2002-01-31 18:33:08 +01:00
|
|
|
|
/* Assembly backend for the OpenRISC 1000.
|
2005-03-03 12:52:12 +01:00
|
|
|
|
Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
|
2002-01-31 18:33:08 +01:00
|
|
|
|
Contributed by Damjan Lampret <lampret@opencores.org>.
|
|
|
|
|
Modified bu Johan Rydberg, <johan.rydberg@netinsight.se>.
|
|
|
|
|
Based upon a29k port.
|
|
|
|
|
|
|
|
|
|
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)
|
|
|
|
|
any later version.
|
|
|
|
|
|
|
|
|
|
GAS is distributed in the hope that it will be useful,
|
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
|
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
|
2005-05-05 11:13:19 +02:00
|
|
|
|
the Free Software Foundation, 51 Franklin Street - Fifth Floor,
|
|
|
|
|
Boston, MA 02110-1301, USA. */
|
2002-01-31 18:33:08 +01:00
|
|
|
|
|
|
|
|
|
/* tc-a29k.c used as a template. */
|
|
|
|
|
|
|
|
|
|
#include "safe-ctype.h"
|
|
|
|
|
#include "as.h"
|
|
|
|
|
#include "opcode/or32.h"
|
|
|
|
|
|
|
|
|
|
#ifdef BFD_ASSEMBLER
|
2002-05-11 11:53:52 +02:00
|
|
|
|
#include "elf/or32.h"
|
2002-01-31 18:33:08 +01:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#define DEBUG 0
|
|
|
|
|
|
|
|
|
|
#ifndef REGISTER_PREFIX
|
|
|
|
|
#define REGISTER_PREFIX '%'
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Make it easier to clone this machine desc into another one. */
|
|
|
|
|
#define machine_opcode or32_opcode
|
|
|
|
|
#define machine_opcodes or32_opcodes
|
|
|
|
|
#define machine_ip or32_ip
|
|
|
|
|
#define machine_it or32_it
|
|
|
|
|
|
|
|
|
|
/* Handle of the OPCODE hash table. */
|
|
|
|
|
static struct hash_control *op_hash = NULL;
|
|
|
|
|
|
|
|
|
|
struct machine_it
|
2005-03-24 21:40:28 +01:00
|
|
|
|
{
|
|
|
|
|
char * error;
|
|
|
|
|
unsigned long opcode;
|
|
|
|
|
struct nlist * nlistp;
|
|
|
|
|
expressionS exp;
|
|
|
|
|
int pcrel;
|
|
|
|
|
int reloc_offset; /* Offset of reloc within insn. */
|
|
|
|
|
int reloc;
|
|
|
|
|
}
|
2002-01-31 18:33:08 +01:00
|
|
|
|
the_insn;
|
|
|
|
|
|
|
|
|
|
const pseudo_typeS md_pseudo_table[] =
|
2005-03-24 21:40:28 +01:00
|
|
|
|
{
|
|
|
|
|
{"align", s_align_bytes, 4 },
|
|
|
|
|
{"space", s_space, 0 },
|
|
|
|
|
{"cputype", s_ignore, 0 },
|
|
|
|
|
{"reg", s_lsym, 0 }, /* Register equate, same as equ. */
|
|
|
|
|
{"sect", s_ignore, 0 }, /* Creation of coff sections. */
|
|
|
|
|
{"proc", s_ignore, 0 }, /* Start of a function. */
|
|
|
|
|
{"endproc", s_ignore, 0 }, /* Function end. */
|
|
|
|
|
{"word", cons, 4 },
|
|
|
|
|
{NULL, 0, 0 },
|
|
|
|
|
};
|
2002-01-31 18:33:08 +01:00
|
|
|
|
|
|
|
|
|
int md_short_jump_size = 4;
|
|
|
|
|
int md_long_jump_size = 4;
|
|
|
|
|
|
|
|
|
|
#if defined(BFD_HEADERS)
|
|
|
|
|
#ifdef RELSZ
|
|
|
|
|
const int md_reloc_size = RELSZ; /* Coff headers. */
|
|
|
|
|
#else
|
|
|
|
|
const int md_reloc_size = 12; /* Something else headers. */
|
|
|
|
|
#endif
|
|
|
|
|
#else
|
|
|
|
|
const int md_reloc_size = 12; /* Not bfdized. */
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* This array holds the chars that always start a comment.
|
|
|
|
|
If the pre-processor is disabled, these aren't very useful. */
|
|
|
|
|
const char comment_chars[] = "#";
|
|
|
|
|
|
|
|
|
|
/* This array holds the chars that only start a comment at the beginning of
|
|
|
|
|
a line. If the line seems to have the form '# 123 filename'
|
|
|
|
|
.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. */
|
|
|
|
|
/* Also note that comments like this one will always work. */
|
|
|
|
|
const char line_comment_chars[] = "#";
|
|
|
|
|
|
|
|
|
|
/* We needed an unused char for line separation to work around the
|
|
|
|
|
lack of macros, using sed and such. */
|
|
|
|
|
const char line_separator_chars[] = ";";
|
|
|
|
|
|
|
|
|
|
/* Chars that can be used to separate mant from exp in floating point nums. */
|
|
|
|
|
const char EXP_CHARS[] = "eE";
|
|
|
|
|
|
|
|
|
|
/* Chars that mean this number is a floating point constant.
|
|
|
|
|
As in 0f12.456
|
|
|
|
|
or 0d1.2345e12. */
|
|
|
|
|
const char FLT_CHARS[] = "rRsSfFdDxXpP";
|
|
|
|
|
|
|
|
|
|
/* "l.jalr r9" precalculated opcode. */
|
|
|
|
|
static unsigned long jalr_r9_opcode;
|
|
|
|
|
|
2005-03-24 21:40:28 +01:00
|
|
|
|
static void machine_ip (char *);
|
2002-01-31 18:33:08 +01:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Set bits in machine opcode according to insn->encoding
|
2002-05-11 11:53:52 +02:00
|
|
|
|
description and passed operand. */
|
2002-01-31 18:33:08 +01:00
|
|
|
|
|
2002-05-11 11:53:52 +02:00
|
|
|
|
static void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
encode (const struct machine_opcode *insn,
|
|
|
|
|
unsigned long *opcode,
|
|
|
|
|
signed long param_val,
|
|
|
|
|
char param_ch)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
int opc_pos = 0;
|
|
|
|
|
int param_pos = 0;
|
|
|
|
|
char *enc;
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" encode: opcode=%.8lx param_val=%.8lx abs=%.8lx param_ch=%c\n",
|
|
|
|
|
*opcode, param_val, abs (param_val), param_ch);
|
|
|
|
|
#endif
|
|
|
|
|
for (enc = insn->encoding; *enc != '\0'; enc++)
|
|
|
|
|
if (*enc == param_ch)
|
|
|
|
|
{
|
|
|
|
|
if (enc - 2 >= insn->encoding && (*(enc - 2) == '0') && (*(enc - 1) == 'x'))
|
|
|
|
|
continue;
|
|
|
|
|
else
|
|
|
|
|
param_pos ++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
opc_pos = 32;
|
|
|
|
|
|
|
|
|
|
for (enc = insn->encoding; *enc != '\0';)
|
|
|
|
|
{
|
2002-05-11 11:53:52 +02:00
|
|
|
|
if ((*enc == '0') && (*(enc + 1) == 'x'))
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
int tmp = strtol (enc, NULL, 16);
|
|
|
|
|
|
|
|
|
|
opc_pos -= 4;
|
|
|
|
|
*opcode |= tmp << opc_pos;
|
|
|
|
|
enc += 3;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
else if ((*enc == '0') || (*enc == '-'))
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
opc_pos--;
|
|
|
|
|
enc++;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
else if (*enc == '1')
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
opc_pos--;
|
|
|
|
|
*opcode |= 1 << opc_pos;
|
|
|
|
|
enc++;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
else if (*enc == param_ch)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
opc_pos--;
|
|
|
|
|
param_pos--;
|
|
|
|
|
*opcode |= ((param_val >> param_pos) & 0x1) << opc_pos;
|
|
|
|
|
enc++;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
else if (ISALPHA (*enc))
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
opc_pos--;
|
|
|
|
|
enc++;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
enc++;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" opcode=%.8lx\n", *opcode);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This function is called once, at assembler startup time. It should
|
|
|
|
|
set up all the tables, etc., that the MD part of the assembler will
|
|
|
|
|
need. */
|
|
|
|
|
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_begin (void)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
const char *retval = NULL;
|
|
|
|
|
int lose = 0;
|
|
|
|
|
int skipnext = 0;
|
|
|
|
|
unsigned int i;
|
|
|
|
|
|
|
|
|
|
/* Hash up all the opcodes for fast use later. */
|
|
|
|
|
op_hash = hash_new ();
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < or32_num_opcodes; i++)
|
|
|
|
|
{
|
|
|
|
|
const char *name = machine_opcodes[i].name;
|
|
|
|
|
|
|
|
|
|
if (skipnext)
|
|
|
|
|
{
|
|
|
|
|
skipnext = 0;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
2005-03-24 21:40:28 +01:00
|
|
|
|
retval = hash_insert (op_hash, name, (void *) &machine_opcodes[i]);
|
2002-01-31 18:33:08 +01:00
|
|
|
|
if (retval != NULL)
|
|
|
|
|
{
|
|
|
|
|
fprintf (stderr, "internal error: can't hash `%s': %s\n",
|
|
|
|
|
machine_opcodes[i].name, retval);
|
|
|
|
|
lose = 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (lose)
|
|
|
|
|
as_fatal (_("Broken assembler. No assembly attempted."));
|
|
|
|
|
|
|
|
|
|
encode (&machine_opcodes[insn_index ("l.jalr")], &jalr_r9_opcode, 9, 'B');
|
|
|
|
|
}
|
|
|
|
|
|
2003-11-22 03:35:31 +01:00
|
|
|
|
/* Returns non zero if instruction is to be used. */
|
2002-01-31 18:33:08 +01:00
|
|
|
|
|
|
|
|
|
static int
|
2005-03-24 21:40:28 +01:00
|
|
|
|
check_invalid_opcode (unsigned long opcode)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
return opcode == jalr_r9_opcode;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Assemble a single instruction. Its label has already been handled
|
|
|
|
|
by the generic front end. We just parse opcode and operands, and
|
|
|
|
|
produce the bytes of data and relocation. */
|
|
|
|
|
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_assemble (char *str)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
char *toP;
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("NEW INSTRUCTION\n");
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
know (str);
|
|
|
|
|
machine_ip (str);
|
|
|
|
|
toP = frag_more (4);
|
|
|
|
|
|
|
|
|
|
/* Put out the opcode. */
|
|
|
|
|
md_number_to_chars (toP, the_insn.opcode, 4);
|
|
|
|
|
|
|
|
|
|
/* Put out the symbol-dependent stuff. */
|
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
|
|
|
if (the_insn.reloc != BFD_RELOC_NONE)
|
|
|
|
|
#else
|
|
|
|
|
if (the_insn.reloc != NO_RELOC)
|
|
|
|
|
#endif
|
|
|
|
|
{
|
|
|
|
|
fix_new_exp (frag_now,
|
|
|
|
|
(toP - frag_now->fr_literal + the_insn.reloc_offset),
|
|
|
|
|
4, /* size */
|
|
|
|
|
&the_insn.exp,
|
|
|
|
|
the_insn.pcrel,
|
|
|
|
|
the_insn.reloc);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is true of the we have issued a "lo(" or "hi"(. */
|
|
|
|
|
static int waiting_for_shift = 0;
|
|
|
|
|
|
|
|
|
|
static int mask_or_shift = 0;
|
|
|
|
|
|
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
|
|
|
static char *
|
2005-03-24 21:40:28 +01:00
|
|
|
|
parse_operand (char *s, expressionS *operandp, int opt)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
char *save = input_line_pointer;
|
|
|
|
|
char *new;
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" PROCESS NEW OPERAND(%s) == %c (%d)\n", s, opt ? opt : '!', opt);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
input_line_pointer = s;
|
|
|
|
|
|
|
|
|
|
if (strncasecmp (s, "HI(", 3) == 0)
|
|
|
|
|
{
|
|
|
|
|
waiting_for_shift = 1;
|
|
|
|
|
mask_or_shift = BFD_RELOC_HI16;
|
|
|
|
|
|
|
|
|
|
input_line_pointer += 3;
|
|
|
|
|
}
|
|
|
|
|
else if (strncasecmp (s, "LO(", 3) == 0)
|
|
|
|
|
{
|
|
|
|
|
mask_or_shift = BFD_RELOC_LO16;
|
|
|
|
|
|
|
|
|
|
input_line_pointer += 3;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
mask_or_shift = 0;
|
|
|
|
|
|
|
|
|
|
if ((*s == '(') && (*(s+1) == 'r'))
|
|
|
|
|
s++;
|
|
|
|
|
|
2002-05-11 11:53:52 +02:00
|
|
|
|
if ((*s == 'r') && ISDIGIT (*(s + 1)))
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
operandp->X_add_number = strtol (s + 1, NULL, 10);
|
|
|
|
|
operandp->X_op = O_register;
|
|
|
|
|
for (; (*s != ',') && (*s != '\0');)
|
2002-05-11 11:53:52 +02:00
|
|
|
|
s++;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
input_line_pointer = save;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
return s;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
expression (operandp);
|
|
|
|
|
|
|
|
|
|
if (operandp->X_op == O_absent)
|
|
|
|
|
{
|
|
|
|
|
if (! opt)
|
|
|
|
|
as_bad (_("missing operand"));
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
operandp->X_add_number = 0;
|
|
|
|
|
operandp->X_op = O_constant;
|
|
|
|
|
}
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
new = input_line_pointer;
|
|
|
|
|
input_line_pointer = save;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" %s=parse_operand(%s): operandp->X_op = %u\n", new, s, operandp->X_op);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
return new;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
|
2002-12-12 23:05:00 +01:00
|
|
|
|
static char *
|
2005-03-24 21:40:28 +01:00
|
|
|
|
parse_operand (char *s, expressionS *operandp, int opt)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
char *save = input_line_pointer;
|
|
|
|
|
char *new;
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" PROCESS NEW OPERAND(%s) == %c (%d)\n", s, opt ? opt : '!', opt);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
input_line_pointer = s;
|
|
|
|
|
|
|
|
|
|
if (strncasecmp (s, "HI(", 3) == 0)
|
|
|
|
|
{
|
|
|
|
|
waiting_for_shift = 1;
|
|
|
|
|
mask_or_shift = RELOC_CONSTH;
|
|
|
|
|
|
|
|
|
|
input_line_pointer += 3;
|
|
|
|
|
}
|
|
|
|
|
else if (strncasecmp (s, "LO(", 3) == 0)
|
|
|
|
|
{
|
|
|
|
|
mask_or_shift = RELOC_CONST;
|
|
|
|
|
|
|
|
|
|
input_line_pointer += 3;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
mask_or_shift = 0;
|
|
|
|
|
|
|
|
|
|
expression (operandp);
|
|
|
|
|
|
|
|
|
|
if (operandp->X_op == O_absent)
|
|
|
|
|
{
|
|
|
|
|
if (! opt)
|
|
|
|
|
as_bad (_("missing operand"));
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
operandp->X_add_number = 0;
|
|
|
|
|
operandp->X_op = O_constant;
|
|
|
|
|
}
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
new = input_line_pointer;
|
|
|
|
|
input_line_pointer = save;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
|
|
|
|
if ((operandp->X_op == O_symbol) && (*s != '_'))
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("symbol: '%s'\n", save);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
for (save = s; s < new; s++)
|
|
|
|
|
if ((*s == REGISTER_PREFIX) && (*(s + 1) == 'r')) /* Register prefix. */
|
|
|
|
|
s++;
|
|
|
|
|
|
2002-05-11 11:53:52 +02:00
|
|
|
|
if ((*s == 'r') && ISDIGIT (*(s + 1)))
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
operandp->X_add_number = strtol (s + 1, NULL, 10);
|
|
|
|
|
operandp->X_op = O_register;
|
|
|
|
|
}
|
|
|
|
|
s = save;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" %s=parse_operand(%s): operandp->X_op = %u\n", new, s, operandp->X_op);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
return new;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Instruction parsing. Takes a string containing the opcode.
|
|
|
|
|
Operands are at input_line_pointer. Output is in the_insn.
|
|
|
|
|
Warnings or errors are generated. */
|
|
|
|
|
|
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
|
|
|
static void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
machine_ip (char *str)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
char *s;
|
|
|
|
|
const char *args;
|
|
|
|
|
const struct machine_opcode *insn;
|
|
|
|
|
char *argsStart;
|
|
|
|
|
unsigned long opcode;
|
|
|
|
|
expressionS the_operand;
|
|
|
|
|
expressionS *operand = &the_operand;
|
|
|
|
|
unsigned int regno;
|
|
|
|
|
int reloc = BFD_RELOC_NONE;
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("machine_ip(%s)\n", str);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
s = str;
|
|
|
|
|
for (; ISALNUM (*s) || *s == '.'; ++s)
|
|
|
|
|
if (ISUPPER (*s))
|
|
|
|
|
*s = TOLOWER (*s);
|
|
|
|
|
|
|
|
|
|
switch (*s)
|
|
|
|
|
{
|
|
|
|
|
case '\0':
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ' ': /* FIXME-SOMEDAY more whitespace. */
|
|
|
|
|
*s++ = '\0';
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
as_bad (_("unknown opcode1: `%s'"), str);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ((insn = (struct machine_opcode *) hash_find (op_hash, str)) == NULL)
|
|
|
|
|
{
|
|
|
|
|
as_bad (_("unknown opcode2 `%s'."), str);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
argsStart = s;
|
|
|
|
|
opcode = 0;
|
|
|
|
|
memset (&the_insn, '\0', sizeof (the_insn));
|
|
|
|
|
the_insn.reloc = BFD_RELOC_NONE;
|
|
|
|
|
|
|
|
|
|
reloc = BFD_RELOC_NONE;
|
|
|
|
|
|
|
|
|
|
/* Build the opcode, checking as we go to make sure that the
|
|
|
|
|
operands match.
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
If an operand matches, we modify the_insn or opcode appropriately,
|
|
|
|
|
and do a "continue". If an operand fails to match, we "break". */
|
|
|
|
|
if (insn->args[0] != '\0')
|
2005-03-24 21:40:28 +01:00
|
|
|
|
/* Prime the pump. */
|
|
|
|
|
s = parse_operand (s, operand, insn->args[0] == 'I');
|
2002-01-31 18:33:08 +01:00
|
|
|
|
|
|
|
|
|
for (args = insn->args;; ++args)
|
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" args = %s\n", args);
|
|
|
|
|
#endif
|
|
|
|
|
switch (*args)
|
|
|
|
|
{
|
|
|
|
|
case '\0': /* End of args. */
|
|
|
|
|
/* We have have 0 args, do the bazoooka! */
|
|
|
|
|
if (args == insn->args)
|
|
|
|
|
encode (insn, &opcode, 0, 0);
|
|
|
|
|
|
|
|
|
|
if (*s == '\0')
|
|
|
|
|
{
|
|
|
|
|
/* We are truly done. */
|
|
|
|
|
the_insn.opcode = opcode;
|
|
|
|
|
if (check_invalid_opcode (opcode))
|
2002-05-11 11:53:52 +02:00
|
|
|
|
as_bad (_("instruction not allowed: %s"), str);
|
2002-01-31 18:33:08 +01:00
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
as_bad (_("too many operands: %s"), s);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ',': /* Must match a comma. */
|
|
|
|
|
if (*s++ == ',')
|
|
|
|
|
{
|
|
|
|
|
reloc = BFD_RELOC_NONE;
|
|
|
|
|
|
|
|
|
|
/* Parse next operand. */
|
|
|
|
|
s = parse_operand (s, operand, args[1] == 'I');
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" ',' case: operand->X_add_number = %d, *args = %s, *s = %s\n",
|
|
|
|
|
operand->X_add_number, args, s);
|
2002-05-11 11:53:52 +02:00
|
|
|
|
#endif
|
2002-01-31 18:33:08 +01:00
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case '(': /* Must match a (. */
|
|
|
|
|
s = parse_operand (s, operand, args[1] == 'I');
|
|
|
|
|
continue;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
case ')': /* Must match a ). */
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
case 'r': /* A general register. */
|
|
|
|
|
args++;
|
|
|
|
|
|
|
|
|
|
if (operand->X_op != O_register)
|
|
|
|
|
break; /* Only registers. */
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
know (operand->X_add_symbol == 0);
|
|
|
|
|
know (operand->X_op_symbol == 0);
|
|
|
|
|
regno = operand->X_add_number;
|
|
|
|
|
encode (insn, &opcode, regno, *args);
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" r: operand->X_op = %d\n", operand->X_op);
|
|
|
|
|
#endif
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
/* if (! ISALPHA (*args))
|
|
|
|
|
break; */ /* Only immediate values. */
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
if (mask_or_shift)
|
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("mask_or_shift = %d\n", mask_or_shift);
|
|
|
|
|
#endif
|
|
|
|
|
reloc = mask_or_shift;
|
|
|
|
|
}
|
|
|
|
|
mask_or_shift = 0;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
|
|
|
|
if (strncasecmp (args, "LO(", 3) == 0)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_const\n");
|
|
|
|
|
#endif
|
|
|
|
|
reloc = BFD_RELOC_LO16;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
else if (strncasecmp (args, "HI(", 3) == 0)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_consth\n");
|
|
|
|
|
#endif
|
|
|
|
|
reloc = BFD_RELOC_HI16;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
|
|
|
|
if (*s == '(')
|
2005-03-24 21:40:28 +01:00
|
|
|
|
operand->X_op = O_constant;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
else if (*s == ')')
|
|
|
|
|
s += 1;
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" default case: operand->X_add_number = %d, *args = %s, *s = %s\n", operand->X_add_number, args, s);
|
|
|
|
|
#endif
|
|
|
|
|
if (operand->X_op == O_constant)
|
|
|
|
|
{
|
|
|
|
|
if (reloc == BFD_RELOC_NONE)
|
|
|
|
|
{
|
|
|
|
|
bfd_vma v, mask;
|
|
|
|
|
|
|
|
|
|
mask = 0x3ffffff;
|
|
|
|
|
v = abs (operand->X_add_number) & ~ mask;
|
|
|
|
|
if (v)
|
|
|
|
|
as_bad (_("call/jmp target out of range (1)"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (reloc == BFD_RELOC_HI16)
|
|
|
|
|
operand->X_add_number = ((operand->X_add_number >> 16) & 0xffff);
|
|
|
|
|
|
|
|
|
|
the_insn.pcrel = 0;
|
|
|
|
|
encode (insn, &opcode, operand->X_add_number, *args);
|
|
|
|
|
/* the_insn.reloc = BFD_RELOC_NONE; */
|
2002-05-11 11:53:52 +02:00
|
|
|
|
continue;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (reloc == BFD_RELOC_NONE)
|
|
|
|
|
the_insn.reloc = BFD_RELOC_32_GOT_PCREL;
|
|
|
|
|
else
|
|
|
|
|
the_insn.reloc = reloc;
|
|
|
|
|
|
|
|
|
|
/* the_insn.reloc = insn->reloc; */
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" reloc sym=%d\n", the_insn.reloc);
|
|
|
|
|
printf (" BFD_RELOC_NONE=%d\n", BFD_RELOC_NONE);
|
|
|
|
|
#endif
|
|
|
|
|
the_insn.exp = *operand;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
/* the_insn.reloc_offset = 1; */
|
|
|
|
|
the_insn.pcrel = 1; /* Assume PC-relative jump. */
|
|
|
|
|
|
|
|
|
|
/* FIXME-SOON, Do we figure out whether abs later, after
|
|
|
|
|
know sym val? */
|
|
|
|
|
if (reloc == BFD_RELOC_LO16 || reloc == BFD_RELOC_HI16)
|
|
|
|
|
the_insn.pcrel = 0;
|
|
|
|
|
|
|
|
|
|
encode (insn, &opcode, operand->X_add_number, *args);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
/* Types or values of args don't match. */
|
|
|
|
|
as_bad (_("invalid operands"));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
|
|
static void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
machine_ip (char *str)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
char *s;
|
|
|
|
|
const char *args;
|
|
|
|
|
const struct machine_opcode *insn;
|
|
|
|
|
char *argsStart;
|
|
|
|
|
unsigned long opcode;
|
|
|
|
|
expressionS the_operand;
|
|
|
|
|
expressionS *operand = &the_operand;
|
|
|
|
|
unsigned int regno;
|
|
|
|
|
int reloc = NO_RELOC;
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("machine_ip(%s)\n", str);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
s = str;
|
|
|
|
|
for (; ISALNUM (*s) || *s == '.'; ++s)
|
|
|
|
|
if (ISUPPER (*s))
|
|
|
|
|
*s = TOLOWER (*s);
|
|
|
|
|
|
|
|
|
|
switch (*s)
|
|
|
|
|
{
|
|
|
|
|
case '\0':
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ' ': /* FIXME-SOMEDAY more whitespace. */
|
|
|
|
|
*s++ = '\0';
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
as_bad (_("unknown opcode1: `%s'"), str);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ((insn = (struct machine_opcode *) hash_find (op_hash, str)) == NULL)
|
|
|
|
|
{
|
|
|
|
|
as_bad (_("unknown opcode2 `%s'."), str);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
argsStart = s;
|
|
|
|
|
opcode = 0;
|
|
|
|
|
memset (&the_insn, '\0', sizeof (the_insn));
|
|
|
|
|
the_insn.reloc = NO_RELOC;
|
|
|
|
|
|
|
|
|
|
reloc = NO_RELOC;
|
|
|
|
|
|
|
|
|
|
/* Build the opcode, checking as we go to make sure that the
|
|
|
|
|
operands match.
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
If an operand matches, we modify the_insn or opcode appropriately,
|
|
|
|
|
and do a "continue". If an operand fails to match, we "break". */
|
|
|
|
|
if (insn->args[0] != '\0')
|
2002-05-11 11:53:52 +02:00
|
|
|
|
/* Prime the pump. */
|
2002-01-31 18:33:08 +01:00
|
|
|
|
s = parse_operand (s, operand,
|
|
|
|
|
insn->args[0] == 'I'
|
|
|
|
|
|| strcmp (insn->name, "l.nop") == 0);
|
|
|
|
|
|
|
|
|
|
for (args = insn->args;; ++args)
|
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" args = %s\n", args);
|
|
|
|
|
#endif
|
|
|
|
|
switch (*args)
|
|
|
|
|
{
|
|
|
|
|
case '\0': /* End of args. */
|
|
|
|
|
/* We have have 0 args, do the bazoooka! */
|
|
|
|
|
if (args == insn->args)
|
|
|
|
|
encode (insn, &opcode, 0, 0);
|
|
|
|
|
|
|
|
|
|
if (*s == '\0')
|
|
|
|
|
{
|
|
|
|
|
/* We are truly done. */
|
|
|
|
|
the_insn.opcode = opcode;
|
|
|
|
|
if (check_invalid_opcode (opcode))
|
2002-05-11 11:53:52 +02:00
|
|
|
|
as_bad (_("instruction not allowed: %s"), str);
|
2002-01-31 18:33:08 +01:00
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
as_bad (_("too many operands: %s"), s);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ',': /* Must match a comma. */
|
|
|
|
|
if (*s++ == ',')
|
|
|
|
|
{
|
|
|
|
|
reloc = NO_RELOC;
|
|
|
|
|
|
|
|
|
|
/* Parse next operand. */
|
|
|
|
|
s = parse_operand (s, operand, args[1] == 'I');
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" ',' case: operand->X_add_number = %d, *args = %s, *s = %s\n",
|
|
|
|
|
operand->X_add_number, args, s);
|
2002-05-11 11:53:52 +02:00
|
|
|
|
#endif
|
2002-01-31 18:33:08 +01:00
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case '(': /* Must match a (. */
|
|
|
|
|
s = parse_operand (s, operand, args[1] == 'I');
|
|
|
|
|
continue;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
case ')': /* Must match a ). */
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
case 'r': /* A general register. */
|
|
|
|
|
args++;
|
|
|
|
|
|
|
|
|
|
if (operand->X_op != O_register)
|
|
|
|
|
break; /* Only registers. */
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
know (operand->X_add_symbol == 0);
|
|
|
|
|
know (operand->X_op_symbol == 0);
|
|
|
|
|
regno = operand->X_add_number;
|
|
|
|
|
encode (insn, &opcode, regno, *args);
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" r: operand->X_op = %d\n", operand->X_op);
|
|
|
|
|
#endif
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
/* if (! ISALPHA (*args))
|
|
|
|
|
break; */ /* Only immediate values. */
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
if (mask_or_shift)
|
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("mask_or_shift = %d\n", mask_or_shift);
|
|
|
|
|
#endif
|
|
|
|
|
reloc = mask_or_shift;
|
|
|
|
|
}
|
|
|
|
|
mask_or_shift = 0;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
|
|
|
|
if (strncasecmp (args, "LO(", 3) == 0)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_const\n");
|
|
|
|
|
#endif
|
|
|
|
|
reloc = RELOC_CONST;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
else if (strncasecmp (args, "HI(", 3) == 0)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_consth\n");
|
|
|
|
|
#endif
|
|
|
|
|
reloc = RELOC_CONSTH;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
|
|
|
|
if (*s == '(')
|
2005-03-24 21:40:28 +01:00
|
|
|
|
operand->X_op = O_constant;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
else if (*s == ')')
|
|
|
|
|
s += 1;
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" default case: operand->X_add_number = %d, *args = %s, *s = %s\n",
|
|
|
|
|
operand->X_add_number, args, s);
|
|
|
|
|
#endif
|
|
|
|
|
if (operand->X_op == O_constant)
|
|
|
|
|
{
|
|
|
|
|
if (reloc == NO_RELOC)
|
|
|
|
|
{
|
|
|
|
|
unsigned long v, mask;
|
|
|
|
|
|
|
|
|
|
mask = 0x3ffffff;
|
|
|
|
|
v = abs (operand->X_add_number) & ~ mask;
|
|
|
|
|
if (v)
|
|
|
|
|
as_bad (_("call/jmp target out of range (1)"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (reloc == RELOC_CONSTH)
|
|
|
|
|
operand->X_add_number = ((operand->X_add_number>>16) & 0xffff);
|
|
|
|
|
|
|
|
|
|
the_insn.pcrel = 0;
|
|
|
|
|
encode (insn, &opcode, operand->X_add_number, *args);
|
|
|
|
|
/* the_insn.reloc = NO_RELOC; */
|
2002-05-11 11:53:52 +02:00
|
|
|
|
continue;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (reloc == NO_RELOC)
|
|
|
|
|
the_insn.reloc = RELOC_JUMPTARG;
|
|
|
|
|
else
|
|
|
|
|
the_insn.reloc = reloc;
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" reloc sym=%d\n", the_insn.reloc);
|
|
|
|
|
printf (" NO_RELOC=%d\n", NO_RELOC);
|
|
|
|
|
#endif
|
|
|
|
|
the_insn.exp = *operand;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
/* the_insn.reloc_offset = 1; */
|
|
|
|
|
the_insn.pcrel = 1; /* Assume PC-relative jump. */
|
|
|
|
|
|
|
|
|
|
/* FIXME-SOON, Do we figure out whether abs later, after
|
|
|
|
|
know sym val? */
|
|
|
|
|
if (reloc == RELOC_CONST || reloc == RELOC_CONSTH)
|
|
|
|
|
the_insn.pcrel = 0;
|
|
|
|
|
|
|
|
|
|
encode (insn, &opcode, operand->X_add_number, *args);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
/* Types or values of args don't match. */
|
|
|
|
|
as_bad (_("invalid operands"));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* 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. */
|
|
|
|
|
|
|
|
|
|
/* Equal to MAX_PRECISION in atof-ieee.c. */
|
|
|
|
|
#define MAX_LITTLENUMS 6
|
|
|
|
|
|
|
|
|
|
char *
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_atof (int type, char * litP, int * sizeP)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
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 NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Write out big-endian. */
|
|
|
|
|
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_number_to_chars (char *buf, valueT val, int n)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
number_to_chars_bigendian (buf, val, n);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_apply_fix3 (fixS * fixP, valueT * val, segT seg ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
|
|
|
|
|
long t_val;
|
|
|
|
|
|
|
|
|
|
t_val = (long) *val;
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("md_apply_fix val:%x\n", t_val);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
fixP->fx_addnumber = t_val; /* Remember value for emit_reloc. */
|
|
|
|
|
|
|
|
|
|
know (fixP->fx_size == 4);
|
|
|
|
|
know (fixP->fx_r_type < BFD_RELOC_NONE);
|
|
|
|
|
|
|
|
|
|
switch (fixP->fx_r_type)
|
|
|
|
|
{
|
|
|
|
|
case BFD_RELOC_32: /* XXXXXXXX pattern in a word. */
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_const: val=%x\n", t_val);
|
|
|
|
|
#endif
|
|
|
|
|
buf[0] = t_val >> 24;
|
|
|
|
|
buf[1] = t_val >> 16;
|
|
|
|
|
buf[2] = t_val >> 8;
|
|
|
|
|
buf[3] = t_val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case BFD_RELOC_16: /* XXXX0000 pattern in a word. */
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_const: val=%x\n", t_val);
|
|
|
|
|
#endif
|
|
|
|
|
buf[0] = t_val >> 8;
|
|
|
|
|
buf[1] = t_val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case BFD_RELOC_8: /* XX000000 pattern in a word. */
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_const: val=%x\n", t_val);
|
|
|
|
|
#endif
|
|
|
|
|
buf[0] = t_val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case BFD_RELOC_LO16: /* 0000XXXX pattern in a word. */
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_const: val=%x\n", t_val);
|
|
|
|
|
#endif
|
|
|
|
|
buf[2] = t_val >> 8; /* Holds bits 0000XXXX. */
|
|
|
|
|
buf[3] = t_val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case BFD_RELOC_HI16: /* 0000XXXX pattern in a word. */
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_consth: val=%x\n", t_val);
|
|
|
|
|
#endif
|
|
|
|
|
buf[2] = t_val >> 24; /* Holds bits XXXX0000. */
|
|
|
|
|
buf[3] = t_val >> 16;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case BFD_RELOC_32_GOT_PCREL: /* 0000XXXX pattern in a word. */
|
|
|
|
|
if (!fixP->fx_done)
|
* config/atof-ieee.c, config/obj-coff.c, config/obj-elf.c,
config/obj-ieee.c, config/obj-som.c, config/obj-vms.c,
config/tc-a29k.c, config/tc-alpha.c, config/tc-arc.c,
config/tc-arm.c, config/tc-d30v.c, config/tc-dlx.c,
config/tc-fr30.c, config/tc-h8300.c, config/tc-h8500.c,
config/tc-i370.c, config/tc-i386.c, config/tc-i960.c,
config/tc-ia64.c, config/tc-m32r.c, config/tc-m32r.h,
config/tc-m68hc11.c, config/tc-m68hc11.h, config/tc-mips.c,
config/tc-mn10200.c, config/tc-msp430.c, config/tc-ns32k.c,
config/tc-openrisc.c, config/tc-or32.c, config/tc-pdp11.c,
config/tc-pj.c, config/tc-sparc.h, config/tc-tic54x.c,
config/tc-tic80.c, config/tc-v850.c, config/tc-w65.c,
config/tc-xtensa.c, config/tc-z8k.c, config/xtensa-relax.c: Remove
#if 0'd code throughout.
2005-02-01 00:18:35 +01:00
|
|
|
|
;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
else if (fixP->fx_pcrel)
|
|
|
|
|
{
|
|
|
|
|
long v = t_val >> 28;
|
|
|
|
|
|
|
|
|
|
if (v != 0 && v != -1)
|
|
|
|
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
|
|
|
|
_("call/jmp target out of range (2)"));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
/* This case was supposed to be handled in machine_ip. */
|
|
|
|
|
abort ();
|
|
|
|
|
|
|
|
|
|
buf[0] |= (t_val >> 26) & 0x03; /* Holds bits 0FFFFFFC of address. */
|
|
|
|
|
buf[1] = t_val >> 18;
|
|
|
|
|
buf[2] = t_val >> 10;
|
|
|
|
|
buf[3] = t_val >> 2;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case BFD_RELOC_VTABLE_INHERIT:
|
|
|
|
|
case BFD_RELOC_VTABLE_ENTRY:
|
|
|
|
|
fixP->fx_done = 0;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case BFD_RELOC_NONE:
|
|
|
|
|
default:
|
|
|
|
|
as_bad (_("bad relocation type: 0x%02x"), fixP->fx_r_type);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (fixP->fx_addsy == (symbolS *) NULL)
|
|
|
|
|
fixP->fx_done = 1;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_apply_fix3 (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
2002-09-05 02:01:18 +02:00
|
|
|
|
long val = *valP;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("md_apply_fix val:%x\n", val);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
|
|
|
|
|
switch (fixP->fx_r_type)
|
|
|
|
|
{
|
|
|
|
|
case RELOC_32:
|
|
|
|
|
buf[0] = val >> 24;
|
|
|
|
|
buf[1] = val >> 16;
|
|
|
|
|
buf[2] = val >> 8;
|
|
|
|
|
buf[3] = val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RELOC_8:
|
|
|
|
|
buf[0] = val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RELOC_WDISP30:
|
2002-12-12 23:05:00 +01:00
|
|
|
|
val = (val >> 2) + 1;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
buf[0] |= (val >> 24) & 0x3f;
|
|
|
|
|
buf[1] = (val >> 16);
|
|
|
|
|
buf[2] = val >> 8;
|
|
|
|
|
buf[3] = val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RELOC_HI22:
|
|
|
|
|
buf[1] |= (val >> 26) & 0x3f;
|
|
|
|
|
buf[2] = val >> 18;
|
|
|
|
|
buf[3] = val >> 10;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RELOC_LO10:
|
|
|
|
|
buf[2] |= (val >> 8) & 0x03;
|
|
|
|
|
buf[3] = val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RELOC_BASE13:
|
|
|
|
|
buf[2] |= (val >> 8) & 0x1f;
|
|
|
|
|
buf[3] = val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RELOC_WDISP22:
|
2002-12-12 23:05:00 +01:00
|
|
|
|
val = (val >> 2) + 1;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
|
case RELOC_BASE22:
|
|
|
|
|
buf[1] |= (val >> 16) & 0x3f;
|
|
|
|
|
buf[2] = val >> 8;
|
|
|
|
|
buf[3] = val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RELOC_JUMPTARG: /* 0000XXXX pattern in a word. */
|
|
|
|
|
if (!fixP->fx_done)
|
|
|
|
|
{
|
|
|
|
|
/* The linker tries to support both AMD and old GNU style
|
|
|
|
|
R_IREL relocs. That means that if the addend is exactly
|
|
|
|
|
the negative of the address within the section, the
|
|
|
|
|
linker will not handle it correctly. */
|
|
|
|
|
}
|
|
|
|
|
else if (fixP->fx_pcrel)
|
|
|
|
|
{
|
|
|
|
|
long v = val >> 28;
|
|
|
|
|
if (v != 0 && v != -1)
|
|
|
|
|
as_bad_where (fixP->fx_file, fixP->fx_line,
|
|
|
|
|
_("call/jmp target out of range (2)"));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
/* This case was supposed to be handled in machine_ip. */
|
|
|
|
|
abort ();
|
|
|
|
|
|
|
|
|
|
buf[0] |= (val >> 26) & 0x03; /* Holds bits 0FFFFFFC of address. */
|
|
|
|
|
buf[1] = val >> 18;
|
|
|
|
|
buf[2] = val >> 10;
|
|
|
|
|
buf[3] = val >> 2;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RELOC_CONST: /* 0000XXXX pattern in a word. */
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_const: val=%x\n", val);
|
|
|
|
|
#endif
|
|
|
|
|
buf[2] = val >> 8; /* Holds bits 0000XXXX. */
|
|
|
|
|
buf[3] = val;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RELOC_CONSTH: /* 0000XXXX pattern in a word. */
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("reloc_consth: val=%x\n", val);
|
|
|
|
|
#endif
|
|
|
|
|
buf[2] = val >> 24; /* Holds bits XXXX0000. */
|
|
|
|
|
buf[3] = val >> 16;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case BFD_RELOC_VTABLE_INHERIT:
|
|
|
|
|
case BFD_RELOC_VTABLE_ENTRY:
|
|
|
|
|
fixP->fx_done = 0;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case NO_RELOC:
|
|
|
|
|
default:
|
|
|
|
|
as_bad (_("bad relocation type: 0x%02x"), fixP->fx_r_type);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (fixP->fx_addsy == (symbolS *) NULL)
|
|
|
|
|
fixP->fx_done = 1;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef OBJ_COFF
|
|
|
|
|
short
|
2005-03-24 21:40:28 +01:00
|
|
|
|
tc_coff_fix2rtype (fixS *fixP)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("tc_coff_fix2rtype\n");
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
switch (fixP->fx_r_type)
|
|
|
|
|
{
|
2005-03-24 21:40:28 +01:00
|
|
|
|
case RELOC_32: return R_WORD;
|
|
|
|
|
case RELOC_8: return R_BYTE;
|
|
|
|
|
case RELOC_CONST: return R_ILOHALF;
|
|
|
|
|
case RELOC_CONSTH: return R_IHIHALF;
|
|
|
|
|
case RELOC_JUMPTARG: return R_IREL;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
default:
|
|
|
|
|
printf ("need %d\n", fixP->fx_r_type);
|
|
|
|
|
abort ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif /* OBJ_COFF */
|
|
|
|
|
|
|
|
|
|
/* Should never be called for or32. */
|
|
|
|
|
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_create_short_jump (char * ptr ATTRIBUTE_UNUSED,
|
|
|
|
|
addressT from_addr ATTRIBUTE_UNUSED,
|
|
|
|
|
addressT to_addr ATTRIBUTE_UNUSED,
|
|
|
|
|
fragS * frag ATTRIBUTE_UNUSED,
|
|
|
|
|
symbolS * to_symbol ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
as_fatal ("or32_create_short_jmp\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Should never be called for or32. */
|
|
|
|
|
|
|
|
|
|
#ifndef BFD_ASSEMBLER
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_convert_frag (object_headers * headers ATTRIBUTE_UNUSED,
|
|
|
|
|
segT seg ATTRIBUTE_UNUSED,
|
|
|
|
|
register fragS * fragP ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
as_fatal ("or32_convert_frag\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_convert_frag (bfd * headers ATTRIBUTE_UNUSED,
|
|
|
|
|
segT seg ATTRIBUTE_UNUSED,
|
|
|
|
|
fragS * fragP ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
as_fatal ("or32_convert_frag\n");
|
2002-05-11 11:53:52 +02:00
|
|
|
|
}
|
2002-01-31 18:33:08 +01:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Should never be called for or32. */
|
|
|
|
|
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_create_long_jump (char * ptr ATTRIBUTE_UNUSED,
|
|
|
|
|
addressT from_addr ATTRIBUTE_UNUSED,
|
|
|
|
|
addressT to_addr ATTRIBUTE_UNUSED,
|
|
|
|
|
fragS * frag ATTRIBUTE_UNUSED,
|
|
|
|
|
symbolS * to_symbol ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
as_fatal ("or32_create_long_jump\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Should never be called for or32. */
|
|
|
|
|
|
|
|
|
|
int
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_estimate_size_before_relax (fragS * fragP ATTRIBUTE_UNUSED,
|
|
|
|
|
segT segtype ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
as_fatal ("or32_estimate_size_before_relax\n");
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Translate internal representation of relocation info to target format.
|
|
|
|
|
|
|
|
|
|
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. */
|
|
|
|
|
/* Thanx and a tip of the hat to Michael Bloom, mb@ttidca.tti.com. */
|
|
|
|
|
|
|
|
|
|
#ifdef OBJ_AOUT
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
tc_aout_fix_to_chars (char *where,
|
|
|
|
|
fixS *fixP,
|
|
|
|
|
relax_addressT segment_address_in_file)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
long r_symbolnum;
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("tc_aout_fix_to_chars\n");
|
2002-05-11 11:53:52 +02:00
|
|
|
|
#endif
|
2002-01-31 18:33:08 +01:00
|
|
|
|
|
|
|
|
|
know (fixP->fx_r_type < BFD_RELOC_NONE);
|
|
|
|
|
know (fixP->fx_addsy != NULL);
|
|
|
|
|
|
|
|
|
|
md_number_to_chars
|
|
|
|
|
(where,
|
|
|
|
|
fixP->fx_frag->fr_address + fixP->fx_where - segment_address_in_file,
|
|
|
|
|
4);
|
|
|
|
|
|
|
|
|
|
r_symbolnum = (S_IS_DEFINED (fixP->fx_addsy)
|
|
|
|
|
? S_GET_TYPE (fixP->fx_addsy)
|
|
|
|
|
: fixP->fx_addsy->sy_number);
|
|
|
|
|
|
|
|
|
|
where[4] = (r_symbolnum >> 16) & 0x0ff;
|
|
|
|
|
where[5] = (r_symbolnum >> 8) & 0x0ff;
|
|
|
|
|
where[6] = r_symbolnum & 0x0ff;
|
|
|
|
|
where[7] = (((!S_IS_DEFINED (fixP->fx_addsy)) << 7) & 0x80) | (0 & 0x60) | (fixP->fx_r_type & 0x1F);
|
|
|
|
|
|
|
|
|
|
/* Also easy. */
|
|
|
|
|
md_number_to_chars (&where[8], fixP->fx_addnumber, 4);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif /* OBJ_AOUT */
|
|
|
|
|
|
|
|
|
|
const char *md_shortopts = "";
|
|
|
|
|
|
|
|
|
|
struct option md_longopts[] =
|
2005-03-24 21:40:28 +01:00
|
|
|
|
{
|
|
|
|
|
{ NULL, no_argument, NULL, 0 }
|
|
|
|
|
};
|
2002-01-31 18:33:08 +01:00
|
|
|
|
size_t md_longopts_size = sizeof (md_longopts);
|
|
|
|
|
|
|
|
|
|
int
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_parse_option (int c ATTRIBUTE_UNUSED, char * arg ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_show_usage (FILE * stream ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when a line is unrecognized. This is used to handle
|
|
|
|
|
definitions of or32 style local labels. */
|
|
|
|
|
|
|
|
|
|
int
|
2005-03-24 21:40:28 +01:00
|
|
|
|
or32_unrecognized_line (int c)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
int lab;
|
|
|
|
|
char *s;
|
|
|
|
|
|
|
|
|
|
if (c != '$'
|
|
|
|
|
|| ! ISDIGIT ((unsigned char) input_line_pointer[0]))
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
s = input_line_pointer;
|
|
|
|
|
|
|
|
|
|
lab = 0;
|
|
|
|
|
while (ISDIGIT ((unsigned char) *s))
|
|
|
|
|
{
|
|
|
|
|
lab = lab * 10 + *s - '0';
|
|
|
|
|
++s;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (*s != ':')
|
|
|
|
|
/* Not a label definition. */
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
if (dollar_label_defined (lab))
|
|
|
|
|
{
|
|
|
|
|
as_bad (_("label \"$%d\" redefined"), lab);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
define_dollar_label (lab);
|
|
|
|
|
colon (dollar_label_name (lab, 0));
|
|
|
|
|
input_line_pointer = s + 1;
|
|
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Default the values of symbols known that should be "predefined". We
|
|
|
|
|
don't bother to predefine them unless you actually use one, since there
|
|
|
|
|
are a lot of them. */
|
|
|
|
|
|
|
|
|
|
symbolS *
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
#ifndef BFD_ASSEMBLER
|
|
|
|
|
long regnum;
|
|
|
|
|
char testbuf[5 + /*SLOP*/ 5];
|
|
|
|
|
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf ("md_undefined_symbol(%s)\n", name);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Register name. */
|
2002-05-11 11:53:52 +02:00
|
|
|
|
if (name[0] == 'r' || name[0] == 'R' || name[0] == 'a' || name[0] == 'b')
|
|
|
|
|
{
|
2002-01-31 18:33:08 +01:00
|
|
|
|
/* Parse the number, make sure it has no extra zeroes or
|
|
|
|
|
trailing chars. */
|
|
|
|
|
regnum = atol (& name[1]);
|
|
|
|
|
|
|
|
|
|
if (regnum > 31)
|
|
|
|
|
as_fatal (_("register out of range"));
|
|
|
|
|
|
|
|
|
|
sprintf (testbuf, "%ld", regnum);
|
|
|
|
|
|
|
|
|
|
if (strcmp (testbuf, &name[1]) != 0)
|
|
|
|
|
return NULL; /* gr007 or lr7foo or whatever. */
|
|
|
|
|
|
|
|
|
|
/* We have a wiener! Define and return a new symbol for it. */
|
|
|
|
|
return (symbol_new (name, SEG_REGISTER, (valueT) regnum,
|
|
|
|
|
&zero_address_frag));
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Parse an operand that is machine-specific. */
|
|
|
|
|
|
|
|
|
|
void
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_operand (expressionS *expressionP)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
#if DEBUG
|
|
|
|
|
printf (" md_operand(input_line_pointer = %s)\n", input_line_pointer);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
if (input_line_pointer[0] == REGISTER_PREFIX && input_line_pointer[1] == 'r')
|
|
|
|
|
{
|
|
|
|
|
/* We have a numeric register expression. No biggy. */
|
|
|
|
|
input_line_pointer += 2; /* Skip %r */
|
|
|
|
|
(void) expression (expressionP);
|
|
|
|
|
|
|
|
|
|
if (expressionP->X_op != O_constant
|
|
|
|
|
|| expressionP->X_add_number > 255)
|
|
|
|
|
as_bad (_("Invalid expression after %%%%\n"));
|
|
|
|
|
expressionP->X_op = O_register;
|
|
|
|
|
}
|
|
|
|
|
else if (input_line_pointer[0] == '&')
|
|
|
|
|
{
|
|
|
|
|
/* We are taking the 'address' of a register...this one is not
|
|
|
|
|
in the manual, but it *is* in traps/fpsymbol.h! What they
|
|
|
|
|
seem to want is the register number, as an absolute number. */
|
|
|
|
|
input_line_pointer++; /* Skip & */
|
|
|
|
|
(void) expression (expressionP);
|
|
|
|
|
|
|
|
|
|
if (expressionP->X_op != O_register)
|
|
|
|
|
as_bad (_("invalid register in & expression"));
|
|
|
|
|
else
|
|
|
|
|
expressionP->X_op = O_constant;
|
|
|
|
|
}
|
|
|
|
|
else if (input_line_pointer[0] == '$'
|
|
|
|
|
&& ISDIGIT ((unsigned char) input_line_pointer[1]))
|
|
|
|
|
{
|
|
|
|
|
long lab;
|
|
|
|
|
char *name;
|
|
|
|
|
symbolS *sym;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
|
2002-01-31 18:33:08 +01:00
|
|
|
|
/* This is a local label. */
|
|
|
|
|
++input_line_pointer;
|
|
|
|
|
lab = (long) get_absolute_expression ();
|
|
|
|
|
|
|
|
|
|
if (dollar_label_defined (lab))
|
|
|
|
|
{
|
|
|
|
|
name = dollar_label_name (lab, 0);
|
|
|
|
|
sym = symbol_find (name);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
name = dollar_label_name (lab, 1);
|
|
|
|
|
sym = symbol_find_or_make (name);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
expressionP->X_op = O_symbol;
|
|
|
|
|
expressionP->X_add_symbol = sym;
|
|
|
|
|
expressionP->X_add_number = 0;
|
|
|
|
|
}
|
|
|
|
|
else if (input_line_pointer[0] == '$')
|
|
|
|
|
{
|
|
|
|
|
char *s;
|
|
|
|
|
char type;
|
|
|
|
|
int fieldnum, fieldlimit;
|
|
|
|
|
LITTLENUM_TYPE floatbuf[8];
|
|
|
|
|
|
|
|
|
|
/* $float(), $doubleN(), or $extendN() convert floating values
|
|
|
|
|
to integers. */
|
|
|
|
|
s = input_line_pointer;
|
|
|
|
|
|
|
|
|
|
++s;
|
|
|
|
|
|
|
|
|
|
fieldnum = 0;
|
|
|
|
|
if (strncmp (s, "double", sizeof "double" - 1) == 0)
|
|
|
|
|
{
|
|
|
|
|
s += sizeof "double" - 1;
|
|
|
|
|
type = 'd';
|
|
|
|
|
fieldlimit = 2;
|
|
|
|
|
}
|
|
|
|
|
else if (strncmp (s, "float", sizeof "float" - 1) == 0)
|
|
|
|
|
{
|
|
|
|
|
s += sizeof "float" - 1;
|
|
|
|
|
type = 'f';
|
|
|
|
|
fieldlimit = 1;
|
|
|
|
|
}
|
|
|
|
|
else if (strncmp (s, "extend", sizeof "extend" - 1) == 0)
|
|
|
|
|
{
|
|
|
|
|
s += sizeof "extend" - 1;
|
|
|
|
|
type = 'x';
|
|
|
|
|
fieldlimit = 4;
|
|
|
|
|
}
|
2002-05-11 11:53:52 +02:00
|
|
|
|
else
|
2002-01-31 18:33:08 +01:00
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
if (ISDIGIT (*s))
|
|
|
|
|
{
|
|
|
|
|
fieldnum = *s - '0';
|
|
|
|
|
++s;
|
|
|
|
|
}
|
|
|
|
|
if (fieldnum >= fieldlimit)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
SKIP_WHITESPACE ();
|
|
|
|
|
if (*s != '(')
|
|
|
|
|
return;
|
|
|
|
|
++s;
|
|
|
|
|
SKIP_WHITESPACE ();
|
|
|
|
|
|
|
|
|
|
s = atof_ieee (s, type, floatbuf);
|
|
|
|
|
if (s == NULL)
|
|
|
|
|
return;
|
|
|
|
|
s = s;
|
|
|
|
|
|
|
|
|
|
SKIP_WHITESPACE ();
|
|
|
|
|
if (*s != ')')
|
|
|
|
|
return;
|
|
|
|
|
++s;
|
|
|
|
|
SKIP_WHITESPACE ();
|
|
|
|
|
|
|
|
|
|
input_line_pointer = s;
|
2002-05-11 11:53:52 +02:00
|
|
|
|
expressionP->X_op = O_constant;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
expressionP->X_unsigned = 1;
|
|
|
|
|
expressionP->X_add_number = ((floatbuf[fieldnum * 2]
|
|
|
|
|
<< LITTLENUM_NUMBER_OF_BITS)
|
|
|
|
|
+ floatbuf[fieldnum * 2 + 1]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Round up a section size to the appropriate boundary. */
|
|
|
|
|
|
|
|
|
|
valueT
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size ATTRIBUTE_UNUSED)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
return size; /* Byte alignment is fine. */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Exactly what point is a PC-relative offset relative TO?
|
|
|
|
|
On the 29000, they're relative to the address of the instruction,
|
|
|
|
|
which we have set up as the address of the fixup too. */
|
|
|
|
|
|
|
|
|
|
long
|
2005-03-24 21:40:28 +01:00
|
|
|
|
md_pcrel_from (fixS *fixP)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
return fixP->fx_where + fixP->fx_frag->fr_address;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Generate a reloc for a fixup. */
|
|
|
|
|
|
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
|
|
|
arelent *
|
2005-03-24 21:40:28 +01:00
|
|
|
|
tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
|
2002-01-31 18:33:08 +01:00
|
|
|
|
{
|
|
|
|
|
arelent *reloc;
|
|
|
|
|
|
2005-03-24 21:40:28 +01:00
|
|
|
|
reloc = xmalloc (sizeof (arelent));
|
|
|
|
|
reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
|
2002-01-31 18:33:08 +01:00
|
|
|
|
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
|
|
|
|
|
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
|
|
|
|
|
/* reloc->address = fixp->fx_frag->fr_address + fixp->fx_where + fixp->fx_addnumber;*/
|
|
|
|
|
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
|
|
|
|
|
|
|
|
|
|
if (reloc->howto == (reloc_howto_type *) NULL)
|
|
|
|
|
{
|
|
|
|
|
as_bad_where (fixp->fx_file, fixp->fx_line,
|
|
|
|
|
_("reloc %d not supported by object file format"),
|
|
|
|
|
(int) fixp->fx_r_type);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
2002-09-05 02:01:18 +02:00
|
|
|
|
if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
|
|
|
|
|
reloc->address = fixp->fx_offset;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
|
2002-09-05 02:01:18 +02:00
|
|
|
|
reloc->addend = fixp->fx_addnumber;
|
2002-01-31 18:33:08 +01:00
|
|
|
|
return reloc;
|
|
|
|
|
}
|
|
|
|
|
#endif
|