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* symbols.c (symbol_new): Symbol value is type valueT. 

(S_SET_VALUE, S_GET_VALUE): Likewise.
(S_IS_*): Specify int return type explicitly.
* symbols.h (symbol_new, S_GET_VALUE, S_SET_VALUE): Fixed prototypes.
This commit is contained in:
Ken Raeburn 1993-07-07 16:25:37 +00:00
parent bd4d4b8aca
commit 2b68b820a9
2 changed files with 328 additions and 250 deletions
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485
gas/symbols.c
View File

@ -1,6 +1,6 @@
/* symbols.c -symbol table-
Copyright (C) 1987, 1990, 1991, 1992 Free Software Foundation, Inc.
Copyright (C) 1987, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -18,6 +18,8 @@
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define DEBUG
#include <ctype.h>
#include "as.h"
@ -28,13 +30,9 @@
#ifndef WORKING_DOT_WORD
extern int new_broken_words;
#endif
#ifdef VMS
extern char const_flag;
#endif
static
struct hash_control *
sy_hash; /* symbol-name => struct symbol pointer */
/* symbol-name => struct symbol pointer */
static struct hash_control *sy_hash;
/* Below are commented in "symbols.h". */
symbolS *symbol_rootP;
@ -56,7 +54,12 @@ symbol_begin ()
symbol_rootP = NULL; /* In case we have 0 symbols (!!) */
sy_hash = hash_new ();
memset ((char *) (&abs_symbol), '\0', sizeof (abs_symbol));
S_SET_SEGMENT (&abs_symbol, SEG_ABSOLUTE); /* Can't initialise a union. Sigh. */
#ifdef BFD_ASSEMBLER
abs_symbol.bsym = bfd_abs_section.symbol;
#else
/* Can't initialise a union. Sigh. */
S_SET_SEGMENT (&abs_symbol, absolute_section);
#endif
#ifdef LOCAL_LABELS_FB
fb_label_init ();
#endif /* LOCAL_LABELS_FB */
@ -81,9 +84,9 @@ symbol_begin ()
symbolS *
symbol_new (name, segment, value, frag)
char *name; /* It is copied, the caller can destroy/modify */
CONST char *name; /* It is copied, the caller can destroy/modify */
segT segment; /* Segment identifier (SEG_<something>) */
long value; /* Symbol value */
valueT value; /* Symbol value */
fragS *frag; /* Associated fragment */
{
unsigned int name_length;
@ -93,42 +96,47 @@ symbol_new (name, segment, value, frag)
name_length = strlen (name) + 1; /* +1 for \0 */
obstack_grow (&notes, name, name_length);
preserved_copy_of_name = obstack_finish (&notes);
#ifdef STRIP_UNDERSCORE
if (preserved_copy_of_name[0] == '_')
preserved_copy_of_name++;
#endif
symbolP = (symbolS *) obstack_alloc (&notes, sizeof (symbolS));
/* symbol must be born in some fixed state. This seems as good as any. */
memset (symbolP, 0, sizeof (symbolS));
#ifdef STRIP_UNDERSCORE
S_SET_NAME (symbolP, (*preserved_copy_of_name == '_'
? preserved_copy_of_name + 1
: preserved_copy_of_name));
#else /* STRIP_UNDERSCORE */
#ifdef BFD_ASSEMBLER
symbolP->bsym = bfd_make_empty_symbol (stdoutput);
assert (symbolP->bsym != 0);
symbolP->bsym->udata = (PTR) symbolP;
#endif
S_SET_NAME (symbolP, preserved_copy_of_name);
#endif /* STRIP_UNDERSCORE */
S_SET_SEGMENT (symbolP, segment);
S_SET_VALUE (symbolP, value);
/* symbol_clear_list_pointers(symbolP); uneeded if symbol is born zeroed. */
symbol_clear_list_pointers(symbolP);
symbolP->sy_frag = frag;
/* krm: uneeded if symbol is born zeroed.
symbolP->sy_forward = NULL; *//* JF */
symbolP->sy_forward = NULL;
#ifndef BFD_ASSEMBLER
symbolP->sy_number = ~0;
symbolP->sy_name_offset = ~0;
#endif
/*
* Link to end of symbol chain.
*/
* Link to end of symbol chain.
*/
symbol_append (symbolP, symbol_lastP, &symbol_rootP, &symbol_lastP);
obj_symbol_new_hook (symbolP);
#ifdef DEBUG
/* verify_symbol_chain(symbol_rootP, symbol_lastP); */
verify_symbol_chain(symbol_rootP, symbol_lastP);
#endif /* DEBUG */
return (symbolP);
} /* symbol_new() */
return symbolP;
}
/*
@ -148,7 +156,8 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
register symbolS *symbolP; /* symbol we are working with */
#ifdef LOCAL_LABELS_DOLLAR
/* Sun local labels go out of scope whenever a non-local symbol is defined. */
/* Sun local labels go out of scope whenever a non-local symbol is
defined. */
if (*sym_name != 'L')
dollar_label_clear ();
@ -162,9 +171,10 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
fragS *frag_tmp;
char *frag_opcode;
extern md_short_jump_size;
extern md_long_jump_size;
possible_bytes = md_short_jump_size + new_broken_words * md_long_jump_size;
extern const int md_short_jump_size;
extern const int md_long_jump_size;
possible_bytes = (md_short_jump_size
+ new_broken_words * md_long_jump_size);
frag_tmp = frag_now;
frag_opcode = frag_var (rs_broken_word,
@ -176,8 +186,11 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
NULL);
/* We want to store the pointer to where to insert the jump table in the
fr_opcode of the rs_broken_word frag. This requires a little hackery */
while (frag_tmp && (frag_tmp->fr_type != rs_broken_word || frag_tmp->fr_opcode))
fr_opcode of the rs_broken_word frag. This requires a little
hackery. */
while (frag_tmp
&& (frag_tmp->fr_type != rs_broken_word
|| frag_tmp->fr_opcode))
frag_tmp = frag_tmp->fr_next;
know (frag_tmp);
frag_tmp->fr_opcode = frag_opcode;
@ -190,40 +203,22 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
if ((symbolP = symbol_find (sym_name)) != 0)
{
#ifdef VMS
/*
* If the new symbol is .comm AND it has a size of zero,
* we ignore it (i.e. the old symbol overrides it)
*/
if ((SEGMENT_TO_SYMBOL_TYPE ((int) now_seg) == (N_UNDF | N_EXT)) &&
((obstack_next_free (&frags) - frag_now->fr_literal) == 0))
#ifdef RESOLVE_SYMBOL_REDEFINITION
if (RESOLVE_SYMBOL_REDEFINITION (symbolP))
return;
#endif
/*
* If the old symbol is .comm and it has a size of zero,
* we override it with the new symbol value.
*/
if ((symbolP->sy_type == (N_UNDF | N_EXT))
&& (S_GET_VALUE (symbolP) == 0))
{
symbolP->sy_frag = frag_now;
symbolP->sy_other = const_flag;
S_SET_VALUE (symbolP, obstack_next_free (&frags) - frag_now->fr_literal);
symbolP->sy_type |= SEGMENT_TO_SYMBOL_TYPE ((int) now_seg); /* keep N_EXT bit */
return;
}
#endif /* VMS */
/*
* Now check for undefined symbols
*/
* Now check for undefined symbols
*/
if (!S_IS_DEFINED (symbolP))
{
if (S_GET_VALUE (symbolP) == 0)
{
symbolP->sy_frag = frag_now;
#ifdef VMS
symbolP->sy_other = const_flag;
#ifdef OBJ_VMS
S_GET_OTHER(symbolP) = const_flag;
#endif
S_SET_VALUE (symbolP, obstack_next_free (&frags) - frag_now->fr_literal);
S_SET_VALUE (symbolP, (valueT) ((char*)obstack_next_free (&frags) - frag_now->fr_literal));
S_SET_SEGMENT (symbolP, now_seg);
#ifdef N_UNDF
know (N_UNDF == 0);
@ -233,43 +228,38 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
else
{
/*
* There are still several cases to check:
* A .comm/.lcomm symbol being redefined as
* initialized data is OK
* A .comm/.lcomm symbol being redefined with
* a larger size is also OK
*
* This only used to be allowed on VMS gas, but Sun cc
* on the sparc also depends on it.
*/
/* char New_Type = SEGMENT_TO_SYMBOL_TYPE((int) now_seg); */
#ifdef MANY_SEGMENTS
#define SEG_BSS SEG_E2
#define SEG_DATA SEG_E1
#endif
* There are still several cases to check:
* A .comm/.lcomm symbol being redefined as
* initialized data is OK
* A .comm/.lcomm symbol being redefined with
* a larger size is also OK
*
* This only used to be allowed on VMS gas, but Sun cc
* on the sparc also depends on it.
*/
if (((!S_IS_DEBUG (symbolP) && !S_IS_DEFINED (symbolP) && S_IS_EXTERNAL (symbolP))
|| (S_GET_SEGMENT (symbolP) == SEG_BSS))
&& ((now_seg == SEG_DATA)
|| (now_seg == S_GET_SEGMENT (symbolP))))
if (((!S_IS_DEBUG (symbolP)
&& !S_IS_DEFINED (symbolP)
&& S_IS_EXTERNAL (symbolP))
|| S_GET_SEGMENT (symbolP) == bss_section)
&& (now_seg == data_section
|| now_seg == S_GET_SEGMENT (symbolP)))
{
/*
* Select which of the 2 cases this is
*/
if (now_seg != SEG_DATA)
* Select which of the 2 cases this is
*/
if (now_seg != data_section)
{
/*
* New .comm for prev .comm symbol.
* If the new size is larger we just
* change its value. If the new size
* is smaller, we ignore this symbol
*/
* New .comm for prev .comm symbol.
* If the new size is larger we just
* change its value. If the new size
* is smaller, we ignore this symbol
*/
if (S_GET_VALUE (symbolP)
< ((unsigned) (obstack_next_free (&frags) - frag_now->fr_literal)))
< ((unsigned) frag_now_fix ()))
{
S_SET_VALUE (symbolP,
obstack_next_free (&frags) -
frag_now->fr_literal);
S_SET_VALUE (symbolP, (valueT) frag_now_fix ());
}
}
else
@ -277,27 +267,27 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
/* It is a .comm/.lcomm being converted to initialized
data. */
symbolP->sy_frag = frag_now;
#ifdef VMS
symbolP->sy_other = const_flag;
#endif /* VMS */
S_SET_VALUE (symbolP, obstack_next_free (&frags) - frag_now->fr_literal);
#ifdef OBJ_VMS
S_GET_OTHER(symbolP) = const_flag;
#endif /* OBJ_VMS */
S_SET_VALUE (symbolP, (valueT) frag_now_fix ());
S_SET_SEGMENT (symbolP, now_seg); /* keep N_EXT bit */
}
}
else
{
#ifdef OBJ_COFF
#if defined (S_GET_OTHER) && defined (S_GET_DESC)
as_fatal ("Symbol \"%s\" is already defined as \"%s\"/%d.%d.%ld.",
sym_name,
segment_name (S_GET_SEGMENT (symbolP)),
S_GET_OTHER (symbolP), S_GET_DESC (symbolP),
(long) S_GET_VALUE (symbolP));
#else
as_fatal ("Symbol \"%s\" is already defined as \"%s\"/%d.",
sym_name,
segment_name (S_GET_SEGMENT (symbolP)),
S_GET_VALUE (symbolP));
#else /* OBJ_COFF */
as_fatal ("Symbol \"%s\" is already defined as \"%s\"/%d.%d.%d.",
sym_name,
segment_name (S_GET_SEGMENT (symbolP)),
S_GET_OTHER (symbolP), S_GET_DESC (symbolP),
S_GET_VALUE (symbolP));
#endif /* OBJ_COFF */
#endif
}
} /* if the undefined symbol has no value */
}
@ -305,7 +295,7 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
{
/* Don't blow up if the definition is the same */
if (!(frag_now == symbolP->sy_frag
&& S_GET_VALUE (symbolP) == obstack_next_free (&frags) - frag_now->fr_literal
&& S_GET_VALUE (symbolP) == (char*)obstack_next_free (&frags) - frag_now->fr_literal
&& S_GET_SEGMENT (symbolP) == now_seg))
as_fatal ("Symbol %s already defined.", sym_name);
} /* if this symbol is not yet defined */
@ -315,14 +305,17 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
{
symbolP = symbol_new (sym_name,
now_seg,
(valueT) (obstack_next_free (&frags) - frag_now->fr_literal),
(valueT) ((char*)obstack_next_free (&frags) - frag_now->fr_literal),
frag_now);
#ifdef VMS
#ifdef OBJ_VMS
S_SET_OTHER (symbolP, const_flag);
#endif /* VMS */
#endif /* OBJ_VMS */
symbol_table_insert (symbolP);
} /* if we have seen this symbol before */
#ifdef TC_HPPA
pa_define_label(symbolP);
#endif
return;
} /* colon() */
@ -377,20 +370,15 @@ symbol_find_or_make (name)
symbolS *
symbol_make (name)
char *name;
CONST char *name;
{
symbolS *symbolP;
/* Let the machine description default it, e.g. for register names. */
symbolP = md_undefined_symbol (name);
symbolP = md_undefined_symbol ((char *) name);
if (!symbolP)
{
symbolP = symbol_new (name,
SEG_UNKNOWN,
0,
&zero_address_frag);
} /* if md didn't build us a symbol */
symbolP = symbol_new (name, undefined_section, (valueT) 0, &zero_address_frag);
return (symbolP);
} /* symbol_make() */
@ -406,7 +394,7 @@ symbol_make (name)
symbolS *
symbol_find (name)
char *name;
CONST char *name;
{
#ifdef STRIP_UNDERSCORE
return (symbol_find_base (name, 1));
@ -417,7 +405,7 @@ symbol_find (name)
symbolS *
symbol_find_base (name, strip_underscore)
char *name;
CONST char *name;
int strip_underscore;
{
if (strip_underscore && *name == '_')
@ -468,13 +456,7 @@ symbol_append (addme, target, rootPP, lastPP)
#ifdef SYMBOLS_NEED_BACKPOINTERS
addme->sy_previous = target;
#endif /* SYMBOLS_NEED_BACKPOINTERS */
#ifdef DEBUG
/* verify_symbol_chain(*rootPP, *lastPP); */
#endif /* DEBUG */
return;
} /* symbol_append() */
}
#ifdef SYMBOLS_NEED_BACKPOINTERS
/* Remove SYMBOLP from the list. */
@ -507,9 +489,7 @@ symbol_remove (symbolP, rootPP, lastPP)
#ifdef DEBUG
verify_symbol_chain (*rootPP, *lastPP);
#endif /* DEBUG */
return;
} /* symbol_remove() */
}
/* Set the chain pointers of SYMBOL to null. */
void
@ -518,7 +498,7 @@ symbol_clear_list_pointers (symbolP)
{
symbolP->sy_next = NULL;
symbolP->sy_previous = NULL;
} /* symbol_clear_list_pointers() */
}
/* Link symbol ADDME before symbol TARGET in the chain. */
void
@ -545,9 +525,7 @@ symbol_insert (addme, target, rootPP, lastPP)
#ifdef DEBUG
verify_symbol_chain (*rootPP, *lastPP);
#endif /* DEBUG */
return;
} /* symbol_insert() */
}
#endif /* SYMBOLS_NEED_BACKPOINTERS */
@ -559,29 +537,34 @@ verify_symbol_chain (rootP, lastP)
symbolS *symbolP = rootP;
if (symbolP == NULL)
{
return;
} /* empty chain */
return;
for (; symbol_next (symbolP) != NULL; symbolP = symbol_next (symbolP))
{
#ifdef SYMBOLS_NEED_BACKPOINTERS
/*$if (symbolP->sy_previous) {
know(symbolP->sy_previous->sy_next == symbolP);
} else {
know(symbolP == rootP);
}$*//* both directions */
know (symbolP->sy_next->sy_previous == symbolP);
#else /* SYMBOLS_NEED_BACKPOINTERS */
;
#else
/* Walk the list anyways, to make sure pointers are still good. */
*symbolP;
#endif /* SYMBOLS_NEED_BACKPOINTERS */
} /* verify pointers */
}
know (lastP == symbolP);
return;
} /* verify_symbol_chain() */
assert (lastP == symbolP);
}
void
verify_symbol_chain_2 (sym)
symbolS *sym;
{
symbolS *p = sym, *n = sym;
#ifdef SYMBOLS_NEED_BACKPOINTERS
while (symbol_previous (p))
p = symbol_previous (p);
#endif
while (symbol_next (n))
n = symbol_next (n);
verify_symbol_chain (p, n);
}
#ifdef LOCAL_LABELS_DOLLAR
@ -592,11 +575,11 @@ verify_symbol_chain (rootP, lastP)
the instance number, keep a list of defined symbols separate from the real
symbol table, and we treat these buggers as a sparse array. */
static long *dollar_labels = NULL;
static long *dollar_label_instances = NULL;
static char *dollar_label_defines = NULL;
static long dollar_label_count = 0;
static long dollar_label_max = 0;
static long *dollar_labels;
static long *dollar_label_instances;
static char *dollar_label_defines;
static long dollar_label_count;
static long dollar_label_max;
int
dollar_label_defined (label)
@ -607,15 +590,11 @@ dollar_label_defined (label)
know ((dollar_labels != NULL) || (dollar_label_count == 0));
for (i = dollar_labels; i < dollar_labels + dollar_label_count; ++i)
{
if (*i == label)
{
return (dollar_label_defines[i - dollar_labels]);
} /* found it */
} /* look for label */
if (*i == label)
return dollar_label_defines[i - dollar_labels];
/* if we get here, label isn't defined */
return (0);
return 0;
} /* dollar_label_defined() */
static int
@ -627,24 +606,19 @@ dollar_label_instance (label)
know ((dollar_labels != NULL) || (dollar_label_count == 0));
for (i = dollar_labels; i < dollar_labels + dollar_label_count; ++i)
{
if (*i == label)
{
return (dollar_label_instances[i - dollar_labels]);
} /* found it */
} /* look for (the union :-) label */
if (*i == label)
return (dollar_label_instances[i - dollar_labels]);
/* if we get here, we haven't seen the label before, therefor it's instance
count is zero. */
return (0);
} /* dollar_label_instance() */
/* If we get here, we haven't seen the label before, therefore its instance
count is zero. */
return 0;
}
void
dollar_label_clear ()
{
memset (dollar_label_defines, '\0', dollar_label_count);
return;
} /* clear_dollar_labels() */
}
#define DOLLAR_LABEL_BUMP_BY 10
@ -655,14 +629,12 @@ define_dollar_label (label)
long *i;
for (i = dollar_labels; i < dollar_labels + dollar_label_count; ++i)
{
if (*i == label)
{
++dollar_label_instances[i - dollar_labels];
dollar_label_defines[i - dollar_labels] = 1;
return;
} /* if we find it */
} /* for each existing label */
if (*i == label)
{
++dollar_label_instances[i - dollar_labels];
dollar_label_defines[i - dollar_labels] = 1;
return;
}
/* if we get to here, we don't have label listed yet. */
@ -673,7 +645,6 @@ define_dollar_label (label)
dollar_label_defines = xmalloc (DOLLAR_LABEL_BUMP_BY);
dollar_label_max = DOLLAR_LABEL_BUMP_BY;
dollar_label_count = 0;
}
else if (dollar_label_count == dollar_label_max)
{
@ -689,19 +660,18 @@ define_dollar_label (label)
dollar_label_instances[dollar_label_count] = 1;
dollar_label_defines[dollar_label_count] = 1;
++dollar_label_count;
return;
} /* define_dollar_label() */
}
/*
* dollar_label_name()
*
* Caller must copy returned name: we re-use the area for the next name.
*
* The mth occurence of label n: is turned into the symbol "Ln^Am" where
* n is the label number and m is the instance number. "L" makes it a label discarded
* unless debugging and "^A"('\1') ensures no ordinary symbol SHOULD get the
* same name as a local label symbol. The first "4:" is "L4^A1" - the m
* numbers begin at 1.
* The mth occurence of label n: is turned into the symbol "Ln^Am"
* where n is the label number and m is the instance number. "L" makes
* it a label discarded unless debugging and "^A"('\1') ensures no
* ordinary symbol SHOULD get the same name as a local label
* symbol. The first "4:" is "L4^A1" - the m numbers begin at 1.
*
* fb labels get the same treatment, except that ^B is used in place of ^A.
*/
@ -746,8 +716,8 @@ dollar_label_name (n, augend)
while ((*p++ = *--q) != '\0');;
/* The label, as a '\0' ended string, starts at symbol_name_build. */
return (symbol_name_build);
} /* dollar_label_name() */
return symbol_name_build;
}
#endif /* LOCAL_LABELS_DOLLAR */
@ -855,22 +825,21 @@ fb_label_instance (label)
} /* for each existing label */
/* NOTREACHED */
know (0);
} /* fb_label_instance() */
abort ();
}
/*
* fb_label_name()
*
* Caller must copy returned name: we re-use the area for the next name.
*
* The mth occurence of label n: is turned into the symbol "Ln^Bm" where
* n is the label number and m is the instance number. "L" makes it a label discarded
* unless debugging and "^B"('\2') ensures no ordinary symbol SHOULD get the
* same name as a local label symbol. The first "4:" is "L4^B1" - the m
* numbers begin at 1.
* The mth occurence of label n: is turned into the symbol "Ln^Bm"
* where n is the label number and m is the instance number. "L" makes
* it a label discarded unless debugging and "^B"('\2') ensures no
* ordinary symbol SHOULD get the same name as a local label
* symbol. The first "4:" is "L4^B1" - the m numbers begin at 1.
*
* dollar labels get the same treatment, except that ^A is used in place of ^B.
*/
* dollar labels get the same treatment, except that ^A is used in place of ^B. */
char * /* Return local label name. */
fb_label_name (n, augend)
@ -968,4 +937,136 @@ decode_local_label_name (s)
return (symbol_decode);
} /* decode_local_label_name() */
#ifdef BFD_ASSEMBLER
int
S_IS_EXTERNAL (s)
symbolS *s;
{
flagword flags = s->bsym->flags;
/* sanity check */
if (flags & BSF_LOCAL && flags & (BSF_EXPORT | BSF_GLOBAL))
abort ();
return (flags & (BSF_EXPORT | BSF_GLOBAL)) != 0;
}
int
S_IS_COMMON (s)
symbolS *s;
{
return s->bsym->section == &bfd_com_section;
}
int
S_IS_DEFINED (s)
symbolS *s;
{
return s->bsym->section != undefined_section;
}
int
S_IS_DEBUG (s)
symbolS *s;
{
if (s->bsym->flags & BSF_DEBUGGING)
return 1;
return 0;
}
int
S_IS_LOCAL (s)
symbolS *s;
{
flagword flags = s->bsym->flags;
/* sanity check */
if (flags & BSF_LOCAL && flags & (BSF_EXPORT | BSF_GLOBAL))
abort ();
return (S_GET_NAME (s)
&& ! S_IS_DEBUG (s)
&& (strchr (S_GET_NAME (s), '\001')
|| strchr (S_GET_NAME (s), '\002')
|| (S_LOCAL_NAME (s)
&& !flagseen['L'])));
}
int
S_IS_EXTERN (s)
symbolS *s;
{
return S_IS_EXTERNAL (s);
}
int
S_IS_STABD (s)
symbolS *s;
{
return S_GET_NAME (s) == 0;
}
valueT
S_GET_VALUE (s)
symbolS *s;
{
return s->bsym->value;
}
CONST char *
S_GET_NAME (s)
symbolS *s;
{
return s->bsym->name;
}
segT
S_GET_SEGMENT (s)
symbolS *s;
{
return s->bsym->section;
}
void
S_SET_VALUE (s, val)
symbolS *s;
valueT val;
{
s->bsym->value = val;
}
void
S_SET_SEGMENT (s, seg)
symbolS *s;
segT seg;
{
s->bsym->section = seg;
}
void
S_SET_EXTERNAL (s)
symbolS *s;
{
s->bsym->flags |= BSF_EXPORT | BSF_GLOBAL;
s->bsym->flags &= ~BSF_LOCAL;
}
void
S_CLEAR_EXTERNAL (s)
symbolS *s;
{
s->bsym->flags |= BSF_LOCAL;
s->bsym->flags &= ~(BSF_EXPORT | BSF_GLOBAL);
}
void
S_SET_NAME (s, name)
symbolS *s;
char *name;
{
s->bsym->name = name;
}
#endif /* BFD_ASSEMBLER */
/* end of symbols.c */

93
gas/symbols.h
View File

@ -23,9 +23,6 @@ extern struct obstack notes; /* eg FixS live here. */
extern struct obstack cond_obstack; /* this is where we track .ifdef/.endif
(if we do that at all). */
extern unsigned int local_bss_counter; /* Zeroed before a pass. */
/* Only used by .lcomm directive. */
extern symbolS *symbol_rootP; /* all the symbol nodes */
extern symbolS *symbol_lastP; /* last struct symbol we made, or NULL */
@ -35,67 +32,47 @@ extern symbolS *dot_text_symbol;
extern symbolS *dot_data_symbol;
extern symbolS *dot_bss_symbol;
#if __STDC__ == 1
char *decode_local_label_name (char *s);
symbolS *symbol_find (char *name);
symbolS *symbol_find_base (char *name, int strip_underscore);
symbolS *symbol_find_or_make (char *name);
symbolS *symbol_make (char *name);
symbolS *symbol_new (char *name, segT segment, long value, fragS * frag);
void colon (char *sym_name);
void local_colon (int n);
void symbol_begin (void);
void symbol_table_insert (symbolS * symbolP);
void verify_symbol_chain (symbolS * rootP, symbolS * lastP);
char *decode_local_label_name PARAMS ((char *s));
symbolS *symbol_find PARAMS ((CONST char *name));
symbolS *symbol_find_base PARAMS ((CONST char *name, int strip_underscore));
symbolS *symbol_find_or_make PARAMS ((char *name));
symbolS *symbol_make PARAMS ((CONST char *name));
symbolS *symbol_new PARAMS ((CONST char *name, segT segment, valueT value,
fragS * frag));
void colon PARAMS ((char *sym_name));
void local_colon PARAMS ((int n));
void symbol_begin PARAMS ((void));
void symbol_table_insert PARAMS ((symbolS * symbolP));
void verify_symbol_chain PARAMS ((symbolS * rootP, symbolS * lastP));
#ifdef LOCAL_LABELS_DOLLAR
int dollar_label_defined (long l);
void dollar_label_clear (void);
void define_dollar_label (long l);
char *dollar_label_name (long l, int augend);
int dollar_label_defined PARAMS ((long l));
void dollar_label_clear PARAMS ((void));
void define_dollar_label PARAMS ((long l));
char *dollar_label_name PARAMS ((long l, int augend));
#endif /* LOCAL_LABELS_DOLLAR */
#ifdef LOCAL_LABELS_FB
void fb_label_instance_inc (long label);
char *fb_label_name (long n, long augend);
void fb_label_instance_inc PARAMS ((long label));
char *fb_label_name PARAMS ((long n, long augend));
#endif /* LOCAL_LABELS_FB */
#else /* not __STDC__ */
char *decode_local_label_name ();
char *fb_label_name ();
symbolS *symbol_find ();
symbolS *symbol_find_base ();
symbolS *symbol_find_or_make ();
symbolS *symbol_make ();
symbolS *symbol_new ();
void colon ();
void local_colon ();
void symbol_begin ();
void symbol_table_insert ();
void verify_symbol_chain ();
#ifdef LOCAL_LABELS_DOLLAR
int dollar_label_defined ();
void dollar_label_clear ();
void define_dollar_label ();
char *dollar_label_name ();
#endif /* LOCAL_LABELS_DOLLAR */
#ifdef LOCAL_LABELS_FB
void fb_label_instance_inc ();
char *fb_label_name ();
#endif /* LOCAL_LABELS_FB */
#endif /* not __STDC__ */
/*
* Local Variables:
* comment-column: 0
* fill-column: 131
* End:
*/
#ifdef BFD_ASSEMBLER
extern int S_IS_EXTERNAL PARAMS ((symbolS *));
extern int S_IS_COMMON PARAMS ((symbolS *));
extern int S_IS_DEFINED PARAMS ((symbolS *));
extern int S_IS_DEBUG PARAMS ((symbolS *));
extern int S_IS_LOCAL PARAMS ((symbolS *));
extern int S_IS_EXTERN PARAMS ((symbolS *));
extern int S_IS_STABD PARAMS ((symbolS *));
extern valueT S_GET_VALUE PARAMS ((symbolS *));
extern CONST char *S_GET_NAME PARAMS ((symbolS *));
extern segT S_GET_SEGMENT PARAMS ((symbolS *));
extern void S_SET_VALUE PARAMS ((symbolS *, valueT));
extern void S_SET_SEGMENT PARAMS ((symbolS *, segT));
extern void S_SET_EXTERNAL PARAMS ((symbolS *));
extern void S_SET_NAME PARAMS ((symbolS *, char *));
extern void S_CLEAR_EXTERNAL PARAMS ((symbolS *));
#endif
/* end of symbols.h */