/* BFD back-end data structures for ELF files.
- Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
- Free Software Foundation, Inc.
+ Copyright (C) 1992-2015 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#include "elf/internal.h"
#include "bfdlink.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* The number of entries in a section is its size divided by the size
of a single entry. This is normally only applicable to reloc and
symbol table sections.
unsigned int pointer_equality_needed : 1;
/* Symbol is a unique global symbol. */
unsigned int unique_global : 1;
+ /* Symbol is defined by a shared library with non-default visibility
+ in a read/write section. */
+ unsigned int protected_def : 1;
/* String table index in .dynstr if this is a dynamic symbol. */
unsigned long dynstr_index;
_bfd_elf_symbol_refs_local_p (H, INFO, 1)
/* Common symbols that are turned into definitions don't have the
- DEF_REGULAR flag set, so they might appear to be undefined. */
+ DEF_REGULAR flag set, so they might appear to be undefined.
+ Symbols defined in linker scripts also don't have DEF_REGULAR set. */
#define ELF_COMMON_DEF_P(H) \
(!(H)->def_regular \
&& !(H)->def_dynamic \
If REMOVED == 0, this is the CIE that we have chosen to use for
the output FDE. The CIE's REMOVED field is also 0, but the CIE
- might belong to a different .eh_frame input section from the FDE. */
+ might belong to a different .eh_frame input section from the FDE.
+
+ May be NULL to signify that the FDE should be discarded. */
struct eh_cie_fde *cie_inf;
struct eh_cie_fde *next_for_section;
} fde;
struct eh_frame_array_ent
{
bfd_vma initial_loc;
+ bfd_size_type range;
bfd_vma fde;
};
struct htab;
-struct eh_frame_hdr_info
+#define DWARF2_EH_HDR 1
+#define COMPACT_EH_HDR 2
+
+/* Endian-neutral code indicating that a function cannot be unwound. */
+#define COMPACT_EH_CANT_UNWIND_OPCODE 0x015d5d01
+
+struct dwarf_eh_frame_hdr_info
{
struct htab *cies;
- asection *hdr_sec;
- unsigned int fde_count, array_count;
- struct eh_frame_array_ent *array;
- /* TRUE if we should try to merge CIEs between input sections. */
- bfd_boolean merge_cies;
- /* TRUE if all .eh_frames have been parsd. */
- bfd_boolean parsed_eh_frames;
+ unsigned int fde_count;
/* TRUE if .eh_frame_hdr should contain the sorted search table.
We build it if we successfully read all .eh_frame input sections
and recognize them. */
bfd_boolean table;
+ struct eh_frame_array_ent *array;
+};
+
+struct compact_eh_frame_hdr_info
+{
+ unsigned int allocated_entries;
+ /* eh_frame_entry fragments. */
+ asection **entries;
+};
+
+struct eh_frame_hdr_info
+{
+ asection *hdr_sec;
+ unsigned int array_count;
+ bfd_boolean frame_hdr_is_compact;
+ union
+ {
+ struct dwarf_eh_frame_hdr_info dwarf;
+ struct compact_eh_frame_hdr_info compact;
+ }
+ u;
};
/* Enum used to identify target specific extensions to the elf_obj_tdata
MICROBLAZE_ELF_DATA,
MIPS_ELF_DATA,
MN10300_ELF_DATA,
+ NDS32_ELF_DATA,
NIOS2_ELF_DATA,
+ OR1K_ELF_DATA,
PPC32_ELF_DATA,
PPC64_ELF_DATA,
S390_ELF_DATA,
reloc_class_normal,
reloc_class_relative,
reloc_class_plt,
- reloc_class_copy
+ reloc_class_copy,
+ reloc_class_ifunc
};
struct elf_reloc_cookie
bfd_boolean (*check_directives)
(bfd *abfd, struct bfd_link_info *info);
- /* The AS_NEEDED_CLEANUP function is called once per --as-needed
- input file that was not needed by the add_symbols phase of the
- ELF backend linker. The function must undo any target specific
- changes in the symbol hash table. */
- bfd_boolean (*as_needed_cleanup)
- (bfd *abfd, struct bfd_link_info *info);
+ /* The NOTICE_AS_NEEDED function is called as the linker is about to
+ handle an as-needed lib (ACT = notice_as_needed), and after the
+ linker has decided to keep the lib (ACT = notice_needed) or when
+ the lib is not needed (ACT = notice_not_needed). */
+ bfd_boolean (*notice_as_needed)
+ (bfd *abfd, struct bfd_link_info *info, enum notice_asneeded_action act);
/* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend
linker for every symbol which is defined by a dynamic object and
unsigned int (*elf_backend_count_relocs)
(struct bfd_link_info *, asection *);
+ /* Say whether to sort relocs output by ld -r and ld --emit-relocs,
+ by r_offset. If NULL, default to true. */
+ bfd_boolean (*sort_relocs_p)
+ (asection *);
+
/* This function, if defined, is called when an NT_PRSTATUS note is found
in a core file. */
bfd_boolean (*elf_backend_grok_prstatus)
/* This function returns class of a reloc type. */
enum elf_reloc_type_class (*elf_backend_reloc_type_class)
- (const Elf_Internal_Rela *);
+ (const struct bfd_link_info *, const asection *, const Elf_Internal_Rela *);
/* This function, if defined, removes information about discarded functions
from other sections which mention them. */
/* This function implements `bfd_elf_bfd_from_remote_memory';
see elf.c, elfcode.h. */
bfd *(*elf_backend_bfd_from_remote_memory)
- (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
- int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
- bfd_size_type len));
+ (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep,
+ int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
+ bfd_size_type len));
/* This function is used by `_bfd_elf_get_synthetic_symtab';
see elf.c. */
asection *(*common_section) (asection *);
/* Return TRUE if we can merge 2 definitions. */
- bfd_boolean (*merge_symbol) (struct bfd_link_info *,
- struct elf_link_hash_entry **,
- struct elf_link_hash_entry *,
- Elf_Internal_Sym *, asection **,
- bfd_vma *, unsigned int *,
- bfd_boolean *, bfd_boolean *,
- bfd_boolean *, bfd_boolean *,
- bfd_boolean *, bfd_boolean *,
- bfd_boolean *, bfd_boolean *,
- bfd *, asection **,
- bfd_boolean *, bfd_boolean *,
- bfd_boolean *, bfd_boolean *,
- bfd *, asection **);
+ bfd_boolean (*merge_symbol) (struct elf_link_hash_entry *,
+ const Elf_Internal_Sym *, asection **,
+ bfd_boolean, bfd_boolean,
+ bfd *, const asection *);
/* Return TRUE if symbol should be hashed in the `.gnu.hash' section. */
bfd_boolean (*elf_hash_symbol) (struct elf_link_hash_entry *);
bfd_size_type (*maybe_function_sym) (const asymbol *sym, asection *sec,
bfd_vma *code_off);
+ /* Return the section which RELOC_SEC applies to. */
+ asection *(*get_reloc_section) (asection *reloc_sec);
+
/* Used to handle bad SHF_LINK_ORDER input. */
bfd_error_handler_type link_order_error_handler;
or give an error and return FALSE. */
bfd_boolean (*obj_attrs_handle_unknown) (bfd *, int);
+ /* Encoding used for compact EH tables. */
+ int (*compact_eh_encoding) (struct bfd_link_info *);
+
+ /* Opcode representing no unwind. */
+ int (*cant_unwind_opcode) (struct bfd_link_info *);
+
/* This is non-zero if static TLS segments require a special alignment. */
unsigned static_tls_alignment;
other file in the link needs to have a .note.GNU-stack section
for a PT_GNU_STACK segment to be created. */
unsigned default_execstack : 1;
+
+ /* True if elf_section_data(sec)->this_hdr.contents is sec->rawsize
+ in length rather than sec->size in length, if sec->rawsize is
+ non-zero and smaller than sec->size. */
+ unsigned caches_rawsize : 1;
+
+ /* Address of protected data defined in the shared library may be
+ external, i.e., due to copy relocation. */
+ unsigned extern_protected_data : 1;
};
/* Information about reloc sections associated with a bfd_elf_section_data
field acts as a chain pointer. */
struct eh_cie_fde *fde_list;
+ /* Link from a text section to its .eh_frame_entry section. */
+ asection *eh_frame_entry;
+
/* A pointer used for various section optimizations. */
void *sec_info;
};
#define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
#define elf_fde_list(sec) (elf_section_data(sec)->fde_list)
#define elf_sec_group(sec) (elf_section_data(sec)->sec_group)
+#define elf_section_eh_frame_entry(sec) (elf_section_data(sec)->eh_frame_entry)
#define xvec_get_elf_backend_data(xvec) \
((const struct elf_backend_data *) (xvec)->backend_data)
bfd_byte data[1];
};
+/* tdata information grabbed from an elf core file. */
+struct core_elf_obj_tdata
+{
+ int signal;
+ int pid;
+ int lwpid;
+ char* program;
+ char* command;
+};
+
+/* Extra tdata information held for output ELF BFDs. */
+struct output_elf_obj_tdata
+{
+ struct elf_segment_map *seg_map;
+ struct elf_strtab_hash *strtab_ptr;
+
+ /* STT_SECTION symbols for each section */
+ asymbol **section_syms;
+
+ /* Used to determine if PT_GNU_EH_FRAME segment header should be
+ created. */
+ asection *eh_frame_hdr;
+
+ /* NT_GNU_BUILD_ID note type info. */
+ struct
+ {
+ bfd_boolean (*after_write_object_contents) (bfd *);
+ const char *style;
+ asection *sec;
+ } build_id;
+
+ /* Records the result of `get_program_header_size'. */
+ bfd_size_type program_header_size;
+
+ /* Used when laying out sections. */
+ file_ptr next_file_pos;
+
+ int num_section_syms;
+ unsigned int shstrtab_section, strtab_section;
+
+ /* Segment flags for the PT_GNU_STACK segment. */
+ unsigned int stack_flags;
+
+ /* This is set to TRUE if the object was created by the backend
+ linker. */
+ bfd_boolean linker;
+
+ /* Used to determine if the e_flags field has been initialized */
+ bfd_boolean flags_init;
+};
+
/* Some private data is stashed away for future use using the tdata pointer
in the bfd structure. */
Elf_Internal_Ehdr elf_header[1]; /* Actual data, but ref like ptr */
Elf_Internal_Shdr **elf_sect_ptr;
Elf_Internal_Phdr *phdr;
- struct elf_segment_map *segment_map;
- struct elf_strtab_hash *strtab_ptr;
- int num_locals;
- int num_globals;
- unsigned int num_elf_sections; /* elf_sect_ptr size */
- int num_section_syms;
- asymbol **section_syms; /* STT_SECTION symbols for each section */
Elf_Internal_Shdr symtab_hdr;
Elf_Internal_Shdr shstrtab_hdr;
Elf_Internal_Shdr strtab_hdr;
Elf_Internal_Shdr dynverref_hdr;
Elf_Internal_Shdr dynverdef_hdr;
Elf_Internal_Shdr symtab_shndx_hdr;
- unsigned int symtab_section, shstrtab_section;
- unsigned int strtab_section, dynsymtab_section;
- unsigned int symtab_shndx_section;
- unsigned int dynversym_section, dynverdef_section, dynverref_section;
- file_ptr next_file_pos;
bfd_vma gp; /* The gp value */
unsigned int gp_size; /* The gp size */
-
- /* Information grabbed from an elf core file. */
- int core_signal;
- int core_pid;
- int core_lwpid;
- char* core_program;
- char* core_command;
+ unsigned int num_elf_sections; /* elf_sect_ptr size */
/* A mapping from external symbols to entries in the linker hash
table, used when linking. This is indexed by the symbol index
are used by a dynamic object. */
const char *dt_audit;
- /* Records the result of `get_program_header_size'. */
- bfd_size_type program_header_size;
-
/* Used by find_nearest_line entry point. */
void *line_info;
/* Stash away info for yet another find line/function variant. */
void *elf_find_function_cache;
- /* Used to determine if PT_GNU_EH_FRAME segment header should be
- created. */
- asection *eh_frame_hdr;
-
- Elf_Internal_Shdr **group_sect_ptr;
- int num_group;
-
/* Number of symbol version definitions we are about to emit. */
unsigned int cverdefs;
/* Number of symbol version references we are about to emit. */
unsigned int cverrefs;
- /* Segment flags for the PT_GNU_STACK segment. */
- unsigned int stack_flags;
-
/* Symbol version definitions in external objects. */
Elf_Internal_Verdef *verdef;
/* A pointer to the .eh_frame section. */
asection *eh_frame_section;
+ /* Symbol buffer. */
+ void *symbuf;
+
+ obj_attribute known_obj_attributes[2][NUM_KNOWN_OBJ_ATTRIBUTES];
+ obj_attribute_list *other_obj_attributes[2];
+
+ /* Linked-list containing information about every Systemtap section
+ found in the object file. Each section corresponds to one entry
+ in the list. */
+ struct sdt_note *sdt_note_head;
+
+ Elf_Internal_Shdr **group_sect_ptr;
+ int num_group;
+
+ unsigned int symtab_section, symtab_shndx_section, dynsymtab_section;
+ unsigned int dynversym_section, dynverdef_section, dynverref_section;
+
+ /* An identifier used to distinguish different target
+ specific extensions to this structure. */
+ enum elf_target_id object_id;
+
/* Whether a dyanmic object was specified normally on the linker
command line, or was specified when --as-needed was in effect,
or was found via a DT_NEEDED entry. */
enum dynamic_lib_link_class dyn_lib_class;
- /* This is set to TRUE if the object was created by the backend
- linker. */
- bfd_boolean linker;
-
/* Irix 5 often screws up the symbol table, sorting local symbols
after global symbols. This flag is set if the symbol table in
this BFD appears to be screwed up. If it is, we ignore the
symbols. */
bfd_boolean bad_symtab;
- /* Used to determine if the e_flags field has been initialized */
- bfd_boolean flags_init;
-
- /* Symbol buffer. */
- void *symbuf;
-
- obj_attribute known_obj_attributes[2][NUM_KNOWN_OBJ_ATTRIBUTES];
- obj_attribute_list *other_obj_attributes[2];
-
- /* Called at the end of _bfd_elf_write_object_contents if not NULL. */
- bfd_boolean (*after_write_object_contents) (bfd *);
- void *after_write_object_contents_info;
-
- /* NT_GNU_BUILD_ID note type. */
- bfd_size_type build_id_size;
- bfd_byte *build_id;
-
- /* Linked-list containing information about every Systemtap section
- found in the object file. Each section corresponds to one entry
- in the list. */
- struct sdt_note *sdt_note_head;
-
/* True if the bfd contains symbols that have the STT_GNU_IFUNC
symbol type or STB_GNU_UNIQUE binding. Used to set the osabi
field in the ELF header structure. */
bfd_boolean has_gnu_symbols;
- /* An identifier used to distinguish different target
- specific extensions to this structure. */
- enum elf_target_id object_id;
+ /* Information grabbed from an elf core file. */
+ struct core_elf_obj_tdata *core;
+
+ /* More information held for output ELF BFDs. */
+ struct output_elf_obj_tdata *o;
};
#define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
#define elf_object_id(bfd) (elf_tdata(bfd) -> object_id)
-#define elf_program_header_size(bfd) (elf_tdata(bfd) -> program_header_size)
+#define elf_program_header_size(bfd) (elf_tdata(bfd) -> o->program_header_size)
#define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header)
#define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr)
#define elf_numsections(bfd) (elf_tdata(bfd) -> num_elf_sections)
-#define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr)
+#define elf_seg_map(bfd) (elf_tdata(bfd) -> o->seg_map)
+#define elf_next_file_pos(bfd) (elf_tdata(bfd) -> o->next_file_pos)
+#define elf_eh_frame_hdr(bfd) (elf_tdata(bfd) -> o->eh_frame_hdr)
+#define elf_linker(bfd) (elf_tdata(bfd) -> o->linker)
+#define elf_stack_flags(bfd) (elf_tdata(bfd) -> o->stack_flags)
+#define elf_shstrtab(bfd) (elf_tdata(bfd) -> o->strtab_ptr)
#define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section)
#define elf_symtab_shndx(bfd) (elf_tdata(bfd) -> symtab_shndx_section)
+#define elf_strtab_sec(bfd) (elf_tdata(bfd) -> o->strtab_section)
+#define elf_shstrtab_sec(bfd) (elf_tdata(bfd) -> o->shstrtab_section)
#define elf_symtab_hdr(bfd) (elf_tdata(bfd) -> symtab_hdr)
#define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section)
#define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section)
#define elf_dynverref(bfd) (elf_tdata(bfd) -> dynverref_section)
#define elf_eh_frame_section(bfd) \
(elf_tdata(bfd) -> eh_frame_section)
-#define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals)
-#define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals)
-#define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms)
-#define elf_num_section_syms(bfd) (elf_tdata(bfd) -> num_section_syms)
+#define elf_section_syms(bfd) (elf_tdata(bfd) -> o->section_syms)
+#define elf_num_section_syms(bfd) (elf_tdata(bfd) -> o->num_section_syms)
#define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo)
#define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus)
#define elf_gp(bfd) (elf_tdata(bfd) -> gp)
#define elf_dt_audit(bfd) (elf_tdata(bfd) -> dt_audit)
#define elf_dyn_lib_class(bfd) (elf_tdata(bfd) -> dyn_lib_class)
#define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab)
-#define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init)
+#define elf_flags_init(bfd) (elf_tdata(bfd) -> o->flags_init)
#define elf_known_obj_attributes(bfd) (elf_tdata (bfd) -> known_obj_attributes)
#define elf_other_obj_attributes(bfd) (elf_tdata (bfd) -> other_obj_attributes)
#define elf_known_obj_attributes_proc(bfd) \
(bfd *, bfd *);
extern bfd_boolean _bfd_elf_print_private_bfd_data
(bfd *, void *);
+const char * _bfd_elf_get_symbol_version_string
+ (bfd *, asymbol *, bfd_boolean *);
extern void bfd_elf_print_symbol
(bfd *, void *, asymbol *, bfd_print_symbol_type);
(bfd *input_bfd, struct bfd_link_info *info, asection *eh_frame_section);
extern enum elf_reloc_type_class _bfd_elf_reloc_type_class
- (const Elf_Internal_Rela *);
+ (const struct bfd_link_info *, const asection *,
+ const Elf_Internal_Rela *);
extern bfd_vma _bfd_elf_rela_local_sym
(bfd *, Elf_Internal_Sym *, asection **, Elf_Internal_Rela *);
extern bfd_vma _bfd_elf_rel_local_sym
extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create
(bfd *);
extern void _bfd_elf_link_hash_table_free
- (struct bfd_link_hash_table *);
+ (bfd *);
extern void _bfd_elf_link_hash_copy_indirect
(struct bfd_link_info *, struct elf_link_hash_entry *,
struct elf_link_hash_entry *);
extern bfd_boolean _bfd_elf_set_arch_mach
(bfd *, enum bfd_architecture, unsigned long);
extern bfd_boolean _bfd_elf_find_nearest_line
- (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
- unsigned int *);
-extern bfd_boolean _bfd_elf_find_nearest_line_discriminator
- (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
- unsigned int *, unsigned int *);
+ (bfd *, asymbol **, asection *, bfd_vma,
+ const char **, const char **, unsigned int *, unsigned int *);
extern bfd_boolean _bfd_elf_find_line
(bfd *, asymbol **, asymbol *, const char **, unsigned int *);
-extern bfd_boolean _bfd_elf_find_line_discriminator
- (bfd *, asymbol **, asymbol *, const char **, unsigned int *, unsigned int *);
-#define _bfd_generic_find_line _bfd_elf_find_line
-#define _bfd_generic_find_nearest_line_discriminator \
- _bfd_elf_find_nearest_line_discriminator
extern bfd_boolean _bfd_elf_find_inliner_info
(bfd *, const char **, const char **, unsigned int *);
+extern bfd_boolean _bfd_elf_find_function
+ (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **);
#define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
#define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
extern int _bfd_elf_sizeof_headers
(bfd *, struct bfd_link_info *);
extern bfd_boolean _bfd_elf_new_section_hook
(bfd *, asection *);
-extern bfd_boolean _bfd_elf_init_reloc_shdr
- (bfd *, struct bfd_elf_section_reloc_data *, asection *, bfd_boolean);
extern const struct bfd_elf_special_section *_bfd_elf_get_special_section
(const char *, const struct bfd_elf_special_section *, unsigned int);
extern const struct bfd_elf_special_section *_bfd_elf_get_sec_type_attr
extern void _bfd_elf_strtab_finalize
(struct elf_strtab_hash *);
-extern void _bfd_elf_begin_eh_frame_parsing
- (struct bfd_link_info *info);
+extern bfd_boolean bfd_elf_parse_eh_frame_entries
+ (bfd *, struct bfd_link_info *);
+extern bfd_boolean _bfd_elf_parse_eh_frame_entry
+ (struct bfd_link_info *, asection *, struct elf_reloc_cookie *);
extern void _bfd_elf_parse_eh_frame
(bfd *, struct bfd_link_info *, asection *, struct elf_reloc_cookie *);
-extern void _bfd_elf_end_eh_frame_parsing
+extern bfd_boolean _bfd_elf_end_eh_frame_parsing
(struct bfd_link_info *info);
extern bfd_boolean _bfd_elf_discard_section_eh_frame
(bfd *, struct bfd_link_info *, asection *, bfd_vma);
extern bfd_boolean _bfd_elf_write_section_eh_frame
(bfd *, struct bfd_link_info *, asection *, bfd_byte *);
+bfd_boolean _bfd_elf_write_section_eh_frame_entry
+ (bfd *, struct bfd_link_info *, asection *, bfd_byte *);
+extern bfd_boolean _bfd_elf_fixup_eh_frame_hdr (struct bfd_link_info *);
extern bfd_boolean _bfd_elf_write_section_eh_frame_hdr
(bfd *, struct bfd_link_info *);
extern bfd_boolean _bfd_elf_eh_frame_present
(struct bfd_link_info *);
+extern bfd_boolean _bfd_elf_eh_frame_entry_present
+ (struct bfd_link_info *);
extern bfd_boolean _bfd_elf_maybe_strip_eh_frame_hdr
(struct bfd_link_info *);
-extern bfd_boolean _bfd_elf_merge_symbol
- (bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *,
- asection **, bfd_vma *, bfd_boolean *, unsigned int *,
- struct elf_link_hash_entry **, bfd_boolean *,
- bfd_boolean *, bfd_boolean *, bfd_boolean *);
-
extern bfd_boolean _bfd_elf_hash_symbol (struct elf_link_hash_entry *);
extern long _bfd_elf_link_lookup_local_dynindx
(struct bfd_link_info *, bfd *, long);
extern bfd_boolean _bfd_elf_compute_section_file_positions
(bfd *, struct bfd_link_info *);
-extern void _bfd_elf_assign_file_positions_for_relocs
- (bfd *);
extern file_ptr _bfd_elf_assign_file_position_for_section
(Elf_Internal_Shdr *, file_ptr, bfd_boolean);
(bfd *, struct bfd_link_info *);
extern bfd_boolean _bfd_elf_create_got_section
(bfd *, struct bfd_link_info *);
+extern asection *_bfd_elf_section_for_symbol
+ (struct elf_reloc_cookie *, unsigned long, bfd_boolean);
extern struct elf_link_hash_entry *_bfd_elf_define_linkage_sym
(bfd *, struct bfd_link_info *, asection *, const char *);
extern void _bfd_elf_init_1_index_section
struct elf_link_hash_entry **);
extern bfd_boolean _bfd_elf_adjust_dynamic_copy
- (struct elf_link_hash_entry *, asection *);
+ (struct bfd_link_info *, struct elf_link_hash_entry *, asection *);
extern bfd_boolean _bfd_elf_dynamic_symbol_p
(struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean);
extern bfd_boolean _bfd_elf_setup_sections
(bfd *);
-extern void _bfd_elf_set_osabi (bfd * , struct bfd_link_info *);
+extern void _bfd_elf_post_process_headers (bfd * , struct bfd_link_info *);
extern const bfd_target *bfd_elf32_object_p
(bfd *);
extern bfd_boolean _bfd_elf_relocs_compatible
(const bfd_target *, const bfd_target *);
+extern bfd_boolean _bfd_elf_notice_as_needed
+ (bfd *, struct bfd_link_info *, enum notice_asneeded_action);
extern struct elf_link_hash_entry *_bfd_elf_archive_symbol_lookup
(bfd *, struct bfd_link_info *, const char *);
extern bfd_size_type _bfd_elf_maybe_function_sym (const asymbol *, asection *,
bfd_vma *);
+extern asection *_bfd_elf_get_reloc_section (asection *);
+
extern int bfd_elf_get_default_section_type (flagword);
extern bfd_boolean bfd_elf_lookup_section_flags
(bfd *, char *, int *, const void *, int);
extern char *elfcore_write_s390_system_call
(bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_s390_tdb
+ (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_s390_vxrs_low
+ (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_s390_vxrs_high
+ (bfd *, char *, int *, const void *, int);
extern char *elfcore_write_arm_vfp
(bfd *, char *, int *, const void *, int);
extern char *elfcore_write_aarch_tls
(bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *);
extern bfd *_bfd_elf32_bfd_from_remote_memory
- (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
+ (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep,
int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type));
extern bfd *_bfd_elf64_bfd_from_remote_memory
- (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
+ (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep,
int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type));
extern bfd_vma bfd_elf_obj_attr_size (bfd *);
extern bfd_boolean _bfd_elf_create_ifunc_sections
(bfd *, struct bfd_link_info *);
-extern asection * _bfd_elf_create_ifunc_dyn_reloc
- (bfd *, struct bfd_link_info *, asection *sec, asection *sreloc,
- struct elf_dyn_relocs **);
extern bfd_boolean _bfd_elf_allocate_ifunc_dyn_relocs
(struct bfd_link_info *, struct elf_link_hash_entry *,
- struct elf_dyn_relocs **, unsigned int, unsigned int);
+ struct elf_dyn_relocs **, unsigned int, unsigned int, unsigned int);
+extern long _bfd_elf_ifunc_get_synthetic_symtab
+ (bfd *, long, asymbol **, long, asymbol **, asymbol **, asection *,
+ bfd_vma *(*) (bfd *, asymbol **, asection *, asection *));
extern void elf_append_rela (bfd *, asection *, Elf_Internal_Rela *);
extern void elf_append_rel (bfd *, asection *, Elf_Internal_Rela *);
#define RELOC_FOR_GLOBAL_SYMBOL(info, input_bfd, input_section, rel, \
r_symndx, symtab_hdr, sym_hashes, \
h, sec, relocation, \
- unresolved_reloc, warned) \
+ unresolved_reloc, warned, ignored) \
do \
{ \
/* It seems this can happen with erroneous or unsupported \
\
h = sym_hashes[r_symndx - symtab_hdr->sh_info]; \
\
+ if (info->wrap_hash != NULL \
+ && (input_section->flags & SEC_DEBUGGING) != 0) \
+ h = ((struct elf_link_hash_entry *) \
+ unwrap_hash_lookup (info, input_bfd, &h->root)); \
+ \
while (h->root.type == bfd_link_hash_indirect \
|| h->root.type == bfd_link_hash_warning) \
h = (struct elf_link_hash_entry *) h->root.u.i.link; \
\
warned = FALSE; \
+ ignored = FALSE; \
unresolved_reloc = FALSE; \
relocation = 0; \
if (h->root.type == bfd_link_hash_defined \
; \
else if (info->unresolved_syms_in_objects == RM_IGNORE \
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) \
- ; \
+ ignored = TRUE; \
else if (!info->relocatable) \
{ \
bfd_boolean err; \
} \
(void) unresolved_reloc; \
(void) warned; \
+ (void) ignored; \
} \
while (0)
rel_hdr = _bfd_elf_single_rel_hdr (input_section->output_section); \
\
/* Avoid empty output section. */ \
- if (rel_hdr->sh_size > count * rel_hdr->sh_entsize) \
+ if (rel_hdr->sh_size > rel_hdr->sh_entsize) \
{ \
- rel_hdr->sh_size -= count * rel_hdr->sh_entsize; \
+ rel_hdr->sh_size -= rel_hdr->sh_entsize; \
rel_hdr = _bfd_elf_single_rel_hdr (input_section); \
- rel_hdr->sh_size -= count * rel_hdr->sh_entsize; \
+ rel_hdr->sh_size -= rel_hdr->sh_entsize; \
\
memmove (rel, rel + count, \
(relend - rel - count) * sizeof (*rel)); \
\
- input_section->reloc_count -= count; \
+ input_section->reloc_count--; \
relend -= count; \
rel--; \
continue; \
(!(H)->unique_global \
&& ((INFO)->symbolic || ((INFO)->dynamic && !(H)->dynamic)))
+#ifdef __cplusplus
+}
+#endif
#endif /* _LIBELF_H_ */
projects / deliverable / binutils-gdb.git / blobdiff