#include <stdio.h>
#include "as.h"
#include "opcode/ns32k.h"
#include "obstack.h"
#define IIF_ENTRIES 13
#define PRIVATE_SIZE 256
#define MAX_ARGS 4
#define DEFAULT -1
#define IIF(ptr,a1,c1,e1,g1,i1,k1,m1,o1,q1,s1,u1) \
iif.iifP[ptr].type= a1; \
iif.iifP[ptr].size= c1; \
iif.iifP[ptr].object= e1; \
iif.iifP[ptr].object_adjust= g1; \
iif.iifP[ptr].pcrel= i1; \
iif.iifP[ptr].pcrel_adjust= k1; \
iif.iifP[ptr].im_disp= m1; \
iif.iifP[ptr].relax_substate= o1; \
iif.iifP[ptr].bit_fixP= q1; \
iif.iifP[ptr].addr_mode= s1; \
iif.iifP[ptr].bsr= u1;
#ifdef SEQUENT_COMPATABILITY
#define LINE_COMMENT_CHARS "|"
#define ABSOLUTE_PREFIX '@'
#define IMMEDIATE_PREFIX '#'
#endif
#ifndef LINE_COMMENT_CHARS
#define LINE_COMMENT_CHARS "#"
#endif
const char comment_chars[] = "#";
const char line_comment_chars[] = LINE_COMMENT_CHARS;
const char line_separator_chars[] = ";";
static int default_disp_size = 4;
#if !defined(ABSOLUTE_PREFIX) && !defined(IMMEDIATE_PREFIX)
#define ABSOLUTE_PREFIX '@'
#endif
struct addr_mode
{
signed char mode;
signed char scaled_mode;
char scaled_reg;
char float_flag;
char am_size;
char im_disp;
char pcrel;
char disp_suffix[2];
char *disp[2];
char index_byte;
};
typedef struct addr_mode addr_modeS;
char *freeptr, *freeptr_static;
struct hash_control *inst_hash_handle;
struct ns32k_opcode *desc;
addr_modeS addr_modeP;
const char EXP_CHARS[] = "eE";
const char FLT_CHARS[] = "fd";
struct ns32k_option
{
char *pattern;
unsigned long or;
unsigned long and;
};
typedef struct
{
int type;
int size;
unsigned long object;
int object_adjust;
int pcrel;
int pcrel_adjust;
int im_disp;
relax_substateT relax_substate;
bit_fixS *bit_fixP;
int addr_mode;
char bsr;
} iif_entryT;
struct int_ins_form
{
int instr_size;
iif_entryT iifP[IIF_ENTRIES + 1];
};
struct int_ins_form iif;
expressionS exprP;
char *input_line_pointer;
struct ns32k_option opt1[] =
{
{"r0", 0x80, 0xff},
{"r1", 0x40, 0xff},
{"r2", 0x20, 0xff},
{"r3", 0x10, 0xff},
{"r4", 0x08, 0xff},
{"r5", 0x04, 0xff},
{"r6", 0x02, 0xff},
{"r7", 0x01, 0xff},
{0, 0x00, 0xff}
};
struct ns32k_option opt2[] =
{
{"r0", 0x01, 0xff},
{"r1", 0x02, 0xff},
{"r2", 0x04, 0xff},
{"r3", 0x08, 0xff},
{"r4", 0x10, 0xff},
{"r5", 0x20, 0xff},
{"r6", 0x40, 0xff},
{"r7", 0x80, 0xff},
{0, 0x00, 0xff}
};
struct ns32k_option opt3[] =
{
{"c", 0x8, 0xff},
{"m", 0x4, 0xff},
{"f", 0x2, 0xff},
{"i", 0x1, 0xff},
{0, 0x0, 0xff}
};
struct ns32k_option opt4[] =
{
{"a", 0x4, 0xff},
{"i", 0x2, 0xff},
{"d", 0x1, 0xff},
{0, 0x0, 0xff}
};
struct ns32k_option opt5[] =
{
{"b", 0x2, 0xff},
{"u", 0xc, 0xff},
{"w", 0x4, 0xff},
{0, 0x0, 0xff}
};
struct ns32k_option opt6[] =
{
{"r0", 0x00, 0xff},
{"r1", 0x01, 0xff},
{"r2", 0x02, 0xff},
{"r3", 0x03, 0xff},
{"r4", 0x04, 0xff},
{"r5", 0x05, 0xff},
{"r6", 0x06, 0xff},
{"r7", 0x07, 0xff},
{0, 0x00, 0xff}
};
#if !defined(NS32032) && !defined(NS32532)
#define NS32532
#endif
struct ns32k_option cpureg_532[] =
{
{"us", 0x0, 0xff},
{"dcr", 0x1, 0xff},
{"bpc", 0x2, 0xff},
{"dsr", 0x3, 0xff},
{"car", 0x4, 0xff},
{"fp", 0x8, 0xff},
{"sp", 0x9, 0xff},
{"sb", 0xa, 0xff},
{"usp", 0xb, 0xff},
{"cfg", 0xc, 0xff},
{"psr", 0xd, 0xff},
{"intbase", 0xe, 0xff},
{"mod", 0xf, 0xff},
{0, 0x00, 0xff}
};
struct ns32k_option mmureg_532[] =
{
{"mcr", 0x9, 0xff},
{"msr", 0xa, 0xff},
{"tear", 0xb, 0xff},
{"ptb0", 0xc, 0xff},
{"ptb1", 0xd, 0xff},
{"ivar0", 0xe, 0xff},
{"ivar1", 0xf, 0xff},
{0, 0x0, 0xff}
};
struct ns32k_option cpureg_032[] =
{
{"upsr", 0x0, 0xff},
{"fp", 0x8, 0xff},
{"sp", 0x9, 0xff},
{"sb", 0xa, 0xff},
{"psr", 0xd, 0xff},
{"intbase", 0xe, 0xff},
{"mod", 0xf, 0xff},
{0, 0x0, 0xff}
};
struct ns32k_option mmureg_032[] =
{
{"bpr0", 0x0, 0xff},
{"bpr1", 0x1, 0xff},
{"pf0", 0x4, 0xff},
{"pf1", 0x5, 0xff},
{"sc", 0x8, 0xff},
{"msr", 0xa, 0xff},
{"bcnt", 0xb, 0xff},
{"ptb0", 0xc, 0xff},
{"ptb1", 0xd, 0xff},
{"eia", 0xf, 0xff},
{0, 0x0, 0xff}
};
#if defined(NS32532)
struct ns32k_option *cpureg = cpureg_532;
struct ns32k_option *mmureg = mmureg_532;
#else
struct ns32k_option *cpureg = cpureg_032;
struct ns32k_option *mmureg = mmureg_032;
#endif
const pseudo_typeS md_pseudo_table[] =
{
{0, 0, 0}
};
#define IND(x,y) (((x)<<2)+(y))
#define BRANCH 1
#define PCREL 2
#define BYTE 0
#define WORD 1
#define DOUBLE 2
#define UNDEF 3
const relax_typeS md_relax_table[] =
{
{1, 1, 0, 0},
{1, 1, 0, 0},
{1, 1, 0, 0},
{1, 1, 0, 0},
{(63), (-64), 1, IND (BRANCH, WORD)},
{(8192), (-8192), 2, IND (BRANCH, DOUBLE)},
{0, 0, 4, 0},
{1, 1, 0, 0}
};
char disp_test[] =
{0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 0, 0, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1};
char disp_size[] =
{4, 1, 2, 0, 4};
static void evaluate_expr PARAMS ((expressionS * resultP, char *));
static void md_number_to_disp PARAMS ((char *, long, int));
static void md_number_to_imm PARAMS ((char *, long, int));
static void md_number_to_field PARAMS ((char *, long, bit_fixS *));
static int addr_mode PARAMS ((char *, addr_modeS *, int));
static int
addr_mode (operand, addr_modeP, recursive_level)
char *operand;
addr_modeS *addr_modeP;
int recursive_level;
{
char *str;
int i;
int strl;
int mode;
int j;
mode = DEFAULT;
addr_modeP->scaled_mode = 0;
addr_modeP->scaled_reg = 0;
addr_modeP->float_flag = 0;
addr_modeP->am_size = 0;
addr_modeP->im_disp = 0;
addr_modeP->pcrel = 0;
addr_modeP->disp_suffix[0] = 0;
addr_modeP->disp_suffix[1] = 0;
addr_modeP->disp[0] = NULL;
addr_modeP->disp[1] = NULL;
str = operand;
if (str[0] == 0)
return 0;
strl = strlen (str);
switch (str[0])
{
#ifdef ABSOLUTE_PREFIX
case ABSOLUTE_PREFIX:
if (str[strl - 1] == ']')
break;
addr_modeP->mode = 21;
addr_modeP->disp[0] = str + 1;
return -1;
#endif
#ifdef IMMEDIATE_PREFIX
case IMMEDIATE_PREFIX:
if (str[strl - 1] == ']')
break;
addr_modeP->mode = 20;
addr_modeP->disp[0] = str + 1;
return -1;
#endif
case '.':
if (str[strl - 1] != ']')
{
switch (str[1])
{
case '-':
case '+':
if (str[2] != '\000')
{
addr_modeP->mode = 27;
addr_modeP->disp[0] = str + 2;
return -1;
}
default:
as_bad (_("Invalid syntax in PC-relative addressing mode"));
return 0;
}
}
break;
case 'e':
if (str[strl - 1] != ']')
{
if ((!strncmp (str, "ext(", 4)) && strl > 7)
{
addr_modeP->disp[0] = str + 4;
i = 0;
j = 2;
do
{
j += 1;
if (str[j] == '(')
i++;
if (str[j] == ')')
i--;
}
while (j < strl && i != 0);
if (i != 0 || !(str[j + 1] == '-' || str[j + 1] == '+'))
{
as_bad (_("Invalid syntax in External addressing mode"));
return (0);
}
str[j] = '\000';
addr_modeP->disp[1] = str + j + 2;
addr_modeP->mode = 22;
return -1;
}
}
break;
default:
;
}
strl = strlen (str);
switch (strl)
{
case 2:
switch (str[0])
{
case 'f':
addr_modeP->float_flag = 1;
case 'r':
if (str[1] >= '0' && str[1] < '8')
{
addr_modeP->mode = str[1] - '0';
return -1;
}
break;
default:
break;
}
case 3:
if (!strncmp (str, "tos", 3))
{
addr_modeP->mode = 23;
return -1;
}
break;
default:
break;
}
if (strl > 4)
{
if (str[strl - 1] == ')')
{
if (str[strl - 2] == ')')
{
if (!strncmp (&str[strl - 5], "(fp", 3))
mode = 16;
else if (!strncmp (&str[strl - 5], "(sp", 3))
mode = 17;
else if (!strncmp (&str[strl - 5], "(sb", 3))
mode = 18;
if (mode != DEFAULT)
{
addr_modeP->mode = mode;
j = strl - 5;
i = 0;
do
{
strl -= 1;
if (str[strl] == ')')
i++;
if (str[strl] == '(')
i--;
}
while (strl > -1 && i != 0);
if (i != 0)
{
as_bad (_("Invalid syntax in Memory Relative addressing mode"));
return (0);
}
addr_modeP->disp[1] = str;
addr_modeP->disp[0] = str + strl + 1;
str[j] = '\000';
str[strl] = '\000';
return -1;
}
}
switch (str[strl - 3])
{
case 'r':
case 'R':
if (str[strl - 2] >= '0'
&& str[strl - 2] < '8'
&& str[strl - 4] == '(')
{
addr_modeP->mode = str[strl - 2] - '0' + 8;
addr_modeP->disp[0] = str;
str[strl - 4] = 0;
return -1;
}
default:
if (!strncmp (&str[strl - 4], "(fp", 3))
mode = 24;
else if (!strncmp (&str[strl - 4], "(sp", 3))
mode = 25;
else if (!strncmp (&str[strl - 4], "(sb", 3))
mode = 26;
else if (!strncmp (&str[strl - 4], "(pc", 3))
mode = 27;
if (mode != DEFAULT)
{
addr_modeP->mode = mode;
addr_modeP->disp[0] = str;
str[strl - 4] = '\0';
return -1;
}
}
}
if (str[strl - 1] == ']')
{
switch (str[strl - 2])
{
case 'b':
mode = 28;
break;
case 'w':
mode = 29;
break;
case 'd':
mode = 30;
break;
case 'q':
mode = 31;
break;
default:
as_bad (_("Invalid scaled-indexed mode, use (b,w,d,q)"));
if (str[strl - 3] != ':' || str[strl - 6] != '['
|| str[strl - 5] == 'r' || str[strl - 4] < '0'
|| str[strl - 4] > '7')
as_bad (_("Syntax in scaled-indexed mode, use [Rn:m] where n=[0..7] m={b,w,d,q}"));
}
if (recursive_level > 0)
{
as_bad (_("Scaled-indexed addressing mode combined with scaled-index"));
return 0;
}
addr_modeP->am_size += 1;
j = str[strl - 4] - '0';
str[strl - 6] = '\000';
i = addr_mode (str, addr_modeP, 1);
if (!i || addr_modeP->mode == 20)
{
as_bad (_("Invalid or illegal addressing mode combined with scaled-index"));
return 0;
}
addr_modeP->scaled_mode = addr_modeP->mode;
addr_modeP->mode = mode;
addr_modeP->scaled_reg = j + 1;
return -1;
}
}
addr_modeP->mode = DEFAULT;
addr_modeP->disp[0] = str;
return -1;
}
static int get_addr_mode PARAMS ((char *, addr_modeS *));
static int
get_addr_mode (ptr, addr_modeP)
char *ptr;
addr_modeS *addr_modeP;
{
int tmp;
addr_mode (ptr, addr_modeP, 0);
if (addr_modeP->mode == DEFAULT || addr_modeP->scaled_mode == -1)
{
(void) evaluate_expr (&exprP, ptr);
if (addr_modeP->mode == DEFAULT)
{
if (exprP.X_add_symbol || exprP.X_op_symbol)
addr_modeP->mode = desc->default_model;
else
addr_modeP->mode = desc->default_modec;
}
else
{
if (exprP.X_add_symbol || exprP.X_op_symbol)
addr_modeP->scaled_mode = desc->default_model;
else
addr_modeP->scaled_mode = desc->default_modec;
}
}
if ((tmp = addr_modeP->scaled_reg))
{
tmp--;
tmp |= addr_modeP->scaled_mode << 3;
addr_modeP->index_byte = (char) tmp;
addr_modeP->am_size += 1;
}
assert (addr_modeP->mode >= 0);
if (disp_test[(unsigned int) addr_modeP->mode])
{
char c;
char suffix;
char suffix_sub;
int i;
char *toP;
char *fromP;
addr_modeP->pcrel = 0;
assert(addr_modeP->mode >= 0);
if (disp_test[(unsigned int) addr_modeP->mode])
{
if (addr_modeP->mode == 27 || addr_modeP->scaled_mode == 27)
addr_modeP->pcrel = 1;
addr_modeP->im_disp = 1;
for (i = 0; i < 2; i++)
{
suffix_sub = suffix = 0;
if ((toP = addr_modeP->disp[i]))
{
fromP = toP;
while ((c = *fromP++))
{
*toP++ = c;
if (c == ':')
{
switch (*fromP)
{
case '\0':
as_warn (_("Premature end of suffix -- Defaulting to d"));
suffix = 4;
continue;
case 'b':
suffix_sub = 1;
break;
case 'w':
suffix_sub = 2;
break;
case 'd':
suffix_sub = 4;
break;
default:
as_warn (_("Bad suffix after ':' use {b|w|d} Defaulting to d"));
suffix = 4;
}
fromP ++;
toP --;
if (suffix < suffix_sub)
suffix = suffix_sub;
}
}
*toP = '\0';
addr_modeP->disp_suffix[i] = suffix;
addr_modeP->am_size += suffix ? suffix : 4;
}
}
}
}
else
{
if (addr_modeP->mode == 20)
{
addr_modeP->disp_suffix[0] = addr_modeP->am_size = desc->im_size;
addr_modeP->im_disp = 0;
}
}
return addr_modeP->mode;
}
static void optlist PARAMS ((char *, struct ns32k_option *, unsigned long *));
static void
optlist (str, optionP, default_map)
char *str;
struct ns32k_option *optionP;
unsigned long *default_map;
{
int i, j, k, strlen1, strlen2;
char *patternP, *strP;
strlen1 = strlen (str);
if (strlen1 < 1)
as_fatal (_("Very short instr to option, ie you can't do it on a NULLstr"));
for (i = 0; optionP[i].pattern != 0; i++)
{
strlen2 = strlen (optionP[i].pattern);
for (j = 0; j < strlen1; j++)
{
patternP = optionP[i].pattern;
strP = &str[j];
for (k = 0; k < strlen2; k++)
{
if (*(strP++) != *(patternP++))
break;
}
if (k == strlen2)
{
*default_map |= optionP[i].or;
*default_map &= optionP[i].and;
}
}
}
}
static int list_search PARAMS ((char *, struct ns32k_option *, unsigned long *));
static int
list_search (str, optionP, default_map)
char *str;
struct ns32k_option *optionP;
unsigned long *default_map;
{
int i;
for (i = 0; optionP[i].pattern != 0; i++)
{
if (!strncmp (optionP[i].pattern, str, 20))
{
*default_map |= optionP[i].or;
*default_map &= optionP[i].and;
return -1;
}
}
as_bad (_("No such entry in list. (cpu/mmu register)"));
return 0;
}
static void
evaluate_expr (resultP, ptr)
expressionS *resultP;
char *ptr;
{
char *tmp_line;
tmp_line = input_line_pointer;
input_line_pointer = ptr;
expression (resultP);
input_line_pointer = tmp_line;
}
static void encode_operand
PARAMS ((int, char **, const char *, const char *, char, char));
static void
encode_operand (argc, argv, operandsP, suffixP, im_size, opcode_bit_ptr)
int argc;
char **argv;
const char *operandsP;
const char *suffixP;
char im_size ATTRIBUTE_UNUSED;
char opcode_bit_ptr;
{
int i, j;
char d;
int pcrel, b, loop, pcrel_adjust;
unsigned long tmp;
for (loop = 0; loop < argc; loop++)
{
i = operandsP[loop << 1] - '1';
if (i > 3)
as_fatal (_("Internal consistency error. check ns32k-opcode.h"));
pcrel = 0;
pcrel_adjust = 0;
tmp = 0;
switch ((d = operandsP[(loop << 1) + 1]))
{
case 'f':
opcode_bit_ptr -= 5;
case 'Z':
case 'F':
case 'L':
case 'I':
case 'B':
case 'W':
case 'D':
case 'A':
get_addr_mode (argv[i], &addr_modeP);
if ((addr_modeP.mode == 20) &&
(d == 'I' || d == 'Z' || d == 'A'))
as_fatal (d == 'A'? _("Address of immediate operand"):
_("Invalid immediate write operand."));
if (opcode_bit_ptr == desc->opcode_size)
b = 4;
else
b = 6;
for (j = b; j < (b + 2); j++)
{
if (addr_modeP.disp[j - b])
{
IIF (j,
2,
addr_modeP.disp_suffix[j - b],
(unsigned long) addr_modeP.disp[j - b],
0,
addr_modeP.pcrel,
iif.instr_size,
addr_modeP.im_disp,
IND (BRANCH, BYTE),
NULL,
(addr_modeP.scaled_reg ? addr_modeP.scaled_mode
: addr_modeP.mode),
0);
}
}
opcode_bit_ptr -= 5;
iif.iifP[1].object |= ((long) addr_modeP.mode) << opcode_bit_ptr;
if (addr_modeP.scaled_reg)
{
j = b / 2;
IIF (j, 1, 1, (unsigned long) addr_modeP.index_byte,
0, 0, 0, 0, 0, NULL, -1, 0);
}
break;
case 'b':
freeptr++;
sprintf (freeptr, "((%s-1)*%d)", argv[i], desc->im_size);
argv[i] = freeptr;
pcrel -= 1;
case 'p':
pcrel += 1;
case 'd':
iif.instr_size += suffixP[i] ? suffixP[i] : 4;
IIF (12, 2, suffixP[i], (unsigned long) argv[i], 0,
pcrel, pcrel_adjust, 1, IND (BRANCH, BYTE), NULL, -1, 0);
break;
case 'H':
pcrel = 1;
iif.instr_size += suffixP[i] ? suffixP[i] : 4;
IIF (12, 2, suffixP[i], (unsigned long) argv[i], 0,
pcrel, pcrel_adjust, 1, IND (BRANCH, BYTE), NULL, -1, 1);
break;
case 'q':
opcode_bit_ptr -= 4;
IIF (11, 2, 42, (unsigned long) argv[i], 0, 0, 0, 0, 0,
bit_fix_new (4, opcode_bit_ptr, -8, 7, 0, 1, 0), -1, 0);
break;
case 'r':
list_search (argv[i], opt6, &tmp);
opcode_bit_ptr -= 3;
iif.iifP[1].object |= tmp << opcode_bit_ptr;
break;
case 'O':
optlist (argv[i], opt3, &tmp);
opcode_bit_ptr -= 4;
iif.iifP[1].object |= tmp << 15;
break;
case 'C':
optlist (argv[i], opt4, &tmp);
opcode_bit_ptr -= 4;
iif.iifP[1].object |= tmp << 15;
break;
case 'S':
optlist (argv[i], opt5, &tmp);
opcode_bit_ptr -= 4;
iif.iifP[1].object |= tmp << 15;
break;
case 'u':
case 'U':
IIF (10, 1, 1, 0, 0, 0, 0, 0, 0, NULL, -1, 0);
switch (operandsP[(i << 1) + 1])
{
case 'u':
optlist (argv[i], opt1, &iif.iifP[10].object);
break;
case 'U':
optlist (argv[i], opt2, &iif.iifP[10].object);
break;
}
iif.instr_size += 1;
break;
case 'M':
list_search (argv[i], mmureg, &tmp);
opcode_bit_ptr -= 4;
iif.iifP[1].object |= tmp << opcode_bit_ptr;
break;
case 'P':
list_search (argv[i], cpureg, &tmp);
opcode_bit_ptr -= 4;
iif.iifP[1].object |= tmp << opcode_bit_ptr;
break;
case 'g':
iif.instr_size += 1;
IIF (10, 2, 1,
(unsigned long) argv[i],
0, 0, 0, 0, 0,
bit_fix_new (3, 5, 0, 7, 0, 0, 0),
-1, 0);
break;
case 'G':
IIF (11, 2, 42,
(unsigned long) argv[i],
0, 0, 0, 0, 0,
bit_fix_new (5, 0, 1, 32, -1, 0, -1), -1, 0);
break;
case 'i':
iif.instr_size += 1;
b = 2 + i;
IIF (b, 2, 1, 0, 0, 0, 0, 0, 0, 0, -1, 0);
break;
default:
as_fatal (_("Bad opcode-table-option, check in file ns32k-opcode.h"));
}
}
}
static int parse PARAMS ((const char *, int));
static int
parse (line, recursive_level)
const char *line;
int recursive_level;
{
const char *lineptr;
char c, suffix_separator;
int i;
unsigned int argc;
int arg_type;
char sqr, sep;
char suffix[MAX_ARGS], *argv[MAX_ARGS];
if (recursive_level <= 0)
{
for (lineptr = line; (*lineptr) != '\0' && (*lineptr) != ' '; lineptr++)
continue;
c = *lineptr;
*(char *) lineptr = '\0';
if (!(desc = (struct ns32k_opcode *) hash_find (inst_hash_handle, line)))
as_fatal (_("No such opcode"));
*(char *) lineptr = c;
}
else
{
lineptr = line;
}
argc = 0;
if (*desc->operands)
{
if (*lineptr++ != '\0')
{
sqr = '[';
sep = ',';
while (*lineptr != '\0')
{
if (desc->operands[argc << 1])
{
suffix[argc] = 0;
arg_type = desc->operands[(argc << 1) + 1];
switch (arg_type)
{
case 'd':
case 'b':
case 'p':
case 'H':
suffix_separator = ':';
break;
default:
suffix_separator = '\255';
break;
}
suffix[argc] = 0;
argv[argc] = freeptr;
*freeptr = '\0';
while ((c = *lineptr) != '\0' && c != sep)
{
if (c == sqr)
{
if (sqr == '[')
{
sqr = ']';
sep = '\0';
}
else
{
sqr = '[';
sep = ',';
}
}
if (c == suffix_separator)
{
switch (lineptr[1])
{
case 'b':
suffix[argc] = 1;
break;
case 'w':
suffix[argc] = 2;
break;
case 'd':
suffix[argc] = 4;
break;
default:
as_warn (_("Bad suffix, defaulting to d"));
suffix[argc] = 4;
if (lineptr[1] == '\0' || lineptr[1] == sep)
{
lineptr += 1;
continue;
}
break;
}
lineptr += 2;
continue;
}
*freeptr++ = c;
lineptr++;
}
*freeptr++ = '\0';
argc += 1;
if (*lineptr == '\0')
continue;
lineptr += 1;
}
else
{
as_fatal (_("Too many operands passed to instruction"));
}
}
}
}
if (argc != strlen (desc->operands) / 2)
{
if (strlen (desc->default_args))
{
if (parse (desc->default_args, 1) != 1)
as_fatal (_("Wrong numbers of operands in default, check ns32k-opcodes.h"));
}
else
{
as_fatal (_("Wrong number of operands"));
}
}
for (i = 0; i < IIF_ENTRIES; i++)
iif.iifP[i].type = 0;
iif.instr_size = desc->opcode_size / 8;
IIF (1, 1, iif.instr_size, desc->opcode_seed, 0, 0, 0, 0, 0, 0, -1, 0);
if (argc)
{
encode_operand (argc,
argv,
&desc->operands[0],
&suffix[0],
desc->im_size,
desc->opcode_size);
}
return recursive_level;
}
static void convert_iif PARAMS ((void));
static void
convert_iif ()
{
int i;
bit_fixS *j;
fragS *inst_frag;
unsigned int inst_offset;
char *inst_opcode;
char *memP;
int l;
int k;
char type;
char size = 0;
frag_grow (iif.instr_size);
memP = frag_more (0);
inst_opcode = memP;
inst_offset = (memP - frag_now->fr_literal);
inst_frag = frag_now;
for (i = 0; i < IIF_ENTRIES; i++)
{
if ((type = iif.iifP[i].type))
{
switch (size = iif.iifP[i].size)
{
case 42:
size = 0;
if (iif.iifP[i].bit_fixP->fx_bit_base)
iif.iifP[i].bit_fixP->fx_bit_base = (long) inst_opcode;
case 8:
case 1:
case 2:
case 3:
case 4:
memP = frag_more (size);
j = iif.iifP[i].bit_fixP;
switch (type)
{
case 1:
if (j)
{
md_number_to_field(memP, exprP.X_add_number, j);
}
else if (iif.iifP[i].pcrel)
{
fix_new_ns32k (frag_now,
(long) (memP - frag_now->fr_literal),
size,
0,
iif.iifP[i].object,
iif.iifP[i].pcrel,
iif.iifP[i].im_disp,
0,
iif.iifP[i].bsr,
inst_frag, inst_offset);
}
else
{
switch (iif.iifP[i].im_disp)
{
case 0:
md_number_to_chars (memP, iif.iifP[i].object, size);
break;
case 1:
md_number_to_disp (memP, iif.iifP[i].object, size);
break;
default:
as_fatal (_("iif convert internal pcrel/binary"));
}
}
break;
case 2:
evaluate_expr (&exprP, (char *) iif.iifP[i].object);
if (exprP.X_op == O_big || size == 8)
{
if ((k = exprP.X_add_number) > 0)
{
if (k * 2 > size)
as_bad (_("Bignum too big for long"));
if (k == 3)
memP += 2;
for (l = 0; k > 0; k--, l += 2)
md_number_to_chars (memP + l,
generic_bignum[l >> 1],
sizeof (LITTLENUM_TYPE));
}
else
{
LITTLENUM_TYPE words[4];
switch (size)
{
case 4:
gen_to_words (words, 2, 8);
md_number_to_imm (memP, (long) words[0],
sizeof (LITTLENUM_TYPE));
md_number_to_imm (memP + sizeof (LITTLENUM_TYPE),
(long) words[1],
sizeof (LITTLENUM_TYPE));
break;
case 8:
gen_to_words (words, 4, 11);
md_number_to_imm (memP, (long) words[0],
sizeof (LITTLENUM_TYPE));
md_number_to_imm (memP + sizeof (LITTLENUM_TYPE),
(long) words[1],
sizeof (LITTLENUM_TYPE));
md_number_to_imm ((memP + 2
* sizeof (LITTLENUM_TYPE)),
(long) words[2],
sizeof (LITTLENUM_TYPE));
md_number_to_imm ((memP + 3
* sizeof (LITTLENUM_TYPE)),
(long) words[3],
sizeof (LITTLENUM_TYPE));
break;
}
}
break;
}
if (exprP.X_add_symbol ||
exprP.X_op_symbol ||
iif.iifP[i].pcrel)
{
exprP.X_add_number += iif.iifP[i].object_adjust;
fix_new_ns32k_exp (frag_now,
(long) (memP - frag_now->fr_literal),
size,
&exprP,
iif.iifP[i].pcrel,
iif.iifP[i].im_disp,
j,
iif.iifP[i].bsr,
inst_frag, inst_offset);
}
else if (j)
{
md_number_to_field(memP, exprP.X_add_number, j);
}
else
{
switch (iif.iifP[i].im_disp)
{
case 0:
md_number_to_imm (memP, exprP.X_add_number, size);
break;
case 1:
md_number_to_disp (memP, exprP.X_add_number, size);
break;
default:
as_fatal (_("iif convert internal pcrel/pointer"));
}
}
break;
default:
as_fatal (_("Internal logic error in iif.iifP[n].type"));
}
break;
case 0:
{
evaluate_expr (&exprP, (char *) iif.iifP[i].object);
if ((exprP.X_add_symbol || exprP.X_op_symbol) &&
!iif.iifP[i].pcrel)
{
size = default_disp_size;
memP = frag_more (size);
fix_new_ns32k_exp (frag_now,
(long) (memP - frag_now->fr_literal),
size,
&exprP,
0,
1,
(bit_fixS *) 0, 0,
inst_frag,
inst_offset);
break;
}
if (exprP.X_add_symbol || exprP.X_op_symbol)
{
if (exprP.X_op_symbol)
{
as_fatal (_("Can't relax difference"));
}
else
{
memP = frag_more (4);
size = 0;
{
fragS *old_frag = frag_now;
frag_variant (rs_machine_dependent,
4,
0,
IND (BRANCH, UNDEF),
exprP.X_add_symbol,
exprP.X_add_number,
inst_opcode);
frag_opcode_frag (old_frag) = inst_frag;
frag_opcode_offset (old_frag) = inst_offset;
frag_bsr (old_frag) = iif.iifP[i].bsr;
}
}
}
else
{
if (-64 <= exprP.X_add_number && exprP.X_add_number <= 63)
{
size = 1;
}
else
{
if (-8192 <= exprP.X_add_number
&& exprP.X_add_number <= 8191)
{
size = 2;
}
else
{
if (-0x20000000 <= exprP.X_add_number
&& exprP.X_add_number<=0x1fffffff)
{
size = 4;
}
else
{
as_bad (_("Displacement to large for :d"));
size = 4;
}
}
}
memP = frag_more (size);
md_number_to_disp (memP, exprP.X_add_number, size);
}
}
break;
default:
as_fatal (_("Internal logic error in iif.iifP[].type"));
}
}
}
}
#ifdef BFD_ASSEMBLER
static bfd_reloc_code_real_type
reloc (int size, int pcrel, int type)
{
int length, index;
bfd_reloc_code_real_type relocs[] =
{
BFD_RELOC_NS32K_IMM_8,
BFD_RELOC_NS32K_IMM_16,
BFD_RELOC_NS32K_IMM_32,
BFD_RELOC_NS32K_IMM_8_PCREL,
BFD_RELOC_NS32K_IMM_16_PCREL,
BFD_RELOC_NS32K_IMM_32_PCREL,
BFD_RELOC_NS32K_DISP_8,
BFD_RELOC_NS32K_DISP_16,
BFD_RELOC_NS32K_DISP_32,
BFD_RELOC_NS32K_DISP_8_PCREL,
BFD_RELOC_NS32K_DISP_16_PCREL,
BFD_RELOC_NS32K_DISP_32_PCREL,
BFD_RELOC_8,
BFD_RELOC_16,
BFD_RELOC_32,
BFD_RELOC_8_PCREL,
BFD_RELOC_16_PCREL,
BFD_RELOC_32_PCREL
};
switch (size)
{
case 1:
length = 0;
break;
case 2:
length = 1;
break;
case 4:
length = 2;
break;
default:
length = -1;
break;
}
index = length + 3 * pcrel + 6 * type;
if (index >= 0 && (unsigned int) index < sizeof (relocs) / sizeof (relocs[0]))
return relocs[index];
if (pcrel)
as_bad (_("Can not do %d byte pc-relative relocation for storage type %d"),
size, type);
else
as_bad (_("Can not do %d byte relocation for storage type %d"),
size, type);
return BFD_RELOC_NONE;
}
#endif
void
md_assemble (line)
char *line;
{
freeptr = freeptr_static;
parse (line, 0);
convert_iif ();
#ifdef SHOW_NUM
printf (" \t\t\t%s\n", line);
#endif
}
void
md_begin ()
{
const struct ns32k_opcode *ptr;
const char *stat;
const struct ns32k_opcode *endop;
inst_hash_handle = hash_new ();
endop = ns32k_opcodes + sizeof (ns32k_opcodes) / sizeof (ns32k_opcodes[0]);
for (ptr = ns32k_opcodes; ptr < endop; ptr++)
{
if ((stat = hash_insert (inst_hash_handle, ptr->name, (char *) ptr)))
as_fatal (_("Can't hash %s: %s"), ptr->name, stat);
}
freeptr_static = (char *) malloc (PRIVATE_SIZE);
}
#define MAX_LITTLENUMS 6
char *
md_atof (type, litP, sizeP)
char type;
char *litP;
int *sizeP;
{
int prec;
LITTLENUM_TYPE words[MAX_LITTLENUMS];
LITTLENUM_TYPE *wordP;
char *t;
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 * sizeof (LITTLENUM_TYPE);
for (wordP = words + prec; prec--;)
{
md_number_to_chars (litP, (long) (*--wordP), sizeof (LITTLENUM_TYPE));
litP += sizeof (LITTLENUM_TYPE);
}
return 0;
}
void
md_number_to_chars (buf, value, nbytes)
char *buf;
valueT value;
int nbytes;
{
number_to_chars_littleendian (buf, value, nbytes);
}
static void
md_number_to_disp (buf, val, n)
char *buf;
long val;
char n;
{
switch (n)
{
case 1:
if (val < -64 || val > 63)
as_bad (_("value of %ld out of byte displacement range."), val);
val &= 0x7f;
#ifdef SHOW_NUM
printf ("%x ", val & 0xff);
#endif
*buf++ = val;
break;
case 2:
if (val < -8192 || val > 8191)
as_bad (_("value of %ld out of word displacement range."), val);
val &= 0x3fff;
val |= 0x8000;
#ifdef SHOW_NUM
printf ("%x ", val >> 8 & 0xff);
#endif
*buf++ = (val >> 8);
#ifdef SHOW_NUM
printf ("%x ", val & 0xff);
#endif
*buf++ = val;
break;
case 4:
if (val < -0x20000000 || val >= 0x20000000)
as_bad (_("value of %ld out of double word displacement range."), val);
val |= 0xc0000000;
#ifdef SHOW_NUM
printf ("%x ", val >> 24 & 0xff);
#endif
*buf++ = (val >> 24);
#ifdef SHOW_NUM
printf ("%x ", val >> 16 & 0xff);
#endif
*buf++ = (val >> 16);
#ifdef SHOW_NUM
printf ("%x ", val >> 8 & 0xff);
#endif
*buf++ = (val >> 8);
#ifdef SHOW_NUM
printf ("%x ", val & 0xff);
#endif
*buf++ = val;
break;
default:
as_fatal (_("Internal logic error. line %d, file \"%s\""),
__LINE__, __FILE__);
}
}
static void
md_number_to_imm (buf, val, n)
char *buf;
long val;
char n;
{
switch (n)
{
case 1:
#ifdef SHOW_NUM
printf ("%x ", val & 0xff);
#endif
*buf++ = val;
break;
case 2:
#ifdef SHOW_NUM
printf ("%x ", val >> 8 & 0xff);
#endif
*buf++ = (val >> 8);
#ifdef SHOW_NUM
printf ("%x ", val & 0xff);
#endif
*buf++ = val;
break;
case 4:
#ifdef SHOW_NUM
printf ("%x ", val >> 24 & 0xff);
#endif
*buf++ = (val >> 24);
#ifdef SHOW_NUM
printf ("%x ", val >> 16 & 0xff);
#endif
*buf++ = (val >> 16);
#ifdef SHOW_NUM
printf ("%x ", val >> 8 & 0xff);
#endif
*buf++ = (val >> 8);
#ifdef SHOW_NUM
printf ("%x ", val & 0xff);
#endif
*buf++ = val;
break;
default:
as_fatal (_("Internal logic error. line %d, file \"%s\""),
__LINE__, __FILE__);
}
}
static unsigned long l_mask[] =
{
0xffffffff, 0xfffffffe, 0xfffffffc, 0xfffffff8,
0xfffffff0, 0xffffffe0, 0xffffffc0, 0xffffff80,
0xffffff00, 0xfffffe00, 0xfffffc00, 0xfffff800,
0xfffff000, 0xffffe000, 0xffffc000, 0xffff8000,
0xffff0000, 0xfffe0000, 0xfffc0000, 0xfff80000,
0xfff00000, 0xffe00000, 0xffc00000, 0xff800000,
0xff000000, 0xfe000000, 0xfc000000, 0xf8000000,
0xf0000000, 0xe0000000, 0xc0000000, 0x80000000,
};
static unsigned long r_mask[] =
{
0x00000000, 0x00000001, 0x00000003, 0x00000007,
0x0000000f, 0x0000001f, 0x0000003f, 0x0000007f,
0x000000ff, 0x000001ff, 0x000003ff, 0x000007ff,
0x00000fff, 0x00001fff, 0x00003fff, 0x00007fff,
0x0000ffff, 0x0001ffff, 0x0003ffff, 0x0007ffff,
0x000fffff, 0x001fffff, 0x003fffff, 0x007fffff,
0x00ffffff, 0x01ffffff, 0x03ffffff, 0x07ffffff,
0x0fffffff, 0x1fffffff, 0x3fffffff, 0x7fffffff,
};
#define MASK_BITS 31
static void
md_number_to_field (buf, val, field_ptr)
char *buf;
long val;
bit_fixS *field_ptr;
{
unsigned long object;
unsigned long mask;
#ifdef ENDIAN
unsigned long *mem_ptr;
#else
char *mem_ptr;
#endif
if (field_ptr->fx_bit_min <= val && val <= field_ptr->fx_bit_max)
{
#ifdef ENDIAN
if (field_ptr->fx_bit_base)
mem_ptr = (unsigned long *) field_ptr->fx_bit_base;
else
mem_ptr = (unsigned long *) buf;
mem_ptr = ((unsigned long *)
((char *) mem_ptr + field_ptr->fx_bit_base_adj));
#else
if (field_ptr->fx_bit_base)
mem_ptr = (char *) field_ptr->fx_bit_base;
else
mem_ptr = buf;
mem_ptr += field_ptr->fx_bit_base_adj;
#endif
#ifdef ENDIAN
object = *mem_ptr;
#else
object = 0;
object |= mem_ptr[3] & 0xff;
object <<= 8;
object |= mem_ptr[2] & 0xff;
object <<= 8;
object |= mem_ptr[1] & 0xff;
object <<= 8;
object |= mem_ptr[0] & 0xff;
#endif
mask = 0;
mask |= (r_mask[field_ptr->fx_bit_offset]);
mask |= (l_mask[field_ptr->fx_bit_offset + field_ptr->fx_bit_size]);
object &= mask;
val += field_ptr->fx_bit_add;
object |= ((val << field_ptr->fx_bit_offset) & (mask ^ 0xffffffff));
#ifdef ENDIAN
*mem_ptr = object;
#else
mem_ptr[0] = (char) object;
object >>= 8;
mem_ptr[1] = (char) object;
object >>= 8;
mem_ptr[2] = (char) object;
object >>= 8;
mem_ptr[3] = (char) object;
#endif
}
else
{
as_bad (_("Bit field out of range"));
}
}
int
md_pcrel_adjust (fragP)
fragS *fragP;
{
fragS *opcode_frag;
addressT opcode_address;
unsigned int offset;
opcode_frag = frag_opcode_frag (fragP);
if (opcode_frag == 0)
return 0;
offset = frag_opcode_offset (fragP);
opcode_address = offset + opcode_frag->fr_address;
return fragP->fr_address + fragP->fr_fix - opcode_address;
}
static int md_fix_pcrel_adjust PARAMS ((fixS *fixP));
static int
md_fix_pcrel_adjust (fixP)
fixS *fixP;
{
fragS *opcode_frag;
addressT opcode_address;
unsigned int offset;
opcode_frag = fix_opcode_frag (fixP);
if (opcode_frag == 0)
return 0;
offset = fix_opcode_offset (fixP);
opcode_address = offset + opcode_frag->fr_address;
return fixP->fx_where + fixP->fx_frag->fr_address - opcode_address;
}
void
md_apply_fix3 (fixP, valP, seg)
fixS *fixP;
valueT * valP;
segT seg ATTRIBUTE_UNUSED;
{
long val = * (long *) valP;
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
if (fix_bit_fixP (fixP))
{
md_number_to_field (buf, val, fix_bit_fixP (fixP));
}
else switch (fix_im_disp (fixP))
{
case 0:
md_number_to_imm (buf, val, fixP->fx_size);
break;
case 1:
md_number_to_disp (buf,
(fixP->fx_pcrel ? val + md_fix_pcrel_adjust (fixP)
: val), fixP->fx_size);
break;
case 2:
md_number_to_chars (buf, val, fixP->fx_size);
break;
}
if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
fixP->fx_done = 1;
}
#ifndef BFD_ASSEMBLER
void
md_convert_frag (headers, sec, fragP)
object_headers *headers;
segT sec;
fragS *fragP;
#else
void
md_convert_frag (abfd, sec, fragP)
bfd *abfd ATTRIBUTE_UNUSED;
segT sec ATTRIBUTE_UNUSED;
fragS *fragP;
#endif
{
long disp;
long ext = 0;
char *buffer_address = fragP->fr_fix + fragP->fr_literal;
int object_address;
switch (fragP->fr_subtype)
{
case IND (BRANCH, BYTE):
ext = 1;
break;
case IND (BRANCH, WORD):
ext = 2;
break;
case IND (BRANCH, DOUBLE):
ext = 4;
break;
}
if (ext == 0)
return;
know (fragP->fr_symbol);
object_address = fragP->fr_fix + fragP->fr_address;
disp = (S_GET_VALUE (fragP->fr_symbol) + fragP->fr_offset) - object_address;
disp += md_pcrel_adjust (fragP);
md_number_to_disp (buffer_address, (long) disp, (int) ext);
fragP->fr_fix += ext;
}
int
md_estimate_size_before_relax (fragP, segment)
fragS *fragP;
segT segment;
{
if (fragP->fr_subtype == IND (BRANCH, UNDEF))
{
if (S_GET_SEGMENT (fragP->fr_symbol) != segment)
{
fix_new_ns32k (fragP,
(int) (fragP->fr_fix),
4,
fragP->fr_symbol,
fragP->fr_offset,
1,
1,
0,
frag_bsr(fragP),
frag_opcode_frag (fragP),
frag_opcode_offset (fragP));
fragP->fr_fix += 4;
#if 0
fragP->fr_opcode[1] = 0xff;
#endif
frag_wane (fragP);
return 4;
}
fragP->fr_subtype = IND (BRANCH, BYTE);
}
if (fragP->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0]))
abort ();
return md_relax_table[fragP->fr_subtype].rlx_length;
}
int md_short_jump_size = 3;
int md_long_jump_size = 5;
const int md_reloc_size = 8;
void
md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
char *ptr;
addressT from_addr, to_addr;
fragS *frag ATTRIBUTE_UNUSED;
symbolS *to_symbol ATTRIBUTE_UNUSED;
{
valueT offset;
offset = to_addr - from_addr;
md_number_to_chars (ptr, (valueT) 0xEA, 1);
md_number_to_disp (ptr + 1, (valueT) offset, 2);
}
void
md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
char *ptr;
addressT from_addr, to_addr;
fragS *frag ATTRIBUTE_UNUSED;
symbolS *to_symbol ATTRIBUTE_UNUSED;
{
valueT offset;
offset = to_addr - from_addr;
md_number_to_chars (ptr, (valueT) 0xEA, 1);
md_number_to_disp (ptr + 1, (valueT) offset, 4);
}
const char *md_shortopts = "m:";
struct option md_longopts[] =
{
#define OPTION_DISP_SIZE (OPTION_MD_BASE)
{"disp-size-default", required_argument , NULL, OPTION_DISP_SIZE},
{NULL, no_argument, NULL, 0}
};
size_t md_longopts_size = sizeof (md_longopts);
int
md_parse_option (c, arg)
int c;
char *arg;
{
switch (c)
{
case 'm':
if (!strcmp (arg, "32032"))
{
cpureg = cpureg_032;
mmureg = mmureg_032;
}
else if (!strcmp (arg, "32532"))
{
cpureg = cpureg_532;
mmureg = mmureg_532;
}
else
{
as_warn (_("invalid architecture option -m%s, ignored"), arg);
return 0;
}
break;
case OPTION_DISP_SIZE:
{
int size = atoi(arg);
switch (size)
{
case 1: case 2: case 4:
default_disp_size = size;
break;
default:
as_warn (_("invalid default displacement size \"%s\". Defaulting to %d."),
arg, default_disp_size);
}
break;
}
default:
return 0;
}
return 1;
}
void
md_show_usage (stream)
FILE *stream;
{
fprintf (stream, _("\
NS32K options:\n\
-m32032 | -m32532 select variant of NS32K architecture\n\
--disp-size-default=<1|2|4>\n"));
}
bit_fixS *
bit_fix_new (size, offset, min, max, add, base_type, base_adj)
char size;
char offset;
long min;
long max;
long add;
long base_type;
long base_adj;
{
bit_fixS *bit_fixP;
bit_fixP = (bit_fixS *) obstack_alloc (¬es, sizeof (bit_fixS));
bit_fixP->fx_bit_size = size;
bit_fixP->fx_bit_offset = offset;
bit_fixP->fx_bit_base = base_type;
bit_fixP->fx_bit_base_adj = base_adj;
bit_fixP->fx_bit_max = max;
bit_fixP->fx_bit_min = min;
bit_fixP->fx_bit_add = add;
return bit_fixP;
}
void
fix_new_ns32k (frag, where, size, add_symbol, offset, pcrel,
im_disp, bit_fixP, bsr, opcode_frag, opcode_offset)
fragS *frag;
int where;
int size;
symbolS *add_symbol;
long offset;
int pcrel;
char im_disp;
bit_fixS *bit_fixP;
char bsr;
fragS *opcode_frag;
unsigned int opcode_offset;
{
fixS *fixP = fix_new (frag, where, size, add_symbol,
offset, pcrel,
#ifdef BFD_ASSEMBLER
bit_fixP ? NO_RELOC : reloc (size, pcrel, im_disp)
#else
NO_RELOC
#endif
);
fix_opcode_frag (fixP) = opcode_frag;
fix_opcode_offset (fixP) = opcode_offset;
fix_im_disp (fixP) = im_disp;
fix_bsr (fixP) = bsr;
fix_bit_fixP (fixP) = bit_fixP;
fixP->fx_no_overflow = (im_disp != 0);
}
void
fix_new_ns32k_exp (frag, where, size, exp, pcrel,
im_disp, bit_fixP, bsr, opcode_frag, opcode_offset)
fragS *frag;
int where;
int size;
expressionS *exp;
int pcrel;
char im_disp;
bit_fixS *bit_fixP;
char bsr;
fragS *opcode_frag;
unsigned int opcode_offset;
{
fixS *fixP = fix_new_exp (frag, where, size, exp, pcrel,
#ifdef BFD_ASSEMBLER
bit_fixP ? NO_RELOC : reloc (size, pcrel, im_disp)
#else
NO_RELOC
#endif
);
fix_opcode_frag (fixP) = opcode_frag;
fix_opcode_offset (fixP) = opcode_offset;
fix_im_disp (fixP) = im_disp;
fix_bsr (fixP) = bsr;
fix_bit_fixP (fixP) = bit_fixP;
fixP->fx_no_overflow = (im_disp != 0);
}
void
cons_fix_new_ns32k (frag, where, size, exp)
fragS *frag;
int where;
int size;
expressionS *exp;
{
fix_new_ns32k_exp (frag, where, size, exp,
0, 2, 0, 0, 0, 0);
}
symbolS *
md_undefined_symbol (name)
char *name ATTRIBUTE_UNUSED;
{
return 0;
}
valueT
md_section_align (segment, size)
segT segment ATTRIBUTE_UNUSED;
valueT size;
{
return size;
}
long
md_pcrel_from (fixP)
fixS *fixP;
{
long res;
res = fixP->fx_where + fixP->fx_frag->fr_address;
#ifdef SEQUENT_COMPATABILITY
if (frag_bsr (fixP->fx_frag))
res += 0x12
#endif
return res;
}
#ifdef BFD_ASSEMBLER
arelent *
tc_gen_reloc (section, fixp)
asection *section ATTRIBUTE_UNUSED;
fixS *fixp;
{
arelent *rel;
bfd_reloc_code_real_type code;
code = reloc (fixp->fx_size, fixp->fx_pcrel, fix_im_disp (fixp));
rel = (arelent *) xmalloc (sizeof (arelent));
rel->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
*rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
rel->address = fixp->fx_frag->fr_address + fixp->fx_where;
if (fixp->fx_pcrel)
rel->addend = fixp->fx_addnumber;
else
rel->addend = 0;
rel->howto = bfd_reloc_type_lookup (stdoutput, code);
if (!rel->howto)
{
const char *name;
name = S_GET_NAME (fixp->fx_addsy);
if (name == NULL)
name = _("<unknown>");
as_fatal (_("Cannot find relocation type for symbol %s, code %d"),
name, (int) code);
}
return rel;
}
#else
#ifdef OBJ_AOUT
void
cons_fix_new_ns32k (where, fixP, segment_address_in_file)
char *where;
struct fix *fixP;
relax_addressT segment_address_in_file;
{
static unsigned char nbytes_r_length[] = { 42, 0, 1, 42, 2 };
long r_symbolnum;
know (fixP->fx_addsy != NULL);
md_number_to_chars (where,
fixP->fx_frag->fr_address + fixP->fx_where - segment_address_in_file,
4);
r_symbolnum = (S_IS_DEFINED (fixP->fx_addsy)
? S_GET_TYPE (fixP->fx_addsy)
: fixP->fx_addsy->sy_number);
md_number_to_chars (where + 4,
((long) (r_symbolnum)
| (long) (fixP->fx_pcrel << 24)
| (long) (nbytes_r_length[fixP->fx_size] << 25)
| (long) ((!S_IS_DEFINED (fixP->fx_addsy)) << 27)
| (long) (fix_bsr (fixP) << 28)
| (long) (fix_im_disp (fixP) << 29)),
4);
}
#endif
#endif