/* Freescale XGATE-specific support for 32-bit ELF
- Copyright (C) 2010-2016 Free Software Foundation, Inc.
+ Copyright (C) 2010-2019 Free Software Foundation, Inc.
Contributed by Sean Keys(skeys@ipdatasys.com)
This file is part of BFD, the Binary File Descriptor library.
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
-#include "elf32-xgate.h"
#include "elf/xgate.h"
#include "opcode/xgate.h"
#include "libiberty.h"
-/* Relocation functions. */
-static reloc_howto_type *
-bfd_elf32_bfd_reloc_type_lookup (bfd *, bfd_reloc_code_real_type);
-static reloc_howto_type *
-bfd_elf32_bfd_reloc_name_lookup (bfd *, const char *);
-static void
-xgate_info_to_howto_rel (bfd *, arelent *, Elf_Internal_Rela *);
-static bfd_boolean
-xgate_elf_set_mach_from_flags (bfd *);
-static struct bfd_hash_entry *
-stub_hash_newfunc (struct bfd_hash_entry *, struct bfd_hash_table *,
- const char *);
-static struct bfd_link_hash_table*
-xgate_elf_bfd_link_hash_table_create (bfd *);
+/* Forward declarations. */
+static bfd_reloc_status_type xgate_elf_ignore_reloc
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static bfd_reloc_status_type xgate_elf_special_reloc
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
/* Use REL instead of RELA to save space */
#define USE_REL 1
for (i = 0; i < ARRAY_SIZE (elf_xgate_howto_table); i++)
if (elf_xgate_howto_table[i].name != NULL
- && strcasecmp (elf_xgate_howto_table[i].name, r_name) == 0)
+ && strcasecmp (elf_xgate_howto_table[i].name, r_name) == 0)
return &elf_xgate_howto_table[i];
return NULL;
/* Set the howto pointer for an XGATE ELF reloc. */
-static void
-xgate_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
+static bfd_boolean
+xgate_info_to_howto_rel (bfd *abfd,
arelent *cache_ptr,
Elf_Internal_Rela *dst)
{
if (r_type >= (unsigned int) R_XGATE_max)
{
/* xgettext:c-format */
- _bfd_error_handler (_("%B: invalid XGate reloc number: %d"), abfd, r_type);
- r_type = 0;
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
}
cache_ptr->howto = &elf_xgate_howto_table[r_type];
-}
-
-/* Destroy an XGATE ELF linker hash table. */
-
-static void
-xgate_elf_bfd_link_hash_table_free (bfd *obfd)
-{
- struct xgate_elf_link_hash_table *ret =
- (struct xgate_elf_link_hash_table *) obfd->link.hash;
-
- bfd_hash_table_free (ret->stub_hash_table);
- free (ret->stub_hash_table);
- _bfd_elf_link_hash_table_free (obfd);
-}
-
-/* Create an XGATE ELF linker hash table. */
-
-static struct bfd_link_hash_table*
-xgate_elf_bfd_link_hash_table_create (bfd *abfd)
-{
- struct xgate_elf_link_hash_table *ret;
- bfd_size_type amt = sizeof(struct xgate_elf_link_hash_table);
-
- ret = (struct xgate_elf_link_hash_table *) bfd_zmalloc (amt);
- if (ret == (struct xgate_elf_link_hash_table *) NULL)
- return NULL;
-
- if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
- _bfd_elf_link_hash_newfunc, sizeof(struct elf_link_hash_entry),
- XGATE_ELF_DATA))
- {
- free (ret);
- return NULL;
- }
-
- /* Init the stub hash table too. */
- amt = sizeof(struct bfd_hash_table);
- ret->stub_hash_table = (struct bfd_hash_table*) bfd_zmalloc (amt);
- if (ret->stub_hash_table == NULL)
- {
- _bfd_elf_link_hash_table_free (abfd);
- return NULL;
- }
-
- if (!bfd_hash_table_init (ret->stub_hash_table, stub_hash_newfunc,
- sizeof(struct elf32_xgate_stub_hash_entry)))
- {
- free (ret->stub_hash_table);
- _bfd_elf_link_hash_table_free (abfd);
- return NULL;
- }
- ret->root.root.hash_table_free = xgate_elf_bfd_link_hash_table_free;
-
- return &ret->root.root;
-}
-
-static bfd_boolean
-xgate_elf_set_mach_from_flags (bfd *abfd ATTRIBUTE_UNUSED)
-{
return TRUE;
}
{ NULL, 0, 0, 0, 0 }
};
-struct xgate_scan_param
-{
- struct xgate_page_info* pinfo;
- bfd_boolean use_memory_banks;
-};
-
-/* Assorted hash table functions. */
-
-/* Initialize an entry in the stub hash table. */
-
-static struct bfd_hash_entry *
-stub_hash_newfunc (struct bfd_hash_entry *entry,
- struct bfd_hash_table *table ATTRIBUTE_UNUSED,
- const char *string ATTRIBUTE_UNUSED)
-{
- return entry;
-}
-
-/* Hook called by the linker routine which adds symbols from an object
- file. */
-
-bfd_boolean
-elf32_xgate_add_symbol_hook (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- Elf_Internal_Sym *sym,
- const char **namep ATTRIBUTE_UNUSED,
- flagword *flagsp ATTRIBUTE_UNUSED,
- asection **secp ATTRIBUTE_UNUSED,
- bfd_vma *valp ATTRIBUTE_UNUSED)
-{
- /* For some reason the st_target_internal value is not retained
- after xgate_frob_symbol is called, hence this temp hack. */
- sym->st_target_internal = 1;
- return TRUE;
-}
-
-/* External entry points for sizing and building linker stubs. */
-
-/* Set up various things so that we can make a list of input sections
- for each output section included in the link. Returns -1 on error,
- 0 when no stubs will be needed, and 1 on success. */
-
-int
-elf32_xgate_setup_section_lists (bfd *output_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED)
-{
- return 1;
-}
-
-/* Determine and set the size of the stub section for a final link.
- The basic idea here is to examine all the relocations looking for
- PC-relative calls to a target that is unreachable with any "9-bit PC-REL"
- instruction. */
-
-bfd_boolean
-elf32_xgate_size_stubs (bfd *output_bfd ATTRIBUTE_UNUSED,
- bfd *stub_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection * (*add_stub_section) (const char*, asection*) ATTRIBUTE_UNUSED)
-{
- return FALSE;
-}
-
-/* Build all the stubs associated with the current output file. The
- stubs are kept in a hash table attached to the main linker hash
- table. This function is called via xgateelf_finish in the
- linker. */
-
-bfd_boolean
-elf32_xgate_build_stubs (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED)
-{
- return TRUE;
-}
+/* Hook called when reading symbols. */
-void
-xgate_elf_get_bank_parameters (struct bfd_link_info *info ATTRIBUTE_UNUSED)
+static void
+elf32_xgate_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
+ asymbol *sym)
{
- return;
+ /* Mark xgate symbols. */
+ ((elf_symbol_type *) sym)->internal_elf_sym.st_target_internal = 1;
}
/* This function is used for relocs which are only used for relaxing,
which the linker should otherwise ignore. */
-bfd_reloc_status_type
+static bfd_reloc_status_type
xgate_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED,
arelent *reloc_entry,
asymbol *symbol ATTRIBUTE_UNUSED,
return bfd_reloc_ok;
}
-bfd_reloc_status_type
+static bfd_reloc_status_type
xgate_elf_special_reloc (bfd *abfd ATTRIBUTE_UNUSED,
arelent *reloc_entry ATTRIBUTE_UNUSED,
asymbol *symbol ATTRIBUTE_UNUSED,
abort ();
}
-/* 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. */
-
-bfd_boolean
-elf32_xgate_check_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;
-}
-
-/* Relocate a XGATE/S12x ELF section. */
-
-bfd_boolean
-elf32_xgate_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- bfd *input_bfd ATTRIBUTE_UNUSED,
- asection *input_section ATTRIBUTE_UNUSED,
- bfd_byte *contents ATTRIBUTE_UNUSED,
- Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED,
- Elf_Internal_Sym *local_syms ATTRIBUTE_UNUSED,
- asection **local_sections ATTRIBUTE_UNUSED)
-{
- return TRUE;
-}
-
-/* Set and control ELF flags in ELF header. */
-
-bfd_boolean
-_bfd_xgate_elf_set_private_flags (bfd *abfd ATTRIBUTE_UNUSED,
- flagword flags ATTRIBUTE_UNUSED)
-{
- return TRUE;
-}
-
-bfd_boolean
+static bfd_boolean
_bfd_xgate_elf_print_private_bfd_data (bfd *abfd, void *ptr)
{
FILE *file = (FILE *) ptr;
return TRUE;
}
-void
-elf32_xgate_post_process_headers (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *link_info ATTRIBUTE_UNUSED)
-{
+#define ELF_ARCH bfd_arch_xgate
+#define ELF_MACHINE_CODE EM_XGATE
-}
+#define ELF_MAXPAGESIZE 0x1000
-#define ELF_ARCH bfd_arch_xgate
-#define ELF_MACHINE_CODE EM_XGATE
-#define ELF_TARGET_ID XGATE_ELF_DATA
+#define TARGET_BIG_SYM xgate_elf32_vec
+#define TARGET_BIG_NAME "elf32-xgate"
-#define ELF_MAXPAGESIZE 0x1000
-
-#define TARGET_BIG_SYM xgate_elf32_vec
-#define TARGET_BIG_NAME "elf32-xgate"
-
-#define elf_info_to_howto 0
-#define elf_info_to_howto_rel xgate_info_to_howto_rel
-#define elf_backend_check_relocs elf32_xgate_check_relocs
-#define elf_backend_relocate_section elf32_xgate_relocate_section
-#define elf_backend_object_p xgate_elf_set_mach_from_flags
-#define elf_backend_final_write_processing 0
-#define elf_backend_can_gc_sections 1
-#define elf_backend_special_sections elf32_xgate_special_sections
-#define elf_backend_post_process_headers elf32_xgate_post_process_headers
-#define elf_backend_add_symbol_hook elf32_xgate_add_symbol_hook
-
-#define bfd_elf32_bfd_link_hash_table_create xgate_elf_bfd_link_hash_table_create
-#define bfd_elf32_bfd_set_private_flags _bfd_xgate_elf_set_private_flags
+#define elf_info_to_howto_rel xgate_info_to_howto_rel
+#define elf_backend_special_sections elf32_xgate_special_sections
+#define elf_backend_symbol_processing elf32_xgate_backend_symbol_processing
#define bfd_elf32_bfd_print_private_bfd_data _bfd_xgate_elf_print_private_bfd_data
-#define xgate_stub_hash_lookup(table, string, create, copy) \
- ((struct elf32_xgate_stub_hash_entry *) \
- bfd_hash_lookup ((table), (string), (create), (copy)))
-
#include "elf32-target.h"
projects / thirdparty / binutils-gdb.git / blobdiff