diff options
Diffstat (limited to 'bfd/elf32-xgate.c')
| -rw-r--r-- | bfd/elf32-xgate.c | 229 |
1 files changed, 15 insertions, 214 deletions
diff --git a/bfd/elf32-xgate.c b/bfd/elf32-xgate.c index a367526..9866864 100644 --- a/bfd/elf32-xgate.c +++ b/bfd/elf32-xgate.c @@ -24,25 +24,15 @@ #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 bfd_boolean -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 @@ -434,66 +424,6 @@ xgate_info_to_howto_rel (bfd *abfd, return TRUE; } -/* 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; -} - /* Specific sections: - The .page0 is a data section that is mapped in [0x0000..0x00FF]. Page0 accesses are faster on the M68HC12. @@ -511,91 +441,20 @@ static const struct bfd_elf_special_section elf32_xgate_special_sections[] = { NULL, 0, 0, 0, 0 } }; -struct xgate_scan_param -{ - struct xgate_page_info* pinfo; - bfd_boolean use_memory_banks; -}; - -/* Assorted hash table functions. */ +/* Hook called when reading symbols. */ -/* 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; -} - -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, @@ -609,7 +468,7 @@ xgate_elf_ignore_reloc (bfd *abfd 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, @@ -621,44 +480,7 @@ xgate_elf_special_reloc (bfd *abfd 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; @@ -689,38 +511,17 @@ _bfd_xgate_elf_print_private_bfd_data (bfd *abfd, void *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_TARGET_ID XGATE_ELF_DATA #define ELF_MAXPAGESIZE 0x1000 #define TARGET_BIG_SYM xgate_elf32_vec #define TARGET_BIG_NAME "elf32-xgate" -#define elf_info_to_howto NULL #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 NULL -#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_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" |