/* tc-a29k.c -- Assemble for the AMD 29000.
- Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 1998
+ Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1998, 2000, 2001, 2002
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
to convert it to new machines' assemblers as desired. There was too
much bloody rewriting required before. There still probably is. */
-#include <ctype.h>
#include "as.h"
+#include "safe-ctype.h"
#include "opcode/a29k.h"
static void s_data1 PARAMS ((void));
static void s_use PARAMS ((int));
#endif
+static void insert_sreg PARAMS ((char *, int));
+static void define_some_regs PARAMS ((void));
+static char *parse_operand PARAMS ((char *, expressionS *, int));
const pseudo_typeS
md_pseudo_table[] =
.line and .file directives will appear in the pre-processed output */
/* Note that input_file.c hand checks for '#' at the beginning of the
first line of the input file. This is because the compiler outputs
- #NO_APP at the beginning of its output. */
+ #NO_APP at the beginning of its output. */
/* Also note that comments like this one will always work */
const char line_comment_chars[] = "#";
return;
}
/* Literals can't go in the text segment because you can't read from
- instruction memory on some 29k's. So, into initialized data. */
+ instruction memory on some 29k's. So, into initialized data. */
if (strncmp (input_line_pointer, ".lit", 4) == 0)
{
input_line_pointer += 4;
symbol_table_insert (symbol_new (regname, SEG_REGISTER, (valueT) regnum,
&zero_address_frag));
for (i = 0; regname[i]; i++)
- buf[i] = islower (regname[i]) ? toupper (regname[i]) : regname[i];
+ buf[i] = TOUPPER (regname[i]);
buf[i] = '\0';
symbol_table_insert (symbol_new (buf, SEG_REGISTER, (valueT) regnum,
/* Install symbol definitions for assorted special registers.
See ASM29K Ref page 2-9. */
-void
+static void
define_some_regs ()
{
#define SREG 256
}
/* Hack to avoid multiple opcode entries. We pre-locate all the
- variations (b/i field and P/A field) and handle them. */
+ variations (b/i field and P/A field) and handle them. */
if (!strcmp (name, machine_opcodes[i + 1].name))
{
}
}
-char *
+static char *
parse_operand (s, operandp, opt)
char *s;
expressionS *operandp;
/* Must handle `div0' opcode. */
s = str;
- if (isalpha (*s))
- for (; isalnum (*s); ++s)
- if (isupper (*s))
- *s = tolower (*s);
+ if (ISALPHA (*s))
+ for (; ISALNUM (*s); ++s)
+ *s = TOLOWER (*s);
switch (*s)
{
/* Build the opcode, checking as we go to make sure that the
operands match.
-
+
If an operand matches, we modify the_insn or opcode appropriately,
and do a "continue". If an operand fails to match, we "break". */
case '\0': /* end of args */
if (*s == '\0')
{
- /* We are truly done. */
+ /* We are truly done. */
the_insn.opcode = opcode;
return;
}
}
break;
-
case 'f': /* FS bits of CONVERT */
if (operand->X_op == O_constant &&
operand->X_add_number < 4)
}
void
-md_apply_fix (fixP, val)
+md_apply_fix3 (fixP, valP, seg)
fixS *fixP;
- long val;
+ valueT * valP;
+ segT seg ATTRIBUTE_UNUSED;
{
+ long val = *valP;
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
- fixP->fx_addnumber = val; /* Remember value for emit_reloc */
-
+ fixP->fx_addnumber = val; /* Remember value for emit_reloc. */
know (fixP->fx_size == 4);
know (fixP->fx_r_type < NO_RELOC);
/* This is a hack. There should be a better way to handle this. */
if (fixP->fx_r_type == RELOC_WDISP30 && fixP->fx_addsy)
- {
- val += fixP->fx_where + fixP->fx_frag->fr_address;
- }
+ val += fixP->fx_where + fixP->fx_frag->fr_address;
switch (fixP->fx_r_type)
{
-
case RELOC_32:
buf[0] = val >> 24;
buf[1] = val >> 16;
break;
case RELOC_WDISP30:
- val = (val >>= 2) + 1;
+ val = (val >> 2) + 1;
buf[0] |= (val >> 24) & 0x3f;
buf[1] = (val >> 16);
buf[2] = val >> 8;
break;
case RELOC_WDISP22:
- val = (val >>= 2) + 1;
+ val = (val >> 2) + 1;
/* FALLTHROUGH */
case RELOC_BASE22:
buf[1] |= (val >> 16) & 0x3f;
else if (fixP->fx_pcrel)
{
long v = val >> 17;
+
if (v != 0 && v != -1)
as_bad_where (fixP->fx_file, fixP->fx_line,
"call/jmp target out of range");
}
else
- /* this case was supposed to be handled in machine_ip */
+ /* This case was supposed to be handled in machine_ip. */
abort ();
buf[1] = val >> 10; /* Holds bits 0003FFFC of address */
buf[3] = val >> 2;
as_bad (_("bad relocation type: 0x%02x"), fixP->fx_r_type);
break;
}
+
+ if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
+ fixP->fx_done = 1;
}
#ifdef OBJ_COFF
/* should never be called for 29k */
void
md_convert_frag (headers, seg, fragP)
- object_headers *headers;
- segT seg;
- register fragS *fragP;
+ object_headers *headers ATTRIBUTE_UNUSED;
+ segT seg ATTRIBUTE_UNUSED;
+ register fragS *fragP ATTRIBUTE_UNUSED;
{
as_fatal (_("a29k_convert_frag\n"));
}
/* should never be called for a29k */
int
md_estimate_size_before_relax (fragP, segtype)
- register fragS *fragP;
- segT segtype;
+ register fragS *fragP ATTRIBUTE_UNUSED;
+ segT segtype ATTRIBUTE_UNUSED;
{
as_fatal (_("a29k_estimate_size_before_relax\n"));
return 0;
On sparc/29k: first 4 bytes are normal unsigned long address, next three
bytes are index, most sig. byte first. Byte 7 is broken up with
bit 7 as external, bits 6 & 5 unused, and the lower
- five bits as relocation type. Next 4 bytes are long addend. */
+ five bits as relocation type. Next 4 bytes are long addend. */
/* Thanx and a tip of the hat to Michael Bloom, mb@ttidca.tti.com */
#ifdef OBJ_AOUT
#endif /* OBJ_AOUT */
\f
-CONST char *md_shortopts = "";
+const char *md_shortopts = "";
struct option md_longopts[] = {
{NULL, no_argument, NULL, 0}
};
-size_t md_longopts_size = sizeof(md_longopts);
+size_t md_longopts_size = sizeof (md_longopts);
int
md_parse_option (c, arg)
- int c;
- char *arg;
+ int c ATTRIBUTE_UNUSED;
+ char *arg ATTRIBUTE_UNUSED;
{
return 0;
}
void
md_show_usage (stream)
- FILE *stream;
+ FILE *stream ATTRIBUTE_UNUSED;
{
}
\f
char *s;
if (c != '$'
- || ! isdigit ((unsigned char) input_line_pointer[0]))
+ || ! ISDIGIT (input_line_pointer[0]))
return 0;
s = input_line_pointer;
lab = 0;
- while (isdigit ((unsigned char) *s))
+ while (ISDIGIT (*s))
{
lab = lab * 10 + *s - '0';
++s;
long maxreg;
/* Parse the number, make sure it has no extra zeroes or
- trailing chars. */
+ trailing chars. */
regnum = atol (&name[2]);
if (name[0] == 's' || name[0] == 'S')
expressionP->X_op = O_constant;
}
else if (input_line_pointer[0] == '$'
- && isdigit ((unsigned char) input_line_pointer[1]))
+ && ISDIGIT (input_line_pointer[1]))
{
long lab;
char *name;
type = 'x';
fieldlimit = 4;
}
- else
+ else
{
return;
}
- if (isdigit (*s))
+ if (ISDIGIT (*s))
{
fieldnum = *s - '0';
++s;
SKIP_WHITESPACE ();
input_line_pointer = s;
- expressionP->X_op = O_constant;
+ expressionP->X_op = O_constant;
expressionP->X_unsigned = 1;
expressionP->X_add_number = ((floatbuf[fieldnum * 2]
<< LITTLENUM_NUMBER_OF_BITS)
/* Round up a section size to the appropriate boundary. */
valueT
md_section_align (segment, size)
- segT segment;
+ segT segment ATTRIBUTE_UNUSED;
valueT size;
{
return size; /* Byte alignment is fine */
{
return fixP->fx_where + fixP->fx_frag->fr_address;
}
-
-/* end of tc-a29k.c */
projects / deliverable / binutils-gdb.git / blobdiff