#include <stdio.h>
#include "as.h"
#include "safe-ctype.h"
#include "subsegs.h"
#include "opcode/d30v.h"
const char comment_chars[] = ";";
const char line_comment_chars[] = "#";
const char line_separator_chars[] = "";
const char *md_shortopts = "OnNcC";
const char EXP_CHARS[] = "eE";
const char FLT_CHARS[] = "dD";
#if HAVE_LIMITS_H
#include <limits.h>
#endif
#ifndef CHAR_BIT
#define CHAR_BIT 8
#endif
#define NOP_MULTIPLY 1
#define NOP_ALL 2
static int warn_nops = 0;
static int Optimizing = 0;
static int warn_register_name_conflicts = 1;
#define FORCE_SHORT 1
#define FORCE_LONG 2
typedef enum _exec_type
{
EXEC_UNKNOWN,
EXEC_PARALLEL,
EXEC_SEQ,
EXEC_REVSEQ
} exec_type_enum;
#define MAX_INSN_FIXUPS (5)
struct d30v_fixup
{
expressionS exp;
int operand;
int pcrel;
int size;
bfd_reloc_code_real_type reloc;
};
typedef struct _fixups
{
int fc;
struct d30v_fixup fix[MAX_INSN_FIXUPS];
struct _fixups *next;
} Fixups;
static Fixups FixUps[2];
static Fixups *fixups;
static int cur_mul32_p = 0;
static int prev_mul32_p = 0;
static int flag_explicitly_parallel = 0;
static int flag_xp_state = 0;
static int cur_left_kills_right_p = 0;
static int prev_left_kills_right_p = 0;
static int d30v_current_align;
static segT d30v_current_align_seg;
static symbolS *d30v_last_label;
#define NOP_LEFT ((long long) NOP << 32)
#define NOP_RIGHT ((long long) NOP)
#define NOP2 (FM00 | NOP_LEFT | NOP_RIGHT)
static int reg_name_search PARAMS ((char *name));
static int register_name PARAMS ((expressionS *expressionP));
static int check_range PARAMS ((unsigned long num, int bits, int flags));
static int postfix PARAMS ((char *p));
static bfd_reloc_code_real_type get_reloc PARAMS ((struct d30v_operand *op, int rel_flag));
static int get_operands PARAMS ((expressionS exp[], int cmp_hack));
static struct d30v_format *find_format PARAMS ((struct d30v_opcode *opcode,
expressionS ops[],int fsize, int cmp_hack));
static long long build_insn PARAMS ((struct d30v_insn *opcode, expressionS *opers));
static void write_long PARAMS ((struct d30v_insn *opcode, long long insn, Fixups *fx));
static void write_1_short PARAMS ((struct d30v_insn *opcode, long long insn,
Fixups *fx, int use_sequential));
static int write_2_short PARAMS ((struct d30v_insn *opcode1, long long insn1,
struct d30v_insn *opcode2, long long insn2, exec_type_enum exec_type, Fixups *fx));
static long long do_assemble PARAMS ((char *str, struct d30v_insn *opcode,
int shortp, int is_parallel));
static int parallel_ok PARAMS ((struct d30v_insn *opcode1, unsigned long insn1,
struct d30v_insn *opcode2, unsigned long insn2,
exec_type_enum exec_type));
static void d30v_number_to_chars PARAMS ((char *buf, long long value, int nbytes));
static void check_size PARAMS ((long value, int bits, char *file, int line));
static void d30v_align PARAMS ((int, char *, symbolS *));
static void s_d30v_align PARAMS ((int));
static void s_d30v_text PARAMS ((int));
static void s_d30v_data PARAMS ((int));
static void s_d30v_section PARAMS ((int));
struct option md_longopts[] =
{
{NULL, no_argument, NULL, 0}
};
size_t md_longopts_size = sizeof (md_longopts);
const pseudo_typeS md_pseudo_table[] =
{
{ "word", cons, 4 },
{ "hword", cons, 2 },
{ "align", s_d30v_align, 0 },
{ "text", s_d30v_text, 0 },
{ "data", s_d30v_data, 0 },
{ "section", s_d30v_section, 0 },
{ "section.s", s_d30v_section, 0 },
{ "sect", s_d30v_section, 0 },
{ "sect.s", s_d30v_section, 0 },
{ NULL, NULL, 0 }
};
static struct hash_control *d30v_hash;
static int
reg_name_search (name)
char *name;
{
int middle, low, high;
int cmp;
low = 0;
high = reg_name_cnt () - 1;
do
{
middle = (low + high) / 2;
cmp = strcasecmp (name, pre_defined_registers[middle].name);
if (cmp < 0)
high = middle - 1;
else if (cmp > 0)
low = middle + 1;
else
{
if (symbol_find (name) != NULL)
{
if (warn_register_name_conflicts)
as_warn (_("Register name %s conflicts with symbol of the same name"),
name);
}
return pre_defined_registers[middle].value;
}
}
while (low <= high);
return -1;
}
static int
register_name (expressionP)
expressionS *expressionP;
{
int reg_number;
char c, *p = input_line_pointer;
while (*p && *p != '\n' && *p != '\r' && *p != ',' && *p != ' ' && *p != ')')
p++;
c = *p;
if (c)
*p++ = 0;
reg_number = reg_name_search (input_line_pointer);
if (reg_number >= 0)
{
expressionP->X_op = O_register;
expressionP->X_op_symbol = (symbolS *) input_line_pointer;
expressionP->X_add_number = reg_number;
input_line_pointer = p;
return 1;
}
if (c)
*(p - 1) = c;
return 0;
}
static int
check_range (num, bits, flags)
unsigned long num;
int bits;
int flags;
{
long min, max;
if (bits == 32)
{
if (sizeof (unsigned long) * CHAR_BIT == 32)
return 0;
min = -((unsigned long) 1 << (bits - 1));
max = ((unsigned long) 1 << bits) - 1;
return (long) num < min || (long) num > max;
}
if (flags & OPERAND_SHIFT)
{
num >>= 3;
if (flags & OPERAND_SIGNED)
{
unsigned long sign_bit = ((unsigned long) -1L >> 4) + 1;
num = (num ^ sign_bit) - sign_bit;
}
}
if (flags & OPERAND_SIGNED)
{
max = ((unsigned long) 1 << (bits - 1)) - 1;
min = - ((unsigned long) 1 << (bits - 1));
return (long) num > max || (long) num < min;
}
else
{
max = ((unsigned long) 1 << bits) - 1;
return num > (unsigned long) max;
}
}
void
md_show_usage (stream)
FILE *stream;
{
fprintf (stream, _("\nD30V options:\n\
-O Make adjacent short instructions parallel if possible.\n\
-n Warn about all NOPs inserted by the assembler.\n\
-N Warn about NOPs inserted after word multiplies.\n\
-c Warn about symbols whoes names match register names.\n\
-C Opposite of -C. -c is the default.\n"));
}
int
md_parse_option (c, arg)
int c;
char *arg ATTRIBUTE_UNUSED;
{
switch (c)
{
case 'O':
Optimizing = 1;
break;
case 'n':
warn_nops = NOP_ALL;
break;
case 'N':
warn_nops = NOP_MULTIPLY;
break;
case 'c':
warn_register_name_conflicts = 1;
break;
case 'C':
warn_register_name_conflicts = 0;
break;
default:
return 0;
}
return 1;
}
symbolS *
md_undefined_symbol (name)
char *name ATTRIBUTE_UNUSED;
{
return 0;
}
char *
md_atof (type, litP, sizeP)
int type;
char *litP;
int *sizeP;
{
int prec;
LITTLENUM_TYPE words[4];
char *t;
int i;
switch (type)
{
case 'f':
prec = 2;
break;
case 'd':
prec = 4;
break;
default:
*sizeP = 0;
return _("bad call to md_atof");
}
t = atof_ieee (input_line_pointer, type, words);
if (t)
input_line_pointer = t;
*sizeP = prec * 2;
for (i = 0; i < prec; i++)
{
md_number_to_chars (litP, (valueT) words[i], 2);
litP += 2;
}
return NULL;
}
void
md_convert_frag (abfd, sec, fragP)
bfd *abfd ATTRIBUTE_UNUSED;
asection *sec ATTRIBUTE_UNUSED;
fragS *fragP ATTRIBUTE_UNUSED;
{
abort ();
}
valueT
md_section_align (seg, addr)
asection *seg;
valueT addr;
{
int align = bfd_get_section_alignment (stdoutput, seg);
return ((addr + (1 << align) - 1) & (-1 << align));
}
void
md_begin ()
{
struct d30v_opcode *opcode;
d30v_hash = hash_new ();
for (opcode = (struct d30v_opcode *) d30v_opcode_table; opcode->name; opcode++)
hash_insert (d30v_hash, opcode->name, (char *) opcode);
fixups = &FixUps[0];
FixUps[0].next = &FixUps[1];
FixUps[1].next = &FixUps[0];
d30v_current_align_seg = now_seg;
}
static int
postfix (p)
char *p;
{
while (*p != '-' && *p != '+')
{
if (*p == 0 || *p == '\n' || *p == '\r' || *p == ' ' || *p == ',')
break;
p++;
}
if (*p == '-')
{
*p = ' ';
return -1;
}
if (*p == '+')
{
*p = ' ';
return 1;
}
return 0;
}
static bfd_reloc_code_real_type
get_reloc (op, rel_flag)
struct d30v_operand *op;
int rel_flag;
{
switch (op->bits)
{
case 6:
if (op->flags & OPERAND_SHIFT)
return BFD_RELOC_D30V_9_PCREL;
else
return BFD_RELOC_D30V_6;
break;
case 12:
if (!(op->flags & OPERAND_SHIFT))
as_warn (_("unexpected 12-bit reloc type"));
if (rel_flag == RELOC_PCREL)
return BFD_RELOC_D30V_15_PCREL;
else
return BFD_RELOC_D30V_15;
case 18:
if (!(op->flags & OPERAND_SHIFT))
as_warn (_("unexpected 18-bit reloc type"));
if (rel_flag == RELOC_PCREL)
return BFD_RELOC_D30V_21_PCREL;
else
return BFD_RELOC_D30V_21;
case 32:
if (rel_flag == RELOC_PCREL)
return BFD_RELOC_D30V_32_PCREL;
else
return BFD_RELOC_D30V_32;
default:
return 0;
}
}
static int
get_operands (exp, cmp_hack)
expressionS exp[];
int cmp_hack;
{
char *p = input_line_pointer;
int numops = 0;
int post = 0;
if (cmp_hack)
{
exp[numops].X_op = O_absent;
exp[numops++].X_add_number = cmp_hack - 1;
}
while (*p)
{
while (*p == ' ' || *p == '\t' || *p == ',')
p++;
if (*p == 0 || *p == '\n' || *p == '\r')
break;
if (*p == '@')
{
p++;
exp[numops].X_op = O_absent;
if (*p == '(')
{
p++;
exp[numops].X_add_number = OPERAND_ATPAR;
post = postfix (p);
}
else if (*p == '-')
{
p++;
exp[numops].X_add_number = OPERAND_ATMINUS;
}
else
{
exp[numops].X_add_number = OPERAND_ATSIGN;
post = postfix (p);
}
numops++;
continue;
}
if (*p == ')')
{
p++;
continue;
}
input_line_pointer = p;
if (!register_name (&exp[numops]))
{
expression (&exp[numops]);
}
if (exp[numops].X_op == O_illegal)
as_bad (_("illegal operand"));
else if (exp[numops].X_op == O_absent)
as_bad (_("missing operand"));
numops++;
p = input_line_pointer;
switch (post)
{
case -1:
exp[numops].X_op = O_absent;
exp[numops++].X_add_number = OPERAND_MINUS;
break;
case 1:
exp[numops].X_op = O_absent;
exp[numops++].X_add_number = OPERAND_PLUS;
break;
}
post = 0;
}
exp[numops].X_op = 0;
return numops;
}
static long long
build_insn (opcode, opers)
struct d30v_insn *opcode;
expressionS *opers;
{
int i, length, bits, shift, flags;
unsigned long number, id = 0;
long long insn;
struct d30v_opcode *op = opcode->op;
struct d30v_format *form = opcode->form;
insn =
opcode->ecc << 28 | op->op1 << 25 | op->op2 << 20 | form->modifier << 18;
for (i = 0; form->operands[i]; i++)
{
flags = d30v_operand_table[form->operands[i]].flags;
if (!(flags & OPERAND_REG) && !(flags & OPERAND_NUM)
&& !(flags & OPERAND_NAME) && !(flags & OPERAND_SPECIAL))
continue;
bits = d30v_operand_table[form->operands[i]].bits;
if (flags & OPERAND_SHIFT)
bits += 3;
length = d30v_operand_table[form->operands[i]].length;
shift = 12 - d30v_operand_table[form->operands[i]].position;
if (opers[i].X_op != O_symbol)
number = opers[i].X_add_number;
else
number = 0;
if (flags & OPERAND_REG)
{
if (flags & OPERAND_CONTROL && (number & 0x7f) > MAX_CONTROL_REG)
{
id = (number & 0x7f) - MAX_CONTROL_REG;
number = 0;
}
else if (number & OPERAND_FLAG)
{
id = 3;
}
number &= 0x7F;
}
else if (flags & OPERAND_SPECIAL)
{
number = id;
}
if (opers[i].X_op != O_register && opers[i].X_op != O_constant
&& !(flags & OPERAND_NAME))
{
if (fixups->fc >= MAX_INSN_FIXUPS)
as_fatal (_("too many fixups"));
fixups->fix[fixups->fc].reloc =
get_reloc ((struct d30v_operand *) &d30v_operand_table[form->operands[i]], op->reloc_flag);
fixups->fix[fixups->fc].size = 4;
fixups->fix[fixups->fc].exp = opers[i];
fixups->fix[fixups->fc].operand = form->operands[i];
if (fixups->fix[fixups->fc].reloc == BFD_RELOC_D30V_9_PCREL)
fixups->fix[fixups->fc].pcrel = RELOC_PCREL;
else
fixups->fix[fixups->fc].pcrel = op->reloc_flag;
(fixups->fc)++;
}
if ((opers[i].X_op == O_constant) && check_range (number, bits, flags))
as_bad (_("operand out of range: %ld"), number);
if (bits < 31)
number &= 0x7FFFFFFF >> (31 - bits);
if (flags & OPERAND_SHIFT)
number >>= 3;
if (bits == 32)
{
insn |= ((number & 0xffffffff) >> 26);
insn <<= 32;
insn |= ((number & 0x03FC0000) << 2);
insn |= number & 0x0003FFFF;
}
else
insn |= number << shift;
}
return insn;
}
static void
write_long (opcode, insn, fx)
struct d30v_insn *opcode ATTRIBUTE_UNUSED;
long long insn;
Fixups *fx;
{
int i, where;
char *f = frag_more (8);
insn |= FM11;
d30v_number_to_chars (f, insn, 8);
for (i = 0; i < fx->fc; i++)
{
if (fx->fix[i].reloc)
{
where = f - frag_now->fr_literal;
fix_new_exp (frag_now,
where,
fx->fix[i].size,
&(fx->fix[i].exp),
fx->fix[i].pcrel,
fx->fix[i].reloc);
}
}
fx->fc = 0;
}
static void
write_1_short (opcode, insn, fx, use_sequential)
struct d30v_insn *opcode;
long long insn;
Fixups *fx;
int use_sequential;
{
char *f = frag_more (8);
int i, where;
if (warn_nops == NOP_ALL)
as_warn (_("%s NOP inserted"), use_sequential ?
_("sequential") : _("parallel"));
if (use_sequential)
{
if (opcode->op->unit == IU)
insn |= FM10 | NOP_LEFT;
else
insn = FM01 | (insn << 32) | NOP_RIGHT;
}
else
{
if (opcode->op->unit == IU)
insn |= FM00 | NOP_LEFT;
else
insn = FM00 | (insn << 32) | NOP_RIGHT;
}
d30v_number_to_chars (f, insn, 8);
for (i = 0; i < fx->fc; i++)
{
if (fx->fix[i].reloc)
{
where = f - frag_now->fr_literal;
fix_new_exp (frag_now,
where,
fx->fix[i].size,
&(fx->fix[i].exp),
fx->fix[i].pcrel,
fx->fix[i].reloc);
}
}
fx->fc = 0;
}
static int
write_2_short (opcode1, insn1, opcode2, insn2, exec_type, fx)
struct d30v_insn *opcode1, *opcode2;
long long insn1, insn2;
exec_type_enum exec_type;
Fixups *fx;
{
long long insn = NOP2;
char *f;
int i, j, where;
if (exec_type == EXEC_SEQ
&& (opcode1->op->flags_used & (FLAG_JMP | FLAG_JSR))
&& ((opcode1->op->flags_used & FLAG_DELAY) == 0)
&& ((opcode1->ecc == ECC_AL) || ! Optimizing))
{
write_1_short (opcode1, insn1, fx->next, FALSE);
return 1;
}
switch (exec_type)
{
case EXEC_UNKNOWN:
if (Optimizing
&& parallel_ok (opcode1, insn1, opcode2, insn2, exec_type)
&& ! ( (opcode1->op->unit == EITHER_BUT_PREFER_MU
|| opcode1->op->unit == MU)
&&
( opcode2->op->unit == EITHER_BUT_PREFER_MU
|| opcode2->op->unit == MU)))
{
exec_type = EXEC_PARALLEL;
if (opcode1->op->unit == IU
|| opcode2->op->unit == MU
|| opcode2->op->unit == EITHER_BUT_PREFER_MU)
insn = FM00 | (insn2 << 32) | insn1;
else
{
insn = FM00 | (insn1 << 32) | insn2;
fx = fx->next;
}
}
else if ((opcode1->op->flags_used & (FLAG_JMP | FLAG_JSR)
&& ((opcode1->op->flags_used & FLAG_DELAY) == 0))
|| opcode1->op->flags_used & FLAG_RP)
{
write_1_short (opcode1, insn1, fx->next, FALSE);
return 1;
}
else if (prev_left_kills_right_p)
{
write_1_short (opcode1, insn1, fx->next, FALSE);
return 1;
}
else if (opcode1->op->unit == IU)
{
if (opcode2->op->unit == EITHER_BUT_PREFER_MU)
{
write_1_short (opcode1, insn1, fx->next, FALSE);
return 1;
}
insn = FM10 | (insn2 << 32) | insn1;
exec_type = EXEC_REVSEQ;
}
else
{
insn = FM01 | (insn1 << 32) | insn2;
fx = fx->next;
exec_type = EXEC_SEQ;
}
break;
case EXEC_PARALLEL:
flag_explicitly_parallel = flag_xp_state;
if (! parallel_ok (opcode1, insn1, opcode2, insn2, exec_type))
as_bad (_("Instructions may not be executed in parallel"));
else if (opcode1->op->unit == IU)
{
if (opcode2->op->unit == IU)
as_bad (_("Two IU instructions may not be executed in parallel"));
as_warn (_("Swapping instruction order"));
insn = FM00 | (insn2 << 32) | insn1;
}
else if (opcode2->op->unit == MU)
{
if (opcode1->op->unit == MU)
as_bad (_("Two MU instructions may not be executed in parallel"));
else if (opcode1->op->unit == EITHER_BUT_PREFER_MU)
as_warn (_("Executing %s in IU may not work"), opcode1->op->name);
as_warn (_("Swapping instruction order"));
insn = FM00 | (insn2 << 32) | insn1;
}
else
{
if (opcode2->op->unit == EITHER_BUT_PREFER_MU)
as_warn (_("Executing %s in IU may not work in parallel execution"),
opcode2->op->name);
insn = FM00 | (insn1 << 32) | insn2;
fx = fx->next;
}
flag_explicitly_parallel = 0;
break;
case EXEC_SEQ:
if (opcode1->op->unit == IU)
as_bad (_("IU instruction may not be in the left container"));
if (prev_left_kills_right_p)
as_bad (_("special left instruction `%s' kills instruction "
"`%s' in right container"),
opcode1->op->name, opcode2->op->name);
insn = FM01 | (insn1 << 32) | insn2;
fx = fx->next;
break;
case EXEC_REVSEQ:
if (opcode2->op->unit == MU)
as_bad (_("MU instruction may not be in the right container"));
if (opcode1->op->unit == EITHER_BUT_PREFER_MU)
as_warn (_("Executing %s in reverse serial with %s may not work"),
opcode1->op->name, opcode2->op->name);
else if (opcode2->op->unit == EITHER_BUT_PREFER_MU)
as_warn (_("Executing %s in IU in reverse serial may not work"),
opcode2->op->name);
insn = FM10 | (insn1 << 32) | insn2;
fx = fx->next;
break;
default:
as_fatal (_("unknown execution type passed to write_2_short()"));
}
f = frag_more (8);
d30v_number_to_chars (f, insn, 8);
if (prev_mul32_p && exec_type == EXEC_PARALLEL)
cur_mul32_p = 1;
for (j = 0; j < 2; j++)
{
for (i = 0; i < fx->fc; i++)
{
if (fx->fix[i].reloc)
{
where = (f - frag_now->fr_literal) + 4 * j;
fix_new_exp (frag_now,
where,
fx->fix[i].size,
&(fx->fix[i].exp),
fx->fix[i].pcrel,
fx->fix[i].reloc);
}
}
fx->fc = 0;
fx = fx->next;
}
return 0;
}
static int
parallel_ok (op1, insn1, op2, insn2, exec_type)
struct d30v_insn *op1, *op2;
unsigned long insn1, insn2;
exec_type_enum exec_type;
{
int i, j, shift, regno, bits, ecc;
unsigned long flags, mask, flags_set1, flags_set2, flags_used1, flags_used2;
unsigned long ins, mod_reg[2][3], used_reg[2][3], flag_reg[2];
struct d30v_format *f;
struct d30v_opcode *op;
if ((op1->op->unit == IU && op2->op->unit == IU)
|| (op1->op->unit == MU && op2->op->unit == MU))
return 0;
if (exec_type != EXEC_PARALLEL
&& (op1->op->flags_used & (FLAG_JMP | FLAG_JSR)))
return 0;
if ((op1->ecc == ECC_TX && op2->ecc == ECC_FX)
|| (op1->ecc == ECC_FX && op2->ecc == ECC_TX)
|| (op1->ecc == ECC_XT && op2->ecc == ECC_XF)
|| (op1->ecc == ECC_XF && op2->ecc == ECC_XT))
return 1;
for (j = 0; j < 2; j++)
{
if (j == 0)
{
f = op1->form;
op = op1->op;
ecc = op1->ecc;
ins = insn1;
}
else
{
f = op2->form;
op = op2->op;
ecc = op2->ecc;
ins = insn2;
}
flag_reg[j] = 0;
mod_reg[j][0] = mod_reg[j][1] = 0;
used_reg[j][0] = used_reg[j][1] = 0;
if (flag_explicitly_parallel)
{
mod_reg[j][2] = 0;
used_reg[j][2] = 0;
}
else
{
mod_reg[j][2] = (op->flags_set & FLAG_ALL);
used_reg[j][2] = (op->flags_used & FLAG_ALL);
}
if (op->flags_used & FLAG_JSR)
mod_reg[j][1] = (1L << (62 - 32));
switch (ecc)
{
case ECC_TX:
case ECC_FX:
used_reg[j][2] |= flag_reg[j] = FLAG_0;
break;
case ECC_XT:
case ECC_XF:
used_reg[j][2] |= flag_reg[j] = FLAG_1;
break;
case ECC_TT:
case ECC_TF:
used_reg[j][2] |= flag_reg[j] = (FLAG_0 | FLAG_1);
break;
}
for (i = 0; f->operands[i]; i++)
{
flags = d30v_operand_table[f->operands[i]].flags;
shift = 12 - d30v_operand_table[f->operands[i]].position;
bits = d30v_operand_table[f->operands[i]].bits;
if (bits == 32)
mask = 0xffffffff;
else
mask = 0x7FFFFFFF >> (31 - bits);
if ((flags & OPERAND_PLUS) || (flags & OPERAND_MINUS))
{
shift = 12 - d30v_operand_table[f->operands[i - 1]].position;
regno = (ins >> shift) & 0x3f;
if (regno >= 32)
mod_reg[j][1] |= 1L << (regno - 32);
else
mod_reg[j][0] |= 1L << regno;
}
else if (flags & OPERAND_REG)
{
regno = (ins >> shift) & mask;
if ((flags & OPERAND_DEST) && !(op->flags_set & FLAG_MEM))
{
if (flags & OPERAND_ACC)
{
if (regno == 0)
mod_reg[j][2] |= FLAG_A0;
else if (regno == 1)
mod_reg[j][2] |= FLAG_A1;
else
abort ();
}
else if (flags & OPERAND_FLAG)
mod_reg[j][2] |= 1L << regno;
else if (!(flags & OPERAND_CONTROL))
{
int r, z;
if (flags & OPERAND_2REG)
z = 1;
else
z = 0;
for (r = regno; r <= regno + z; r++)
{
if (r >= 32)
mod_reg[j][1] |= 1L << (r - 32);
else
mod_reg[j][0] |= 1L << r;
}
}
}
else
{
if (flags & OPERAND_ACC)
{
if (regno == 0)
used_reg[j][2] |= FLAG_A0;
else if (regno == 1)
used_reg[j][2] |= FLAG_A1;
else
abort ();
}
else if (flags & OPERAND_FLAG)
used_reg[j][2] |= 1L << regno;
else if (!(flags & OPERAND_CONTROL))
{
int r, z;
if (flags & OPERAND_2REG)
z = 1;
else
z = 0;
for (r = regno; r <= regno + z; r++)
{
if (r >= 32)
used_reg[j][1] |= 1L << (r - 32);
else
used_reg[j][0] |= 1L << r;
}
}
}
}
}
}
flags_set1 = op1->op->flags_set;
flags_set2 = op2->op->flags_set;
flags_used1 = op1->op->flags_used;
flags_used2 = op2->op->flags_used;
if (((flags_set1 & FLAG_NOT_WITH_ADDSUBppp) != 0
&& (flags_used2 & FLAG_ADDSUBppp) != 0)
|| ((flags_set2 & FLAG_NOT_WITH_ADDSUBppp) != 0
&& (flags_used1 & FLAG_ADDSUBppp) != 0))
return 0;
if (((flags_used1 & FLAG_MEM) != 0 && (flags_used2 & FLAG_MUL16))
|| ((flags_used2 & FLAG_MEM) != 0 && (flags_used1 & FLAG_MUL16)))
return 0;
if (mod_reg[0][2] == FLAG_CVVA && mod_reg[1][2] == FLAG_CVVA
&& (used_reg[0][2] & ~flag_reg[0]) == 0
&& (used_reg[1][2] & ~flag_reg[1]) == 0
&& op1->op->unit == EITHER && op2->op->unit == EITHER)
{
mod_reg[0][2] = mod_reg[1][2] = 0;
}
for (j = 0; j < 3; j++)
{
if (flag_explicitly_parallel)
{
if ((mod_reg[0][j] & mod_reg[1][j]) != 0)
return 0;
}
else
if ((mod_reg[0][j] & (mod_reg[1][j] | used_reg[1][j])) != 0)
return 0;
}
return 1;
}
static long long prev_insn = -1;
static struct d30v_insn prev_opcode;
static subsegT prev_subseg;
static segT prev_seg = 0;
void
md_assemble (str)
char *str;
{
struct d30v_insn opcode;
long long insn;
exec_type_enum extype = EXEC_UNKNOWN;
static exec_type_enum etype = EXEC_UNKNOWN;
char *str2;
if ((prev_insn != -1) && prev_seg
&& ((prev_seg != now_seg) || (prev_subseg != now_subseg)))
d30v_cleanup (FALSE);
if (d30v_current_align < 3)
d30v_align (3, NULL, d30v_last_label);
else if (d30v_current_align > 3)
d30v_current_align = 3;
d30v_last_label = NULL;
flag_explicitly_parallel = 0;
flag_xp_state = 0;
if (etype == EXEC_UNKNOWN)
{
str2 = strstr (str, "||");
if (str2)
{
extype = EXEC_PARALLEL;
flag_xp_state = 1;
}
else
{
str2 = strstr (str, "->");
if (str2)
extype = EXEC_SEQ;
else
{
str2 = strstr (str, "<-");
if (str2)
extype = EXEC_REVSEQ;
}
}
if (str2)
{
*str2 = 0;
d30v_cleanup (FALSE);
prev_insn = do_assemble (str, &prev_opcode, 1, 0);
if (prev_insn == -1)
as_bad (_("Cannot assemble instruction"));
if (prev_opcode.form != NULL && prev_opcode.form->form >= LONG)
as_bad (_("First opcode is long. Unable to mix instructions as specified."));
fixups = fixups->next;
str = str2 + 2;
prev_seg = now_seg;
prev_subseg = now_subseg;
}
}
insn = do_assemble (str, &opcode,
(extype != EXEC_UNKNOWN || etype != EXEC_UNKNOWN),
extype == EXEC_PARALLEL);
if (insn == -1)
{
if (extype != EXEC_UNKNOWN)
etype = extype;
as_bad (_("Cannot assemble instruction"));
return;
}
if (etype != EXEC_UNKNOWN)
{
extype = etype;
etype = EXEC_UNKNOWN;
}
if ( (extype != EXEC_REVSEQ)
&& prev_mul32_p
&& (opcode.op->flags_used & (FLAG_MEM | FLAG_MUL16)))
{
if (prev_insn != -1
&& (opcode.op->flags_used & FLAG_MEM)
&& opcode.form->form < LONG
&& (extype == EXEC_PARALLEL || (Optimizing && extype == EXEC_UNKNOWN))
&& parallel_ok (&prev_opcode, (long) prev_insn,
&opcode, (long) insn, extype)
&& write_2_short (&prev_opcode, (long) prev_insn,
&opcode, (long) insn, extype, fixups) == 0)
{
prev_insn = -1;
return;
}
else
{
if (prev_insn != -1 && (strcmp (prev_opcode.op->name, "nop") == 0))
d30v_cleanup (FALSE);
else
{
char *f;
if (prev_insn != -1)
d30v_cleanup (TRUE);
else
{
f = frag_more (8);
d30v_number_to_chars (f, NOP2, 8);
if (warn_nops == NOP_ALL || warn_nops == NOP_MULTIPLY)
{
if (opcode.op->flags_used & FLAG_MEM)
as_warn (_("word of NOPs added between word multiply and load"));
else
as_warn (_("word of NOPs added between word multiply and 16-bit multiply"));
}
}
}
extype = EXEC_UNKNOWN;
}
}
else if ( (extype == EXEC_REVSEQ)
&& cur_mul32_p
&& (prev_opcode.op->flags_used & (FLAG_MEM | FLAG_MUL16)))
{
write_1_short (&opcode, (long) insn, fixups->next->next, TRUE);
extype = EXEC_UNKNOWN;
insn = prev_insn;
now_seg = prev_seg;
now_subseg = prev_subseg;
prev_insn = -1;
cur_mul32_p = prev_mul32_p;
prev_mul32_p = 0;
memcpy (&opcode, &prev_opcode, sizeof (prev_opcode));
}
if (opcode.form->form >= LONG)
{
if (extype != EXEC_UNKNOWN)
as_bad (_("Instruction uses long version, so it cannot be mixed as specified"));
d30v_cleanup (FALSE);
write_long (&opcode, insn, fixups);
prev_insn = -1;
}
else if ((prev_insn != -1)
&& (write_2_short
(&prev_opcode, (long) prev_insn, &opcode,
(long) insn, extype, fixups) == 0))
{
prev_insn = -1;
}
else
{
if (extype != EXEC_UNKNOWN)
as_bad (_("Unable to mix instructions as specified"));
memcpy (&prev_opcode, &opcode, sizeof (prev_opcode));
prev_insn = insn;
prev_seg = now_seg;
prev_subseg = now_subseg;
fixups = fixups->next;
prev_mul32_p = cur_mul32_p;
}
}
#define NAME_BUF_LEN 20
static long long
do_assemble (str, opcode, shortp, is_parallel)
char *str;
struct d30v_insn *opcode;
int shortp;
int is_parallel;
{
char *op_start;
char *save;
char *op_end;
char name[NAME_BUF_LEN];
int cmp_hack;
int nlen = 0;
int fsize = (shortp ? FORCE_SHORT : 0);
expressionS myops[6];
long long insn;
while (*str == ' ')
str++;
for (op_start = op_end = str;
*op_end
&& nlen < (NAME_BUF_LEN - 1)
&& *op_end != '/'
&& !is_end_of_line[(unsigned char) *op_end] && *op_end != ' ';
op_end++)
{
name[nlen] = TOLOWER (op_start[nlen]);
nlen++;
}
if (nlen == 0)
return -1;
name[nlen] = 0;
if (*op_end == '/')
{
int i = 0;
while ((i < ECC_MAX) && strncasecmp (d30v_ecc_names[i], op_end + 1, 2))
i++;
if (i == ECC_MAX)
{
char tmp[4];
strncpy (tmp, op_end + 1, 2);
tmp[2] = 0;
as_bad (_("unknown condition code: %s"), tmp);
return -1;
}
opcode->ecc = i;
op_end += 3;
}
else
opcode->ecc = ECC_AL;
if (!strncmp (name, "cmp", 3))
{
int p, i;
char **str = (char **) d30v_cc_names;
if (name[3] == 'u')
p = 4;
else
p = 3;
for (i = 1; *str && strncmp (*str, &name[p], 2); i++, str++)
;
if (p == 4)
{
if (i < 3 || i > 6)
{
name[p + 2] = 0;
as_bad (_("cmpu doesn't support condition code %s"), &name[p]);
}
}
if (!*str)
{
name[p + 2] = 0;
as_bad (_("unknown condition code: %s"), &name[p]);
}
cmp_hack = i;
name[p] = 0;
}
else
cmp_hack = 0;
if (name[nlen - 2] == '.')
{
switch (name[nlen - 1])
{
case 's':
fsize = FORCE_SHORT;
break;
case 'l':
fsize = FORCE_LONG;
break;
}
name[nlen - 2] = 0;
}
opcode->op = (struct d30v_opcode *) hash_find (d30v_hash, name);
if (opcode->op == NULL)
{
as_bad (_("unknown opcode: %s"), name);
return -1;
}
save = input_line_pointer;
input_line_pointer = op_end;
while (!(opcode->form = find_format (opcode->op, myops, fsize, cmp_hack)))
{
opcode->op++;
if (opcode->op->name == NULL || strcmp (opcode->op->name, name))
{
as_bad (_("operands for opcode `%s' do not match any valid format"),
name);
return -1;
}
}
input_line_pointer = save;
insn = build_insn (opcode, myops);
if (insn != -1)
{
if (is_parallel && prev_mul32_p)
cur_mul32_p = 1;
else
{
prev_mul32_p = cur_mul32_p;
cur_mul32_p = (opcode->op->flags_used & FLAG_MUL32) != 0;
}
}
if (insn != -1)
{
prev_left_kills_right_p = cur_left_kills_right_p;
if (opcode->op->flags_set & FLAG_LKR)
{
cur_left_kills_right_p = 1;
if (strcmp (opcode->op->name, "mvtsys") == 0)
{
if ((myops[0].X_op == O_register) &&
((myops[0].X_add_number == OPERAND_CONTROL) ||
(myops[0].X_add_number == OPERAND_CONTROL+MAX_CONTROL_REG+2) ||
(myops[0].X_add_number == OPERAND_CONTROL+MAX_CONTROL_REG+1) ||
(myops[0].X_add_number == OPERAND_FLAG+0) ||
(myops[0].X_add_number == OPERAND_FLAG+1) ||
(myops[0].X_add_number == OPERAND_FLAG+2) ||
(myops[0].X_add_number == OPERAND_FLAG+3) ||
(myops[0].X_add_number == OPERAND_FLAG+4) ||
(myops[0].X_add_number == OPERAND_FLAG+5) ||
(myops[0].X_add_number == OPERAND_FLAG+6) ||
(myops[0].X_add_number == OPERAND_FLAG+7)))
{
cur_left_kills_right_p = 1;
}
else
{
cur_left_kills_right_p = 0;
}
}
}
else
cur_left_kills_right_p = 0;
}
return insn;
}
static struct d30v_format *
find_format (opcode, myops, fsize, cmp_hack)
struct d30v_opcode *opcode;
expressionS myops[];
int fsize;
int cmp_hack;
{
int numops, match, index, i = 0, j, k;
struct d30v_format *fm;
if (opcode == NULL)
return NULL;
numops = get_operands (myops, cmp_hack);
while ((index = opcode->format[i++]) != 0)
{
if (fsize == FORCE_SHORT && index >= LONG)
continue;
if (fsize == FORCE_LONG && index < LONG)
continue;
fm = (struct d30v_format *) &d30v_format_table[index];
k = index;
while (fm->form == index)
{
match = 1;
for (j = 0; match && fm->operands[j]; j++)
{
int flags = d30v_operand_table[fm->operands[j]].flags;
int bits = d30v_operand_table[fm->operands[j]].bits;
int X_op = myops[j].X_op;
int num = myops[j].X_add_number;
if (flags & OPERAND_SPECIAL)
break;
else if (X_op == O_illegal)
match = 0;
else if (flags & OPERAND_REG)
{
if (X_op != O_register
|| ((flags & OPERAND_ACC) && !(num & OPERAND_ACC))
|| (!(flags & OPERAND_ACC) && (num & OPERAND_ACC))
|| ((flags & OPERAND_FLAG) && !(num & OPERAND_FLAG))
|| (!(flags & (OPERAND_FLAG | OPERAND_CONTROL)) && (num & OPERAND_FLAG))
|| ((flags & OPERAND_CONTROL)
&& !(num & (OPERAND_CONTROL | OPERAND_FLAG))))
{
match = 0;
}
}
else if (((flags & OPERAND_MINUS)
&& (X_op != O_absent || num != OPERAND_MINUS))
|| ((flags & OPERAND_PLUS)
&& (X_op != O_absent || num != OPERAND_PLUS))
|| ((flags & OPERAND_ATMINUS)
&& (X_op != O_absent || num != OPERAND_ATMINUS))
|| ((flags & OPERAND_ATPAR)
&& (X_op != O_absent || num != OPERAND_ATPAR))
|| ((flags & OPERAND_ATSIGN)
&& (X_op != O_absent || num != OPERAND_ATSIGN)))
{
match = 0;
}
else if (flags & OPERAND_NUM)
{
if (X_op == O_register
&& symbol_find ((char *) myops[j].X_op_symbol))
{
input_line_pointer = (char *) myops[j].X_op_symbol;
expression (&myops[j]);
}
if (X_op != O_absent && X_op != O_constant
&& X_op != O_symbol && X_op != O_register
&& X_op != O_big)
{
symbolS *sym = make_expr_symbol (&myops[j]);
myops[j].X_op = X_op = O_symbol;
myops[j].X_add_symbol = sym;
myops[j].X_add_number = num = 0;
}
if (fm->form >= LONG)
{
if (X_op != O_constant && X_op != O_symbol)
match = 0;
}
else if (fm->form < LONG
&& ((fsize == FORCE_SHORT && X_op == O_symbol)
|| (fm->form == SHORT_D2 && j == 0)))
match = 1;
else if (X_op == O_constant)
{
if (check_range (num, bits, flags))
match = 0;
}
else if (X_op == O_symbol
&& S_IS_DEFINED (myops[j].X_add_symbol)
&& S_GET_SEGMENT (myops[j].X_add_symbol) == now_seg
&& opcode->reloc_flag == RELOC_PCREL)
{
fragS *f;
long value;
value = 0;
for (f = frchain_now->frch_root; f; f = f->fr_next)
value += f->fr_fix + f->fr_offset;
value = (S_GET_VALUE (myops[j].X_add_symbol) - value
- (obstack_next_free (&frchain_now->frch_obstack)
- frag_now->fr_literal));
if (check_range (value, bits, flags))
match = 0;
}
else
match = 0;
}
}
if (match && myops[j].X_op == 0)
{
for (j = 0; fm->operands[j]; j++)
if (myops[j].X_op == O_register
&& (myops[j].X_add_number & 1)
&& (d30v_operand_table[fm->operands[j]].flags & OPERAND_2REG))
as_warn (_("Odd numbered register used as target of multi-register instruction"));
return fm;
}
fm = (struct d30v_format *) &d30v_format_table[++k];
}
}
return NULL;
}
arelent *
tc_gen_reloc (seg, fixp)
asection *seg ATTRIBUTE_UNUSED;
fixS *fixp;
{
arelent *reloc;
reloc = (arelent *) xmalloc (sizeof (arelent));
reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
if (reloc->howto == (reloc_howto_type *) NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
_("reloc %d not supported by object file format"),
(int) fixp->fx_r_type);
return NULL;
}
reloc->addend = 0;
return reloc;
}
int
md_estimate_size_before_relax (fragp, seg)
fragS *fragp ATTRIBUTE_UNUSED;
asection *seg ATTRIBUTE_UNUSED;
{
abort ();
return 0;
}
long
md_pcrel_from_section (fixp, sec)
fixS *fixp;
segT sec;
{
if (fixp->fx_addsy != (symbolS *) NULL
&& (!S_IS_DEFINED (fixp->fx_addsy)
|| (S_GET_SEGMENT (fixp->fx_addsy) != sec)))
return 0;
return fixp->fx_frag->fr_address + fixp->fx_where;
}
void
md_apply_fix3 (fixP, valP, seg)
fixS *fixP;
valueT *valP;
segT seg ATTRIBUTE_UNUSED;
{
char *where;
unsigned long insn, insn2;
long value = *valP;
if (fixP->fx_addsy == (symbolS *) NULL)
fixP->fx_done = 1;
if (fixP->fx_subsy != (symbolS *) NULL)
as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex"));
where = fixP->fx_frag->fr_literal + fixP->fx_where;
insn = bfd_getb32 ((unsigned char *) where);
switch (fixP->fx_r_type)
{
case BFD_RELOC_8:
if (fixP->fx_addsy != NULL)
as_bad (_("line %d: unable to place address of symbol '%s' into a byte"),
fixP->fx_line, S_GET_NAME (fixP->fx_addsy));
else if (((unsigned)value) > 0xff)
as_bad (_("line %d: unable to place value %lx into a byte"),
fixP->fx_line, value);
else
*(unsigned char *) where = value;
break;
case BFD_RELOC_16:
if (fixP->fx_addsy != NULL)
as_bad (_("line %d: unable to place address of symbol '%s' into a short"),
fixP->fx_line, S_GET_NAME (fixP->fx_addsy));
else if (((unsigned)value) > 0xffff)
as_bad (_("line %d: unable to place value %lx into a short"),
fixP->fx_line, value);
else
bfd_putb16 ((bfd_vma) value, (unsigned char *) where);
break;
case BFD_RELOC_64:
if (fixP->fx_addsy != NULL)
as_bad (_("line %d: unable to place address of symbol '%s' into a quad"),
fixP->fx_line, S_GET_NAME (fixP->fx_addsy));
else
{
bfd_putb32 ((bfd_vma) value, (unsigned char *) where);
bfd_putb32 (0, ((unsigned char *) where) + 4);
}
break;
case BFD_RELOC_D30V_6:
check_size (value, 6, fixP->fx_file, fixP->fx_line);
insn |= value & 0x3F;
bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
break;
case BFD_RELOC_D30V_9_PCREL:
if (fixP->fx_where & 0x7)
{
if (fixP->fx_done)
value += 4;
else
fixP->fx_r_type = BFD_RELOC_D30V_9_PCREL_R;
}
check_size (value, 9, fixP->fx_file, fixP->fx_line);
insn |= ((value >> 3) & 0x3F) << 12;
bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
break;
case BFD_RELOC_D30V_15:
check_size (value, 15, fixP->fx_file, fixP->fx_line);
insn |= (value >> 3) & 0xFFF;
bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
break;
case BFD_RELOC_D30V_15_PCREL:
if (fixP->fx_where & 0x7)
{
if (fixP->fx_done)
value += 4;
else
fixP->fx_r_type = BFD_RELOC_D30V_15_PCREL_R;
}
check_size (value, 15, fixP->fx_file, fixP->fx_line);
insn |= (value >> 3) & 0xFFF;
bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
break;
case BFD_RELOC_D30V_21:
check_size (value, 21, fixP->fx_file, fixP->fx_line);
insn |= (value >> 3) & 0x3FFFF;
bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
break;
case BFD_RELOC_D30V_21_PCREL:
if (fixP->fx_where & 0x7)
{
if (fixP->fx_done)
value += 4;
else
fixP->fx_r_type = BFD_RELOC_D30V_21_PCREL_R;
}
check_size (value, 21, fixP->fx_file, fixP->fx_line);
insn |= (value >> 3) & 0x3FFFF;
bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
break;
case BFD_RELOC_D30V_32:
insn2 = bfd_getb32 ((unsigned char *) where + 4);
insn |= (value >> 26) & 0x3F;
insn2 |= ((value & 0x03FC0000) << 2);
insn2 |= value & 0x0003FFFF;
bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
bfd_putb32 ((bfd_vma) insn2, (unsigned char *) where + 4);
break;
case BFD_RELOC_D30V_32_PCREL:
insn2 = bfd_getb32 ((unsigned char *) where + 4);
insn |= (value >> 26) & 0x3F;
insn2 |= ((value & 0x03FC0000) << 2);
insn2 |= value & 0x0003FFFF;
bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
bfd_putb32 ((bfd_vma) insn2, (unsigned char *) where + 4);
break;
case BFD_RELOC_32:
bfd_putb32 ((bfd_vma) value, (unsigned char *) where);
break;
default:
as_bad (_("line %d: unknown relocation type: 0x%x"),
fixP->fx_line, fixP->fx_r_type);
}
}
int
d30v_cleanup (use_sequential)
int use_sequential;
{
segT seg;
subsegT subseg;
if (prev_insn != -1)
{
seg = now_seg;
subseg = now_subseg;
subseg_set (prev_seg, prev_subseg);
write_1_short (&prev_opcode, (long) prev_insn, fixups->next,
use_sequential);
subseg_set (seg, subseg);
prev_insn = -1;
if (use_sequential)
prev_mul32_p = FALSE;
}
return 1;
}
static void
d30v_number_to_chars (buf, value, n)
char *buf;
long long value;
int n;
{
while (n--)
{
buf[n] = value & 0xff;
value >>= 8;
}
}
void
d30v_start_line ()
{
char *c = input_line_pointer;
while (ISSPACE (*c))
c++;
if (*c == '.')
d30v_cleanup (FALSE);
}
static void
check_size (value, bits, file, line)
long value;
int bits;
char *file;
int line;
{
int tmp, max;
if (value < 0)
tmp = ~value;
else
tmp = value;
max = (1 << (bits - 1)) - 1;
if (tmp > max)
as_bad_where (file, line, _("value too large to fit in %d bits"), bits);
}
void
d30v_frob_label (lab)
symbolS *lab;
{
d30v_cleanup (FALSE);
symbol_set_frag (lab, frag_now);
S_SET_VALUE (lab, (valueT) frag_now_fix ());
d30v_last_label = lab;
}
void
d30v_cons_align (size)
int size;
{
int log_size;
log_size = 0;
while ((size >>= 1) != 0)
++log_size;
if (d30v_current_align < log_size)
d30v_align (log_size, (char *) NULL, NULL);
else if (d30v_current_align > log_size)
d30v_current_align = log_size;
d30v_last_label = NULL;
}
static void
d30v_align (n, pfill, label)
int n;
char *pfill;
symbolS *label;
{
int switched_seg_p = (d30v_current_align_seg != now_seg);
d30v_cleanup (FALSE);
if (pfill == NULL)
{
if (n > 2
&& (bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
{
static char const nop[4] = { 0x00, 0xf0, 0x00, 0x00 };
if (d30v_current_align < 2 || switched_seg_p)
frag_align (2, 0, 0);
frag_align_pattern (n, nop, sizeof nop, 0);
}
else
frag_align (n, 0, 0);
}
else
frag_align (n, *pfill, 0);
if (!switched_seg_p)
d30v_current_align = n;
if (label != NULL)
{
symbolS *sym;
int label_seen = FALSE;
struct frag *old_frag;
valueT old_value;
valueT new_value;
assert (S_GET_SEGMENT (label) == now_seg);
old_frag = symbol_get_frag (label);
old_value = S_GET_VALUE (label);
new_value = (valueT) frag_now_fix ();
for (sym = symbol_lastP; sym != NULL; sym = symbol_previous (sym))
{
if (symbol_get_frag (sym) == old_frag
&& S_GET_VALUE (sym) == old_value)
{
label_seen = TRUE;
symbol_set_frag (sym, frag_now);
S_SET_VALUE (sym, new_value);
}
else if (label_seen && symbol_get_frag (sym) != old_frag)
break;
}
}
record_alignment (now_seg, n);
}
static void
s_d30v_align (ignore)
int ignore ATTRIBUTE_UNUSED;
{
int align;
char fill, *pfill = NULL;
long max_alignment = 15;
align = get_absolute_expression ();
if (align > max_alignment)
{
align = max_alignment;
as_warn (_("Alignment too large: %d assumed"), align);
}
else if (align < 0)
{
as_warn (_("Alignment negative: 0 assumed"));
align = 0;
}
if (*input_line_pointer == ',')
{
input_line_pointer++;
fill = get_absolute_expression ();
pfill = &fill;
}
d30v_last_label = NULL;
d30v_align (align, pfill, NULL);
demand_empty_rest_of_line ();
}
static void
s_d30v_text (i)
int i;
{
s_text (i);
d30v_last_label = NULL;
d30v_current_align = 0;
d30v_current_align_seg = now_seg;
}
static void
s_d30v_data (i)
int i;
{
s_data (i);
d30v_last_label = NULL;
d30v_current_align = 0;
d30v_current_align_seg = now_seg;
}
static void
s_d30v_section (ignore)
int ignore;
{
obj_elf_section (ignore);
d30v_last_label = NULL;
d30v_current_align = 0;
d30v_current_align_seg = now_seg;
}