/* tc-pdp11.c - pdp11-specific -
- Copyright 2001, 2002, 2004 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-/*
- Apparently unused functions:
- md_convert_frag
- md_estimate_size_before_relax
- md_create_short_jump
- md_create_long_jump
-*/
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#include "as.h"
#include "safe-ctype.h"
#include "opcode/pdp11.h"
-static int set_option PARAMS ((char *arg));
-static int set_cpu_model PARAMS ((char *arg));
-static int set_machine_model PARAMS ((char *arg));
-
-extern int flonum_gen2vax PARAMS ((char format_letter, FLONUM_TYPE * f,
- LITTLENUM_TYPE * words));
+extern int flonum_gen2vax (int, FLONUM_TYPE * f, LITTLENUM_TYPE *);
-#define TRUE 1
+#define TRUE 1
#define FALSE 0
-/*
- * A representation for PDP-11 machine code.
- */
+/* A representation for PDP-11 machine code. */
struct pdp11_code
{
char *error;
int code;
- int additional; /* is there an additional word? */
- int word; /* additional word, if any */
+ int additional; /* Is there an additional word? */
+ int word; /* Additional word, if any. */
struct
{
bfd_reloc_code_real_type type;
} reloc;
};
-/*
- * Instruction set extensions.
- *
- * If you change this from an array to something else, please update
- * the "PDP-11 instruction set extensions" comment in pdp11.h.
- */
+/* Instruction set extensions.
+
+ If you change this from an array to something else, please update
+ the "PDP-11 instruction set extensions" comment in pdp11.h. */
int pdp11_extension[PDP11_EXT_NUM];
-/*
- * Assembly options.
- */
+/* Assembly options. */
#define ASM_OPT_PIC 1
#define ASM_OPT_NUM 2
int asm_option[ASM_OPT_NUM];
/* These chars start a comment anywhere in a source file (except inside
- another comment */
+ another comment. */
const char comment_chars[] = "#/";
/* These chars only start a comment at the beginning of a line. */
const char line_separator_chars[] = ";";
-/* Chars that can be used to separate mant from exp in floating point nums */
+/* Chars that can be used to separate mant from exp in floating point nums. */
const char EXP_CHARS[] = "eE";
-/* Chars that mean this number is a floating point constant */
-/* as in 0f123.456 */
-/* or 0H1.234E-12 (see exp chars above) */
+/* Chars that mean this number is a floating point constant. */
+/* as in 0f123.456. */
+/* or 0H1.234E-12 (see exp chars above). */
const char FLT_CHARS[] = "dDfF";
void pseudo_even (int);
{ 0, 0, 0 },
};
+static struct hash_control *insn_hash = NULL;
+\f
+static int
+set_option (char *arg)
+{
+ int yes = 1;
+
+ if (strcmp (arg, "all-extensions") == 0
+ || strcmp (arg, "all") == 0)
+ {
+ memset (pdp11_extension, ~0, sizeof pdp11_extension);
+ pdp11_extension[PDP11_NONE] = 0;
+ return 1;
+ }
+ else if (strcmp (arg, "no-extensions") == 0)
+ {
+ memset (pdp11_extension, 0, sizeof pdp11_extension);
+ pdp11_extension[PDP11_BASIC] = 1;
+ return 1;
+ }
+
+ if (strncmp (arg, "no-", 3) == 0)
+ {
+ yes = 0;
+ arg += 3;
+ }
+
+ /* Commersial instructions. */
+ if (strcmp (arg, "cis") == 0)
+ pdp11_extension[PDP11_CIS] = yes;
+ /* Call supervisor mode. */
+ else if (strcmp (arg, "csm") == 0)
+ pdp11_extension[PDP11_CSM] = yes;
+ /* Extended instruction set. */
+ else if (strcmp (arg, "eis") == 0)
+ pdp11_extension[PDP11_EIS] = pdp11_extension[PDP11_LEIS] = yes;
+ /* KEV11 floating-point. */
+ else if (strcmp (arg, "fis") == 0
+ || strcmp (arg, "kev11") == 0
+ || strcmp (arg, "kev-11") == 0)
+ pdp11_extension[PDP11_FIS] = yes;
+ /* FP-11 floating-point. */
+ else if (strcmp (arg, "fpp") == 0
+ || strcmp (arg, "fpu") == 0
+ || strcmp (arg, "fp11") == 0
+ || strcmp (arg, "fp-11") == 0
+ || strcmp (arg, "fpj11") == 0
+ || strcmp (arg, "fp-j11") == 0
+ || strcmp (arg, "fpj-11") == 0)
+ pdp11_extension[PDP11_FPP] = yes;
+ /* Limited extended insns. */
+ else if (strcmp (arg, "limited-eis") == 0)
+ {
+ pdp11_extension[PDP11_LEIS] = yes;
+ if (!pdp11_extension[PDP11_LEIS])
+ pdp11_extension[PDP11_EIS] = 0;
+ }
+ /* Move from processor type. */
+ else if (strcmp (arg, "mfpt") == 0)
+ pdp11_extension[PDP11_MFPT] = yes;
+ /* Multiprocessor insns: */
+ else if (strncmp (arg, "mproc", 5) == 0
+ /* TSTSET, WRTLCK */
+ || strncmp (arg, "multiproc", 9) == 0)
+ pdp11_extension[PDP11_MPROC] = yes;
+ /* Move from/to proc status. */
+ else if (strcmp (arg, "mxps") == 0)
+ pdp11_extension[PDP11_MXPS] = yes;
+ /* Position-independent code. */
+ else if (strcmp (arg, "pic") == 0)
+ asm_option[ASM_OPT_PIC] = yes;
+ /* Set priority level. */
+ else if (strcmp (arg, "spl") == 0)
+ pdp11_extension[PDP11_SPL] = yes;
+ /* Microcode instructions: */
+ else if (strcmp (arg, "ucode") == 0
+ /* LDUB, MED, XFC */
+ || strcmp (arg, "microcode") == 0)
+ pdp11_extension[PDP11_UCODE] = yes;
+ else
+ return 0;
+
+ return 1;
+}
+
+
static void
-init_defaults ()
+init_defaults (void)
{
static int first = 1;
}
}
-static struct hash_control *insn_hash = NULL;
-
void
-md_begin ()
+md_begin (void)
{
int i;
as_fatal ("Virtual memory exhausted");
for (i = 0; i < pdp11_num_opcodes; i++)
- hash_insert (insn_hash, pdp11_opcodes[i].name, (PTR)(pdp11_opcodes + i));
+ hash_insert (insn_hash, pdp11_opcodes[i].name, (void *) (pdp11_opcodes + i));
for (i = 0; i < pdp11_num_aliases; i++)
- hash_insert (insn_hash, pdp11_aliases[i].name, (PTR)(pdp11_aliases + i));
+ hash_insert (insn_hash, pdp11_aliases[i].name, (void *) (pdp11_aliases + i));
}
void
-md_number_to_chars (con, value, nbytes)
- char con[];
- valueT value;
- int nbytes;
+md_number_to_chars (char con[], valueT value, int nbytes)
{
/* On a PDP-11, 0x1234 is stored as "\x12\x34", and
- * 0x12345678 is stored as "\x56\x78\x12\x34". It's
- * anyones guess what 0x123456 would be stored like.
- */
+ 0x12345678 is stored as "\x56\x78\x12\x34". It's
+ anyones guess what 0x123456 would be stored like. */
switch (nbytes)
{
con[0] = value & 0xff;
break;
case 2:
- con[0] = value & 0xff;
+ con[0] = value & 0xff;
con[1] = (value >> 8) & 0xff;
break;
case 4:
con[0] = (value >> 16) & 0xff;
con[1] = (value >> 24) & 0xff;
- con[2] = value & 0xff;
+ con[2] = value & 0xff;
con[3] = (value >> 8) & 0xff;
break;
default:
that they reference. Knows about order of bytes in address. */
void
-md_apply_fix3 (fixP, valP, seg)
- fixS *fixP;
- valueT * valP;
- segT seg ATTRIBUTE_UNUSED;
+md_apply_fix (fixS *fixP,
+ valueT * valP,
+ segT seg ATTRIBUTE_UNUSED)
{
valueT code;
valueT mask;
buf = fixP->fx_where + fixP->fx_frag->fr_literal;
size = fixP->fx_size;
- code = md_chars_to_number (buf, size);
+ code = md_chars_to_number ((unsigned char *) buf, size);
switch (fixP->fx_r_type)
{
int nbytes; /* Number of bytes in the input. */
{
/* On a PDP-11, 0x1234 is stored as "\x12\x34", and
- * 0x12345678 is stored as "\x56\x78\x12\x34". It's
- * anyones guess what 0x123456 would be stored like.
- */
-
+ 0x12345678 is stored as "\x56\x78\x12\x34". It's
+ anyones guess what 0x123456 would be stored like. */
switch (nbytes)
{
case 0:
return (con[1] << BITS_PER_CHAR) | con[0];
case 4:
return
- (((con[1] << BITS_PER_CHAR) | con[0]) << (2 * BITS_PER_CHAR)) |
- ((con[3] << BITS_PER_CHAR) | con[2]);
+ (((con[1] << BITS_PER_CHAR) | con[0]) << (2 * BITS_PER_CHAR))
+ |((con[3] << BITS_PER_CHAR) | con[2]);
default:
BAD_CASE (nbytes);
return 0;
return str - 1;
}
}
- else if (strncmp (str, "sp", 2) == 0 ||
- strncmp (str, "SP", 2) == 0)
+ else if (strncmp (str, "sp", 2) == 0
+ || strncmp (str, "SP", 2) == 0)
{
operand->code = 6;
str += 2;
}
- else if (strncmp (str, "pc", 2) == 0 ||
- strncmp (str, "PC", 2) == 0)
+ else if (strncmp (str, "pc", 2) == 0
+ || strncmp (str, "PC", 2) == 0)
{
operand->code = 7;
str += 2;
parse_ac5 (char *str, struct pdp11_code *operand)
{
str = skip_whitespace (str);
- if (strncmp (str, "fr", 2) == 0 ||
- strncmp (str, "FR", 2) == 0 ||
- strncmp (str, "ac", 2) == 0 ||
- strncmp (str, "AC", 2) == 0)
+ if (strncmp (str, "fr", 2) == 0
+ || strncmp (str, "FR", 2) == 0
+ || strncmp (str, "ac", 2) == 0
+ || strncmp (str, "AC", 2) == 0)
{
str += 2;
switch (*str)
operand->reloc.pc_rel = 0;
-#if 0
- /* FIXME: what follows is broken badly. You can't deal with differences
- in radix conventions this way, because of symbolic constants, constant
- expressions made up of pieces of differing radix, etc. The only
- choices are to change ../expr.c to know about pdp11 conventions, or
- to accept the fact that gas will use consistent conventions that differ
- from those of traditional pdp11 assemblers. For now, I've
- chosen the latter. paul koning, 12/23/2001
- */
- if (operand->reloc.exp.X_op == O_constant)
- {
- if (*str == '.')
- str++;
- else
- {
- /* FIXME: buffer overflow! */
- char buf[100];
- char *end;
-
- sprintf (buf, "%ld", operand->reloc.exp.X_add_number);
- operand->reloc.exp.X_add_number = strtol (buf, &end, 8);
- }
- }
-#endif
return str;
}
}
break;
- case '#': /* immediate */
+ /* Immediate. */
+ case '#':
case '$':
str = parse_expression (str + 1, operand);
if (operand->error)
operand->error = "Error in expression";
break;
}
- /* it's a floating literal... */
+ /* It's a floating literal... */
know (operand->reloc.exp.X_add_number < 0);
flonum_gen2vax ('f', &generic_floating_point_number, literal_float);
operand->word = literal_float[0];
operand->code = 027;
break;
- default: /* label, d(rn), -(rn) */
+ /* label, d(rn), -(rn) */
+ default:
{
char *old = str;
str = skip_whitespace (str);
- if (*str != '(') /* label */
+ if (*str != '(')
{
if (operand->reloc.exp.X_op != O_symbol)
{
break;
}
- str++; /* d(rn) */
+ /* d(rn) */
+ str++;
str = parse_reg (str, operand);
if (operand->error)
return str;
operand->word = operand->reloc.exp.X_add_number;
}
else
- {
- operand->word = operand->reloc.exp.X_add_number;
- }
+ operand->word = operand->reloc.exp.X_add_number;
+
break;
default:
BAD_CASE (operand->reloc.exp.X_op);
}
void
-md_assemble (instruction_string)
- char *instruction_string;
+md_assemble (char *instruction_string)
{
const struct pdp11_opcode *op;
struct pdp11_code insn, op1, op2;
*p = c;
if (op == 0)
{
-#if 0
- op1.error = NULL;
- op1.additional = FALSE;
- op1.reloc.type = BFD_RELOC_NONE;
- op1.code = 0;
- op1.word = 0;
- str = parse_expression (str, &op1);
- if (op1.error)
- {
- as_bad (op1.error);
- return;
- }
-
- {
- char *to = frag_more (2);
-
- md_number_to_chars (to, op1.code, 2);
- if (insn.reloc.type != BFD_RELOC_NONE)
- fix_new_exp (frag_now, to - frag_now->fr_literal, 2,
- &insn.reloc.exp, insn.reloc.pc_rel, insn.reloc.type);
- }
-#else
as_bad (_("Unknown instruction '%s'"), str);
-#endif
-
return;
}
}
int
-md_estimate_size_before_relax (fragP, segment)
- fragS *fragP ATTRIBUTE_UNUSED;
- segT segment ATTRIBUTE_UNUSED;
+md_estimate_size_before_relax (fragS *fragP ATTRIBUTE_UNUSED,
+ segT segment ATTRIBUTE_UNUSED)
{
return 0;
}
void
-md_convert_frag (headers, seg, fragP)
- bfd *headers ATTRIBUTE_UNUSED;
- segT seg ATTRIBUTE_UNUSED;
- fragS *fragP ATTRIBUTE_UNUSED;
+md_convert_frag (bfd *headers ATTRIBUTE_UNUSED,
+ segT seg ATTRIBUTE_UNUSED,
+ fragS *fragP ATTRIBUTE_UNUSED)
{
}
-const int md_short_jump_size = 2;
-const int md_long_jump_size = 4;
+int md_short_jump_size = 2;
+int md_long_jump_size = 4;
void
-md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
- char *ptr ATTRIBUTE_UNUSED;
- addressT from_addr ATTRIBUTE_UNUSED;
- addressT to_addr ATTRIBUTE_UNUSED;
- fragS *frag ATTRIBUTE_UNUSED;
- symbolS *to_symbol ATTRIBUTE_UNUSED;
+md_create_short_jump (char *ptr ATTRIBUTE_UNUSED,
+ addressT from_addr ATTRIBUTE_UNUSED,
+ addressT to_addr ATTRIBUTE_UNUSED,
+ fragS *frag ATTRIBUTE_UNUSED,
+ symbolS *to_symbol ATTRIBUTE_UNUSED)
{
}
void
-md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
- char *ptr ATTRIBUTE_UNUSED;
- addressT from_addr ATTRIBUTE_UNUSED;
- addressT to_addr ATTRIBUTE_UNUSED;
- fragS *frag ATTRIBUTE_UNUSED;
- symbolS *to_symbol ATTRIBUTE_UNUSED;
+md_create_long_jump (char *ptr ATTRIBUTE_UNUSED,
+ addressT from_addr ATTRIBUTE_UNUSED,
+ addressT to_addr ATTRIBUTE_UNUSED,
+ fragS *frag ATTRIBUTE_UNUSED,
+ symbolS *to_symbol ATTRIBUTE_UNUSED)
{
}
static int
-set_option (arg)
- char *arg;
-{
- int yes = 1;
-
- if (strcmp (arg, "all-extensions") == 0 ||
- strcmp (arg, "all") == 0)
- {
- memset (pdp11_extension, ~0, sizeof pdp11_extension);
- pdp11_extension[PDP11_NONE] = 0;
- return 1;
- }
- else if (strcmp (arg, "no-extensions") == 0)
- {
- memset (pdp11_extension, 0, sizeof pdp11_extension);
- pdp11_extension[PDP11_BASIC] = 1;
- return 1;
- }
-
- if (strncmp (arg, "no-", 3) == 0)
- {
- yes = 0;
- arg += 3;
- }
-
- if (strcmp (arg, "cis") == 0) /* commersial instructions */
- pdp11_extension[PDP11_CIS] = yes;
- else if (strcmp (arg, "csm") == 0) /* call supervisor mode */
- pdp11_extension[PDP11_CSM] = yes;
- else if (strcmp (arg, "eis") == 0) /* extended instruction set */
- pdp11_extension[PDP11_EIS] = pdp11_extension[PDP11_LEIS] = yes;
- else if (strcmp (arg, "fis") == 0 || /* KEV11 floating-point */
- strcmp (arg, "kev11") == 0 ||
- strcmp (arg, "kev-11") == 0)
- pdp11_extension[PDP11_FIS] = yes;
- else if (strcmp (arg, "fpp") == 0 || /* FP-11 floating-point */
- strcmp (arg, "fpu") == 0 ||
- strcmp (arg, "fp11") == 0 ||
- strcmp (arg, "fp-11") == 0 ||
- strcmp (arg, "fpj11") == 0 ||
- strcmp (arg, "fp-j11") == 0 ||
- strcmp (arg, "fpj-11") == 0)
- pdp11_extension[PDP11_FPP] = yes;
- else if (strcmp (arg, "limited-eis") == 0) /* limited extended insns */
- {
- pdp11_extension[PDP11_LEIS] = yes;
- if (!pdp11_extension[PDP11_LEIS])
- pdp11_extension[PDP11_EIS] = 0;
- }
- else if (strcmp (arg, "mfpt") == 0) /* move from processor type */
- pdp11_extension[PDP11_MFPT] = yes;
- else if (strncmp (arg, "mproc", 5) == 0 || /* multiprocessor insns: */
- strncmp (arg, "multiproc", 9) == 0 ) /* TSTSET, WRTLCK */
- pdp11_extension[PDP11_MPROC] = yes;
- else if (strcmp (arg, "mxps") == 0) /* move from/to proc status */
- pdp11_extension[PDP11_MXPS] = yes;
- else if (strcmp (arg, "pic") == 0) /* position-independent code */
- asm_option[ASM_OPT_PIC] = yes;
- else if (strcmp (arg, "spl") == 0) /* set priority level */
- pdp11_extension[PDP11_SPL] = yes;
- else if (strcmp (arg, "ucode") == 0 || /* microcode instructions: */
- strcmp (arg, "microcode") == 0) /* LDUB, MED, XFC */
- pdp11_extension[PDP11_UCODE] = yes;
- else
- return 0;
-
- return 1;
-}
-
-static int
-set_cpu_model (arg)
- char *arg;
+set_cpu_model (char *arg)
{
char buf[4];
char *model = buf;
if (model[-1] == 'd')
{
- if (arg[0] == 'f' ||
- arg[0] == 'j')
+ if (arg[0] == 'f' || arg[0] == 'j')
model[-1] = *arg++;
}
else if (model[-1] == 'x')
return 0;
}
- /* allow up to two revision letters */
+ /* Allow up to two revision letters. */
if (arg[0] != 0)
*model++ = *arg++;
if (arg[0] != 0)
set_option ("no-extensions");
- if (strncmp (buf, "a", 1) == 0) /* KA11 (11/15/20) */
- return 1; /* no extensions */
+ /* KA11 (11/15/20). */
+ if (strncmp (buf, "a", 1) == 0)
+ return 1; /* No extensions. */
- else if (strncmp (buf, "b", 1) == 0) /* KB11 (11/45/50/55/70) */
- return set_option ("eis") &&
- set_option ("spl");
+ /* KB11 (11/45/50/55/70). */
+ else if (strncmp (buf, "b", 1) == 0)
+ return set_option ("eis") && set_option ("spl");
- else if (strncmp (buf, "da", 2) == 0) /* KD11-A (11/35/40) */
+ /* KD11-A (11/35/40). */
+ else if (strncmp (buf, "da", 2) == 0)
return set_option ("limited-eis");
- else if (strncmp (buf, "db", 2) == 0 || /* KD11-B (11/05/10) */
- strncmp (buf, "dd", 2) == 0) /* KD11-D (11/04) */
+ /* KD11-B (11/05/10). */
+ else if (strncmp (buf, "db", 2) == 0
+ /* KD11-D (11/04). */
+ || strncmp (buf, "dd", 2) == 0)
return 1; /* no extensions */
- else if (strncmp (buf, "de", 2) == 0) /* KD11-E (11/34) */
- return set_option ("eis") &&
- set_option ("mxps");
-
- else if (strncmp (buf, "df", 2) == 0 || /* KD11-F (11/03) */
- strncmp (buf, "dh", 2) == 0 || /* KD11-H (11/03) */
- strncmp (buf, "dq", 2) == 0) /* KD11-Q (11/03) */
- return set_option ("limited-eis") &&
- set_option ("mxps");
-
- else if (strncmp (buf, "dk", 2) == 0) /* KD11-K (11/60) */
- return set_option ("eis") &&
- set_option ("mxps") &&
- set_option ("ucode");
-
- else if (strncmp (buf, "dz", 2) == 0) /* KD11-Z (11/44) */
- return set_option ("csm") &&
- set_option ("eis") &&
- set_option ("mfpt") &&
- set_option ("mxps") &&
- set_option ("spl");
-
- else if (strncmp (buf, "f", 1) == 0) /* F11 (11/23/24) */
- return set_option ("eis") &&
- set_option ("mfpt") &&
- set_option ("mxps");
-
- else if (strncmp (buf, "j", 1) == 0) /* J11 (11/53/73/83/84/93/94)*/
- return set_option ("csm") &&
- set_option ("eis") &&
- set_option ("mfpt") &&
- set_option ("multiproc") &&
- set_option ("mxps") &&
- set_option ("spl");
-
- else if (strncmp (buf, "t", 1) == 0) /* T11 (11/21) */
- return set_option ("limited-eis") &&
- set_option ("mxps");
+ /* KD11-E (11/34). */
+ else if (strncmp (buf, "de", 2) == 0)
+ return set_option ("eis") && set_option ("mxps");
+
+ /* KD11-F (11/03). */
+ else if (strncmp (buf, "df", 2) == 0
+ /* KD11-H (11/03). */
+ || strncmp (buf, "dh", 2) == 0
+ /* KD11-Q (11/03). */
+ || strncmp (buf, "dq", 2) == 0)
+ return set_option ("limited-eis") && set_option ("mxps");
+
+ /* KD11-K (11/60). */
+ else if (strncmp (buf, "dk", 2) == 0)
+ return set_option ("eis")
+ && set_option ("mxps")
+ && set_option ("ucode");
+
+ /* KD11-Z (11/44). */
+ else if (strncmp (buf, "dz", 2) == 0)
+ return set_option ("csm")
+ && set_option ("eis")
+ && set_option ("mfpt")
+ && set_option ("mxps")
+ && set_option ("spl");
+
+ /* F11 (11/23/24). */
+ else if (strncmp (buf, "f", 1) == 0)
+ return set_option ("eis")
+ && set_option ("mfpt")
+ && set_option ("mxps");
+
+ /* J11 (11/53/73/83/84/93/94). */
+ else if (strncmp (buf, "j", 1) == 0)
+ return set_option ("csm")
+ && set_option ("eis")
+ && set_option ("mfpt")
+ && set_option ("multiproc")
+ && set_option ("mxps")
+ && set_option ("spl");
+
+ /* T11 (11/21). */
+ else if (strncmp (buf, "t", 1) == 0)
+ return set_option ("limited-eis")
+ && set_option ("mxps");
else
return 0;
}
static int
-set_machine_model (arg)
- char *arg;
+set_machine_model (char *arg)
{
- if (strncmp (arg, "pdp-11/", 7) != 0 &&
- strncmp (arg, "pdp11/", 6) != 0 &&
- strncmp (arg, "11/", 3) != 0)
+ if (strncmp (arg, "pdp-11/", 7) != 0
+ && strncmp (arg, "pdp11/", 6) != 0
+ && strncmp (arg, "11/", 3) != 0)
return 0;
if (strncmp (arg, "pdp", 3) == 0)
if (strncmp (arg, "11/", 3) == 0)
arg += 3;
- if (strcmp (arg, "03") == 0) /* 11/03 */
- return set_cpu_model ("kd11f"); /* KD11-F */
+ if (strcmp (arg, "03") == 0)
+ return set_cpu_model ("kd11f");
+
+ else if (strcmp (arg, "04") == 0)
+ return set_cpu_model ("kd11d");
- else if (strcmp (arg, "04") == 0) /* 11/04 */
- return set_cpu_model ("kd11d"); /* KD11-D */
+ else if (strcmp (arg, "05") == 0
+ || strcmp (arg, "10") == 0)
+ return set_cpu_model ("kd11b");
- else if (strcmp (arg, "05") == 0 || /* 11/05 or 11/10 */
- strcmp (arg, "10") == 0)
- return set_cpu_model ("kd11b"); /* KD11-B */
+ else if (strcmp (arg, "15") == 0
+ || strcmp (arg, "20") == 0)
+ return set_cpu_model ("ka11");
- else if (strcmp (arg, "15") == 0 || /* 11/15 or 11/20 */
- strcmp (arg, "20") == 0)
- return set_cpu_model ("ka11"); /* KA11 */
+ else if (strcmp (arg, "21") == 0)
+ return set_cpu_model ("t11");
- else if (strcmp (arg, "21") == 0) /* 11/21 */
- return set_cpu_model ("t11"); /* T11 */
+ else if (strcmp (arg, "23") == 0
+ || strcmp (arg, "24") == 0)
+ return set_cpu_model ("f11");
- else if (strcmp (arg, "23") == 0 || /* 11/23 or 11/24 */
- strcmp (arg, "24") == 0)
- return set_cpu_model ("f11"); /* F11 */
+ else if (strcmp (arg, "34") == 0
+ || strcmp (arg, "34a") == 0)
+ return set_cpu_model ("kd11e");
- else if (strcmp (arg, "34") == 0 || /* 11/34 or 11/34a */
- strcmp (arg, "34a") == 0)
- return set_cpu_model ("kd11e"); /* KD11-E */
+ else if (strcmp (arg, "35") == 0
+ || strcmp (arg, "40") == 0)
+ return set_cpu_model ("kd11da");
- else if (strcmp (arg, "35") == 0 || /* 11/35 or 11/40 */
- strcmp (arg, "40") == 0)
- return set_cpu_model ("kd11da"); /* KD11-A */
+ else if (strcmp (arg, "44") == 0)
+ return set_cpu_model ("kd11dz");
- else if (strcmp (arg, "44") == 0) /* 11/44 */
- return set_cpu_model ("kd11dz"); /* KD11-Z */
+ else if (strcmp (arg, "45") == 0
+ || strcmp (arg, "50") == 0
+ || strcmp (arg, "55") == 0
+ || strcmp (arg, "70") == 0)
+ return set_cpu_model ("kb11");
- else if (strcmp (arg, "45") == 0 || /* 11/45/50/55/70 */
- strcmp (arg, "50") == 0 ||
- strcmp (arg, "55") == 0 ||
- strcmp (arg, "70") == 0)
- return set_cpu_model ("kb11"); /* KB11 */
+ else if (strcmp (arg, "60") == 0)
+ return set_cpu_model ("kd11k");
- else if (strcmp (arg, "60") == 0) /* 11/60 */
- return set_cpu_model ("kd11k"); /* KD11-K */ /* FPP? */
+ else if (strcmp (arg, "53") == 0
+ || strcmp (arg, "73") == 0
+ || strcmp (arg, "83") == 0
+ || strcmp (arg, "84") == 0
+ || strcmp (arg, "93") == 0
+ || strcmp (arg, "94") == 0)
+ return set_cpu_model ("j11")
+ && set_option ("fpp");
- else if (strcmp (arg, "53") == 0 || /* 11/53/73/83/84/93/94 */
- strcmp (arg, "73") == 0 ||
- strcmp (arg, "83") == 0 ||
- strcmp (arg, "84") == 0 ||
- strcmp (arg, "93") == 0 ||
- strcmp (arg, "94") == 0)
- return set_cpu_model ("j11") && /* J11 */
- set_option ("fpp"); /* All J11 machines come */
- /* with FPP installed. */
else
return 0;
}
size_t md_longopts_size = sizeof (md_longopts);
-/*
- * md_parse_option
- * Invocation line includes a switch not recognized by the base assembler.
- * See if it's a processor-specific option.
- */
+/* Invocation line includes a switch not recognized by the base assembler.
+ See if it's a processor-specific option. */
int
-md_parse_option (c, arg)
- int c;
- char *arg;
+md_parse_option (int c, char *arg)
{
init_defaults ();
return 0;
}
-/*
-One possible way of parsing options.
-
-enum
-{
- OPTION_CSM,
- OPTION_CIS,
- ...
-};
-
-struct
-{
- const char *pattern;
- int opt;
- const char *description;
-} options;
-
-static struct options extension_opts[] =
-{
- { "Ncsm", OPTION_CSM,
- "allow (disallow) CSM instruction" },
- { "Ncis", OPTION_CIS,
- "allow (disallow) commersial instruction set" },
- { "Neis", OPTION_EIS,
- "allow (disallow) extended instruction set" },
- ...
- { "all-extensions", OPTION_ALL_EXTENSIONS,
- "allow all instruction set extensions\n\
- (this is the default)" },
- { "no-extensions", OPTION_NO_EXTENSIONS,
- "disallow all instruction set extensions" },
- { "pic", OPTION_PIC,
- "position-independent code" },
-};
-
-static struct options cpu_opts[] =
-{
- { "Ka_11_*", OPTION_KA11, "KA11 CPU. ..." },
- { "Kb_11_*", OPTION_KB11, "KB11 CPU. ..." },
- { "Kd_11_a*", OPTION_KD11A, "KD11-A CPU. ..." },
- { "Kd_11_b*", OPTION_KD11B, "KD11-B CPU. ..." },
- { "Kd_11_d*", OPTION_KD11D, "KD11-D CPU. ..." },
- { "Kd_11_e*", OPTION_KD11E, "KD11-E CPU. ..." },
- { "Kd_11_f*", OPTION_KD11F, "KD11-F CPU. ..." },
- { "Kd_11_h*", OPTION_KD11H, "KD11-H CPU. ..." },
- { "Kd_11_q*", OPTION_KD11Q, "KD11-Q CPU. ..." },
- { "Kd_11_z*", OPTION_KD11Z, "KD11-Z CPU. ..." },
- { "Df_11_*", OPTION_F11, "F11 CPU. ..." },
- { "Dj_11_*", OPTION_J11, "J11 CPU. ..." },
- { "Dt_11_*", OPTION_T11, "T11 CPU. ..." },
-};
-
-static struct options model_opts[] =
-{
- { "P03", OPTION_PDP11_03, "same as ..." },
- { "P04", OPTION_PDP11_04, "same as ..." },
- { "P05", OPTION_PDP11_05, "same as ..." },
- { "P10", OPTION_PDP11_10, "same as ..." },
- { "P15", OPTION_PDP11_15, "same as ..." },
- { "P20", OPTION_PDP11_20, "same as ..." },
- { "P21", OPTION_PDP11_21, "same as ..." },
- { "P24", OPTION_PDP11_24, "same as ..." },
- { "P34", OPTION_PDP11_34, "same as ..." },
- { "P34a", OPTION_PDP11_34A, "same as ..." },
- { "P40", OPTION_PDP11_40, "same as ..." },
- { "P44", OPTION_PDP11_44, "same as ..." },
- { "P45", OPTION_PDP11_45, "same as ..." },
- { "P50", OPTION_PDP11_50, "same as ..." },
- { "P53", OPTION_PDP11_53, "same as ..." },
- { "P55", OPTION_PDP11_55, "same as ..." },
- { "P60", OPTION_PDP11_60, "same as ..." },
- { "P70", OPTION_PDP11_70, "same as ..." },
- { "P73", OPTION_PDP11_73, "same as ..." },
- { "P83", OPTION_PDP11_83, "same as ..." },
- { "P84", OPTION_PDP11_84, "same as ..." },
- { "P93", OPTION_PDP11_93, "same as ..." },
- { "P94", OPTION_PDP11_94, "same as ..." },
-};
-
-struct
-{
- const char *title;
- struct options *opts;
- int num;
-} all_opts[] =
-{
- { "PDP-11 instruction set extentions",
- extension_opts,
- sizeof extension_opts / sizeof extension_opts[0] },
- { "PDP-11 CPU model options",
- cpu_opts,
- sizeof cpu_opts / sizeof cpu_opts[0] },
- { "PDP-11 machine model options",
- model_opts,
- sizeof model_opts / sizeof model_opts[0] },
-};
-
-int
-parse_match (char *arg, char *pattern)
-{
- int yes = 1;
-
- while (*pattern)
- {
- switch (*pattern++)
- {
- case 'N':
- if (strncmp (arg, "no-") == 0)
- {
- yes = 0;
- arg += 3;
- }
- break;
-
- case 'K':
- if (arg[0] == 'k')
- arg++;
- break;
-
- case 'D':
- if (strncmp (arg, "kd", 2) == 0)
- arg +=2;
- break;
-
- case 'P':
- if (strncmp (arg, "pdp-11/", 7) == 0)
- arg += 7;
- else if (strncmp (arg, "pdp11/", 6) == 0)
- arg += 6;
- else if (strncmp (arg, "11/", 3) == 0)
- arg += 3;
- break;
-
- case '_':
- if (arg[0] == "-")
- {
- if (*++arg == 0)
- return 0;
- }
- break;
-
- case '*':
- return 1;
-
- default:
- if (*arg++ != pattern[-1])
- return 0;
- }
- }
-
- return arg[0] == 0;
-}
-
-int
-fprint_opt (stream, pattern)
- FILE *stream;
- const char *pattern;
-{
- int n;
-
- while (*pattern)
- {
- switch (*pattern++)
- {
- case 'N':
- n += fprintf (stream, "(no-)");
- break;
-
- case 'K':
- n += fprintf (stream, "k");
- break;
-
- case 'P':
- n += fprintf (stream "11/");
- break;
-
- case 'D':
- case '_':
- case '*':
- break;
-
- default:
- fputc (pattern[-1], stream);
- n++;
- }
- }
-
- return n;
-}
-
-int
-parse_option (char *arg)
-{
- int i, j;
-
- for (i = 0; i < sizeof all_opts / sizeof all_opts[0]; i++)
- {
- for (j = 0; j < all_opts[i].num; j++)
- {
- if (parse_match (arg, all_opts[i].opts[j].pattern))
- {
- set_option (all_opts[i].opts[j].opt);
- return 1;
- }
- }
- }
-
- return 0;
-}
-
-static void
-fprint_space (stream, n)
- FILE *stream;
- int n;
-{
- while (n--)
- fputc (' ', stream);
-}
-
void
-md_show_usage (stream)
- FILE *stream;
-{
- int i, j, n;
-
- for (i = 0; i < sizeof all_opts / sizeof all_opts[0]; i++)
- {
- fprintf (stream "\n%s:\n\n", all_opts[i].title);
-
- for (j = 0; j < all_opts[i].num; j++)
- {
- fprintf (stream, "-m");
- n = fprintf_opt (stream, all_opts[i].opts[j].pattern);
- fprint_space (stream, 22 - n);
- fprintf (stream, "%s\n", all_opts[i].opts[j].description);
- }
- }
-}
-*/
-
-void
-md_show_usage (stream)
- FILE *stream;
+md_show_usage (FILE *stream)
{
fprintf (stream, "\
\n\
}
symbolS *
-md_undefined_symbol (name)
- char *name ATTRIBUTE_UNUSED;
+md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
{
return 0;
}
valueT
-md_section_align (segment, size)
- segT segment ATTRIBUTE_UNUSED;
- valueT size;
+md_section_align (segT segment ATTRIBUTE_UNUSED,
+ valueT size)
{
return (size + 1) & ~1;
}
long
-md_pcrel_from (fixP)
- fixS *fixP;
+md_pcrel_from (fixS *fixP)
{
return fixP->fx_frag->fr_address + fixP->fx_where + fixP->fx_size;
}
/* Translate internal representation of relocation info to BFD target
format. */
+
arelent *
-tc_gen_reloc (section, fixp)
- asection *section ATTRIBUTE_UNUSED;
- fixS *fixp;
+tc_gen_reloc (asection *section ATTRIBUTE_UNUSED,
+ fixS *fixp)
{
arelent *reloc;
bfd_reloc_code_real_type code;
- reloc = (arelent *) xmalloc (sizeof (arelent));
+ reloc = xmalloc (sizeof (* reloc));
- reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
- /* This is taken account for in md_apply_fix3(). */
+ /* This is taken account for in md_apply_fix(). */
reloc->addend = -symbol_get_bfdsym (fixp->fx_addsy)->section->vma;
switch (fixp->fx_r_type)
}
void
-pseudo_bss (c)
- int c ATTRIBUTE_UNUSED;
+pseudo_bss (int c ATTRIBUTE_UNUSED)
{
int temp;
}
void
-pseudo_even (c)
- int c ATTRIBUTE_UNUSED;
+pseudo_even (int c ATTRIBUTE_UNUSED)
{
int alignment = 1; /* 2^1 */
frag_align (alignment, 0, 1);
record_alignment (now_seg, alignment);
}
-
-/* end of tc-pdp11.c */
projects / deliverable / binutils-gdb.git / blobdiff