/* tc-mt.c -- Assembler for the Morpho Technologies mt .
- Copyright (C) 2005 Free Software Foundation.
+ Copyright (C) 2005-2019 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,
GNU General Public License for more details.
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. */
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include <stdio.h>
#include "as.h"
#include "dwarf2dbg.h"
-#include "subsegs.h"
+#include "subsegs.h"
#include "symcat.h"
#include "opcodes/mt-desc.h"
#include "opcodes/mt-opc.h"
#include "cgen.h"
#include "elf/common.h"
#include "elf/mt.h"
-#include "libbfd.h"
/* Structure to hold all of the different components
describing an individual instruction. */
const char comment_chars[] = ";";
const char line_comment_chars[] = "#";
-const char line_separator_chars[] = "";
+const char line_separator_chars[] = "";
const char EXP_CHARS[] = "eE";
const char FLT_CHARS[] = "dD";
/* The target specific pseudo-ops which we support. */
const pseudo_typeS md_pseudo_table[] =
{
- { "word", cons, 4 },
+ { "word", cons, 4 },
{ NULL, NULL, 0 }
};
static int no_scheduling_restrictions = 0;
-struct option md_longopts[] =
+struct option md_longopts[] =
{
#define OPTION_NO_SCHED_REST (OPTION_MD_BASE)
{ "nosched", no_argument, NULL, OPTION_NO_SCHED_REST },
};
/* MT architecture we are using for this output file. */
-static enum mt_architectures mt_arch = ms1_64_001;
+static enum mt_architectures mt_arch = ms1_16_002;
int
-md_parse_option (int c ATTRIBUTE_UNUSED, char * arg)
+md_parse_option (int c ATTRIBUTE_UNUSED, const char * arg)
{
switch (c)
{
case OPTION_MARCH:
- if (strcasecmp (arg, "MS1-64-001") == 0)
+ if (strcmp (arg, "ms1-64-001") == 0)
{
mt_flags = (mt_flags & ~EF_MT_CPU_MASK) | EF_MT_CPU_MRISC;
mt_mach = bfd_mach_ms1;
mt_mach_bitmask = 1 << MACH_MS1;
mt_arch = ms1_64_001;
}
- else if (strcasecmp (arg, "MS1-16-002") == 0)
+ else if (strcmp (arg, "ms1-16-002") == 0)
{
mt_flags = (mt_flags & ~EF_MT_CPU_MASK) | EF_MT_CPU_MRISC;
mt_mach = bfd_mach_ms1;
mt_mach_bitmask = 1 << MACH_MS1;
mt_arch = ms1_16_002;
}
- else if (strcasecmp (arg, "MS1-16-003") == 0)
+ else if (strcmp (arg, "ms1-16-003") == 0)
{
mt_flags = (mt_flags & ~EF_MT_CPU_MASK) | EF_MT_CPU_MRISC2;
mt_mach = bfd_mach_mrisc2;
mt_mach_bitmask = 1 << MACH_MS1_003;
mt_arch = ms1_16_003;
}
- else if (strcasecmp (arg, "MS2") == 0)
+ else if (strcmp (arg, "ms2") == 0)
{
mt_flags = (mt_flags & ~EF_MT_CPU_MASK) | EF_MT_CPU_MS2;
mt_mach = bfd_mach_mrisc2;
mt_mach_bitmask = 1 << MACH_MS2;
mt_arch = ms2;
}
+ break;
case OPTION_NO_SCHED_REST:
no_scheduling_restrictions = 1;
break;
md_show_usage (FILE * stream)
{
fprintf (stream, _("MT specific command line options:\n"));
- fprintf (stream, _(" -march=ms1-64-001 allow ms1-64-001 instructions (default) \n"));
- fprintf (stream, _(" -march=ms1-16-002 allow ms1-16-002 instructions \n"));
- fprintf (stream, _(" -march=ms1-16-003 allow ms1-16-003 instructions \n"));
+ fprintf (stream, _(" -march=ms1-64-001 allow ms1-64-001 instructions\n"));
+ fprintf (stream, _(" -march=ms1-16-002 allow ms1-16-002 instructions (default)\n"));
+ fprintf (stream, _(" -march=ms1-16-003 allow ms1-16-003 instructions\n"));
fprintf (stream, _(" -march=ms2 allow ms2 instructions \n"));
- fprintf (stream, _(" -nosched disable scheduling restrictions \n"));
+ fprintf (stream, _(" -nosched disable scheduling restrictions\n"));
}
\f
md_begin (void)
{
/* Initialize the `cgen' interface. */
-
+
/* Set the machine number and endian. */
gas_cgen_cpu_desc = mt_cgen_cpu_open (CGEN_CPU_OPEN_MACHS, mt_mach_bitmask,
CGEN_CPU_OPEN_ENDIAN,
/* Set the machine type. */
bfd_default_set_arch_mach (stdoutput, bfd_arch_mt, mt_mach);
+
+ literal_prefix_dollar_hex = TRUE;
}
void
&& insn.fields.f_sr1 == delayed_load_register)
|| (CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_USES_FRSR2)
&& insn.fields.f_sr2 == delayed_load_register))
- as_warn (_("operand references R%ld of previous instrutcion."),
+ as_warn (_("operand references R%ld of previous instruction."),
delayed_load_register);
else if ((CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_USES_FRSR1)
&& insn.fields.f_sr1 == prev_delayed_load_register)
|| (CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_USES_FRSR2)
&& insn.fields.f_sr2 == prev_delayed_load_register))
- as_warn (_("operand references R%ld of instructcion before previous."),
+ as_warn (_("operand references R%ld of instruction before previous."),
prev_delayed_load_register);
}
-
+
/* Detect data dependency between conditional branch instruction
and an immediately preceding arithmetic or logical instruction. */
if (last_insn_was_arithmetic_or_logic
last_insn_had_delay_slot =
CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_DELAY_SLOT);
+ (void) last_insn_had_delay_slot;
last_insn_has_load_delay =
CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_LOAD_DELAY);
last_insn_was_branch_insn =
CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_BR_INSN);
-
+
last_insn_was_conditional_branch_insn =
CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_BR_INSN)
&& CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_USES_FRSR2);
-
+
prev_delayed_load_register = delayed_load_register;
-
+
if (CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_USES_FRDR))
- delayed_load_register = insn.fields.f_dr;
+ delayed_load_register = insn.fields.f_dr;
else if (CGEN_INSN_ATTR_VALUE (insn.insn, CGEN_INSN_USES_FRDRRR))
- delayed_load_register = insn.fields.f_drrr;
+ delayed_load_register = insn.fields.f_drrr;
else /* Insns has no destination register. */
- delayed_load_register = 0;
+ delayed_load_register = 0;
/* Generate dwarf2 line numbers. */
- dwarf2_emit_insn (4);
+ dwarf2_emit_insn (4);
}
valueT
md_section_align (segT segment, valueT size)
{
- int align = bfd_get_section_alignment (stdoutput, segment);
+ int align = bfd_section_alignment (segment);
- return ((size + (1 << align) - 1) & (-1 << align));
+ return ((size + (1 << align) - 1) & -(1 << align));
}
symbolS *
{
as_fatal (_("md_estimate_size_before_relax\n"));
return 1;
-}
+}
/* *fragP has been relaxed to its final size, and now needs to have
the bytes inside it modified to conform to the new size.
number_to_chars_bigendian (buf, val, n);
}
-/* 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. */
-
-/* Equal to MAX_PRECISION in atof-ieee.c. */
-#define MAX_LITTLENUMS 6
-
-char *
-md_atof (type, litP, sizeP)
- char type;
- char * litP;
- int * sizeP;
+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;
-
- /* FIXME: Some targets allow other format chars for bigger sizes here. */
-
- 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);
-
- /* This loops outputs the LITTLENUMs in REVERSE order;
- in accord with the mt endianness. */
- 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, FALSE);
}
/* See whether we need to force a relocation into the output file. */
bfd_boolean
mt_fix_adjustable (fixS * fixP)
{
- bfd_reloc_code_real_type reloc_type;
-
if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
{
const CGEN_INSN *insn = NULL;
const CGEN_OPERAND *operand;
operand = cgen_operand_lookup_by_num(gas_cgen_cpu_desc, opindex);
- reloc_type = md_cgen_lookup_reloc (insn, operand, fixP);
+ md_cgen_lookup_reloc (insn, operand, fixP);
}
- else
- reloc_type = fixP->fx_r_type;
if (fixP->fx_addsy == NULL)
return TRUE;
-
+
/* Prevent all adjustments to global symbols. */
if (S_IS_EXTERNAL (fixP->fx_addsy))
return FALSE;
-
+
if (S_IS_WEAK (fixP->fx_addsy))
return FALSE;
-
+
return 1;
}
projects / deliverable / binutils-gdb.git / blobdiff