/* tc-h8300.c -- Assemble code for the Renesas H8/300
- Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000,
- 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1991-2020 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. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
/* Written By Steve Chamberlain <sac@cygnus.com>. */
-#include <stdio.h>
#include "as.h"
#include "subsegs.h"
-#include "bfd.h"
-
-#ifdef BFD_ASSEMBLER
#include "dwarf2dbg.h"
-#endif
#define DEFINE_TABLE
#define h8_opcodes ops
#include "opcode/h8300.h"
#include "safe-ctype.h"
-
-#ifdef OBJ_ELF
#include "elf/h8.h"
-#endif
const char comment_chars[] = ";";
const char line_comment_chars[] = "#";
+#ifdef TE_LINUX
+const char line_separator_chars[] = "!";
+#else
const char line_separator_chars[] = "";
+#endif
-void cons (int);
-void sbranch (int);
-void h8300hmode (int);
-void h8300smode (int);
-void h8300hnmode (int);
-void h8300snmode (int);
-void h8300sxmode (int);
-void h8300sxnmode (int);
+static void sbranch (int);
+static void h8300hmode (int);
+static void h8300smode (int);
+static void h8300hnmode (int);
+static void h8300snmode (int);
+static void h8300sxmode (int);
+static void h8300sxnmode (int);
static void pint (int);
int Hmode;
int Nmode;
int SXmode;
+static int default_mach = bfd_mach_h8300;
+
#define PSIZE (Hmode && !Nmode ? L_32 : L_16)
-int bsize = L_8; /* Default branch displacement. */
+static int bsize = L_8; /* Default branch displacement. */
struct h8_instruction
{
const struct h8_opcode *opcode;
};
-struct h8_instruction *h8_instructions;
+static struct h8_instruction *h8_instructions;
-void
+static void
h8300hmode (int arg ATTRIBUTE_UNUSED)
{
Hmode = 1;
Smode = 0;
-#ifdef BFD_ASSEMBLER
if (!bfd_set_arch_mach (stdoutput, bfd_arch_h8300, bfd_mach_h8300h))
as_warn (_("could not set architecture and machine"));
-#endif
}
-void
+static void
h8300smode (int arg ATTRIBUTE_UNUSED)
{
Smode = 1;
Hmode = 1;
-#ifdef BFD_ASSEMBLER
if (!bfd_set_arch_mach (stdoutput, bfd_arch_h8300, bfd_mach_h8300s))
as_warn (_("could not set architecture and machine"));
-#endif
}
-void
+static void
h8300hnmode (int arg ATTRIBUTE_UNUSED)
{
Hmode = 1;
Smode = 0;
Nmode = 1;
-#ifdef BFD_ASSEMBLER
if (!bfd_set_arch_mach (stdoutput, bfd_arch_h8300, bfd_mach_h8300hn))
as_warn (_("could not set architecture and machine"));
-#endif
}
-void
+static void
h8300snmode (int arg ATTRIBUTE_UNUSED)
{
Smode = 1;
Hmode = 1;
Nmode = 1;
-#ifdef BFD_ASSEMBLER
if (!bfd_set_arch_mach (stdoutput, bfd_arch_h8300, bfd_mach_h8300sn))
as_warn (_("could not set architecture and machine"));
-#endif
}
-void
+static void
h8300sxmode (int arg ATTRIBUTE_UNUSED)
{
Smode = 1;
Hmode = 1;
SXmode = 1;
-#ifdef BFD_ASSEMBLER
if (!bfd_set_arch_mach (stdoutput, bfd_arch_h8300, bfd_mach_h8300sx))
as_warn (_("could not set architecture and machine"));
-#endif
}
-void
+static void
h8300sxnmode (int arg ATTRIBUTE_UNUSED)
{
Smode = 1;
Hmode = 1;
SXmode = 1;
Nmode = 1;
-#ifdef BFD_ASSEMBLER
if (!bfd_set_arch_mach (stdoutput, bfd_arch_h8300, bfd_mach_h8300sxn))
as_warn (_("could not set architecture and machine"));
-#endif
}
-void
+static void
sbranch (int size)
{
bsize = size;
cons (Hmode ? 4 : 2);
}
+/* Like obj_elf_section, but issues a warning for new
+ sections which do not have an attribute specification. */
+
+static void
+h8300_elf_section (int push)
+{
+ static const char * known_data_sections [] = { ".rodata", ".tdata", ".tbss" };
+ static const char * known_data_prefixes [] = { ".debug", ".zdebug", ".gnu.warning" };
+ char * saved_ilp = input_line_pointer;
+ const char * name;
+
+ name = obj_elf_section_name ();
+ if (name == NULL)
+ return;
+
+ if (* input_line_pointer != ','
+ && bfd_get_section_by_name (stdoutput, name) == NULL)
+ {
+ signed int i;
+
+ /* Ignore this warning for well known data sections. */
+ for (i = ARRAY_SIZE (known_data_sections); i--;)
+ if (strcmp (name, known_data_sections[i]) == 0)
+ break;
+
+ if (i < 0)
+ for (i = ARRAY_SIZE (known_data_prefixes); i--;)
+ if (strncmp (name, known_data_prefixes[i],
+ strlen (known_data_prefixes[i])) == 0)
+ break;
+
+ if (i < 0)
+ as_warn (_("new section '%s' defined without attributes - this might cause problems"), name);
+ }
+
+ /* FIXME: We ought to free the memory allocated by obj_elf_section_name()
+ for 'name', but we do not know if it was taken from the obstack, via
+ demand_copy_C_string(), or xmalloc()ed. */
+ input_line_pointer = saved_ilp;
+ obj_elf_section (push);
+}
+
/* This table describes all the machine specific pseudo-ops the assembler
has to support. The fields are:
pseudo-op name without dot
{"import", s_ignore, 0},
{"page", listing_eject, 0},
{"program", s_ignore, 0},
+
+ {"section", h8300_elf_section, 0},
+ {"section.s", h8300_elf_section, 0},
+ {"sect", h8300_elf_section, 0},
+ {"sect.s", h8300_elf_section, 0},
+
{0, 0, 0}
};
-const int md_reloc_size;
-
const char EXP_CHARS[] = "eE";
/* Chars that mean this number is a floating point constant
char prev_buffer[100];
int idx = 0;
-#ifdef BFD_ASSEMBLER
- if (!bfd_set_arch_mach (stdoutput, bfd_arch_h8300, bfd_mach_h8300))
+ if (!bfd_set_arch_mach (stdoutput, bfd_arch_h8300, default_mach))
as_warn (_("could not set architecture and machine"));
-#endif
opcode_hash_control = hash_new ();
prev_buffer[0] = 0;
nopcodes = sizeof (h8_opcodes) / sizeof (struct h8_opcode);
-
- h8_instructions = (struct h8_instruction *)
- xmalloc (nopcodes * sizeof (struct h8_instruction));
+
+ h8_instructions = XNEWVEC (struct h8_instruction, nopcodes);
pi = h8_instructions;
p1 = h8_opcodes;
{
struct h8_opcode *first_skipped = 0;
int len, cmplen = 0;
- char *src = p1->name;
+ const char *src = p1->name;
char *dst, *buffer;
if (p1->name == 0)
break;
/* Strip off any . part when inserting the opcode and only enter
unique codes into the hash table. */
- dst = buffer = malloc (strlen (src) + 1);
+ dst = buffer = XNEWVEC (char, strlen (src) + 1);
while (*src)
{
if (*src == '.')
linkrelax = 1;
}
-struct h8_exp
-{
- char *e_beg;
- char *e_end;
- expressionS e_exp;
-};
-
struct h8_op
{
op_type mode;
static void clever_message (const struct h8_instruction *, struct h8_op *);
static void fix_operand_size (struct h8_op *, int);
static void build_bytes (const struct h8_instruction *, struct h8_op *);
-static void do_a_fix_imm (int, int, struct h8_op *, int);
-static void check_operand (struct h8_op *, unsigned int, char *);
+static void do_a_fix_imm (int, int, struct h8_op *, int, const struct h8_instruction *);
+static void check_operand (struct h8_op *, unsigned int, const char *);
static const struct h8_instruction * get_specific (const struct h8_instruction *, struct h8_op *, int) ;
static char *get_operands (unsigned, char *, struct h8_op *);
static void get_operand (char **, struct h8_op *, int);
static char *skip_colonthing (char *, int *);
static char *parse_exp (char *, struct h8_op *);
-static int constant_fits_width_p (struct h8_op *, unsigned int);
static int constant_fits_size_p (struct h8_op *, int, int);
/*
char *end;
int len;
- /* Cribbed from get_symbol_end. */
+ /* Cribbed from get_symbol_name. */
if (!is_name_beginner (*src) || *src == '\001')
return 0;
end = src + 1;
*reg = 7;
return len;
}
- if (len == 3 &&
- TOLOWER (src[0]) == 'c' &&
- TOLOWER (src[1]) == 'c' &&
+ if (len == 3 &&
+ TOLOWER (src[0]) == 'c' &&
+ TOLOWER (src[1]) == 'c' &&
TOLOWER (src[2]) == 'r')
{
*mode = CCR;
*reg = 0;
return len;
}
- if (len == 3 &&
- TOLOWER (src[0]) == 'e' &&
- TOLOWER (src[1]) == 'x' &&
+ if (len == 3 &&
+ TOLOWER (src[0]) == 'e' &&
+ TOLOWER (src[1]) == 'x' &&
TOLOWER (src[2]) == 'r')
{
*mode = EXR;
*reg = 1;
return len;
}
- if (len == 3 &&
- TOLOWER (src[0]) == 'v' &&
- TOLOWER (src[1]) == 'b' &&
+ if (len == 3 &&
+ TOLOWER (src[0]) == 'v' &&
+ TOLOWER (src[1]) == 'b' &&
TOLOWER (src[2]) == 'r')
{
*mode = VBR;
*reg = 6;
return len;
}
- if (len == 3 &&
- TOLOWER (src[0]) == 's' &&
- TOLOWER (src[1]) == 'b' &&
+ if (len == 3 &&
+ TOLOWER (src[0]) == 's' &&
+ TOLOWER (src[1]) == 'b' &&
TOLOWER (src[2]) == 'r')
{
*mode = SBR;
@@aa[:8] memory indirect. */
static int
-constant_fits_width_p (struct h8_op *operand, unsigned int width)
+constant_fits_width_p (struct h8_op *operand, offsetT width)
{
- return ((operand->exp.X_add_number & ~width) == 0
- || (operand->exp.X_add_number | width) == (unsigned)(~0));
+ offsetT num;
+
+ num = ((operand->exp.X_add_number & 0xffffffff) ^ 0x80000000) - 0x80000000;
+ return (num & ~width) == 0 || (num | width) == ~0;
}
static int
constant_fits_size_p (struct h8_op *operand, int size, int no_symbols)
{
- offsetT num = operand->exp.X_add_number;
+ offsetT num;
+
if (no_symbols
&& (operand->exp.X_add_symbol != 0 || operand->exp.X_op_symbol != 0))
return 0;
+ num = operand->exp.X_add_number & 0xffffffff;
switch (size)
{
case L_2:
case L_5:
return num >= 1 && num < 32;
case L_8:
- return (num & ~0xFF) == 0 || ((unsigned)num | 0x7F) == ~0u;
+ num = (num ^ 0x80000000) - 0x80000000;
+ return (num & ~0xFF) == 0 || (num | 0x7F) == ~0;
case L_8U:
return (num & ~0xFF) == 0;
case L_16:
- return (num & ~0xFFFF) == 0 || ((unsigned)num | 0x7FFF) == ~0u;
+ num = (num ^ 0x80000000) - 0x80000000;
+ return (num & ~0xFFFF) == 0 || (num | 0x7FFF) == ~0;
case L_16U:
return (num & ~0xFFFF) == 0;
case L_32:
/* Gross. Gross. ldm and stm have a format not easily handled
by get_operand. We deal with it explicitly here. */
- if (TOLOWER (src[0]) == 'e' && TOLOWER (src[1]) == 'r' &&
+ if (TOLOWER (src[0]) == 'e' && TOLOWER (src[1]) == 'r' &&
ISDIGIT (src[2]) && src[3] == '-' &&
TOLOWER (src[4]) == 'e' && TOLOWER (src[5]) == 'r' && ISDIGIT (src[6]))
{
low = src[2] - '0';
high = src[6] - '0';
- if (high == low)
- as_bad (_("Invalid register list for ldm/stm\n"));
-
- if (high < low)
+ /* Check register pair's validity as per tech note TN-H8*-193A/E
+ from Renesas for H8S and H8SX hardware manual. */
+ if ( !(low == 0 && (high == 1 || high == 2 || high == 3))
+ && !(low == 1 && (high == 2 || high == 3 || high == 4) && SXmode)
+ && !(low == 2 && (high == 3 || ((high == 4 || high == 5) && SXmode)))
+ && !(low == 3 && (high == 4 || high == 5 || high == 6) && SXmode)
+ && !(low == 4 && (high == 5 || high == 6))
+ && !(low == 4 && high == 7 && SXmode)
+ && !(low == 5 && (high == 6 || high == 7) && SXmode)
+ && !(low == 6 && high == 7 && SXmode))
as_bad (_("Invalid register list for ldm/stm\n"));
- if (high - low > 3)
- as_bad (_("Invalid register list for ldm/stm)\n"));
-
/* Even sicker. We encode two registers into op->reg. One
for the low register to save, the other for the high
register to save; we also set the high bit in op->reg
op->mode = (op->mode & ~SIZE) | L_8;
break;
default:
- as_warn ("invalid suffix after register.");
+ as_warn (_("invalid suffix after register."));
break;
}
src += 2;
}
if (mode
&& src[len + 2] == ','
- && TOLOWER (src[len + 3]) != 'p'
+ && TOLOWER (src[len + 3]) != 'p'
&& TOLOWER (src[len + 4]) != 'c'
&& src[len + 5] != ')')
{
op->mode |= DISP | direction;
src = skip_colonthing (src, &op->mode);
- if (*src != ')' && '(')
+ if (*src != ')')
{
as_bad (_("expected @(exp, reg16)"));
return;
*ptr = parse_exp (src + 1, op);
return;
}
- else if (strncmp (src, "mach", 4) == 0 ||
+ else if (strncmp (src, "mach", 4) == 0 ||
strncmp (src, "macl", 4) == 0 ||
- strncmp (src, "MACH", 4) == 0 ||
+ strncmp (src, "MACH", 4) == 0 ||
strncmp (src, "MACL", 4) == 0)
{
op->reg = TOLOWER (src[3]) == 'l';
}
else if ((operand[1].mode & MODE) == LOWREG)
{
- switch (operand[1].mode & SIZE)
+ switch (operand[1].mode & SIZE)
{
case L_8:
operand[0].mode = (operand[0].mode & ~MODE) | INDEXB;
error:
as_bad (_("expected valid addressing mode for mova: \"@(disp, ea.sz),ERn\""));
- return;
}
static void
get_rtsl_operands (char *ptr, struct h8_op *operand)
{
- int mode, num, num2, len, type = 0;
+ int mode, len, type = 0;
+ unsigned int num, num2;
ptr++;
if (*ptr == '(')
ptr += len;
/* CONST_xxx are used as placeholders in the opcode table. */
num = num2 - num;
- if (num < 0 || num > 3)
+ if (num > 3)
{
as_bad (_("invalid register list"));
return;
}
else if (x_mode == IMM && op_mode != IMM)
{
- offsetT num = operands[i].exp.X_add_number;
+ offsetT num = operands[i].exp.X_add_number & 0xffffffff;
if (op_mode == KBIT || op_mode == DBIT)
/* This is ok if the immediate value is sensible. */;
else if (op_mode == CONST_2)
x |= x_size = L_32;
}
-#if 0 /* ??? */
- /* Promote an L8 to L_16 if it makes us match. */
- if ((op_mode == ABS || op_mode == DISP) && x_size == L_8)
- {
- if (op_size == L_16)
- x_size = L_16;
- }
-#endif
-
if (((x_size == L_16 && op_size == L_16U)
|| (x_size == L_8 && op_size == L_8U)
|| (x_size == L_3 && op_size == L_3NZ))
}
static void
-check_operand (struct h8_op *operand, unsigned int width, char *string)
+check_operand (struct h8_op *operand, unsigned int width, const char *string)
{
if (operand->exp.X_add_symbol == 0
&& operand->exp.X_op_symbol == 0)
(may relax into an 8bit absolute address). */
static void
-do_a_fix_imm (int offset, int nibble, struct h8_op *operand, int relaxmode)
+do_a_fix_imm (int offset, int nibble, struct h8_op *operand, int relaxmode, const struct h8_instruction *this_try)
{
int idx;
int size;
int where;
char *bytes = frag_now->fr_literal + offset;
- char *t = ((operand->mode & MODE) == IMM) ? "#" : "@";
+ const char *t = ((operand->mode & MODE) == IMM) ? "#" : "@";
if (operand->exp.X_add_symbol == 0)
{
check_operand (operand, 0xffff, t);
bytes[0] |= operand->exp.X_add_number >> 8;
bytes[1] |= operand->exp.X_add_number >> 0;
+ /* MOVA needs both relocs to relax the second operand properly. */
+ if (relaxmode != 0
+ && (OP_KIND(this_try->opcode->how) == O_MOVAB
+ || OP_KIND(this_try->opcode->how) == O_MOVAW
+ || OP_KIND(this_try->opcode->how) == O_MOVAL))
+ {
+ idx = BFD_RELOC_16;
+ fix_new_exp (frag_now, offset, 2, &operand->exp, 0, idx);
+ }
break;
case L_24:
check_operand (operand, 0xffffff, t);
bytes[3] |= operand->exp.X_add_number >> 0;
if (relaxmode != 0)
{
- idx = (relaxmode == 2) ? R_MOV24B1 : R_MOVL1;
+ if ((operand->mode & MODE) == DISP && relaxmode == 1)
+ idx = BFD_RELOC_H8_DISP32A16;
+ else
+ idx = (relaxmode == 2) ? R_MOV24B1 : R_MOVL1;
fix_new_exp (frag_now, offset, 4, &operand->exp, 0, idx);
}
break;
case L_32:
size = 4;
where = (operand->mode & SIZE) == L_24 ? -1 : 0;
- if (relaxmode == 2)
+ if ((operand->mode & MODE) == DISP && relaxmode == 1)
+ idx = BFD_RELOC_H8_DISP32A16;
+ else if (relaxmode == 2)
idx = R_MOV24B1;
else if (relaxmode == 1)
idx = R_MOVL1;
break;
default:
as_bad (_("Can't work out size of operand.\n"));
+ /* Fall through. */
case L_16:
case L_16U:
size = 2;
{
int i;
char *output = frag_more (this_try->length);
- op_type *nibble_ptr = this_try->opcode->data.nib;
+ const op_type *nibble_ptr = this_try->opcode->data.nib;
op_type c;
unsigned int nibble_count = 0;
int op_at[3];
if (!Hmode && this_try->opcode->available != AV_H8)
as_warn (_("Opcode `%s' with these operand types not available in H8/300 mode"),
this_try->opcode->name);
- else if (!Smode
- && this_try->opcode->available != AV_H8
+ else if (!Smode
+ && this_try->opcode->available != AV_H8
&& this_try->opcode->available != AV_H8H)
as_warn (_("Opcode `%s' with these operand types not available in H8/300H mode"),
this_try->opcode->name);
- else if (!SXmode
+ else if (!SXmode
&& this_try->opcode->available != AV_H8
&& this_try->opcode->available != AV_H8H
&& this_try->opcode->available != AV_H8S)
for (i = 0; i < this_try->length; i++)
output[i] = (asnibbles[i * 2] << 4) | asnibbles[i * 2 + 1];
- /* Note if this is a movb instruction -- there's a special relaxation
- which only applies to them. */
- if (this_try->opcode->how == O (O_MOV, SB))
+ /* Note if this is a mov.b or a bit manipulation instruction
+ there is a special relaxation which only applies. */
+ if ( this_try->opcode->how == O (O_MOV, SB)
+ || this_try->opcode->how == O (O_BCLR, SB)
+ || this_try->opcode->how == O (O_BAND, SB)
+ || this_try->opcode->how == O (O_BIAND, SB)
+ || this_try->opcode->how == O (O_BILD, SB)
+ || this_try->opcode->how == O (O_BIOR, SB)
+ || this_try->opcode->how == O (O_BIST, SB)
+ || this_try->opcode->how == O (O_BIXOR, SB)
+ || this_try->opcode->how == O (O_BLD, SB)
+ || this_try->opcode->how == O (O_BNOT, SB)
+ || this_try->opcode->how == O (O_BOR, SB)
+ || this_try->opcode->how == O (O_BSET, SB)
+ || this_try->opcode->how == O (O_BST, SB)
+ || this_try->opcode->how == O (O_BTST, SB)
+ || this_try->opcode->how == O (O_BXOR, SB))
movb = 1;
/* Output any fixes. */
if (x_mode == IMM || x_mode == DISP)
do_a_fix_imm (output - frag_now->fr_literal + op_at[i] / 2,
- op_at[i] & 1, operand + i, (x & MEMRELAX) != 0);
-
+ op_at[i] & 1, operand + i, (x & MEMRELAX) != 0,
+ this_try);
else if (x_mode == ABS)
do_a_fix_imm (output - frag_now->fr_literal + op_at[i] / 2,
op_at[i] & 1, operand + i,
- (x & MEMRELAX) ? movb + 1 : 0);
+ (x & MEMRELAX) ? movb + 1 : 0,
+ this_try);
else if (x_mode == PCREL)
{
if (operand[i].exp.X_add_number & 1)
as_warn (_("branch operand has odd offset (%lx)\n"),
(unsigned long) operand->exp.X_add_number);
-#ifndef OBJ_ELF
- /* The COFF port has always been off by one, changing it
- now would be an incompatible change, so we leave it as-is.
-
- We don't want to do this for ELF as we want to be
- compatible with the proposed ELF format from Hitachi. */
- operand[i].exp.X_add_number -= 1;
-#endif
if (size16)
{
operand[i].exp.X_add_number =
int where = 0;
bfd_reloc_code_real_type reloc_type = R_JMPL1;
-#ifdef OBJ_ELF
/* To be compatible with the proposed H8 ELF format, we
want the relocation's offset to point to the first byte
that will be modified, not to the start of the instruction. */
-
+
if ((operand->mode & SIZE) == L_32)
{
where = 2;
}
else
where = 1;
-#endif
/* This jmp may be a jump or a branch. */
- check_operand (operand + i,
- SXmode ? 0xffffffff : Hmode ? 0xffffff : 0xffff,
+ check_operand (operand + i,
+ SXmode ? 0xffffffff : Hmode ? 0xffffff : 0xffff,
"@");
if (operand[i].exp.X_add_number & 1)
is safe. get_specific() will relax L_24 into L_32 where
necessary. */
if (Hmode
- && !Nmode
- && (operand->exp.X_add_number < -32768
- || operand->exp.X_add_number > 32767
+ && !Nmode
+ && ((((addressT) operand->exp.X_add_number + 0x8000)
+ & 0xffffffff) > 0xffff
|| operand->exp.X_add_symbol != 0
|| operand->exp.X_op_symbol != 0))
operand->mode |= L_24;
break;
case PCREL:
- /* This condition is long standing, though somewhat suspect. */
- if (operand->exp.X_add_number > -128
- && operand->exp.X_add_number < 127)
- operand->mode |= L_8;
+ if ((((addressT) operand->exp.X_add_number + 0x80)
+ & 0xffffffff) <= 0xff)
+ {
+ if (operand->exp.X_add_symbol != NULL)
+ operand->mode |= bsize;
+ else
+ operand->mode |= L_8;
+ }
else
operand->mode |= L_16;
break;
*op_end = c;
prev_instruction = instruction;
+ /* Now we have operands from instruction.
+ Let's check them out for ldm and stm. */
+ if (OP_KIND (instruction->opcode->how) == O_LDM)
+ {
+ /* The first operand must be @er7+, and the
+ second operand must be a register pair. */
+ if ((operand[0].mode != RSINC)
+ || (operand[0].reg != 7)
+ || ((operand[1].reg & 0x80000000) == 0))
+ as_bad (_("invalid operand in ldm"));
+ }
+ else if (OP_KIND (instruction->opcode->how) == O_STM)
+ {
+ /* The first operand must be a register pair,
+ and the second operand must be @-er7. */
+ if (((operand[0].reg & 0x80000000) == 0)
+ || (operand[1].mode != RDDEC)
+ || (operand[1].reg != 7))
+ as_bad (_("invalid operand in stm"));
+ }
+
size = SN;
if (dot)
{
build_bytes (instruction, operand);
-#ifdef BFD_ASSEMBLER
dwarf2_emit_insn (instruction->length);
-#endif
-}
-
-#ifndef BFD_ASSEMBLER
-void
-tc_crawl_symbol_chain (object_headers *headers ATTRIBUTE_UNUSED)
-{
- printf (_("call to tc_crawl_symbol_chain \n"));
}
-#endif
symbolS *
md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
return 0;
}
-#ifndef BFD_ASSEMBLER
-void
-tc_headers_hook (object_headers *headers ATTRIBUTE_UNUSED)
+/* Various routines to kill one day. */
+
+const char *
+md_atof (int type, char *litP, int *sizeP)
{
- printf (_("call to tc_headers_hook \n"));
+ return ieee_md_atof (type, litP, sizeP, TRUE);
}
-#endif
+\f
+#define OPTION_H_TICK_HEX (OPTION_MD_BASE)
+#define OPTION_MACH (OPTION_MD_BASE+1)
-/* Various routines to kill one day */
-/* Equal to MAX_PRECISION in atof-ieee.c */
-#define MAX_LITTLENUMS 6
+const char *md_shortopts = "";
+struct option md_longopts[] =
+{
+ { "h-tick-hex", no_argument, NULL, OPTION_H_TICK_HEX },
+ { "mach", required_argument, NULL, OPTION_MACH },
+ {NULL, no_argument, NULL, 0}
+};
-/* 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. */
+size_t md_longopts_size = sizeof (md_longopts);
-char *
-md_atof (int type, char *litP, int *sizeP)
+struct mach_func
{
- int prec;
- LITTLENUM_TYPE words[MAX_LITTLENUMS];
- LITTLENUM_TYPE *wordP;
- char *t;
+ const char *name;
+ void (*func) (void);
+};
- switch (type)
- {
- case 'f':
- case 'F':
- case 's':
- case 'S':
- prec = 2;
- break;
+static void
+mach_h8300h (void)
+{
+ Hmode = 1;
+ Smode = 0;
+ Nmode = 0;
+ SXmode = 0;
+ default_mach = bfd_mach_h8300h;
+}
- case 'd':
- case 'D':
- case 'r':
- case 'R':
- prec = 4;
- break;
+static void
+mach_h8300hn (void)
+{
+ Hmode = 1;
+ Smode = 0;
+ Nmode = 1;
+ SXmode = 0;
+ default_mach = bfd_mach_h8300hn;
+}
- case 'x':
- case 'X':
- prec = 6;
- break;
+static void
+mach_h8300s (void)
+{
+ Hmode = 1;
+ Smode = 1;
+ Nmode = 0;
+ SXmode = 0;
+ default_mach = bfd_mach_h8300s;
+}
- case 'p':
- case 'P':
- prec = 6;
- break;
+static void
+mach_h8300sn (void)
+{
+ Hmode = 1;
+ Smode = 1;
+ Nmode = 1;
+ SXmode = 0;
+ default_mach = bfd_mach_h8300sn;
+}
- default:
- *sizeP = 0;
- return _("Bad call to MD_ATOF()");
- }
- t = atof_ieee (input_line_pointer, type, words);
- if (t)
- input_line_pointer = t;
+static void
+mach_h8300sx (void)
+{
+ Hmode = 1;
+ Smode = 1;
+ Nmode = 0;
+ SXmode = 1;
+ default_mach = bfd_mach_h8300sx;
+}
- *sizeP = prec * sizeof (LITTLENUM_TYPE);
- for (wordP = words; prec--;)
- {
- md_number_to_chars (litP, (long) (*wordP++), sizeof (LITTLENUM_TYPE));
- litP += sizeof (LITTLENUM_TYPE);
- }
- return 0;
+static void
+mach_h8300sxn (void)
+{
+ Hmode = 1;
+ Smode = 1;
+ Nmode = 1;
+ SXmode = 1;
+ default_mach = bfd_mach_h8300sxn;
}
-\f
-const char *md_shortopts = "";
-struct option md_longopts[] = {
- {NULL, no_argument, NULL, 0}
-};
-size_t md_longopts_size = sizeof (md_longopts);
+const struct mach_func mach_table[] =
+{
+ {"h8300h", mach_h8300h},
+ {"h8300hn", mach_h8300hn},
+ {"h8300s", mach_h8300s},
+ {"h8300sn", mach_h8300sn},
+ {"h8300sx", mach_h8300sx},
+ {"h8300sxn", mach_h8300sxn}
+};
int
-md_parse_option (int c ATTRIBUTE_UNUSED, char *arg ATTRIBUTE_UNUSED)
+md_parse_option (int c ATTRIBUTE_UNUSED, const char *arg ATTRIBUTE_UNUSED)
{
- return 0;
+ unsigned int i;
+ switch (c)
+ {
+ case OPTION_H_TICK_HEX:
+ enable_h_tick_hex = 1;
+ break;
+ case OPTION_MACH:
+ for (i = 0; i < sizeof(mach_table) / sizeof(struct mach_func); i++)
+ {
+ if (strcasecmp (arg, mach_table[i].name) == 0)
+ {
+ mach_table[i].func();
+ break;
+ }
+ }
+ if (i >= sizeof(mach_table) / sizeof(struct mach_func))
+ as_bad (_("Invalid argument to --mach option: %s"), arg);
+ break;
+ default:
+ return 0;
+ }
+ return 1;
}
void
-md_show_usage (FILE *stream ATTRIBUTE_UNUSED)
+md_show_usage (FILE *stream)
{
+ fprintf (stream, _(" H8300-specific assembler options:\n"));
+ fprintf (stream, _("\
+ -mach=<name> Set the H8300 machine type to one of:\n\
+ h8300h, h8300hn, h8300s, h8300sn, h8300sx, h8300sxn\n"));
+ fprintf (stream, _("\
+ -h-tick-hex Support H'00 style hex constants\n"));
}
\f
void tc_aout_fix_to_chars (void);
}
void
-md_convert_frag (
-#ifdef BFD_ASSEMBLER
- bfd *headers ATTRIBUTE_UNUSED,
-#else
- object_headers *headers ATTRIBUTE_UNUSED,
-#endif
+md_convert_frag (bfd *headers ATTRIBUTE_UNUSED,
segT seg ATTRIBUTE_UNUSED,
fragS *fragP ATTRIBUTE_UNUSED)
{
abort ();
}
-#ifdef BFD_ASSEMBLER
valueT
md_section_align (segT segment, valueT size)
{
- int align = bfd_get_section_alignment (stdoutput, segment);
- return ((size + (1 << align) - 1) & (-1 << align));
+ int align = bfd_section_alignment (segment);
+ return ((size + (1 << align) - 1) & (-1U << align));
}
-#else
-valueT
-md_section_align (segT seg, valueT size)
-{
- return ((size + (1 << section_alignment[(int) seg]) - 1)
- & (-1 << section_alignment[(int) seg]));
-}
-#endif
-
void
-md_apply_fix3 (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
+md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
{
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
long val = *valP;
*buf++ = (val >> 8);
*buf++ = val;
break;
+ case 8:
+ /* This can arise when the .quad or .8byte pseudo-ops are used.
+ Returning here (without setting fx_done) will cause the code
+ to attempt to generate a reloc which will then fail with the
+ slightly more helpful error message: "Cannot represent
+ relocation type BFD_RELOC_64". */
+ return;
default:
abort ();
}
}
int
-md_estimate_size_before_relax (register fragS *fragP ATTRIBUTE_UNUSED,
- register segT segment_type ATTRIBUTE_UNUSED)
+md_estimate_size_before_relax (fragS *fragP ATTRIBUTE_UNUSED,
+ segT segment_type ATTRIBUTE_UNUSED)
{
- printf (_("call tomd_estimate_size_before_relax \n"));
+ printf (_("call to md_estimate_size_before_relax \n"));
abort ();
}
}
long
-md_pcrel_from (fixS *fixP ATTRIBUTE_UNUSED)
+md_pcrel_from (fixS *fixp)
{
- abort ();
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("Unexpected reference to a symbol in a non-code section"));
+ return 0;
}
-#ifndef BFD_ASSEMBLER
-void
-tc_reloc_mangle (fixS *fix_ptr, struct internal_reloc *intr, bfd_vma base)
-{
- symbolS *symbol_ptr;
-
- symbol_ptr = fix_ptr->fx_addsy;
-
- /* If this relocation is attached to a symbol then it's ok
- to output it. */
- if (fix_ptr->fx_r_type == TC_CONS_RELOC)
- {
- /* cons likes to create reloc32's whatever the size of the reloc..
- */
- switch (fix_ptr->fx_size)
- {
- case 4:
- intr->r_type = R_RELLONG;
- break;
- case 2:
- intr->r_type = R_RELWORD;
- break;
- case 1:
- intr->r_type = R_RELBYTE;
- break;
- default:
- abort ();
- }
- }
- else
- {
- intr->r_type = fix_ptr->fx_r_type;
- }
-
- intr->r_vaddr = fix_ptr->fx_frag->fr_address + fix_ptr->fx_where + base;
- intr->r_offset = fix_ptr->fx_offset;
-
- if (symbol_ptr)
- {
- if (symbol_ptr->sy_number != -1)
- intr->r_symndx = symbol_ptr->sy_number;
- else
- {
- symbolS *segsym;
-
- /* This case arises when a reference is made to `.'. */
- segsym = seg_info (S_GET_SEGMENT (symbol_ptr))->dot;
- if (segsym == NULL)
- intr->r_symndx = -1;
- else
- {
- intr->r_symndx = segsym->sy_number;
- intr->r_offset += S_GET_VALUE (symbol_ptr);
- }
- }
- }
- else
- intr->r_symndx = -1;
-}
-#else /* BFD_ASSEMBLER */
arelent *
tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
{
|| S_GET_SEGMENT (fixp->fx_addsy) == undefined_section)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
- "Difference of symbols in different sections is not supported");
+ _("Difference of symbols in different sections is not supported"));
return NULL;
}
}
- rel = (arelent *) xmalloc (sizeof (arelent));
- rel->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ rel = XNEW (arelent);
+ rel->sym_ptr_ptr = XNEW (asymbol *);
*rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
rel->address = fixp->fx_frag->fr_address + fixp->fx_where;
rel->addend = fixp->fx_offset;
#define DEBUG 0
#if DEBUG
fprintf (stderr, "%s\n", bfd_get_reloc_code_name (r_type));
- fflush(stderr);
+ fflush (stderr);
#endif
rel->howto = bfd_reloc_type_lookup (stdoutput, r_type);
if (rel->howto == NULL)
return rel;
}
-#endif