-/* tc-tahoe.c
- Not part of GAS yet. */
+/* This file is tc-tahoe.c
+ Copyright 1987, 1988, 1989, 1990, 1991, 1992, 1995, 2000, 2001, 2002
+ Free Software Foundation, Inc.
+
+ 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, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
#include "as.h"
+#include "safe-ctype.h"
#include "obstack.h"
-/* this bit glommed from tahoe-inst.h */
+/* This bit glommed from tahoe-inst.h. */
typedef unsigned char byte;
typedef byte tahoe_opcodeT;
-/*
- * This is part of tahoe-ins-parse.c & friends.
- * We want to parse a tahoe instruction text into a tree defined here.
- */
+/* This is part of tahoe-ins-parse.c & friends.
+ We want to parse a tahoe instruction text into a tree defined here. */
#define TIT_MAX_OPERANDS (4) /* maximum number of operands in one
single tahoe instruction */
struct top /* tahoe instruction operand */
-{
- int top_ndx; /* -1, or index register. eg 7=[R7] */
- int top_reg; /* -1, or register number. eg 7 = R7 or (R7) */
- byte top_mode; /* Addressing mode byte. This byte, defines
- which of the 11 modes opcode is. */
+ {
+ int top_ndx; /* -1, or index register. eg 7=[R7] */
+ int top_reg; /* -1, or register number. eg 7 = R7 or (R7) */
+ byte top_mode; /* Addressing mode byte. This byte, defines
+ which of the 11 modes opcode is. */
- char top_access; /* Access type wanted for this opperand
+ char top_access; /* Access type wanted for this opperand
'b'branch ' 'no-instruction 'amrvw' */
- char top_width; /* Operand width expected, one of "bwlq?-:!" */
+ char top_width; /* Operand width expected, one of "bwlq?-:!" */
- char *top_error; /* Say if operand is inappropriate */
+ char * top_error; /* Say if operand is inappropriate */
- segT seg_of_operand; /* segment as returned by expression()*/
+ segT seg_of_operand; /* segment as returned by expression()*/
- expressionS exp_of_operand; /* The expression as parsed by expression()*/
+ expressionS exp_of_operand; /* The expression as parsed by expression()*/
- byte top_dispsize; /* Number of bytes in the displacement if we
+ byte top_dispsize; /* Number of bytes in the displacement if we
can figure it out */
-};
+ };
/* The addressing modes for an operand. These numbers are the acutal values
- for certain modes, so be carefull if you screw with them. */
+ for certain modes, so be carefull if you screw with them. */
#define TAHOE_DIRECT_REG (0x50)
#define TAHOE_REG_DEFERRED (0x60)
#define TAHOE_AUTO_DEC (0x7E)
#define TAHOE_AUTO_INC (0x8E)
#define TAHOE_AUTO_INC_DEFERRED (0x9E)
-/* INDEXED_REG is decided by the existance or lack of a [reg] */
+/* INDEXED_REG is decided by the existance or lack of a [reg]. */
/* These are encoded into top_width when top_access=='b'
- and it's a psuedo op.*/
+ and it's a psuedo op. */
#define TAHOE_WIDTH_ALWAYS_JUMP '-'
#define TAHOE_WIDTH_CONDITIONAL_JUMP '?'
#define TAHOE_WIDTH_BIG_REV_JUMP '!'
#define TAHOE_WIDTH_BIG_NON_REV_JUMP ':'
/* The hex code for certain tahoe commands and modes.
- This is just for readability. */
+ This is just for readability. */
#define TAHOE_JMP (0x71)
#define TAHOE_PC_REL_LONG (0xEF)
#define TAHOE_BRB (0x11)
#define TAHOE_BRW (0x13)
/* These, when 'ored' with, or added to, a register number,
- set up the number for the displacement mode. */
+ set up the number for the displacement mode. */
#define TAHOE_PC_OR_BYTE (0xA0)
#define TAHOE_PC_OR_WORD (0xC0)
#define TAHOE_PC_OR_LONG (0xE0)
-struct tit /* get it out of the sewer, it stands for
- tahoe instruction tree (Geeze!) */
+struct tit /* Get it out of the sewer, it stands for
+ tahoe instruction tree (Geeze!). */
{
- tahoe_opcodeT tit_opcode; /* The opcode. */
- byte tit_operands; /* How many operands are here. */
+ tahoe_opcodeT tit_opcode; /* The opcode. */
+ byte tit_operands; /* How many operands are here. */
struct top tit_operand[TIT_MAX_OPERANDS]; /* Operands */
char *tit_error; /* "" or fatal error text */
};
long omagic = OMAGIC;
/* These chars start a comment anywhere in a source file (except inside
- another comment or a quoted string. */
+ another comment or a quoted string. */
const char comment_chars[] = "#;";
-/* These chars only start a comment at the beginning of a line. */
+/* These chars only start a comment at the beginning of a line. */
const char line_comment_chars[] = "#";
/* Chars that can be used to separate mant from exp in floating point nums */
as in 0f123.456
or 0d1.234E-12 (see exp chars above)
Note: The Tahoe port doesn't support floating point constants. This is
- consistant with 'as' If it's needed, I can always add it later. */
+ consistant with 'as' If it's needed, I can always add it later. */
const char FLT_CHARS[] = "df";
/* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
(The tahoe has plenty of room, so the change currently isn't needed.)
*/
-static struct tit t; /* A tahoe instruction after decoding. */
+static struct tit t; /* A tahoe instruction after decoding. */
void float_cons ();
/* A table of pseudo ops (sans .), the function called, and an integer op
- that the function is called with. */
+ that the function is called with. */
const pseudo_typeS md_pseudo_table[] =
{
Always, 1 byte opcode, then displacement/absolute.
If word or longword, change opcode to brw or jmp.
-
2. TAHOE_WIDTH_CONDITIONAL_JUMP (?)
J<cond> where <cond> is a simple flag test.
Format: "b?"
to them. (WF + length(word))
The first letter is Byte, Word.
- 2nd letter is Forward, Backward. */
+ 2nd letter is Forward, Backward. */
#define BF (1+ 127)
#define BB (1+-128)
#define WF (2+ 32767)
/* Dont need LF, LB because they always reach. [They are coded as 0.] */
#define C(a,b) ENCODE_RELAX(a,b)
-/* This macro has no side-effects. */
+/* This macro has no side-effects. */
#define ENCODE_RELAX(what,length) (((what) << 2) + (length))
-#define RELAX_STATE(what) ((what) >> 2)
-#define RELAX_LENGTH(length) ((length) && 3)
+#define RELAX_STATE(s) ((s) >> 2)
+#define RELAX_LENGTH(s) ((s) & 3)
#define STATE_ALWAYS_BRANCH (1)
#define STATE_CONDITIONAL_BRANCH (2)
/* This is the table used by gas to figure out relaxing modes. The fields are
forward_branch reach, backward_branch reach, number of bytes it would take,
- where the next biggest branch is. */
+ where the next biggest branch is. */
const relax_typeS md_relax_table[] =
{
{
}, /* unused 1,3 */
/* Reversible Conditional Branch. If the branch won't reach, reverse
it, and jump over a brw or a jmp that will reach. The relax part is the
- actual address. */
+ actual address. */
{
BF, BB, 1, C (2, 1)
}, /* b<cond> B`foo 2,0 */
1, 1, 0, 0
}, /* unused 2,3 */
/* Another type of reversable branch. But this only has a word
- displacement. */
+ displacement. */
{
1, 1, 0, 0
}, /* unused 3,0 */
displacement. If I can't reach, branch over a byte branch, to a
jump that will reach. The jumped branch jumps over the reaching
branch, to continue with the flow of the program. It's like playing
- leap frog. */
+ leap frog. */
{
1, 1, 0, 0
}, /* unused 4,0 */
}, /* unused 4,3 */
/* Normal displacement mode, no jumping or anything like that.
The relax points to one byte before the address, thats why all
- the numbers are up by one. */
+ the numbers are up by one. */
{
BF + 1, BB + 1, 2, C (5, 1)
}, /* B^"foo" 5,0 */
md_begin() will crash. */
static struct hash_control *op_hash;
-/* Init function. Build the hash table. */
+/* Init function. Build the hash table. */
void
md_begin ()
{
struct tot *tP;
char *errorval = 0;
- int synthetic_too = 1; /* If 0, just use real opcodes. */
+ int synthetic_too = 1; /* If 0, just use real opcodes. */
op_hash = hash_new ();
as_fatal (errorval);
}
\f
-CONST char *md_shortopts = "ad:STt:V";
+const char *md_shortopts = "ad:STt:V";
struct option md_longopts[] = {
{NULL, no_argument, NULL, 0}
};
-size_t md_longopts_size = sizeof(md_longopts);
+size_t md_longopts_size = sizeof (md_longopts);
int
md_parse_option (c, arg)
switch (c)
{
case 'a':
- as_warn ("The -a option doesn't exist. (Despite what the man page says!");
+ as_warn (_("The -a option doesn't exist. (Despite what the man page says!"));
break;
case 'd':
- as_warn ("Displacement length %s ignored!", arg);
+ as_warn (_("Displacement length %s ignored!"), arg);
break;
case 'S':
- as_warn ("SYMBOL TABLE not implemented");
+ as_warn (_("SYMBOL TABLE not implemented"));
break;
case 'T':
- as_warn ("TOKEN TRACE not implemented");
+ as_warn (_("TOKEN TRACE not implemented"));
break;
case 't':
- as_warn ("I don't need or use temp. file \"%s\".", arg);
+ as_warn (_("I don't need or use temp. file \"%s\"."), arg);
break;
case 'V':
- as_warn ("I don't use an interpass file! -V ignored");
+ as_warn (_("I don't use an interpass file! -V ignored"));
break;
default:
md_show_usage (stream)
FILE *stream;
{
- fprintf(stream, "\
+ fprintf (stream, _("\
Tahoe options:\n\
-a ignored\n\
-d LENGTH ignored\n\
-S ignored\n\
-t FILE ignored\n\
-T ignored\n\
--V ignored\n");
+-V ignored\n"));
}
\f
/* The functions in this section take numbers in the machine format, and
munges them into Tahoe byte order.
- They exist primarily for cross assembly purpose. */
-void /* Knows about order of bytes in address. */
+ They exist primarily for cross assembly purpose. */
+void /* Knows about order of bytes in address. */
md_number_to_chars (con, value, nbytes)
- char con[]; /* Return 'nbytes' of chars here. */
- valueT value; /* The value of the bits. */
- int nbytes; /* Number of bytes in the output. */
+ char con[]; /* Return 'nbytes' of chars here. */
+ valueT value; /* The value of the bits. */
+ int nbytes; /* Number of bytes in the output. */
{
number_to_chars_bigendian (con, value, nbytes);
}
#ifdef comment
-void /* Knows about order of bytes in address. */
+void /* Knows about order of bytes in address. */
md_number_to_imm (con, value, nbytes)
- char con[]; /* Return 'nbytes' of chars here. */
- long int value; /* The value of the bits. */
- int nbytes; /* Number of bytes in the output. */
+ char con[]; /* Return 'nbytes' of chars here. */
+ long int value; /* The value of the bits. */
+ int nbytes; /* Number of bytes in the output. */
{
md_number_to_chars (con, value, nbytes);
}
#endif /* comment */
void
-tc_apply_fix (fixP, val)
- fixS *fixP;
- long val;
+md_apply_fix3 (fixP, valP, seg)
+ fixS *fixP ATTRIBUTE_UNUSED;
+ valueT * valP ATTRIBUTE_UNUSED;
+ segT seg ATTRIBUTE_UNUSED:
{
- /* should never be called */
+ /* Should never be called. */
know (0);
}
-void /* Knows about order of bytes in address. */
+void /* Knows about order of bytes in address. */
md_number_to_disp (con, value, nbytes)
- char con[]; /* Return 'nbytes' of chars here. */
- long int value; /* The value of the bits. */
- int nbytes; /* Number of bytes in the output. */
+ char con[]; /* Return 'nbytes' of chars here. */
+ long int value; /* The value of the bits. */
+ int nbytes; /* Number of bytes in the output. */
{
md_number_to_chars (con, value, nbytes);
}
-void /* Knows about order of bytes in address. */
+void /* Knows about order of bytes in address. */
md_number_to_field (con, value, nbytes)
- char con[]; /* Return 'nbytes' of chars here. */
- long int value; /* The value of the bits. */
- int nbytes; /* Number of bytes in the output. */
+ char con[]; /* Return 'nbytes' of chars here. */
+ long int value; /* The value of the bits. */
+ int nbytes; /* Number of bytes in the output. */
{
md_number_to_chars (con, value, nbytes);
}
next three bytes are symbolnum, in kind of 3 byte big endian (least sig. byte last).
The last byte is broken up with bit 7 as pcrel,
bits 6 & 5 as length,
- bit 4 as extern and the last nibble as 'undefined'. */
+ bit 4 as extern and the last nibble as 'undefined'. */
#if comment
void
{
byte the_bytes[sizeof (struct relocation_info)];
/* The reason I can't just encode these directly into ri_p is that
- ri_p may point to ri. */
+ ri_p may point to ri. */
/* This is easy */
md_number_to_chars (the_bytes, ri.r_address, sizeof (ri.r_address));
next three bytes are symbolnum, in kind of 3 byte big endian (least sig. byte last).
The last byte is broken up with bit 7 as pcrel,
bits 6 & 5 as length,
- bit 4 as extern and the last nibble as 'undefined'. */
+ bit 4 as extern and the last nibble as 'undefined'. */
-void
+void
tc_aout_fix_to_chars (where, fixP, segment_address_in_file)
char *where;
fixS *fixP;
/* Relocate byte stuff */
\f
-/* This is for broken word. */
+/* This is for broken word. */
const int md_short_jump_size = 3;
void
md_number_to_chars (ptr, offset, 4);
}
\f
-/*
- * md_estimate_size_before_relax()
- *
- * Called just before relax().
- * Any symbol that is now undefined will not become defined, so we assumed
- * that it will be resolved by the linker.
- * Return the correct fr_subtype in the frag, for relax()
- * Return the initial "guess for fr_var" to caller. (How big I think this
- * will be.)
- * The guess for fr_var is ACTUALLY the growth beyond fr_fix.
- * Whatever we do to grow fr_fix or fr_var contributes to our returned value.
- * Although it may not be explicit in the frag, pretend fr_var starts with a
- * 0 value.
- */
+/* md_estimate_size_before_relax(), called just before relax().
+ Any symbol that is now undefined will not become defined.
+ Return the correct fr_subtype in the frag and the growth beyond
+ fr_fix. */
int
md_estimate_size_before_relax (fragP, segment_type)
register fragS *fragP;
- segT segment_type; /* N_DATA or N_TEXT. */
+ segT segment_type; /* N_DATA or N_TEXT. */
{
- register char *p;
- register int old_fr_fix;
- /* int pc_rel; FIXME: remove this */
-
- old_fr_fix = fragP->fr_fix;
- switch (fragP->fr_subtype)
+ if (RELAX_LENGTH (fragP->fr_subtype) == STATE_UNDF)
{
- case ENCODE_RELAX (STATE_PC_RELATIVE, STATE_UNDF):
- if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
+ if (S_GET_SEGMENT (fragP->fr_symbol) != segment)
{
- /* The symbol was in the same segment as the opcode, and it's
- a real pc_rel case so it's a relaxable case. */
- fragP->fr_subtype = ENCODE_RELAX (STATE_PC_RELATIVE, STATE_BYTE);
- }
- else
- {
- /* This case is still undefined, so asume it's a long word for the
- linker to fix. */
- p = fragP->fr_literal + old_fr_fix;
- *p |= TAHOE_PC_OR_LONG;
- /* We now know how big it will be, one long word. */
- fragP->fr_fix += 1 + 4;
- fix_new (fragP, old_fr_fix + 1, fragP->fr_symbol,
- fragP->fr_offset, FX_PCREL32, NULL);
- frag_wane (fragP);
- }
- break;
+ /* Non-relaxable cases. */
+ char *p;
+ int old_fr_fix;
- case ENCODE_RELAX (STATE_CONDITIONAL_BRANCH, STATE_UNDF):
- if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
- {
- fragP->fr_subtype = ENCODE_RELAX (STATE_CONDITIONAL_BRANCH, STATE_BYTE);
- }
- else
- {
+ old_fr_fix = fragP->fr_fix;
p = fragP->fr_literal + old_fr_fix;
- *fragP->fr_opcode ^= 0x10; /* Reverse sense of branch. */
- *p++ = 6;
- *p++ = TAHOE_JMP;
- *p++ = TAHOE_PC_REL_LONG;
- fragP->fr_fix += 1 + 1 + 1 + 4;
- fix_new (fragP, old_fr_fix + 3, fragP->fr_symbol,
- fragP->fr_offset, FX_PCREL32, NULL);
+ switch (RELAX_STATE (fragP->fr_subtype))
+ {
+ case STATE_PC_RELATIVE:
+ *p |= TAHOE_PC_OR_LONG;
+ /* We now know how big it will be, one long word. */
+ fragP->fr_fix += 1 + 4;
+ fix_new (fragP, old_fr_fix + 1, fragP->fr_symbol,
+ fragP->fr_offset, FX_PCREL32, NULL);
+ break;
+
+ case STATE_CONDITIONAL_BRANCH:
+ *fragP->fr_opcode ^= 0x10; /* Reverse sense of branch. */
+ *p++ = 6;
+ *p++ = TAHOE_JMP;
+ *p++ = TAHOE_PC_REL_LONG;
+ fragP->fr_fix += 1 + 1 + 1 + 4;
+ fix_new (fragP, old_fr_fix + 3, fragP->fr_symbol,
+ fragP->fr_offset, FX_PCREL32, NULL);
+ break;
+
+ case STATE_BIG_REV_BRANCH:
+ *fragP->fr_opcode ^= 0x10; /* Reverse sense of branch. */
+ *p++ = 0;
+ *p++ = 6;
+ *p++ = TAHOE_JMP;
+ *p++ = TAHOE_PC_REL_LONG;
+ fragP->fr_fix += 2 + 2 + 4;
+ fix_new (fragP, old_fr_fix + 4, fragP->fr_symbol,
+ fragP->fr_offset, FX_PCREL32, NULL);
+ break;
+
+ case STATE_BIG_NON_REV_BRANCH:
+ *p++ = 2;
+ *p++ = 0;
+ *p++ = TAHOE_BRB;
+ *p++ = 6;
+ *p++ = TAHOE_JMP;
+ *p++ = TAHOE_PC_REL_LONG;
+ fragP->fr_fix += 2 + 2 + 2 + 4;
+ fix_new (fragP, old_fr_fix + 6, fragP->fr_symbol,
+ fragP->fr_offset, FX_PCREL32, NULL);
+ break;
+
+ case STATE_ALWAYS_BRANCH:
+ *fragP->fr_opcode = TAHOE_JMP;
+ *p++ = TAHOE_PC_REL_LONG;
+ fragP->fr_fix += 1 + 4;
+ fix_new (fragP, old_fr_fix + 1, fragP->fr_symbol,
+ fragP->fr_offset, FX_PCREL32, NULL);
+ break;
+
+ default:
+ abort ();
+ }
frag_wane (fragP);
- }
- break;
- case ENCODE_RELAX (STATE_BIG_REV_BRANCH, STATE_UNDF):
- if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
- {
- fragP->fr_subtype =
- ENCODE_RELAX (STATE_BIG_REV_BRANCH, STATE_WORD);
+ /* Return the growth in the fixed part of the frag. */
+ return fragP->fr_fix - old_fr_fix;
}
- else
- {
- p = fragP->fr_literal + old_fr_fix;
- *fragP->fr_opcode ^= 0x10; /* Reverse sense of branch. */
- *p++ = 0;
- *p++ = 6;
- *p++ = TAHOE_JMP;
- *p++ = TAHOE_PC_REL_LONG;
- fragP->fr_fix += 2 + 2 + 4;
- fix_new (fragP, old_fr_fix + 4, fragP->fr_symbol,
- fragP->fr_offset, FX_PCREL32, NULL);
- frag_wane (fragP);
- }
- break;
- case ENCODE_RELAX (STATE_BIG_NON_REV_BRANCH, STATE_UNDF):
- if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
+ /* Relaxable cases. Set up the initial guess for the variable
+ part of the frag. */
+ switch (RELAX_STATE (fragP->fr_subtype))
{
+ case STATE_PC_RELATIVE:
+ fragP->fr_subtype = ENCODE_RELAX (STATE_PC_RELATIVE, STATE_BYTE);
+ break;
+ case STATE_CONDITIONAL_BRANCH:
+ fragP->fr_subtype = ENCODE_RELAX (STATE_CONDITIONAL_BRANCH, STATE_BYTE);
+ break;
+ case STATE_BIG_REV_BRANCH:
+ fragP->fr_subtype = ENCODE_RELAX (STATE_BIG_REV_BRANCH, STATE_WORD);
+ break;
+ case STATE_BIG_NON_REV_BRANCH:
fragP->fr_subtype = ENCODE_RELAX (STATE_BIG_NON_REV_BRANCH, STATE_WORD);
- }
- else
- {
- p = fragP->fr_literal + old_fr_fix;
- *p++ = 2;
- *p++ = 0;
- *p++ = TAHOE_BRB;
- *p++ = 6;
- *p++ = TAHOE_JMP;
- *p++ = TAHOE_PC_REL_LONG;
- fragP->fr_fix += 2 + 2 + 2 + 4;
- fix_new (fragP, old_fr_fix + 6, fragP->fr_symbol,
- fragP->fr_offset, FX_PCREL32, NULL);
- frag_wane (fragP);
- }
- break;
-
- case ENCODE_RELAX (STATE_ALWAYS_BRANCH, STATE_UNDF):
- if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
- {
+ break;
+ case STATE_ALWAYS_BRANCH:
fragP->fr_subtype = ENCODE_RELAX (STATE_ALWAYS_BRANCH, STATE_BYTE);
+ break;
}
- else
- {
- p = fragP->fr_literal + old_fr_fix;
- *fragP->fr_opcode = TAHOE_JMP;
- *p++ = TAHOE_PC_REL_LONG;
- fragP->fr_fix += 1 + 4;
- fix_new (fragP, old_fr_fix + 1, fragP->fr_symbol,
- fragP->fr_offset, FX_PCREL32, NULL);
- frag_wane (fragP);
- }
- break;
-
- default:
- break;
}
- return (fragP->fr_var + fragP->fr_fix - old_fr_fix);
-} /* md_estimate_size_before_relax() */
+
+ if (fragP->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0]))
+ abort ();
+
+ /* Return the size of the variable part of the frag. */
+ return md_relax_table[fragP->fr_subtype].rlx_length;
+}
\f
/*
* md_convert_frag();
* Caller will turn frag into a ".space 0".
*/
void
-md_convert_frag (headers, fragP)
+md_convert_frag (headers, seg, fragP)
object_headers *headers;
+ segT seg;
register fragS *fragP;
{
- register char *addressP; /* -> _var to change. */
- register char *opcodeP; /* -> opcode char(s) to change. */
- register short int length_code; /* 2=long 1=word 0=byte */
+ register char *addressP; /* -> _var to change. */
+ register char *opcodeP; /* -> opcode char(s) to change. */
register short int extension = 0; /* Size of relaxed address.
- Added to fr_fix: incl. ALL var chars. */
+ Added to fr_fix: incl. ALL var chars. */
register symbolS *symbolP;
register long int where;
register long int address_of_var;
/* Where, in file space, does addr point? */
know (fragP->fr_type == rs_machine_dependent);
- length_code = RELAX_LENGTH (fragP->fr_subtype);
- know (length_code >= 0 && length_code < 3);
where = fragP->fr_fix;
addressP = fragP->fr_literal + where;
opcodeP = fragP->fr_opcode;
case ENCODE_RELAX (STATE_PC_RELATIVE, STATE_BYTE):
/* *addressP holds the registers number, plus 0x10, if it's deferred
mode. To set up the right mode, just OR the size of this displacement */
- /* Byte displacement. */
+ /* Byte displacement. */
*addressP++ |= TAHOE_PC_OR_BYTE;
*addressP = target_address - (address_of_var + 2);
extension = 2;
break;
case ENCODE_RELAX (STATE_PC_RELATIVE, STATE_WORD):
- /* Word displacement. */
+ /* Word displacement. */
*addressP++ |= TAHOE_PC_OR_WORD;
md_number_to_chars (addressP, target_address - (address_of_var + 3), 2);
extension = 3;
break;
case ENCODE_RELAX (STATE_PC_RELATIVE, STATE_LONG):
- /* Long word displacement. */
+ /* Long word displacement. */
*addressP++ |= TAHOE_PC_OR_LONG;
md_number_to_chars (addressP, target_address - (address_of_var + 5), 4);
extension = 5;
break;
case ENCODE_RELAX (STATE_CONDITIONAL_BRANCH, STATE_WORD):
- *opcodeP ^= 0x10; /* Reverse sense of test. */
+ *opcodeP ^= 0x10; /* Reverse sense of test. */
*addressP++ = 3; /* Jump over word branch */
*addressP++ = TAHOE_BRW;
md_number_to_chars (addressP, target_address - (address_of_var + 4), 2);
break;
case ENCODE_RELAX (STATE_CONDITIONAL_BRANCH, STATE_LONG):
- *opcodeP ^= 0x10; /* Reverse sense of test. */
+ *opcodeP ^= 0x10; /* Reverse sense of test. */
*addressP++ = 6;
*addressP++ = TAHOE_JMP;
*addressP++ = TAHOE_PC_REL_LONG;
} /* md_convert_frag */
\f
-/* This is the stuff for md_assemble. */
+/* This is the stuff for md_assemble. */
#define FP_REG 13
#define SP_REG 14
#define PC_REG 15
*/
int
tahoe_reg_parse (start)
- char **start; /* A pointer to the string to parse. */
+ char **start; /* A pointer to the string to parse. */
{
register char *regpoint = *start;
register int regnum = -1;
switch (*regpoint++)
{
case '%': /* Registers can start with a %,
- R or r, and then a number. */
+ R or r, and then a number. */
case 'R':
case 'r':
- if (isdigit (*regpoint))
+ if (ISDIGIT (*regpoint))
{
- /* Got the first digit. */
+ /* Got the first digit. */
regnum = *regpoint++ - '0';
- if ((regnum == 1) && isdigit (*regpoint))
+ if ((regnum == 1) && ISDIGIT (*regpoint))
{
- /* Its a two digit number. */
+ /* Its a two digit number. */
regnum = 10 + (*regpoint++ - '0');
if (regnum > BIGGESTREG)
{ /* Number too big? */
out: ndx, reg, mode, error, dispsize */
{
- int mode = 0; /* This operand's mode. */
- char segfault = *optex; /* To keep the back parsing from freaking. */
- char *point = optex + 1; /* Parsing from front to back. */
- char *end; /* Parsing from back to front. */
+ int mode = 0; /* This operand's mode. */
+ char segfault = *optex; /* To keep the back parsing from freaking. */
+ char *point = optex + 1; /* Parsing from front to back. */
+ char *end; /* Parsing from back to front. */
int reg = -1; /* major register, -1 means absent */
int imreg = -1; /* Major register in immediate mode */
int ndx = -1; /* index register number, -1 means absent */
char dec_inc = ' '; /* Is the SP auto-incremented '+' or
- auto-decremented '-' or neither ' '. */
+ auto-decremented '-' or neither ' '. */
int immediate = 0; /* 1 if '$' immediate mode */
int call_width = 0; /* If the caller casts the displacement */
int abs_width = 0; /* The width of the absolute displacment */
char *tp, *temp, c; /* Temporary holders */
- char access = topP->top_access; /* Save on a deref. */
+ char access = topP->top_access; /* Save on a deref. */
char width = topP->top_width;
int really_none = 0; /* Empty expressions evaluate to 0
but I need to know if it's there or not */
expressionS *expP; /* -> expression values for this operand */
- /* Does this command restrict the displacement size. */
+ /* Does this command restrict the displacement size. */
if (access == 'b')
com_width = (width == 'b' ? 1 :
(width == 'w' ? 2 :
case 'l':
case 'L':
if (com_width)
- as_warn ("Casting a branch displacement is bad form, and is ignored.");
+ as_warn (_("Casting a branch displacement is bad form, and is ignored."));
else
{
- c = (isupper (*point) ? tolower (*point) : *point);
+ c = TOLOWER (*point);
call_width = ((c == 'b') ? 1 :
((c == 'w') ? 2 : 4));
}
* yank.
*/
- for (end = point; *end != '\0'; end++) /* Move to the end. */
+ for (end = point; *end != '\0'; end++) /* Move to the end. */
;
if (end != point) /* Null string? */
if (end > point && *end == ' ' && end[-1] != '\'')
end--; /* Hop white space */
- /* Is this an index reg. */
+ /* Is this an index reg. */
if ((*end == ']') && (end[-1] != '\''))
{
temp = end;
- /* Find opening brace. */
+ /* Find opening brace. */
for (--end; (*end != '[' && end != point); end--)
;
- /* If I found the opening brace, get the index register number. */
+ /* If I found the opening brace, get the index register number. */
if (*end == '[')
{
- tp = end + 1; /* tp should point to the start of a reg. */
+ tp = end + 1; /* tp should point to the start of a reg. */
ndx = tahoe_reg_parse (&tp);
if (tp != temp)
- { /* Reg. parse error. */
+ { /* Reg. parse error. */
ndx = -1;
}
else
{
- end--; /* Found it, move past brace. */
+ end--; /* Found it, move past brace. */
}
if (ndx == -1)
{
- op_bad = "Couldn't parse the [index] in this operand.";
- end = point; /* Force all the rest of the tests to fail. */
+ op_bad = _("Couldn't parse the [index] in this operand.");
+ end = point; /* Force all the rest of the tests to fail. */
}
}
else
{
- op_bad = "Couldn't find the opening '[' for the index of this operand.";
- end = point; /* Force all the rest of the tests to fail. */
+ op_bad = _("Couldn't find the opening '[' for the index of this operand.");
+ end = point; /* Force all the rest of the tests to fail. */
}
}
{
temp = end;
- /* Find opening paren. */
+ /* Find opening paren. */
for (--end; (*end != '(' && end != point); end--)
;
- /* If I found the opening paren, get the register number. */
+ /* If I found the opening paren, get the register number. */
if (*end == '(')
{
tp = end + 1;
reg = tahoe_reg_parse (&tp);
if (tp != temp)
{
- /* Not a register, but could be part of the expression. */
+ /* Not a register, but could be part of the expression. */
reg = -1;
end = temp; /* Rest the pointer back */
}
else
{
- end--; /* Found the reg. move before opening paren. */
+ end--; /* Found the reg. move before opening paren. */
}
}
else
{
- op_bad = "Couldn't find the opening '(' for the deref of this operand.";
- end = point; /* Force all the rest of the tests to fail. */
+ op_bad = _("Couldn't find the opening '(' for the deref of this operand.");
+ end = point; /* Force all the rest of the tests to fail. */
}
}
{
if (dec_inc != ' ')
{
- op_bad = "Operand can't be both pre-inc and post-dec.";
+ op_bad = _("Operand can't be both pre-inc and post-dec.");
end = point;
}
else
if it is there.*/
if (*point != '\0')
{
- /* If there is junk after point, then the it's not immediate reg. */
+ /* If there is junk after point, then the it's not immediate reg. */
point = tp;
imreg = -1;
}
if (imreg != -1 && reg != -1)
- op_bad = "I parsed 2 registers in this operand.";
+ op_bad = _("I parsed 2 registers in this operand.");
/*
* Evaluate whats left of the expression to see if it's valid.
if (*op_bad == '\0')
{
- /* statement has no syntax goofs yet: lets sniff the expression */
+ /* Statement has no syntax goofs yet: let's sniff the expression. */
input_line_pointer = point;
expP = &(topP->exp_of_operand);
topP->seg_of_operand = expression (expP);
really_none = 1;
case O_constant:
/* for SEG_ABSOLUTE, we shouldnt need to set X_op_symbol,
- X_add_symbol to any particular value. */
+ X_add_symbol to any particular value. */
/* But, we will program defensively. Since this situation occurs
- rarely so it costs us little to do so. */
+ rarely so it costs us little to do so. */
expP->X_add_symbol = NULL;
expP->X_op_symbol = NULL;
/* How many bytes are needed to express this abs value? */
default:
/*
- * Major bug. We can't handle the case of a operator
+ * Major bug. We can't handle the case of an operator
* expression in a synthetic opcode variable-length
* instruction. We don't have a frag type that is smart
- * enough to relax a operator, and so we just force all
+ * enough to relax an operator, and so we just force all
* operators to behave like SEG_PASS1s. Clearly, if there is
* a demand we can invent a new or modified frag type and
* then coding up a frag for this case will be easy.
*/
need_pass_2 = 1;
- op_bad = "Can't relocate expression error.";
+ op_bad = _("Can't relocate expression error.");
break;
case O_big:
/* This is an error. Tahoe doesn't allow any expressions
bigger that a 32 bit long word. Any bigger has to be referenced
- by address. */
- op_bad = "Expression is too large for a 32 bits.";
+ by address. */
+ op_bad = _("Expression is too large for a 32 bits.");
break;
}
if (*input_line_pointer != '\0')
{
- op_bad = "Junk at end of expression.";
+ op_bad = _("Junk at end of expression.");
}
}
/* I'm done, so restore optex */
*optex = segfault;
-
/*
* At this point in the game, we (in theory) have all the components of
* the operand at least parsed. Now it's time to check for syntax/semantic
mode = TAHOE_DIRECT_REG;
if (deferred || immediate || (dec_inc != ' ') ||
(reg != -1) || !really_none)
- op_bad = "Syntax error in direct register mode.";
+ op_bad = _("Syntax error in direct register mode.");
else if (ndx != -1)
- op_bad = "You can't index a register in direct register mode.";
+ op_bad = _("You can't index a register in direct register mode.");
else if (imreg == SP_REG && access == 'r')
op_bad =
- "SP can't be the source operand with direct register addressing.";
+ _("SP can't be the source operand with direct register addressing.");
else if (access == 'a')
- op_bad = "Can't take the address of a register.";
+ op_bad = _("Can't take the address of a register.");
else if (access == 'b')
- op_bad = "Direct Register can't be used in a branch.";
+ op_bad = _("Direct Register can't be used in a branch.");
else if (width == 'q' && ((imreg % 2) || (imreg > 13)))
- op_bad = "For quad access, the register must be even and < 14.";
+ op_bad = _("For quad access, the register must be even and < 14.");
else if (call_width)
- op_bad = "You can't cast a direct register.";
+ op_bad = _("You can't cast a direct register.");
if (*op_bad == '\0')
{
/* No errors, check for warnings */
if (width == 'q' && imreg == 12)
- as_warn ("Using reg 14 for quadwords can tromp the FP register.");
+ as_warn (_("Using reg 14 for quadwords can tromp the FP register."));
reg = imreg;
}
/* -(SP) */
mode = TAHOE_AUTO_DEC;
if (deferred || immediate || !really_none)
- op_bad = "Syntax error in auto-dec mode.";
+ op_bad = _("Syntax error in auto-dec mode.");
else if (ndx != -1)
- op_bad = "You can't have an index auto dec mode.";
+ op_bad = _("You can't have an index auto dec mode.");
else if (access == 'r')
- op_bad = "Auto dec mode cant be used for reading.";
+ op_bad = _("Auto dec mode cant be used for reading.");
else if (reg != SP_REG)
- op_bad = "Auto dec only works of the SP register.";
+ op_bad = _("Auto dec only works of the SP register.");
else if (access == 'b')
- op_bad = "Auto dec can't be used in a branch.";
+ op_bad = _("Auto dec can't be used in a branch.");
else if (width == 'q')
- op_bad = "Auto dec won't work with quadwords.";
+ op_bad = _("Auto dec won't work with quadwords.");
/* We know: imm = -1, dec_inc != '-' */
}
else if (dec_inc == '+')
{
if (immediate || !really_none)
- op_bad = "Syntax error in one of the auto-inc modes.";
+ op_bad = _("Syntax error in one of the auto-inc modes.");
else if (deferred)
{
/* *(SP)+ */
mode = TAHOE_AUTO_INC_DEFERRED;
if (reg != SP_REG)
- op_bad = "Auto inc deferred only works of the SP register.";
+ op_bad = _("Auto inc deferred only works of the SP register.");
else if (ndx != -1)
- op_bad = "You can't have an index auto inc deferred mode.";
+ op_bad = _("You can't have an index auto inc deferred mode.");
else if (access == 'b')
- op_bad = "Auto inc can't be used in a branch.";
+ op_bad = _("Auto inc can't be used in a branch.");
}
else
{
/* (SP)+ */
mode = TAHOE_AUTO_INC;
if (access == 'm' || access == 'w')
- op_bad = "You can't write to an auto inc register.";
+ op_bad = _("You can't write to an auto inc register.");
else if (reg != SP_REG)
- op_bad = "Auto inc only works of the SP register.";
+ op_bad = _("Auto inc only works of the SP register.");
else if (access == 'b')
- op_bad = "Auto inc can't be used in a branch.";
+ op_bad = _("Auto inc can't be used in a branch.");
else if (width == 'q')
- op_bad = "Auto inc won't work with quadwords.";
+ op_bad = _("Auto inc won't work with quadwords.");
else if (ndx != -1)
- op_bad = "You can't have an index in auto inc mode.";
+ op_bad = _("You can't have an index in auto inc mode.");
}
/* We know: imm = -1, dec_inc == ' ' */
else if (reg != -1)
{
if ((ndx != -1) && (reg == SP_REG))
- op_bad = "You can't index the sp register.";
+ op_bad = _("You can't index the sp register.");
if (deferred)
{
/* *<disp>(Rn) */
mode = TAHOE_REG_DISP_DEFERRED;
if (immediate)
- op_bad = "Syntax error in register displaced mode.";
+ op_bad = _("Syntax error in register displaced mode.");
}
else if (really_none)
{
else
{
if (really_none)
- op_bad = "An offest is needed for this operand.";
+ op_bad = _("An offest is needed for this operand.");
if (deferred && immediate)
{
/* *$<ADDR> */
/* $<disp> */
mode = TAHOE_IMMEDIATE;
if (ndx != -1)
- op_bad = "You can't index a register in immediate mode.";
+ op_bad = _("You can't index a register in immediate mode.");
if (access == 'a')
- op_bad = "Immediate access can't be used as an address.";
- /* ponder the wisdom of a cast because it doesn't do any good. */
+ op_bad = _("Immediate access can't be used as an address.");
+ /* ponder the wisdom of a cast because it doesn't do any good. */
}
else if (deferred)
{
/*
* At this point, all the errors we can do have be checked for.
- * We can build the 'top'. */
+ * We can build the 'top'. */
topP->top_ndx = ndx;
topP->top_reg = reg;
static void
tip (titP, instring)
- struct tit *titP; /* We build an exploded instruction here. */
- char *instring; /* Text of a vax instruction: we modify. */
+ struct tit *titP; /* We build an exploded instruction here. */
+ char *instring; /* Text of a vax instruction: we modify. */
{
- register struct tot_wot *twP = NULL; /* How to bit-encode this opcode. */
+ register struct tot_wot *twP = NULL; /* How to bit-encode this opcode. */
register char *p; /* 1/skip whitespace.2/scan vot_how */
register char *q; /* */
register unsigned char count; /* counts number of operands seen */
register struct top *operandp;/* scan operands in struct tit */
register char *alloperr = ""; /* error over all operands */
register char c; /* Remember char, (we clobber it
- with '\0' temporarily). */
+ with '\0' temporarily). */
char *save_input_line_pointer;
if (*instring == ' ')
- ++instring; /* Skip leading whitespace. */
+ ++instring; /* Skip leading whitespace. */
for (p = instring; *p && *p != ' '; p++)
; /* MUST end in end-of-string or
- exactly 1 space. */
- /* Scanned up to end of operation-code. */
- /* Operation-code is ended with whitespace. */
+ exactly 1 space. */
+ /* Scanned up to end of operation-code. */
+ /* Operation-code is ended with whitespace. */
if (p == instring)
{
- titP->tit_error = "No operator";
+ titP->tit_error = _("No operator");
count = 0;
titP->tit_opcode = 0;
}
* We trust instring points to an op-name, with no whitespace.
*/
twP = (struct tot_wot *) hash_find (op_hash, instring);
- *p = c; /* Restore char after op-code. */
+ *p = c; /* Restore char after op-code. */
if (twP == 0)
{
- titP->tit_error = "Unknown operator";
+ titP->tit_error = _("Unknown operator");
count = 0;
titP->tit_opcode = 0;
}
else
{
/*
- * We found a match! So lets pick up as many operands as the
+ * We found a match! So let's pick up as many operands as the
* instruction wants, and even gripe if there are too many.
* We expect comma to seperate each operand.
* We let instring track the text, while p tracks a part of the
* past any one ',' that marks the end of this operand.
*/
if (!p[1])
- as_fatal ("Compiler bug: ODD number of bytes in arg structure %s.",
+ as_fatal (_("Compiler bug: ODD number of bytes in arg structure %s."),
twP->args);
else if (*instring)
{
operandp->top_access = p[0];
operandp->top_width = p[1];
tip_op (instring - 1, operandp);
- *q = c; /* Restore input text. */
+ *q = c; /* Restore input text. */
if (*(operandp->top_error))
{
alloperr = operandp->top_error;
count++; /* won another argument, may have an operr */
}
else
- alloperr = "Not enough operands";
+ alloperr = _("Not enough operands");
}
- /* Restore the pointer. */
+ /* Restore the pointer. */
input_line_pointer = save_input_line_pointer;
if (!*alloperr)
{
if (*instring == ' ')
- instring++; /* Skip whitespace. */
+ instring++; /* Skip whitespace. */
if (*instring)
- alloperr = "Too many operands";
+ alloperr = _("Too many operands");
}
titP->tit_error = alloperr;
}
}
- titP->tit_opcode = twP->code; /* The op-code. */
+ titP->tit_opcode = twP->code; /* The op-code. */
titP->tit_operands = count;
} /* tip */
\f
/* md_assemble() emit frags for 1 instruction */
void
md_assemble (instruction_string)
- char *instruction_string; /* A string: assemble 1 instruction. */
+ char *instruction_string; /* A string: assemble 1 instruction. */
{
char *p;
- register struct top *operandP;/* An operand. Scans all operands. */
- /* char c_save; fixme: remove this line *//* What used to live after an expression. */
- /* struct frag *fragP; fixme: remove this line *//* Fragment of code we just made. */
+ register struct top *operandP;/* An operand. Scans all operands. */
+ /* char c_save; fixme: remove this line *//* What used to live after an expression. */
+ /* struct frag *fragP; fixme: remove this line *//* Fragment of code we just made. */
/* register struct top *end_operandP; fixme: remove this line *//* -> slot just after last operand
- Limit of the for (each operand). */
+ Limit of the for (each operand). */
register expressionS *expP; /* -> expression values for this operand */
- /* These refer to an instruction operand expression. */
+ /* These refer to an instruction operand expression. */
segT to_seg; /* Target segment of the address. */
register valueT this_add_number;
- register struct symbol *this_add_symbol; /* +ve (minuend) symbol. */
+ register symbolS *this_add_symbol; /* +ve (minuend) symbol. */
- /* tahoe_opcodeT opcode_as_number; fixme: remove this line *//* The opcode as a number. */
- char *opcodeP; /* Where it is in a frag. */
- /* char *opmodeP; fixme: remove this line *//* Where opcode type is, in a frag. */
+ /* tahoe_opcodeT opcode_as_number; fixme: remove this line *//* The opcode as a number. */
+ char *opcodeP; /* Where it is in a frag. */
+ /* char *opmodeP; fixme: remove this line *//* Where opcode type is, in a frag. */
int dispsize; /* From top_dispsize: tahoe_operand_width
(in bytes) */
int is_undefined; /* 1 if operand expression's
- segment not known yet. */
+ segment not known yet. */
int pc_rel; /* Is this operand pc relative? */
- /* Decode the operand. */
+ /* Decode the operand. */
tip (&t, instruction_string);
/*
*/
if (*t.tit_error)
{
- as_warn ("Ignoring statement due to \"%s\"", t.tit_error);
+ as_warn (_("Ignoring statement due to \"%s\""), t.tit_error);
}
else
{
/* We saw no errors in any operands - try to make frag(s) */
- /* Emit op-code. */
- /* Remember where it is, in case we want to modify the op-code later. */
+ /* Emit op-code. */
+ /* Remember where it is, in case we want to modify the op-code later. */
opcodeP = frag_more (1);
*opcodeP = t.tit_opcode;
- /* Now do each operand. */
+ /* Now do each operand. */
for (operandP = t.tit_operand;
operandP < t.tit_operand + t.tit_operands;
operandP++)
FRAG_APPEND_1_CHAR (0x40 + operandP->top_ndx);
} /* if(top_ndx>=0) */
- /* Here to make main operand frag(s). */
+ /* Here to make main operand frag(s). */
this_add_number = expP->X_add_number;
this_add_symbol = expP->X_add_symbol;
to_seg = operandP->seg_of_operand;
if (operandP->top_access == 'b')
{
/* Branches must be expressions. A psuedo branch can also jump to
- an absolute address. */
+ an absolute address. */
if (to_seg == now_seg || is_undefined)
{
- /* If is_undefined, then it might BECOME now_seg by relax time. */
+ /* If is_undefined, then it might BECOME now_seg by relax time. */
if (dispsize)
{
/* I know how big the branch is supposed to be (it's a normal
- branch), so I set up the frag, and let GAS do the rest. */
+ branch), so I set up the frag, and let GAS do the rest. */
p = frag_more (dispsize);
fix_new (frag_now, p - frag_now->fr_literal,
this_add_symbol, this_add_number,
{
/* (to_seg==now_seg || to_seg == SEG_UNKNOWN) && dispsize==0 */
/* If we don't know how big it is, then its a synthetic branch,
- so we set up a simple relax state. */
+ so we set up a simple relax state. */
switch (operandP->top_width)
{
case TAHOE_WIDTH_CONDITIONAL_JUMP:
break;
case TAHOE_WIDTH_ALWAYS_JUMP:
/* Simple (unconditional) jump. I may have to convert this to
- a word branch, or an absolute jump. */
+ a word branch, or an absolute jump. */
frag_var (rs_machine_dependent, 5, 1,
ENCODE_RELAX (STATE_ALWAYS_BRANCH,
is_undefined ? STATE_UNDF : STATE_BYTE),
this_add_symbol, this_add_number, opcodeP);
break;
- /* The smallest size for the next 2 cases is word. */
+ /* The smallest size for the next 2 cases is word. */
case TAHOE_WIDTH_BIG_REV_JUMP:
frag_var (rs_machine_dependent, 8, 2,
ENCODE_RELAX (STATE_BIG_REV_BRANCH,
opcodeP);
break;
default:
- as_fatal ("Compliler bug: Got a case (%d) I wasn't expecting.",
+ as_fatal (_("Compliler bug: Got a case (%d) I wasn't expecting."),
operandP->top_width);
}
}
{
/* to_seg != now_seg && to_seg != seg_unknown (still in branch)
In other words, I'm jumping out of my segment so extend the
- branches to jumps, and let GAS fix them. */
+ branches to jumps, and let GAS fix them. */
/* These are "branches" what will always be branches around a jump
to the correct addresss in real life.
If to_seg is SEG_ABSOLUTE, just encode the branch in,
- else let GAS fix the address. */
+ else let GAS fix the address. */
switch (operandP->top_width)
{
/* The theory:
For SEG_ABSOLUTE, then mode is ABSOLUTE_ADDR, jump
to that addresss (not pc_rel).
- For other segs, address is a long word PC rel jump. */
+ For other segs, address is a long word PC rel jump. */
case TAHOE_WIDTH_CONDITIONAL_JUMP:
/* b<cond> */
/* To reverse the condition in a TAHOE branch,
break;
case 'b':
case 'w':
- as_warn ("Real branch displacements must be expressions.");
+ as_warn (_("Real branch displacements must be expressions."));
break;
default:
- as_fatal ("Complier error: I got an unknown synthetic branch :%c",
+ as_fatal (_("Complier error: I got an unknown synthetic branch :%c"),
operandP->top_width);
break;
}
}
else
{
- /* It ain't a branch operand. */
+ /* It ain't a branch operand. */
switch (operandP->top_mode)
{
/* Auto-foo access, only works for one reg (SP)
- so the only thing needed is the mode. */
+ so the only thing needed is the mode. */
case TAHOE_AUTO_DEC:
case TAHOE_AUTO_INC:
case TAHOE_AUTO_INC_DEFERRED:
break;
/* An absolute address. It's size is always 5 bytes.
- (mode_type + 4 byte address). */
+ (mode_type + 4 byte address). */
case TAHOE_ABSOLUTE_ADDR:
know ((this_add_symbol == NULL));
p = frag_more (5);
break;
/* Immediate data. If the size isn't known, then it's an address
- + and offset, which is 4 bytes big. */
+ + and offset, which is 4 bytes big. */
case TAHOE_IMMEDIATE:
if (this_add_symbol != NULL)
{
}
else
{
- /* It's a integer, and I know it's size. */
+ /* It's an integer, and I know it's size. */
if ((unsigned) this_add_number < 0x40)
{
/* Will it fit in a literal? */
/* Distance from the PC. If the size isn't known, we have to relax
into it. The difference between this and disp(sp) is that
this offset is pc_rel, and disp(sp) isn't.
- Note the drop through code. */
+ Note the drop through code. */
case TAHOE_DISPLACED_RELATIVE:
case TAHOE_DISP_REL_DEFERRED:
/* Register, plus a displacement mode. Save the register number,
and weather its deffered or not, and relax the size if it isn't
- known. */
+ known. */
case TAHOE_REG_DISP:
case TAHOE_REG_DISP_DEFERRED:
if (operandP->top_mode == TAHOE_DISP_REL_DEFERRED ||
operandP->top_mode == TAHOE_REG_DISP_DEFERRED)
operandP->top_reg += 0x10; /* deffered mode is always 0x10 higher
- than it's non-deffered sibling. */
+ than it's non-deffered sibling. */
/* Is this a value out of this segment?
The first part of this conditional is a cludge to make gas
produce the same output as 'as' when there is a lable, in
the current segment, displaceing a register. It's strange,
and no one in their right mind would do it, but it's easy
- to cludge. */
+ to cludge. */
if ((dispsize == 0 && !pc_rel) ||
(to_seg != now_seg && !is_undefined && to_seg != SEG_ABSOLUTE))
dispsize = 4;
}
else
{
- /* Either this is an abs, or a cast. */
+ /* Either this is an abs, or a cast. */
p = frag_more (dispsize + 1);
switch (dispsize)
{
}
break;
default:
- as_fatal ("Barf, bad mode %x\n", operandP->top_mode);
+ as_fatal (_("Barf, bad mode %x\n"), operandP->top_mode);
}
}
} /* for(operandP) */
} /* if(!need_pass_2 && !goofed) */
} /* tahoe_assemble() */
+/* We have no need to default values of symbols. */
-/* We have no need to default values of symbols. */
-
-/* ARGSUSED */
symbolS *
md_undefined_symbol (name)
char *name;
return 0;
} /* md_undefined_symbol() */
-/* Round up a section size to the appropriate boundary. */
+/* Round up a section size to the appropriate boundary. */
valueT
md_section_align (segment, size)
segT segment;
On the sparc, they're relative to the address of the offset, plus
its size. This gets us to the following instruction.
(??? Is this right? FIXME-SOON) */
-long
+long
md_pcrel_from (fixP)
fixS *fixP;
{
: 0))) + fixP->fx_where + fixP->fx_frag->fr_address);
} /* md_pcrel_from() */
-int
+int
tc_is_pcrel (fixP)
fixS *fixP;
{
know (0);
return (0);
} /* tc_is_pcrel() */
-
-/* end of tc-tahoe.c */
projects / thirdparty / binutils-gdb.git / blobdiff