static void
obj_mach_o_weak (int ignore ATTRIBUTE_UNUSED)
{
char *name;
int c;
symbolS *symbolP;
do
{
/* Get symbol name. */
name = input_line_pointer;
c = get_symbol_end ();
symbolP = symbol_find_or_make (name);
S_SET_WEAK (symbolP);
*input_line_pointer = c;
SKIP_WHITESPACE ();
if (c != ',')
break;
input_line_pointer++;
SKIP_WHITESPACE ();
}
while (*input_line_pointer != '\n');
demand_empty_rest_of_line ();
}
static bfd_boolean
other_register_name (expressionS *expressionP)
{
int reg_number;
char *name;
char *start;
char c;
/* Find the spelling of the operand. */
start = name = input_line_pointer;
c = get_symbol_end ();
reg_number = reg_name_search (other_registers, OTHER_REG_NAME_CNT, name);
/* Put back the delimiting char. */
*input_line_pointer = c;
/* Look to see if it's in the register table. */
if (reg_number >= 0)
{
expressionP->X_op = O_register;
expressionP->X_add_number = reg_number;
/* Make the rest nice. */
expressionP->X_add_symbol = NULL;
expressionP->X_op_symbol = NULL;
return TRUE;
}
/* Reset the line as if we had not done anything. */
input_line_pointer = start;
return FALSE;
}
static void
obj_coff_tag (int ignore ATTRIBUTE_UNUSED)
{
char *symbol_name;
char name_end;
if (def_symbol_in_progress == NULL)
{
as_warn (_(".tag pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
symbol_name = input_line_pointer;
name_end = get_symbol_end ();
#ifdef tc_canonicalize_symbol_name
symbol_name = tc_canonicalize_symbol_name (symbol_name);
#endif
/* Assume that the symbol referred to by .tag is always defined.
This was a bad assumption. I've added find_or_make. xoxorich. */
SA_SET_SYM_TAGNDX (def_symbol_in_progress,
tag_find_or_make (symbol_name));
if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L)
as_warn (_("tag not found for .tag %s"), symbol_name);
SF_SET_TAGGED (def_symbol_in_progress);
*input_line_pointer = name_end;
demand_empty_rest_of_line ();
}
static void
s_common()
{
register char *name;
register char c;
register char *p;
register int temp;
register symbolS * symbolP;
name = input_line_pointer;
c = get_symbol_end();
/* just after name is now '\0' */
p = input_line_pointer;
*p = c;
SKIP_WHITESPACE();
if ( * input_line_pointer != ',' ) {
as_warn("Expected comma after symbol-name");
ignore_rest_of_line();
return;
}
input_line_pointer ++; /* skip ',' */
if ( (temp = get_absolute_expression ()) < 0 ) {
as_warn(".COMMon length (%d.) <0! Ignored.", temp);
ignore_rest_of_line();
return;
}
*p = 0;
symbolP = symbol_find_or_make (name);
*p = c;
if ( (symbolP->sy_type & N_TYPE) != N_UNDF ||
symbolP->sy_other != 0 || symbolP->sy_desc != 0) {
as_warn( "Ignoring attempt to re-define symbol");
ignore_rest_of_line();
return;
}
if (symbolP->sy_value) {
if (symbolP->sy_value != temp) {
as_warn( "Length of .comm \"%s\" is already %d. Not changed to %d.",
symbolP->sy_name, symbolP->sy_value, temp);
}
} else {
symbolP->sy_value = temp;
symbolP->sy_type |= N_EXT;
}
know(symbolP->sy_frag == &zero_address_frag);
if (strncmp(input_line_pointer, ",\"bss\"", 6) != 0) {
p=input_line_pointer;
while(*p && *p!='\n')
p++;
c= *p;
*p='\0';
as_warn("bad .common segment: `%s'", input_line_pointer);
*p=c;
return;
}
input_line_pointer += 6;
demand_empty_rest_of_line();
return;
}
void
s_ifdef (int test_defined)
{
/* Points to name of symbol. */
char *name;
/* Points to symbol. */
symbolS *symbolP;
struct conditional_frame cframe;
char c;
/* Leading whitespace is part of operand. */
SKIP_WHITESPACE ();
name = input_line_pointer;
if (!is_name_beginner (*name))
{
as_bad (_("invalid identifier for \".ifdef\""));
obstack_1grow (&cond_obstack, 0);
ignore_rest_of_line ();
return;
}
c = get_symbol_end ();
symbolP = symbol_find (name);
*input_line_pointer = c;
initialize_cframe (&cframe);
if (cframe.dead_tree)
cframe.ignoring = 1;
else
{
int is_defined;
/* Use the same definition of 'defined' as .equiv so that a symbol
which has been referenced but not yet given a value/address is
considered to be undefined. */
is_defined =
symbolP != NULL
&& S_IS_DEFINED (symbolP)
&& S_GET_SEGMENT (symbolP) != reg_section;
cframe.ignoring = ! (test_defined ^ is_defined);
}
current_cframe = ((struct conditional_frame *)
obstack_copy (&cond_obstack, &cframe,
sizeof (cframe)));
if (LISTING_SKIP_COND ()
&& cframe.ignoring
&& (cframe.previous_cframe == NULL
|| ! cframe.previous_cframe->ignoring))
listing_list (2);
demand_empty_rest_of_line ();
}
static void
obj_coff_val (int ignore ATTRIBUTE_UNUSED)
{
if (def_symbol_in_progress == NULL)
{
as_warn (_(".val pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
if (is_name_beginner (*input_line_pointer))
{
char *symbol_name = input_line_pointer;
char name_end = get_symbol_end ();
#ifdef tc_canonicalize_symbol_name
symbol_name = tc_canonicalize_symbol_name (symbol_name);
#endif
if (streq (symbol_name, "."))
{
/* If the .val is != from the .def (e.g. statics). */
symbol_set_frag (def_symbol_in_progress, frag_now);
S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
}
else if (! streq (S_GET_NAME (def_symbol_in_progress), symbol_name))
{
expressionS exp;
exp.X_op = O_symbol;
exp.X_add_symbol = symbol_find_or_make (symbol_name);
exp.X_op_symbol = NULL;
exp.X_add_number = 0;
symbol_set_value_expression (def_symbol_in_progress, &exp);
/* If the segment is undefined when the forward reference is
resolved, then copy the segment id from the forward
symbol. */
SF_SET_GET_SEGMENT (def_symbol_in_progress);
/* FIXME: gcc can generate address expressions here in
unusual cases (search for "obscure" in sdbout.c). We
just ignore the offset here, thus generating incorrect
debugging information. We ignore the rest of the line
just below. */
}
/* Otherwise, it is the name of a non debug symbol and its value
will be calculated later. */
*input_line_pointer = name_end;
}
else
{
S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ());
}
demand_empty_rest_of_line ();
}
/*
* sort of like s_lcomm
*
*/
static void
s_reserve()
{
char *name;
char c;
char *p;
int temp;
symbolS *symbolP;
name = input_line_pointer;
c = get_symbol_end();
p = input_line_pointer;
*p = c;
SKIP_WHITESPACE();
if ( * input_line_pointer != ',' ) {
as_warn("Expected comma after name");
ignore_rest_of_line();
return;
}
input_line_pointer ++;
if ((temp = get_absolute_expression()) < 0) {
as_warn("BSS length (%d.) <0! Ignored.", temp);
ignore_rest_of_line();
return;
}
*p = 0;
symbolP = symbol_find_or_make(name);
*p = c;
if (strncmp(input_line_pointer, ",\"bss\"", 6) != 0) {
as_warn("bad .reserve segment: `%s'", input_line_pointer);
return;
}
input_line_pointer += 6;
if (symbolP->sy_other == 0
&& symbolP->sy_desc == 0
&& ((symbolP->sy_type == N_BSS
&& symbolP->sy_value == local_bss_counter)
|| ((symbolP->sy_type & N_TYPE) == N_UNDF
&& symbolP->sy_value == 0))) {
symbolP->sy_value = local_bss_counter;
symbolP->sy_type = N_BSS;
symbolP->sy_frag = & bss_address_frag;
local_bss_counter += temp;
} else {
as_warn( "Ignoring attempt to re-define symbol from %d. to %d.",
symbolP->sy_value, local_bss_counter );
}
demand_empty_rest_of_line();
return;
}
static void
dot_cfi_sections (int ignored ATTRIBUTE_UNUSED)
{
int sections = 0;
SKIP_WHITESPACE ();
if (is_name_beginner (*input_line_pointer))
while (1)
{
char *name, c;
name = input_line_pointer;
c = get_symbol_end ();
if (strncmp (name, ".eh_frame", sizeof ".eh_frame") == 0
&& name[9] != '_')
sections |= CFI_EMIT_eh_frame;
else if (strncmp (name, ".debug_frame", sizeof ".debug_frame") == 0)
sections |= CFI_EMIT_debug_frame;
#ifdef tc_cfi_section_name
else if (strcmp (name, tc_cfi_section_name) == 0)
sections |= CFI_EMIT_target;
#endif
else
{
*input_line_pointer = c;
input_line_pointer = name;
break;
}
*input_line_pointer = c;
SKIP_WHITESPACE ();
if (*input_line_pointer == ',')
{
name = input_line_pointer++;
SKIP_WHITESPACE ();
if (!is_name_beginner (*input_line_pointer))
{
input_line_pointer = name;
break;
}
}
else if (is_name_beginner (*input_line_pointer))
break;
}
demand_empty_rest_of_line ();
cfi_sections = sections;
}
static unsigned
cfi_parse_reg (void)
{
int regno;
expressionS exp;
#ifdef tc_regname_to_dw2regnum
SKIP_WHITESPACE ();
if (is_name_beginner (*input_line_pointer)
|| (*input_line_pointer == '%'
&& is_name_beginner (*++input_line_pointer)))
{
char *name, c;
name = input_line_pointer;
c = get_symbol_end ();
if ((regno = tc_regname_to_dw2regnum (name)) < 0)
{
as_bad (_("bad register expression"));
regno = 0;
}
*input_line_pointer = c;
return regno;
}
#endif
expression_and_evaluate (&exp);
switch (exp.X_op)
{
case O_register:
case O_constant:
regno = exp.X_add_number;
break;
default:
as_bad (_("bad register expression"));
regno = 0;
break;
}
return regno;
}
static void
dot_cfi_startproc (int ignored ATTRIBUTE_UNUSED)
{
int simple = 0;
if (frchain_now->frch_cfi_data != NULL)
{
as_bad (_("previous CFI entry not closed (missing .cfi_endproc)"));
ignore_rest_of_line ();
return;
}
cfi_new_fde (symbol_temp_new_now ());
SKIP_WHITESPACE ();
if (is_name_beginner (*input_line_pointer))
{
char *name, c;
name = input_line_pointer;
c = get_symbol_end ();
if (strcmp (name, "simple") == 0)
{
simple = 1;
*input_line_pointer = c;
}
else
input_line_pointer = name;
}
demand_empty_rest_of_line ();
frchain_now->frch_cfi_data->cur_cfa_offset = 0;
if (!simple)
tc_cfi_frame_initial_instructions ();
if ((cfi_sections & CFI_EMIT_target) != 0)
tc_cfi_startproc ();
}
static void
obj_coff_def (int what ATTRIBUTE_UNUSED)
{
char name_end; /* Char after the end of name. */
char *symbol_name; /* Name of the debug symbol. */
char *symbol_name_copy; /* Temporary copy of the name. */
unsigned int symbol_name_length;
if (def_symbol_in_progress != NULL)
{
as_warn (_(".def pseudo-op used inside of .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
SKIP_WHITESPACES ();
symbol_name = input_line_pointer;
name_end = get_symbol_end ();
symbol_name_length = strlen (symbol_name);
symbol_name_copy = xmalloc (symbol_name_length + 1);
strcpy (symbol_name_copy, symbol_name);
#ifdef tc_canonicalize_symbol_name
symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy);
#endif
/* Initialize the new symbol. */
def_symbol_in_progress = symbol_make (symbol_name_copy);
symbol_set_frag (def_symbol_in_progress, &zero_address_frag);
S_SET_VALUE (def_symbol_in_progress, 0);
if (S_IS_STRING (def_symbol_in_progress))
SF_SET_STRING (def_symbol_in_progress);
*input_line_pointer = name_end;
demand_empty_rest_of_line ();
}
static void
tc_parse_to_dw2regnum (expressionS *exp)
{
# ifdef tc_regname_to_dw2regnum
SKIP_WHITESPACE ();
if (is_name_beginner (*input_line_pointer)
|| (*input_line_pointer == '%'
&& is_name_beginner (*++input_line_pointer)))
{
char *name, c;
name = input_line_pointer;
c = get_symbol_end ();
exp->X_op = O_constant;
exp->X_add_number = tc_regname_to_dw2regnum (name);
*input_line_pointer = c;
}
else
# endif
expression_and_evaluate (exp);
}
static void
obj_coff_weak (int ignore ATTRIBUTE_UNUSED)
{
char *name;
int c;
symbolS *symbolP;
do
{
name = input_line_pointer;
c = get_symbol_end ();
if (*name == 0)
{
as_warn (_("badly formed .weak directive ignored"));
ignore_rest_of_line ();
return;
}
c = 0;
symbolP = symbol_find_or_make (name);
*input_line_pointer = c;
SKIP_WHITESPACE ();
S_SET_WEAK (symbolP);
if (c == ',')
{
input_line_pointer++;
SKIP_WHITESPACE ();
if (*input_line_pointer == '\n')
c = '\n';
}
}
while (c == ',');
demand_empty_rest_of_line ();
}
operatorT i386_operator (const char *name, unsigned int operands, char *pc)
{
unsigned int j;
if (!intel_syntax)
return O_absent;
if (!name)
{
if (operands != 2)
return O_illegal;
switch (*input_line_pointer)
{
case ':':
++input_line_pointer;
return O_full_ptr;
case '[':
++input_line_pointer;
return O_index;
case '@':
if (this_operand >= 0 && i.reloc[this_operand] == NO_RELOC)
{
int adjust = 0;
char *gotfree_input_line = lex_got (&i.reloc[this_operand],
&adjust,
&intel_state.reloc_types);
if (!gotfree_input_line)
break;
free (gotfree_input_line);
*input_line_pointer++ = '+';
memset (input_line_pointer, '0', adjust - 1);
input_line_pointer[adjust - 1] = ' ';
return O_add;
}
break;
}
return O_illegal;
}
for (j = 0; i386_operators[j].name; ++j)
if (strcasecmp(i386_operators[j].name, name) == 0)
{
if (i386_operators[j].operands
&& i386_operators[j].operands != operands)
return O_illegal;
return i386_operators[j].op;
}
for (j = 0; i386_types[j].name; ++j)
if (strcasecmp(i386_types[j].name, name) == 0)
break;
if (i386_types[j].name && *pc == ' ')
{
char *name = ++input_line_pointer;
char c = get_symbol_end ();
if (strcasecmp (name, "ptr") == 0)
{
name[-1] = *pc;
*pc = c;
if (intel_syntax > 0 || operands != 1)
return O_illegal;
return i386_types[j].op;
}
*input_line_pointer = c;
input_line_pointer = name - 1;
}
return O_absent;
}
void
dwarf2_directive_loc (int dummy ATTRIBUTE_UNUSED)
{
offsetT filenum, line;
/* If we see two .loc directives in a row, force the first one to be
output now. */
if (dwarf2_loc_directive_seen)
dwarf2_emit_insn (0);
filenum = get_absolute_expression ();
SKIP_WHITESPACE ();
line = get_absolute_expression ();
if (filenum < 1)
{
as_bad (_("file number less than one"));
return;
}
if (filenum >= (int) files_in_use || files[filenum].filename == 0)
{
as_bad (_("unassigned file number %ld"), (long) filenum);
return;
}
current.filenum = filenum;
current.line = line;
current.discriminator = 0;
#ifndef NO_LISTING
if (listing)
{
if (files[filenum].dir)
{
size_t dir_len = strlen (dirs[files[filenum].dir]);
size_t file_len = strlen (files[filenum].filename);
char *cp = (char *) alloca (dir_len + 1 + file_len + 1);
memcpy (cp, dirs[files[filenum].dir], dir_len);
INSERT_DIR_SEPARATOR (cp, dir_len);
memcpy (cp + dir_len + 1, files[filenum].filename, file_len);
cp[dir_len + file_len + 1] = '\0';
listing_source_file (cp);
}
else
listing_source_file (files[filenum].filename);
listing_source_line (line);
}
#endif
SKIP_WHITESPACE ();
if (ISDIGIT (*input_line_pointer))
{
current.column = get_absolute_expression ();
SKIP_WHITESPACE ();
}
while (ISALPHA (*input_line_pointer))
{
char *p, c;
offsetT value;
p = input_line_pointer;
c = get_symbol_end ();
if (strcmp (p, "basic_block") == 0)
{
current.flags |= DWARF2_FLAG_BASIC_BLOCK;
*input_line_pointer = c;
}
else if (strcmp (p, "prologue_end") == 0)
{
current.flags |= DWARF2_FLAG_PROLOGUE_END;
*input_line_pointer = c;
}
else if (strcmp (p, "epilogue_begin") == 0)
{
current.flags |= DWARF2_FLAG_EPILOGUE_BEGIN;
*input_line_pointer = c;
}
else if (strcmp (p, "is_stmt") == 0)
{
*input_line_pointer = c;
value = get_absolute_expression ();
if (value == 0)
current.flags &= ~DWARF2_FLAG_IS_STMT;
else if (value == 1)
current.flags |= DWARF2_FLAG_IS_STMT;
else
{
as_bad (_("is_stmt value not 0 or 1"));
return;
}
}
else if (strcmp (p, "isa") == 0)
{
*input_line_pointer = c;
value = get_absolute_expression ();
if (value >= 0)
current.isa = value;
else
{
as_bad (_("isa number less than zero"));
return;
}
}
else if (strcmp (p, "discriminator") == 0)
{
*input_line_pointer = c;
value = get_absolute_expression ();
if (value >= 0)
current.discriminator = value;
else
{
as_bad (_("discriminator less than zero"));
return;
}
}
else
{
as_bad (_("unknown .loc sub-directive `%s'"), p);
*input_line_pointer = c;
return;
}
SKIP_WHITESPACE ();
}
demand_empty_rest_of_line ();
dwarf2_loc_directive_seen = TRUE;
debug_type = DEBUG_NONE;
}
static void nemaweaver_s_lcomm (int xxx ATTRIBUTE_UNUSED)
{
char *name;
char c;
char *p;
offsetT size;
symbolS *symbolP;
offsetT align;
char *pfrag;
int align2;
segT current_seg = now_seg;
subsegT current_subseg = now_subseg;
name = input_line_pointer;
c = get_symbol_end ();
/* Just after name is now '\0'. */
p = input_line_pointer;
*p = c;
SKIP_WHITESPACE ();
if (*input_line_pointer != ',')
{
as_bad (_("Expected comma after symbol-name: rest of line ignored."));
ignore_rest_of_line ();
return;
}
input_line_pointer++; /* skip ',' */
if ((size = get_absolute_expression ()) < 0)
{
as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size);
ignore_rest_of_line ();
return;
}
/* The third argument to .lcomm is the alignment. */
if (*input_line_pointer != ',')
align = 8;
else
{
++input_line_pointer;
align = get_absolute_expression ();
if (align <= 0)
{
as_warn (_("ignoring bad alignment"));
align = 8;
}
}
*p = 0;
symbolP = symbol_find_or_make (name);
*p = c;
if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
{
as_bad (_("Ignoring attempt to re-define symbol `%s'."),
S_GET_NAME (symbolP));
ignore_rest_of_line ();
return;
}
if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size)
{
as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."),
S_GET_NAME (symbolP),
(long) S_GET_VALUE (symbolP),
(long) size);
ignore_rest_of_line ();
return;
}
/* Allocate_bss. */
if (align)
{
/* Convert to a power of 2 alignment. */
for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2);
if (align != 1)
{
as_bad (_("Common alignment not a power of 2"));
ignore_rest_of_line ();
return;
}
}
else
