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Diffstat (limited to 'binutils-2.17/gas/config/tc-mn10300.c')
-rw-r--r--binutils-2.17/gas/config/tc-mn10300.c2826
1 files changed, 0 insertions, 2826 deletions
diff --git a/binutils-2.17/gas/config/tc-mn10300.c b/binutils-2.17/gas/config/tc-mn10300.c
deleted file mode 100644
index 102c2eac..00000000
--- a/binutils-2.17/gas/config/tc-mn10300.c
+++ /dev/null
@@ -1,2826 +0,0 @@
-/* tc-mn10300.c -- Assembler code for the Matsushita 10300
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006 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)
- 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
- 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"
-#include "opcode/mn10300.h"
-#include "dwarf2dbg.h"
-
-/* Structure to hold information about predefined registers. */
-struct reg_name
-{
- const char *name;
- int value;
-};
-
-/* Generic assembler global variables which must be defined by all
- targets. */
-
-/* Characters which always start a comment. */
-const char comment_chars[] = "#";
-
-/* Characters which start a comment at the beginning of a line. */
-const char line_comment_chars[] = ";#";
-
-/* Characters which may be used to separate multiple commands on a
- single line. */
-const char line_separator_chars[] = ";";
-
-/* Characters which are used to indicate an exponent in a floating
- point number. */
-const char EXP_CHARS[] = "eE";
-
-/* Characters which mean that a number is a floating point constant,
- as in 0d1.0. */
-const char FLT_CHARS[] = "dD";
-
-const relax_typeS md_relax_table[] =
-{
- /* The plus values for the bCC and fBCC instructions in the table below
- are because the branch instruction is translated into a jump
- instruction that is now +2 or +3 bytes further on in memory, and the
- correct size of jump instruction must be selected. */
- /* bCC relaxing */
- {0x7f, -0x80, 2, 1},
- {0x7fff + 2, -0x8000 + 2, 5, 2},
- {0x7fffffff, -0x80000000, 7, 0},
-
- /* bCC relaxing (uncommon cases for 3byte length instructions) */
- {0x7f, -0x80, 3, 4},
- {0x7fff + 3, -0x8000 + 3, 6, 5},
- {0x7fffffff, -0x80000000, 8, 0},
-
- /* call relaxing */
- {0x7fff, -0x8000, 5, 7},
- {0x7fffffff, -0x80000000, 7, 0},
-
- /* calls relaxing */
- {0x7fff, -0x8000, 4, 9},
- {0x7fffffff, -0x80000000, 6, 0},
-
- /* jmp relaxing */
- {0x7f, -0x80, 2, 11},
- {0x7fff, -0x8000, 3, 12},
- {0x7fffffff, -0x80000000, 5, 0},
-
- /* fbCC relaxing */
- {0x7f, -0x80, 3, 14},
- {0x7fff + 3, -0x8000 + 3, 6, 15},
- {0x7fffffff, -0x80000000, 8, 0},
-
-};
-
-/* Local functions. */
-static void mn10300_insert_operand PARAMS ((unsigned long *, unsigned long *,
- const struct mn10300_operand *,
- offsetT, char *, unsigned,
- unsigned));
-static unsigned long check_operand PARAMS ((unsigned long,
- const struct mn10300_operand *,
- offsetT));
-static int reg_name_search PARAMS ((const struct reg_name *, int, const char *));
-static bfd_boolean data_register_name PARAMS ((expressionS *expressionP));
-static bfd_boolean address_register_name PARAMS ((expressionS *expressionP));
-static bfd_boolean other_register_name PARAMS ((expressionS *expressionP));
-static bfd_boolean r_register_name PARAMS ((expressionS *expressionP));
-static bfd_boolean xr_register_name PARAMS ((expressionS *expressionP));
-static void set_arch_mach PARAMS ((int));
-
-/* Set linkrelax here to avoid fixups in most sections. */
-int linkrelax = 1;
-
-static int current_machine;
-
-/* Fixups. */
-#define MAX_INSN_FIXUPS (5)
-struct mn10300_fixup
-{
- expressionS exp;
- int opindex;
- bfd_reloc_code_real_type reloc;
-};
-struct mn10300_fixup fixups[MAX_INSN_FIXUPS];
-static int fc;
-
-/* We must store the value of each register operand so that we can
- verify that certain registers do not match. */
-int mn10300_reg_operands[MN10300_MAX_OPERANDS];
-
-const char *md_shortopts = "";
-struct option md_longopts[] = {
- {NULL, no_argument, NULL, 0}
-};
-size_t md_longopts_size = sizeof (md_longopts);
-
-/* The target specific pseudo-ops which we support. */
-const pseudo_typeS md_pseudo_table[] =
-{
- { "am30", set_arch_mach, AM30 },
- { "am33", set_arch_mach, AM33 },
- { "am33_2", (void (*) PARAMS ((int))) set_arch_mach, AM33_2 },
- { "mn10300", set_arch_mach, MN103 },
- {NULL, 0, 0}
-};
-
-#define HAVE_AM33_2 (current_machine == AM33_2)
-#define HAVE_AM33 (current_machine == AM33 || HAVE_AM33_2)
-#define HAVE_AM30 (current_machine == AM30)
-
-/* Opcode hash table. */
-static struct hash_control *mn10300_hash;
-
-/* This table is sorted. Suitable for searching by a binary search. */
-static const struct reg_name data_registers[] =
-{
- { "d0", 0 },
- { "d1", 1 },
- { "d2", 2 },
- { "d3", 3 },
-};
-#define DATA_REG_NAME_CNT \
- (sizeof (data_registers) / sizeof (struct reg_name))
-
-static const struct reg_name address_registers[] =
-{
- { "a0", 0 },
- { "a1", 1 },
- { "a2", 2 },
- { "a3", 3 },
-};
-
-#define ADDRESS_REG_NAME_CNT \
- (sizeof (address_registers) / sizeof (struct reg_name))
-
-static const struct reg_name r_registers[] =
-{
- { "a0", 8 },
- { "a1", 9 },
- { "a2", 10 },
- { "a3", 11 },
- { "d0", 12 },
- { "d1", 13 },
- { "d2", 14 },
- { "d3", 15 },
- { "e0", 0 },
- { "e1", 1 },
- { "e10", 10 },
- { "e11", 11 },
- { "e12", 12 },
- { "e13", 13 },
- { "e14", 14 },
- { "e15", 15 },
- { "e2", 2 },
- { "e3", 3 },
- { "e4", 4 },
- { "e5", 5 },
- { "e6", 6 },
- { "e7", 7 },
- { "e8", 8 },
- { "e9", 9 },
- { "r0", 0 },
- { "r1", 1 },
- { "r10", 10 },
- { "r11", 11 },
- { "r12", 12 },
- { "r13", 13 },
- { "r14", 14 },
- { "r15", 15 },
- { "r2", 2 },
- { "r3", 3 },
- { "r4", 4 },
- { "r5", 5 },
- { "r6", 6 },
- { "r7", 7 },
- { "r8", 8 },
- { "r9", 9 },
-};
-
-#define R_REG_NAME_CNT \
- (sizeof (r_registers) / sizeof (struct reg_name))
-
-static const struct reg_name xr_registers[] =
-{
- { "mcrh", 2 },
- { "mcrl", 3 },
- { "mcvf", 4 },
- { "mdrq", 1 },
- { "sp", 0 },
- { "xr0", 0 },
- { "xr1", 1 },
- { "xr10", 10 },
- { "xr11", 11 },
- { "xr12", 12 },
- { "xr13", 13 },
- { "xr14", 14 },
- { "xr15", 15 },
- { "xr2", 2 },
- { "xr3", 3 },
- { "xr4", 4 },
- { "xr5", 5 },
- { "xr6", 6 },
- { "xr7", 7 },
- { "xr8", 8 },
- { "xr9", 9 },
-};
-
-#define XR_REG_NAME_CNT \
- (sizeof (xr_registers) / sizeof (struct reg_name))
-
-/* We abuse the `value' field, that would be otherwise unused, to
- encode the architecture on which (access to) the register was
- introduced. FIXME: we should probably warn when we encounter a
- register name when assembling for an architecture that doesn't
- support it, before parsing it as a symbol name. */
-static const struct reg_name other_registers[] =
-{
- { "epsw", AM33 },
- { "mdr", 0 },
- { "pc", AM33 },
- { "psw", 0 },
- { "sp", 0 },
-};
-
-#define OTHER_REG_NAME_CNT \
- (sizeof (other_registers) / sizeof (struct reg_name))
-
-static const struct reg_name float_registers[] =
-{
- { "fs0", 0 },
- { "fs1", 1 },
- { "fs10", 10 },
- { "fs11", 11 },
- { "fs12", 12 },
- { "fs13", 13 },
- { "fs14", 14 },
- { "fs15", 15 },
- { "fs16", 16 },
- { "fs17", 17 },
- { "fs18", 18 },
- { "fs19", 19 },
- { "fs2", 2 },
- { "fs20", 20 },
- { "fs21", 21 },
- { "fs22", 22 },
- { "fs23", 23 },
- { "fs24", 24 },
- { "fs25", 25 },
- { "fs26", 26 },
- { "fs27", 27 },
- { "fs28", 28 },
- { "fs29", 29 },
- { "fs3", 3 },
- { "fs30", 30 },
- { "fs31", 31 },
- { "fs4", 4 },
- { "fs5", 5 },
- { "fs6", 6 },
- { "fs7", 7 },
- { "fs8", 8 },
- { "fs9", 9 },
-};
-
-#define FLOAT_REG_NAME_CNT \
- (sizeof (float_registers) / sizeof (struct reg_name))
-
-static const struct reg_name double_registers[] =
-{
- { "fd0", 0 },
- { "fd10", 10 },
- { "fd12", 12 },
- { "fd14", 14 },
- { "fd16", 16 },
- { "fd18", 18 },
- { "fd2", 2 },
- { "fd20", 20 },
- { "fd22", 22 },
- { "fd24", 24 },
- { "fd26", 26 },
- { "fd28", 28 },
- { "fd30", 30 },
- { "fd4", 4 },
- { "fd6", 6 },
- { "fd8", 8 },
-};
-
-#define DOUBLE_REG_NAME_CNT \
- (sizeof (double_registers) / sizeof (struct reg_name))
-
-
-/* reg_name_search does a binary search of the given register table
- to see if "name" is a valid regiter name. Returns the register
- number from the array on success, or -1 on failure. */
-
-static int
-reg_name_search (regs, regcount, name)
- const struct reg_name *regs;
- int regcount;
- const char *name;
-{
- int middle, low, high;
- int cmp;
-
- low = 0;
- high = regcount - 1;
-
- do
- {
- middle = (low + high) / 2;
- cmp = strcasecmp (name, regs[middle].name);
- if (cmp < 0)
- high = middle - 1;
- else if (cmp > 0)
- low = middle + 1;
- else
- return regs[middle].value;
- }
- while (low <= high);
- return -1;
-}
-
-/* Summary of register_name().
- *
- * in: Input_line_pointer points to 1st char of operand.
- *
- * out: An expressionS.
- * The operand may have been a register: in this case, X_op == O_register,
- * X_add_number is set to the register number, and truth is returned.
- * Input_line_pointer->(next non-blank) char after operand, or is in
- * its original state.
- */
-
-static bfd_boolean
-r_register_name (expressionP)
- expressionS *expressionP;
-{
- int reg_number;
- char *name;
- char *start;
- char c;
-
- /* Find the spelling of the operand. */
- start = name = input_line_pointer;
-
- c = get_symbol_end ();
- reg_number = reg_name_search (r_registers, R_REG_NAME_CNT, name);
-
- /* Put back the delimiting char. */
- *input_line_pointer = c;
-
- /* Look to see if it's in the register table. */
- if (reg_number >= 0)
- {
- expressionP->X_op = O_register;
- expressionP->X_add_number = reg_number;
-
- /* Make the rest nice. */
- expressionP->X_add_symbol = NULL;
- expressionP->X_op_symbol = NULL;
-
- return TRUE;
- }
-
- /* Reset the line as if we had not done anything. */
- input_line_pointer = start;
- return FALSE;
-}
-
-/* Summary of register_name().
- *
- * in: Input_line_pointer points to 1st char of operand.
- *
- * out: An expressionS.
- * The operand may have been a register: in this case, X_op == O_register,
- * X_add_number is set to the register number, and truth is returned.
- * Input_line_pointer->(next non-blank) char after operand, or is in
- * its original state.
- */
-
-static bfd_boolean
-xr_register_name (expressionP)
- expressionS *expressionP;
-{
- int reg_number;
- char *name;
- char *start;
- char c;
-
- /* Find the spelling of the operand. */
- start = name = input_line_pointer;
-
- c = get_symbol_end ();
- reg_number = reg_name_search (xr_registers, XR_REG_NAME_CNT, name);
-
- /* Put back the delimiting char. */
- *input_line_pointer = c;
-
- /* Look to see if it's in the register table. */
- if (reg_number >= 0)
- {
- expressionP->X_op = O_register;
- expressionP->X_add_number = reg_number;
-
- /* Make the rest nice. */
- expressionP->X_add_symbol = NULL;
- expressionP->X_op_symbol = NULL;
-
- return TRUE;
- }
-
- /* Reset the line as if we had not done anything. */
- input_line_pointer = start;
- return FALSE;
-}
-
-/* Summary of register_name().
- *
- * in: Input_line_pointer points to 1st char of operand.
- *
- * out: An expressionS.
- * The operand may have been a register: in this case, X_op == O_register,
- * X_add_number is set to the register number, and truth is returned.
- * Input_line_pointer->(next non-blank) char after operand, or is in
- * its original state.
- */
-
-static bfd_boolean
-data_register_name (expressionP)
- expressionS *expressionP;
-{
- int reg_number;
- char *name;
- char *start;
- char c;
-
- /* Find the spelling of the operand. */
- start = name = input_line_pointer;
-
- c = get_symbol_end ();
- reg_number = reg_name_search (data_registers, DATA_REG_NAME_CNT, name);
-
- /* Put back the delimiting char. */
- *input_line_pointer = c;
-
- /* Look to see if it's in the register table. */
- if (reg_number >= 0)
- {
- expressionP->X_op = O_register;
- expressionP->X_add_number = reg_number;
-
- /* Make the rest nice. */
- expressionP->X_add_symbol = NULL;
- expressionP->X_op_symbol = NULL;
-
- return TRUE;
- }
-
- /* Reset the line as if we had not done anything. */
- input_line_pointer = start;
- return FALSE;
-}
-
-/* Summary of register_name().
- *
- * in: Input_line_pointer points to 1st char of operand.
- *
- * out: An expressionS.
- * The operand may have been a register: in this case, X_op == O_register,
- * X_add_number is set to the register number, and truth is returned.
- * Input_line_pointer->(next non-blank) char after operand, or is in
- * its original state.
- */
-
-static bfd_boolean
-address_register_name (expressionP)
- expressionS *expressionP;
-{
- int reg_number;
- char *name;
- char *start;
- char c;
-
- /* Find the spelling of the operand. */
- start = name = input_line_pointer;
-
- c = get_symbol_end ();
- reg_number = reg_name_search (address_registers, ADDRESS_REG_NAME_CNT, name);
-
- /* Put back the delimiting char. */
- *input_line_pointer = c;
-
- /* Look to see if it's in the register table. */
- if (reg_number >= 0)
- {
- expressionP->X_op = O_register;
- expressionP->X_add_number = reg_number;
-
- /* Make the rest nice. */
- expressionP->X_add_symbol = NULL;
- expressionP->X_op_symbol = NULL;
-
- return TRUE;
- }
-
- /* Reset the line as if we had not done anything. */
- input_line_pointer = start;
- return FALSE;
-}
-
-/* Summary of register_name().
- *
- * in: Input_line_pointer points to 1st char of operand.
- *
- * out: An expressionS.
- * The operand may have been a register: in this case, X_op == O_register,
- * X_add_number is set to the register number, and truth is returned.
- * Input_line_pointer->(next non-blank) char after operand, or is in
- * its original state.
- */
-
-static bfd_boolean
-other_register_name (expressionP)
- expressionS *expressionP;
-{
- int reg_number;
- char *name;
- char *start;
- char c;
-
- /* Find the spelling of the operand. */
- start = name = input_line_pointer;
-
- c = get_symbol_end ();
- reg_number = reg_name_search (other_registers, OTHER_REG_NAME_CNT, name);
-
- /* Put back the delimiting char. */
- *input_line_pointer = c;
-
- /* Look to see if it's in the register table. */
- if (reg_number == 0
- || (reg_number == AM33 && HAVE_AM33))
- {
- expressionP->X_op = O_register;
- expressionP->X_add_number = 0;
-
- /* Make the rest nice. */
- expressionP->X_add_symbol = NULL;
- expressionP->X_op_symbol = NULL;
-
- return TRUE;
- }
-
- /* Reset the line as if we had not done anything. */
- input_line_pointer = start;
- return FALSE;
-}
-
-static bfd_boolean double_register_name PARAMS ((expressionS *));
-static bfd_boolean float_register_name PARAMS ((expressionS *));
-
-/* Summary of float_register_name:
-
- in: Input_line_pointer points to 1st char of operand.
-
- out: A expressionS.
- The operand may have been a register: in this case, X_op == O_register,
- X_add_number is set to the register number, and truth is returned.
- Input_line_pointer->(next non-blank) char after operand, or is in
- its original state. */
-
-static bfd_boolean
-float_register_name (expressionP)
- expressionS *expressionP;
-{
- int reg_number;
- char *name;
- char *start;
- char c;
-
- /* Find the spelling of the operand. */
- start = name = input_line_pointer;
-
- c = get_symbol_end ();
- reg_number = reg_name_search (float_registers, FLOAT_REG_NAME_CNT, name);
-
- /* Put back the delimiting char. */
- * input_line_pointer = c;
-
- /* Look to see if it's in the register table. */
- if (reg_number >= 0)
- {
- expressionP->X_op = O_register;
- expressionP->X_add_number = reg_number;
-
- /* Make the rest nice. */
- expressionP->X_add_symbol = NULL;
- expressionP->X_op_symbol = NULL;
-
- return TRUE;
- }
-
- /* Reset the line as if we had not done anything. */
- input_line_pointer = start;
- return FALSE;
-}
-
-/* Summary of double_register_name:
-
- in: Input_line_pointer points to 1st char of operand.
-
- out: A expressionS.
- The operand may have been a register: in this case, X_op == O_register,
- X_add_number is set to the register number, and truth is returned.
- Input_line_pointer->(next non-blank) char after operand, or is in
- its original state. */
-
-static bfd_boolean
-double_register_name (expressionP)
- expressionS *expressionP;
-{
- int reg_number;
- char *name;
- char *start;
- char c;
-
- /* Find the spelling of the operand. */
- start = name = input_line_pointer;
-
- c = get_symbol_end ();
- reg_number = reg_name_search (double_registers, DOUBLE_REG_NAME_CNT, name);
-
- /* Put back the delimiting char. */
- * input_line_pointer = c;
-
- /* Look to see if it's in the register table. */
- if (reg_number >= 0)
- {
- expressionP->X_op = O_register;
- expressionP->X_add_number = reg_number;
-
- /* Make the rest nice. */
- expressionP->X_add_symbol = NULL;
- expressionP->X_op_symbol = NULL;
-
- return TRUE;
- }
-
- /* Reset the line as if we had not done anything. */
- input_line_pointer = start;
- return FALSE;
-}
-
-void
-md_show_usage (stream)
- FILE *stream;
-{
- fprintf (stream, _("MN10300 options:\n\
-none yet\n"));
-}
-
-int
-md_parse_option (c, arg)
- int c ATTRIBUTE_UNUSED;
- char *arg ATTRIBUTE_UNUSED;
-{
- return 0;
-}
-
-symbolS *
-md_undefined_symbol (name)
- char *name ATTRIBUTE_UNUSED;
-{
- return 0;
-}
-
-char *
-md_atof (type, litp, sizep)
- int type;
- char *litp;
- int *sizep;
-{
- int prec;
- LITTLENUM_TYPE words[4];
- char *t;
- int i;
-
- switch (type)
- {
- case 'f':
- prec = 2;
- break;
-
- case 'd':
- prec = 4;
- 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 * 2;
-
- for (i = prec - 1; i >= 0; i--)
- {
- md_number_to_chars (litp, (valueT) words[i], 2);
- litp += 2;
- }
-
- return NULL;
-}
-
-void
-md_convert_frag (abfd, sec, fragP)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *sec;
- fragS *fragP;
-{
- static unsigned long label_count = 0;
- char buf[40];
-
- subseg_change (sec, 0);
- if (fragP->fr_subtype == 0)
- {
- fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 2;
- }
- else if (fragP->fr_subtype == 1)
- {
- /* Reverse the condition of the first branch. */
- int offset = fragP->fr_fix;
- int opcode = fragP->fr_literal[offset] & 0xff;
-
- switch (opcode)
- {
- case 0xc8:
- opcode = 0xc9;
- break;
- case 0xc9:
- opcode = 0xc8;
- break;
- case 0xc0:
- opcode = 0xc2;
- break;
- case 0xc2:
- opcode = 0xc0;
- break;
- case 0xc3:
- opcode = 0xc1;
- break;
- case 0xc1:
- opcode = 0xc3;
- break;
- case 0xc4:
- opcode = 0xc6;
- break;
- case 0xc6:
- opcode = 0xc4;
- break;
- case 0xc7:
- opcode = 0xc5;
- break;
- case 0xc5:
- opcode = 0xc7;
- break;
- default:
- abort ();
- }
- fragP->fr_literal[offset] = opcode;
-
- /* Create a fixup for the reversed conditional branch. */
- sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++);
- fix_new (fragP, fragP->fr_fix + 1, 1,
- symbol_new (buf, sec, 0, fragP->fr_next),
- fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL);
-
- /* Now create the unconditional branch + fixup to the
- final target. */
- fragP->fr_literal[offset + 2] = 0xcc;
- fix_new (fragP, fragP->fr_fix + 3, 2, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 5;
- }
- else if (fragP->fr_subtype == 2)
- {
- /* Reverse the condition of the first branch. */
- int offset = fragP->fr_fix;
- int opcode = fragP->fr_literal[offset] & 0xff;
-
- switch (opcode)
- {
- case 0xc8:
- opcode = 0xc9;
- break;
- case 0xc9:
- opcode = 0xc8;
- break;
- case 0xc0:
- opcode = 0xc2;
- break;
- case 0xc2:
- opcode = 0xc0;
- break;
- case 0xc3:
- opcode = 0xc1;
- break;
- case 0xc1:
- opcode = 0xc3;
- break;
- case 0xc4:
- opcode = 0xc6;
- break;
- case 0xc6:
- opcode = 0xc4;
- break;
- case 0xc7:
- opcode = 0xc5;
- break;
- case 0xc5:
- opcode = 0xc7;
- break;
- default:
- abort ();
- }
- fragP->fr_literal[offset] = opcode;
-
- /* Create a fixup for the reversed conditional branch. */
- sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++);
- fix_new (fragP, fragP->fr_fix + 1, 1,
- symbol_new (buf, sec, 0, fragP->fr_next),
- fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL);
-
- /* Now create the unconditional branch + fixup to the
- final target. */
- fragP->fr_literal[offset + 2] = 0xdc;
- fix_new (fragP, fragP->fr_fix + 3, 4, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 7;
- }
- else if (fragP->fr_subtype == 3)
- {
- fix_new (fragP, fragP->fr_fix + 2, 1, fragP->fr_symbol,
- fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 3;
- }
- else if (fragP->fr_subtype == 4)
- {
- /* Reverse the condition of the first branch. */
- int offset = fragP->fr_fix;
- int opcode = fragP->fr_literal[offset + 1] & 0xff;
-
- switch (opcode)
- {
- case 0xe8:
- opcode = 0xe9;
- break;
- case 0xe9:
- opcode = 0xe8;
- break;
- case 0xea:
- opcode = 0xeb;
- break;
- case 0xeb:
- opcode = 0xea;
- break;
- default:
- abort ();
- }
- fragP->fr_literal[offset + 1] = opcode;
-
- /* Create a fixup for the reversed conditional branch. */
- sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++);
- fix_new (fragP, fragP->fr_fix + 2, 1,
- symbol_new (buf, sec, 0, fragP->fr_next),
- fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL);
-
- /* Now create the unconditional branch + fixup to the
- final target. */
- fragP->fr_literal[offset + 3] = 0xcc;
- fix_new (fragP, fragP->fr_fix + 4, 2, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 6;
- }
- else if (fragP->fr_subtype == 5)
- {
- /* Reverse the condition of the first branch. */
- int offset = fragP->fr_fix;
- int opcode = fragP->fr_literal[offset + 1] & 0xff;
-
- switch (opcode)
- {
- case 0xe8:
- opcode = 0xe9;
- break;
- case 0xea:
- opcode = 0xeb;
- break;
- case 0xeb:
- opcode = 0xea;
- break;
- default:
- abort ();
- }
- fragP->fr_literal[offset + 1] = opcode;
-
- /* Create a fixup for the reversed conditional branch. */
- sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++);
- fix_new (fragP, fragP->fr_fix + 2, 1,
- symbol_new (buf, sec, 0, fragP->fr_next),
- fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL);
-
- /* Now create the unconditional branch + fixup to the
- final target. */
- fragP->fr_literal[offset + 3] = 0xdc;
- fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 8;
- }
- else if (fragP->fr_subtype == 6)
- {
- int offset = fragP->fr_fix;
- fragP->fr_literal[offset] = 0xcd;
- fix_new (fragP, fragP->fr_fix + 1, 2, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 5;
- }
- else if (fragP->fr_subtype == 7)
- {
- int offset = fragP->fr_fix;
- fragP->fr_literal[offset] = 0xdd;
- fragP->fr_literal[offset + 5] = fragP->fr_literal[offset + 3];
- fragP->fr_literal[offset + 6] = fragP->fr_literal[offset + 4];
-
- fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 7;
- }
- else if (fragP->fr_subtype == 8)
- {
- int offset = fragP->fr_fix;
- fragP->fr_literal[offset] = 0xfa;
- fragP->fr_literal[offset + 1] = 0xff;
- fix_new (fragP, fragP->fr_fix + 2, 2, fragP->fr_symbol,
- fragP->fr_offset + 2, 1, BFD_RELOC_16_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 4;
- }
- else if (fragP->fr_subtype == 9)
- {
- int offset = fragP->fr_fix;
- fragP->fr_literal[offset] = 0xfc;
- fragP->fr_literal[offset + 1] = 0xff;
-
- fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol,
- fragP->fr_offset + 2, 1, BFD_RELOC_32_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 6;
- }
- else if (fragP->fr_subtype == 10)
- {
- fragP->fr_literal[fragP->fr_fix] = 0xca;
- fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 2;
- }
- else if (fragP->fr_subtype == 11)
- {
- int offset = fragP->fr_fix;
- fragP->fr_literal[offset] = 0xcc;
-
- fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 3;
- }
- else if (fragP->fr_subtype == 12)
- {
- int offset = fragP->fr_fix;
- fragP->fr_literal[offset] = 0xdc;
-
- fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 5;
- }
- else if (fragP->fr_subtype == 13)
- {
- fix_new (fragP, fragP->fr_fix + 2, 1, fragP->fr_symbol,
- fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 3;
- }
- else if (fragP->fr_subtype == 14)
- {
- /* Reverse the condition of the first branch. */
- int offset = fragP->fr_fix;
- int opcode = fragP->fr_literal[offset + 1] & 0xff;
-
- switch (opcode)
- {
- case 0xd0:
- opcode = 0xd1;
- break;
- case 0xd1:
- opcode = 0xd0;
- break;
- case 0xd2:
- opcode = 0xdc;
- break;
- case 0xd3:
- opcode = 0xdb;
- break;
- case 0xd4:
- opcode = 0xda;
- break;
- case 0xd5:
- opcode = 0xd9;
- break;
- case 0xd6:
- opcode = 0xd8;
- break;
- case 0xd7:
- opcode = 0xdd;
- break;
- case 0xd8:
- opcode = 0xd6;
- break;
- case 0xd9:
- opcode = 0xd5;
- break;
- case 0xda:
- opcode = 0xd4;
- break;
- case 0xdb:
- opcode = 0xd3;
- break;
- case 0xdc:
- opcode = 0xd2;
- break;
- case 0xdd:
- opcode = 0xd7;
- break;
- default:
- abort ();
- }
- fragP->fr_literal[offset + 1] = opcode;
-
- /* Create a fixup for the reversed conditional branch. */
- sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++);
- fix_new (fragP, fragP->fr_fix + 2, 1,
- symbol_new (buf, sec, 0, fragP->fr_next),
- fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL);
-
- /* Now create the unconditional branch + fixup to the
- final target. */
- fragP->fr_literal[offset + 3] = 0xcc;
- fix_new (fragP, fragP->fr_fix + 4, 2, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 6;
- }
- else if (fragP->fr_subtype == 15)
- {
- /* Reverse the condition of the first branch. */
- int offset = fragP->fr_fix;
- int opcode = fragP->fr_literal[offset + 1] & 0xff;
-
- switch (opcode)
- {
- case 0xd0:
- opcode = 0xd1;
- break;
- case 0xd1:
- opcode = 0xd0;
- break;
- case 0xd2:
- opcode = 0xdc;
- break;
- case 0xd3:
- opcode = 0xdb;
- break;
- case 0xd4:
- opcode = 0xda;
- break;
- case 0xd5:
- opcode = 0xd9;
- break;
- case 0xd6:
- opcode = 0xd8;
- break;
- case 0xd7:
- opcode = 0xdd;
- break;
- case 0xd8:
- opcode = 0xd6;
- break;
- case 0xd9:
- opcode = 0xd5;
- break;
- case 0xda:
- opcode = 0xd4;
- break;
- case 0xdb:
- opcode = 0xd3;
- break;
- case 0xdc:
- opcode = 0xd2;
- break;
- case 0xdd:
- opcode = 0xd7;
- break;
- default:
- abort ();
- }
- fragP->fr_literal[offset + 1] = opcode;
-
- /* Create a fixup for the reversed conditional branch. */
- sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++);
- fix_new (fragP, fragP->fr_fix + 2, 1,
- symbol_new (buf, sec, 0, fragP->fr_next),
- fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL);
-
- /* Now create the unconditional branch + fixup to the
- final target. */
- fragP->fr_literal[offset + 3] = 0xdc;
- fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol,
- fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL);
- fragP->fr_var = 0;
- fragP->fr_fix += 8;
- }
- else
- abort ();
-}
-
-valueT
-md_section_align (seg, addr)
- asection *seg;
- valueT addr;
-{
- int align = bfd_get_section_alignment (stdoutput, seg);
- return ((addr + (1 << align) - 1) & (-1 << align));
-}
-
-void
-md_begin ()
-{
- char *prev_name = "";
- register const struct mn10300_opcode *op;
-
- mn10300_hash = hash_new ();
-
- /* Insert unique names into hash table. The MN10300 instruction set
- has many identical opcode names that have different opcodes based
- on the operands. This hash table then provides a quick index to
- the first opcode with a particular name in the opcode table. */
-
- op = mn10300_opcodes;
- while (op->name)
- {
- if (strcmp (prev_name, op->name))
- {
- prev_name = (char *) op->name;
- hash_insert (mn10300_hash, op->name, (char *) op);
- }
- op++;
- }
-
- /* Set the default machine type. */
-#ifdef TE_LINUX
- if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, AM33_2))
- as_warn (_("could not set architecture and machine"));
-
- current_machine = AM33_2;
-#else
- if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, MN103))
- as_warn (_("could not set architecture and machine"));
-
- current_machine = MN103;
-#endif
-}
-
-static symbolS *GOT_symbol;
-
-static inline int mn10300_check_fixup PARAMS ((struct mn10300_fixup *));
-static inline int mn10300_PIC_related_p PARAMS ((symbolS *));
-
-static inline int
-mn10300_PIC_related_p (sym)
- symbolS *sym;
-{
- expressionS *exp;
-
- if (! sym)
- return 0;
-
- if (sym == GOT_symbol)
- return 1;
-
- exp = symbol_get_value_expression (sym);
-
- return (exp->X_op == O_PIC_reloc
- || mn10300_PIC_related_p (exp->X_add_symbol)
- || mn10300_PIC_related_p (exp->X_op_symbol));
-}
-
-static inline int
-mn10300_check_fixup (fixup)
- struct mn10300_fixup *fixup;
-{
- expressionS *exp = &fixup->exp;
-
- repeat:
- switch (exp->X_op)
- {
- case O_add:
- case O_subtract: /* If we're sufficiently unlucky that the label
- and the expression that references it happen
- to end up in different frags, the subtract
- won't be simplified within expression(). */
- /* The PIC-related operand must be the first operand of a sum. */
- if (exp != &fixup->exp || mn10300_PIC_related_p (exp->X_op_symbol))
- return 1;
-
- if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol)
- fixup->reloc = BFD_RELOC_32_GOT_PCREL;
-
- exp = symbol_get_value_expression (exp->X_add_symbol);
- goto repeat;
-
- case O_symbol:
- if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol)
- fixup->reloc = BFD_RELOC_32_GOT_PCREL;
- break;
-
- case O_PIC_reloc:
- fixup->reloc = exp->X_md;
- exp->X_op = O_symbol;
- if (fixup->reloc == BFD_RELOC_32_PLT_PCREL
- && fixup->opindex >= 0
- && (mn10300_operands[fixup->opindex].flags
- & MN10300_OPERAND_RELAX))
- return 1;
- break;
-
- default:
- return (mn10300_PIC_related_p (exp->X_add_symbol)
- || mn10300_PIC_related_p (exp->X_op_symbol));
- }
-
- return 0;
-}
-
-void
-mn10300_cons_fix_new (frag, off, size, exp)
- fragS *frag;
- int off, size;
- expressionS *exp;
-{
- struct mn10300_fixup fixup;
-
- fixup.opindex = -1;
- fixup.exp = *exp;
- fixup.reloc = BFD_RELOC_UNUSED;
-
- mn10300_check_fixup (&fixup);
-
- if (fixup.reloc == BFD_RELOC_MN10300_GOT32)
- switch (size)
- {
- case 2:
- fixup.reloc = BFD_RELOC_MN10300_GOT16;
- break;
-
- case 3:
- fixup.reloc = BFD_RELOC_MN10300_GOT24;
- break;
-
- case 4:
- break;
-
- default:
- goto error;
- }
- else if (fixup.reloc == BFD_RELOC_UNUSED)
- switch (size)
- {
- case 1:
- fixup.reloc = BFD_RELOC_8;
- break;
-
- case 2:
- fixup.reloc = BFD_RELOC_16;
- break;
-
- case 3:
- fixup.reloc = BFD_RELOC_24;
- break;
-
- case 4:
- fixup.reloc = BFD_RELOC_32;
- break;
-
- default:
- goto error;
- }
- else if (size != 4)
- {
- error:
- as_bad (_("unsupported BFD relocation size %u"), size);
- fixup.reloc = BFD_RELOC_UNUSED;
- }
-
- fix_new_exp (frag, off, size, &fixup.exp, 0, fixup.reloc);
-}
-
-void
-md_assemble (str)
- char *str;
-{
- char *s;
- struct mn10300_opcode *opcode;
- struct mn10300_opcode *next_opcode;
- const unsigned char *opindex_ptr;
- int next_opindex, relaxable;
- unsigned long insn, extension, size = 0;
- char *f;
- int i;
- int match;
-
- /* Get the opcode. */
- for (s = str; *s != '\0' && !ISSPACE (*s); s++)
- ;
- if (*s != '\0')
- *s++ = '\0';
-
- /* Find the first opcode with the proper name. */
- opcode = (struct mn10300_opcode *) hash_find (mn10300_hash, str);
- if (opcode == NULL)
- {
- as_bad (_("Unrecognized opcode: `%s'"), str);
- return;
- }
-
- str = s;
- while (ISSPACE (*str))
- ++str;
-
- input_line_pointer = str;
-
- for (;;)
- {
- const char *errmsg;
- int op_idx;
- char *hold;
- int extra_shift = 0;
-
- errmsg = _("Invalid opcode/operands");
-
- /* Reset the array of register operands. */
- memset (mn10300_reg_operands, -1, sizeof (mn10300_reg_operands));
-
- relaxable = 0;
- fc = 0;
- match = 0;
- next_opindex = 0;
- insn = opcode->opcode;
- extension = 0;
-
- /* If the instruction is not available on the current machine
- then it can not possibly match. */
- if (opcode->machine
- && !(opcode->machine == AM33_2 && HAVE_AM33_2)
- && !(opcode->machine == AM33 && HAVE_AM33)
- && !(opcode->machine == AM30 && HAVE_AM30))
- goto error;
-
- for (op_idx = 1, opindex_ptr = opcode->operands;
- *opindex_ptr != 0;
- opindex_ptr++, op_idx++)
- {
- const struct mn10300_operand *operand;
- expressionS ex;
-
- if (next_opindex == 0)
- {
- operand = &mn10300_operands[*opindex_ptr];
- }
- else
- {
- operand = &mn10300_operands[next_opindex];
- next_opindex = 0;
- }
-
- while (*str == ' ' || *str == ',')
- ++str;
-
- if (operand->flags & MN10300_OPERAND_RELAX)
- relaxable = 1;
-
- /* Gather the operand. */
- hold = input_line_pointer;
- input_line_pointer = str;
-
- if (operand->flags & MN10300_OPERAND_PAREN)
- {
- if (*input_line_pointer != ')' && *input_line_pointer != '(')
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- input_line_pointer++;
- goto keep_going;
- }
- /* See if we can match the operands. */
- else if (operand->flags & MN10300_OPERAND_DREG)
- {
- if (!data_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- }
- else if (operand->flags & MN10300_OPERAND_AREG)
- {
- if (!address_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- }
- else if (operand->flags & MN10300_OPERAND_SP)
- {
- char *start = input_line_pointer;
- char c = get_symbol_end ();
-
- if (strcasecmp (start, "sp") != 0)
- {
- *input_line_pointer = c;
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- *input_line_pointer = c;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_RREG)
- {
- if (!r_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- }
- else if (operand->flags & MN10300_OPERAND_XRREG)
- {
- if (!xr_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- }
- else if (operand->flags & MN10300_OPERAND_FSREG)
- {
- if (!float_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- }
- else if (operand->flags & MN10300_OPERAND_FDREG)
- {
- if (!double_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- }
- else if (operand->flags & MN10300_OPERAND_FPCR)
- {
- char *start = input_line_pointer;
- char c = get_symbol_end ();
-
- if (strcasecmp (start, "fpcr") != 0)
- {
- *input_line_pointer = c;
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- *input_line_pointer = c;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_USP)
- {
- char *start = input_line_pointer;
- char c = get_symbol_end ();
-
- if (strcasecmp (start, "usp") != 0)
- {
- *input_line_pointer = c;
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- *input_line_pointer = c;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_SSP)
- {
- char *start = input_line_pointer;
- char c = get_symbol_end ();
-
- if (strcasecmp (start, "ssp") != 0)
- {
- *input_line_pointer = c;
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- *input_line_pointer = c;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_MSP)
- {
- char *start = input_line_pointer;
- char c = get_symbol_end ();
-
- if (strcasecmp (start, "msp") != 0)
- {
- *input_line_pointer = c;
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- *input_line_pointer = c;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_PC)
- {
- char *start = input_line_pointer;
- char c = get_symbol_end ();
-
- if (strcasecmp (start, "pc") != 0)
- {
- *input_line_pointer = c;
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- *input_line_pointer = c;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_EPSW)
- {
- char *start = input_line_pointer;
- char c = get_symbol_end ();
-
- if (strcasecmp (start, "epsw") != 0)
- {
- *input_line_pointer = c;
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- *input_line_pointer = c;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_PLUS)
- {
- if (*input_line_pointer != '+')
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- input_line_pointer++;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_PSW)
- {
- char *start = input_line_pointer;
- char c = get_symbol_end ();
-
- if (strcasecmp (start, "psw") != 0)
- {
- *input_line_pointer = c;
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- *input_line_pointer = c;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_MDR)
- {
- char *start = input_line_pointer;
- char c = get_symbol_end ();
-
- if (strcasecmp (start, "mdr") != 0)
- {
- *input_line_pointer = c;
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- *input_line_pointer = c;
- goto keep_going;
- }
- else if (operand->flags & MN10300_OPERAND_REG_LIST)
- {
- unsigned int value = 0;
- if (*input_line_pointer != '[')
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
-
- /* Eat the '['. */
- input_line_pointer++;
-
- /* We used to reject a null register list here; however,
- we accept it now so the compiler can emit "call"
- instructions for all calls to named functions.
-
- The linker can then fill in the appropriate bits for the
- register list and stack size or change the instruction
- into a "calls" if using "call" is not profitable. */
- while (*input_line_pointer != ']')
- {
- char *start;
- char c;
-
- if (*input_line_pointer == ',')
- input_line_pointer++;
-
- start = input_line_pointer;
- c = get_symbol_end ();
-
- if (strcasecmp (start, "d2") == 0)
- {
- value |= 0x80;
- *input_line_pointer = c;
- }
- else if (strcasecmp (start, "d3") == 0)
- {
- value |= 0x40;
- *input_line_pointer = c;
- }
- else if (strcasecmp (start, "a2") == 0)
- {
- value |= 0x20;
- *input_line_pointer = c;
- }
- else if (strcasecmp (start, "a3") == 0)
- {
- value |= 0x10;
- *input_line_pointer = c;
- }
- else if (strcasecmp (start, "other") == 0)
- {
- value |= 0x08;
- *input_line_pointer = c;
- }
- else if (HAVE_AM33
- && strcasecmp (start, "exreg0") == 0)
- {
- value |= 0x04;
- *input_line_pointer = c;
- }
- else if (HAVE_AM33
- && strcasecmp (start, "exreg1") == 0)
- {
- value |= 0x02;
- *input_line_pointer = c;
- }
- else if (HAVE_AM33
- && strcasecmp (start, "exother") == 0)
- {
- value |= 0x01;
- *input_line_pointer = c;
- }
- else if (HAVE_AM33
- && strcasecmp (start, "all") == 0)
- {
- value |= 0xff;
- *input_line_pointer = c;
- }
- else
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- }
- input_line_pointer++;
- mn10300_insert_operand (&insn, &extension, operand,
- value, (char *) NULL, 0, 0);
- goto keep_going;
-
- }
- else if (data_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- else if (address_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- else if (other_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- else if (HAVE_AM33 && r_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- else if (HAVE_AM33 && xr_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- else if (HAVE_AM33_2 && float_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- else if (HAVE_AM33_2 && double_register_name (&ex))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- else if (*str == ')' || *str == '(')
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
- else
- {
- expression (&ex);
- }
-
- switch (ex.X_op)
- {
- case O_illegal:
- errmsg = _("illegal operand");
- goto error;
- case O_absent:
- errmsg = _("missing operand");
- goto error;
- case O_register:
- {
- int mask;
-
- mask = MN10300_OPERAND_DREG | MN10300_OPERAND_AREG;
- if (HAVE_AM33)
- mask |= MN10300_OPERAND_RREG | MN10300_OPERAND_XRREG;
- if (HAVE_AM33_2)
- mask |= MN10300_OPERAND_FSREG | MN10300_OPERAND_FDREG;
- if ((operand->flags & mask) == 0)
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
-
- if (opcode->format == FMT_D1 || opcode->format == FMT_S1)
- extra_shift = 8;
- else if (opcode->format == FMT_D2
- || opcode->format == FMT_D4
- || opcode->format == FMT_S2
- || opcode->format == FMT_S4
- || opcode->format == FMT_S6
- || opcode->format == FMT_D5)
- extra_shift = 16;
- else if (opcode->format == FMT_D7)
- extra_shift = 8;
- else if (opcode->format == FMT_D8 || opcode->format == FMT_D9)
- extra_shift = 8;
- else
- extra_shift = 0;
-
- mn10300_insert_operand (&insn, &extension, operand,
- ex.X_add_number, (char *) NULL,
- 0, extra_shift);
-
- /* And note the register number in the register array. */
- mn10300_reg_operands[op_idx - 1] = ex.X_add_number;
- break;
- }
-
- case O_constant:
- /* If this operand can be promoted, and it doesn't
- fit into the allocated bitfield for this insn,
- then promote it (ie this opcode does not match). */
- if (operand->flags
- & (MN10300_OPERAND_PROMOTE | MN10300_OPERAND_RELAX)
- && !check_operand (insn, operand, ex.X_add_number))
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
-
- mn10300_insert_operand (&insn, &extension, operand,
- ex.X_add_number, (char *) NULL,
- 0, 0);
- break;
-
- default:
- /* If this operand can be promoted, then this opcode didn't
- match since we can't know if it needed promotion! */
- if (operand->flags & MN10300_OPERAND_PROMOTE)
- {
- input_line_pointer = hold;
- str = hold;
- goto error;
- }
-
- /* We need to generate a fixup for this expression. */
- if (fc >= MAX_INSN_FIXUPS)
- as_fatal (_("too many fixups"));
- fixups[fc].exp = ex;
- fixups[fc].opindex = *opindex_ptr;
- fixups[fc].reloc = BFD_RELOC_UNUSED;
- if (mn10300_check_fixup (& fixups[fc]))
- goto error;
- ++fc;
- break;
- }
-
-keep_going:
- str = input_line_pointer;
- input_line_pointer = hold;
-
- while (*str == ' ' || *str == ',')
- ++str;
-
- }
-
- /* Make sure we used all the operands! */
- if (*str != ',')
- match = 1;
-
- /* If this instruction has registers that must not match, verify
- that they do indeed not match. */
- if (opcode->no_match_operands)
- {
- int i;
-
- /* Look at each operand to see if it's marked. */
- for (i = 0; i < MN10300_MAX_OPERANDS; i++)
- {
- if ((1 << i) & opcode->no_match_operands)
- {
- int j;
-
- /* operand I is marked. Check that it does not match any
- operands > I which are marked. */
- for (j = i + 1; j < MN10300_MAX_OPERANDS; j++)
- {
- if (((1 << j) & opcode->no_match_operands)
- && mn10300_reg_operands[i] == mn10300_reg_operands[j])
- {
- errmsg = _("Invalid register specification.");
- match = 0;
- goto error;
- }
- }
- }
- }
- }
-
- error:
- if (match == 0)
- {
- next_opcode = opcode + 1;
- if (!strcmp (next_opcode->name, opcode->name))
- {
- opcode = next_opcode;
- continue;
- }
-
- as_bad ("%s", errmsg);
- return;
- }
- break;
- }
-
- while (ISSPACE (*str))
- ++str;
-
- if (*str != '\0')
- as_bad (_("junk at end of line: `%s'"), str);
-
- input_line_pointer = str;
-
- /* Determine the size of the instruction. */
- if (opcode->format == FMT_S0)
- size = 1;
-
- if (opcode->format == FMT_S1 || opcode->format == FMT_D0)
- size = 2;
-
- if (opcode->format == FMT_S2 || opcode->format == FMT_D1)
- size = 3;
-
- if (opcode->format == FMT_D6)
- size = 3;
-
- if (opcode->format == FMT_D7 || opcode->format == FMT_D10)
- size = 4;
-
- if (opcode->format == FMT_D8)
- size = 6;
-
- if (opcode->format == FMT_D9)
- size = 7;
-
- if (opcode->format == FMT_S4)
- size = 5;
-
- if (opcode->format == FMT_S6 || opcode->format == FMT_D5)
- size = 7;
-
- if (opcode->format == FMT_D2)
- size = 4;
-
- if (opcode->format == FMT_D3)
- size = 5;
-
- if (opcode->format == FMT_D4)
- size = 6;
-
- if (relaxable && fc > 0)
- {
- /* On a 64-bit host the size of an 'int' is not the same
- as the size of a pointer, so we need a union to convert
- the opindex field of the fr_cgen structure into a char *
- so that it can be stored in the frag. We do not have
- to worry about loosing accuracy as we are not going to
- be even close to the 32bit limit of the int. */
- union
- {
- int opindex;
- char * ptr;
- }
- opindex_converter;
- int type;
-
- /* We want to anchor the line info to the previous frag (if
- there isn't one, create it), so that, when the insn is
- resized, we still get the right address for the beginning of
- the region. */
- f = frag_more (0);
- dwarf2_emit_insn (0);
-
- /* bCC */
- if (size == 2)
- {
- /* Handle bra specially. Basically treat it like jmp so
- that we automatically handle 8, 16 and 32 bit offsets
- correctly as well as jumps to an undefined address.
-
- It is also important to not treat it like other bCC
- instructions since the long forms of bra is different
- from other bCC instructions. */
- if (opcode->opcode == 0xca00)
- type = 10;
- else
- type = 0;
- }
- /* call */
- else if (size == 5)
- type = 6;
- /* calls */
- else if (size == 4)
- type = 8;
- /* jmp */
- else if (size == 3 && opcode->opcode == 0xcc0000)
- type = 10;
- else if (size == 3 && (opcode->opcode & 0xfff000) == 0xf8d000)
- type = 13;
- /* bCC (uncommon cases) */
- else
- type = 3;
-
- opindex_converter.opindex = fixups[0].opindex;
- f = frag_var (rs_machine_dependent, 8, 8 - size, type,
- fixups[0].exp.X_add_symbol,
- fixups[0].exp.X_add_number,
- opindex_converter.ptr);
-
- /* This is pretty hokey. We basically just care about the
- opcode, so we have to write out the first word big endian.
-
- The exception is "call", which has two operands that we
- care about.
-
- The first operand (the register list) happens to be in the
- first instruction word, and will be in the right place if
- we output the first word in big endian mode.
-
- The second operand (stack size) is in the extension word,
- and we want it to appear as the first character in the extension
- word (as it appears in memory). Luckily, writing the extension
- word in big endian format will do what we want. */
- number_to_chars_bigendian (f, insn, size > 4 ? 4 : size);
- if (size > 8)
- {
- number_to_chars_bigendian (f + 4, extension, 4);
- number_to_chars_bigendian (f + 8, 0, size - 8);
- }
- else if (size > 4)
- number_to_chars_bigendian (f + 4, extension, size - 4);
- }
- else
- {
- /* Allocate space for the instruction. */
- f = frag_more (size);
-
- /* Fill in bytes for the instruction. Note that opcode fields
- are written big-endian, 16 & 32bit immediates are written
- little endian. Egad. */
- if (opcode->format == FMT_S0
- || opcode->format == FMT_S1
- || opcode->format == FMT_D0
- || opcode->format == FMT_D6
- || opcode->format == FMT_D7
- || opcode->format == FMT_D10
- || opcode->format == FMT_D1)
- {
- number_to_chars_bigendian (f, insn, size);
- }
- else if (opcode->format == FMT_S2
- && opcode->opcode != 0xdf0000
- && opcode->opcode != 0xde0000)
- {
- /* A format S2 instruction that is _not_ "ret" and "retf". */
- number_to_chars_bigendian (f, (insn >> 16) & 0xff, 1);
- number_to_chars_littleendian (f + 1, insn & 0xffff, 2);
- }
- else if (opcode->format == FMT_S2)
- {
- /* This must be a ret or retf, which is written entirely in
- big-endian format. */
- number_to_chars_bigendian (f, insn, 3);
- }
- else if (opcode->format == FMT_S4
- && opcode->opcode != 0xdc000000)
- {
- /* This must be a format S4 "call" instruction. What a pain. */
- unsigned long temp = (insn >> 8) & 0xffff;
- number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1);
- number_to_chars_littleendian (f + 1, temp, 2);
- number_to_chars_bigendian (f + 3, insn & 0xff, 1);
- number_to_chars_bigendian (f + 4, extension & 0xff, 1);
- }
- else if (opcode->format == FMT_S4)
- {
- /* This must be a format S4 "jmp" instruction. */
- unsigned long temp = ((insn & 0xffffff) << 8) | (extension & 0xff);
- number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1);
- number_to_chars_littleendian (f + 1, temp, 4);
- }
- else if (opcode->format == FMT_S6)
- {
- unsigned long temp = ((insn & 0xffffff) << 8)
- | ((extension >> 16) & 0xff);
- number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1);
- number_to_chars_littleendian (f + 1, temp, 4);
- number_to_chars_bigendian (f + 5, (extension >> 8) & 0xff, 1);
- number_to_chars_bigendian (f + 6, extension & 0xff, 1);
- }
- else if (opcode->format == FMT_D2
- && opcode->opcode != 0xfaf80000
- && opcode->opcode != 0xfaf00000
- && opcode->opcode != 0xfaf40000)
- {
- /* A format D2 instruction where the 16bit immediate is
- really a single 16bit value, not two 8bit values. */
- number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2);
- number_to_chars_littleendian (f + 2, insn & 0xffff, 2);
- }
- else if (opcode->format == FMT_D2)
- {
- /* A format D2 instruction where the 16bit immediate
- is really two 8bit immediates. */
- number_to_chars_bigendian (f, insn, 4);
- }
- else if (opcode->format == FMT_D3)
- {
- number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2);
- number_to_chars_littleendian (f + 2, insn & 0xffff, 2);
- number_to_chars_bigendian (f + 4, extension & 0xff, 1);
- }
- else if (opcode->format == FMT_D4)
- {
- unsigned long temp = ((insn & 0xffff) << 16) | (extension & 0xffff);
-
- number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2);
- number_to_chars_littleendian (f + 2, temp, 4);
- }
- else if (opcode->format == FMT_D5)
- {
- unsigned long temp = (((insn & 0xffff) << 16)
- | ((extension >> 8) & 0xffff));
-
- number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2);
- number_to_chars_littleendian (f + 2, temp, 4);
- number_to_chars_bigendian (f + 6, extension & 0xff, 1);
- }
- else if (opcode->format == FMT_D8)
- {
- unsigned long temp = ((insn & 0xff) << 16) | (extension & 0xffff);
-
- number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3);
- number_to_chars_bigendian (f + 3, (temp & 0xff), 1);
- number_to_chars_littleendian (f + 4, temp >> 8, 2);
- }
- else if (opcode->format == FMT_D9)
- {
- unsigned long temp = ((insn & 0xff) << 24) | (extension & 0xffffff);
-
- number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3);
- number_to_chars_littleendian (f + 3, temp, 4);
- }
-
- /* Create any fixups. */
- for (i = 0; i < fc; i++)
- {
- const struct mn10300_operand *operand;
-
- operand = &mn10300_operands[fixups[i].opindex];
- if (fixups[i].reloc != BFD_RELOC_UNUSED
- && fixups[i].reloc != BFD_RELOC_32_GOT_PCREL
- && fixups[i].reloc != BFD_RELOC_32_GOTOFF
- && fixups[i].reloc != BFD_RELOC_32_PLT_PCREL
- && fixups[i].reloc != BFD_RELOC_MN10300_GOT32)
- {
- reloc_howto_type *reloc_howto;
- int size;
- int offset;
- fixS *fixP;
-
- reloc_howto = bfd_reloc_type_lookup (stdoutput,
- fixups[i].reloc);
-
- if (!reloc_howto)
- abort ();
-
- size = bfd_get_reloc_size (reloc_howto);
-
- if (size < 1 || size > 4)
- abort ();
-
- offset = 4 - size;
- fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset,
- size, &fixups[i].exp,
- reloc_howto->pc_relative,
- fixups[i].reloc);
- }
- else
- {
- int reloc, pcrel, reloc_size, offset;
- fixS *fixP;
-
- reloc = BFD_RELOC_NONE;
- if (fixups[i].reloc != BFD_RELOC_UNUSED)
- reloc = fixups[i].reloc;
- /* How big is the reloc? Remember SPLIT relocs are
- implicitly 32bits. */
- if ((operand->flags & MN10300_OPERAND_SPLIT) != 0)
- reloc_size = 32;
- else if ((operand->flags & MN10300_OPERAND_24BIT) != 0)
- reloc_size = 24;
- else
- reloc_size = operand->bits;
-
- /* Is the reloc pc-relative? */
- pcrel = (operand->flags & MN10300_OPERAND_PCREL) != 0;
- if (reloc != BFD_RELOC_NONE)
- pcrel = bfd_reloc_type_lookup (stdoutput, reloc)->pc_relative;
-
- offset = size - (reloc_size + operand->shift) / 8;
-
- /* Choose a proper BFD relocation type. */
- if (reloc != BFD_RELOC_NONE)
- ;
- else if (pcrel)
- {
- if (reloc_size == 32)
- reloc = BFD_RELOC_32_PCREL;
- else if (reloc_size == 16)
- reloc = BFD_RELOC_16_PCREL;
- else if (reloc_size == 8)
- reloc = BFD_RELOC_8_PCREL;
- else
- abort ();
- }
- else
- {
- if (reloc_size == 32)
- reloc = BFD_RELOC_32;
- else if (reloc_size == 16)
- reloc = BFD_RELOC_16;
- else if (reloc_size == 8)
- reloc = BFD_RELOC_8;
- else
- abort ();
- }
-
- /* Convert the size of the reloc into what fix_new_exp wants. */
- reloc_size = reloc_size / 8;
- if (reloc_size == 8)
- reloc_size = 0;
- else if (reloc_size == 16)
- reloc_size = 1;
- else if (reloc_size == 32)
- reloc_size = 2;
-
- fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset,
- reloc_size, &fixups[i].exp, pcrel,
- ((bfd_reloc_code_real_type) reloc));
-
- if (pcrel)
- fixP->fx_offset += offset;
- }
- }
-
- dwarf2_emit_insn (size);
- }
-}
-
-/* If while processing a fixup, a reloc really needs to be created
- then it is done here. */
-
-arelent *
-tc_gen_reloc (seg, fixp)
- asection *seg ATTRIBUTE_UNUSED;
- fixS *fixp;
-{
- arelent *reloc;
- reloc = (arelent *) xmalloc (sizeof (arelent));
-
- 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;
- }
- reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
-
- if (fixp->fx_subsy
- && S_GET_SEGMENT (fixp->fx_subsy) == absolute_section)
- {
- fixp->fx_offset -= S_GET_VALUE (fixp->fx_subsy);
- fixp->fx_subsy = 0;
- }
-
- if (fixp->fx_addsy && fixp->fx_subsy)
- {
- reloc->sym_ptr_ptr = NULL;
-
- /* If we got a difference between two symbols, and the
- subtracted symbol is in the current section, use a
- PC-relative relocation. If both symbols are in the same
- section, the difference would have already been simplified
- to a constant. */
- if (S_GET_SEGMENT (fixp->fx_subsy) == seg)
- {
- reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
- *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
- reloc->addend = (reloc->address - S_GET_VALUE (fixp->fx_subsy)
- + fixp->fx_offset);
-
- switch (fixp->fx_r_type)
- {
- case BFD_RELOC_8:
- reloc->howto = bfd_reloc_type_lookup (stdoutput,
- BFD_RELOC_8_PCREL);
- return reloc;
-
- case BFD_RELOC_16:
- reloc->howto = bfd_reloc_type_lookup (stdoutput,
- BFD_RELOC_16_PCREL);
- return reloc;
-
- case BFD_RELOC_24:
- reloc->howto = bfd_reloc_type_lookup (stdoutput,
- BFD_RELOC_24_PCREL);
- return reloc;
-
- case BFD_RELOC_32:
- reloc->howto = bfd_reloc_type_lookup (stdoutput,
- BFD_RELOC_32_PCREL);
- return reloc;
-
- default:
- /* Try to compute the absolute value below. */
- break;
- }
- }
-
- if ((S_GET_SEGMENT (fixp->fx_addsy) != S_GET_SEGMENT (fixp->fx_subsy))
- || 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");
- }
- else
- {
- char *fixpos = fixp->fx_where + fixp->fx_frag->fr_literal;
-
- reloc->addend = (S_GET_VALUE (fixp->fx_addsy)
- - S_GET_VALUE (fixp->fx_subsy) + fixp->fx_offset);
-
- switch (fixp->fx_r_type)
- {
- case BFD_RELOC_8:
- md_number_to_chars (fixpos, reloc->addend, 1);
- break;
-
- case BFD_RELOC_16:
- md_number_to_chars (fixpos, reloc->addend, 2);
- break;
-
- case BFD_RELOC_24:
- md_number_to_chars (fixpos, reloc->addend, 3);
- break;
-
- case BFD_RELOC_32:
- md_number_to_chars (fixpos, reloc->addend, 4);
- break;
-
- default:
- reloc->sym_ptr_ptr = (asymbol **) &bfd_abs_symbol;
- return reloc;
- }
- }
-
- if (reloc->sym_ptr_ptr)
- free (reloc->sym_ptr_ptr);
- free (reloc);
- return NULL;
- }
- else
- {
- reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
- *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
- reloc->addend = fixp->fx_offset;
- }
- return reloc;
-}
-
-int
-md_estimate_size_before_relax (fragp, seg)
- fragS *fragp;
- asection *seg;
-{
- if (fragp->fr_subtype == 6
- && (!S_IS_DEFINED (fragp->fr_symbol)
- || seg != S_GET_SEGMENT (fragp->fr_symbol)))
- fragp->fr_subtype = 7;
- else if (fragp->fr_subtype == 8
- && (!S_IS_DEFINED (fragp->fr_symbol)
- || seg != S_GET_SEGMENT (fragp->fr_symbol)))
- fragp->fr_subtype = 9;
- else if (fragp->fr_subtype == 10
- && (!S_IS_DEFINED (fragp->fr_symbol)
- || seg != S_GET_SEGMENT (fragp->fr_symbol)))
- fragp->fr_subtype = 12;
-
- if (fragp->fr_subtype == 13)
- return 3;
- if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0]))
- abort ();
-
- return md_relax_table[fragp->fr_subtype].rlx_length;
-}
-
-long
-md_pcrel_from (fixp)
- fixS *fixp;
-{
- if (fixp->fx_addsy != (symbolS *) NULL && !S_IS_DEFINED (fixp->fx_addsy))
- {
- /* The symbol is undefined. Let the linker figure it out. */
- return 0;
- }
- return fixp->fx_frag->fr_address + fixp->fx_where;
-}
-
-void
-md_apply_fix (fixP, valP, seg)
- fixS * fixP;
- valueT * valP;
- segT seg;
-{
- char * fixpos = fixP->fx_where + fixP->fx_frag->fr_literal;
- int size = 0;
- int value = (int) * valP;
-
- assert (fixP->fx_r_type < BFD_RELOC_UNUSED);
-
- /* This should never happen. */
- if (seg->flags & SEC_ALLOC)
- abort ();
-
- /* The value we are passed in *valuep includes the symbol values.
- If we are doing this relocation the code in write.c is going to
- call bfd_install_relocation, which is also going to use the symbol
- value. That means that if the reloc is fully resolved we want to
- use *valuep since bfd_install_relocation is not being used.
-
- However, if the reloc is not fully resolved we do not want to use
- *valuep, and must use fx_offset instead. However, if the reloc
- is PC relative, we do want to use *valuep since it includes the
- result of md_pcrel_from. */
- if (fixP->fx_addsy != (symbolS *) NULL && ! fixP->fx_pcrel)
- value = fixP->fx_offset;
-
- /* If the fix is relative to a symbol which is not defined, or not
- in the same segment as the fix, we cannot resolve it here. */
- if (fixP->fx_addsy != NULL
- && (! S_IS_DEFINED (fixP->fx_addsy)
- || (S_GET_SEGMENT (fixP->fx_addsy) != seg)))
- {
- fixP->fx_done = 0;
- return;
- }
-
- switch (fixP->fx_r_type)
- {
- case BFD_RELOC_8:
- case BFD_RELOC_8_PCREL:
- size = 1;
- break;
-
- case BFD_RELOC_16:
- case BFD_RELOC_16_PCREL:
- size = 2;
- break;
-
- case BFD_RELOC_32:
- case BFD_RELOC_32_PCREL:
- size = 4;
- break;
-
- case BFD_RELOC_VTABLE_INHERIT:
- case BFD_RELOC_VTABLE_ENTRY:
- fixP->fx_done = 0;
- return;
-
- case BFD_RELOC_NONE:
- default:
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("Bad relocation fixup type (%d)"), fixP->fx_r_type);
- }
-
- md_number_to_chars (fixpos, value, size);
-
- /* If a symbol remains, pass the fixup, as a reloc, onto the linker. */
- if (fixP->fx_addsy == NULL)
- fixP->fx_done = 1;
-}
-
-/* Return zero if the fixup in fixp should be left alone and not
- adjusted. */
-
-bfd_boolean
-mn10300_fix_adjustable (fixp)
- struct fix *fixp;
-{
- if (! TC_RELOC_RTSYM_LOC_FIXUP (fixp))
- return 0;
-
- if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
- || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
- return 0;
-
- /* Do not adjust relocations involving symbols in code sections,
- because it breaks linker relaxations. This could be fixed in the
- linker, but this fix is simpler, and it pretty much only affects
- object size a little bit. */
- if (S_GET_SEGMENT (fixp->fx_addsy)->flags & SEC_CODE)
- return 0;
-
- /* Likewise, do not adjust symbols that won't be merged, or debug
- symbols, because they too break relaxation. We do want to adjust
- other mergable symbols, like .rodata, because code relaxations
- need section-relative symbols to properly relax them. */
- if (! (S_GET_SEGMENT(fixp->fx_addsy)->flags & SEC_MERGE))
- return 0;
- if (strncmp (S_GET_SEGMENT (fixp->fx_addsy)->name, ".debug", 6) == 0)
- return 0;
-
- return 1;
-}
-
-/* Insert an operand value into an instruction. */
-
-static void
-mn10300_insert_operand (insnp, extensionp, operand, val, file, line, shift)
- unsigned long *insnp;
- unsigned long *extensionp;
- const struct mn10300_operand *operand;
- offsetT val;
- char *file;
- unsigned int line;
- unsigned int shift;
-{
- /* No need to check 32bit operands for a bit. Note that
- MN10300_OPERAND_SPLIT is an implicit 32bit operand. */
- if (operand->bits != 32
- && (operand->flags & MN10300_OPERAND_SPLIT) == 0)
- {
- long min, max;
- offsetT test;
- int bits;
-
- bits = operand->bits;
- if (operand->flags & MN10300_OPERAND_24BIT)
- bits = 24;
-
- if ((operand->flags & MN10300_OPERAND_SIGNED) != 0)
- {
- max = (1 << (bits - 1)) - 1;
- min = - (1 << (bits - 1));
- }
- else
- {
- max = (1 << bits) - 1;
- min = 0;
- }
-
- test = val;
-
- if (test < (offsetT) min || test > (offsetT) max)
- as_warn_value_out_of_range (_("operand"), test, (offsetT) min, (offsetT) max, file, line);
- }
-
- if ((operand->flags & MN10300_OPERAND_SPLIT) != 0)
- {
- *insnp |= (val >> (32 - operand->bits)) & ((1 << operand->bits) - 1);
- *extensionp |= ((val & ((1 << (32 - operand->bits)) - 1))
- << operand->shift);
- }
- else if ((operand->flags & MN10300_OPERAND_24BIT) != 0)
- {
- *insnp |= (val >> (24 - operand->bits)) & ((1 << operand->bits) - 1);
- *extensionp |= ((val & ((1 << (24 - operand->bits)) - 1))
- << operand->shift);
- }
- else if ((operand->flags & (MN10300_OPERAND_FSREG | MN10300_OPERAND_FDREG)))
- {
- /* See devo/opcodes/m10300-opc.c just before #define FSM0 for an
- explanation of these variables. Note that FMT-implied shifts
- are not taken into account for FP registers. */
- unsigned long mask_low, mask_high;
- int shl_low, shr_high, shl_high;
-
- switch (operand->bits)
- {
- case 5:
- /* Handle regular FP registers. */
- if (operand->shift >= 0)
- {
- /* This is an `m' register. */
- shl_low = operand->shift;
- shl_high = 8 + (8 & shl_low) + (shl_low & 4) / 4;
- }
- else
- {
- /* This is an `n' register. */
- shl_low = -operand->shift;
- shl_high = shl_low / 4;
- }
-
- mask_low = 0x0f;
- mask_high = 0x10;
- shr_high = 4;
- break;
-
- case 3:
- /* Handle accumulators. */
- shl_low = -operand->shift;
- shl_high = 0;
- mask_low = 0x03;
- mask_high = 0x04;
- shr_high = 2;
- break;
-
- default:
- abort ();
- }
- *insnp |= ((((val & mask_high) >> shr_high) << shl_high)
- | ((val & mask_low) << shl_low));
- }
- else if ((operand->flags & MN10300_OPERAND_EXTENDED) == 0)
- {
- *insnp |= (((long) val & ((1 << operand->bits) - 1))
- << (operand->shift + shift));
-
- if ((operand->flags & MN10300_OPERAND_REPEATED) != 0)
- *insnp |= (((long) val & ((1 << operand->bits) - 1))
- << (operand->shift + shift + operand->bits));
- }
- else
- {
- *extensionp |= (((long) val & ((1 << operand->bits) - 1))
- << (operand->shift + shift));
-
- if ((operand->flags & MN10300_OPERAND_REPEATED) != 0)
- *extensionp |= (((long) val & ((1 << operand->bits) - 1))
- << (operand->shift + shift + operand->bits));
- }
-}
-
-static unsigned long
-check_operand (insn, operand, val)
- unsigned long insn ATTRIBUTE_UNUSED;
- const struct mn10300_operand *operand;
- offsetT val;
-{
- /* No need to check 32bit operands for a bit. Note that
- MN10300_OPERAND_SPLIT is an implicit 32bit operand. */
- if (operand->bits != 32
- && (operand->flags & MN10300_OPERAND_SPLIT) == 0)
- {
- long min, max;
- offsetT test;
- int bits;
-
- bits = operand->bits;
- if (operand->flags & MN10300_OPERAND_24BIT)
- bits = 24;
-
- if ((operand->flags & MN10300_OPERAND_SIGNED) != 0)
- {
- max = (1 << (bits - 1)) - 1;
- min = - (1 << (bits - 1));
- }
- else
- {
- max = (1 << bits) - 1;
- min = 0;
- }
-
- test = val;
-
- if (test < (offsetT) min || test > (offsetT) max)
- return 0;
- else
- return 1;
- }
- return 1;
-}
-
-static void
-set_arch_mach (mach)
- int mach;
-{
- if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, mach))
- as_warn (_("could not set architecture and machine"));
-
- current_machine = mach;
-}
-
-static inline char * mn10300_end_of_match PARAMS ((char *, char *));
-
-static inline char *
-mn10300_end_of_match (cont, what)
- char *cont, *what;
-{
- int len = strlen (what);
-
- if (strncmp (cont, what, strlen (what)) == 0
- && ! is_part_of_name (cont[len]))
- return cont + len;
-
- return NULL;
-}
-
-int
-mn10300_parse_name (name, exprP, mode, nextcharP)
- char const *name;
- expressionS *exprP;
- enum expr_mode mode;
- char *nextcharP;
-{
- char *next = input_line_pointer;
- char *next_end;
- int reloc_type;
- segT segment;
-
- exprP->X_op_symbol = NULL;
-
- if (strcmp (name, GLOBAL_OFFSET_TABLE_NAME) == 0)
- {
- if (! GOT_symbol)
- GOT_symbol = symbol_find_or_make (name);
-
- exprP->X_add_symbol = GOT_symbol;
- no_suffix:
- /* If we have an absolute symbol or a reg,
- then we know its value now. */
- segment = S_GET_SEGMENT (exprP->X_add_symbol);
- if (mode != expr_defer && segment == absolute_section)
- {
- exprP->X_op = O_constant;
- exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol);
- exprP->X_add_symbol = NULL;
- }
- else if (mode != expr_defer && segment == reg_section)
- {
- exprP->X_op = O_register;
- exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol);
- exprP->X_add_symbol = NULL;
- }
- else
- {
- exprP->X_op = O_symbol;
- exprP->X_add_number = 0;
- }
-
- return 1;
- }
-
- exprP->X_add_symbol = symbol_find_or_make (name);
-
- if (*nextcharP != '@')
- goto no_suffix;
- else if ((next_end = mn10300_end_of_match (next + 1, "GOTOFF")))
- reloc_type = BFD_RELOC_32_GOTOFF;
- else if ((next_end = mn10300_end_of_match (next + 1, "GOT")))
- reloc_type = BFD_RELOC_MN10300_GOT32;
- else if ((next_end = mn10300_end_of_match (next + 1, "PLT")))
- reloc_type = BFD_RELOC_32_PLT_PCREL;
- else
- goto no_suffix;
-
- *input_line_pointer = *nextcharP;
- input_line_pointer = next_end;
- *nextcharP = *input_line_pointer;
- *input_line_pointer = '\0';
-
- exprP->X_op = O_PIC_reloc;
- exprP->X_add_number = 0;
- exprP->X_md = reloc_type;
-
- return 1;
-}