/* tc-d10v.c -- Assembler code for the Mitsubishi D10V
- Copyright (C) 1996 Free Software Foundation.
+ Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation.
This file is part of GAS, the GNU Assembler.
#include "opcode/d10v.h"
#include "elf/ppc.h"
-const char comment_chars[] = "#;";
+const char comment_chars[] = ";";
const char line_comment_chars[] = "#";
const char line_separator_chars[] = "";
-const char *md_shortopts = "";
+const char *md_shortopts = "O";
const char EXP_CHARS[] = "eE";
const char FLT_CHARS[] = "dD";
+int Optimizing = 0;
+
+#define AT_WORD_P(X) ((X)->X_op == O_right_shift \
+ && (X)->X_op_symbol != NULL \
+ && (X)->X_op_symbol->sy_value.X_op == O_constant \
+ && (X)->X_op_symbol->sy_value.X_add_number == AT_WORD_RIGHT_SHIFT)
+#define AT_WORD_RIGHT_SHIFT 2
+
/* fixups */
#define MAX_INSN_FIXUPS (5)
struct d10v_fixup
{
expressionS exp;
+ int operand;
+ int pcrel;
+ int size;
bfd_reloc_code_real_type reloc;
};
static Fixups FixUps[2];
static Fixups *fixups;
+/* True if instruction swapping warnings should be inhibited. */
+static unsigned char flag_warn_suppress_instructionswap; /* --nowarnswap */
+
/* local functions */
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 d10v_operand *op));
static int get_operands PARAMS ((expressionS exp[]));
+static struct d10v_opcode *find_opcode PARAMS ((struct d10v_opcode *opcode, expressionS ops[]));
static unsigned long build_insn PARAMS ((struct d10v_opcode *opcode, expressionS *opers, unsigned long insn));
static void write_long PARAMS ((struct d10v_opcode *opcode, unsigned long insn, Fixups *fx));
static void write_1_short PARAMS ((struct d10v_opcode *opcode, unsigned long insn, Fixups *fx));
struct d10v_opcode *opcode2, unsigned long insn2, int exec_type, Fixups *fx));
static unsigned long do_assemble PARAMS ((char *str, struct d10v_opcode **opcode));
static unsigned long d10v_insert_operand PARAMS (( unsigned long insn, int op_type,
- offsetT value, int left));
+ offsetT value, int left, fixS *fix));
+static int parallel_ok PARAMS ((struct d10v_opcode *opcode1, unsigned long insn1,
+ struct d10v_opcode *opcode2, unsigned long insn2,
+ int exec_type));
+static symbolS * find_symbol_matching_register PARAMS ((expressionS *));
-
-struct option md_longopts[] = {
+struct option md_longopts[] =
+{
+#define OPTION_NOWARNSWAP (OPTION_MD_BASE)
+ {"nowarnswap", no_argument, NULL, OPTION_NOWARNSWAP},
{NULL, no_argument, NULL, 0}
};
size_t md_longopts_size = sizeof(md_longopts);
+static void d10v_dot_word PARAMS ((int));
+
/* The target specific pseudo-ops which we support. */
const pseudo_typeS md_pseudo_table[] =
{
+ { "word", d10v_dot_word, 2 },
{ NULL, NULL, 0 }
};
/* Opcode hash table. */
static struct hash_control *d10v_hash;
-/* reg_name_search does a binary search of the pre_defined_registers
+/* reg_name_search does a binary search of the d10v_predefined_registers
array to see if "name" is a valid regiter name. Returns the register
number from the array on success, or -1 on failure. */
int cmp;
low = 0;
- high = reg_name_cnt() - 1;
+ high = d10v_reg_name_cnt() - 1;
do
{
middle = (low + high) / 2;
- cmp = strcasecmp (name, pre_defined_registers[middle].name);
+ cmp = strcasecmp (name, d10v_predefined_registers[middle].name);
if (cmp < 0)
high = middle - 1;
else if (cmp > 0)
low = middle + 1;
else
- return pre_defined_registers[middle].value;
+ return d10v_predefined_registers[middle].value;
}
while (low <= high);
return -1;
{
expressionP->X_op = O_register;
/* temporarily store a pointer to the string here */
- expressionP->X_op_symbol = (struct symbol *)input_line_pointer;
+ expressionP->X_op_symbol = (symbolS *)input_line_pointer;
expressionP->X_add_number = reg_number;
input_line_pointer = p;
return 1;
static int
-check_range (num, bits, sign)
+check_range (num, bits, flags)
unsigned long num;
int bits;
- int sign;
+ int flags;
{
- long min, max;
+ long min, max, bit1;
int retval=0;
- if (sign)
+ /* don't bother checking 16-bit values */
+ if (bits == 16)
+ return 0;
+
+ if (flags & OPERAND_SHIFT)
+ {
+ /* all special shift operands are unsigned */
+ /* and <= 16. We allow 0 for now. */
+ if (num>16)
+ return 1;
+ else
+ return 0;
+ }
+
+ if (flags & OPERAND_SIGNED)
{
- max = (1 << (bits - 1)) - 1;
+ max = (1 << (bits - 1))-1;
min = - (1 << (bits - 1));
if (((long)num > max) || ((long)num < min))
retval = 1;
if ((num > max) || (num < min))
retval = 1;
}
-
return retval;
}
md_show_usage (stream)
FILE *stream;
{
- fprintf(stream, "D10V options:\n\
-none yet\n");
+ fprintf(stream, _("D10V options:\n\
+-O optimize. Will do some operations in parallel.\n"));
}
int
int c;
char *arg;
{
- return 0;
+ switch (c)
+ {
+ case 'O':
+ /* Optimize. Will attempt to parallelize operations */
+ Optimizing = 1;
+ break;
+ case OPTION_NOWARNSWAP:
+ flag_warn_suppress_instructionswap = 1;
+ break;
+ default:
+ return 0;
+ }
+ return 1;
}
symbolS *
return 0;
}
+/* Turn a string in input_line_pointer into a floating point constant of type
+ type, and store the appropriate bytes in *litP. The number of LITTLENUMS
+ emitted is stored in *sizeP . An error message is returned, or NULL on OK.
+ */
char *
-md_atof (type, litp, sizep)
- int type;
-char *litp;
-int *sizep;
+md_atof (type, litP, sizeP)
+ int type;
+ char *litP;
+ int *sizeP;
{
- return "";
+ 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
asection *sec;
fragS *fragP;
{
- printf ("call to md_convert_frag \n");
abort ();
}
{
int bits = op->bits;
- /* printf("get_reloc: bits=%d address=%d\n",bits,op->flags & OPERAND_ADDR); */
if (bits <= 4)
return (0);
if (bits == 8)
return (BFD_RELOC_D10V_10_PCREL_R);
else
- return (BFD_RELOC_D10V_18_PCREL);
+ return (BFD_RELOC_D10V_18_PCREL);
}
return (BFD_RELOC_16);
}
+
/* get_operands parses a string of operands and returns
an array of expressions */
input_line_pointer = p;
-
/* check to see if it might be a register name */
if (!register_name (&exp[numops]))
{
expression (&exp[numops]);
}
+ if (strncasecmp (input_line_pointer, "@word", 5) == 0)
+ {
+ input_line_pointer += 5;
+ if (exp[numops].X_op == O_register)
+ {
+ /* if it looked like a register name but was followed by
+ "@word" then it was really a symbol, so change it to
+ one */
+ exp[numops].X_op = O_symbol;
+ exp[numops].X_add_symbol = symbol_find_or_make ((char *)exp[numops].X_op_symbol);
+ }
+
+ /* check for identifier@word+constant */
+ if (*input_line_pointer == '-' || *input_line_pointer == '+')
+ {
+ char *orig_line = input_line_pointer;
+ expressionS new_exp;
+ expression (&new_exp);
+ exp[numops].X_add_number = new_exp.X_add_number;
+ }
+
+ /* convert expr into a right shift by AT_WORD_RIGHT_SHIFT */
+ {
+ expressionS new_exp;
+ memset (&new_exp, 0, sizeof new_exp);
+ new_exp.X_add_number = AT_WORD_RIGHT_SHIFT;
+ new_exp.X_op = O_constant;
+ new_exp.X_unsigned = 1;
+ exp[numops].X_op_symbol = make_expr_symbol (&new_exp);
+ exp[numops].X_op = O_right_shift;
+ }
+
+ know (AT_WORD_P (&exp[numops]));
+ }
+
if (exp[numops].X_op == O_illegal)
- as_bad ("illegal operand");
+ as_bad (_("illegal operand"));
else if (exp[numops].X_op == O_absent)
- as_bad ("missing operand");
+ as_bad (_("missing operand"));
numops++;
p = input_line_pointer;
}
static unsigned long
-d10v_insert_operand (insn, op_type, value, left)
+d10v_insert_operand (insn, op_type, value, left, fix)
unsigned long insn;
int op_type;
offsetT value;
int left;
+ fixS *fix;
{
int shift, bits;
bits = d10v_operands[op_type].bits;
/* truncate to the proper number of bits */
- /* FIXME: overflow checking here? */
-
- if (check_range (value, bits, d10v_operands[op_type].flags & OPERAND_SIGNED))
- as_bad("operand out of range: %d",value);
+ if (check_range (value, bits, d10v_operands[op_type].flags))
+ as_bad_where (fix->fx_file, fix->fx_line, _("operand out of range: %d"), value);
value &= 0x7FFFFFFF >> (31 - bits);
insn |= (value << shift);
unsigned long insn;
{
int i, bits, shift, flags, format;
- unsigned int number;
+ unsigned long number;
/* the insn argument is only used for the DIVS kludge */
if (insn)
{
/* now create a fixup */
- /*
- printf("need a fixup: ");
- print_expr_1(stdout,&opers[i]);
- printf("\n");
- */
-
if (fixups->fc >= MAX_INSN_FIXUPS)
- as_fatal ("too many fixups");
- fixups->fix[fixups->fc].exp = opers[i];
+ as_fatal (_("too many fixups"));
+
+ if (AT_WORD_P (&opers[i]))
+ {
+ /* Reconize XXX>>1+N aka XXX@word+N as special (AT_WORD) */
+ fixups->fix[fixups->fc].reloc = BFD_RELOC_D10V_18;
+ opers[i].X_op = O_symbol;
+ opers[i].X_op_symbol = NULL; /* Should free it */
+ /* number is left shifted by AT_WORD_RIGHT_SHIFT so
+ that, it is aligned with the symbol's value. Later,
+ BFD_RELOC_D10V_18 will right shift (symbol_value +
+ X_add_number). */
+ number <<= AT_WORD_RIGHT_SHIFT;
+ opers[i].X_add_number = number;
+ }
+ else
+ fixups->fix[fixups->fc].reloc =
+ get_reloc((struct d10v_operand *)&d10v_operands[opcode->operands[i]]);
- /* put the operand number here for now. We can look up
- the reloc type and/or fixup the instruction in md_apply_fix() */
- fixups->fix[fixups->fc].reloc = opcode->operands[i];
+ if (fixups->fix[fixups->fc].reloc == BFD_RELOC_16 ||
+ fixups->fix[fixups->fc].reloc == BFD_RELOC_D10V_18)
+ fixups->fix[fixups->fc].size = 2;
+ else
+ fixups->fix[fixups->fc].size = 4;
+
+ fixups->fix[fixups->fc].exp = opers[i];
+ fixups->fix[fixups->fc].operand = opcode->operands[i];
+ fixups->fix[fixups->fc].pcrel = (flags & OPERAND_ADDR) ? true : false;
(fixups->fc)++;
}
/* truncate to the proper number of bits */
- if ((opers[i].X_op == O_constant) && check_range (number, bits, flags & OPERAND_SIGNED))
- as_bad("operand out of range: %d",number);
+ if ((opers[i].X_op == O_constant) && check_range (number, bits, flags))
+ as_bad (_("operand out of range: %d"),number);
number &= 0x7FFFFFFF >> (31 - bits);
insn = insn | (number << shift);
}
unsigned long insn;
Fixups *fx;
{
- int i;
+ int i, where;
char *f = frag_more(4);
insn |= FM11;
- /* printf("INSN: %08x\n",insn); */
number_to_chars_bigendian (f, insn, 4);
for (i=0; i < fx->fc; i++)
{
- if (get_reloc((struct d10v_operand *)&d10v_operands[fx->fix[i].reloc]))
+ if (fx->fix[i].reloc)
{
- /*
- printf("fix_new_exp: where:%x size:4\n ",f - frag_now->fr_literal);
- print_expr_1(stdout,&(fx->fix[i].exp));
- printf("\n");
- */
+ where = f - frag_now->fr_literal;
+ if (fx->fix[i].size == 2)
+ where += 2;
+
+ if (fx->fix[i].reloc == BFD_RELOC_D10V_18)
+ fx->fix[i].operand |= 4096;
fix_new_exp (frag_now,
- f - frag_now->fr_literal,
- 4,
+ where,
+ fx->fix[i].size,
&(fx->fix[i].exp),
- 1,
- fx->fix[i].reloc);
+ fx->fix[i].pcrel,
+ fx->fix[i].operand|2048);
}
}
fx->fc = 0;
Fixups *fx;
{
char *f = frag_more(4);
- int i;
+ int i, where;
+
+ if (opcode->exec_type & PARONLY)
+ as_fatal (_("Instruction must be executed in parallel with another instruction."));
/* the other container needs to be NOP */
/* according to 4.3.1: for FM=00, sub-instructions performed only
else
insn = FM00 | (insn << 15) | NOP; /* left container */
- /* printf("INSN: %08x\n",insn); */
number_to_chars_bigendian (f, insn, 4);
for (i=0; i < fx->fc; i++)
{
- if (get_reloc((struct d10v_operand *)&d10v_operands[fx->fix[i].reloc]))
+ if (fx->fix[i].reloc)
{
- /*
- printf("fix_new_exp: where:%x size:4\n ",f - frag_now->fr_literal);
- print_expr_1(stdout,&(fx->fix[i].exp));
- printf("\n");
- */
+ where = f - frag_now->fr_literal;
+ if (fx->fix[i].size == 2)
+ where += 2;
+
+ if (fx->fix[i].reloc == BFD_RELOC_D10V_18)
+ fx->fix[i].operand |= 4096;
+
+ /* if it's an R reloc, we may have to switch it to L */
+ if ( (fx->fix[i].reloc == BFD_RELOC_D10V_10_PCREL_R) && (opcode->unit != IU) )
+ fx->fix[i].operand |= 1024;
fix_new_exp (frag_now,
- f - frag_now->fr_literal,
- 4,
+ where,
+ fx->fix[i].size,
&(fx->fix[i].exp),
- 1,
- fx->fix[i].reloc);
+ fx->fix[i].pcrel,
+ fx->fix[i].operand|2048);
}
}
fx->fc = 0;
{
unsigned long insn;
char *f;
- int i,j;
+ int i,j, where;
+
+ if ( (exec_type != 1) && ((opcode1->exec_type & PARONLY)
+ || (opcode2->exec_type & PARONLY)))
+ as_fatal (_("Instruction must be executed in parallel"));
+
+ if ( (opcode1->format & LONG_OPCODE) || (opcode2->format & LONG_OPCODE))
+ as_fatal (_("Long instructions may not be combined."));
- if(opcode1->exec_type == BRANCH_LINK)
+ if(opcode1->exec_type & BRANCH_LINK && exec_type == 0)
{
- /* subroutines must be called from 32-bit boundaries */
- /* so the return address will be correct */
+ /* Instructions paired with a subroutine call are executed before the
+ subroutine, so don't do these pairings unless explicitly requested. */
write_1_short (opcode1, insn1, fx->next);
return (1);
}
switch (exec_type)
{
- case 0:
- if (opcode1->unit == IU)
+ case 0: /* order not specified */
+ if ( Optimizing && parallel_ok (opcode1, insn1, opcode2, insn2, exec_type))
+ {
+ /* parallel */
+ if (opcode1->unit == IU)
+ insn = FM00 | (insn2 << 15) | insn1;
+ else if (opcode2->unit == MU)
+ insn = FM00 | (insn2 << 15) | insn1;
+ else
+ {
+ insn = FM00 | (insn1 << 15) | insn2;
+ fx = fx->next;
+ }
+ }
+ else if (opcode1->unit == IU)
{
/* reverse sequential */
insn = FM10 | (insn2 << 15) | insn1;
}
else
{
+ /* sequential */
insn = FM01 | (insn1 << 15) | insn2;
fx = fx->next;
}
break;
case 1: /* parallel */
+ if (opcode1->exec_type & SEQ || opcode2->exec_type & SEQ)
+ as_fatal (_("One of these instructions may not be executed in parallel."));
+
+ if (opcode1->unit == IU)
+ {
+ if (opcode2->unit == IU)
+ as_fatal (_("Two IU instructions may not be executed in parallel"));
+ if (!flag_warn_suppress_instructionswap)
+ as_warn (_("Swapping instruction order"));
+ insn = FM00 | (insn2 << 15) | insn1;
+ }
+ else if (opcode2->unit == MU)
+ {
+ if (opcode1->unit == MU)
+ as_fatal (_("Two MU instructions may not be executed in parallel"));
+ if (!flag_warn_suppress_instructionswap)
+ as_warn (_("Swapping instruction order"));
+ insn = FM00 | (insn2 << 15) | insn1;
+ }
+ else
+ {
insn = FM00 | (insn1 << 15) | insn2;
fx = fx->next;
+ }
break;
case 2: /* sequential */
- insn = FM01 | (insn1 << 15) | insn2;
- fx = fx->next;
+ if (opcode1->unit != IU)
+ insn = FM01 | (insn1 << 15) | insn2;
+ else if (opcode2->unit == MU || opcode2->unit == EITHER)
+ {
+ if (!flag_warn_suppress_instructionswap)
+ as_warn (_("Swapping instruction order"));
+ insn = FM10 | (insn2 << 15) | insn1;
+ }
+ else
+ as_fatal (_("IU instruction may not be in the left container"));
+ fx = fx->next;
break;
case 3: /* reverse sequential */
- insn = FM10 | (insn1 << 15) | insn2;
+ if (opcode2->unit != MU)
+ insn = FM10 | (insn1 << 15) | insn2;
+ else if (opcode1->unit == IU || opcode1->unit == EITHER)
+ {
+ if (!flag_warn_suppress_instructionswap)
+ as_warn (_("Swapping instruction order"));
+ insn = FM01 | (insn2 << 15) | insn1;
+ }
+ else
+ as_fatal (_("MU instruction may not be in the right container"));
+ fx = fx->next;
break;
default:
- as_fatal("unknown execution type passed to write_2_short()");
+ as_fatal (_("unknown execution type passed to write_2_short()"));
}
- /* printf("INSN: %08x\n",insn); */
f = frag_more(4);
number_to_chars_bigendian (f, insn, 4);
-for (j=0; j<2; j++)
- {
- bfd_reloc_code_real_type reloc;
- for (i=0; i < fx->fc; i++)
- {
- reloc = get_reloc((struct d10v_operand *)&d10v_operands[fx->fix[i].reloc]);
- if (reloc)
- {
- if ( (reloc == BFD_RELOC_D10V_10_PCREL_R) && (j == 0) )
- fx->fix[i].reloc |= 1024;
-
- /*
- printf("fix_new_exp: where:%x reloc:%d\n ",f - frag_now->fr_literal,fx->fix[i].reloc);
- print_expr_1(stdout,&(fx->fix[i].exp));
- printf("\n");
- */
- fix_new_exp (frag_now,
- f - frag_now->fr_literal,
- 4,
- &(fx->fix[i].exp),
- 1,
- fx->fix[i].reloc);
- }
- }
- fx->fc = 0;
- fx = fx->next;
- }
-
+ for (j=0; j<2; j++)
+ {
+ for (i=0; i < fx->fc; i++)
+ {
+ if (fx->fix[i].reloc)
+ {
+ where = f - frag_now->fr_literal;
+ if (fx->fix[i].size == 2)
+ where += 2;
+
+ if ( (fx->fix[i].reloc == BFD_RELOC_D10V_10_PCREL_R) && (j == 0) )
+ fx->fix[i].operand |= 1024;
+
+ if (fx->fix[i].reloc == BFD_RELOC_D10V_18)
+ fx->fix[i].operand |= 4096;
+
+ fix_new_exp (frag_now,
+ where,
+ fx->fix[i].size,
+ &(fx->fix[i].exp),
+ fx->fix[i].pcrel,
+ fx->fix[i].operand|2048);
+ }
+ }
+ fx->fc = 0;
+ fx = fx->next;
+ }
return (0);
}
+/* Check 2 instructions and determine if they can be safely */
+/* executed in parallel. Returns 1 if they can be. */
+static int
+parallel_ok (op1, insn1, op2, insn2, exec_type)
+ struct d10v_opcode *op1, *op2;
+ unsigned long insn1, insn2;
+ int exec_type;
+{
+ int i, j, flags, mask, shift, regno;
+ unsigned long ins, mod[2], used[2];
+ struct d10v_opcode *op;
+
+ if ((op1->exec_type & SEQ) != 0 || (op2->exec_type & SEQ) != 0
+ || (op1->exec_type & PAR) == 0 || (op2->exec_type & PAR) == 0
+ || (op1->unit == BOTH) || (op2->unit == BOTH)
+ || (op1->unit == IU && op2->unit == IU)
+ || (op1->unit == MU && op2->unit == MU))
+ return 0;
+
+ /* If the first instruction is a branch and this is auto parallazation,
+ don't combine with any second instruction. */
+ if (exec_type == 0 && (op1->exec_type & BRANCH) != 0)
+ return 0;
+
+ /* The idea here is to create two sets of bitmasks (mod and used)
+ which indicate which registers are modified or used by each
+ instruction. The operation can only be done in parallel if
+ instruction 1 and instruction 2 modify different registers, and
+ the first instruction does not modify registers that the second
+ is using (The second instruction can modify registers that the
+ first is using as they are only written back after the first
+ instruction has completed). Accesses to control registers, PSW,
+ and memory are treated as accesses to a single register. So if
+ both instructions write memory or if the first instruction writes
+ memory and the second reads, then they cannot be done in
+ parallel. Likewise, if the first instruction mucks with the psw
+ and the second reads the PSW (which includes C, F0, and F1), then
+ they cannot operate safely in parallel. */
+
+ /* the bitmasks (mod and used) look like this (bit 31 = MSB) */
+ /* r0-r15 0-15 */
+ /* a0-a1 16-17 */
+ /* cr (not psw) 18 */
+ /* psw 19 */
+ /* mem 20 */
+
+ for (j=0;j<2;j++)
+ {
+ if (j == 0)
+ {
+ op = op1;
+ ins = insn1;
+ }
+ else
+ {
+ op = op2;
+ ins = insn2;
+ }
+ mod[j] = used[j] = 0;
+ if (op->exec_type & BRANCH_LINK)
+ mod[j] |= 1 << 13;
+
+ for (i = 0; op->operands[i]; i++)
+ {
+ flags = d10v_operands[op->operands[i]].flags;
+ shift = d10v_operands[op->operands[i]].shift;
+ mask = 0x7FFFFFFF >> (31 - d10v_operands[op->operands[i]].bits);
+ if (flags & OPERAND_REG)
+ {
+ regno = (ins >> shift) & mask;
+ if (flags & (OPERAND_ACC0|OPERAND_ACC1))
+ regno += 16;
+ else if (flags & OPERAND_CONTROL) /* mvtc or mvfc */
+ {
+ if (regno == 0)
+ regno = 19;
+ else
+ regno = 18;
+ }
+ else if (flags & (OPERAND_FFLAG|OPERAND_CFLAG))
+ regno = 19;
+
+ if ( flags & OPERAND_DEST )
+ {
+ mod[j] |= 1 << regno;
+ if (flags & OPERAND_EVEN)
+ mod[j] |= 1 << (regno + 1);
+ }
+ else
+ {
+ used[j] |= 1 << regno ;
+ if (flags & OPERAND_EVEN)
+ used[j] |= 1 << (regno + 1);
+
+ /* Auto inc/dec also modifies the register. */
+ if (op->operands[i+1] != 0
+ && (d10v_operands[op->operands[i+1]].flags
+ & (OPERAND_PLUS | OPERAND_MINUS)) != 0)
+ mod[j] |= 1 << regno;
+ }
+ }
+ else if (flags & OPERAND_ATMINUS)
+ {
+ /* SP implicitly used/modified */
+ mod[j] |= 1 << 15;
+ used[j] |= 1 << 15;
+ }
+ }
+ if (op->exec_type & RMEM)
+ used[j] |= 1 << 20;
+ else if (op->exec_type & WMEM)
+ mod[j] |= 1 << 20;
+ else if (op->exec_type & RF0)
+ used[j] |= 1 << 19;
+ else if (op->exec_type & WF0)
+ mod[j] |= 1 << 19;
+ else if (op->exec_type & WCAR)
+ mod[j] |= 1 << 19;
+ }
+ if ((mod[0] & mod[1]) == 0 && (mod[0] & used[1]) == 0)
+ return 1;
+ return 0;
+}
+
+
/* This is the main entry point for the machine-dependent assembler. str points to a
machine-dependent instruction. This function is supposed to emit the frags/bytes
it assembles to. For the D10V, it mostly handles the special VLIW parsing and packing
static unsigned long prev_insn;
static struct d10v_opcode *prev_opcode = 0;
static subsegT prev_subseg;
-static segT prev_seg;
+static segT prev_seg = 0;;
+static int etype = 0; /* saved extype. used for multiline instructions */
void
md_assemble (str)
char *str;
{
- struct d10v_opcode *opcode;
+ struct d10v_opcode * opcode;
unsigned long insn;
- int t=0;
- char *str2;
+ int extype = 0; /* execution type; parallel, etc */
+ char * str2;
- /* printf("md_assemble: str=%s\n",str); */
-
- /* look for the special multiple instruction seperators */
- str2 = strstr (str, "||");
- if (str2)
- t = 1;
- else
+ if (etype == 0)
{
- str2 = strstr (str, "->");
+ /* look for the special multiple instruction separators */
+ str2 = strstr (str, "||");
if (str2)
- t = 2;
+ extype = 1;
else
{
- str2 = strstr (str, "<-");
+ str2 = strstr (str, "->");
if (str2)
- t = 3;
+ extype = 2;
+ else
+ {
+ str2 = strstr (str, "<-");
+ if (str2)
+ extype = 3;
+ }
+ }
+ /* str2 points to the separator, if one */
+ if (str2)
+ {
+ *str2 = 0;
+
+ /* if two instructions are present and we already have one saved
+ then first write it out */
+ d10v_cleanup ();
+
+ /* assemble first instruction and save it */
+ prev_insn = do_assemble (str, &prev_opcode);
+ if (prev_insn == -1)
+ as_fatal (_("can't find opcode "));
+ fixups = fixups->next;
+ str = str2 + 2;
}
}
-
- /* str2 points to the seperator, if one */
- if (str2)
+ insn = do_assemble (str, &opcode);
+ if (insn == -1)
{
- *str2 = 0;
-
- /* if two instructions are present and we already have one saved
- then first write it out */
- if (prev_opcode)
- write_1_short (prev_opcode, prev_insn, fixups->next);
-
- /* assemble first instruction and save it */
- prev_insn = do_assemble (str, &prev_opcode);
- fixups = fixups->next;
- str = str2 + 2;
+ if (extype)
+ {
+ etype = extype;
+ return;
+ }
+ as_fatal (_("can't find opcode "));
}
- insn = do_assemble (str, &opcode);
+ if (etype)
+ {
+ extype = etype;
+ etype = 0;
+ }
/* if this is a long instruction, write it and any previous short instruction */
if (opcode->format & LONG_OPCODE)
{
- if (t)
- as_fatal("Unable to mix instructions as specified");
- if (prev_opcode)
- {
- write_1_short (prev_opcode, prev_insn, fixups->next);
- prev_opcode = NULL;
- }
+ if (extype)
+ as_fatal (_("Unable to mix instructions as specified"));
+ d10v_cleanup ();
write_long (opcode, insn, fixups);
prev_opcode = NULL;
return;
}
- if (prev_opcode && (write_2_short (prev_opcode, prev_insn, opcode, insn, t, fixups) == 0))
+ if (prev_opcode && prev_seg && ((prev_seg != now_seg) || (prev_subseg != now_subseg)))
+ d10v_cleanup();
+
+ if (prev_opcode && (write_2_short (prev_opcode, prev_insn, opcode, insn, extype, fixups) == 0))
{
/* no instructions saved */
prev_opcode = NULL;
}
else
{
- if (t)
- as_fatal("Unable to mix instructions as specified");
+ if (extype)
+ as_fatal (_("Unable to mix instructions as specified"));
/* save off last instruction so it may be packed on next pass */
prev_opcode = opcode;
prev_insn = insn;
}
+/* do_assemble assembles a single instruction and returns an opcode */
+/* it returns -1 (an invalid opcode) on error */
+
static unsigned long
do_assemble (str, opcode)
char *str;
struct d10v_opcode **opcode;
{
- struct d10v_opcode *next_opcode;
unsigned char *op_start, *save;
unsigned char *op_end;
char name[20];
- int nlen = 0, i, match, numops;
+ int nlen = 0;
expressionS myops[6];
unsigned long insn;
- /* printf("do_assemble: str=%s\n",str); */
-
- /* Drop leading whitespace */
+ /* Drop leading whitespace. */
while (*str == ' ')
str++;
- /* find the opcode end */
+ /* Find the opcode end. */
for (op_start = op_end = (unsigned char *) (str);
*op_end
&& nlen < 20
&& !is_end_of_line[*op_end] && *op_end != ' ';
op_end++)
{
- name[nlen] = op_start[nlen];
+ name[nlen] = tolower (op_start[nlen]);
nlen++;
}
name[nlen] = 0;
if (nlen == 0)
- as_bad ("can't find opcode ");
+ return -1;
- /* find the first opcode with the proper name */
+ /* Find the first opcode with the proper name. */
*opcode = (struct d10v_opcode *)hash_find (d10v_hash, name);
if (*opcode == NULL)
- {
- as_fatal ("unknown opcode: %s",name);
- return;
- }
+ as_fatal (_("unknown opcode: %s"),name);
save = input_line_pointer;
input_line_pointer = op_end;
+ *opcode = find_opcode (*opcode, myops);
+ if (*opcode == 0)
+ return -1;
+ input_line_pointer = save;
+
+ insn = build_insn ((*opcode), myops, 0);
+ return (insn);
+}
+
+/* Find the symbol which has the same name as the register in the given expression. */
+static symbolS *
+find_symbol_matching_register (exp)
+ expressionS * exp;
+{
+ int i;
+
+ if (exp->X_op != O_register)
+ return NULL;
+
+ /* Find the name of the register. */
+ for (i = d10v_reg_name_cnt (); i--;)
+ if (d10v_predefined_registers [i].value == exp->X_add_number)
+ break;
+
+ if (i < 0)
+ abort ();
+
+ /* Now see if a symbol has been defined with the same name. */
+ return symbol_find (d10v_predefined_registers [i].name);
+}
+
+
+/* find_opcode() gets a pointer to an entry in the opcode table. */
+/* It must look at all opcodes with the same name and use the operands */
+/* to choose the correct opcode. */
+
+static struct d10v_opcode *
+find_opcode (opcode, myops)
+ struct d10v_opcode *opcode;
+ expressionS myops[];
+{
+ int i, match, done;
+ struct d10v_opcode *next_opcode;
/* get all the operands and save them as expressions */
- numops = get_operands (myops);
+ get_operands (myops);
/* now see if the operand is a fake. If so, find the correct size */
/* instruction, if possible */
- match = 0;
- if ((*opcode)->format == OPCODE_FAKE)
+ if (opcode->format == OPCODE_FAKE)
{
- int opnum = (*opcode)->operands[0];
- if (myops[opnum].X_op == O_constant)
+ int opnum = opcode->operands[0];
+ int flags;
+
+ if (myops[opnum].X_op == O_register)
{
- next_opcode=(*opcode)+1;
- for (i=0; (*opcode)->operands[i+1]; i++)
+ myops[opnum].X_op = O_symbol;
+ myops[opnum].X_add_symbol = symbol_find_or_make ((char *)myops[opnum].X_op_symbol);
+ myops[opnum].X_add_number = 0;
+ myops[opnum].X_op_symbol = NULL;
+ }
+
+ next_opcode=opcode+1;
+
+ /* If the first operand is supposed to be a register, make sure
+ we got a valid one. */
+ flags = d10v_operands[next_opcode->operands[0]].flags;
+ if (flags & OPERAND_REG)
+ {
+ int X_op = myops[0].X_op;
+ int num = myops[0].X_add_number;
+
+ if (X_op != O_register
+ || (num & ~flags
+ & (OPERAND_GPR | OPERAND_ACC0 | OPERAND_ACC1
+ | OPERAND_FFLAG | OPERAND_CFLAG | OPERAND_CONTROL)))
+ {
+ as_bad (_("bad opcode or operands"));
+ return 0;
+ }
+ }
+
+ if (myops[opnum].X_op == O_constant || (myops[opnum].X_op == O_symbol &&
+ S_IS_DEFINED(myops[opnum].X_add_symbol) &&
+ (S_GET_SEGMENT(myops[opnum].X_add_symbol) == now_seg)))
+ {
+ for (i=0; opcode->operands[i+1]; i++)
{
int bits = d10v_operands[next_opcode->operands[opnum]].bits;
int flags = d10v_operands[next_opcode->operands[opnum]].flags;
- if (!check_range (myops[opnum].X_add_number, bits, flags & OPERAND_SIGNED))
+ if (flags & OPERAND_ADDR)
+ bits += 2;
+ if (myops[opnum].X_op == O_constant)
{
- match = 1;
- break;
+ if (!check_range (myops[opnum].X_add_number, bits, flags))
+ return next_opcode;
+ }
+ else
+ {
+ fragS *f;
+ long value;
+ /* calculate the current address by running through the previous frags */
+ /* and adding our current offset */
+ for (value = 0, f = frchain_now->frch_root; f; f = f->fr_next)
+ value += f->fr_fix + f->fr_offset;
+
+ if (flags & OPERAND_ADDR)
+ value = S_GET_VALUE(myops[opnum].X_add_symbol) - value -
+ (obstack_next_free(&frchain_now->frch_obstack) - frag_now->fr_literal);
+ else
+ value = S_GET_VALUE(myops[opnum].X_add_symbol);
+
+ if (AT_WORD_P (&myops[opnum]))
+ {
+ if (bits > 4)
+ {
+ bits += 2;
+ if (!check_range (value, bits, flags))
+ return next_opcode;
+ }
+ }
+ else if (!check_range (value, bits, flags))
+ return next_opcode;
}
next_opcode++;
}
+ as_fatal (_("value out of range"));
}
else
{
- /* not a constant, so use a long instruction */
- next_opcode = (*opcode)+2;
- match = 1;
+ /* not a constant, so use a long instruction */
+ return opcode+2;
}
- if (match)
- *opcode = next_opcode;
- else
- as_fatal ("value out of range");
}
else
{
+ match = 0;
/* now search the opcode table table for one with operands */
- /* that match what we've got */
+ /* that matches what we've got */
while (!match)
{
match = 1;
- for (i = 0; (*opcode)->operands[i]; i++)
+ for (i = 0; opcode->operands[i]; i++)
{
- int flags = d10v_operands[(*opcode)->operands[i]].flags;
+ int flags = d10v_operands[opcode->operands[i]].flags;
int X_op = myops[i].X_op;
int num = myops[i].X_add_number;
-
- if (X_op==0)
+
+ if (X_op == 0)
{
- match=0;
+ match = 0;
break;
}
- if (flags & OPERAND_REG)
+ if (flags & OPERAND_REG)
{
- if ((X_op != O_register) ||
- ((flags & OPERAND_ACC) != (num & OPERAND_ACC)) ||
- ((flags & OPERAND_FLAG) != (num & OPERAND_FLAG)) ||
- ((flags & OPERAND_CONTROL) != (num & OPERAND_CONTROL)))
+ if ((X_op != O_register)
+ || (num & ~flags
+ & (OPERAND_GPR | OPERAND_ACC0 | OPERAND_ACC1
+ | OPERAND_FFLAG | OPERAND_CFLAG
+ | OPERAND_CONTROL)))
{
- match=0;
+ match = 0;
break;
- }
+ }
}
- if (((flags & OPERAND_MINUS) && ((X_op != O_absent) || (num != OPERAND_MINUS))) ||
- ((flags & OPERAND_PLUS) && ((X_op != O_absent) || (num != OPERAND_PLUS))) ||
+ 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))))
+ ((flags & OPERAND_ATPAR) && ((X_op != O_absent) || (num != OPERAND_ATPAR))) ||
+ ((flags & OPERAND_ATSIGN) && ((X_op != O_absent) || (num != OPERAND_ATSIGN))))
{
- match=0;
+ match = 0;
break;
}
+ /* Unfortunatly, for the indirect operand in instructions such as
+ ``ldb r1, @(c,r14)'' this function can be passed X_op == O_register
+ (because 'c' is a valid register name). However we cannot just
+ ignore the case when X_op == O_register but flags & OPERAND_REG is
+ null, so we check to see if a symbol of the same name as the register
+ exists. If the symbol does exist, then the parser was unable to
+ distinguish the two cases and we fix things here. (Ref: PR14826) */
+
+ if (!(flags & OPERAND_REG) && (X_op == O_register))
+ {
+ symbolS * sym;
+
+ sym = find_symbol_matching_register (& myops[i]);
+
+ if (sym != NULL)
+ {
+ myops [i].X_op == X_op == O_symbol;
+ myops [i].X_add_symbol = sym;
+ }
+ else
+ as_bad
+ (_("illegal operand - register name found where none expected"));
+ }
}
- /* we're only done if the operands matched AND there
- are no more to check */
- if (match && myops[i].X_op==0)
+ /* We're only done if the operands matched so far AND there
+ are no more to check. */
+ if (match && myops[i].X_op == 0)
break;
+ else
+ match = 0;
+
+ next_opcode = opcode + 1;
- next_opcode = (*opcode)+1;
if (next_opcode->opcode == 0)
break;
- if (strcmp(next_opcode->name, (*opcode)->name))
+
+ if (strcmp (next_opcode->name, opcode->name))
break;
- (*opcode) = next_opcode;
+
+ opcode = next_opcode;
}
}
if (!match)
{
- as_bad ("bad opcode or operands");
+ as_bad (_("bad opcode or operands"));
return (0);
}
/* Check that all registers that are required to be even are. */
/* Also, if any operands were marked as registers, but were really symbols */
/* fix that here. */
- for (i=0; (*opcode)->operands[i]; i++)
+ for (i=0; opcode->operands[i]; i++)
{
- if ((d10v_operands[(*opcode)->operands[i]].flags & OPERAND_EVEN) &&
+ if ((d10v_operands[opcode->operands[i]].flags & OPERAND_EVEN) &&
(myops[i].X_add_number & 1))
- as_fatal("Register number must be EVEN");
+ as_fatal (_("Register number must be EVEN"));
if (myops[i].X_op == O_register)
{
- if (!(d10v_operands[(*opcode)->operands[i]].flags & OPERAND_REG))
+ if (!(d10v_operands[opcode->operands[i]].flags & OPERAND_REG))
{
myops[i].X_op = O_symbol;
myops[i].X_add_symbol = symbol_find_or_make ((char *)myops[i].X_op_symbol);
myops[i].X_add_number = 0;
myops[i].X_op_symbol = NULL;
- /* FIXME create a fixup */
}
}
}
-
- input_line_pointer = save;
-
- /* at this point, we have "opcode" pointing to the opcode entry in the
- d10v opcode table, with myops filled out with the operands. */
- insn = build_insn ((*opcode), myops, 0);
- /* printf("sub-insn = %lx\n",insn); */
-
- return (insn);
+ return opcode;
}
-
/* if while processing a fixup, a reloc really needs to be created */
/* then it is done here */
fixS *fixp;
{
arelent *reloc;
- reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent));
+ reloc = (arelent *) xmalloc (sizeof (arelent));
reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
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);
+ _("reloc %d not supported by object file format"), (int)fixp->fx_r_type);
return NULL;
}
+
+ if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
+ || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
+ reloc->address = fixp->fx_offset;
+
reloc->addend = fixp->fx_addnumber;
- /* printf("tc_gen_reloc: addr=%x addend=%x\n", reloc->address, reloc->addend); */
+
return reloc;
}
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; */
+ return fixp->fx_frag->fr_address + fixp->fx_where;
}
int
else
{
/* We don't actually support subtracting a symbol. */
- as_bad_where (fixp->fx_file, fixp->fx_line,
- "expression too complex");
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("expression too complex"));
}
}
}
-
- /* printf("md_apply_fix: value=0x%x type=%d\n", value, fixp->fx_r_type); */
op_type = fixp->fx_r_type;
- if (op_type & 1024)
+ if (op_type & 2048)
{
- op_type -= 1024;
- fixp->fx_r_type = BFD_RELOC_D10V_10_PCREL_L;
- left = 1;
+ op_type -= 2048;
+ if (op_type & 1024)
+ {
+ op_type -= 1024;
+ fixp->fx_r_type = BFD_RELOC_D10V_10_PCREL_L;
+ left = 1;
+ }
+ else if (op_type & 4096)
+ {
+ op_type -= 4096;
+ fixp->fx_r_type = BFD_RELOC_D10V_18;
+ }
+ else
+ fixp->fx_r_type = get_reloc((struct d10v_operand *)&d10v_operands[op_type]);
}
- else
- fixp->fx_r_type = get_reloc((struct d10v_operand *)&d10v_operands[op_type]);
/* Fetch the instruction, insert the fully resolved operand
value, and stuff the instruction back again. */
case BFD_RELOC_D10V_10_PCREL_L:
case BFD_RELOC_D10V_10_PCREL_R:
case BFD_RELOC_D10V_18_PCREL:
- /* instruction addresses are always right-shifted by 2
- and pc-relative */
- if (!fixp->fx_pcrel)
- value -= fixp->fx_where;
- value >>= 2;
- default:
+ case BFD_RELOC_D10V_18:
+ /* instruction addresses are always right-shifted by 2 */
+ value >>= AT_WORD_RIGHT_SHIFT;
+ if (fixp->fx_size == 2)
+ bfd_putb16 ((bfd_vma) value, (unsigned char *) where);
+ else
+ {
+ struct d10v_opcode *rep, *repi;
+
+ rep = (struct d10v_opcode *) hash_find (d10v_hash, "rep");
+ repi = (struct d10v_opcode *) hash_find (d10v_hash, "repi");
+ if ((insn & FM11) == FM11
+ && (repi != NULL && (insn & repi->mask) == repi->opcode
+ || rep != NULL && (insn & rep->mask) == rep->opcode)
+ && value < 4)
+ as_fatal
+ (_("line %d: rep or repi must include at least 4 instructions"),
+ fixp->fx_line);
+ insn = d10v_insert_operand (insn, op_type, (offsetT)value, left, fixp);
+ bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
+ }
+ break;
+ case BFD_RELOC_32:
+ bfd_putb32 ((bfd_vma) value, (unsigned char *) where);
+ break;
+ case BFD_RELOC_16:
+ bfd_putb16 ((bfd_vma) value, (unsigned char *) where);
break;
- }
- /* printf(" insn=%x value=%x where=%x pcrel=%x\n",insn,value,fixp->fx_where,fixp->fx_pcrel); */
-
- insn = d10v_insert_operand (insn, op_type, (offsetT)value, left);
-
- /* printf(" new insn=%x\n",insn); */
-
- bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
-
- if (fixp->fx_done)
- return 1;
- fixp->fx_addnumber = value;
- return 1;
-}
+ case BFD_RELOC_VTABLE_INHERIT:
+ case BFD_RELOC_VTABLE_ENTRY:
+ fixp->fx_done = 0;
+ return 1;
+ default:
+ as_fatal (_("line %d: unknown relocation type: 0x%x"),fixp->fx_line,fixp->fx_r_type);
+ }
+ return 0;
+}
/* d10v_cleanup() is called after the assembler has finished parsing the input
file or after a label is defined. Because the D10V assembler sometimes saves short
instructions to see if it can package them with the next instruction, there may
be a short instruction that still needs written. */
int
-d10v_cleanup (done)
- int done;
+d10v_cleanup ()
{
segT seg;
subsegT subseg;
- if ( prev_opcode && (done || (now_seg == prev_seg) && (now_subseg == prev_subseg)))
+ if (prev_opcode && etype == 0)
{
seg = now_seg;
subseg = now_subseg;
- subseg_set (prev_seg, prev_subseg);
- write_1_short (prev_opcode, prev_insn, fixups);
+ if (prev_seg)
+ subseg_set (prev_seg, prev_subseg);
+ write_1_short (prev_opcode, prev_insn, fixups->next);
subseg_set (seg, subseg);
prev_opcode = NULL;
}
return 1;
}
+
+/* Like normal .word, except support @word */
+/* clobbers input_line_pointer, checks end-of-line. */
+static void
+d10v_dot_word (nbytes)
+ register int nbytes; /* 1=.byte, 2=.word, 4=.long */
+{
+ expressionS exp;
+ bfd_reloc_code_real_type reloc;
+ char *p;
+ int offset;
+
+ if (is_it_end_of_statement ())
+ {
+ demand_empty_rest_of_line ();
+ return;
+ }
+
+ do
+ {
+ expression (&exp);
+ if (!strncasecmp (input_line_pointer, "@word", 5))
+ {
+ exp.X_add_number = 0;
+ input_line_pointer += 5;
+
+ p = frag_more (2);
+ fix_new_exp (frag_now, p - frag_now->fr_literal, 2,
+ &exp, 0, BFD_RELOC_D10V_18);
+ }
+ else
+ emit_expr (&exp, 2);
+ }
+ while (*input_line_pointer++ == ',');
+
+ input_line_pointer--; /* Put terminator back into stream. */
+ demand_empty_rest_of_line ();
+}
+
+
+/* Mitsubishi asked that we support some old syntax that apparently */
+/* had immediate operands starting with '#'. This is in some of their */
+/* sample code but is not documented (although it appears in some */
+/* examples in their assembler manual). For now, we'll solve this */
+/* compatibility problem by simply ignoring any '#' at the beginning */
+/* of an operand. */
+
+/* operands that begin with '#' should fall through to here */
+/* from expr.c */
+
+void
+md_operand (expressionP)
+ expressionS *expressionP;
+{
+ if (*input_line_pointer == '#')
+ {
+ input_line_pointer++;
+ expression (expressionP);
+ }
+}
+
+boolean
+d10v_fix_adjustable (fixP)
+ fixS *fixP;
+{
+
+ if (fixP->fx_addsy == NULL)
+ return 1;
+
+ /* Prevent all adjustments to global symbols. */
+ if (S_IS_EXTERN (fixP->fx_addsy))
+ return 0;
+ if (S_IS_WEAK (fixP->fx_addsy))
+ return 0;
+
+ /* We need the symbol name for the VTABLE entries */
+ if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
+ || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
+ return 0;
+
+ return 1;
+}
+
+int
+d10v_force_relocation (fixp)
+ struct fix *fixp;
+{
+ if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
+ || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
+ return 1;
+
+ return 0;
+}