/* tc-z8k.c -- Assemble code for the Zilog Z800n
- Copyright 1992, 1993, 1994, 1995, 1996, 1998, 2000
+ Copyright 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#define DEFINE_TABLE
#include <stdio.h>
-#include "opcodes/z8k-opc.h"
-
#include "as.h"
#include "bfd.h"
-#include <ctype.h>
+#include "safe-ctype.h"
+#include "opcodes/z8k-opc.h"
const char comment_chars[] = "!";
const char line_comment_chars[] = "#";
int segmented_mode;
const int md_reloc_size;
-void cons ();
+/* This is non-zero if target was set from the command line. */
+static int z8k_target_from_cmdline;
-void
-s_segm ()
+static void s_segm PARAMS ((int));
+static void even PARAMS ((int));
+static int tohex PARAMS ((int));
+static void sval PARAMS ((int));
+
+static void
+s_segm (segm)
+ int segm;
{
+ if (segm)
+ {
segmented_mode = 1;
machine = bfd_mach_z8001;
coff_flags = F_Z8001;
-}
-
-void
-s_unseg ()
-{
+ }
+ else
+ {
segmented_mode = 0;
machine = bfd_mach_z8002;
coff_flags = F_Z8002;
+ }
}
static void
-even ()
+even (ignore)
+ int ignore ATTRIBUTE_UNUSED;
{
frag_align (1, 0, 0);
record_alignment (now_seg, 1);
}
-void obj_coff_section ();
-
-int
+static int
tohex (c)
int c;
{
- if (isdigit (c))
+ if (ISDIGIT (c))
return c - '0';
- if (islower (c))
+ if (ISLOWER (c))
return c - 'a' + 10;
return c - 'A' + 10;
}
-void
-sval ()
+static void
+sval (ignore)
+ int ignore ATTRIBUTE_UNUSED;
{
SKIP_WHITESPACE ();
if (*input_line_pointer == '\'')
{"import" , s_ignore , 0},
{"page" , listing_eject , 0},
{"program", s_ignore , 0},
- {"z8001" , s_segm , 0},
- {"z8002" , s_unseg , 0},
+ {"z8001" , s_segm , 1},
+ {"z8002" , s_segm , 0},
- {"segm" , s_segm , 0},
- {"unsegm" , s_unseg , 0},
- {"unseg" , s_unseg , 0},
+ {"segm" , s_segm , 1},
+ {"unsegm" , s_segm , 0},
+ {"unseg" , s_segm , 0},
{"name" , s_app_file , 0},
{"global" , s_globl , 0},
{"wval" , cons , 2},
void
md_begin ()
{
- opcode_entry_type *opcode;
- char *prev_name = "";
- int idx = 0;
+ const opcode_entry_type *opcode;
+ int idx = -1;
opcode_hash_control = hash_new ();
for (opcode = z8k_table; opcode->name; opcode++)
{
/* 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;
+ if (idx != opcode->idx)
+ hash_insert (opcode_hash_control, opcode->name, (char *) opcode);
+ idx = opcode->idx;
}
/* Default to z8002. */
- s_unseg ();
+ if (! z8k_target_from_cmdline)
+ s_segm (0);
/* Insert the pseudo ops, too. */
for (idx = 0; md_pseudo_table[idx].poc_name; idx++)
{
opcode_entry_type *fake_opcode;
fake_opcode = (opcode_entry_type *) malloc (sizeof (opcode_entry_type));
- fake_opcode->name = md_pseudo_table[idx].poc_name,
- fake_opcode->func = (void *) (md_pseudo_table + idx);
+ fake_opcode->name = md_pseudo_table[idx].poc_name;
+ fake_opcode->func = (void *) (md_pseudo_table + idx);
fake_opcode->opcode = 250;
hash_insert (opcode_hash_control, fake_opcode->name, fake_opcode);
}
-
- linkrelax = 1;
}
struct z8k_exp {
int the_flags;
int the_interrupt;
-char *
+static char *whatreg PARAMS ((int *, char *));
+static char *parse_reg PARAMS ((char *, int *, unsigned int *));
+static char *parse_exp PARAMS ((char *, expressionS *));
+static char *checkfor PARAMS ((char *, char));
+static void regword PARAMS ((int, char *));
+static void regaddr PARAMS ((int, char *));
+static void get_ctrl_operand
+ PARAMS ((char **, struct z8k_op *, unsigned int));
+static void get_flags_operand
+ PARAMS ((char **, struct z8k_op *, unsigned int));
+static void get_interrupt_operand
+ PARAMS ((char **, struct z8k_op *, unsigned int));
+static void get_cc_operand
+ PARAMS ((char **, struct z8k_op *, unsigned int));
+static void get_operand
+ PARAMS ((char **, struct z8k_op *, unsigned int));
+static char *get_operands
+ PARAMS ((const opcode_entry_type *, char *, op_type *));
+static opcode_entry_type *get_specific
+ PARAMS ((opcode_entry_type *, op_type *));
+static void newfix
+ PARAMS ((int, int, int, expressionS *));
+static char *apply_fix
+ PARAMS ((char *, int, expressionS *, int));
+static void build_bytes
+ PARAMS ((opcode_entry_type *, struct z8k_op *));
+
+static char *
whatreg (reg, src)
int *reg;
char *src;
{
- if (isdigit (src[1]))
+ if (ISDIGIT (src[1]))
{
*reg = (src[0] - '0') * 10 + src[1] - '0';
return src + 2;
/* Try to parse a reg name. Return a pointer to the first character
in SRC after the reg name. */
-char *
+static char *
parse_reg (src, mode, reg)
char *src;
int *mode;
char *res = 0;
char regno;
- if (src[0] == 's' && src[1] == 'p')
+ if (src[0] == 's' && src[1] == 'p' && (src[2] == 0 || src[2] == ','))
{
if (segmented_mode)
{
{
if (src[1] == 'r')
{
+ if (src[2] < '0' || src[2] > '9')
+ return res; /* Assume no register name but a label starting with 'rr'. */
*mode = CLASS_REG_LONG;
res = whatreg (reg, src + 2);
regno = *reg;
}
else if (src[1] == 'h')
{
+ if (src[2] < '0' || src[2] > '9')
+ return res; /* Assume no register name but a label starting with 'rh'. */
*mode = CLASS_REG_BYTE;
res = whatreg (reg, src + 2);
regno = *reg;
}
else if (src[1] == 'l')
{
+ if (src[2] < '0' || src[2] > '9')
+ return res; /* Assume no register name but a label starting with 'rl'. */
*mode = CLASS_REG_BYTE;
res = whatreg (reg, src + 2);
regno = *reg;
}
else if (src[1] == 'q')
{
+ if (src[2] < '0' || src[2] > '9')
+ return res; /* Assume no register name but a label starting with 'rq'. */
*mode = CLASS_REG_QUAD;
res = whatreg (reg, src + 2);
regno = *reg;
}
else
{
+ if (src[1] < '0' || src[1] > '9')
+ return res; /* Assume no register name but a label starting with 'r'. */
*mode = CLASS_REG_WORD;
res = whatreg (reg, src + 1);
regno = *reg;
return res;
}
-char *
+static char *
parse_exp (s, op)
char *s;
expressionS *op;
};
struct ctrl_names ctrl_table[] = {
- 0x2, "fcw",
- 0X3, "refresh",
- 0x4, "psapseg",
- 0x5, "psapoff",
- 0x5, "psap",
- 0x6, "nspseg",
- 0x7, "nspoff",
- 0x7, "nsp",
- 0 , 0
+ { 0x2, "fcw" },
+ { 0x3, "refresh" },
+ { 0x4, "psapseg" },
+ { 0x5, "psapoff" },
+ { 0x5, "psap" },
+ { 0x6, "nspseg" },
+ { 0x7, "nspoff" },
+ { 0x7, "nsp" },
+ { 0 , 0 }
};
static void
get_ctrl_operand (ptr, mode, dst)
char **ptr;
struct z8k_op *mode;
- unsigned int dst;
+ unsigned int dst ATTRIBUTE_UNUSED;
{
char *src = *ptr;
- int r;
int i;
while (*src == ' ')
};
struct flag_names flag_table[] = {
- 0x1, "p",
- 0x1, "v",
- 0x2, "s",
- 0x4, "z",
- 0x8, "c",
- 0x0, "+",
- 0, 0
+ { 0x1, "p" },
+ { 0x1, "v" },
+ { 0x2, "s" },
+ { 0x4, "z" },
+ { 0x8, "c" },
+ { 0x0, "+" },
+ { 0, 0 }
};
static void
get_flags_operand (ptr, mode, dst)
char **ptr;
struct z8k_op *mode;
- unsigned int dst;
+ unsigned int dst ATTRIBUTE_UNUSED;
{
char *src = *ptr;
- int r;
int i;
int j;
};
struct interrupt_names intr_table[] = {
- 0x1, "nvi",
- 0x2, "vi",
- 0x3, "both",
- 0x3, "all",
- 0, 0
+ { 0x1, "nvi" },
+ { 0x2, "vi" },
+ { 0x3, "both" },
+ { 0x3, "all" },
+ { 0, 0 }
};
static void
get_interrupt_operand (ptr, mode, dst)
char **ptr;
struct z8k_op *mode;
- unsigned int dst;
+ unsigned int dst ATTRIBUTE_UNUSED;
{
char *src = *ptr;
- int r;
int i;
while (*src == ' ')
fail:
;
}
+ /* No interrupt type specified, opcode won't do anything. */
+ as_warn (_("opcode has no effect."));
the_interrupt = 0x0;
return;
}
struct cc_names {
int value;
char *name;
-
};
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
get_cc_operand (ptr, mode, dst)
char **ptr;
struct z8k_op *mode;
- unsigned int dst;
+ unsigned int dst ATTRIBUTE_UNUSED;
{
char *src = *ptr;
- int r;
int i;
while (*src == ' ')
get_operand (ptr, mode, dst)
char **ptr;
struct z8k_op *mode;
- unsigned int dst;
+ unsigned int dst ATTRIBUTE_UNUSED;
{
char *src = *ptr;
char *end;
- unsigned int num;
- unsigned int len;
- unsigned int size;
mode->mode = 0;
static char *
get_operands (opcode, op_end, operand)
- opcode_entry_type *opcode;
+ const opcode_entry_type *opcode;
char *op_end;
op_type *operand;
{
char *ptr = op_end;
char *savptr;
+ ptr++;
switch (opcode->noperands)
{
case 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 if (opcode->arg_info[0] == CLASS_FLAGS)
- {
- get_flags_operand (&ptr, operand + 0, 0);
- }
+ get_flags_operand (&ptr, operand + 0, 0);
+
else if (opcode->arg_info[0] == (CLASS_IMM + (ARG_IMM2)))
- {
- get_interrupt_operand (&ptr, operand + 0, 0);
- }
+ get_interrupt_operand (&ptr, operand + 0, 0);
+
else
- {
- get_operand (&ptr, operand + 0, 0);
- }
+ get_operand (&ptr, operand + 0, 0);
+
operand[1].mode = 0;
break;
case 2:
- ptr++;
savptr = ptr;
if (opcode->arg_info[0] == CLASS_CC)
- {
- get_cc_operand (&ptr, operand + 0, 0);
- }
+ get_cc_operand (&ptr, operand + 0, 0);
+
else if (opcode->arg_info[0] == CLASS_CTRL)
{
get_ctrl_operand (&ptr, operand + 0, 0);
+
if (the_ctrl == 0)
{
ptr = savptr;
get_operand (&ptr, operand + 0, 0);
+
if (ptr == 0)
- return;
+ return NULL;
if (*ptr == ',')
ptr++;
get_ctrl_operand (&ptr, operand + 1, 1);
}
}
else
- {
- get_operand (&ptr, operand + 0, 0);
- }
+ get_operand (&ptr, operand + 0, 0);
+
if (ptr == 0)
- return;
+ return NULL;
if (*ptr == ',')
ptr++;
get_operand (&ptr, operand + 1, 1);
break;
case 3:
- ptr++;
get_operand (&ptr, operand + 0, 0);
if (*ptr == ',')
ptr++;
break;
case 4:
- ptr++;
get_operand (&ptr, operand + 0, 0);
if (*ptr == ',')
ptr++;
get_specific (opcode, operands)
opcode_entry_type *opcode;
op_type *operands;
-
{
opcode_entry_type *this_try = opcode;
int found = 0;
unsigned int noperands = opcode->noperands;
- unsigned int dispreg;
- unsigned int this_index = opcode->idx;
+ int this_index = opcode->idx;
while (this_index == opcode->idx && !found)
{
this_try = opcode++;
for (i = 0; i < noperands; i++)
{
- int mode = operands[i].mode;
+ unsigned int mode = operands[i].mode;
if ((mode & CLASS_MASK) != (this_try->arg_info[i] & CLASS_MASK))
{
- /* It could be an pc rel operand, if this is a da mode
+ /* It could be a 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)
return 0;
}
+#if 0 /* Not used. */
static void
check_operand (operand, width, string)
struct z8k_op *operand;
}
}
+#endif
static char buffer[20];
static void
-newfix (ptr, type, operand)
+newfix (ptr, type, size, operand)
int ptr;
int type;
+ int size; /* nibbles. */
expressionS *operand;
{
if (operand->X_add_symbol
{
fix_new_exp (frag_now,
ptr,
- 1,
+ size / 2,
operand,
0,
type);
char *ptr;
int type;
expressionS *operand;
- int size;
+ int size; /* nibbles. */
{
- int n = operand->X_add_number;
+ long n = operand->X_add_number;
- operand->X_add_number = n;
- newfix ((ptr - buffer) / 2, type, operand);
-#if 1
+ newfix ((ptr - buffer) / 2, type, size + 1, operand);
switch (size)
{
- case 8: /* 8 nibbles == 32 bits */
+ case 8: /* 8 nibbles == 32 bits. */
*ptr++ = n >> 28;
*ptr++ = n >> 24;
*ptr++ = n >> 20;
*ptr++ = n >> 16;
- case 4: /* 4 niblles == 16 bits */
+ case 4: /* 4 nibbles == 16 bits. */
*ptr++ = n >> 12;
*ptr++ = n >> 8;
case 2:
*ptr++ = n >> 0;
break;
}
-#endif
return ptr;
-
}
/* Now we know what sort of opcodes it is. Let's build the bytes. */
static void
build_bytes (this_try, operand)
opcode_entry_type *this_try;
- struct z8k_op *operand;
+ struct z8k_op *operand ATTRIBUTE_UNUSED;
{
- unsigned int i;
-
- int length;
- char *output;
char *output_ptr = buffer;
- char part;
int c;
- char high;
- int nib;
int nibble;
unsigned int *class_ptr;
frag_wane (frag_now);
frag_new (0);
- memset (buffer, 20, 0);
+ memset (buffer, 0, sizeof (buffer));
class_ptr = this_try->byte_info;
- top:
- for (nibble = 0; c = *class_ptr++; nibble++)
+ for (nibble = 0; (c = *class_ptr++); nibble++)
{
switch (c & CLASS_MASK)
/* Direct address, we don't cope with the SS mode right now. */
if (segmented_mode)
{
- da_operand->X_add_number |= 0x80000000;
+ /* da_operand->X_add_number |= 0x80000000; -- Now set at relocation time. */
output_ptr = apply_fix (output_ptr, R_IMM32, da_operand, 8);
}
else
case CLASS_FLAGS:
*output_ptr++ = the_flags;
break;
+ case CLASS_IGNORE:
case CLASS_BIT:
*output_ptr++ = c & 0xf;
break;
output_ptr = apply_fix (output_ptr, R_CALLR, da_operand, 4);
break;
case ARG_DISP16:
- output_ptr = apply_fix (output_ptr, R_REL16, da_operand, 4);
- break;
- default:
- output_ptr = apply_fix (output_ptr, R_IMM16, da_operand, 4);
- }
+ output_ptr = apply_fix (output_ptr, R_REL16, da_operand, 4);
+ break;
+ default:
+ output_ptr = apply_fix (output_ptr, R_IMM16, da_operand, 4);
+ }
da_operand = 0;
break;
case CLASS_IMM:
{
- nib = 0;
switch (c & ARG_MASK)
{
- case ARG_IMM4:
+ case ARG_NIM4:
+ if (imm_operand->X_add_number > 15)
+ {
+ as_bad (_("immediate value out of range"));
+ }
+ imm_operand->X_add_number = -imm_operand->X_add_number;
output_ptr = apply_fix (output_ptr, R_IMM4L, imm_operand, 1);
break;
+ /*case ARG_IMMNMINUS1: not used. */
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--;
+ /* Drop through. */
+ case ARG_IMM4:
+ if (imm_operand->X_add_number > 15)
+ {
+ as_bad (_("immediate value out of range"));
+ }
output_ptr = apply_fix (output_ptr, R_IMM4L, imm_operand, 1);
break;
case ARG_NIM8:
imm_operand->X_add_number = -imm_operand->X_add_number;
+ /* Drop through. */
case ARG_IMM8:
output_ptr = apply_fix (output_ptr, R_IMM8, imm_operand, 2);
break;
case ARG_IMM16:
output_ptr = apply_fix (output_ptr, R_IMM16, imm_operand, 4);
break;
-
case ARG_IMM32:
output_ptr = apply_fix (output_ptr, R_IMM32, imm_operand, 8);
break;
-
default:
abort ();
}
md_assemble (str)
char *str;
{
+ char c;
char *op_start;
char *op_end;
- unsigned int i;
struct z8k_op operand[3];
opcode_entry_type *opcode;
opcode_entry_type *prev_opcode;
- char *dot = 0;
- char c;
-
/* Drop leading whitespace. */
while (*str == ' ')
str++;
if (opcode->opcode == 250)
{
- /* Was really a pseudo op. */
-
pseudo_typeS *p;
char oc;
-
char *old = input_line_pointer;
*op_end = c;
+ /* Was really a pseudo op. */
+
input_line_pointer = op_end;
oc = *old;
}
else
{
- input_line_pointer = get_operands (opcode, op_end, operand);
- prev_opcode = opcode;
+ char *new_input_line_pointer;
+
+ new_input_line_pointer = get_operands (opcode, op_end, operand);
+ if (new_input_line_pointer)
+ input_line_pointer = new_input_line_pointer;
+ prev_opcode = opcode; /* XXX is this used ?? */
opcode = get_specific (opcode, operand);
void
tc_crawl_symbol_chain (headers)
- object_headers *headers;
+ object_headers *headers ATTRIBUTE_UNUSED;
{
printf (_("call to tc_crawl_symbol_chain \n"));
}
+/* We have no need to default values of symbols. */
+
symbolS *
md_undefined_symbol (name)
- char *name;
+ char *name ATTRIBUTE_UNUSED;
{
return 0;
}
void
tc_headers_hook (headers)
- object_headers *headers;
+ object_headers *headers ATTRIBUTE_UNUSED;
{
printf (_("call to tc_headers_hook \n"));
}
LITTLENUM_TYPE words[MAX_LITTLENUMS];
LITTLENUM_TYPE *wordP;
char *t;
- char *atof_ieee ();
switch (type)
{
return 0;
}
\f
-CONST char *md_shortopts = "z:";
+const char *md_shortopts = "z:";
-struct option md_longopts[] = {
- {NULL, no_argument, NULL, 0}
-};
+struct option md_longopts[] =
+ {
+#define OPTION_RELAX (OPTION_MD_BASE)
+ {"linkrelax", no_argument, NULL, OPTION_RELAX},
+ {NULL, no_argument, NULL, 0}
+ };
size_t md_longopts_size = sizeof (md_longopts);
{
case 'z':
if (!strcmp (arg, "8001"))
- s_segm ();
+ s_segm (1);
else if (!strcmp (arg, "8002"))
- s_unseg ();
+ s_segm (0);
else
{
as_bad (_("invalid architecture -z%s"), arg);
return 0;
}
+ z8k_target_from_cmdline = 1;
+ break;
+
+ case OPTION_RELAX:
+ linkrelax = 1;
break;
default:
FILE *stream;
{
fprintf (stream, _("\
-Z8K options:\n\
--z8001 generate segmented code\n\
--z8002 generate unsegmented code\n"));
+ Z8K options:\n\
+ -z8001 generate segmented code\n\
+ -z8002 generate unsegmented code\n\
+ -linkrelax create linker relaxable code\n"));
}
\f
-void
-tc_aout_fix_to_chars ()
-{
- printf (_("call to tc_aout_fix_to_chars \n"));
- abort ();
-}
-
void
md_convert_frag (headers, seg, fragP)
- object_headers *headers;
- segT seg;
- fragS *fragP;
+ object_headers *headers ATTRIBUTE_UNUSED;
+ segT seg ATTRIBUTE_UNUSED;
+ fragS *fragP ATTRIBUTE_UNUSED;
{
- printf (_("call to md_convert_frag \n"));
+ printf (_("call to md_convert_frag\n"));
abort ();
}
{
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_fix3 (fixP, valP, segment)
+ fixS * fixP;
+ valueT * valP;
+ segT segment ATTRIBUTE_UNUSED;
{
+ long val = * (long *) valP;
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);
+ buf[0] = (buf[0] & 0xf0) | (val & 0xf);
break;
case R_JR:
-
+ val = val - fixP->fx_frag->fr_address + fixP->fx_where - fixP->fx_size;
+ if (val & 1)
+ as_bad (_("cannot branch to odd address"));
+ val /= 2;
+ if (val > 127 || val < -128)
+ as_bad (_("relative jump out of range"));
*buf++ = val;
-#if 0
- if (val != 0)
- abort ();
-#endif
+ fixP->fx_no_overflow = 1;
break;
case R_DISP7:
+ val = val - fixP->fx_frag->fr_address + fixP->fx_where - fixP->fx_size;
+ if (val & 1)
+ as_bad (_("cannot branch to odd address"));
+ val /= 2;
+ if (val > 0 || val < -128)
+ as_bad (_("relative jump out of range"));
+ *buf = (*buf & 0x80) | (val & 0x7f);
+ fixP->fx_no_overflow = 1;
+ break;
- *buf++ += val;
-#if 0
- if (val != 0)
- abort ();
-#endif
+ case R_CALLR:
+ if (val > 8191 || val < -8192)
+ as_bad (_("relative call out of range"));
+ val = -val;
+ *buf++ = (buf[0] & 0xf0) | ((val >> 8) & 0xf);
+ *buf++ = val & 0xff;
break;
case R_IMM8:
- buf[0] += val;
+ *buf++ = val;
break;
+
case R_IMM16:
*buf++ = (val >> 8);
*buf++ = val;
break;
+
case R_IMM32:
*buf++ = (val >> 24);
*buf++ = (val >> 16);
*buf++ = (val >> 8);
*buf++ = val;
break;
+
+ case R_REL16:
+ val = val - fixP->fx_frag->fr_address + fixP->fx_where - fixP->fx_size;
+ if (val > 32767 || val < -32768)
+ as_bad (_("relative address out of range"));
+ *buf++ = (val >> 8);
+ *buf++ = val;
+ fixP->fx_no_overflow = 1;
+ break;
+
#if 0
case R_DA | R_SEG:
*buf++ = (val >> 16);
break;
default:
+ printf(_("md_apply_fix3: unknown r_type 0x%x\n"), fixP->fx_r_type);
abort ();
}
+
+ if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
+ fixP->fx_done = 1;
}
int
md_estimate_size_before_relax (fragP, segment_type)
- register fragS *fragP;
- register segT segment_type;
+ register fragS *fragP ATTRIBUTE_UNUSED;
+ register segT segment_type ATTRIBUTE_UNUSED;
{
- printf (_("call tomd_estimate_size_before_relax \n"));
+ printf (_("call to md_estimate_size_before_relax\n"));
abort ();
}
long
md_pcrel_from (fixP)
- fixS *fixP;
+ fixS *fixP ATTRIBUTE_UNUSED;
{
abort ();
}
void
tc_coff_symbol_emit_hook (s)
- symbolS *s;
+ symbolS *s ATTRIBUTE_UNUSED;
{
}
projects / deliverable / binutils-gdb.git / blobdiff