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authorMark Eichin <eichin@cygnus>1993-07-12 19:42:32 +0000
committerMark Eichin <eichin@cygnus>1993-07-12 19:42:32 +0000
commit025b0302439df01169c7d9cb06493bbb53c7ce6b (patch)
tree25846278d32fbd19b92cdd1fc69ffac86a0d6f23 /gas/config/tc-h8300.c
parentd723cd17d5f3e2db2f32bee905f0632fba4389cf (diff)
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fix definitions of md_create_long_jump, md_create_short_jump,
md_number_to_chars, and md_section_align to correctly use valueT and addressT
Diffstat (limited to 'gas/config/tc-h8300.c')
-rw-r--r--gas/config/tc-h8300.c2289
1 files changed, 1214 insertions, 1075 deletions
diff --git a/gas/config/tc-h8300.c b/gas/config/tc-h8300.c
index 316b5c1..62aa3fd 100644
--- a/gas/config/tc-h8300.c
+++ b/gas/config/tc-h8300.c
@@ -1,24 +1,24 @@
/* tc-h8300.c -- Assemble code for the Hitachi H8/300
Copyright (C) 1991, 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
*/
@@ -26,12 +26,16 @@
#include <stdio.h>
#include "as.h"
#include "bfd.h"
+#define DEFINE_TABLE
+#define h8_opcodes ops
#include "opcode/h8300.h"
#include <ctype.h>
-#include "listing.h"
-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[] = "#";
/* This table describes all the machine specific pseudo-ops the assembler
has to support. The fields are:
@@ -40,30 +44,56 @@ char line_separator_chars[] = { '$' ,0};
Integer arg to pass to the function
*/
-void cons();
+void cons ();
+
+int Hmode;
+#define PSIZE (Hmode ? L_32 : L_16)
+#define DMODE (L_16)
+#define DSYMMODE (Hmode ? L_24 : L_16)
+int bsize = L_8; /* default branch displacement */
+
+
+void
+h8300hmode ()
+{
+ Hmode = 1;
+}
+
+
+void
+sbranch (size)
+ int size;
+{
+ bsize = size;
+}
-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},
-{ 0,0,0 }
+
+ {"h8300h", h8300hmode, 0},
+ {"sbranch", sbranch, L_8},
+ {"lbranch", sbranch, L_16},
+
+ {"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},
+ {0, 0, 0}
};
-int md_reloc_size ;
+const int md_reloc_size;
const char EXP_CHARS[] = "eE";
/* Chars that mean this number is a floating point constant */
/* As in 0f12.456 */
/* or 0d1.2345e12 */
-char FLT_CHARS[] = "rRsSfFdDxXpP";
+const char FLT_CHARS[] = "rRsSfFdDxXpP";
const relax_typeS md_relax_table[1];
@@ -71,242 +101,234 @@ const relax_typeS md_relax_table[1];
static struct hash_control *opcode_hash_control; /* Opcode mnemonics */
-
/*
This function is called once, at assembler startup time. This should
set up all the tables, etc that the MD part of the assembler needs
*/
-#if 0
-/* encode the size and number into the number field
- xxnnnn
- 00 8 bit
- 01 16 bit
- 10 ccr
- nnnnreg number
- */
-#define WORD_REG 0x10
-#define BYTE_REG 0x00
-#define CCR_REG 0x20
-struct reg_entry
-{
- char *name;
- char number;
-};
-
-struct reg_entry reg_list[] = {
- "r0",WORD_REG +0,
- "r1",WORD_REG +1,
- "r2",WORD_REG +2,
- "r3",WORD_REG +3,
- "r4",WORD_REG +4,
- "r5",WORD_REG +5,
- "r6",WORD_REG +6,
- "r7",WORD_REG +7,
- "fp",WORD_REG +6,
- "sp",WORD_REG +7,
- "r0h",BYTE_REG + 0,
- "r0l",BYTE_REG + 1,
- "r1h",BYTE_REG + 2,
- "r1l",BYTE_REG + 3,
- "r2h",BYTE_REG + 4,
- "r2l",BYTE_REG + 5,
- "r3h",BYTE_REG + 6,
- "r3l",BYTE_REG + 7,
- "r4h",BYTE_REG + 8,
- "r4l",BYTE_REG + 9,
- "r5h",BYTE_REG + 10,
- "r5l",BYTE_REG + 11,
- "r6h",BYTE_REG + 12,
- "r6l",BYTE_REG + 13,
- "r7h",BYTE_REG + 14,
- "r7l",BYTE_REG + 15,
- "ccr",CCR_REG,
- 0,0
- }
-;
-#endif
+void
+md_begin ()
+{
+ struct h8_opcode *opcode;
+ const struct reg_entry *reg;
+ char prev_buffer[100];
+ int idx = 0;
+ opcode_hash_control = hash_new ();
+ prev_buffer[0] = 0;
-void md_begin ()
-{
- struct h8_opcode *opcode;
- const struct reg_entry *reg;
- char prev_buffer[100];
- int idx = 0;
-
- opcode_hash_control = hash_new();
- prev_buffer[0] = 0;
-
- for (opcode = h8_opcodes; opcode->name; opcode++)
+ for (opcode = h8_opcodes; opcode->name; opcode++)
+ {
+ /* Strip off any . part when inserting the opcode and only enter
+ unique codes into the hash table
+ */
+ char *src = opcode->name;
+ unsigned int len = strlen (src);
+ char *dst = malloc (len + 1);
+ char *buffer = dst;
+
+ opcode->size = 0;
+ while (*src)
+ {
+ if (*src == '.')
{
- /* Strip off any . part when inserting the opcode and only enter
- unique codes into the hash table
- */
- char *src= opcode->name;
- unsigned int len = strlen(src);
- char *dst = malloc(len+1);
- char *buffer = dst;
- opcode->size = 0;
- while (*src) {
- if (*src == '.') {
- *dst++ = 0;
- src++;
- opcode->size = *src;
- break;
- }
- *dst++ = *src++;
- }
- if (strcmp(buffer, prev_buffer))
- {
- hash_insert(opcode_hash_control, buffer, (char *)opcode);
- strcpy(prev_buffer, buffer);
- idx++;
- }
- opcode->idx = idx;
-
-
- /* Find the number of operands */
- opcode->noperands = 0;
- while (opcode->args.nib[opcode->noperands] != E)
- opcode->noperands ++;
- /* Find the length of the opcode in bytes */
- opcode->length =0;
- while (opcode->data.nib[opcode->length*2] != E)
- opcode->length++;
+ src++;
+ opcode->size = *src;
+ break;
}
-
+ *dst++ = *src++;
+ }
+ *dst++ = 0;
+ if (strcmp (buffer, prev_buffer))
+ {
+ hash_insert (opcode_hash_control, buffer, (char *) opcode);
+ strcpy (prev_buffer, buffer);
+ idx++;
+ }
+ opcode->idx = idx;
+
+
+ /* Find the number of operands */
+ opcode->noperands = 0;
+ while (opcode->args.nib[opcode->noperands] != E)
+ opcode->noperands++;
+ /* Find the length of the opcode in bytes */
+ opcode->length = 0;
+ while (opcode->data.nib[opcode->length * 2] != E)
+ opcode->length++;
+ }
+
}
-struct h8_exp {
- char *e_beg;
- char *e_end;
- expressionS e_exp;
-};
-struct h8_op
+struct h8_exp
{
- unsigned int dispreg;
- op_type mode;
- unsigned reg;
- expressionS exp;
+ char *e_beg;
+ char *e_end;
+ expressionS e_exp;
};
+int dispreg;
+int opsize; /* Set when a register size is seen */
+struct h8_op
+{
+ op_type mode;
+ unsigned reg;
+ expressionS exp;
+};
/*
- parse operands
+ parse operands
WREG r0,r1,r2,r3,r4,r5,r6,r7,fp,sp
r0l,r0h,..r7l,r7h
@WREG
@WREG+
@-WREG
#const
-
- */
-op_type r8_sord[] = {RS8, RD8};
-op_type r16_sord[] = {RS16, RD16};
-op_type rind_sord[] = {RSIND, RDIND};
-op_type abs_sord[2] = {ABS16SRC, ABS16DST};
-op_type disp_sord[] = {DISPSRC, DISPDST};
+ */
/* try and parse a reg name, returns number of chars consumed */
-int
- DEFUN(parse_reg,(src, mode, reg, dst),
- char *src AND
- op_type *mode AND
- unsigned int *reg AND
- int dst)
+int
+parse_reg (src, mode, reg, direction)
+ char *src;
+ op_type *mode;
+ unsigned int *reg;
+ int direction;
+
{
- if (src[0] == 's' && src[1] == 'p')
- {
- *mode = r16_sord[dst];
- *reg = 7;
- return 2;
- }
- if (src[0] == 'c' && src[1] == 'c' && src[2] == 'r')
- {
- *mode = CCR;
- *reg = 0;
- return 3;
- }
- if (src[0] == 'f' && src[1] == 'p')
+ if (src[0] == 's' && src[1] == 'p')
+ {
+ *mode = PSIZE | REG | direction;
+ *reg = 7;
+ return 2;
+ }
+ if (src[0] == 'c' && src[1] == 'c' && src[2] == 'r')
+ {
+ *mode = CCR;
+ *reg = 0;
+ return 3;
+ }
+ if (src[0] == 'f' && src[1] == 'p')
+ {
+ *mode = PSIZE | REG | direction;
+ *reg = 6;
+ return 2;
+ }
+ if (src[0] == 'e'
+ && src[1] == 'r'
+ && src[2] >= '0' && src[2] <= '7')
+ {
+ *mode = L_32 | REG | direction;
+ *reg = src[2] - '0';
+ if (!Hmode)
+ as_warn ("Reg only legal for H8/300-H");
+
+ return 3;
+ }
+ if (src[0] == 'e'
+ && src[1] >= '0' && src[1] <= '7')
+ {
+ *mode = L_16 | REG | direction;
+ *reg = src[1] - '0' + 8;
+ if (!Hmode)
+ as_warn ("Reg only legal for H8/300-H");
+ return 2;
+ }
+
+ if (src[0] == 'r')
+ {
+ if (src[1] >= '0' && src[1] <= '7')
+ {
+ if (src[2] == 'l')
{
- *mode = r16_sord[dst];
- *reg = 6;
- return 2;
+ *mode = L_8 | REG | direction;
+ *reg = (src[1] - '0') + 8;
+ return 3;
}
- if (src[0] == 'r')
+ if (src[2] == 'h')
{
- if (src[1] >= '0' && src[1] <= '7')
- {
- if(src[2] == 'l')
- {
- *mode = r8_sord[dst];
- *reg = (src[1] - '0') + 8;
- return 3;
- }
- if(src[2] == 'h')
- {
- *mode = r8_sord[dst];
- *reg = (src[1] - '0') ;
- return 3;
- }
- *mode = r16_sord[dst];
- *reg = (src[1] - '0');
- return 2;
- }
+ *mode = L_8 | REG | direction;
+ *reg = (src[1] - '0');
+ return 3;
}
- return 0;
+ *mode = L_16 | REG | direction;
+ *reg = (src[1] - '0');
+ return 2;
+ }
+ }
+ return 0;
}
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;
+ }
}
static char *
- DEFUN(skip_colonthing,(ptr),
- char *ptr)
+skip_colonthing (ptr, exp, mode)
+ char *ptr;
+ expressionS *exp;
+ int *mode;
{
- if (*ptr == ':') {
- ptr++;
- while (isdigit(*ptr))
- ptr++;
-
+ if (*ptr == ':')
+ {
+ ptr++;
+ if (*ptr == '8')
+ {
+ ptr++;
+ /* ff fill any 8 bit quantity */
+ exp->X_add_number |= 0xff00;
}
- return ptr;
+ else
+ {
+ *mode &= ~SIZE;
+ if (*ptr == '2')
+ {
+ *mode |= L_24;
+ }
+ else if (*ptr == '1')
+ {
+ *mode |= L_16;
+ }
+ while (isdigit (*ptr))
+ ptr++;
+ }
+ }
+ return ptr;
}
/* The many forms of operand:
-
+
Rn Register direct
@Rn Register indirect
@(exp[:16], Rn) Register indirect with displacement
@@ -315,205 +337,280 @@ static char *
@aa:8 absolute 8 bit
@aa:16 absolute 16 bit
@aa absolute 16 bit
-
+
#xx[:size] immediate data
@(exp:[8], pc) pc rel
@@aa[:8] memory indirect
-
+
*/
-static void
- DEFUN(get_operand,(ptr, op, dst),
- char **ptr AND
- struct h8_op *op AND
- unsigned int dst)
+char *
+colonmod24 (op, src)
+ struct h8_op *op;
+ char *src;
+
+{
+ int mode = 0;
+ src = skip_colonthing (src, &op->exp, &mode);
+
+ if (!mode)
+ {
+ /* Choose a default mode */
+ if (op->exp.X_add_number < -32768
+ || op->exp.X_add_number > 32767)
+ {
+ if (Hmode)
+ mode = L_24;
+ else
+ mode = L_16;
+ }
+ else if (op->exp.X_add_symbol
+ || op->exp.X_subtract_symbol)
+ mode = DSYMMODE;
+ else
+ mode = DMODE;
+ }
+ op->mode |= mode;
+ return src;
+
+}
+
+
+static void
+get_operand (ptr, op, dst, direction)
+ char **ptr;
+ struct h8_op *op;
+ unsigned int dst;
+
{
char *src = *ptr;
op_type mode;
- unsigned int num;
- unsigned int len;
+ unsigned int num;
+ unsigned int len;
unsigned int size;
+
op->mode = E;
-
- len = parse_reg(src, &op->mode, &op->reg, dst);
- if (len) {
- *ptr = src + len;
- return ;
- }
-
- if (*src == '@')
- {
- src++;
- if (*src == '@')
+
+ len = parse_reg (src, &op->mode, &op->reg, direction);
+ if (len)
{
- src++;
- src = parse_exp(src,&op->exp);
- src = skip_colonthing(src);
-
- *ptr = src;
-
- op->mode = MEMIND;
- return;
-
- }
-
-
- if (*src == '-')
- {
- src++;
- len = parse_reg(src, &mode, &num, dst);
- if (len == 0)
- {
- /* Oops, not a reg after all, must be ordinary exp */
- src--;
- /* must be a symbol */
- op->mode = abs_sord[dst];
- *ptr = skip_colonthing(parse_exp(src, &op->exp));
-
- return;
-
-
- }
-
- if (mode != r16_sord[dst])
- {
- as_bad("@- needs word register");
- }
- op->mode = RDDEC;
- op->reg = num;
*ptr = src + len;
return;
}
- if (*src == '(' && ')')
+
+ if (*src == '@')
{
- /* Disp */
- src++;
- src = parse_exp(src, &op->exp);
-
- if (*src == ')')
- {
- src++;
- op->mode = abs_sord[dst];
- *ptr = src;
- return;
- }
- src = skip_colonthing(src);
-
- if (*src != ',')
- {
- as_bad("expected @(exp, reg16)");
- return;
-
- }
src++;
- len = parse_reg(src, &mode, &op->reg, dst);
- if (len == 0 || mode != r16_sord[dst])
- {
- as_bad("expected @(exp, reg16)");
- return;
- }
- op->mode = disp_sord[dst];
- src += len;
- src = skip_colonthing(src);
-
- if (*src != ')' && '(')
- {
- as_bad("expected @(exp, reg16)");
- return;
- }
- *ptr = src +1;
-
- return;
- }
- len = parse_reg(src, &mode, &num, dst);
-
- if(len) {
- src += len;
- if (*src == '+')
+ if (*src == '@')
+ {
+ src++;
+ src = parse_exp (src, &op->exp);
+
+ src = skip_colonthing (src, &op->exp, &op->mode);
+
+ *ptr = src;
+
+ op->mode = MEMIND;
+ return;
+
+ }
+
+
+ if (*src == '-')
{
src++;
- if (mode != RS16)
- {
- as_bad("@Rn+ needs src word register");
- return;
- }
- op->mode = RSINC;
+ len = parse_reg (src, &mode, &num, direction);
+ if (len == 0)
+ {
+ /* Oops, not a reg after all, must be ordinary exp */
+ src--;
+ /* must be a symbol */
+ op->mode = ABS | PSIZE | direction;
+ *ptr = skip_colonthing (parse_exp (src, &op->exp),
+ &op->exp, &op->mode);
+
+ return;
+
+
+ }
+
+
+ if ((mode & SIZE) != PSIZE)
+ as_bad ("Wrong size pointer register for architecture.");
+ op->mode = RDDEC;
+ op->reg = num;
+ *ptr = src + len;
+ return;
+ }
+ if (*src == '(' )
+ {
+ /* Disp */
+ src++;
+
+ /* Start off assuming a 16 bit offset */
+
+
+ src = parse_exp (src, &op->exp);
+
+ src = colonmod24 (op, src);
+
+ if (*src == ')')
+ {
+ src++;
+ op->mode = DISP | direction;
+ *ptr = src;
+ return;
+ }
+
+ if (*src != ',')
+ {
+ as_bad ("expected @(exp, reg16)");
+ return;
+
+ }
+ src++;
+
+ len = parse_reg (src, &mode, &op->reg, direction);
+ if (len == 0 || !(mode & REG))
+ {
+ as_bad ("expected @(exp, reg16)");
+ return;
+ }
+ op->mode |= DISP | direction;
+ dispreg = op->reg;
+ src += len;
+ src = skip_colonthing (src, &op->exp, &op->mode);
+
+ if (*src != ')' && '(')
+ {
+ as_bad ("expected @(exp, reg16)");
+ return;
+ }
+ *ptr = src + 1;
+
+ return;
+ }
+ len = parse_reg (src, &mode, &num, direction);
+
+ if (len)
+ {
+ src += len;
+ if (*src == '+')
+ {
+ src++;
+ if ((mode & SIZE) != PSIZE)
+ as_bad ("Wrong size pointer register for architecture.");
+ op->mode = RSINC;
+ op->reg = num;
+ *ptr = src;
+ return;
+ }
+ if ((mode & SIZE) != PSIZE)
+ as_bad ("Wrong size pointer register for architecture.");
+
+ op->mode = direction | IND | PSIZE;
op->reg = num;
*ptr = src;
+
return;
}
- if (mode != r16_sord[dst])
+ else
{
- as_bad("@Rn needs word register");
+ /* must be a symbol */
+
+ op->mode = ABS | direction;
+ src = parse_exp (src, &op->exp);
+
+ *ptr = colonmod24 (op, src);
+
return;
-
}
- op->mode =rind_sord[dst];
- op->reg = num;
- *ptr = src;
-
- return;
- }
- else
- {
- /* must be a symbol */
- op->mode = abs_sord[dst];
- *ptr = skip_colonthing(parse_exp(src, &op->exp));
-
- return;
}
- }
-
-
- if (*src == '#') {
+
+
+ if (*src == '#')
+ {
src++;
- op->mode = IMM16;
- src = parse_exp(src, &op->exp);
- *ptr= skip_colonthing(src);
-
+ op->mode = IMM;
+ src = parse_exp (src, &op->exp);
+ *ptr = skip_colonthing (src, &op->exp, &op->mode);
+
return;
}
- else {
- *ptr = parse_exp(src, &op->exp);
- op->mode = DISP8;
+ else
+ {
+ src = parse_exp (src, &op->exp);
+ /* Trailing ':' size ? */
+ if (*src == ':')
+ {
+ if (src[1] == '1' && src[2] == '6')
+ {
+ op->mode = PCREL | L_16;
+ src += 3;
+ }
+ else if (src[1] == '8')
+ {
+ op->mode = PCREL | L_8;
+ src += 2;
+ }
+ else
+ {
+ as_bad ("expect :8 or :16 here");
+ }
+ }
+ else
+ {
+ op->mode = PCREL | bsize;
+ }
+ *ptr = src;
}
}
static
- char *
- DEFUN(get_operands,(noperands,op_end, operand),
- unsigned int noperands AND
- char *op_end AND
- struct h8_op *operand)
+char *
+DEFUN (get_operands, (noperands, op_end, operand),
+ unsigned int noperands AND
+ char *op_end AND
+ struct h8_op *operand)
{
- char *ptr = op_end;
- switch (noperands)
- {
- case 0:
- operand[0].mode = 0;
- operand[1].mode = 0;
- break;
-
- case 1:
- ptr++;
- get_operand(& ptr, operand +0,0);
- operand[1].mode =0;
- break;
-
- case 2:
- ptr++;
- get_operand(& ptr, operand +0,0);
- if (*ptr == ',') ptr++;
- get_operand(& ptr, operand +1, 1);
- break;
-
- default:
- abort();
- }
-
-
- return ptr;
+ char *ptr = op_end;
+
+ switch (noperands)
+ {
+ case 0:
+ operand[0].mode = 0;
+ operand[1].mode = 0;
+ break;
+
+ case 1:
+ ptr++;
+ get_operand (&ptr, operand + 0, 0, SRC);
+ if (*ptr == ',')
+ {
+ ptr++;
+ get_operand (&ptr, operand + 1, 1, DST);
+ }
+ else
+ {
+ operand[1].mode = 0;
+ }
+
+ break;
+ case 2:
+ ptr++;
+ get_operand (&ptr, operand + 0, 0, SRC);
+ if (*ptr == ',')
+ ptr++;
+ get_operand (&ptr, operand + 1, 1, DST);
+ break;
+
+ default:
+ abort ();
+ }
+
+
+ return ptr;
}
/* Passed a pointer to a list of opcodes which use different
@@ -521,481 +618,480 @@ static
provided
*/
static
- struct h8_opcode *
- DEFUN(get_specific,(opcode, operands),
- struct h8_opcode *opcode AND
- struct h8_op *operands)
-
+struct h8_opcode *
+get_specific (opcode, operands)
+ struct h8_opcode *opcode;
+ struct h8_op *operands;
{
- struct h8_opcode *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)
+ struct h8_opcode *this_try = opcode;
+ int found = 0;
+
+ unsigned int this_index = opcode->idx;
+
+ while (this_index == opcode->idx && !found)
+ {
+ unsigned int i;
+ found = 1;
+
+ this_try = opcode++;
+ for (i = 0; i < this_try->noperands && found; i++)
+ {
+ op_type op = this_try->args.nib[i];
+ int x = operands[i].mode;
+
+ if ((op & (DISP | REG)) == (DISP | REG)
+ && ((x & DISP | REG) == (DISP | REG)))
{
- unsigned int i;
-
- this_try = opcode ++;
- for (i = 0; i < noperands; i++)
- {
- op_type op = (this_try->args.nib[i]) & ~(B30|B31);
- switch (op)
- {
- case Hex0:
- case Hex1:
- case Hex2:
- case Hex3:
- case Hex4:
- case Hex5:
- case Hex6:
- case Hex7:
- case Hex8:
- case Hex9:
- case HexA:
- case HexB:
- case HexC:
- case HexD:
- case HexE:
- case HexF:
- break;
- case DISPSRC:
- case DISPDST:
- operands[0].dispreg = operands[i].reg;
- case RD8:
- case RS8:
- case RDIND:
- case RSIND:
- case RD16:
- case RS16:
- case CCR:
- case RSINC:
- case RDDEC:
- if (operands[i].mode != op) goto fail;
- break;
- case KBIT:
- case IMM16:
- case IMM3:
- case IMM8:
- if (operands[i].mode != IMM16) goto fail;
- break;
- case MEMIND:
- if (operands[i].mode != MEMIND) goto fail;
- break;
- case ABS16SRC:
- case ABS8SRC:
- case ABS16OR8SRC:
- case ABS16ORREL8SRC:
-
- if (operands[i].mode != ABS16SRC) goto fail;
- break;
- case ABS16OR8DST:
- case ABS16DST:
- case ABS8DST:
- if (operands[i].mode != ABS16DST) goto fail;
- break;
- }
- }
- found =1;
- fail: ;
+ dispreg = operands[i].reg;
}
- if (found)
- return this_try;
- else
- return 0;
+ else if (op & REG)
+ {
+ if (!(x & REG))
+ found = 0;
+
+ if (x & L_P)
+ {
+ x = (x & ~L_P) | (Hmode ? L_32 : L_16);
+ }
+ if (op & L_P)
+ {
+ op = (op & ~L_P) | (Hmode ? L_32 : L_16);
+ }
+
+ opsize = op & SIZE;
+
+ /* The size of the reg is v important */
+ if ((op & SIZE) != (x & SIZE))
+ found = 0;
+ }
+ else if ((op & ABSJMP) && (x & ABS))
+ {
+ operands[i].mode &= ~ABS;
+ operands[i].mode |= ABSJMP;
+ /* But it may not be 24 bits long */
+ if (!Hmode)
+ {
+ operands[i].mode &= ~SIZE;
+ operands[i].mode |= L_16;
+ }
+
+
+ }
+ else if ((op & (KBIT | DBIT)) && (x & IMM))
+ {
+ /* This is ok if the immediate value is sensible */
+
+ }
+ else if (op & PCREL)
+ {
+
+ /* The size of the displacement is important */
+ if ((op & SIZE) != (x & SIZE))
+ found = 0;
+
+ }
+ else if ((op & (DISP | IMM | ABS))
+ && (op & (DISP | IMM | ABS)) == (x & (DISP | IMM | ABS)))
+ {
+ /* Got a diplacement,will fit if no size or same size as try */
+ if ((x & SIZE) != 0
+ && ((op & SIZE) != (x & SIZE)))
+ found = 0;
+ }
+ else if ((op & ABSMOV) && (x & ABS))
+ {
+ /* Ok */
+ }
+ else if ((op & MODE) != (x & MODE))
+ {
+ found = 0;
+ }
+
+ }
+ }
+ if (found)
+ return this_try;
+ else
+ return 0;
}
static void
- DEFUN(check_operand,(operand, width, string),
- struct h8_op *operand AND
- unsigned int width AND
- char *string)
+DEFUN (check_operand, (operand, width, string),
+ struct h8_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))
{
- as_warn("operand %s0x%x out of range.", string, operand->exp.X_add_number);
+
+ /* 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))
+ {
+ as_warn ("operand %s0x%x out of range.", string, operand->exp.X_add_number);
+ }
}
- }
-
+
+}
+
+static void
+do_a_fix_imm (offset, operand, relaxing)
+ int offset;
+ struct h8_op *operand;
+ int relaxing;
+{
+ int idx;
+ int size;
+ int where;
+
+
+ char *t = operand->mode & IMM ? "#" : "@";
+
+ if (operand->exp.X_add_symbol == 0)
+ {
+ char *bytes = frag_now->fr_literal + offset;
+ switch (operand->mode & SIZE)
+ {
+ case L_3:
+ check_operand (operand, 0x7, t);
+ bytes[0] |= (operand->exp.X_add_number) << 4;
+ break;
+ case L_8:
+ check_operand (operand, 0xff, t);
+ bytes[0] = operand->exp.X_add_number;
+ break;
+ case L_16:
+ check_operand (operand, 0xffff, t);
+ bytes[0] = operand->exp.X_add_number >> 8;
+ bytes[1] = operand->exp.X_add_number >> 0;
+ break;
+ case L_24:
+ check_operand (operand, 0xffffff, t);
+ bytes[0] = operand->exp.X_add_number >> 16;
+ bytes[1] = operand->exp.X_add_number >> 8;
+ bytes[2] = operand->exp.X_add_number >> 0;
+ break;
+
+ case L_32:
+ /* This should be done with bfd */
+ bytes[0] = operand->exp.X_add_number >> 24;
+ bytes[1] = operand->exp.X_add_number >> 16;
+ bytes[2] = operand->exp.X_add_number >> 8;
+ bytes[3] = operand->exp.X_add_number >> 0;
+ break;
+ }
+
+ }
+ else
+ {
+ switch (operand->mode & SIZE)
+ {
+ default:
+ abort ();
+ case L_24:
+ size = 4;
+ where = -1;
+ idx = relaxing ? R_MOVLB1 : R_RELLONG;
+ break;
+
+ case L_32:
+ size = 4;
+ where = 0;
+ idx = R_RELLONG;
+ break;
+ case L_16:
+ size = 2;
+ where = 0;
+ idx = relaxing ? R_MOVB1 : R_RELWORD;
+ break;
+ case L_8:
+ size = 1;
+ where = 0;
+ idx = R_RELBYTE;
+ }
+
+
+ fix_new (frag_now,
+ offset + where,
+ size,
+ operand->exp.X_add_symbol,
+ operand->exp.X_subtract_symbol,
+ (short) (operand->exp.X_add_number),
+ 0,
+ idx);
+ }
+
}
/* Now we know what sort of opcodes it is, lets build the bytes -
*/
-static void
- DEFUN (build_bytes,(this_try, operand),
- struct h8_opcode *this_try AND
- struct h8_op *operand)
-
+static void
+build_bytes (this_try, operand)
+ struct h8_opcode *this_try;
+ struct h8_op *operand;
{
- unsigned int i;
-
- char *output = frag_more(this_try->length);
- char *output_ptr = output;
- op_type *nibble_ptr = this_try->data.nib;
- char part;
- op_type c;
- char high;
- int nib;
- top: ;
- while (*nibble_ptr != E)
+ unsigned int i;
+
+ char *output = frag_more (this_try->length);
+ char *output_ptr = output;
+ op_type *nibble_ptr = this_try->data.nib;
+ char part;
+ op_type c;
+ char high;
+ unsigned int nibble_count = 0;
+
+ int immat;
+ int nib;
+ char asnibbles[30];
+ char *p = asnibbles;
+
+ if (!(this_try->inbase || Hmode))
+ {
+ as_warn ("Opcode `%s' only available on H8/300-H", this_try->name);
+ }
+
+ while (*nibble_ptr != E)
+ {
+ int d;
+ c = *nibble_ptr++;
+
+ d = (c & DST) != 0;
+
+ if (c < 16)
+ {
+ nib = c;
+ }
+ else
+ {
+
+ if (c & (REG | IND | INC | DEC))
{
- int nibble;
- for (nibble = 0; nibble <2; nibble++)
- {
- c = *nibble_ptr & ~(B30|B31);
- switch (c)
- {
- default:
- abort();
- case KBIT:
- switch (operand[0].exp.X_add_number)
- {
- case 1:
- nib = 0;
- break;
- case 2:
- nib = 8;
- break;
- default:
- as_bad("Need #1 or #2 here");
- break;
- }
- /* stop it making a fix */
- operand[0].mode = 0;
- break;
- case 0:
- case 1:
- case 2: case 3: case 4: case 5: case 6:
- case 7: case 8: case 9: case 10: case 11:
- case 12: case 13: case 14: case 15:
- nib = c;
- break;
- case DISPREG:
- nib = operand[0].dispreg;
- break;
- case IMM8:
- operand[0].mode = IMM8;
- nib = 0;
- break;
-
- case DISPDST:
- nib = 0;
- break;
- case IMM3:
- if (operand[0].exp.X_add_symbol == 0) {
- operand[0].mode = 0; /* stop it making a fix */
- nib = (operand[0].exp.X_add_number);
- }
- else as_bad("can't have symbol for bit number");
- if (nib < 0 || nib > 7)
- {
- as_bad("Bit number out of range %d", nib);
- }
-
- break;
-
- case ABS16DST:
- nib = 0;
- break;
- case ABS8DST:
- operand[1].mode = ABS8DST;
- nib = 0;
- break;
- case ABS8SRC:
- operand[0].mode = ABS8SRC;
- nib = 0;
- break;
- case ABS16OR8DST:
- operand[1].mode = c;
-
- nib = 0;
-
- break;
-
- case ABS16ORREL8SRC:
- operand[0].mode = c;
- nib=0;
- break;
-
- case ABS16OR8SRC:
- operand[0].mode = ABS16OR8SRC;
- nib = 0;
- break;
- case DISPSRC:
- operand[0].mode = ABS16SRC;
- nib = 0;
- break;
-
- case DISP8:
- operand[0].mode = DISP8;
- nib = 0;
- break;
-
- case ABS16SRC:
- case IMM16:
- case IGNORE:
- case MEMIND:
-
- nib=0;
- break;
- case RS8:
- case RS16:
- case RSIND:
- case RSINC:
- nib = operand[0].reg;
- break;
-
- case RD8:
- case RD16:
- case RDDEC:
- case RDIND:
- nib = operand[1].reg;
- break;
-
- case E:
- abort();
- break;
- }
- if (*nibble_ptr & B31) {
- nib |=0x8;
- }
-
- if (nibble == 0) {
- *output_ptr = nib << 4;
- }
- else {
- *output_ptr |= nib;
- output_ptr++;
- }
- nibble_ptr++;
- }
-
+ nib = operand[d].reg;
}
-
- /* output any fixes */
- for (i = 0; i < 2; i++)
+ else if ((c & DISPREG) == (DISPREG))
{
- switch (operand[i].mode) {
- case 0:
- break;
-
- case DISP8:
- check_operand(operand+i, 0x7f,"@");
-
- if (operand[i].exp.X_add_number & 1) {
- as_warn("branch operand has odd offset (%x)\n",
- operand->exp.X_add_number);
- }
-
- fix_new(frag_now,
- output - frag_now->fr_literal + 1,
- 1,
- operand[i].exp.X_add_symbol,
- operand[i].exp.X_subtract_symbol,
- operand[i].exp.X_add_number -1,
- 1,
- R_PCRBYTE);
- break;
- case IMM8:
- check_operand(operand+i, 0xff,"#");
- /* If there is nothing else going on we can safely
- reloc in place */
- if (operand[i].exp.X_add_symbol == 0)
- {
- output[1] = operand[i].exp.X_add_number;
- }
- else
- {
- fix_new(frag_now,
- output - frag_now->fr_literal + 1,
- 1,
- operand[i].exp.X_add_symbol,
- operand[i].exp.X_subtract_symbol,
- operand[i].exp.X_add_number,
- 0,
- R_RELBYTE);
- }
-
- break;
- case MEMIND:
- check_operand(operand+i, 0xff,"@@");
- fix_new(frag_now,
- output - frag_now->fr_literal + 1,
- 1,
- operand[i].exp.X_add_symbol,
- operand[i].exp.X_subtract_symbol,
- operand[i].exp.X_add_number,
- 0,
- R_RELBYTE);
- break;
- case ABS8DST:
- case ABS8SRC:
- check_operand(operand+i, 0xff,"@");
- fix_new(frag_now,
- output - frag_now->fr_literal + 1,
- 1,
- operand[i].exp.X_add_symbol,
- operand[i].exp.X_subtract_symbol,
- operand[i].exp.X_add_number,
- 0,
- R_RELBYTE);
- break;
-
- case ABS16OR8SRC:
- case ABS16OR8DST:
- check_operand(operand+i, 0xffff,"@");
-
- fix_new(frag_now,
- output - frag_now->fr_literal + 2,
- 2,
- operand[i].exp.X_add_symbol,
- operand[i].exp.X_subtract_symbol,
- operand[i].exp.X_add_number,
- 0,
- R_MOVB1);
- break;
-
- case ABS16ORREL8SRC:
- check_operand(operand+i, 0xffff,"@");
- if (operand[i].exp.X_add_number & 1) {
- as_warn("branch operand has odd offset (%x)\n",
- operand->exp.X_add_number);
- }
- fix_new(frag_now,
- output - frag_now->fr_literal + 2,
- 2,
- operand[i].exp.X_add_symbol,
- operand[i].exp.X_subtract_symbol,
- operand[i].exp.X_add_number,
- 0,
- R_JMP1);
- break;
-
-
- case ABS16SRC:
- case ABS16DST:
- case IMM16:
- case DISPSRC:
- case DISPDST:
- check_operand(operand+i, 0xffff,"@");
- if (operand[i].exp.X_add_symbol == 0)
- {
- /* This should be done with bfd */
- output[3] = operand[i].exp.X_add_number & 0xff;
- output[2] = operand[i].exp.X_add_number >> 8;
-
- }
- else
- {
-
- fix_new(frag_now,
- output - frag_now->fr_literal + 2,
- 2,
- operand[i].exp.X_add_symbol,
- operand[i].exp.X_subtract_symbol,
- operand[i].exp.X_add_number,
- 0,
- R_RELWORD);
- }
-
- break;
- case RS8:
- case RD8:
- case RS16:
- case RD16:
- case RDDEC:
- case KBIT:
- case RSINC:
- case RDIND:
- case RSIND:
- case CCR:
-
- break;
- default:
- abort();
- }
+ nib = dispreg;
}
-
-}
-/*
- try and give an intelligent error message for common and simple to
- detect errors
- */
-static void
- DEFUN(clever_message, (opcode, operand),
- struct h8_opcode *opcode AND
- struct h8_op *operand)
-{
- struct h8_opcode *scan = opcode;
-
- /* Find out if there was more than one possible opccode */
-
- if ((opcode+1)->idx != opcode->idx)
- {
- unsigned int argn;
-
- /* Only one opcode of this flavour, try and guess which operand
- didn't match */
- for (argn = 0; argn < opcode->noperands; argn++)
+ else if (c & ABSMOV)
+ {
+ operand[d].mode &= ~ABS;
+ operand[d].mode |= ABSMOV;
+ immat = nibble_count / 2;
+ nib = 0;
+ }
+ else if (c & (IMM | PCREL | ABS | ABSJMP | DISP ))
+ {
+ operand[d].mode = c;
+ immat = nibble_count / 2;
+ nib = 0;
+ }
+ else if (c & IGNORE)
+ {
+ nib = 0;
+ }
+ else if (c & DBIT)
+ {
+ switch (operand[0].exp.X_add_number)
+ {
+ case 1:
+ nib = c;
+ break;
+ case 2:
+ nib = 0x8 | c;
+ break;
+ default:
+ as_bad ("Need #1 or #2 here");
+ }
+ }
+ else if (c & KBIT)
+ {
+ switch (operand[0].exp.X_add_number)
+ {
+ case 1:
+ nib = 0;
+ break;
+ case 2:
+ nib = 8;
+ break;
+ case 4:
+ if (!Hmode)
+ as_warn ("#4 only valid in h8/300 mode.");
+ nib = 9;
+ break;
+
+ default:
+ as_bad ("Need #1 or #2 here");
+ break;
+ }
+ /* stop it making a fix */
+ operand[0].mode = 0;
+ }
+
+ if (c & B31)
+ {
+ nib |= 0x8;
+ }
+ }
+ nibble_count++;
+
+ *p++ = nib;
+ }
+
+ for (i = 0; i < this_try->length; i++)
+ {
+ output[i] = (asnibbles[i * 2] << 4) | asnibbles[i * 2 + 1];
+ }
+
+ /* output any fixes */
+ for (i = 0; i < 2; i++)
{
- switch (opcode->args.nib[argn])
- {
- case RD16:
- if (operand[argn].mode != RD16)
+ int x = operand[i].mode;
+
+ if (x & (IMM | ABS | DISP))
{
- as_bad("destination operand must be 16 bit register");
- return;
-
+ do_a_fix_imm (output - frag_now->fr_literal + immat, operand + i,0);
}
- break;
-
- case RS8:
-
- if (operand[argn].mode != RS8)
+ else if (x & PCREL)
{
- as_bad("source operand must be 8 bit register");
- return;
+ int size16 = x & L_16;
+ int where = size16 ? 2 : 1;
+ int size = size16 ? 2 : 1;
+ int type = size16 ? R_PCRWORD : R_PCRBYTE;
+
+ check_operand (operand + i, size16 ? 0x7fff : 0x7f, "@");
+
+ if (operand[i].exp.X_add_number & 1)
+ {
+ as_warn ("branch operand has odd offset (%x)\n",
+ operand->exp.X_add_number);
+ }
+
+ fix_new (frag_now,
+ output - frag_now->fr_literal + where,
+ size,
+ operand[i].exp.X_add_symbol,
+ operand[i].exp.X_subtract_symbol,
+ (char) (operand[i].exp.X_add_number - 1),
+ 1,
+ type);
}
- break;
-
- case ABS16DST:
- if (operand[argn].mode != ABS16DST)
+ else if (x & MEMIND)
{
- as_bad("destination operand must be 16bit absolute address");
- return;
+
+ check_operand (operand + i, 0xff, "@@");
+ fix_new (frag_now,
+ output - frag_now->fr_literal + 1,
+ 1,
+ operand[i].exp.X_add_symbol,
+ operand[i].exp.X_subtract_symbol,
+ operand[i].exp.X_add_number,
+ 0,
+ R_RELBYTE);
}
-break;
- case RD8:
- if (operand[argn].mode != RD8)
+
+ else if (x & ABSMOV)
{
- as_bad("destination operand must be 8 bit register");
- return;
+ /* This mov is either absolute long or thru a memory loc */
+ do_a_fix_imm (output - frag_now->fr_literal + immat, operand + i,1);
}
- break;
-
-
- case ABS16SRC:
- if (operand[argn].mode != ABS16SRC)
+
+ else if (x & ABSJMP)
{
- as_bad("source operand must be 16bit absolute address");
- return;
+ /* This jmp may be a jump or a branch */
+
+ check_operand (operand + i, Hmode ? 0xfffff : 0xffff, "@");
+ if (operand[i].exp.X_add_number & 1)
+ {
+ as_warn ("branch operand has odd offset (%x)\n",
+ operand->exp.X_add_number);
+ }
+ fix_new (frag_now,
+ output - frag_now->fr_literal,
+ 4,
+ operand[i].exp.X_add_symbol,
+ operand[i].exp.X_subtract_symbol,
+ (short) (operand[i].exp.X_add_number),
+ 0,
+ R_JMPL1);
}
- break;
-
- }
}
- }
- as_bad("invalid operands");
+
+}
+
+/*
+ try and give an intelligent error message for common and simple to
+ detect errors
+ */
+
+static void
+DEFUN (clever_message, (opcode, operand),
+ struct h8_opcode *opcode AND
+ struct h8_op *operand)
+{
+ struct h8_opcode *scan = opcode;
+
+ /* Find out if there was more than one possible opccode */
+
+ if ((opcode + 1)->idx != opcode->idx)
+ {
+ unsigned int argn;
+
+ /* Only one opcode of this flavour, try and guess which operand
+ didn't match */
+ for (argn = 0; argn < opcode->noperands; argn++)
+ {
+ switch (opcode->args.nib[argn])
+ {
+ case RD16:
+ if (operand[argn].mode != RD16)
+ {
+ as_bad ("destination operand must be 16 bit register");
+ return;
+
+ }
+ break;
+
+ case RS8:
+
+ if (operand[argn].mode != RS8)
+ {
+ as_bad ("source operand must be 8 bit register");
+ return;
+ }
+ break;
+
+ case ABS16DST:
+ if (operand[argn].mode != ABS16DST)
+ {
+ as_bad ("destination operand must be 16bit absolute address");
+ return;
+ }
+ break;
+ case RD8:
+ if (operand[argn].mode != RD8)
+ {
+ as_bad ("destination operand must be 8 bit register");
+ return;
+ }
+ break;
+
+
+ case ABS16SRC:
+ if (operand[argn].mode != ABS16SRC)
+ {
+ as_bad ("source operand must be 16bit absolute address");
+ return;
+ }
+ break;
+
+ }
+ }
+ }
+ as_bad ("invalid operands");
}
/* This is the guts of the machine-dependent assembler. STR points to a
@@ -1005,106 +1101,111 @@ break;
-void
- DEFUN(md_assemble,(str),
- char *str)
+void
+DEFUN (md_assemble, (str),
+ char *str)
{
- char *op_start;
- char *op_end;
- unsigned int i;
- struct h8_op operand[2];
- struct h8_opcode * opcode;
- struct h8_opcode * prev_opcode;
-
- char *dot = 0;
- char c;
- /* Drop leading whitespace */
- while (*str == ' ')
- str++;
-
- /* find the op code end */
- for (op_start = op_end = str;
- *op_end != 0 && *op_end != ' ';
- op_end ++)
- {
- if (*op_end == '.') {
- dot = op_end+1;
- *op_end = 0;
- op_end+=2;
- break;
- }
- }
-
- ;
-
- if (op_end == op_start)
- {
- as_bad("can't find opcode ");
- }
- c = *op_end;
-
- *op_end = 0;
-
- opcode = (struct h8_opcode *) hash_find(opcode_hash_control,
- op_start);
-
- if (opcode == NULL)
- {
- as_bad("unknown opcode");
- return;
- }
-
-
- input_line_pointer = get_operands(opcode->noperands, 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;
- clever_message(prev_opcode, operand);
-
- return;
- }
- if (opcode->size && dot)
- {
- if (opcode->size != *dot)
- {
- as_warn("mismatch between opcode size and operand size");
- }
- }
-
- build_bytes(opcode, operand);
-
+ char *op_start;
+ char *op_end;
+ unsigned int i;
+ struct h8_op operand[2];
+ struct h8_opcode *opcode;
+ struct h8_opcode *prev_opcode;
+
+ char *dot = 0;
+ char c;
+
+ /* Drop leading whitespace */
+ while (*str == ' ')
+ str++;
+
+ /* find the op code end */
+ for (op_start = op_end = str;
+ *op_end != 0 && *op_end != ' ';
+ op_end++)
+ {
+ if (*op_end == '.')
+ {
+ dot = op_end + 1;
+ *op_end = 0;
+ op_end += 2;
+ break;
+ }
+ }
+
+ ;
+
+ if (op_end == op_start)
+ {
+ as_bad ("can't find opcode ");
+ }
+ c = *op_end;
+
+ *op_end = 0;
+
+ opcode = (struct h8_opcode *) hash_find (opcode_hash_control,
+ op_start);
+
+ if (opcode == NULL)
+ {
+ as_bad ("unknown opcode");
+ return;
+ }
+
+
+ input_line_pointer = get_operands (opcode->noperands, 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;
+ clever_message (prev_opcode, operand);
+
+ return;
+ }
+ if (opcode->size && dot)
+ {
+ if (opcode->size != *dot)
+ {
+ as_warn ("mismatch between opcode size and operand size");
+ }
+ }
+
+ build_bytes (opcode, operand);
+
}
-void
- DEFUN(tc_crawl_symbol_chain, (headers),
- object_headers *headers)
+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)
{
}
@@ -1117,212 +1218,250 @@ void
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 "";
}
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 ()
+{
+ 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;
+ addressT from_addr;
+ addressT to_addr;
+ fragS *frag;
+ symbolS *to_symbol;
{
- as_fatal("failed sanity check.");
+ 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;
+ addressT 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)
+valueT
+DEFUN (md_section_align, (seg, size),
+ segT seg AND
+ valueT 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_size) {
- case 1:
- *buf++=val;
- break;
- case 2:
- *buf++=(val>>8);
- *buf++=val;
- break;
- case 4:
- *buf++=(val>>24);
- *buf++=(val>>16);
- *buf++=(val>>8);
- *buf++=val;
- break;
- default:
- abort();
-
- }
+ char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
+
+ switch (fixP->fx_size)
+ {
+ case 1:
+ *buf++ = val;
+ break;
+ case 2:
+ *buf++ = (val >> 8);
+ *buf++ = val;
+ break;
+ case 4:
+ *buf++ = (val >> 24);
+ *buf++ = (val >> 16);
+ *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
+ valueT 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)
- {
-
- case 2:
- intr->r_type = R_RELWORD;
- break;
- case 1:
- intr->r_type = R_RELBYTE;
- break;
- default:
- abort();
-
- }
-
- }
- else {
- intr->r_type = fix_ptr->fx_r_type;
+ 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)
+ {
+
+ case 2:
+ intr->r_type = R_RELWORD;
+ break;
+ case 1:
+ intr->r_type = R_RELBYTE;
+ break;
+ default:
+ abort ();
+
}
-
- 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;
- else
- intr->r_symndx = -1;
-
-
+
+ }
+ 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;
+ else
+ intr->r_symndx = -1;
+
+
+}
+
+tc_coff_sizemachdep ()
+{
+ abort ();
}
/* end of tc-h8300.c */