/* tc-fr30.c -- Assembler for the Fujitsu FR30.
- Copyright 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright (C) 1998-2019 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,
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. */
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor,
+ Boston, MA 02110-1301, USA. */
-#include <stdio.h>
#include "as.h"
#include "safe-ctype.h"
#include "subsegs.h"
size_t md_longopts_size = sizeof (md_longopts);
int
-md_parse_option (c, arg)
- int c ATTRIBUTE_UNUSED;
- char *arg ATTRIBUTE_UNUSED;
+md_parse_option (int c ATTRIBUTE_UNUSED,
+ const char *arg ATTRIBUTE_UNUSED)
{
switch (c)
{
}
void
-md_show_usage (stream)
- FILE * stream;
+md_show_usage (FILE * stream)
{
fprintf (stream, _(" FR30 specific command line options:\n"));
}
\f
void
-md_begin ()
+md_begin (void)
{
/* Initialize the `cgen' interface. */
}
void
-md_assemble (str)
- char *str;
+md_assemble (char *str)
{
static int last_insn_had_delay_slot = 0;
fr30_insn insn;
if (!insn.insn)
{
- as_bad (errmsg);
+ as_bad ("%s", errmsg);
return;
}
We just ignore it. */
void
-md_operand (expressionP)
- expressionS * expressionP;
+md_operand (expressionS * expressionP)
{
if (* input_line_pointer == '#')
{
}
valueT
-md_section_align (segment, size)
- segT segment;
- valueT size;
+md_section_align (segT segment, valueT size)
{
int align = bfd_get_section_alignment (stdoutput, segment);
- return ((size + (1 << align) - 1) & (-1 << align));
+
+ return ((size + (1 << align) - 1) & -(1 << align));
}
symbolS *
-md_undefined_symbol (name)
- char *name ATTRIBUTE_UNUSED;
+md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
{
- return 0;
+ return NULL;
}
\f
/* Interface to relax_segment. */
0 value. */
int
-md_estimate_size_before_relax (fragP, segment)
- fragS * fragP;
- segT segment;
+md_estimate_size_before_relax (fragS * fragP, segT segment)
{
/* 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
fragP->fr_subtype is the subtype of what the address relaxed to. */
void
-md_convert_frag (abfd, sec, fragP)
- bfd *abfd ATTRIBUTE_UNUSED;
- segT sec ATTRIBUTE_UNUSED;
- fragS *fragP ATTRIBUTE_UNUSED;
+md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
+ segT sec ATTRIBUTE_UNUSED,
+ fragS *fragP ATTRIBUTE_UNUSED)
{
}
\f
given a PC relative reloc. */
long
-md_pcrel_from_section (fixP, sec)
- fixS * fixP;
- segT sec;
+md_pcrel_from_section (fixS * fixP, segT sec)
{
if (fixP->fx_addsy != (symbolS *) NULL
&& (! S_IS_DEFINED (fixP->fx_addsy)
|| S_GET_SEGMENT (fixP->fx_addsy) != sec))
- {
- /* The symbol is undefined (or is defined but not in this section).
- Let the linker figure it out. */
- return 0;
- }
+ /* The symbol is undefined (or is defined but not in this section).
+ Let the linker figure it out. */
+ return 0;
return (fixP->fx_frag->fr_address + fixP->fx_where) & ~1;
}
*FIXP may be modified if desired. */
bfd_reloc_code_real_type
-md_cgen_lookup_reloc (insn, operand, fixP)
- const CGEN_INSN *insn ATTRIBUTE_UNUSED;
- const CGEN_OPERAND *operand;
- fixS *fixP;
+md_cgen_lookup_reloc (const CGEN_INSN *insn ATTRIBUTE_UNUSED,
+ const CGEN_OPERAND *operand,
+ fixS *fixP)
{
switch (operand->type)
{
case FR30_OPERAND_I8: return BFD_RELOC_8;
case FR30_OPERAND_I32: return BFD_RELOC_FR30_48;
case FR30_OPERAND_I20: return BFD_RELOC_FR30_20;
- default : /* avoid -Wall warning */
+ default : /* Avoid -Wall warning. */
break;
}
/* Write a value out to the object file, using the appropriate endianness. */
void
-md_number_to_chars (buf, val, n)
- char * buf;
- valueT val;
- int n;
+md_number_to_chars (char * buf, valueT val, int n)
{
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 i;
- int prec;
- LITTLENUM_TYPE words [MAX_LITTLENUMS];
- 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);
-
- for (i = 0; i < prec; i++)
- {
- md_number_to_chars (litP, (valueT) words[i],
- sizeof (LITTLENUM_TYPE));
- litP += sizeof (LITTLENUM_TYPE);
- }
-
- return 0;
+ return ieee_md_atof (type, litP, sizeP, TRUE);
}
/* 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;
+static int
+restore_colon (char *next_i_l_p, char *nul_char)
{
- 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;
+ *input_line_pointer = *nul_char;
+ input_line_pointer = next_i_l_p;
+ *nul_char = *next_i_l_p;
+ *next_i_l_p = 0;
+ return 1;
}
/* Determines if the symbol starting at START and ending in
(but which has now been replaced bu a NUL) is in fact an
LDI:8, LDI:20, LDI:32, CALL:D. JMP:D, RET:D or Bcc:D instruction.
If it is, then it restores the colon, advances INPUT_LINE_POINTER
- to the real end of the instruction/symbol, and returns the character
- that really terminated the symbol. Otherwise it returns 0. */
-char
-fr30_is_colon_insn (start)
- char * start;
+ to the real end of the instruction/symbol, saves the char there to
+ NUL_CHAR and pokes a NUL, and returns 1. Otherwise it returns 0. */
+int
+fr30_is_colon_insn (char *start, char *nul_char)
{
char * i_l_p = input_line_pointer;
- /* Check to see if the symbol parsed so far is 'ldi' */
+ if (*nul_char == '"')
+ ++i_l_p;
+
+ /* Check to see if the symbol parsed so far is 'ldi'. */
if ( (start[0] != 'l' && start[0] != 'L')
|| (start[1] != 'd' && start[1] != 'D')
|| (start[2] != 'i' && start[2] != 'I')
{
/* Yup - it might be delay slot instruction. */
int i;
- static char * delay_insns [] =
+ static const char * delay_insns [] =
{
"call", "jmp", "ret", "bra", "bno",
"beq", "bne", "bc", "bnc", "bn",
for (i = sizeof (delay_insns) / sizeof (delay_insns[0]); i--;)
{
- char * insn = delay_insns[i];
+ const char * insn = delay_insns[i];
int len = strlen (insn);
if (start [len] != 0)
break;
if (len == -1)
- return restore_colon (1);
+ return restore_colon (i_l_p + 1, nul_char);
}
}
return 0;
}
- /* Check to see if the text following the colon is '8' */
+ /* Check to see if the text following the colon is '8'. */
if (i_l_p[1] == '8' && (i_l_p[2] == ' ' || i_l_p[2] == '\t'))
- return restore_colon (2);
+ return restore_colon (i_l_p + 2, nul_char);
- /* Check to see if the text following the colon is '20' */
- else if (i_l_p[1] == '2' && i_l_p[2] =='0' && (i_l_p[3] == ' ' || i_l_p[3] == '\t'))
- return restore_colon (3);
+ /* Check to see if the text following the colon is '20'. */
+ else if (i_l_p[1] == '2' && i_l_p[2] =='0'
+ && (i_l_p[3] == ' ' || i_l_p[3] == '\t'))
+ return restore_colon (i_l_p + 3, nul_char);
- /* Check to see if the text following the colon is '32' */
- else if (i_l_p[1] == '3' && i_l_p[2] =='2' && (i_l_p[3] == ' ' || i_l_p[3] == '\t'))
- return restore_colon (3);
+ /* Check to see if the text following the colon is '32'. */
+ else if (i_l_p[1] == '3' && i_l_p[2] =='2'
+ && (i_l_p[3] == ' ' || i_l_p[3] == '\t'))
+ return restore_colon (i_l_p + 3, nul_char);
return 0;
}
bfd_boolean
-fr30_fix_adjustable (fixP)
- fixS * fixP;
+fr30_fix_adjustable (fixS * fixP)
{
- /* We need the symbol name for the VTABLE entries */
+ /* 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;
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