/* bfdlink.h -- header file for BFD link routines
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
bfd_link_hash_warning /* Like indirect, but warn if referenced. */
};
-enum bfd_link_common_skip_ar_aymbols
+enum bfd_link_common_skip_ar_symbols
{
bfd_link_common_skip_none,
bfd_link_common_skip_text,
bfd_link_common_skip_all
};
+struct bfd_link_hash_common_entry
+ {
+ unsigned int alignment_power; /* Alignment. */
+ asection *section; /* Symbol section. */
+ };
+
/* The linking routines use a hash table which uses this structure for
its elements. */
struct bfd_hash_entry root;
/* Type of this entry. */
- enum bfd_link_hash_type type;
+ ENUM_BITFIELD (bfd_link_hash_type) type : 8;
+
+ unsigned int non_ir_ref : 1;
/* A union of information depending upon the type. */
union
undefined symbol list. */
struct bfd_link_hash_entry *next;
bfd *abfd; /* BFD symbol was found in. */
- bfd *weak; /* BFD weak symbol was found in. */
} undef;
/* bfd_link_hash_defined, bfd_link_hash_defweak. */
struct
directly because we don't want to increase the size of
the union; this structure is a major space user in the
linker. */
- struct bfd_link_hash_common_entry
- {
- unsigned int alignment_power; /* Alignment. */
- asection *section; /* Symbol section. */
- } *p;
+ struct bfd_link_hash_common_entry *p;
bfd_size_type size; /* Common symbol size. */
} c;
} u;
extern void bfd_link_repair_undef_list
(struct bfd_link_hash_table *table);
+/* Read symbols and cache symbol pointer array in outsymbols. */
+extern bfd_boolean bfd_generic_link_read_symbols (bfd *);
+
struct bfd_sym_chain
{
struct bfd_sym_chain *next;
/* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */
unsigned int warn_shared_textrel: 1;
+ /* TRUE if we should warn alternate ELF machine code. */
+ unsigned int warn_alternate_em: 1;
+
/* TRUE if unreferenced sections should be removed. */
unsigned int gc_sections: 1;
--dynamic-list command line options. */
unsigned int dynamic: 1;
+ /* FALSE if .eh_frame unwind info should be generated for PLT and other
+ linker created sections, TRUE if it should be omitted. */
+ unsigned int no_ld_generated_unwind_info: 1;
+
/* Non-NULL if .note.gnu.build-id section should be created. */
char *emit_note_gnu_build_id;
/* Which local symbols to discard. */
enum bfd_link_discard discard;
- /* Criteria for skipping symbols when detemining
+ /* Criteria for skipping symbols when determining
whether to include an object from an archive. */
- enum bfd_link_common_skip_ar_aymbols common_skip_ar_aymbols;
+ enum bfd_link_common_skip_ar_symbols common_skip_ar_symbols;
/* Char that may appear as the first char of a symbol, but should be
skipped (like symbol_leading_char) when looking up symbols in
/* A function which is called when an object is added from an
archive. ABFD is the archive element being added. NAME is the
name of the symbol which caused the archive element to be pulled
- in. */
+ in. This function may set *SUBSBFD to point to an alternative
+ BFD from which symbols should in fact be added in place of the
+ original BFD's symbols. */
bfd_boolean (*add_archive_element)
- (struct bfd_link_info *, bfd *abfd, const char *name);
+ (struct bfd_link_info *, bfd *abfd, const char *name, bfd **subsbfd);
/* A function which is called when a symbol is found with multiple
- definitions. NAME is the symbol which is defined multiple times.
- OBFD is the old BFD, OSEC is the old section, OVAL is the old
- value, NBFD is the new BFD, NSEC is the new section, and NVAL is
- the new value. OBFD may be NULL. OSEC and NSEC may be
- bfd_com_section or bfd_ind_section. */
+ definitions. H is the symbol which is defined multiple times.
+ NBFD is the new BFD, NSEC is the new section, and NVAL is the new
+ value. NSEC may be bfd_com_section or bfd_ind_section. */
bfd_boolean (*multiple_definition)
- (struct bfd_link_info *, const char *name,
- bfd *obfd, asection *osec, bfd_vma oval,
+ (struct bfd_link_info *, struct bfd_link_hash_entry *h,
bfd *nbfd, asection *nsec, bfd_vma nval);
/* A function which is called when a common symbol is defined
- multiple times. NAME is the symbol appearing multiple times.
- OBFD is the BFD of the existing symbol; it may be NULL if this is
- not known. OTYPE is the type of the existing symbol, which may
- be bfd_link_hash_defined, bfd_link_hash_defweak,
- bfd_link_hash_common, or bfd_link_hash_indirect. If OTYPE is
- bfd_link_hash_common, OSIZE is the size of the existing symbol.
+ multiple times. H is the symbol appearing multiple times.
NBFD is the BFD of the new symbol. NTYPE is the type of the new
symbol, one of bfd_link_hash_defined, bfd_link_hash_common, or
bfd_link_hash_indirect. If NTYPE is bfd_link_hash_common, NSIZE
is the size of the new symbol. */
bfd_boolean (*multiple_common)
- (struct bfd_link_info *, const char *name,
- bfd *obfd, enum bfd_link_hash_type otype, bfd_vma osize,
+ (struct bfd_link_info *, struct bfd_link_hash_entry *h,
bfd *nbfd, enum bfd_link_hash_type ntype, bfd_vma nsize);
/* A function which is called to add a symbol to a set. ENTRY is
the link hash table entry for the set itself (e.g.,
/* A function which is called when a relocation is attempted against
an undefined symbol. NAME is the symbol which is undefined.
ABFD, SECTION and ADDRESS identify the location from which the
- reference is made. FATAL indicates whether an undefined symbol is
+ reference is made. IS_FATAL indicates whether an undefined symbol is
a fatal error or not. In some cases SECTION may be NULL. */
bfd_boolean (*undefined_symbol)
(struct bfd_link_info *, const char *name, bfd *abfd,
- asection *section, bfd_vma address, bfd_boolean fatal);
+ asection *section, bfd_vma address, bfd_boolean is_fatal);
/* A function which is called when a reloc overflow occurs. ENTRY is
the link hash table entry for the symbol the reloc is against.
NAME is the name of the local symbol or section the reloc is
(struct bfd_link_info *, const char *name,
bfd *abfd, asection *section, bfd_vma address);
/* A function which is called when a symbol in notice_hash is
- defined or referenced. NAME is the symbol. ABFD, SECTION and
- ADDRESS are the value of the symbol. If SECTION is
- bfd_und_section, this is a reference. */
+ defined or referenced. H is the symbol. ABFD, SECTION and
+ ADDRESS are the (new) value of the symbol. If SECTION is
+ bfd_und_section, this is a reference. FLAGS are the symbol
+ BSF_* flags. STRING is the name of the symbol to indirect to if
+ the sym is indirect, or the warning string if a warning sym. */
bfd_boolean (*notice)
- (struct bfd_link_info *, const char *name,
- bfd *abfd, asection *section, bfd_vma address);
+ (struct bfd_link_info *, struct bfd_link_hash_entry *h,
+ bfd *abfd, asection *section, bfd_vma address, flagword flags,
+ const char *string);
/* Error or warning link info message. */
void (*einfo)
(const char *fmt, ...);
struct bfd_elf_version_expr *next;
/* Glob pattern. */
const char *pattern;
- /* NULL for a glob pattern, otherwise a straight symbol. */
- const char *symbol;
+ /* Set if pattern is not a glob. */
+ unsigned int literal : 1;
/* Defined by ".symver". */
unsigned int symver : 1;
/* Defined by version script. */
projects / deliverable / binutils-gdb.git / blobdiff