-/* tc-ldx.c -- Assemble for the DLX
- Copyright 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+/* tc-dlx.c -- Assemble for the DLX
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
/* Initially created by Kuang Hwa Lin, 3/20/2002. */
-#include "safe-ctype.h"
#include "as.h"
+#include "safe-ctype.h"
#include "tc-dlx.h"
#include "opcode/dlx.h"
+#include "elf/dlx.h"
+#include "bfd/elf32-dlx.h"
/* Make it easier to clone this machine desc into another one. */
#define machine_opcode dlx_opcode
int pcrel;
int size;
int reloc_offset; /* Offset of reloc within insn. */
- int reloc;
+ bfd_reloc_code_real_type reloc;
int HI;
int LO;
}
const char FLT_CHARS[] = "rRsSfFdDxXpP";
static void
-insert_sreg (char *regname, int regnum)
+insert_sreg (const char *regname, int regnum)
{
/* Must be large enough to hold the names of the special registers. */
char buf[80];
#define MAX_REG_NO 35
/* Currently we have 35 software registers defined -
we borrowed from MIPS. */
- static char *soft_reg[] =
+ static const char *soft_reg[] =
{
"zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9",
return;
}
- name = input_line_pointer;
- delim1 = get_symbol_end ();
+ delim1 = get_symbol_name (&name);
name = xstrdup (name);
*input_line_pointer = delim1;
- SKIP_WHITESPACE ();
+ SKIP_WHITESPACE_AFTER_NAME ();
if (*input_line_pointer != ',')
{
/* Missing entry point, use function's name with the leading
char prepended. */
if (leading_char)
- asprintf (&label, "%c%s", leading_char, name);
+ {
+ unsigned len = strlen (name) + 1;
+ label = XNEWVEC (char, len + 1);
+ label[0] = leading_char;
+ memcpy (label + 1, name, len);
+ }
else
label = name;
}
{
++input_line_pointer;
SKIP_WHITESPACE ();
- label = input_line_pointer;
- delim2 = get_symbol_end ();
+ delim2 = get_symbol_name (&label);
label = xstrdup (label);
- *input_line_pointer = delim2;
+ (void) restore_line_pointer (delim2);
}
current_name = name;
if (retval != NULL)
{
- fprintf (stderr, "internal error: can't hash `%s': %s\n",
+ fprintf (stderr, _("internal error: can't hash `%s': %s\n"),
machine_opcodes[i].name, retval);
lose = 1;
}
parse_operand (char *s, expressionS *operandp)
{
char *save = input_line_pointer;
- char *new;
+ char *new_pos;
the_insn.HI = the_insn.LO = 0;
(void) expression (operandp);
}
- new = input_line_pointer;
+ new_pos = input_line_pointer;
input_line_pointer = save;
- return new;
+ return new_pos;
}
/* Instruction parsing. Takes a string containing the opcode.
char *s;
const char *args;
struct machine_opcode *insn;
- char *argsStart;
unsigned long opcode;
expressionS the_operand;
expressionS *operand = &the_operand;
unsigned int reg, reg_shift = 0;
+ memset (&the_insn, '\0', sizeof (the_insn));
+ the_insn.reloc = NO_RELOC;
+
/* Fixup the opcode string to all lower cases, and also
allow numerical digits. */
s = str;
return;
}
- /* Hash the opcode, insn will have the string from opcode table.
- also initialized the_insn struct. */
+ /* Hash the opcode, insn will have the string from opcode table. */
if ((insn = (struct machine_opcode *) hash_find (op_hash, str)) == NULL)
{
/* Handle the ret and return macro here. */
if ((strcmp (str, "ret") == 0) || (strcmp (str, "return") == 0))
- {
- memset (&the_insn, '\0', sizeof (the_insn));
- the_insn.reloc = NO_RELOC;
- the_insn.pcrel = 0;
- the_insn.opcode =
- (unsigned long)(JROP | 0x03e00000); /* 0x03e00000 = r31 << 21 */
- }
+ the_insn.opcode = JROP | 0x03e00000; /* 0x03e00000 = r31 << 21 */
else
as_bad (_("Unknown opcode `%s'."), str);
return;
}
- argsStart = s;
opcode = insn->opcode;
- memset (&the_insn, '\0', sizeof (the_insn));
- the_insn.reloc = NO_RELOC;
- the_insn.pcrel = 0;
/* Set the sip reloc HI16 flag. */
if (!set_dlx_skip_hi16_flag (1))
/* Macro move operand/reg. */
if (operand->X_op == O_register)
{
- /* Its a register. */
+ /* It's a register. */
reg_shift = 21;
goto general_reg;
}
+ /* Fall through. */
/* The immediate 16 bits literal, bit 0-15. */
case 'i':
continue;
}
- the_insn.reloc = (the_insn.HI) ? RELOC_DLX_HI16
+ the_insn.reloc = (the_insn.HI) ? RELOC_DLX_HI16
: (the_insn.LO ? RELOC_DLX_LO16 : RELOC_DLX_16);
the_insn.reloc_offset = 2;
the_insn.size = 2;
}
/* Types or values of args don't match. */
- as_bad ("Invalid operands");
+ as_bad (_("Invalid operands"));
return;
}
}
know (str);
machine_ip (str);
toP = frag_more (4);
+ dwarf2_emit_insn (4);
+
/* Put out the opcode. */
md_number_to_chars (toP, the_insn.opcode, 4);
switch (fixP->fx_r_type)
{
case RELOC_DLX_REL26:
- bitP = malloc (sizeof (bit_fixS));
+ bitP = XNEW (bit_fixS);
bitP->fx_bit_size = 26;
bitP->fx_bit_offset = 25;
bitP->fx_bit_base = the_insn.opcode & 0xFC000000;
break;
case RELOC_DLX_LO16:
case RELOC_DLX_REL16:
- bitP = malloc (sizeof (bit_fixS));
+ bitP = XNEW (bit_fixS);
bitP->fx_bit_size = 16;
bitP->fx_bit_offset = 15;
bitP->fx_bit_base = the_insn.opcode & 0xFFFF0000;
fixP->fx_bit_fixP = bitP;
break;
case RELOC_DLX_HI16:
- bitP = malloc (sizeof (bit_fixS));
+ bitP = XNEW (bit_fixS);
bitP->fx_bit_size = 16;
bitP->fx_bit_offset = 15;
bitP->fx_bit_base = the_insn.opcode & 0xFFFF0000;
}
/* This is identical to the md_atof in m68k.c. I think this is right,
- but I'm not sure.
-
- 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. */
-/* Dlx will not use it anyway, so I just leave it here for now. */
-
-/* Equal to MAX_PRECISION in atof-ieee.c. */
-#define MAX_LITTLENUMS 6
+ but I'm not sure. Dlx will not use it anyway, so I just leave it
+ here for now. */
-char *
+const char *
md_atof (int type, char *litP, int *sizeP)
{
- int prec;
- LITTLENUM_TYPE words[MAX_LITTLENUMS];
- LITTLENUM_TYPE *wordP;
- char *t;
-
- switch (type)
- {
- case 'f':
- case 'F':
- case 's':
- case 'S':
- prec = 2;
- break;
-
- case 'd':
- case 'D':
- case 'r':
- case 'R':
- prec = 4;
- break;
-
- case 'x':
- case 'X':
- prec = 6;
- break;
-
- case 'p':
- case 'P':
- prec = 6;
- 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 * sizeof (LITTLENUM_TYPE);
-
- for (wordP = words; prec--;)
- {
- md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE));
- litP += sizeof (LITTLENUM_TYPE);
- }
-
- return 0;
+ return ieee_md_atof (type, litP, sizeP, TRUE);
}
/* Write out big-endian. */
}
void
-md_apply_fix3 (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
+md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
{
long val = *valP;
char *place = fixP->fx_where + fixP->fx_frag->fr_literal;
free (fixP->fx_bit_fixP);
fixP->fx_bit_fixP = NULL;
}
-#ifdef DEBUG
- else
- know ((fixP->fx_bit_fixP != NULL));
-#endif
break;
case RELOC_DLX_HI16:
free (fixP->fx_bit_fixP);
fixP->fx_bit_fixP = NULL;
}
-#ifdef DEBUG
- else
- know ((fixP->fx_bit_fixP != NULL));
-#endif
break;
case RELOC_DLX_REL26:
free (fixP->fx_bit_fixP);
fixP->fx_bit_fixP = NULL;
}
-#ifdef DEBUG
- else
- know ((fixP->fx_bit_fixP != NULL));
-#endif
break;
case BFD_RELOC_VTABLE_INHERIT:
number_to_chars_bigendian (place, val, fixP->fx_size);
if (fixP->fx_addsy == NULL)
fixP->fx_done = 1;
+ if (fixP->fx_bit_fixP != NULL)
+ fixP->fx_no_overflow = 1;
}
const char *md_shortopts = "";
int
md_parse_option (int c ATTRIBUTE_UNUSED,
- char *arg ATTRIBUTE_UNUSED)
+ const char *arg ATTRIBUTE_UNUSED)
{
return 0;
}
{
arelent * reloc;
- reloc = xmalloc (sizeof (arelent));
+ reloc = XNEW (arelent);
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixP->fx_r_type);
if (reloc->howto == NULL)
{
as_bad_where (fixP->fx_file, fixP->fx_line,
- "internal error: can't export reloc type %d (`%s')",
+ _("internal error: can't export reloc type %d (`%s')"),
fixP->fx_r_type,
bfd_get_reloc_code_name (fixP->fx_r_type));
return NULL;
}
- assert (!fixP->fx_pcrel == !reloc->howto->pc_relative);
+ gas_assert (!fixP->fx_pcrel == !reloc->howto->pc_relative);
- reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
+ reloc->sym_ptr_ptr = XNEW (asymbol *);
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixP->fx_addsy);
reloc->address = fixP->fx_frag->fr_address + fixP->fx_where;
dlx_pseudo_table[] =
{
/* Some additional ops that are used by gcc-dlx. */
- {"asciiz", stringer, 1},
+ {"asciiz", stringer, 8 + 1},
{"half", cons, 2},
{"dword", cons, 8},
{"word", cons, 4},
pop_insert (dlx_pseudo_table);
return ;
}
-