mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-27 03:51:15 +08:00
* 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
parent
bd4d4b8aca
commit
2b68b820a9
485
gas/symbols.c
485
gas/symbols.c
@ -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 (¬es, name, name_length);
|
||||
preserved_copy_of_name = obstack_finish (¬es);
|
||||
#ifdef STRIP_UNDERSCORE
|
||||
if (preserved_copy_of_name[0] == '_')
|
||||
preserved_copy_of_name++;
|
||||
#endif
|
||||
symbolP = (symbolS *) obstack_alloc (¬es, 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 */
|
||||
|
||||
@ -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 */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user