/* symbols.c -symbol table-
- Copyright (C) 1987-2014 Free Software Foundation, Inc.
+ Copyright (C) 1987-2016 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
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);
/* 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)
{
size_t name_length;
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);
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;
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 = XNEWVEC (char, 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
static void
report_op_error (symbolS *symp, symbolS *left, operatorT op, symbolS *right)
{
- char *file;
+ const char *file;
unsigned int line;
segT seg_left = left ? S_GET_SEGMENT (left) : 0;
segT seg_right = S_GET_SEGMENT (right);
resolved = symbol_resolved_p (add_symbol);
if (S_IS_WEAKREFR (symp))
- goto exit_dont_set_value;
+ {
+ symp->sy_flags.sy_resolving = 0;
+ goto exit_dont_set_value;
+ }
break;
case O_uminus:
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))
if (dollar_labels == NULL)
{
- dollar_labels = (long *) xmalloc (DOLLAR_LABEL_BUMP_BY * sizeof (long));
- dollar_label_instances = (long *) xmalloc (DOLLAR_LABEL_BUMP_BY * sizeof (long));
- dollar_label_defines = (char *) xmalloc (DOLLAR_LABEL_BUMP_BY);
+ dollar_labels = XNEWVEC (long, DOLLAR_LABEL_BUMP_BY);
+ dollar_label_instances = XNEWVEC (long, DOLLAR_LABEL_BUMP_BY);
+ dollar_label_defines = XNEWVEC (char, DOLLAR_LABEL_BUMP_BY);
dollar_label_max = DOLLAR_LABEL_BUMP_BY;
dollar_label_count = 0;
}
else if (dollar_label_count == dollar_label_max)
{
dollar_label_max += DOLLAR_LABEL_BUMP_BY;
- dollar_labels = (long *) xrealloc ((char *) dollar_labels,
- dollar_label_max * sizeof (long));
- dollar_label_instances = (long *) xrealloc ((char *) dollar_label_instances,
- dollar_label_max * sizeof (long));
- dollar_label_defines = (char *) xrealloc (dollar_label_defines, dollar_label_max);
+ dollar_labels = XRESIZEVEC (long, dollar_labels, dollar_label_max);
+ dollar_label_instances = XRESIZEVEC (long, dollar_label_instances,
+ dollar_label_max);
+ dollar_label_defines = XRESIZEVEC (char, dollar_label_defines,
+ dollar_label_max);
} /* if we needed to grow */
dollar_labels[dollar_label_count] = label;
if (fb_labels == NULL)
{
- fb_labels = (long *) xmalloc (FB_LABEL_BUMP_BY * sizeof (long));
- fb_label_instances = (long *) xmalloc (FB_LABEL_BUMP_BY * sizeof (long));
+ fb_labels = XNEWVEC (long, FB_LABEL_BUMP_BY);
+ fb_label_instances = XNEWVEC (long, FB_LABEL_BUMP_BY);
fb_label_max = FB_LABEL_BUMP_BY;
fb_label_count = FB_LABEL_SPECIAL;
else if (fb_label_count == fb_label_max)
{
fb_label_max += FB_LABEL_BUMP_BY;
- fb_labels = (long *) xrealloc ((char *) fb_labels,
- fb_label_max * sizeof (long));
- fb_label_instances = (long *) xrealloc ((char *) fb_label_instances,
- fb_label_max * sizeof (long));
+ fb_labels = XRESIZEVEC (long, fb_labels, fb_label_max);
+ fb_label_instances = XRESIZEVEC (long, fb_label_instances, fb_label_max);
} /* if we needed to grow */
fb_labels[fb_label_count] = label;
char *symbol_decode;
int label_number;
int instance_number;
- char *type;
+ const char *type;
const char *message_format;
int lindex = 0;
}
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
sname_len = strlen (sname);
typetag = symbol_section_p (sym) ? 'S' : 's';
- terminal = xmalloc (1 /* S or s */
- + 8 /* sname_len in decimal */
- + 1 /* _ spacer */
- + sname_len /* name itself */
- + 1 /* \0 */ );
+ terminal = XNEWVEC (char, (1 /* S or s */
+ + 8 /* sname_len in decimal */
+ + 1 /* _ spacer */
+ + sname_len /* name itself */
+ + 1 /* \0 */ ));
sprintf (terminal, "%c%d:%s", typetag, sname_len, sname);
return terminal;
char *
symbol_relc_make_value (offsetT val)
{
- char * terminal = xmalloc (28); /* Enough for long long. */
+ char * terminal = XNEWVEC (char, 28); /* Enough for long long. */
terminal[0] = '#';
bfd_sprintf_vma (stdoutput, terminal + 1, val);
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;
if (opstr == NULL)
concat_string = NULL;
+ else if (arity == 0)
+ concat_string = xstrdup (opstr);
+ else if (arity == 1)
+ concat_string = concat (opstr, ":", operands[0], (char *) NULL);
+ else if (arity == 2)
+ concat_string = concat (opstr, ":", operands[0], ":", operands[1],
+ (char *) NULL);
else
- {
- /* Allocate new string; include inter-operand padding gaps etc. */
- 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,
- (arity == 0 ? "%s" :
- arity == 1 ? "%s:%s" :
- arity == 2 ? "%s:%s:%s" :
- /* arity == 3 */ "%s:%s:%s:%s"),
- opstr, operands[0], operands[1], operands[2]);
- }
+ concat_string = concat (opstr, ":", operands[0], ":", operands[1], ":",
+ operands[2], (char *) NULL);
/* Free operand strings (not opstr). */
if (arity >= 1) xfree (operands[0]);
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