/* symbols.c -symbol table-
- Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 1987-2016 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
/* #define DEBUG_SYMS / * to debug symbol list maintenance. */
#include "as.h"
-
#include "safe-ctype.h"
#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
symbolS *symbol_rootP;
symbolS *symbol_lastP;
symbolS abs_symbol;
+symbolS dot_symbol;
#ifdef DEBUG_SYMS
#define debug_verify_symchain verify_symbol_chain
#define DOLLAR_LABEL_CHAR '\001'
#define LOCAL_LABEL_CHAR '\002'
+#ifndef TC_LABEL_IS_LOCAL
+#define TC_LABEL_IS_LOCAL(name) 0
+#endif
+
struct obstack notes;
#ifdef TE_PE
/* The name of an external symbol which is
const char * an_external_name;
#endif
-static char *save_symbol_name (const char *);
+static const char *save_symbol_name (const char *);
static void fb_label_init (void);
static long dollar_label_instance (long);
static long fb_label_instance (long);
static void print_binary (FILE *, const char *, expressionS *);
-static void report_op_error (symbolS *, symbolS *, symbolS *);
/* Return a pointer to a new symbol. Die if we can't make a new
symbol. Fill in the symbol's values. Add symbol to end of symbol
/* Save a symbol name on a permanent obstack, and convert it according
to the object file format. */
-static char *
+static const char *
save_symbol_name (const char *name)
{
- unsigned int name_length;
+ size_t name_length;
char *ret;
name_length = strlen (name) + 1; /* +1 for \0. */
valueT valu, /* Symbol value. */
fragS *frag /* Associated fragment. */)
{
- char *preserved_copy_of_name;
+ const char *preserved_copy_of_name;
symbolS *symbolP;
preserved_copy_of_name = save_symbol_name (name);
changes its argument to the real symbol. */
#define LOCAL_SYMBOL_CHECK(s) \
- (s->bsym == NULL \
+ (s->sy_flags.sy_local_symbol \
? (local_symbol_converted_p ((struct local_symbol *) s) \
? (s = local_symbol_get_real_symbol ((struct local_symbol *) s), \
0) \
/* Create a local symbol and insert it into the local hash table. */
-static struct local_symbol *
+struct local_symbol *
local_symbol_make (const char *name, segT section, valueT val, fragS *frag)
{
- char *name_copy;
+ const 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_flags.sy_local_symbol = 1;
+ ret->lsy_flags.sy_resolved = 0;
ret->lsy_name = name_copy;
ret->lsy_section = section;
local_symbol_set_frag (ret, frag);
{
symbolS *ret;
- gas_assert (locsym->lsy_marker == NULL);
+ gas_assert (locsym->lsy_flags.sy_local_symbol);
if (local_symbol_converted_p (locsym))
return local_symbol_get_real_symbol (locsym);
local_symbol_get_frag (locsym));
if (local_symbol_resolved_p (locsym))
- ret->sy_resolved = 1;
+ ret->sy_flags.sy_resolved = 1;
/* Local symbols are always either defined or used. */
- ret->sy_used = 1;
+ ret->sy_flags.sy_used = 1;
#ifdef TC_LOCAL_SYMFIELD_CONVERT
TC_LOCAL_SYMFIELD_CONVERT (locsym, ret);
define_sym_at_dot (symbolS *symbolP)
{
symbolP->sy_frag = frag_now;
-#ifdef OBJ_VMS
- S_SET_OTHER (symbolP, const_flag);
-#endif
S_SET_VALUE (symbolP, (valueT) frag_now_fix ());
S_SET_SEGMENT (symbolP, now_seg);
}
const char *sym_name /* Symbol name, as a cannonical string. */
/* We copy this string: OK to alter later. */)
{
- register symbolS *symbolP; /* Symbol we are working with. */
+ symbolS *symbolP; /* Symbol we are working with. */
/* Sun local labels go out of scope whenever a non-local symbol is
defined. */
}
#endif /* WORKING_DOT_WORD */
+#ifdef obj_frob_colon
+ obj_frob_colon (sym_name);
+#endif
+
if ((symbolP = symbol_find (sym_name)) != 0)
{
S_CLEAR_WEAKREFR (symbolP);
{
symbolP = symbol_new (sym_name, now_seg, (valueT) frag_now_fix (),
frag_now);
-#ifdef OBJ_VMS
- S_SET_OTHER (symbolP, const_flag);
-#endif /* OBJ_VMS */
symbol_table_insert (symbolP);
}
symbolP->sy_value.X_add_number = S_GET_VALUE (mri_common_symbol);
symbolP->sy_frag = &zero_address_frag;
S_SET_SEGMENT (symbolP, expr_section);
- symbolP->sy_mri_common = 1;
+ symbolP->sy_flags.sy_mri_common = 1;
}
#ifdef tc_frob_label
void
symbol_table_insert (symbolS *symbolP)
{
- register const char *error_string;
+ const char *error_string;
know (symbolP);
know (S_GET_NAME (symbolP));
symbolS *
symbol_find_or_make (const char *name)
{
- register symbolS *symbolP;
+ symbolS *symbolP;
symbolP = symbol_find (name);
symbolS *newsymP;
asymbol *bsymorg, *bsymnew;
+ /* Make sure we never clone the dot special symbol. */
+ gas_assert (orgsymP != &dot_symbol);
+
/* Running local_symbol_convert on a clone that's not the one currently
in local_hash would incorrectly replace the hash entry. Thus the
symbol must be converted here. Note that the rest of the function
as_fatal ("bfd_make_empty_symbol: %s", bfd_errmsg (bfd_get_error ()));
newsymP->bsym = bsymnew;
bsymnew->name = bsymorg->name;
- bsymnew->flags = bsymorg->flags;
- bsymnew->section = bsymorg->section;
+ bsymnew->flags = bsymorg->flags & ~BSF_SECTION_SYM;
+ bsymnew->section = bsymorg->section;
bfd_copy_private_symbol_data (bfd_asymbol_bfd (bsymorg), bsymorg,
bfd_asymbol_bfd (bsymnew), bsymnew);
symbolS *add_symbol = symbolP->sy_value.X_add_symbol;
symbolS *op_symbol = symbolP->sy_value.X_op_symbol;
- if (symbolP->sy_forward_ref)
+ if (symbolP->sy_flags.sy_forward_ref)
is_forward = 1;
if (is_forward)
/* Re-using sy_resolving here, as this routine cannot get called from
symbol resolution code. */
- if (symbolP->bsym->section == expr_section && !symbolP->sy_resolving)
+ if ((symbolP->bsym->section == expr_section
+ || symbolP->sy_flags.sy_forward_ref)
+ && !symbolP->sy_flags.sy_resolving)
{
- symbolP->sy_resolving = 1;
+ symbolP->sy_flags.sy_resolving = 1;
add_symbol = symbol_clone_if_forward_ref (add_symbol, is_forward);
op_symbol = symbol_clone_if_forward_ref (op_symbol, is_forward);
- symbolP->sy_resolving = 0;
+ symbolP->sy_flags.sy_resolving = 0;
}
- if (symbolP->sy_forward_ref
+ if (symbolP->sy_flags.sy_forward_ref
|| add_symbol != symbolP->sy_value.X_add_symbol
|| op_symbol != symbolP->sy_value.X_op_symbol)
- symbolP = symbol_clone (symbolP, 0);
+ {
+ if (symbolP != &dot_symbol)
+ {
+ symbolP = symbol_clone (symbolP, 0);
+ symbolP->sy_flags.sy_resolving = 0;
+ }
+ else
+ {
+ symbolP = symbol_temp_new_now ();
+#ifdef tc_new_dot_label
+ tc_new_dot_label (symbolP);
+#endif
+ }
+ }
symbolP->sy_value.X_add_symbol = add_symbol;
symbolP->sy_value.X_op_symbol = op_symbol;
symbolS *
symbol_find_noref (const char *name, int noref)
{
+ symbolS * result;
+ char * copy = NULL;
+
#ifdef tc_canonicalize_symbol_name
{
- char *copy;
- size_t len = strlen (name) + 1;
-
- copy = (char *) alloca (len);
- memcpy (copy, name, len);
+ copy = xstrdup (name);
name = tc_canonicalize_symbol_name (copy);
}
#endif
if (! symbols_case_sensitive)
{
- char *copy;
const char *orig;
+ char *copy2 = NULL;
unsigned char c;
orig = name;
- name = copy = (char *) alloca (strlen (name) + 1);
+ if (copy != NULL)
+ copy2 = copy;
+ name = copy = xmalloc (strlen (name) + 1);
while ((c = *orig++) != '\0')
- {
- *copy++ = TOUPPER (c);
- }
+ *copy++ = TOUPPER (c);
*copy = '\0';
+
+ if (copy2 != NULL)
+ free (copy2);
+ copy = (char *) name;
}
- return symbol_find_exact_noref (name, noref);
+ result = symbol_find_exact_noref (name, noref);
+ if (copy != NULL)
+ free (copy);
+ return result;
}
/* Once upon a time, symbols were kept in a singly linked list. At
for (; symbol_next (symbolP) != NULL; symbolP = symbol_next (symbolP))
{
gas_assert (symbolP->bsym != NULL);
+ gas_assert (symbolP->sy_flags.sy_local_symbol == 0);
gas_assert (symbolP->sy_next->sy_previous == symbolP);
}
if ( (S_IS_COMMON (symp->sy_value.X_add_symbol)
|| S_IS_LOCAL (symp->sy_value.X_add_symbol))
- &&
+ &&
(S_IS_COMMON (symp->sy_value.X_op_symbol)
|| S_IS_LOCAL (symp->sy_value.X_op_symbol))
&& S_GET_SEGMENT (symp->sy_value.X_op_symbol) != expr_section)
return 0;
break;
-
+
default:
break;
}
#endif
static void
-report_op_error (symbolS *symp, symbolS *left, symbolS *right)
+report_op_error (symbolS *symp, symbolS *left, operatorT op, symbolS *right)
{
- char *file;
+ const char *file;
unsigned int line;
- segT seg_left = S_GET_SEGMENT (left);
- segT seg_right = right ? S_GET_SEGMENT (right) : 0;
+ segT seg_left = left ? S_GET_SEGMENT (left) : 0;
+ segT seg_right = S_GET_SEGMENT (right);
+ const char *opname;
+
+ switch (op)
+ {
+ default:
+ abort ();
+ return;
+
+ case O_uminus: opname = "-"; break;
+ case O_bit_not: opname = "~"; break;
+ case O_logical_not: opname = "!"; break;
+ case O_multiply: opname = "*"; break;
+ case O_divide: opname = "/"; break;
+ case O_modulus: opname = "%"; break;
+ case O_left_shift: opname = "<<"; break;
+ case O_right_shift: opname = ">>"; break;
+ case O_bit_inclusive_or: opname = "|"; break;
+ case O_bit_or_not: opname = "|~"; break;
+ case O_bit_exclusive_or: opname = "^"; break;
+ case O_bit_and: opname = "&"; break;
+ case O_add: opname = "+"; break;
+ case O_subtract: opname = "-"; break;
+ case O_eq: opname = "=="; break;
+ case O_ne: opname = "!="; break;
+ case O_lt: opname = "<"; break;
+ case O_le: opname = "<="; break;
+ case O_ge: opname = ">="; break;
+ case O_gt: opname = ">"; break;
+ case O_logical_and: opname = "&&"; break;
+ case O_logical_or: opname = "||"; break;
+ }
if (expr_symbol_where (symp, &file, &line))
{
- if (seg_left == undefined_section)
+ if (left)
as_bad_where (file, line,
- _("undefined symbol `%s' in operation"),
- S_GET_NAME (left));
- if (seg_right == undefined_section)
+ _("invalid operands (%s and %s sections) for `%s'"),
+ seg_left->name, seg_right->name, opname);
+ else
as_bad_where (file, line,
- _("undefined symbol `%s' in operation"),
- S_GET_NAME (right));
- if (seg_left != undefined_section
- && seg_right != undefined_section)
- {
- if (right)
- as_bad_where (file, line,
- _("invalid sections for operation on `%s' and `%s'"),
- S_GET_NAME (left), S_GET_NAME (right));
- else
- as_bad_where (file, line,
- _("invalid section for operation on `%s'"),
- S_GET_NAME (left));
- }
-
+ _("invalid operand (%s section) for `%s'"),
+ seg_right->name, opname);
}
else
{
- if (seg_left == undefined_section)
- as_bad (_("undefined symbol `%s' in operation setting `%s'"),
- S_GET_NAME (left), S_GET_NAME (symp));
- if (seg_right == undefined_section)
- as_bad (_("undefined symbol `%s' in operation setting `%s'"),
- S_GET_NAME (right), S_GET_NAME (symp));
- if (seg_left != undefined_section
- && seg_right != undefined_section)
- {
- if (right)
- as_bad (_("invalid sections for operation on `%s' and `%s' setting `%s'"),
- S_GET_NAME (left), S_GET_NAME (right), S_GET_NAME (symp));
- else
- as_bad (_("invalid section for operation on `%s' setting `%s'"),
- S_GET_NAME (left), S_GET_NAME (symp));
- }
+ const char *sname = S_GET_NAME (symp);
+
+ if (left)
+ as_bad (_("invalid operands (%s and %s sections) for `%s' when setting `%s'"),
+ seg_left->name, seg_right->name, opname, sname);
+ else
+ as_bad (_("invalid operand (%s section) for `%s' when setting `%s'"),
+ seg_right->name, opname, sname);
}
}
return final_val;
}
- if (symp->sy_resolved)
+ if (symp->sy_flags.sy_resolved)
{
if (symp->sy_value.X_op == O_constant)
return (valueT) symp->sy_value.X_add_number;
resolved = 0;
final_seg = S_GET_SEGMENT (symp);
- if (symp->sy_resolving)
+ if (symp->sy_flags.sy_resolving)
{
if (finalize_syms)
as_bad (_("symbol definition loop encountered at `%s'"),
if (symp->bsym->flags & BSF_SRELC)
relc_symbol->bsym->flags |= BSF_SRELC;
else
- relc_symbol->bsym->flags |= BSF_RELC;
+ relc_symbol->bsym->flags |= BSF_RELC;
/* symp->bsym->flags |= BSF_RELC; */
copy_symbol_attributes (symp, relc_symbol);
symp->sy_value.X_op = O_symbol;
operatorT op;
int move_seg_ok;
- symp->sy_resolving = 1;
+ symp->sy_flags.sy_resolving = 1;
/* Help out with CSE. */
add_symbol = symp->sy_value.X_add_symbol;
}
}
- if (symp->sy_mri_common)
+ if (symp->sy_flags.sy_mri_common)
{
/* This is a symbol inside an MRI common section. The
relocation routines are going to handle it specially.
symp->sy_value.X_add_number = final_val;
/* Use X_op_symbol as a flag. */
symp->sy_value.X_op_symbol = add_symbol;
- final_seg = seg_left;
}
+ final_seg = seg_left;
final_val = 0;
resolved = symbol_resolved_p (add_symbol);
- symp->sy_resolving = 0;
+ symp->sy_flags.sy_resolving = 0;
goto exit_dont_set_value;
}
else if (finalize_syms
final_seg = seg_left;
final_val += symp->sy_frag->fr_address + left;
resolved = symbol_resolved_p (add_symbol);
- symp->sy_resolving = 0;
+ symp->sy_flags.sy_resolving = 0;
goto exit_dont_set_value;
}
else
~S -> S ^ ~0 only permitted on absolute */
if (op != O_logical_not && seg_left != absolute_section
&& finalize_syms)
- report_op_error (symp, add_symbol, NULL);
+ report_op_error (symp, NULL, op, add_symbol);
if (final_seg == expr_section || final_seg == undefined_section)
final_seg = absolute_section;
probably need to be changed for an object file format which
supports arbitrary expressions, such as IEEE-695. */
if (!(seg_left == absolute_section
- && seg_right == absolute_section)
+ && seg_right == absolute_section)
&& !(op == O_eq || op == O_ne)
&& !((op == O_subtract
|| op == O_lt || op == O_le || op == O_ge || op == O_gt)
/* Don't emit messages unless we're finalizing the symbol value,
otherwise we may get the same message multiple times. */
if (finalize_syms)
- report_op_error (symp, add_symbol, op_symbol);
+ report_op_error (symp, add_symbol, op, op_symbol);
/* However do not move the symbol into the absolute section
if it cannot currently be resolved - this would confuse
other parts of the assembler into believing that the
already issued a warning about using a bad symbol. */
if (seg_right == absolute_section && finalize_syms)
{
- char *file;
+ const char *file;
unsigned int line;
if (expr_symbol_where (symp, &file, &line))
break;
}
- symp->sy_resolving = 0;
+ symp->sy_flags.sy_resolving = 0;
}
if (finalize_syms)
if (finalize_syms)
{
if (resolved)
- symp->sy_resolved = 1;
+ symp->sy_flags.sy_resolved = 1;
else if (S_GET_SEGMENT (symp) != expr_section)
{
as_bad (_("can't resolve value for symbol `%s'"),
S_GET_NAME (symp));
- symp->sy_resolved = 1;
+ symp->sy_flags.sy_resolved = 1;
}
}
{
expressionS exp = symbolP->sy_value;
- if (!symbolP->sy_resolved && exp.X_op != O_illegal)
+ if (!symbolP->sy_flags.sy_resolved && exp.X_op != O_illegal)
{
int resolved;
- if (symbolP->sy_resolving)
+ if (symbolP->sy_flags.sy_resolving)
return 0;
- symbolP->sy_resolving = 1;
+ symbolP->sy_flags.sy_resolving = 1;
resolved = resolve_expression (&exp);
- symbolP->sy_resolving = 0;
+ symbolP->sy_flags.sy_resolving = 0;
if (!resolved)
return 0;
of ^A. */
char * /* Return local label name. */
-dollar_label_name (register long n, /* we just saw "n$:" : n a number. */
- register int augend /* 0 for current instance, 1 for new instance. */)
+dollar_label_name (long n, /* we just saw "n$:" : n a number. */
+ int augend /* 0 for current instance, 1 for new instance. */)
{
long i;
/* Returned to caller, then copied. Used for created names ("4f"). */
static char symbol_name_build[24];
- register char *p;
- register char *q;
+ char *p;
+ char *q;
char symbol_name_temporary[20]; /* Build up a number, BACKWARDS. */
know (n >= 0);
*q = i % 10 + '0';
i /= 10;
}
- while ((*p++ = *--q) != '\0');;
+ while ((*p++ = *--q) != '\0');
/* The label, as a '\0' ended string, starts at symbol_name_build. */
return symbol_name_build;
{
long *i;
- if (label < FB_LABEL_SPECIAL)
+ if ((unsigned long) label < FB_LABEL_SPECIAL)
{
++fb_low_counter[label];
return;
{
long *i;
- if (label < FB_LABEL_SPECIAL)
+ if ((unsigned long) label < FB_LABEL_SPECIAL)
{
return (fb_low_counter[label]);
}
long i;
/* Returned to caller, then copied. Used for created names ("4f"). */
static char symbol_name_build[24];
- register char *p;
- register char *q;
+ char *p;
+ char *q;
char symbol_name_temporary[20]; /* Build up a number, BACKWARDS. */
know (n >= 0);
*q = i % 10 + '0';
i /= 10;
}
- while ((*p++ = *--q) != '\0');;
+ while ((*p++ = *--q) != '\0');
/* The label, as a '\0' ended string, starts at symbol_name_build. */
return (symbol_name_build);
char *symbol_decode;
int label_number;
int instance_number;
- char *type;
+ const char *type;
const char *message_format;
int lindex = 0;
if (LOCAL_SYMBOL_CHECK (s))
return resolve_symbol_value (s);
- if (!s->sy_resolved)
+ if (!s->sy_flags.sy_resolved)
{
valueT val = resolve_symbol_value (s);
if (!finalize_syms)
if (s->sy_value.X_op != O_constant)
{
- if (! s->sy_resolved
+ if (! s->sy_flags.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'"),
{
if (LOCAL_SYMBOL_CHECK (s))
return 0;
- return s->sy_weakrefr != 0;
+ return s->sy_flags.sy_weakrefr != 0;
}
int
{
if (LOCAL_SYMBOL_CHECK (s))
return 0;
- return s->sy_weakrefd != 0;
+ return s->sy_flags.sy_weakrefd != 0;
}
int
return ((strict
&& ((s->bsym->flags & BSF_WEAK) != 0
- || (s->bsym->flags & BSF_GNU_INDIRECT_FUNCTION) != 0
|| (EXTERN_FORCE_RELOC
&& (s->bsym->flags & BSF_GLOBAL) != 0)))
+ || (s->bsym->flags & BSF_GNU_INDIRECT_FUNCTION) != 0
|| s->bsym->section == undefined_section
|| bfd_is_com_section (s->bsym->section));
}
&& ! S_IS_DEBUG (s)
&& (strchr (name, DOLLAR_LABEL_CHAR)
|| strchr (name, LOCAL_LABEL_CHAR)
+ || TC_LABEL_IS_LOCAL (name)
|| (! flag_keep_locals
&& (bfd_is_local_label (stdoutput, s->bsym)
|| (flag_mri
return S_GET_NAME (s) == 0;
}
+int
+S_CAN_BE_REDEFINED (const symbolS *s)
+{
+ if (LOCAL_SYMBOL_CHECK (s))
+ return (local_symbol_get_frag ((struct local_symbol *) s)
+ == &predefined_address_frag);
+ /* Permit register names to be redefined. */
+ return s->bsym->section == reg_section;
+}
+
int
S_IS_VOLATILE (const symbolS *s)
{
if (LOCAL_SYMBOL_CHECK (s))
return 0;
- return s->sy_volatile;
+ return s->sy_flags.sy_volatile;
}
int
{
if (LOCAL_SYMBOL_CHECK (s))
return 0;
- return s->sy_forward_ref;
+ return s->sy_flags.sy_forward_ref;
}
const char *
}
if (s->bsym->flags & BSF_SECTION_SYM)
{
- char * file;
- unsigned int line;
-
/* Do not reassign section symbols. */
- as_where (& file, & line);
- as_warn_where (file, line,
- _("section symbols are already global"));
+ as_warn (_("section symbols are already global"));
return;
}
#ifndef TC_GLOBAL_REGISTER_SYMBOL_OK
{
if (LOCAL_SYMBOL_CHECK (s))
s = local_symbol_convert ((struct local_symbol *) s);
- s->sy_weakrefr = 1;
+ s->sy_flags.sy_weakrefr = 1;
/* If the alias was already used, make sure we mark the target as
used as well, otherwise it might be dropped from the symbol
table. This may have unintended side effects if the alias is
later redirected to another symbol, such as keeping the unused
previous target in the symbol table. Since it will be weak, it's
not a big deal. */
- if (s->sy_used)
+ if (s->sy_flags.sy_used)
symbol_mark_used (s->sy_value.X_add_symbol);
}
{
if (LOCAL_SYMBOL_CHECK (s))
return;
- s->sy_weakrefr = 0;
+ s->sy_flags.sy_weakrefr = 0;
}
void
{
if (LOCAL_SYMBOL_CHECK (s))
s = local_symbol_convert ((struct local_symbol *) s);
- s->sy_weakrefd = 1;
+ s->sy_flags.sy_weakrefd = 1;
S_SET_WEAK (s);
}
{
if (LOCAL_SYMBOL_CHECK (s))
return;
- if (s->sy_weakrefd)
+ if (s->sy_flags.sy_weakrefd)
{
- s->sy_weakrefd = 0;
+ s->sy_flags.sy_weakrefd = 0;
/* If a weakref target symbol is weak, then it was never
referenced directly before, not even in a .global directive,
so decay it to local. If it remains undefined, it will be
{
if (LOCAL_SYMBOL_CHECK (s))
s = local_symbol_convert ((struct local_symbol *) s);
- s->sy_volatile = 1;
+ s->sy_flags.sy_volatile = 1;
}
void
S_CLEAR_VOLATILE (symbolS *s)
{
if (!LOCAL_SYMBOL_CHECK (s))
- s->sy_volatile = 0;
+ s->sy_flags.sy_volatile = 0;
}
void
{
if (LOCAL_SYMBOL_CHECK (s))
s = local_symbol_convert ((struct local_symbol *) s);
- s->sy_forward_ref = 1;
+ s->sy_flags.sy_forward_ref = 1;
}
/* Return the previous symbol in a chain. */
int
symbol_same_p (symbolS *s1, symbolS *s2)
{
- if (s1->bsym == NULL
+ if (s1->sy_flags.sy_local_symbol
&& local_symbol_converted_p ((struct local_symbol *) s1))
s1 = local_symbol_get_real_symbol ((struct local_symbol *) s1);
- if (s2->bsym == NULL
+ if (s2->sy_flags.sy_local_symbol
&& local_symbol_converted_p ((struct local_symbol *) s2))
s2 = local_symbol_get_real_symbol ((struct local_symbol *) s2);
return s1 == s2;
{
if (LOCAL_SYMBOL_CHECK (s))
return;
- s->sy_used = 1;
+ s->sy_flags.sy_used = 1;
if (S_IS_WEAKREFR (s))
symbol_mark_used (s->sy_value.X_add_symbol);
}
{
if (LOCAL_SYMBOL_CHECK (s))
s = local_symbol_convert ((struct local_symbol *) s);
- s->sy_used = 0;
+ s->sy_flags.sy_used = 0;
}
/* Return whether a symbol has been used. */
{
if (LOCAL_SYMBOL_CHECK (s))
return 1;
- return s->sy_used;
+ return s->sy_flags.sy_used;
}
/* Mark a symbol as having been used in a reloc. */
{
if (LOCAL_SYMBOL_CHECK (s))
s = local_symbol_convert ((struct local_symbol *) s);
- s->sy_used_in_reloc = 1;
+ s->sy_flags.sy_used_in_reloc = 1;
}
/* Clear the mark of whether a symbol has been used in a reloc. */
{
if (LOCAL_SYMBOL_CHECK (s))
return;
- s->sy_used_in_reloc = 0;
+ s->sy_flags.sy_used_in_reloc = 0;
}
/* Return whether a symbol has been used in a reloc. */
{
if (LOCAL_SYMBOL_CHECK (s))
return 0;
- return s->sy_used_in_reloc;
+ return s->sy_flags.sy_used_in_reloc;
}
/* Mark a symbol as an MRI common symbol. */
{
if (LOCAL_SYMBOL_CHECK (s))
s = local_symbol_convert ((struct local_symbol *) s);
- s->sy_mri_common = 1;
+ s->sy_flags.sy_mri_common = 1;
}
/* Clear the mark of whether a symbol is an MRI common symbol. */
{
if (LOCAL_SYMBOL_CHECK (s))
return;
- s->sy_mri_common = 0;
+ s->sy_flags.sy_mri_common = 0;
}
/* Return whether a symbol is an MRI common symbol. */
{
if (LOCAL_SYMBOL_CHECK (s))
return 0;
- return s->sy_mri_common;
+ return s->sy_flags.sy_mri_common;
}
/* Mark a symbol as having been written. */
{
if (LOCAL_SYMBOL_CHECK (s))
return;
- s->written = 1;
+ s->sy_flags.sy_written = 1;
}
/* Clear the mark of whether a symbol has been written. */
{
if (LOCAL_SYMBOL_CHECK (s))
return;
- s->written = 0;
+ s->sy_flags.sy_written = 0;
}
/* Return whether a symbol has been written. */
{
if (LOCAL_SYMBOL_CHECK (s))
return 0;
- return s->written;
+ return s->sy_flags.sy_written;
}
/* Mark a symbol has having been resolved. */
local_symbol_mark_resolved ((struct local_symbol *) s);
return;
}
- s->sy_resolved = 1;
+ s->sy_flags.sy_resolved = 1;
}
/* Return whether a symbol has been resolved. */
{
if (LOCAL_SYMBOL_CHECK (s))
return local_symbol_resolved_p ((struct local_symbol *) s);
- return s->sy_resolved;
+ return s->sy_flags.sy_resolved;
}
/* Return whether a symbol is a section symbol. */
#if defined (OBJ_COFF) && defined (TE_PE)
&& ! S_IS_WEAK (s)
#endif
- && ((s->sy_resolved && s->sy_value.X_op_symbol != NULL)
+ && ((s->sy_flags.sy_resolved && s->sy_value.X_op_symbol != NULL)
|| ! S_IS_DEFINED (s)
|| S_IS_COMMON (s)));
}
memset ((char *) (&abs_symbol), '\0', sizeof (abs_symbol));
#if defined (EMIT_SECTION_SYMBOLS) || !defined (RELOC_REQUIRES_SYMBOL)
- abs_symbol.bsym = bfd_abs_section.symbol;
+ abs_symbol.bsym = bfd_abs_section_ptr->symbol;
#endif
abs_symbol.sy_value.X_op = O_constant;
abs_symbol.sy_frag = &zero_address_frag;
if (LOCAL_LABELS_FB)
fb_label_init ();
}
+
+void
+dot_symbol_init (void)
+{
+ dot_symbol.bsym = bfd_make_empty_symbol (stdoutput);
+ if (dot_symbol.bsym == NULL)
+ as_fatal ("bfd_make_empty_symbol: %s", bfd_errmsg (bfd_get_error ()));
+ dot_symbol.bsym->name = ".";
+ dot_symbol.sy_flags.sy_forward_ref = 1;
+ dot_symbol.sy_value.X_op = O_constant;
+}
\f
int indent_level;
fprintf (file, " frag ");
fprintf_vma (file, (bfd_vma) ((bfd_hostptr_t) sym->sy_frag));
}
- if (sym->written)
+ if (sym->sy_flags.sy_written)
fprintf (file, " written");
- if (sym->sy_resolved)
+ if (sym->sy_flags.sy_resolved)
fprintf (file, " resolved");
- else if (sym->sy_resolving)
+ else if (sym->sy_flags.sy_resolving)
fprintf (file, " resolving");
- if (sym->sy_used_in_reloc)
+ if (sym->sy_flags.sy_used_in_reloc)
fprintf (file, " used-in-reloc");
- if (sym->sy_used)
+ if (sym->sy_flags.sy_used)
fprintf (file, " used");
if (S_IS_LOCAL (sym))
fprintf (file, " local");
char *
symbol_relc_make_expr (expressionS * exp)
{
- char * opstr = NULL; /* Operator prefix string. */
+ const char * opstr = NULL; /* Operator prefix string. */
int arity = 0; /* Arity of this operator. */
char * operands[3]; /* Up to three operands. */
char * concat_string = NULL;
gas_assert (exp != NULL);
/* Match known operators -> fill in opstr, arity, operands[] and fall
- through to construct subexpression fragments; may instead return
+ through to construct subexpression fragments; may instead return
string directly for leaf nodes. */
- /* See expr.h for the meaning of all these enums. Many operators
+ /* See expr.h for the meaning of all these enums. Many operators
have an unnatural arity (X_add_number implicitly added). The
conversion logic expands them to explicit "+" subexpressions. */
return symbol_relc_make_value (exp->X_add_number);
case O_symbol:
- if (exp->X_add_number)
- {
- arity = 2;
- opstr = "+";
+ if (exp->X_add_number)
+ {
+ arity = 2;
+ opstr = "+";
operands[0] = symbol_relc_make_sym (exp->X_add_symbol);
operands[1] = symbol_relc_make_value (exp->X_add_number);
break;
operands[0] = symbol_relc_make_sym (exp->X_add_symbol); \
} \
break
-
+
#define HANDLE_XADD_OPT2(str_) \
if (exp->X_add_number) \
{ \
else
{
/* Allocate new string; include inter-operand padding gaps etc. */
- concat_string = xmalloc (strlen (opstr)
+ concat_string = xmalloc (strlen (opstr)
+ 1
+ (arity >= 1 ? (strlen (operands[0]) + 1 ) : 0)
+ (arity >= 2 ? (strlen (operands[1]) + 1 ) : 0)
+ (arity >= 3 ? (strlen (operands[2]) + 0 ) : 0)
+ 1);
gas_assert (concat_string != NULL);
-
+
/* Format the thing. */
- sprintf (concat_string,
+ sprintf (concat_string,
(arity == 0 ? "%s" :
arity == 1 ? "%s:%s" :
arity == 2 ? "%s:%s:%s" :
projects / deliverable / binutils-gdb.git / blobdiff