/* tc-a29k.c -- Assemble for the AMD 29000.
- Copyright (C) 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1998, 2000, 2001, 2002
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
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. */
+ 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. */
/* John Gilmore has reorganized this module somewhat, to make it easier
to convert it to new machines' assemblers as desired. There was too
much bloody rewriting required before. There still probably is. */
-#include "ctype.h"
#include "as.h"
+#include "safe-ctype.h"
#include "opcode/a29k.h"
#define machine_ip a29k_ip
#define machine_it a29k_it
-const relax_typeS md_relax_table[] =
-{
- { 0, 0, 0, 0 }
-};
-
#define IMMEDIATE_BIT 0x01000000 /* Turns RB into Immediate */
#define ABSOLUTE_BIT 0x01000000 /* Turns PC-relative to Absolute */
#define CE_BIT 0x00800000 /* Coprocessor enable in LOAD */
int reloc_offset; /* Offset of reloc within insn */
int reloc;
-
-
}
-
the_insn;
static void machine_ip PARAMS ((char *str));
static void s_data1 PARAMS ((void));
static void s_use PARAMS ((int));
#endif
+static void insert_sreg PARAMS ((char *, int));
+static void define_some_regs PARAMS ((void));
+static char *parse_operand PARAMS ((char *, expressionS *, int));
const pseudo_typeS
- md_pseudo_table[] =
+md_pseudo_table[] =
{
{"align", s_align_bytes, 4},
{"block", s_space, 0},
{"space", s_ignore, 0}, /* Listing control */
{"sect", s_ignore, 0}, /* Creation of coff sections */
#ifndef OBJ_COFF
-/* We can do this right with coff */
+ /* We can do this right with coff. */
{"use", s_use, 0},
#endif
{"word", cons, 4},
{NULL, 0, 0},
};
-int md_short_jump_size = 4;
-int md_long_jump_size = 4;
#if defined(BFD_HEADERS)
#ifdef RELSZ
const int md_reloc_size = RELSZ; /* Coff headers */
.line and .file directives will appear in the pre-processed output */
/* Note that input_file.c hand checks for '#' at the beginning of the
first line of the input file. This is because the compiler outputs
- #NO_APP at the beginning of its output. */
+ #NO_APP at the beginning of its output. */
/* Also note that comments like this one will always work */
const char line_comment_chars[] = "#";
const char FLT_CHARS[] = "rRsSfFdDxXpP";
/* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
- changed in read.c . Ideally it shouldn't have to know about it at all,
- but nothing is ideal around here.
- */
-
-static unsigned char octal[256];
-#define isoctal(c) octal[c]
-static unsigned char toHex[256];
+ changed in read.c. Ideally it shouldn't have to know about it at
+ all, but nothing is ideal around here. */
/*
* anull bit - causes the branch delay slot instructions to not be executed
s_use (ignore)
int ignore;
{
-
if (strncmp (input_line_pointer, ".text", 5) == 0)
{
input_line_pointer += 5;
s_data1 ();
return;
}
- /* Literals can't go in the text segment because you can't read
- from instruction memory on some 29k's. So, into initialized data. */
+ /* Literals can't go in the text segment because you can't read from
+ instruction memory on some 29k's. So, into initialized data. */
if (strncmp (input_line_pointer, ".lit", 4) == 0)
{
input_line_pointer += 4;
return;
}
- as_bad ("Unknown segment type");
+ as_bad (_("Unknown segment type"));
demand_empty_rest_of_line ();
- return;
}
static void
{
subseg_set (SEG_DATA, 1);
demand_empty_rest_of_line ();
- return;
}
#endif /* OBJ_COFF */
char *regname;
int regnum;
{
- /* FIXME-SOON, put something in these syms so they won't be output to the symbol
- table of the resulting object file. */
+ /* FIXME-SOON, put something in these syms so they won't be output
+ to the symbol table of the resulting object file. */
/* Must be large enough to hold the names of the special registers. */
char buf[80];
symbol_table_insert (symbol_new (regname, SEG_REGISTER, (valueT) regnum,
&zero_address_frag));
for (i = 0; regname[i]; i++)
- buf[i] = islower (regname[i]) ? toupper (regname[i]) : regname[i];
+ buf[i] = TOUPPER (regname[i]);
buf[i] = '\0';
symbol_table_insert (symbol_new (buf, SEG_REGISTER, (valueT) regnum,
&zero_address_frag));
-} /* insert_sreg() */
+}
/* Install symbol definitions for assorted special registers.
See ASM29K Ref page 2-9. */
-void
+static void
define_some_regs ()
{
#define SREG 256
insert_sreg ("iba1", SREG + 25);
insert_sreg ("ibc1", SREG + 26);
+ /* Additional registers for the 29040. */
+ insert_sreg ("dba", SREG + 27);
+ insert_sreg ("dbc", SREG + 28);
+ insert_sreg ("cir", SREG + 29);
+ insert_sreg ("cdr", SREG + 30);
+
/* Unprotected special-purpose register names */
insert_sreg ("ipc", SREG + 128);
insert_sreg ("ipa", SREG + 129);
insert_sreg ("fps", SREG + 162);
/* "", SREG+163); Reserved */
insert_sreg ("exop", SREG + 164);
-} /* define_some_regs() */
+}
/* This function is called once, at assembler startup time. It should
- set up all the tables, etc. that the MD part of the assembler will need. */
+ set up all the tables, etc., that the MD part of the assembler will
+ need. */
void
md_begin ()
{
}
/* Hack to avoid multiple opcode entries. We pre-locate all the
- variations (b/i field and P/A field) and handle them. */
+ variations (b/i field and P/A field) and handle them. */
if (!strcmp (name, machine_opcodes[i + 1].name))
{
- if ((machine_opcodes[i].opcode ^ machine_opcodes[i + 1].opcode)
- != 0x01000000)
+ if ((machine_opcodes[i].opcode & 0x01000000) != 0
+ || (machine_opcodes[i + 1].opcode & 0x01000000) == 0
+ || ((machine_opcodes[i].opcode | 0x01000000)
+ != machine_opcodes[i + 1].opcode))
goto bad_table;
strend = machine_opcodes[i].args + strlen (machine_opcodes[i].args) - 1;
strend2 = machine_opcodes[i + 1].args + strlen (machine_opcodes[i + 1].args) - 1;
if (*strend2 != 'i')
goto bad_table;
break;
- case 'i':
- if (*strend2 != 'b')
- goto bad_table;
- break;
case 'P':
if (*strend2 != 'A')
goto bad_table;
break;
- case 'A':
- if (*strend2 != 'P')
- goto bad_table;
- break;
default:
bad_table:
- fprintf (stderr, "internal error: can't handle opcode %s\n", name);
+ fprintf (stderr, "internal error: can't handle opcode %s\n",
+ name);
lose = 1;
}
- /* OK, this is an i/b or A/P pair. We skip the higher-valued one,
- and let the code for operand checking handle OR-ing in the bit. */
- if (machine_opcodes[i].opcode & 1)
- continue;
- else
- skipnext = 1;
+ /* OK, this is an i/b or A/P pair. We skip the
+ higher-valued one, and let the code for operand checking
+ handle OR-ing in the bit. */
+ skipnext = 1;
}
retval = hash_insert (op_hash, name, (PTR) &machine_opcodes[i]);
- if (retval != NULL && *retval != '\0')
+ if (retval != NULL)
{
fprintf (stderr, "internal error: can't hash `%s': %s\n",
machine_opcodes[i].name, retval);
}
if (lose)
- as_fatal ("Broken assembler. No assembly attempted.");
-
- for (i = '0'; i < '8'; ++i)
- octal[i] = 1;
- for (i = '0'; i <= '9'; ++i)
- toHex[i] = i - '0';
- for (i = 'a'; i <= 'f'; ++i)
- toHex[i] = i + 10 - 'a';
- for (i = 'A'; i <= 'F'; ++i)
- toHex[i] = i + 10 - 'A';
+ as_fatal (_("Broken assembler. No assembly attempted."));
define_some_regs ();
}
-void
-md_end ()
-{
- return;
-}
-
/* Assemble a single instruction. Its label has already been handled
by the generic front end. We just parse opcode and operands, and
produce the bytes of data and relocation. */
char *str;
{
char *toP;
- /* !!!! int rsd; */
know (str);
machine_ip (str);
}
}
-char *
-parse_operand (s, operandp)
+static char *
+parse_operand (s, operandp, opt)
char *s;
expressionS *operandp;
+ int opt;
{
char *save = input_line_pointer;
char *new;
input_line_pointer = s;
expression (operandp);
- if (operandp->X_op == O_absent)
- as_bad ("missing operand");
+ if (operandp->X_op == O_absent && ! opt)
+ as_bad (_("missing operand"));
new = input_line_pointer;
input_line_pointer = save;
return new;
{
char *s;
const char *args;
- /* !!!! char c; */
- /* !!!! unsigned long i; */
struct machine_opcode *insn;
char *argsStart;
unsigned long opcode;
- /* !!!! unsigned int mask; */
expressionS the_operand;
expressionS *operand = &the_operand;
unsigned int reg;
/* Must handle `div0' opcode. */
s = str;
- if (isalpha (*s))
- for (; isalnum (*s); ++s)
- if (isupper (*s))
- *s = tolower (*s);
+ if (ISALPHA (*s))
+ for (; ISALNUM (*s); ++s)
+ *s = TOLOWER (*s);
switch (*s)
{
break;
default:
- as_bad ("Unknown opcode: `%s'", str);
+ as_bad (_("Unknown opcode: `%s'"), str);
return;
}
if ((insn = (struct machine_opcode *) hash_find (op_hash, str)) == NULL)
{
- as_bad ("Unknown opcode `%s'.", str);
+ as_bad (_("Unknown opcode `%s'."), str);
return;
}
argsStart = s;
memset (&the_insn, '\0', sizeof (the_insn));
the_insn.reloc = NO_RELOC;
- /*
- * Build the opcode, checking as we go to make
- * sure that the operands match.
- *
- * If an operand matches, we modify the_insn or opcode appropriately,
- * and do a "continue". If an operand fails to match, we "break".
- */
+ /* Build the opcode, checking as we go to make sure that the
+ operands match.
+
+ If an operand matches, we modify the_insn or opcode appropriately,
+ and do a "continue". If an operand fails to match, we "break". */
+
if (insn->args[0] != '\0')
- s = parse_operand (s, operand); /* Prime the pump */
+ {
+ /* Prime the pump. */
+ s = parse_operand (s, operand, insn->args[0] == 'I');
+ }
for (args = insn->args;; ++args)
{
case '\0': /* end of args */
if (*s == '\0')
{
- /* We are truly done. */
+ /* We are truly done. */
the_insn.opcode = opcode;
return;
}
- as_bad ("Too many operands: %s", s);
+ as_bad (_("Too many operands: %s"), s);
break;
case ',': /* Must match a comma */
if (*s++ == ',')
{
- s = parse_operand (s, operand); /* Parse next opnd */
+ /* Parse next operand. */
+ s = parse_operand (s, operand, args[1] == 'I');
continue;
}
break;
}
else
{
- as_bad ("Immediate value of %ld is too large",
+ as_bad (_("Immediate value of %ld is too large"),
(long) operand->X_add_number);
continue;
}
case 'b': /* A general register or 8-bit immediate */
case 'i':
/* We treat the two cases identically since we mashed
- them together in the opcode table. */
+ them together in the opcode table. */
if (operand->X_op == O_register)
goto general_reg;
+ /* Make sure the 'i' case really exists. */
+ if ((insn->opcode | IMMEDIATE_BIT) != (insn + 1)->opcode)
+ break;
+
opcode |= IMMEDIATE_BIT;
if (operand->X_op == O_constant)
{
}
else
{
- as_bad ("Immediate value of %ld is too large",
+ as_bad (_("Immediate value of %ld is too large"),
(long) operand->X_add_number);
continue;
}
if (reg >= SREG)
break; /* No special registers */
- /*
- * Got the register, now figure out where
- * it goes in the opcode.
- */
+ /* Got the register, now figure out where it goes in the
+ opcode. */
switch (*args)
{
case 'a':
opcode |= reg << 16;
continue;
}
- as_fatal ("failed sanity check.");
+ as_fatal (_("failed sanity check."));
break;
case 'x': /* 16 bit constant, zero-extended */
opcode table entries together. */
if (operand->X_op == O_constant)
{
+ /* Make sure the 'A' case really exists. */
+ if ((insn->opcode | ABSOLUTE_BIT) != (insn + 1)->opcode)
+ break;
+ {
+ bfd_vma v, mask;
+ mask = 0x1ffff;
+ v = operand->X_add_number & ~ mask;
+ if (v)
+ as_bad ("call/jmp target out of range");
+ }
opcode |= ABSOLUTE_BIT |
(operand->X_add_number & 0x0003FC00) << 6 |
((operand->X_add_number & 0x000003FC) >> 2);
the_insn.reloc = RELOC_JUMPTARG;
the_insn.exp = *operand;
the_insn.pcrel = 1; /* Assume PC-relative jump */
- /* FIXME-SOON, Do we figure out whether abs later, after know sym val? */
+ /* FIXME-SOON, Do we figure out whether abs later, after
+ know sym val? */
continue;
case 'e': /* Coprocessor enable bit for LOAD/STORE insn */
}
break;
+ case 'I': /* ID bits of INV and IRETINV. */
+ /* This operand is optional. */
+ if (operand->X_op == O_absent)
+ continue;
+ else if (operand->X_op == O_constant
+ && operand->X_add_number < 4)
+ {
+ opcode |= operand->X_add_number << 16;
+ continue;
+ }
+ break;
+
case 'd': /* FD bits of CONVERT */
if (operand->X_op == O_constant &&
operand->X_add_number < 4)
}
break;
-
case 'f': /* FS bits of CONVERT */
if (operand->X_op == O_constant &&
operand->X_add_number < 4)
}
}
-/*
- This is identical to the md_atof in m68k.c. I think this is right,
- but I'm not sure.
+/* This is identical to the md_atof in m68k.c. I think this is right,
+ but I'm not sure.
- Turn a string in input_line_pointer into a floating point constant of type
- type, and store the appropriate bytes in *litP. The number of LITTLENUMS
- emitted is stored in *sizeP . An error message is returned, or NULL on OK.
- */
+ Turn a string in input_line_pointer into a floating point constant
+ of type TYPE, and store the appropriate bytes in *LITP. The number
+ of LITTLENUMS emitted is stored in *SIZEP. An error message is
+ returned, or NULL on OK. */
/* Equal to MAX_PRECISION in atof-ieee.c */
#define MAX_LITTLENUMS 6
md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE));
litP += sizeof (LITTLENUM_TYPE);
}
- return ""; /* Someone should teach Dean about null pointers */
+ return 0;
}
/*
valueT val;
int n;
{
-
- switch (n)
- {
-
- case 4:
- *buf++ = val >> 24;
- *buf++ = val >> 16;
- case 2:
- *buf++ = val >> 8;
- case 1:
- *buf = val;
- break;
-
- default:
- as_fatal ("failed sanity check.");
- }
- return;
+ number_to_chars_bigendian (buf, val, n);
}
void
-md_apply_fix (fixP, val)
+md_apply_fix3 (fixP, valP, seg)
fixS *fixP;
- long val;
+ valueT * valP;
+ segT seg ATTRIBUTE_UNUSED;
{
+ long val = *valP;
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
- fixP->fx_addnumber = val; /* Remember value for emit_reloc */
-
+ fixP->fx_addnumber = val; /* Remember value for emit_reloc. */
know (fixP->fx_size == 4);
know (fixP->fx_r_type < NO_RELOC);
- /*
- * This is a hack. There should be a better way to
- * handle this.
- */
+ /* This is a hack. There should be a better way to handle this. */
if (fixP->fx_r_type == RELOC_WDISP30 && fixP->fx_addsy)
- {
- val += fixP->fx_where + fixP->fx_frag->fr_address;
- }
+ val += fixP->fx_where + fixP->fx_frag->fr_address;
switch (fixP->fx_r_type)
{
-
case RELOC_32:
buf[0] = val >> 24;
buf[1] = val >> 16;
break;
case RELOC_WDISP30:
- val = (val >>= 2) + 1;
+ val = (val >> 2) + 1;
buf[0] |= (val >> 24) & 0x3f;
buf[1] = (val >> 16);
buf[2] = val >> 8;
break;
case RELOC_WDISP22:
- val = (val >>= 2) + 1;
+ val = (val >> 2) + 1;
/* FALLTHROUGH */
case RELOC_BASE22:
buf[1] |= (val >> 16) & 0x3f;
buf[3] = val;
break;
-#if 0
- case RELOC_PC10:
- case RELOC_PC22:
- case RELOC_JMP_TBL:
- case RELOC_SEGOFF16:
- case RELOC_GLOB_DAT:
- case RELOC_JMP_SLOT:
- case RELOC_RELATIVE:
-#endif
case RELOC_JUMPTARG: /* 00XX00XX pattern in a word */
+ if (!fixP->fx_done)
+ {
+ /* The linker tries to support both AMD and old GNU style
+ R_IREL relocs. That means that if the addend is exactly
+ the negative of the address within the section, the
+ linker will not handle it correctly. */
+ if (fixP->fx_pcrel
+ && val != 0
+ && val == - (fixP->fx_frag->fr_address + fixP->fx_where))
+ as_bad_where
+ (fixP->fx_file, fixP->fx_line,
+ "the linker will not handle this relocation correctly");
+ }
+ else if (fixP->fx_pcrel)
+ {
+ long v = val >> 17;
+
+ if (v != 0 && v != -1)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ "call/jmp target out of range");
+ }
+ else
+ /* This case was supposed to be handled in machine_ip. */
+ abort ();
buf[1] = val >> 10; /* Holds bits 0003FFFC of address */
buf[3] = val >> 2;
break;
case NO_RELOC:
default:
- as_bad ("bad relocation type: 0x%02x", fixP->fx_r_type);
+ as_bad (_("bad relocation type: 0x%02x"), fixP->fx_r_type);
break;
}
- return;
+
+ if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
+ fixP->fx_done = 1;
}
#ifdef OBJ_COFF
case RELOC_JUMPTARG:
return (R_IREL);
default:
- printf ("need %o3\n", fixP->fx_r_type);
+ printf (_("need %o3\n"), fixP->fx_r_type);
abort ();
} /* switch on type */
return (0);
-} /* tc_coff_fix2rtype() */
-
-#endif /* OBJ_COFF */
-
-/* should never be called for sparc */
-void
-md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
- char *ptr;
- addressT from_addr, to_addr;
- fragS *frag;
- symbolS *to_symbol;
-{
- as_fatal ("a29k_create_short_jmp\n");
}
-/* should never be called for 29k */
-void
-md_convert_frag (headers, fragP)
- object_headers *headers;
- register fragS *fragP;
-{
- as_fatal ("sparc_convert_frag\n");
-}
+#endif /* OBJ_COFF */
/* should never be called for 29k */
void
-md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
- char *ptr;
- addressT from_addr;
- addressT to_addr;
- fragS *frag;
- symbolS *to_symbol;
+md_convert_frag (headers, seg, fragP)
+ object_headers *headers ATTRIBUTE_UNUSED;
+ segT seg ATTRIBUTE_UNUSED;
+ register fragS *fragP ATTRIBUTE_UNUSED;
{
- as_fatal ("sparc_create_long_jump\n");
+ as_fatal (_("a29k_convert_frag\n"));
}
/* should never be called for a29k */
int
md_estimate_size_before_relax (fragP, segtype)
- register fragS *fragP;
- segT segtype;
+ register fragS *fragP ATTRIBUTE_UNUSED;
+ segT segtype ATTRIBUTE_UNUSED;
{
- as_fatal ("sparc_estimate_size_before_relax\n");
- return (0);
+ as_fatal (_("a29k_estimate_size_before_relax\n"));
+ return 0;
}
#if 0
fprintf (stderr, "\t\tX_add_number = %d\n",
insn->exp.X_add_number);
fprintf (stderr, "}\n");
- return;
}
#endif
On sparc/29k: first 4 bytes are normal unsigned long address, next three
bytes are index, most sig. byte first. Byte 7 is broken up with
bit 7 as external, bits 6 & 5 unused, and the lower
- five bits as relocation type. Next 4 bytes are long addend. */
+ five bits as relocation type. Next 4 bytes are long addend. */
/* Thanx and a tip of the hat to Michael Bloom, mb@ttidca.tti.com */
#ifdef OBJ_AOUT
where[7] = (((!S_IS_DEFINED (fixP->fx_addsy)) << 7) & 0x80) | (0 & 0x60) | (fixP->fx_r_type & 0x1F);
/* Also easy */
md_number_to_chars (&where[8], fixP->fx_addnumber, 4);
-
- return;
-} /* tc_aout_fix_to_chars() */
+}
#endif /* OBJ_AOUT */
+\f
+const char *md_shortopts = "";
+struct option md_longopts[] = {
+ {NULL, no_argument, NULL, 0}
+};
+size_t md_longopts_size = sizeof (md_longopts);
int
-md_parse_option (argP, cntP, vecP)
- char **argP;
- int *cntP;
- char ***vecP;
+md_parse_option (c, arg)
+ int c ATTRIBUTE_UNUSED;
+ char *arg ATTRIBUTE_UNUSED;
+{
+ return 0;
+}
+
+void
+md_show_usage (stream)
+ FILE *stream ATTRIBUTE_UNUSED;
{
- return (0);
}
+\f
+/* This is called when a line is unrecognized. This is used to handle
+ definitions of a29k style local labels. */
+
+int
+a29k_unrecognized_line (c)
+ int c;
+{
+ int lab;
+ char *s;
+
+ if (c != '$'
+ || ! ISDIGIT (input_line_pointer[0]))
+ return 0;
+ s = input_line_pointer;
+
+ lab = 0;
+ while (ISDIGIT (*s))
+ {
+ lab = lab * 10 + *s - '0';
+ ++s;
+ }
+
+ if (*s != ':')
+ {
+ /* Not a label definition. */
+ return 0;
+ }
+
+ if (dollar_label_defined (lab))
+ {
+ as_bad (_("label \"$%d\" redefined"), lab);
+ return 0;
+ }
+
+ define_dollar_label (lab);
+ colon (dollar_label_name (lab, 0));
+ input_line_pointer = s + 1;
+
+ return 1;
+}
/* Default the values of symbols known that should be "predefined". We
don't bother to predefine them unless you actually use one, since there
long regnum;
char testbuf[5 + /*SLOP*/ 5];
- if (name[0] == 'g' || name[0] == 'G' || name[0] == 'l' || name[0] == 'L')
+ if (name[0] == 'g' || name[0] == 'G'
+ || name[0] == 'l' || name[0] == 'L'
+ || name[0] == 's' || name[0] == 'S')
{
/* Perhaps a global or local register name */
if (name[1] == 'r' || name[1] == 'R')
{
- /* Parse the number, make sure it has no extra zeroes or trailing
- chars */
+ long maxreg;
+
+ /* Parse the number, make sure it has no extra zeroes or
+ trailing chars. */
regnum = atol (&name[2]);
- if (regnum > 127)
- return 0;
+
+ if (name[0] == 's' || name[0] == 'S')
+ maxreg = 255;
+ else
+ maxreg = 127;
+ if (regnum > maxreg)
+ return NULL;
+
sprintf (testbuf, "%ld", regnum);
if (strcmp (testbuf, &name[2]) != 0)
- return 0; /* gr007 or lr7foo or whatever */
+ return NULL; /* gr007 or lr7foo or whatever */
/* We have a wiener! Define and return a new symbol for it. */
if (name[0] == 'l' || name[0] == 'L')
regnum += 128;
+ else if (name[0] == 's' || name[0] == 'S')
+ regnum += SREG;
return (symbol_new (name, SEG_REGISTER, (valueT) regnum,
&zero_address_frag));
}
}
- return 0;
+ return NULL;
}
/* Parse an operand that is machine-specific. */
(void) expression (expressionP);
if (expressionP->X_op != O_constant
|| expressionP->X_add_number > 255)
- as_bad ("Invalid expression after %%%%\n");
+ as_bad (_("Invalid expression after %%%%\n"));
expressionP->X_op = O_register;
}
else if (input_line_pointer[0] == '&')
input_line_pointer++; /* Skip & */
(void) expression (expressionP);
if (expressionP->X_op != O_register)
- as_bad ("Invalid register in & expression");
+ as_bad (_("Invalid register in & expression"));
else
expressionP->X_op = O_constant;
}
+ else if (input_line_pointer[0] == '$'
+ && ISDIGIT (input_line_pointer[1]))
+ {
+ long lab;
+ char *name;
+ symbolS *sym;
+
+ /* This is a local label. */
+ ++input_line_pointer;
+ lab = (long) get_absolute_expression ();
+ if (dollar_label_defined (lab))
+ {
+ name = dollar_label_name (lab, 0);
+ sym = symbol_find (name);
+ }
+ else
+ {
+ name = dollar_label_name (lab, 1);
+ sym = symbol_find_or_make (name);
+ }
+
+ expressionP->X_op = O_symbol;
+ expressionP->X_add_symbol = sym;
+ expressionP->X_add_number = 0;
+ }
+ else if (input_line_pointer[0] == '$')
+ {
+ char *s;
+ char type;
+ int fieldnum, fieldlimit;
+ LITTLENUM_TYPE floatbuf[8];
+
+ /* $float(), $doubleN(), or $extendN() convert floating values
+ to integers. */
+
+ s = input_line_pointer;
+
+ ++s;
+
+ fieldnum = 0;
+ if (strncmp (s, "double", sizeof "double" - 1) == 0)
+ {
+ s += sizeof "double" - 1;
+ type = 'd';
+ fieldlimit = 2;
+ }
+ else if (strncmp (s, "float", sizeof "float" - 1) == 0)
+ {
+ s += sizeof "float" - 1;
+ type = 'f';
+ fieldlimit = 1;
+ }
+ else if (strncmp (s, "extend", sizeof "extend" - 1) == 0)
+ {
+ s += sizeof "extend" - 1;
+ type = 'x';
+ fieldlimit = 4;
+ }
+ else
+ {
+ return;
+ }
+
+ if (ISDIGIT (*s))
+ {
+ fieldnum = *s - '0';
+ ++s;
+ }
+ if (fieldnum >= fieldlimit)
+ return;
+
+ SKIP_WHITESPACE ();
+ if (*s != '(')
+ return;
+ ++s;
+ SKIP_WHITESPACE ();
+
+ s = atof_ieee (s, type, floatbuf);
+ if (s == NULL)
+ return;
+ s = s;
+
+ SKIP_WHITESPACE ();
+ if (*s != ')')
+ return;
+ ++s;
+ SKIP_WHITESPACE ();
+
+ input_line_pointer = s;
+ expressionP->X_op = O_constant;
+ expressionP->X_unsigned = 1;
+ expressionP->X_add_number = ((floatbuf[fieldnum * 2]
+ << LITTLENUM_NUMBER_OF_BITS)
+ + floatbuf[fieldnum * 2 + 1]);
+ }
}
/* Round up a section size to the appropriate boundary. */
valueT
md_section_align (segment, size)
- segT segment;
+ segT segment ATTRIBUTE_UNUSED;
valueT size;
{
return size; /* Byte alignment is fine */
{
return fixP->fx_where + fixP->fx_frag->fr_address;
}
-
-/*
- * Local Variables:
- * comment-column: 0
- * End:
- */
-
-/* end of tc-a29k.c */
projects / deliverable / binutils-gdb.git / blobdiff