/* tc-fr30.c -- Assembler for the Fujitsu FR30.
- Copyright (C) 1998, 1999 Free Software Foundation.
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
Boston, MA 02111-1307, USA. */
#include <stdio.h>
-#include <ctype.h>
#include "as.h"
-#include "subsegs.h"
+#include "safe-ctype.h"
+#include "subsegs.h"
#include "symcat.h"
#include "opcodes/fr30-desc.h"
#include "opcodes/fr30-opc.h"
int
md_parse_option (c, arg)
- int c;
- char * arg;
+ int c ATTRIBUTE_UNUSED;
+ char *arg ATTRIBUTE_UNUSED;
{
switch (c)
{
FILE * stream;
{
fprintf (stream, _(" FR30 specific command line options:\n"));
-}
+}
/* The target specific pseudo-ops which we support. */
const pseudo_typeS md_pseudo_table[] =
void
md_begin ()
{
- flagword applicable;
- segT seg;
- subsegT subseg;
-
/* Initialize the `cgen' interface. */
-
+
/* Set the machine number and endian. */
gas_cgen_cpu_desc = fr30_cgen_cpu_open (CGEN_CPU_OPEN_MACHS, 0,
CGEN_CPU_OPEN_ENDIAN,
void
md_assemble (str)
- char * str;
+ char *str;
{
static int last_insn_had_delay_slot = 0;
fr30_insn insn;
- char * errmsg;
- char * str2 = NULL;
+ char *errmsg;
/* Initialize GAS's cgen interface for a new instruction. */
gas_cgen_init_parse ();
insn.insn = fr30_cgen_assemble_insn
(gas_cgen_cpu_desc, str, & insn.fields, insn.buffer, & errmsg);
-
+
if (!insn.insn)
{
as_bad (errmsg);
/* The syntax in the manual says constants begin with '#'.
We just ignore it. */
-void
+void
md_operand (expressionP)
expressionS * expressionP;
{
symbolS *
md_undefined_symbol (name)
- char * name;
+ char *name ATTRIBUTE_UNUSED;
{
return 0;
}
{0x2000000 - 1 - 2, -0x2000000 - 2, 4, 0 }
};
+#if 0
long
-fr30_relax_frag (fragP, stretch)
+fr30_relax_frag (segment, fragP, stretch)
+ segT segment;
fragS * fragP;
long stretch;
{
}
else
{
- growth = relax_frag (fragP, stretch);
+ growth = relax_frag (segment, fragP, stretch);
/* Long jump on odd halfword boundary? */
if (fragP->fr_subtype == 2 && (address & 3) != 0)
return growth;
}
+#endif
/* Return an initial guess of the length by which a fragment must grow to
hold a branch to reach its destination.
fragS * fragP;
segT segment;
{
- int old_fr_fix = fragP->fr_fix;
-
/* The only thing we have to handle here are symbols outside of the
current segment. They may be undefined or in a different segment in
which case linker scripts may place them anywhere.
if (S_GET_SEGMENT (fragP->fr_symbol) != segment)
{
+#if 0
+ int old_fr_fix = fragP->fr_fix;
+#endif
+
/* The symbol is undefined in this segment.
Change the relaxation subtype to the max allowable and leave
all further handling to md_convert_frag. */
fragP->fr_subtype = 2;
-#if 0 /* Can't use this, but leave in for illustration. */
+#if 0 /* Can't use this, but leave in for illustration. */
/* Change 16 bit insn to 32 bit insn. */
fragP->fr_opcode[0] |= 0x80;
/* Mark this fragment as finished. */
frag_wane (fragP);
+ return fragP->fr_fix - old_fr_fix;
#else
{
const CGEN_INSN * insn;
if ((strcmp (CGEN_INSN_MNEMONIC (insn),
CGEN_INSN_MNEMONIC (fragP->fr_cgen.insn))
== 0)
- && CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAX))
+ && CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED))
break;
}
if (i == 4)
#endif
}
- return (fragP->fr_var + fragP->fr_fix - old_fr_fix);
-}
+ /* Return the size of the variable part of the frag. */
+ return md_relax_table[fragP->fr_subtype].rlx_length;
+}
/* *fragP has been relaxed to its final size, and now needs to have
the bytes inside it modified to conform to the new size.
void
md_convert_frag (abfd, sec, fragP)
- bfd * abfd;
- segT sec;
- fragS * fragP;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ segT sec ATTRIBUTE_UNUSED;
+ fragS *fragP ATTRIBUTE_UNUSED;
{
#if 0
char * opcode;
{
/* Address we want to reach in file space. */
target_address = S_GET_VALUE (fragP->fr_symbol) + fragP->fr_offset;
- target_address += symbol_get_frag (fragP->fr_symbol)->fr_address;
addend = (target_address - (opcode_address & -4)) >> 2;
}
bfd_reloc_code_real_type
md_cgen_lookup_reloc (insn, operand, fixP)
- const CGEN_INSN * insn;
- const CGEN_OPERAND * operand;
- fixS * fixP;
+ const CGEN_INSN *insn ATTRIBUTE_UNUSED;
+ const CGEN_OPERAND *operand;
+ fixS *fixP;
{
switch (operand->type)
{
return BFD_RELOC_NONE;
}
-
-/* See whether we need to force a relocation into the output file.
- This is used to force out switch and PC relative relocations when
- relaxing. */
-
-int
-fr30_force_relocation (fix)
- fixS * fix;
-{
- if ( fix->fx_r_type == BFD_RELOC_VTABLE_INHERIT
- || fix->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
- return 1;
-
- return 0;
-}
\f
/* Write a value out to the object file, using the appropriate endianness. */
int prec;
LITTLENUM_TYPE words [MAX_LITTLENUMS];
char * t;
- char * atof_ieee ();
switch (type)
{
sizeof (LITTLENUM_TYPE));
litP += sizeof (LITTLENUM_TYPE);
}
-
+
return 0;
}
/* Worker function for fr30_is_colon_insn(). */
+static char restore_colon PARAMS ((int));
+
static char
restore_colon (advance_i_l_p_by)
int advance_i_l_p_by;
{
char c;
-
+
/* Restore the colon, and advance input_line_pointer to
the end of the new symbol. */
* input_line_pointer = ':';
input_line_pointer += advance_i_l_p_by;
c = * input_line_pointer;
* input_line_pointer = 0;
-
+
return c;
}
if (start [len] != 0)
continue;
-
+
while (len --)
- if (tolower (start [len]) != insn [len])
+ if (TOLOWER (start [len]) != insn [len])
break;
-
+
if (len == -1)
return restore_colon (1);
}
return 0;
}
-boolean
+bfd_boolean
fr30_fix_adjustable (fixP)
fixS * fixP;
{
- if (fixP->fx_addsy == NULL)
- return 1;
-
-#if 0
- /* Prevent all adjustments to global symbols. */
- if (S_IS_EXTERN (fixP->fx_addsy))
- return 0;
-
- if (S_IS_WEAK (fixP->fx_addsy))
- return 0;
-#endif
-
/* We need the symbol name for the VTABLE entries */
- if ( fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
+ if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
return 0;
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