/* tc-z8k.c -- Assemble code for the Zilog Z800N
Copyright (C) 1992 Free Software Foundation.
-
+
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-/*
+/*
Written By Steve Chamberlain
sac@cygnus.com
*/
#include <ctype.h>
#include "listing.h"
+<<<<<<< tc-z8k.c
+char comment_chars[]=
+{'!', 0};
+char line_separator_chars[]=
+{';', 0};
+=======
const char comment_chars[] = { '!',0 };
const char line_separator_chars[] = { ';' ,0};
const char line_comment_chars[] = "";
+>>>>>>> 1.5
-extern int machine;
+extern int machine ;
extern int coff_flags;
int segmented_mode;
-int md_reloc_size ;
+int md_reloc_size;
/* This table describes all the machine specific pseudo-ops the assembler
has to support. The fields are:
Integer arg to pass to the function
*/
-void cons();
+void cons ();
-void s_segm()
+void
+s_segm ()
{
segmented_mode = 1;
machine = bfd_mach_z8001;
coff_flags = F_Z8001;
}
-void s_unseg()
+void
+s_unseg ()
{
segmented_mode = 0;
machine = bfd_mach_z8002;
coff_flags = F_Z8002;
}
-const pseudo_typeS md_pseudo_table[] =
+const pseudo_typeS md_pseudo_table[]=
{
-{ "int", cons, 2 },
-{ "data.b", cons, 1 },
-{ "data.w", cons, 2 },
-{ "data.l", cons, 4 },
-{ "form", listing_psize, 0 },
-{ "heading", listing_title, 0},
-{ "import", s_ignore, 0},
-{ "page", listing_eject, 0},
-{ "program", s_ignore, 0},
-{ "z8001", s_segm, 0},
-{ "z8002", s_unseg, 0},
-{ 0,0,0 }
+ {"int", cons, 2},
+ {"data.b", cons, 1},
+ {"data.w", cons, 2},
+ {"data.l", cons, 4},
+ {"form", listing_psize, 0},
+ {"heading", listing_title, 0},
+ {"import", s_ignore, 0},
+ {"page", listing_eject, 0},
+ {"program", s_ignore, 0},
+ {"z8001", s_segm, 0},
+ {"z8002", s_unseg, 0},
+ {0, 0, 0}
};
-const char EXP_CHARS[] = "eE";
+const char EXP_CHARS[]= "eE";
/* Chars that mean this number is a floating point constant */
/* As in 0f12.456 */
/* or 0d1.2345e12 */
+<<<<<<< tc-z8k.c
+char FLT_CHARS[]= "rRsSfFdDxXpP";
+=======
const char FLT_CHARS[] = "rRsSfFdDxXpP";
+>>>>>>> 1.5
const relax_typeS md_relax_table[1];
-void md_begin ()
+void
+md_begin ()
{
opcode_entry_type *opcode;
- char *prev_name= "";
+ char *prev_name = "";
int idx = 0;
-
- opcode_hash_control = hash_new();
-
- for (opcode = z8k_table; opcode->name; opcode++)
- {
- /* Only enter unique codes into the table */
- char *src= opcode->name;
+ opcode_hash_control = hash_new ();
- if (strcmp(opcode->name, prev_name))
+
+ for (opcode = z8k_table; opcode->name; opcode++)
{
- hash_insert(opcode_hash_control, opcode->name, (char *)opcode);
- idx++;
+ /* Only enter unique codes into the table */
+ char *src = opcode->name;
+
+ if (strcmp (opcode->name, prev_name))
+ {
+ hash_insert (opcode_hash_control, opcode->name, (char *) opcode);
+ idx++;
+ }
+ opcode->idx = idx;
+ prev_name = opcode->name;
}
- opcode->idx = idx;
- prev_name = opcode->name;
- }
-
+
+/* default to z8002 */
+s_unseg();
}
-struct z8k_exp {
- char *e_beg;
- char *e_end;
- expressionS e_exp;
+struct z8k_exp
+{
+ char *e_beg;
+ char *e_end;
+ expressionS e_exp;
};
-typedef struct z8k_op
+typedef struct z8k_op
{
- char regsize; /* 'b','w','r','q' */
- unsigned int reg; /* 0..15 */
+ char regsize; /* 'b','w','r','q' */
+ unsigned int reg; /* 0..15 */
int mode;
- unsigned int x_reg;/* any other register associated with the mode */
- expressionS exp; /* any expression */
-} op_type;
+ unsigned int x_reg; /* any other register associated with the mode */
+ expressionS exp; /* any expression */
+} op_type;
int reg[16];
int the_cc;
-char *
-DEFUN(whatreg,(reg, src),
- int *reg AND
- char *src)
+char *
+DEFUN (whatreg, (reg, src),
+ int *reg AND
+ char *src)
{
- if (isdigit(src[1]))
- {
- *reg = (src[0] - '0') * 10 +src[1] - '0';
- return src+2;
- }
+ if (isdigit (src[1]))
+ {
+ *reg = (src[0] - '0') * 10 + src[1] - '0';
+ return src + 2;
+ }
else
- {
- *reg = (src[0] - '0');
- return src+1;
- }
-return 0;
+ {
+ *reg = (src[0] - '0');
+ return src + 1;
+ }
}
/*
- parse operands
+ parse operands
rh0-rh7, rl0-rl7
r0-r15
@WREG+
@-WREG
#const
-
+
*/
/* try and parse a reg name, returns number of chars consumed */
-char*
-DEFUN(parse_reg,(src, mode, reg),
- char *src AND
- int * mode AND
- unsigned int *reg)
+char *
+DEFUN (parse_reg, (src, mode, reg),
+ char *src AND
+ int *mode AND
+ unsigned int *reg)
{
char *res = 0;
- if (src[0] == 'r')
- {
- if (src[1] == 'r')
- {
- *mode = CLASS_REG_LONG;
- res = whatreg(reg, src+2);
- }
- else if (src[1] == 'h')
- {
- *mode = CLASS_REG_BYTE;
- res = whatreg(reg, src+2);
- }
- else if (src[1] == 'l')
- {
- *mode = CLASS_REG_BYTE;
- res = whatreg(reg, src+2);
- }
- else if (src[1] == 'q')
- {
- * mode = CLASS_REG_QUAD;
- res = whatreg(reg, src+2);
- }
- else
+
+ if (src[0] == 'r')
{
- *mode = CLASS_REG_WORD;
- res = whatreg(reg, src+1);
+ if (src[1] == 'r')
+ {
+ *mode = CLASS_REG_LONG;
+ res = whatreg (reg, src + 2);
+ }
+ else if (src[1] == 'h')
+ {
+ *mode = CLASS_REG_BYTE;
+ res = whatreg (reg, src + 2);
+ }
+ else if (src[1] == 'l')
+ {
+ *mode = CLASS_REG_BYTE;
+ res = whatreg (reg, src + 2) ;
+ *reg += 8;
+ }
+ else if (src[1] == 'q')
+ {
+ *mode = CLASS_REG_QUAD;
+ res = whatreg (reg, src + 2);
+ }
+ else
+ {
+ *mode = CLASS_REG_WORD;
+ res = whatreg (reg, src + 1);
+ }
}
- }
return res;
}
char *
-DEFUN(parse_exp,(s, op),
- char *s AND
- expressionS *op)
+DEFUN (parse_exp, (s, op),
+ char *s AND
+ expressionS * op)
{
- char *save = input_line_pointer;
- char *new;
- segT seg;
- input_line_pointer = s;
- seg = expr(0,op);
- new = input_line_pointer;
- input_line_pointer = save;
- if (SEG_NORMAL(seg))
- return new;
- switch (seg) {
- case SEG_ABSOLUTE:
- case SEG_UNKNOWN:
- case SEG_DIFFERENCE:
- case SEG_BIG:
- case SEG_REGISTER:
- return new;
- case SEG_ABSENT:
- as_bad("Missing operand");
- return new;
- default:
- as_bad("Don't understand operand of type %s", segment_name (seg));
- return new;
- }
+ char *save = input_line_pointer;
+ char *new;
+ segT seg;
+
+ input_line_pointer = s;
+ seg = expr (0, op);
+ new = input_line_pointer;
+ input_line_pointer = save;
+ if (SEG_NORMAL (seg))
+ return new;
+ switch (seg)
+ {
+ case SEG_ABSOLUTE:
+ case SEG_UNKNOWN:
+ case SEG_DIFFERENCE:
+ case SEG_BIG:
+ case SEG_REGISTER:
+ return new;
+ case SEG_ABSENT:
+ as_bad ("Missing operand");
+ return new;
+ default:
+ as_bad ("Don't understand operand of type %s", segment_name (seg));
+ return new;
+ }
}
-
/* The many forms of operand:
-
+
<rb>
<r>
<rr>
<rq>
@r
- #exp
+ #exp
exp
exp(r)
r(#exp)
r(r)
-
+
*/
static
char *
-DEFUN(checkfor,(ptr, what),
- char *ptr AND
- char what)
+DEFUN (checkfor, (ptr, what),
+ char *ptr AND
+ char what)
{
-if (*ptr == what) ptr++;
-else {
-as_bad("expected %c", what);
-}
-return ptr;
+ if (*ptr == what)
+ ptr++;
+ else
+ {
+ as_bad ("expected %c", what);
+ }
+ return ptr;
}
/* Make sure the mode supplied is the size of a word */
-static void
-DEFUN(regword,(mode, string),
- int mode AND
- char *string)
+static void
+DEFUN (regword, (mode, string),
+ int mode AND
+ char *string)
{
int ok;
+
ok = CLASS_REG_WORD;
- if (ok != mode)
- {
- as_bad("register is wrong size for a word %s", string);
- }
+ if (ok != mode)
+ {
+ as_bad ("register is wrong size for a word %s", string);
+ }
}
/* Make sure the mode supplied is the size of an address */
-static void
-DEFUN(regaddr,(mode, string),
- int mode AND
- char *string)
+static void
+DEFUN (regaddr, (mode, string),
+ int mode AND
+ char *string)
{
int ok;
+
ok = segmented_mode ? CLASS_REG_LONG : CLASS_REG_WORD;
- if (ok != mode)
- {
- as_bad("register is wrong size for address %s", string);
- }
+ if (ok != mode)
+ {
+ as_bad ("register is wrong size for address %s", string);
+ }
}
-struct cc_names {
-int value;
-char *name;
+struct cc_names
+{
+ int value;
+ char *name;
};
-struct cc_names table[] =
+struct cc_names table[]=
{
- 0x0,"f",
- 0x1,"lt",
- 0x2,"le",
- 0x3,"ule",
- 0x4,"ov",
- 0x4,"pe",
- 0x5,"mi",
- 0x6,"eq",
- 0x6,"z",
- 0x7,"c",
- 0x7,"ult",
- 0x8,"t",
- 0x9,"ge",
- 0xa,"gt",
- 0xb,"ugt",
- 0xc,"nov",
- 0xc,"po",
- 0xd,"pl",
- 0xe,"ne",
- 0xe,"nz",
- 0xf,"nc",
- 0xf,"uge",
- 0,0
- };
+ 0x0, "f",
+ 0x1, "lt",
+ 0x2, "le",
+ 0x3, "ule",
+ 0x4, "ov",
+ 0x4, "pe",
+ 0x5, "mi",
+ 0x6, "eq",
+ 0x6, "z",
+ 0x7, "c",
+ 0x7, "ult",
+ 0x8, "t",
+ 0x9, "ge",
+ 0xa, "gt",
+ 0xb, "ugt",
+ 0xc, "nov",
+ 0xc, "po",
+ 0xd, "pl",
+ 0xe, "ne",
+ 0xe, "nz",
+ 0xf, "nc",
+ 0xf, "uge",
+ 0, 0
+};
static void
-DEFUN(get_cc_operand,(ptr, mode, dst),
- char **ptr AND
- struct z8k_op *mode AND
- unsigned int dst)
+DEFUN (get_cc_operand, (ptr, mode, dst),
+ char **ptr AND
+ struct z8k_op *mode AND
+ unsigned int dst)
{
char *src = *ptr;
int r;
int i;
- while (*src== ' ')
- src++;
+
+ while (*src == ' ')
+ src++;
mode->mode = CLASS_CC;
for (i = 0; table[i].name; i++)
- {
- int j;
- for (j = 0; table[i].name[j]; j++)
{
- if (table[i].name[j] != src[j])
- goto fail;
+ int j;
+
+ for (j = 0; table[i].name[j]; j++)
+ {
+ if (table[i].name[j] != src[j])
+ goto fail;
+ }
+ the_cc = table[i].value;
+ *ptr = src + j;
+ return;
+ fail:;
}
- the_cc = table[i].value;
- *ptr = src + j;
- return;
- fail:;
- }
the_cc = 0x8;
- return ;
+ return;
}
-static void
-DEFUN(get_operand,(ptr, mode, dst),
- char **ptr AND
- struct z8k_op *mode AND
- unsigned int dst)
+static void
+DEFUN (get_operand, (ptr, mode, dst),
+ char **ptr AND
+ struct z8k_op *mode AND
+ unsigned int dst)
{
char *src = *ptr;
char *end;
- unsigned int num;
- unsigned int len;
+ unsigned int num;
+ unsigned int len;
unsigned int size;
+
mode->mode = 0;
while (*src == ' ')
- src++;
- if (*src == '#')
- {
- mode->mode = CLASS_IMM;
- imm_operand = &(mode->exp);
- src = parse_exp(src+1, &(mode->exp));
- }
- else if (*src == '@') {
- int d;
- mode->mode = CLASS_IR;
- src= parse_reg(src+1, &d, &mode->reg);
- }
- else
- {
- int regn;
- end = parse_reg(src, &mode->mode, ®n);
+ src++;
+ if (*src == '#')
+ {
+ mode->mode = CLASS_IMM;
+ imm_operand = &(mode->exp);
+ src = parse_exp (src + 1, &(mode->exp));
+ }
+ else if (*src == '@')
+ {
+ int d;
- if (end)
+ mode->mode = CLASS_IR;
+ src = parse_reg (src + 1, &d, &mode->reg);
+ }
+ else
{
- int nw, nr;
- src = end;
- if (*src == '(')
- {
- src++;
- end = parse_reg(src, &nw, &nr);
- if (end)
+ int regn;
+
+ end = parse_reg (src, &mode->mode, ®n);
+
+ if (end)
{
- /* Got Ra(Rb) */
- src = end;
+ int nw, nr;
- if (*src != ')')
- {
- as_bad("Missing ) in ra(rb)");
- }
+ src = end;
+ if (*src == '(')
+ {
+ src++;
+ end = parse_reg (src, &nw, &nr);
+ if (end)
+ {
+ /* Got Ra(Rb) */
+ src = end;
+
+ if (*src != ')')
+ {
+ as_bad ("Missing ) in ra(rb)");
+ }
+ else
+ {
+ src++;
+ }
+
+ regaddr (mode->mode, "ra(rb) ra");
+ regword (mode->mode, "ra(rb) rb");
+ mode->mode = CLASS_BX;
+ mode->reg = regn;
+ mode->x_reg = nr;
+ reg[ARG_RX] = nr;
+ }
+ else
+ {
+ /* Got Ra(disp) */
+ if (*src == '#')
+ src++;
+ src = parse_exp (src, &(mode->exp));
+ src = checkfor (src, ')');
+ mode->mode = CLASS_BA;
+ mode->reg = regn;
+ mode->x_reg = 0;
+ imm_operand = &(mode->exp);
+ }
+ }
else
- {
- src++;
- }
-
- regaddr(mode->mode,"ra(rb) ra");
- regword(mode->mode,"ra(rb) rb");
- mode->mode = CLASS_BX;
- mode->reg = regn;
- mode->x_reg = nr;
- reg[ARG_RX] = nr;
+ {
+ mode->reg = regn;
+ mode->x_reg = 0;
+ }
}
- else
+ else
{
- /* Got Ra(disp) */
- if (*src == '#')
- src++;
- src = parse_exp(src, &(mode->exp));
- src = checkfor(src, ')');
- mode->mode = CLASS_BA;
- mode->reg = regn;
- mode->x_reg = 0;
- da_operand = &(mode->exp);
+ /* No initial reg */
+ src = parse_exp (src, &(mode->exp));
+ if (*src == '(')
+ {
+ src++;
+ end = parse_reg (src, &(mode->mode), ®n);
+ regword (mode->mode, "addr(Ra) ra");
+ mode->mode = CLASS_X;
+ mode->reg = regn;
+ mode->x_reg = 0;
+ da_operand = &(mode->exp);
+ src = checkfor (end, ')');
+ }
+ else
+ {
+ /* Just an address */
+ mode->mode = CLASS_DA;
+ mode->reg = 0;
+ mode->x_reg = 0;
+ da_operand = &(mode->exp);
+ }
}
- }
- else
- {
- mode->reg = regn;
- mode->x_reg = 0;
- }
}
- else
- {
- /* No initial reg */
- src = parse_exp(src, &(mode->exp));
- if (*src == '(')
- {
- src++;
- end = parse_reg(src, &(mode->mode), ®n);
- regword(mode->mode,"addr(Ra) ra");
- mode->mode = CLASS_X;
- mode->reg = regn;
- mode->x_reg =0;
- da_operand = &(mode->exp);
- src = checkfor(end, ')');
- }
- else
- {
- /* Just an address */
- mode->mode = CLASS_DA;
- mode->reg = 0;
- mode->x_reg = 0;
- da_operand = &(mode->exp);
- }
- }
- }
*ptr = src;
}
static
char *
-DEFUN(get_operands,(opcode, op_end, operand),
- opcode_entry_type *opcode AND
- char *op_end AND
- op_type *operand)
+DEFUN (get_operands, (opcode, op_end, operand),
+ opcode_entry_type * opcode AND
+ char *op_end AND
+ op_type * operand)
{
char *ptr = op_end;
- switch (opcode->noperands)
+
+ switch (opcode->noperands)
{
case 0:
operand[0].mode = 0;
operand[1].mode = 0;
break;
-
+
case 1:
ptr++;
if (opcode->arg_info[0] == CLASS_CC)
{
- get_cc_operand(&ptr, operand+0,0);
+ get_cc_operand (&ptr, operand + 0, 0);
}
- else
+ else
{
- get_operand(& ptr, operand +0,0);
+ get_operand (&ptr, operand + 0, 0);
}
- operand[1].mode =0;
+ operand[1].mode = 0;
break;
-
+
case 2:
ptr++;
- if (opcode->arg_info[0] == CLASS_CC)
+ if (opcode->arg_info[0] == CLASS_CC)
{
- get_cc_operand(&ptr, operand+0,0);
+ get_cc_operand (&ptr, operand + 0, 0);
}
else
{
- get_operand(& ptr, operand +0,0);
+ get_operand (&ptr, operand + 0, 0);
}
- if (*ptr == ',') ptr++;
- get_operand(& ptr, operand +1, 1);
+ if (*ptr == ',')
+ ptr++;
+ get_operand (&ptr, operand + 1, 1);
break;
case 3:
ptr++;
- get_operand(& ptr, operand +0,0);
- if (*ptr == ',') ptr++;
- get_operand(& ptr, operand +1, 1);
- if (*ptr == ',') ptr++;
- get_operand(& ptr, operand +2, 2);
+ get_operand (&ptr, operand + 0, 0);
+ if (*ptr == ',')
+ ptr++;
+ get_operand (&ptr, operand + 1, 1);
+ if (*ptr == ',')
+ ptr++;
+ get_operand (&ptr, operand + 2, 2);
+ break;
+
+ case 4:
+ ptr++;
+ get_operand (&ptr, operand + 0, 0);
+ if (*ptr == ',')
+ ptr++;
+ get_operand (&ptr, operand + 1, 1);
+ if (*ptr == ',')
+ ptr++;
+ get_operand (&ptr, operand + 2, 2);
+ if (*ptr == ',')
+ ptr++;
+ get_cc_operand (&ptr, operand + 3, 3);
break;
-
default:
- abort();
+ abort ();
}
-
-
- return ptr;
+
+
+ return ptr;
}
/* Passed a pointer to a list of opcodes which use different
static
opcode_entry_type *
-DEFUN(get_specific,(opcode, operands),
- opcode_entry_type *opcode AND
- op_type *operands)
+DEFUN (get_specific, (opcode, operands),
+ opcode_entry_type * opcode AND
+ op_type * operands)
{
- opcode_entry_type *this_try = opcode ;
+ opcode_entry_type *this_try = opcode;
int found = 0;
unsigned int noperands = opcode->noperands;
-
+
unsigned int dispreg;
unsigned int this_index = opcode->idx;
- while (this_index == opcode->idx && !found)
+ while (this_index == opcode->idx && !found)
{
unsigned int i;
-
- this_try = opcode ++;
- for (i = 0; i < noperands; i++)
+
+ this_try = opcode++;
+ for (i = 0; i < noperands; i++)
{
int mode = operands[i].mode;
- if ((mode&CLASS_MASK) != (this_try->arg_info[i] & CLASS_MASK))
+ if ((mode & CLASS_MASK) != (this_try->arg_info[i] & CLASS_MASK))
{
- /* it could be an pc rel operand, if this is a da mode and
+ /* it could be an pc rel operand, if this is a da mode and
we like disps, then insert it */
-
+
if (mode == CLASS_DA && this_try->arg_info[i] == CLASS_DISP)
{
/* This is the case */
operands[i].mode = CLASS_DISP;
}
- else {
+ else if (mode == CLASS_BA && this_try->arg_info[i])
+ {
/* Can't think of a way to turn what we've been given into
something that's ok */
goto fail;
}
+ else goto fail;
}
- switch (mode & CLASS_MASK) {
- default:
+ switch (mode & CLASS_MASK)
+ {
+ default:
break;
case CLASS_X:
case CLASS_IR:
case CLASS_BX:
case CLASS_DISP:
case CLASS_REG:
+ case CLASS_REG_WORD:
+ case CLASS_REG_BYTE:
+ case CLASS_REG_QUAD:
+ case CLASS_REG_LONG:
+ case CLASS_REGN0:
reg[this_try->arg_info[i] & ARG_MASK] = operands[i].reg;
break;
}
}
-
- found =1;
- fail: ;
+
+ found = 1;
+ fail:;
}
- if (found)
+ if (found)
return this_try;
- else
+ else
return 0;
}
-
+
static void
-DEFUN(check_operand,(operand, width, string),
- struct z8k_op *operand AND
- unsigned int width AND
- char *string)
+DEFUN (check_operand, (operand, width, string),
+ struct z8k_op *operand AND
+ unsigned int width AND
+ char *string)
{
- if (operand->exp.X_add_symbol == 0
+ if (operand->exp.X_add_symbol == 0
&& operand->exp.X_subtract_symbol == 0)
{
-
+
/* No symbol involved, let's look at offset, it's dangerous if any of
the high bits are not 0 or ff's, find out by oring or anding with
the width and seeing if the answer is 0 or all fs*/
if ((operand->exp.X_add_number & ~width) != 0 &&
- (operand->exp.X_add_number | width)!= (~0))
+ (operand->exp.X_add_number | width) != (~0))
{
- as_warn("operand %s0x%x out of range.", string, operand->exp.X_add_number);
+ as_warn ("operand %s0x%x out of range.", string, operand->exp.X_add_number);
}
}
-
+
}
-static void
-DEFUN(newfix,(ptr, type, operand),
- int ptr AND
- int type AND
- expressionS *operand)
+static char buffer[20];
+
+static void
+DEFUN (newfix, (ptr, type, operand),
+ int ptr AND
+ int type AND
+ expressionS * operand)
{
if (operand->X_add_symbol
|| operand->X_subtract_symbol
- || operand->X_add_number) {
- fix_new(frag_now,
- ptr,
- 1,
- operand->X_add_symbol,
- operand->X_subtract_symbol,
- operand->X_add_number,
- 0,
- type);
+ || operand->X_add_number)
+ {
+ fix_new (frag_now,
+ ptr,
+ 1,
+ operand->X_add_symbol,
+ operand->X_subtract_symbol,
+ operand->X_add_number,
+ 0,
+ type);
+ }
+}
+
+static char *
+DEFUN (apply_fix,(ptr, type, operand, size),
+ char* ptr AND
+ int type AND
+ expressionS *operand AND
+ int size)
+{
+ int n = operand->X_add_number;
+ operand->X_add_number = n;
+ newfix((ptr - buffer)/2, type, operand);
+#if 1
+ switch (size) {
+ case 8: /* 8 nibbles == 32 bits */
+ *ptr++ = n>> 28;
+ *ptr++ = n>> 24;
+ *ptr++ = n>> 20;
+ *ptr++ = n>> 16;
+ case 4: /* 4 niblles == 16 bits */
+ *ptr++ = n >> 12;
+ *ptr++ = n >> 8;
+ case 2:
+ *ptr++ = n >> 4;
+ case 1:
+ *ptr++ = n >> 0;
+ break;
}
+#endif
+ return ptr;
+
}
/* Now we know what sort of opcodes it is, lets build the bytes -
*/
-static void
- DEFUN (build_bytes,(this_try, operand),
- opcode_entry_type *this_try AND
- struct z8k_op *operand)
+#define INSERT(x,y) *x++ = y>>24; *x++ = y>> 16; *x++=y>>8; *x++ =y;
+static void
+DEFUN (build_bytes, (this_try, operand),
+ opcode_entry_type * this_try AND
+ struct z8k_op *operand)
{
unsigned int i;
- char buffer[20];
+
int length;
char *output;
char *output_ptr = buffer;
int nib;
int nibble;
unsigned short *class_ptr;
- memset(buffer, 20, 0);
+ frag_wane (frag_now);
+ frag_new (0);
+
+ memset (buffer, 20, 0);
class_ptr = this_try->byte_info;
- top: ;
+ top:;
for (nibble = 0; c = *class_ptr++; nibble++)
{
- switch (c & CLASS_MASK)
+ switch (c & CLASS_MASK)
{
default:
- abort();
+ abort ();
case CLASS_ADDRESS:
/* Direct address, we don't cope with the SS mode right now */
- if (segmented_mode) {
- newfix((output_ptr-buffer)/2, R_DA | R_SEG, da_operand);
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
+ if (segmented_mode)
+ {
+ output_ptr = apply_fix (output_ptr , R_DA | R_SEG, da_operand, 8);
}
- else {
- newfix((output_ptr-buffer)/2, R_DA, da_operand);
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
+ else
+ {
+ output_ptr = apply_fix(output_ptr, R_DA, da_operand, 4);
}
da_operand = 0;
break;
case CLASS_DISP8:
/* pc rel 8 bit */
- newfix((output_ptr-buffer)/2, R_JR, da_operand);
+output_ptr = apply_fix (output_ptr, R_JR, da_operand, 2);
da_operand = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
+
break;
case CLASS_CC:
*output_ptr++ = c & 0xf;
break;
case CLASS_REGN0:
- if (reg[c&0xf] == 0)
+ if (reg[c & 0xf] == 0)
{
- as_bad("can't use R0 here");
+ as_bad ("can't use R0 here");
}
case CLASS_REG:
case CLASS_REG_BYTE:
case CLASS_REG_QUAD:
/* Insert bit mattern of
right reg */
- *output_ptr++ = reg[c & 0xf];
+ *output_ptr++ = reg[c & 0xf];
break;
case CLASS_DISP:
- newfix((output_ptr-buffer)/2, R_DA, da_operand);
- da_operand= 0;
- output_ptr += 4;
+ output_ptr = apply_fix (output_ptr, R_DA, da_operand, 4);
+ da_operand = 0;
break;
case CLASS_IMM:
{
switch (c & ARG_MASK)
{
case ARG_IMM4:
- *output_ptr ++ = imm_operand->X_add_number;
- imm_operand->X_add_number = 0;
- newfix((output_ptr-buffer)/2, R_IMM4L, imm_operand);
+ output_ptr = apply_fix (output_ptr, R_IMM4L, imm_operand, 1);
+ break;
+ case ARG_IMM4M1:
+ imm_operand->X_add_number--;
+ output_ptr = apply_fix (output_ptr, R_IMM4L, imm_operand, 1);
break;
case ARG_IMMNMINUS1:
- imm_operand->X_add_number --;
- newfix((output_ptr-buffer)/2, R_IMM4L, imm_operand);
- *output_ptr++ = 0;
+ imm_operand->X_add_number--;
+ output_ptr = apply_fix (output_ptr, R_IMM4L, imm_operand,1);
break;
- case ARG_IMM8:
- newfix((output_ptr-buffer)/2, R_IMM8, imm_operand);
- *output_ptr++ = 0;
- *output_ptr++ = 0;
-
- case ARG_NIM16:
- imm_operand->X_add_number = - imm_operand->X_add_number;
- newfix((output_ptr-buffer)/2, R_DA, imm_operand);
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
+ case ARG_NIM8:
+ imm_operand->X_add_number = -imm_operand->X_add_number;
+ case ARG_IMM8:
+ output_ptr = apply_fix (output_ptr , R_IMM8, imm_operand, 2);
break;
- case ARG_IMM16:
- {
- int n = imm_operand->X_add_number ;
- imm_operand->X_add_number = 0;
- newfix((output_ptr-buffer)/2, R_DA, imm_operand);
- *output_ptr++ = n>>24;
- *output_ptr++ = n>>16;
- *output_ptr++ = n>>8;
- *output_ptr++ = n;
- }
+ case ARG_IMM16:
+ output_ptr= apply_fix(output_ptr, R_DA, imm_operand, 4);
break;
- case ARG_IMM32:
- newfix((output_ptr-buffer)/2, R_IMM32, imm_operand);
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
-
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
- *output_ptr++ = 0;
-
+ case ARG_IMM32:
+ output_ptr = apply_fix (output_ptr, R_IMM32, imm_operand, 8);
break;
default:
- abort();
-
-
+ abort ();
}
}
}
/* Copy from the nibble buffer into the frag */
{
- int length = (output_ptr - buffer) / 2 ;
+ int length = (output_ptr - buffer) / 2;
char *src = buffer;
- char *fragp = frag_more(length);
- frag_wane(frag_now);
- frag_new(0);
- while (src < output_ptr)
+ char *fragp = frag_more (length);
+
+ while (src < output_ptr)
{
*fragp = (src[0] << 4) | src[1];
- src+=2;
+ src += 2;
fragp++;
}
-
+
}
}
-void
- DEFUN(md_assemble,(str),
- char *str)
+void
+DEFUN (md_assemble, (str),
+ char *str)
{
char *op_start;
char *op_end;
unsigned int i;
- struct z8k_op operand[3];
+ struct z8k_op operand[3];
opcode_entry_type *opcode;
- opcode_entry_type * prev_opcode;
-
+ opcode_entry_type *prev_opcode;
+
char *dot = 0;
- char c;
+ char c;
+
/* Drop leading whitespace */
while (*str == ' ')
- str++;
-
+ str++;
+
/* find the op code end */
for (op_start = op_end = str;
*op_end != 0 && *op_end != ' ';
- op_end ++)
- {
- }
-
+ op_end++)
+ {
+ }
+
;
-
- if (op_end == op_start)
- {
- as_bad("can't find opcode ");
- }
+
+ if (op_end == op_start)
+ {
+ as_bad ("can't find opcode ");
+ }
c = *op_end;
-
+
*op_end = 0;
-
- opcode = (opcode_entry_type *) hash_find(opcode_hash_control,
- op_start);
-
- if (opcode == NULL)
- {
- as_bad("unknown opcode");
- return;
- }
-
- input_line_pointer = get_operands(opcode, op_end,
- operand);
+ opcode = (opcode_entry_type *) hash_find (opcode_hash_control,
+ op_start);
+
+ if (opcode == NULL)
+ {
+ as_bad ("unknown opcode");
+ return;
+ }
+
+
+ input_line_pointer = get_operands (opcode, op_end,
+ operand);
*op_end = c;
prev_opcode = opcode;
-
- opcode = get_specific(opcode, operand);
-
- if (opcode == 0)
- {
- /* Couldn't find an opcode which matched the operands */
- char *where =frag_more(2);
- where[0] = 0x0;
- where[1] = 0x0;
- as_bad("Can't find opcode to match operands");
- return;
- }
-
- build_bytes(opcode, operand);
-}
+ opcode = get_specific (opcode, operand);
+ if (opcode == 0)
+ {
+ /* Couldn't find an opcode which matched the operands */
+ char *where = frag_more (2);
-void
- DEFUN(tc_crawl_symbol_chain, (headers),
- object_headers *headers)
+ where[0] = 0x0;
+ where[1] = 0x0;
+
+ as_bad ("Can't find opcode to match operands");
+ return;
+ }
+
+ build_bytes (opcode, operand);
+}
+
+void
+DEFUN (tc_crawl_symbol_chain, (headers),
+ object_headers * headers)
{
- printf("call to tc_crawl_symbol_chain \n");
+ printf ("call to tc_crawl_symbol_chain \n");
}
-symbolS *DEFUN(md_undefined_symbol,(name),
- char *name)
+symbolS *
+DEFUN (md_undefined_symbol, (name),
+ char *name)
{
- return 0;
+ return 0;
}
-void
- DEFUN(tc_headers_hook,(headers),
- object_headers *headers)
+void
+DEFUN (tc_headers_hook, (headers),
+ object_headers * headers)
{
- printf("call to tc_headers_hook \n");
+ printf ("call to tc_headers_hook \n");
}
+
void
- DEFUN_VOID(md_end)
+DEFUN_VOID (md_end)
{
}
emitted is stored in *sizeP . An error message is returned, or NULL on OK.
*/
char *
- md_atof(type,litP,sizeP)
-char type;
-char *litP;
-int *sizeP;
+md_atof (type, litP, sizeP)
+ char type;
+ char *litP;
+ int *sizeP;
{
- int prec;
- LITTLENUM_TYPE words[MAX_LITTLENUMS];
- LITTLENUM_TYPE *wordP;
- char *t;
- char *atof_ieee();
-
- switch(type) {
- case 'f':
- case 'F':
- case 's':
- case 'S':
- prec = 2;
- break;
-
- case 'd':
- case 'D':
- case 'r':
- case 'R':
- prec = 4;
- break;
-
- case 'x':
- case 'X':
- prec = 6;
- break;
-
- case 'p':
- case 'P':
- prec = 6;
- break;
-
- default:
- *sizeP=0;
- return "Bad call to MD_ATOF()";
- }
- t=atof_ieee(input_line_pointer,type,words);
- if(t)
- input_line_pointer=t;
-
- *sizeP=prec * sizeof(LITTLENUM_TYPE);
- for(wordP=words;prec--;) {
- md_number_to_chars(litP,(long)(*wordP++),sizeof(LITTLENUM_TYPE));
- litP+=sizeof(LITTLENUM_TYPE);
- }
- return ""; /* Someone should teach Dean about null pointers */
+ int prec;
+ LITTLENUM_TYPE words[MAX_LITTLENUMS];
+ LITTLENUM_TYPE *wordP;
+ char *t;
+ char *atof_ieee ();
+
+ switch (type)
+ {
+ case 'f':
+ case 'F':
+ case 's':
+ case 'S':
+ prec = 2;
+ break;
+
+ case 'd':
+ case 'D':
+ case 'r':
+ case 'R':
+ prec = 4;
+ break;
+
+ case 'x':
+ case 'X':
+ prec = 6;
+ break;
+
+ case 'p':
+ case 'P':
+ prec = 6;
+ break;
+
+ default:
+ *sizeP = 0;
+ return "Bad call to MD_ATOF()";
+ }
+ t = atof_ieee (input_line_pointer, type, words);
+ if (t)
+ input_line_pointer = t;
+
+ *sizeP = prec * sizeof (LITTLENUM_TYPE);
+ for (wordP = words; prec--;)
+ {
+ md_number_to_chars (litP, (long) (*wordP++), sizeof (LITTLENUM_TYPE));
+ litP += sizeof (LITTLENUM_TYPE);
+ }
+ return ""; /* Someone should teach Dean about null pointers */
}
int
- md_parse_option(argP, cntP, vecP)
-char **argP;
-int *cntP;
-char ***vecP;
+md_parse_option (argP, cntP, vecP)
+ char **argP;
+ int *cntP;
+ char ***vecP;
{
- return 0;
-
+ return 0;
+
}
int md_short_jump_size;
-void tc_aout_fix_to_chars () { printf("call to tc_aout_fix_to_chars \n");
- abort(); }
-void md_create_short_jump(ptr, from_addr, to_addr, frag, to_symbol)
-char *ptr;
-long from_addr;
-long to_addr;
-fragS *frag;
-symbolS *to_symbol;
+void
+tc_aout_fix_to_chars ()
{
- as_fatal("failed sanity check.");
+ printf ("call to tc_aout_fix_to_chars \n");
+ abort ();
+}
+
+void
+md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
+ char *ptr;
+ long from_addr;
+ long to_addr;
+ fragS *frag;
+ symbolS *to_symbol;
+{
+ as_fatal ("failed sanity check.");
}
void
- md_create_long_jump(ptr,from_addr,to_addr,frag,to_symbol)
-char *ptr;
-long from_addr, to_addr;
-fragS *frag;
-symbolS *to_symbol;
+md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
+ char *ptr;
+ long from_addr, to_addr;
+ fragS *frag;
+ symbolS *to_symbol;
{
- as_fatal("failed sanity check.");
+ as_fatal ("failed sanity check.");
}
void
- md_convert_frag(headers, fragP)
-object_headers *headers;
-fragS * fragP;
+md_convert_frag (headers, fragP)
+ object_headers *headers;
+ fragS *fragP;
-{ printf("call to md_convert_frag \n"); abort(); }
+{
+ printf ("call to md_convert_frag \n");
+ abort ();
+}
long
- DEFUN(md_section_align,(seg, size),
- segT seg AND
- long size)
+DEFUN (md_section_align, (seg, size),
+ segT seg AND
+ long size)
{
- return((size + (1 << section_alignment[(int) seg]) - 1) & (-1 << section_alignment[(int) seg]));
-
+ return ((size + (1 << section_alignment[(int) seg]) - 1) & (-1 << section_alignment[(int) seg]));
+
}
void
- md_apply_fix(fixP, val)
-fixS *fixP;
-long val;
+md_apply_fix (fixP, val)
+ fixS *fixP;
+ long val;
{
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
-
- switch(fixP->fx_r_type) {
- case R_IMM4L:
- buf[0] = (buf[0] & 0xf0) | ((buf[0] + val) & 0xf);
- break;
- case R_JR:
+ switch (fixP->fx_r_type)
+ {
+ case R_IMM4L:
+ buf[0] = (buf[0] & 0xf0) | ((buf[0] + val) & 0xf);
+ break;
- *buf++= val;
+ case R_JR:
+
+ *buf++ = val;
/* if (val != 0) abort();*/
- break;
+ break;
- case R_IMM8:
- buf[0] += val;
- break;
- break;
- case R_DA:
- *buf++=(val>>8);
- *buf++=val;
- break;
- case R_IMM32:
- *buf++=(val>>24);
- *buf++=(val>>16);
- *buf++=(val>>8);
- *buf++=val;
- break;
- case R_DA | R_SEG:
- *buf++ = (val>>16);
- *buf++ = 0x00;
- *buf++ = (val>>8);
- *buf++ = val;
- break;
- default:
- abort();
-
- }
+ case R_IMM8:
+ buf[0] += val;
+ break;
+ break;
+ case R_DA:
+ *buf++ = (val >> 8);
+ *buf++ = val;
+ break;
+ case R_IMM32:
+ *buf++ = (val >> 24);
+ *buf++ = (val >> 16);
+ *buf++ = (val >> 8);
+ *buf++ = val;
+ break;
+ case R_DA | R_SEG:
+ *buf++ = (val >> 16);
+ *buf++ = 0x00;
+ *buf++ = (val >> 8);
+ *buf++ = val;
+ break;
+ default:
+ abort ();
+
+ }
}
-void DEFUN(md_operand, (expressionP),expressionS *expressionP)
-{ }
+void
+DEFUN (md_operand, (expressionP), expressionS * expressionP)
+{
+}
-int md_long_jump_size;
+int md_long_jump_size;
int
- md_estimate_size_before_relax(fragP, segment_type)
-register fragS *fragP;
-register segT segment_type;
-{
- printf("call tomd_estimate_size_before_relax \n"); abort(); }
+md_estimate_size_before_relax (fragP, segment_type)
+ register fragS *fragP;
+ register segT segment_type;
+{
+ printf ("call tomd_estimate_size_before_relax \n");
+ abort ();
+}
+
/* Put number into target byte order */
-void DEFUN(md_number_to_chars,(ptr, use, nbytes),
- char *ptr AND
- long use AND
- int nbytes)
+void
+DEFUN (md_number_to_chars, (ptr, use, nbytes),
+ char *ptr AND
+ long use AND
+ int nbytes)
{
- switch (nbytes) {
- case 4: *ptr++ = (use >> 24) & 0xff;
- case 3: *ptr++ = (use >> 16) & 0xff;
- case 2: *ptr++ = (use >> 8) & 0xff;
- case 1: *ptr++ = (use >> 0) & 0xff;
- break;
- default:
- abort();
- }
+ switch (nbytes)
+ {
+ case 4:*ptr++ = (use >> 24) & 0xff;
+ case 3:
+ *ptr++ = (use >> 16) & 0xff;
+ case 2:
+ *ptr++ = (use >> 8) & 0xff;
+ case 1:
+ *ptr++ = (use >> 0) & 0xff;
+ break;
+ default:
+ abort ();
+ }
+}
+long
+md_pcrel_from (fixP)
+ fixS *fixP;
+{
+ abort ();
}
-long md_pcrel_from(fixP)
-fixS *fixP; { abort(); }
-void tc_coff_symbol_emit_hook() { }
+void
+tc_coff_symbol_emit_hook ()
+{
+}
-void tc_reloc_mangle(fix_ptr, intr, base)
-fixS *fix_ptr;
-struct internal_reloc *intr;
-bfd_vma base;
+void
+tc_reloc_mangle (fix_ptr, intr, base)
+ fixS *fix_ptr;
+ struct internal_reloc *intr;
+ bfd_vma base;
{
symbolS *symbol_ptr;
-
+
symbol_ptr = fix_ptr->fx_addsy;
-
+
/* If this relocation is attached to a symbol then it's ok
to output it */
- if (fix_ptr->fx_r_type == RELOC_32) {
- /* cons likes to create reloc32's whatever the size of the reloc..
- */
- switch (fix_ptr->fx_size)
+ if (fix_ptr->fx_r_type == 0)
{
-
- case 2:
- intr->r_type = R_DA;
- break;
- case 1:
- intr->r_type = R_IMM8;
- break;
- default:
- abort();
-
+ /* cons likes to create reloc32's whatever the size of the reloc..
+ */
+ switch (fix_ptr->fx_size)
+ {
+
+ case 2:
+ intr->r_type = R_DA;
+ break;
+ case 1:
+ intr->r_type = R_IMM8;
+ break;
+ default:
+ abort ();
+
+ }
+
}
-
- }
- else {
- intr->r_type = fix_ptr->fx_r_type;
- }
-
- intr->r_vaddr = fix_ptr->fx_frag->fr_address + fix_ptr->fx_where +base;
+ else
+ {
+ intr->r_type = fix_ptr->fx_r_type;
+ }
+
+ intr->r_vaddr = fix_ptr->fx_frag->fr_address + fix_ptr->fx_where + base;
intr->r_offset = fix_ptr->fx_offset;
-
+
if (symbol_ptr)
- intr->r_symndx = symbol_ptr->sy_number;
+ intr->r_symndx = symbol_ptr->sy_number;
else
- intr->r_symndx = -1;
-
-
-}
+ intr->r_symndx = -1;
+}
projects / binutils-gdb.git / commitdiff