arm ELF file. */
static bfd_boolean
-elf32_arm_section_flags (flags, hdr)
- flagword *flags;
- Elf_Internal_Shdr *hdr;
+elf32_arm_section_flags (flagword *flags, const Elf_Internal_Shdr *hdr)
{
if (hdr->sh_type == SHT_NOTE)
*flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_SAME_CONTENTS;
return TRUE;
}
-void
-elf32_arm_final_write_processing (abfd, linker)
- bfd *abfd;
- bfd_boolean linker ATTRIBUTE_UNUSED;
+static void
+elf32_arm_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
{
bfd_arm_update_notes (abfd, ARM_NOTE_SECTION);
}
+
+/* Called for each symbol. Builds a section map based on mapping symbols.
+ Does not alter any of the symbols. */
+
+static bfd_boolean
+elf32_arm_output_symbol_hook (struct bfd_link_info *info,
+ const char *name,
+ Elf_Internal_Sym *elfsym,
+ asection *input_sec,
+ struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
+{
+ int mapcount;
+ elf32_arm_section_map *map;
+ struct elf32_arm_link_hash_table *globals;
+
+ /* Only do this on final link. */
+ if (info->relocatable)
+ return TRUE;
+
+ /* Only build a map if we need to byteswap code. */
+ globals = elf32_arm_hash_table (info);
+ if (!globals->byteswap_code)
+ return TRUE;
+
+ /* We only want mapping symbols. */
+ if (! is_arm_mapping_symbol_name (name))
+ return TRUE;
+
+ mapcount = ++(elf32_arm_section_data (input_sec)->mapcount);
+ map = elf32_arm_section_data (input_sec)->map;
+ /* TODO: This may be inefficient, but we probably don't usually have many
+ mapping symbols per section. */
+ map = bfd_realloc (map, mapcount * sizeof (elf32_arm_section_map));
+ elf32_arm_section_data (input_sec)->map = map;
+
+ map[mapcount - 1].vma = elfsym->st_value;
+ map[mapcount - 1].type = name[1];
+ return TRUE;
+}
+
+
+/* Allocate target specific section data. */
+
+static bfd_boolean
+elf32_arm_new_section_hook (bfd *abfd, asection *sec)
+{
+ struct _arm_elf_section_data *sdata;
+ bfd_size_type amt = sizeof (*sdata);
+
+ sdata = bfd_zalloc (abfd, amt);
+ if (sdata == NULL)
+ return FALSE;
+ sec->used_by_bfd = sdata;
+
+ return _bfd_elf_new_section_hook (abfd, sec);
+}
+
+
+/* Used to order a list of mapping symbols by address. */
+
+static int
+elf32_arm_compare_mapping (const void * a, const void * b)
+{
+ return ((const elf32_arm_section_map *) a)->vma
+ > ((const elf32_arm_section_map *) b)->vma;
+}
+
+
+/* Do code byteswapping. Return FALSE afterwards so that the section is
+ written out as normal. */
+
+static bfd_boolean
+elf32_arm_write_section (bfd *output_bfd ATTRIBUTE_UNUSED, asection *sec,
+ bfd_byte *contents)
+{
+ int mapcount;
+ elf32_arm_section_map *map;
+ bfd_vma ptr;
+ bfd_vma end;
+ bfd_vma offset;
+ bfd_byte tmp;
+ int i;
+
+ mapcount = elf32_arm_section_data (sec)->mapcount;
+ map = elf32_arm_section_data (sec)->map;
+
+ if (mapcount == 0)
+ return FALSE;
+
+ qsort (map, mapcount, sizeof (elf32_arm_section_map),
+ elf32_arm_compare_mapping);
+
+ offset = sec->output_section->vma + sec->output_offset;
+ ptr = map[0].vma - offset;
+ for (i = 0; i < mapcount; i++)
+ {
+ if (i == mapcount - 1)
+ end = sec->size;
+ else
+ end = map[i + 1].vma - offset;
+
+ switch (map[i].type)
+ {
+ case 'a':
+ /* Byte swap code words. */
+ while (ptr + 3 < end)
+ {
+ tmp = contents[ptr];
+ contents[ptr] = contents[ptr + 3];
+ contents[ptr + 3] = tmp;
+ tmp = contents[ptr + 1];
+ contents[ptr + 1] = contents[ptr + 2];
+ contents[ptr + 2] = tmp;
+ ptr += 4;
+ }
+ break;
+
+ case 't':
+ /* Byte swap code halfwords. */
+ while (ptr + 1 < end)
+ {
+ tmp = contents[ptr];
+ contents[ptr] = contents[ptr + 1];
+ contents[ptr + 1] = tmp;
+ ptr += 2;
+ }
+ break;
+
+ case 'd':
+ /* Leave data alone. */
+ break;
+ }
+ ptr = end;
+ }
+ free (map);
+ return FALSE;
+}
+
#define ELF_ARCH bfd_arch_arm
#define ELF_MACHINE_CODE EM_ARM
#ifdef __QNXTARGET__
#define bfd_elf32_bfd_link_hash_table_create elf32_arm_link_hash_table_create
#define bfd_elf32_bfd_reloc_type_lookup elf32_arm_reloc_type_lookup
#define bfd_elf32_find_nearest_line elf32_arm_find_nearest_line
+#define bfd_elf32_new_section_hook elf32_arm_new_section_hook
#define elf_backend_get_symbol_type elf32_arm_get_symbol_type
#define elf_backend_gc_mark_hook elf32_arm_gc_mark_hook
#define elf_backend_gc_sweep_hook elf32_arm_gc_sweep_hook
#define elf_backend_check_relocs elf32_arm_check_relocs
#define elf_backend_relocate_section elf32_arm_relocate_section
+#define elf_backend_write_section elf32_arm_write_section
#define elf_backend_adjust_dynamic_symbol elf32_arm_adjust_dynamic_symbol
#define elf_backend_create_dynamic_sections elf32_arm_create_dynamic_sections
#define elf_backend_finish_dynamic_symbol elf32_arm_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections elf32_arm_finish_dynamic_sections
+#define elf_backend_link_output_symbol_hook elf32_arm_output_symbol_hook
#define elf_backend_size_dynamic_sections elf32_arm_size_dynamic_sections
#define elf_backend_post_process_headers elf32_arm_post_process_headers
#define elf_backend_reloc_type_class elf32_arm_reloc_type_class
#define elf_backend_got_header_size 12
#include "elf32-target.h"
-
projects / deliverable / binutils-gdb.git / blobdiff