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* bfdlink.h (enum bfd_link_hash_type): Rename bfd_link_hash_weak

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to bfd_link_hash_undefweak.  Add bfd_link_hash_defweak.
This commit is contained in:
Ian Lance Taylor 1995-02-06 19:56:27 +00:00
parent 38713e1885
commit ebc4ca90f9
2 changed files with 41 additions and 20 deletions
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12
include/ChangeLog
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@ -1,6 +1,16 @@
Mon Feb 6 14:55:32 1995 Ian Lance Taylor <ian@cygnus.com>
* bfdlink.h (enum bfd_link_hash_type): Rename bfd_link_hash_weak
to bfd_link_hash_undefweak. Add bfd_link_hash_defweak.
Mon Jan 16 21:00:23 1995 Stan Shebs <shebs@andros.cygnus.com>
* dis-asm.h (GDB_INIT_DISASSEMBLE_INFO, etc): Remove all
GDB-specific definitions.
Sun Jan 15 18:39:35 1995 Steve Chamberlain <sac@splat>
* dis-asm.h (prin_insn_w65): Declare.
* dis-asm.h (print_insn_w65): Declare.
Thu Jan 12 17:51:17 1995 Ken Raeburn <raeburn@cujo.cygnus.com>

49
include/bfdlink.h
View file

@ -46,8 +46,9 @@ enum bfd_link_hash_type
{
bfd_link_hash_new, /* Symbol is new. */
bfd_link_hash_undefined, /* Symbol seen before, but undefined. */
bfd_link_hash_weak, /* Symbol is weak and undefined. */
bfd_link_hash_undefweak, /* Symbol is weak and undefined. */
bfd_link_hash_defined, /* Symbol is defined. */
bfd_link_hash_defweak, /* Symbol is weak and defined. */
bfd_link_hash_common, /* Symbol is common. */
bfd_link_hash_indirect, /* Symbol is an indirect link. */
bfd_link_hash_warning /* Like indirect, but warn if referenced. */
@ -75,23 +76,23 @@ struct bfd_link_hash_entry
Weak symbols are not kept on this list.
Defined symbols use this field as a reference marker. If the
field is not NULL, or this structure is the tail of the undefined
symbol list, the symbol has been referenced. If the symbol is
undefined and becomes defined, this field will automatically be
non-NULL since the symbol will have been on the undefined symbol
list. */
Defined and defweak symbols use this field as a reference marker.
If the field is not NULL, or this structure is the tail of the
undefined symbol list, the symbol has been referenced. If the
symbol is undefined and becomes defined, this field will
automatically be non-NULL since the symbol will have been on the
undefined symbol list. */
struct bfd_link_hash_entry *next;
/* A union of information depending upon the type. */
union
{
/* Nothing is kept for bfd_hash_new. */
/* bfd_link_hash_undefined, bfd_link_hash_weak. */
/* bfd_link_hash_undefined, bfd_link_hash_undefweak. */
struct
{
bfd *abfd; /* BFD symbol was found in. */
} undef;
/* bfd_link_hash_defined. */
/* bfd_link_hash_defined, bfd_link_hash_defweak. */
struct
{
bfd_vma value; /* Symbol value. */
@ -106,8 +107,16 @@ struct bfd_link_hash_entry
/* bfd_link_hash_common. */
struct
{
bfd_vma size; /* Common symbol size. */
asection *section; /* Symbol section. */
/* The linker needs to know three things about common
symbols: the size, the alignment, and the section in
which the symbol should be placed. On the assumption
that a single common symbol will not take up incredible
amounts of memory, we pack the size and the alignment
into the space of a single integer. The alignment is
stored as a power of two. */
unsigned int alignment_power : 6; /* Alignment. */
unsigned int size : 26; /* Common symbol size. */
asection *section; /* Symbol section. */
} c;
} u;
};
@ -123,7 +132,7 @@ struct bfd_link_hash_table
type of the entries in the hash table, which is sometimes
important information when linking object files of different
types together. */
bfd_target *creator;
const bfd_target *creator;
/* A linked list of undefined and common symbols, linked through the
next field in the bfd_link_hash_entry structure. */
struct bfd_link_hash_entry *undefs;
@ -220,13 +229,15 @@ struct bfd_link_callbacks
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. OTYPE is the type of the
existing symbol, either bfd_link_hash_defined or
bfd_link_hash_common. If OTYPE is bfd_link_hash_common, OSIZE is
the size of the existing symbol. NBFD is the BFD of the new
symbol. NTYPE is the type of the new symbol, either
bfd_link_hash_defined or bfd_link_hash_common. If NTYPE is
bfd_link_hash_common, NSIZE is the size of the new symbol. */
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.
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. */
boolean (*multiple_common) PARAMS ((struct bfd_link_info *,
const char *name,
bfd *obfd,