/* symbols.c -symbol table-
- Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 1998
+ Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 98, 1999
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#include "obstack.h" /* For "symbols.h" */
#include "subsegs.h"
+#include "struc-symbol.h"
+
/* This is non-zero if symbols are case sensitive, which is the
default. */
int symbols_case_sensitive = 1;
/* symbol-name => struct symbol pointer */
static struct hash_control *sy_hash;
+/* Table of local symbols. */
+static struct hash_control *local_hash;
+
/* Below are commented in "symbols.h". */
symbolS *symbol_rootP;
symbolS *symbol_lastP;
return symbolP;
}
-symbolS *
-symbol_create (name, segment, valu, frag)
- const char *name; /* It is copied, the caller can destroy/modify */
- segT segment; /* Segment identifier (SEG_<something>) */
- valueT valu; /* Symbol value */
- fragS *frag; /* Associated fragment */
+/* Save a symbol name on a permanent obstack, and convert it according
+ to the object file format. */
+
+static char *
+save_symbol_name (name)
+ const char *name;
{
unsigned int name_length;
- char *preserved_copy_of_name;
- symbolS *symbolP;
+ char *ret;
name_length = strlen (name) + 1; /* +1 for \0 */
obstack_grow (¬es, name, name_length);
- preserved_copy_of_name = obstack_finish (¬es);
+ ret = obstack_finish (¬es);
+
#ifdef STRIP_UNDERSCORE
- if (preserved_copy_of_name[0] == '_')
- preserved_copy_of_name++;
+ if (ret[0] == '_')
+ ++ret;
#endif
#ifdef tc_canonicalize_symbol_name
- preserved_copy_of_name =
- tc_canonicalize_symbol_name (preserved_copy_of_name);
+ ret = tc_canonicalize_symbol_name (ret);
#endif
if (! symbols_case_sensitive)
{
unsigned char *s;
- for (s = (unsigned char *) preserved_copy_of_name; *s != '\0'; s++)
+ for (s = (unsigned char *) ret; *s != '\0'; s++)
if (islower (*s))
*s = toupper (*s);
}
+ return ret;
+}
+
+symbolS *
+symbol_create (name, segment, valu, frag)
+ const char *name; /* It is copied, the caller can destroy/modify */
+ segT segment; /* Segment identifier (SEG_<something>) */
+ valueT valu; /* Symbol value */
+ fragS *frag; /* Associated fragment */
+{
+ char *preserved_copy_of_name;
+ symbolS *symbolP;
+
+ preserved_copy_of_name = save_symbol_name (name);
+
symbolP = (symbolS *) obstack_alloc (¬es, sizeof (symbolS));
/* symbol must be born in some fixed state. This seems as good as any. */
return symbolP;
}
\f
+#ifdef BFD_ASSEMBLER
+
+/* Local symbol support. If we can get away with it, we keep only a
+ small amount of information for local symbols. */
+
+static struct local_symbol *local_symbol_make PARAMS ((const char *, segT,
+ valueT, fragS *));
+static symbolS *local_symbol_convert PARAMS ((struct local_symbol *));
+
+/* Used for statistics. */
+
+static unsigned long local_symbol_count;
+static unsigned long local_symbol_conversion_count;
+
+/* This macro is called with a symbol argument passed by reference.
+ It returns whether this is a local symbol. If necessary, it
+ changes its argument to the real symbol. */
+
+#define LOCAL_SYMBOL_CHECK(s) \
+ (s->bsym == NULL \
+ ? (local_symbol_converted_p ((struct local_symbol *) s) \
+ ? (s = local_symbol_get_real_symbol ((struct local_symbol *) s), \
+ 0) \
+ : 1) \
+ : 0)
+
+/* Create a local symbol and insert it into the local hash table. */
+
+static struct local_symbol *
+local_symbol_make (name, section, offset, frag)
+ const char *name;
+ segT section;
+ valueT offset;
+ fragS *frag;
+{
+ char *name_copy;
+ struct local_symbol *ret;
+
+ ++local_symbol_count;
+
+ name_copy = save_symbol_name (name);
+
+ ret = (struct local_symbol *) obstack_alloc (¬es, sizeof *ret);
+ ret->lsy_marker = NULL;
+ ret->lsy_name = name_copy;
+ ret->lsy_section = section;
+ local_symbol_set_frag (ret, frag);
+ ret->lsy_offset = offset;
+
+ hash_jam (local_hash, name_copy, (PTR) ret);
+
+ return ret;
+}
+
+/* Convert a local symbol into a real symbol. Note that we do not
+ reclaim the space used by the local symbol. */
+
+static symbolS *
+local_symbol_convert (locsym)
+ struct local_symbol *locsym;
+{
+ symbolS *ret;
+
+ assert (locsym->lsy_marker == NULL);
+ if (local_symbol_converted_p (locsym))
+ return local_symbol_get_real_symbol (locsym);
+
+ ++local_symbol_conversion_count;
+
+ ret = symbol_new (locsym->lsy_name, locsym->lsy_section, locsym->lsy_offset,
+ local_symbol_get_frag (locsym));
+
+ if (local_symbol_resolved_p (locsym))
+ ret->sy_resolved = 1;
+
+ /* Local symbols are always either defined or used. */
+ ret->sy_used = 1;
+
+ symbol_table_insert (ret);
+
+ local_symbol_mark_converted (locsym);
+ local_symbol_set_real_symbol (locsym, ret);
+
+ hash_jam (local_hash, locsym->lsy_name, NULL);
+
+ return ret;
+}
+
+#else /* ! BFD_ASSEMBLER */
+
+#define LOCAL_SYMBOL_CHECK(s) 0
+#define local_symbol_convert(s) ((symbolS *) s)
+
+#endif /* ! BFD_ASSEMBLER */
+\f
/*
* colon()
/*
* Now check for undefined symbols
*/
- if (!S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))
+ if (LOCAL_SYMBOL_CHECK (symbolP))
+ {
+#ifdef BFD_ASSEMBLER
+ struct local_symbol *locsym = (struct local_symbol *) symbolP;
+
+ if (locsym->lsy_section != undefined_section
+ && (local_symbol_get_frag (locsym) != frag_now
+ || locsym->lsy_section != now_seg
+ || locsym->lsy_offset != frag_now_fix ()))
+ {
+ as_bad (_("Symbol %s already defined."), sym_name);
+ return symbolP;
+ }
+
+ locsym->lsy_section = now_seg;
+ local_symbol_set_frag (locsym, frag_now);
+ locsym->lsy_offset = frag_now_fix ();
+#endif
+ }
+ else if (!S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))
{
if (S_GET_VALUE (symbolP) == 0)
{
else
{
#if defined (S_GET_OTHER) && defined (S_GET_DESC)
- as_fatal ("Symbol \"%s\" is already defined as \"%s\"/%d.%d.%ld.",
+ 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\"/%ld.",
+ as_fatal (_("Symbol \"%s\" is already defined as \"%s\"/%ld."),
sym_name,
segment_name (S_GET_SEGMENT (symbolP)),
(long) S_GET_VALUE (symbolP));
if (!(frag_now == symbolP->sy_frag
&& S_GET_VALUE (symbolP) == frag_now_fix ()
&& S_GET_SEGMENT (symbolP) == now_seg))
- as_fatal ("Symbol %s already defined.", sym_name);
+ as_fatal (_("Symbol %s already defined."), sym_name);
} /* if this symbol is not yet defined */
}
+#ifdef BFD_ASSEMBLER
+ else if (! flag_keep_locals && bfd_is_local_label_name (stdoutput, sym_name))
+ {
+ symbolP = (symbolS *) local_symbol_make (sym_name, now_seg,
+ (valueT) frag_now_fix (),
+ frag_now);
+ }
+#endif /* BFD_ASSEMBLER */
else
{
symbolP = symbol_new (sym_name, now_seg, (valueT) frag_now_fix (),
{
/* This symbol is actually being defined within an MRI common
section. This requires special handling. */
+ if (LOCAL_SYMBOL_CHECK (symbolP))
+ symbolP = local_symbol_convert ((struct local_symbol *) symbolP);
symbolP->sy_value.X_op = O_symbol;
symbolP->sy_value.X_add_symbol = mri_common_symbol;
symbolP->sy_value.X_add_number = S_GET_VALUE (mri_common_symbol);
know (symbolP);
know (S_GET_NAME (symbolP));
+ if (LOCAL_SYMBOL_CHECK (symbolP))
+ {
+ error_string = hash_jam (local_hash, S_GET_NAME (symbolP),
+ (PTR) symbolP);
+ if (error_string != NULL)
+ as_fatal (_("Inserting \"%s\" into symbol table failed: %s"),
+ S_GET_NAME (symbolP), error_string);
+ return;
+ }
+
if ((error_string = hash_jam (sy_hash, S_GET_NAME (symbolP), (PTR) symbolP)))
{
- as_fatal ("Inserting \"%s\" into symbol table failed: %s",
+ as_fatal (_("Inserting \"%s\" into symbol table failed: %s"),
S_GET_NAME (symbolP), error_string);
} /* on error */
} /* symbol_table_insert() */
if (symbolP == NULL)
{
+#ifdef BFD_ASSEMBLER
+ if (! flag_keep_locals && bfd_is_local_label_name (stdoutput, name))
+ {
+ symbolP = md_undefined_symbol ((char *) name);
+ if (symbolP != NULL)
+ return symbolP;
+
+ symbolP = (symbolS *) local_symbol_make (name, undefined_section,
+ (valueT) 0,
+ &zero_address_frag);
+ return symbolP;
+ }
+#endif
+
symbolP = symbol_make (name);
symbol_table_insert (symbolP);
#ifdef tc_canonicalize_symbol_name
{
char *copy;
+ size_t len = strlen (name) + 1;
- copy = (char *) alloca (strlen (name) + 1);
- strcpy (copy, name);
+ copy = (char *) alloca (len);
+ memcpy (copy, name, len);
name = tc_canonicalize_symbol_name (copy);
}
#endif
if (! symbols_case_sensitive)
{
- unsigned char *copy;
+ char *copy;
+ const char *orig;
+ unsigned char c;
+
+ orig = name;
+ name = copy = (char *) alloca (strlen (name) + 1);
- copy = (unsigned char *) alloca (strlen (name) + 1);
- name = (const char *) copy;
- for (; *copy != '\0'; copy++)
- if (islower (*copy))
- *copy = toupper (*copy);
+ while ((c = *orig++) != '\0')
+ {
+ if (islower (c))
+ c = toupper (c);
+ *copy++ = c;
+ }
+ *copy = '\0';
}
+#ifdef BFD_ASSEMBLER
+ {
+ struct local_symbol *locsym;
+
+ locsym = (struct local_symbol *) hash_find (local_hash, name);
+ if (locsym != NULL)
+ return (symbolS *) locsym;
+ }
+#endif
+
return ((symbolS *) hash_find (sy_hash, name));
}
symbolS **rootPP;
symbolS **lastPP;
{
+ if (LOCAL_SYMBOL_CHECK (addme))
+ abort ();
+ if (target != NULL && LOCAL_SYMBOL_CHECK (target))
+ abort ();
+
if (target == NULL)
{
know (*rootPP == NULL);
symbol_clear_list_pointers (symbolP)
symbolS *symbolP;
{
+ if (LOCAL_SYMBOL_CHECK (symbolP))
+ abort ();
symbolP->sy_next = NULL;
#ifdef SYMBOLS_NEED_BACKPOINTERS
symbolP->sy_previous = NULL;
symbolS **rootPP;
symbolS **lastPP;
{
+ if (LOCAL_SYMBOL_CHECK (symbolP))
+ abort ();
+
if (symbolP == *rootPP)
{
*rootPP = symbolP->sy_next;
symbolS *addme;
symbolS *target;
symbolS **rootPP;
- symbolS **lastPP;
+ symbolS **lastPP ATTRIBUTE_UNUSED;
{
+ if (LOCAL_SYMBOL_CHECK (addme))
+ abort ();
+ if (LOCAL_SYMBOL_CHECK (target))
+ abort ();
+
if (target->sy_previous != NULL)
{
target->sy_previous->sy_next = addme;
for (; symbol_next (symbolP) != NULL; symbolP = symbol_next (symbolP))
{
+#ifdef BFD_ASSEMBLER
+ assert (symbolP->bsym != NULL);
+#endif
#ifdef SYMBOLS_NEED_BACKPOINTERS
assert (symbolP->sy_next->sy_previous == symbolP);
#else
valueT final_val;
segT final_seg;
+#ifdef BFD_ASSEMBLER
+ if (LOCAL_SYMBOL_CHECK (symp))
+ {
+ struct local_symbol *locsym = (struct local_symbol *) symp;
+
+ if (local_symbol_resolved_p (locsym))
+ return locsym->lsy_offset;
+
+ final_val = (local_symbol_get_frag (locsym)->fr_address
+ + locsym->lsy_offset);
+
+ if (finalize)
+ {
+ locsym->lsy_offset = final_val;
+ local_symbol_mark_resolved (locsym);
+ }
+
+ return final_val;
+ }
+#endif
+
if (symp->sy_resolved)
{
if (symp->sy_value.X_op == O_constant)
if (symp->sy_resolving)
{
if (finalize)
- as_bad ("Symbol definition loop encountered at %s", S_GET_NAME (symp));
+ as_bad (_("Symbol definition loop encountered at %s"), S_GET_NAME (symp));
final_val = 0;
resolved = 1;
}
/* This is a symbol inside an MRI common section. The
relocation routines are going to handle it specially.
Don't change the value. */
- resolved = add_symbol->sy_resolved;
+ resolved = symbol_resolved_p (add_symbol);
break;
}
if (finalize && final_val == 0)
- copy_symbol_attributes (symp, add_symbol);
+ {
+ if (LOCAL_SYMBOL_CHECK (add_symbol))
+ add_symbol = local_symbol_convert ((struct local_symbol *)
+ add_symbol);
+ copy_symbol_attributes (symp, add_symbol);
+ }
/* If we have equated this symbol to an undefined symbol, we
keep X_op set to O_symbol, and we don't change
{
if (finalize)
{
- symp->sy_value.X_op = O_symbol;
S_SET_SEGMENT (symp, S_GET_SEGMENT (add_symbol));
+ symp->sy_value.X_op = O_symbol;
+ symp->sy_value.X_add_symbol = add_symbol;
symp->sy_value.X_add_number = final_val;
}
final_val = 0;
- resolved = add_symbol->sy_resolved;
+ resolved = symbol_resolved_p (add_symbol);
goto exit_dont_set_value;
}
else
final_seg = S_GET_SEGMENT (add_symbol);
}
- resolved = add_symbol->sy_resolved;
+ resolved = symbol_resolved_p (add_symbol);
break;
case O_uminus:
if (final_seg == expr_section || final_seg == undefined_section)
final_seg = absolute_section;
- resolved = add_symbol->sy_resolved;
+ resolved = symbol_resolved_p (add_symbol);
break;
case O_multiply:
expressions, such as IEEE-695. */
/* Don't emit messages unless we're finalizing the symbol value,
otherwise we may get the same message multiple times. */
- if ((seg_left != absolute_section || seg_right != absolute_section)
- && (op != O_subtract || seg_left != seg_right)
+ if ((seg_left != absolute_section
+ || seg_right != absolute_section)
+ && (op != O_subtract
+ || seg_left != seg_right
+ || seg_left == undefined_section)
&& finalize)
{
char *file;
{
if (seg_left == undefined_section)
as_bad_where (file, line,
- "undefined symbol %s in operation",
+ _("undefined symbol %s in operation"),
S_GET_NAME (symp->sy_value.X_add_symbol));
if (seg_right == undefined_section)
as_bad_where (file, line,
- "undefined symbol %s in operation",
+ _("undefined symbol %s in operation"),
S_GET_NAME (symp->sy_value.X_op_symbol));
if (seg_left != undefined_section
&& seg_right != undefined_section)
- as_bad_where (file, line, "invalid section for operation");
+ as_bad_where (file, line, _("invalid section for operation"));
}
else
{
if (seg_left == undefined_section)
- as_bad ("undefined symbol %s in operation setting %s",
+ as_bad (_("undefined symbol %s in operation setting %s"),
S_GET_NAME (symp->sy_value.X_add_symbol),
S_GET_NAME (symp));
if (seg_right == undefined_section)
- as_bad ("undefined symbol %s in operation setting %s",
+ as_bad (_("undefined symbol %s in operation setting %s"),
S_GET_NAME (symp->sy_value.X_op_symbol),
S_GET_NAME (symp));
if (seg_left != undefined_section
&& seg_right != undefined_section)
- as_bad ("invalid section for operation setting %s",
+ as_bad (_("invalid section for operation setting %s"),
S_GET_NAME (symp));
}
}
unsigned int line;
if (expr_symbol_where (symp, &file, &line))
- as_bad_where (file, line, "division by zero");
+ as_bad_where (file, line, _("division by zero"));
else
- as_bad ("division by zero when setting %s",
+ as_bad (_("division by zero when setting %s"),
S_GET_NAME (symp));
}
final_val += symp->sy_frag->fr_address + left;
if (final_seg == expr_section || final_seg == undefined_section)
final_seg = absolute_section;
- resolved = (add_symbol->sy_resolved && op_symbol->sy_resolved);
+ resolved = (symbol_resolved_p (add_symbol)
+ && symbol_resolved_p (op_symbol));
break;
case O_register:
symp->sy_resolved = 1;
else if (S_GET_SEGMENT (symp) != expr_section)
{
- as_bad ("can't resolve value for symbol \"%s\"", S_GET_NAME (symp));
+ as_bad (_("can't resolve value for symbol \"%s\""), S_GET_NAME (symp));
symp->sy_resolved = 1;
}
}
return final_val;
}
+#ifdef BFD_ASSEMBLER
+
+static void resolve_local_symbol PARAMS ((const char *, PTR));
+
+/* A static function passed to hash_traverse. */
+
+static void
+resolve_local_symbol (key, value)
+ const char *key ATTRIBUTE_UNUSED;
+ PTR value;
+{
+ if (value != NULL)
+ resolve_symbol_value (value, 1);
+}
+
+#endif
+
+/* Resolve all local symbols. */
+
+void
+resolve_local_symbol_values ()
+{
+#ifdef BFD_ASSEMBLER
+ hash_traverse (local_hash, resolve_local_symbol);
+#endif
+}
+
/* Dollar labels look like a number followed by a dollar sign. Eg, "42$".
They are *really* local. That is, they go out of scope whenever we see a
label that isn't local. Also, like fb labels, there can be multiple
know (n >= 0);
know (augend == 0 || augend == 1);
p = symbol_name_build;
+#ifdef LOCAL_LABEL_PREFIX
+ *p++ = LOCAL_LABEL_PREFIX;
+#endif
*p++ = 'L';
/* Next code just does sprintf( {}, "%d", n); */
int label_number;
int instance_number;
char *type;
- const char *message_format = "\"%d\" (instance number %d of a %s label)";
+ const char *message_format = _("\"%d\" (instance number %d of a %s label)");
if (s[0] != 'L')
return s;
S_GET_VALUE (s)
symbolS *s;
{
+#ifdef BFD_ASSEMBLER
+ if (LOCAL_SYMBOL_CHECK (s))
+ return ((struct local_symbol *) s)->lsy_offset;
+#endif
+
if (!s->sy_resolved && s->sy_value.X_op != O_constant)
resolve_symbol_value (s, 1);
if (s->sy_value.X_op != O_constant)
if (! s->sy_resolved
|| s->sy_value.X_op != O_symbol
|| (S_IS_DEFINED (s) && ! S_IS_COMMON (s)))
- as_bad ("Attempt to get value of unresolved symbol %s",
+ as_bad (_("Attempt to get value of unresolved symbol %s"),
S_GET_NAME (s));
recur = NULL;
}
symbolS *s;
valueT val;
{
+#ifdef BFD_ASSEMBLER
+ if (LOCAL_SYMBOL_CHECK (s))
+ {
+ ((struct local_symbol *) s)->lsy_offset = val;
+ return;
+ }
+#endif
+
s->sy_value.X_op = O_constant;
s->sy_value.X_add_number = (offsetT) val;
s->sy_value.X_unsigned = 0;
copy_symbol_attributes (dest, src)
symbolS *dest, *src;
{
+ if (LOCAL_SYMBOL_CHECK (dest))
+ dest = local_symbol_convert ((struct local_symbol *) dest);
+ if (LOCAL_SYMBOL_CHECK (src))
+ src = local_symbol_convert ((struct local_symbol *) src);
+
#ifdef BFD_ASSEMBLER
/* In an expression, transfer the settings of these flags.
The user can override later, of course. */
#ifdef BFD_ASSEMBLER
+int
+S_IS_FUNCTION (s)
+ symbolS *s;
+{
+ flagword flags;
+
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
+
+ flags = s->bsym->flags;
+
+ return (flags & BSF_FUNCTION) != 0;
+}
+
int
S_IS_EXTERNAL (s)
symbolS *s;
{
- flagword flags = s->bsym->flags;
+ flagword flags;
+
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
+
+ flags = s->bsym->flags;
/* sanity check */
if ((flags & BSF_LOCAL) && (flags & BSF_GLOBAL))
S_IS_WEAK (s)
symbolS *s;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
return (s->bsym->flags & BSF_WEAK) != 0;
}
S_IS_COMMON (s)
symbolS *s;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
return bfd_is_com_section (s->bsym->section);
}
S_IS_DEFINED (s)
symbolS *s;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return ((struct local_symbol *) s)->lsy_section != undefined_section;
return s->bsym->section != undefined_section;
}
S_IS_DEBUG (s)
symbolS *s;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
if (s->bsym->flags & BSF_DEBUGGING)
return 1;
return 0;
S_IS_LOCAL (s)
symbolS *s;
{
- flagword flags = s->bsym->flags;
+ flagword flags;
const char *name;
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 1;
+
+ flags = s->bsym->flags;
+
/* sanity check */
if ((flags & BSF_LOCAL) && (flags & BSF_GLOBAL))
abort ();
S_GET_NAME (s)
symbolS *s;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return ((struct local_symbol *) s)->lsy_name;
return s->bsym->name;
}
S_GET_SEGMENT (s)
symbolS *s;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return ((struct local_symbol *) s)->lsy_section;
return s->bsym->section;
}
faults assigning back to const global symbols such as *ABS*, but it
shouldn't happen anyway. */
+ if (LOCAL_SYMBOL_CHECK (s))
+ {
+ if (seg == reg_section)
+ s = local_symbol_convert ((struct local_symbol *) s);
+ else
+ {
+ ((struct local_symbol *) s)->lsy_section = seg;
+ return;
+ }
+ }
+
if (s->bsym->flags & BSF_SECTION_SYM)
{
if (s->bsym->section != seg)
S_SET_EXTERNAL (s)
symbolS *s;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
if ((s->bsym->flags & BSF_WEAK) != 0)
{
/* Let .weak override .global. */
S_CLEAR_EXTERNAL (s)
symbolS *s;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return;
if ((s->bsym->flags & BSF_WEAK) != 0)
{
/* Let .weak override. */
S_SET_WEAK (s)
symbolS *s;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
s->bsym->flags |= BSF_WEAK;
s->bsym->flags &= ~(BSF_GLOBAL|BSF_LOCAL);
}
symbolS *s;
char *name;
{
+ if (LOCAL_SYMBOL_CHECK (s))
+ {
+ ((struct local_symbol *) s)->lsy_name = name;
+ return;
+ }
s->bsym->name = name;
}
#endif /* BFD_ASSEMBLER */
+#ifdef SYMBOLS_NEED_BACKPOINTERS
+
+/* Return the previous symbol in a chain. */
+
+symbolS *
+symbol_previous (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ abort ();
+ return s->sy_previous;
+}
+
+#endif /* SYMBOLS_NEED_BACKPOINTERS */
+
+/* Return the next symbol in a chain. */
+
+symbolS *
+symbol_next (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ abort ();
+ return s->sy_next;
+}
+
+/* Return a pointer to the value of a symbol as an expression. */
+
+expressionS *
+symbol_get_value_expression (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ return &s->sy_value;
+}
+
+/* Set the value of a symbol to an expression. */
+
+void
+symbol_set_value_expression (s, exp)
+ symbolS *s;
+ const expressionS *exp;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ s->sy_value = *exp;
+}
+
+/* Set the frag of a symbol. */
+
+void
+symbol_set_frag (s, f)
+ symbolS *s;
+ fragS *f;
+{
+#ifdef BFD_ASSEMBLER
+ if (LOCAL_SYMBOL_CHECK (s))
+ {
+ local_symbol_set_frag ((struct local_symbol *) s, f);
+ return;
+ }
+#endif
+ s->sy_frag = f;
+}
+
+/* Return the frag of a symbol. */
+
+fragS *
+symbol_get_frag (s)
+ symbolS *s;
+{
+#ifdef BFD_ASSEMBLER
+ if (LOCAL_SYMBOL_CHECK (s))
+ return local_symbol_get_frag ((struct local_symbol *) s);
+#endif
+ return s->sy_frag;
+}
+
+/* Mark a symbol as having been used. */
+
+void
+symbol_mark_used (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return;
+ s->sy_used = 1;
+}
+
+/* Clear the mark of whether a symbol has been used. */
+
+void
+symbol_clear_used (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ s->sy_used = 0;
+}
+
+/* Return whether a symbol has been used. */
+
+int
+symbol_used_p (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 1;
+ return s->sy_used;
+}
+
+/* Mark a symbol as having been used in a reloc. */
+
+void
+symbol_mark_used_in_reloc (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ s->sy_used_in_reloc = 1;
+}
+
+/* Clear the mark of whether a symbol has been used in a reloc. */
+
+void
+symbol_clear_used_in_reloc (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return;
+ s->sy_used_in_reloc = 0;
+}
+
+/* Return whether a symbol has been used in a reloc. */
+
+int
+symbol_used_in_reloc_p (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
+ return s->sy_used_in_reloc;
+}
+
+/* Mark a symbol as an MRI common symbol. */
+
+void
+symbol_mark_mri_common (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ s->sy_mri_common = 1;
+}
+
+/* Clear the mark of whether a symbol is an MRI common symbol. */
+
+void
+symbol_clear_mri_common (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return;
+ s->sy_mri_common = 0;
+}
+
+/* Return whether a symbol is an MRI common symbol. */
+
+int
+symbol_mri_common_p (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
+ return s->sy_mri_common;
+}
+
+/* Mark a symbol as having been written. */
+
+void
+symbol_mark_written (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return;
+ s->written = 1;
+}
+
+/* Clear the mark of whether a symbol has been written. */
+
+void
+symbol_clear_written (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return;
+ s->written = 0;
+}
+
+/* Return whether a symbol has been written. */
+
+int
+symbol_written_p (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
+ return s->written;
+}
+
+/* Mark a symbol has having been resolved. */
+
+void
+symbol_mark_resolved (s)
+ symbolS *s;
+{
+#ifdef BFD_ASSEMBLER
+ if (LOCAL_SYMBOL_CHECK (s))
+ {
+ local_symbol_mark_resolved ((struct local_symbol *) s);
+ return;
+ }
+#endif
+ s->sy_resolved = 1;
+}
+
+/* Return whether a symbol has been resolved. */
+
+int
+symbol_resolved_p (s)
+ symbolS *s;
+{
+#ifdef BFD_ASSEMBLER
+ if (LOCAL_SYMBOL_CHECK (s))
+ return local_symbol_resolved_p ((struct local_symbol *) s);
+#endif
+ return s->sy_resolved;
+}
+
+/* Return whether a symbol is a section symbol. */
+
+int
+symbol_section_p (s)
+ symbolS *s ATTRIBUTE_UNUSED;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
+#ifdef BFD_ASSEMBLER
+ return (s->bsym->flags & BSF_SECTION_SYM) != 0;
+#else
+ /* FIXME */
+ return 0;
+#endif
+}
+
+/* Return whether a symbol is equated to another symbol. */
+
+int
+symbol_equated_p (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 0;
+ return s->sy_value.X_op == O_symbol;
+}
+
+/* Return whether a symbol has a constant value. */
+
+int
+symbol_constant_p (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return 1;
+ return s->sy_value.X_op == O_constant;
+}
+
+#ifdef BFD_ASSEMBLER
+
+/* Return the BFD symbol for a symbol. */
+
+asymbol *
+symbol_get_bfdsym (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ return s->bsym;
+}
+
+/* Set the BFD symbol for a symbol. */
+
+void
+symbol_set_bfdsym (s, bsym)
+ symbolS *s;
+ asymbol *bsym;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ s->bsym = bsym;
+}
+
+#endif /* BFD_ASSEMBLER */
+
+#ifdef OBJ_SYMFIELD_TYPE
+
+/* Get a pointer to the object format information for a symbol. */
+
+OBJ_SYMFIELD_TYPE *
+symbol_get_obj (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ return &s->sy_obj;
+}
+
+/* Set the object format information for a symbol. */
+
+void
+symbol_set_obj (s, o)
+ symbolS *s;
+ OBJ_SYMFIELD_TYPE *o;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ s->sy_obj = *o;
+}
+
+#endif /* OBJ_SYMFIELD_TYPE */
+
+#ifdef TC_SYMFIELD_TYPE
+
+/* Get a pointer to the processor information for a symbol. */
+
+TC_SYMFIELD_TYPE *
+symbol_get_tc (s)
+ symbolS *s;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ return &s->sy_tc;
+}
+
+/* Set the processor information for a symbol. */
+
+void
+symbol_set_tc (s, o)
+ symbolS *s;
+ TC_SYMFIELD_TYPE *o;
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ s = local_symbol_convert ((struct local_symbol *) s);
+ s->sy_tc = *o;
+}
+
+#endif /* TC_SYMFIELD_TYPE */
+
void
symbol_begin ()
{
symbol_lastP = NULL;
symbol_rootP = NULL; /* In case we have 0 symbols (!!) */
sy_hash = hash_new ();
+#ifdef BFD_ASSEMBLER
+ local_hash = hash_new ();
+#endif
memset ((char *) (&abs_symbol), '\0', sizeof (abs_symbol));
#ifdef BFD_ASSEMBLER
fb_label_init ();
}
+
\f
int indent_level;
+/* Maximum indent level.
+ Available for modification inside a gdb session. */
+int max_indent_level = 8;
+
#if 0
static void
if (!name || !name[0])
name = "(unnamed)";
fprintf (file, "sym %lx %s", (unsigned long) sym, name);
- if (sym->sy_frag != &zero_address_frag)
- fprintf (file, " frag %lx", (long) sym->sy_frag);
- if (sym->written)
- fprintf (file, " written");
- if (sym->sy_resolved)
- fprintf (file, " resolved");
- else if (sym->sy_resolving)
- fprintf (file, " resolving");
- if (sym->sy_used_in_reloc)
- fprintf (file, " used-in-reloc");
- if (sym->sy_used)
- fprintf (file, " used");
- if (S_IS_LOCAL (sym))
- fprintf (file, " local");
- if (S_IS_EXTERN (sym))
- fprintf (file, " extern");
- if (S_IS_DEBUG (sym))
- fprintf (file, " debug");
- if (S_IS_DEFINED (sym))
- fprintf (file, " defined");
+
+ if (LOCAL_SYMBOL_CHECK (sym))
+ {
+#ifdef BFD_ASSEMBLER
+ struct local_symbol *locsym = (struct local_symbol *) sym;
+ if (local_symbol_get_frag (locsym) != &zero_address_frag
+ && local_symbol_get_frag (locsym) != NULL)
+ fprintf (file, " frag %lx", (long) local_symbol_get_frag (locsym));
+ if (local_symbol_resolved_p (locsym))
+ fprintf (file, " resolved");
+ fprintf (file, " local");
+#endif
+ }
+ else
+ {
+ if (sym->sy_frag != &zero_address_frag)
+ fprintf (file, " frag %lx", (long) sym->sy_frag);
+ if (sym->written)
+ fprintf (file, " written");
+ if (sym->sy_resolved)
+ fprintf (file, " resolved");
+ else if (sym->sy_resolving)
+ fprintf (file, " resolving");
+ if (sym->sy_used_in_reloc)
+ fprintf (file, " used-in-reloc");
+ if (sym->sy_used)
+ fprintf (file, " used");
+ if (S_IS_LOCAL (sym))
+ fprintf (file, " local");
+ if (S_IS_EXTERN (sym))
+ fprintf (file, " extern");
+ if (S_IS_DEBUG (sym))
+ fprintf (file, " debug");
+ if (S_IS_DEFINED (sym))
+ fprintf (file, " defined");
+ }
fprintf (file, " %s", segment_name (S_GET_SEGMENT (sym)));
- if (sym->sy_resolved)
+ if (symbol_resolved_p (sym))
{
segT s = S_GET_SEGMENT (sym);
&& s != expr_section)
fprintf (file, " %lx", (long) S_GET_VALUE (sym));
}
- else if (indent_level < 8 && S_GET_SEGMENT (sym) != undefined_section)
+ else if (indent_level < max_indent_level
+ && S_GET_SEGMENT (sym) != undefined_section)
{
indent_level++;
fprintf (file, "\n%*s<", indent_level * 4, "");
- print_expr_1 (file, &sym->sy_value);
+#ifdef BFD_ASSEMBLER
+ if (LOCAL_SYMBOL_CHECK (sym))
+ fprintf (file, "constant %lx",
+ (long) ((struct local_symbol *) sym)->lsy_offset);
+ else
+#endif
+ print_expr_1 (file, &sym->sy_value);
fprintf (file, ">");
indent_level--;
}
FILE *file;
{
hash_print_statistics (file, "symbol table", sy_hash);
+#ifdef BFD_ASSEMBLER
+ hash_print_statistics (file, "mini local symbol table", local_hash);
+ fprintf (file, "%lu mini local symbols created, %lu converted\n",
+ local_symbol_count, local_symbol_conversion_count);
+#endif
}
/* end of symbols.c */
projects / deliverable / binutils-gdb.git / blobdiff