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, 51 Franklin Street - Fifth Floor,
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1301, USA. */
/*
TODOs:
------
-
+
o .align cannot handle fill-data-width larger than 0xFF/8-bits. It
should be possible to define a 32-bits pattern.
/* This array holds the chars that only start a comment at the beginning of
a line. If the line seems to have the form '# 123 filename'
- .line and .file directives will appear in the pre-processed output.
+ .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[] = "#*";
The code in this function is altered slightly to support floats
with 31-bits mantissas, thus the documentation below may be a
little bit inaccurate.
-
+
By Michael P. Hayes <m.hayes@elec.canterbury.ac.nz>
Here is how a generic floating point number is stored using
flonums (an extension of bignums) where p is a pointer to an
/* +INF: Replace with maximum float. */
if (precision == S_PRECISION)
words[0] = 0x77ff;
- else
+ else
{
words[0] = 0x7f7f;
words[1] = 0xffff;
/* -INF: Replace with maximum float. */
if (precision == S_PRECISION)
words[0] = 0x7800;
- else
+ else
words[0] = 0x7f80;
if (precision == E_PRECISION)
words[2] = 0x8000;
return return_value;
}
-static void
+static void
tic4x_insert_reg (char *regname, int regnum)
{
char buf[32];
&zero_address_frag));
}
-static void
+static void
tic4x_insert_sym (char *symname, int value)
{
symbolS *symbolP;
return s;
}
-static void
+static void
tic4x_emit_char (char c, int b)
{
expressionS exp;
emit_expr (&exp, b);
}
-static void
+static void
tic4x_seg_alloc (char *name ATTRIBUTE_UNUSED,
segT seg ATTRIBUTE_UNUSED,
int size,
}
/* .asg ["]character-string["], symbol */
-static void
+static void
tic4x_asg (int x ATTRIBUTE_UNUSED)
{
char c;
}
/* .bss symbol, size */
-static void
+static void
tic4x_bss (int x ATTRIBUTE_UNUSED)
{
char c;
}
/* Handle .byte, .word. .int, .long */
-static void
+static void
tic4x_cons (int bytes)
{
unsigned int c;
}
/* Handle .ascii, .asciz, .string */
-static void
+static void
tic4x_stringer (int append_zero)
{
int bytes;
}
/* .eval expression, symbol */
-static void
+static void
tic4x_eval (int x ATTRIBUTE_UNUSED)
{
char c;
}
/* Reset local labels. */
-static void
+static void
tic4x_newblock (int x ATTRIBUTE_UNUSED)
{
dollar_label_clear ();
/* .sect "section-name" [, value] */
/* .sect ["]section-name[:subsection-name]["] [, value] */
-static void
+static void
tic4x_sect (int x ATTRIBUTE_UNUSED)
{
char c;
}
/* symbol[:] .set value or .set symbol, value */
-static void
+static void
tic4x_set (int x ATTRIBUTE_UNUSED)
{
symbolS *symbolP;
}
/* [symbol] .usect ["]section-name["], size-in-words [, alignment-flag] */
-static void
+static void
tic4x_usect (int x ATTRIBUTE_UNUSED)
{
char c;
}
/* .version cpu-version. */
-static void
+static void
tic4x_version (int x ATTRIBUTE_UNUSED)
{
offsetT temp;
demand_empty_rest_of_line ();
}
-static void
+static void
tic4x_init_regtable (void)
{
unsigned int i;
}
}
-static void
+static void
tic4x_init_symbols (void)
{
/* The TI tools accept case insensitive versions of these symbols,
Source: TI: TMS320C3x/C4x Assembly Language Tools User's Guide,
1997, SPRU035C, p. 3-17/3-18. */
tic4x_insert_sym (".REGPARM", tic4x_reg_args);
- tic4x_insert_sym (".MEMPARM", !tic4x_reg_args);
+ tic4x_insert_sym (".MEMPARM", !tic4x_reg_args);
tic4x_insert_sym (".BIGMODEL", tic4x_big_model);
tic4x_insert_sym (".C30INTERRUPT", 0);
tic4x_insert_sym (".TMS320xx", tic4x_cpu == 0 ? 40 : tic4x_cpu);
}
/* Insert a new instruction template into hash table. */
-static int
+static int
tic4x_inst_insert (const tic4x_inst_t *inst)
{
static char prev_name[16];
}
/* Add instruction template, creating dynamic templates as required. */
-static int
+static int
tic4x_inst_add (const tic4x_inst_t *insts)
{
char *s = insts->name;
/* 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. */
-void
+void
md_begin (void)
{
int ok = 1;
tic4x_init_symbols ();
}
-void
+void
tic4x_end (void)
{
- bfd_set_arch_mach (stdoutput, bfd_arch_tic4x,
+ bfd_set_arch_mach (stdoutput, bfd_arch_tic4x,
IS_CPU_TIC4X (tic4x_cpu) ? bfd_mach_tic4x : bfd_mach_tic3x);
}
-static int
+static int
tic4x_indirect_parse (tic4x_operand_t *operand,
const tic4x_indirect_t *indirect)
{
return new_pointer;
}
-static int
+static int
tic4x_operands_match (tic4x_inst_t *inst, tic4x_insn_t *tinsn, int check)
{
const char *args = inst->args;
if (!(operand->mode == M_REGISTER))
break;
reg = exp->X_add_number;
- if ( (reg >= REG_R0 && reg <= REG_R7)
+ if ( (reg >= REG_R0 && reg <= REG_R7)
|| (IS_CPU_TIC4X (tic4x_cpu) && reg >= REG_R8 && reg <= REG_R11) )
INSERTU (opcode, reg, 7, 0);
else
if (operand->mode != M_REGISTER)
break;
reg = exp->X_add_number;
- if ( (reg >= REG_R0 && reg <= REG_R7)
+ if ( (reg >= REG_R0 && reg <= REG_R7)
|| (IS_CPU_TIC4X (tic4x_cpu) && reg >= REG_R8 && reg <= REG_R11) )
INSERTU (opcode, reg, 15, 8);
else
if (operand->mode != M_REGISTER)
break;
reg = exp->X_add_number;
- if ( (reg >= REG_R0 && reg <= REG_R7)
+ if ( (reg >= REG_R0 && reg <= REG_R7)
|| (IS_CPU_TIC4X (tic4x_cpu) && reg >= REG_R8 && reg <= REG_R11) )
INSERTU (opcode, reg, 15, 0);
else
if (operand->mode != M_REGISTER)
break;
reg = exp->X_add_number;
- if ( (reg >= REG_R0 && reg <= REG_R7)
+ if ( (reg >= REG_R0 && reg <= REG_R7)
|| (IS_CPU_TIC4X (tic4x_cpu) && reg >= REG_R8 && reg <= REG_R11) )
INSERTU (opcode, reg, 20, 16);
else
static void
tic4x_insn_check (tic4x_insn_t *tinsn)
{
-
+
if (!strcmp (tinsn->name, "lda"))
{
if (tinsn->num_operands < 2 || tinsn->num_operands > 2)
{
if (tinsn->num_operands < 4 || tinsn->num_operands > 5)
as_fatal ("Illegal internal %s insn definition", tinsn->name);
-
+
if (tinsn->operands[1].mode == M_REGISTER
&& tinsn->operands[tinsn->num_operands-1].mode == M_REGISTER
&& tinsn->operands[1].expr.X_add_number == tinsn->operands[tinsn->num_operands-1].expr.X_add_number )
}
}
-static void
+static void
tic4x_insn_output (tic4x_insn_t *tinsn)
{
char *dst;
}
/* Parse the operands. */
-static int
+static int
tic4x_operands_parse (char *s, tic4x_operand_t *operands, int num_operands)
{
if (!*s)
/* Assemble a single instruction. Its label has already been handled
by the generic front end. We just parse mnemonic and operands, and
produce the bytes of data and relocation. */
-void
+void
md_assemble (char *str)
{
int ok = 0;
s = str;
while (*s && *s != '|')
s++;
-
+
if (*s && s[1]=='|')
{
if(insn->parallel)
insn->in_use = 0;
return;
}
-
+
/* Lets take care of the first part of the parallel insn */
*s++ = 0;
md_assemble(str);
/* .. and let the second run though here */
}
}
-
+
if (str && insn->parallel)
{
/* Find mnemonic (second part of parallel instruction). */
return NULL;
}
-void
+void
md_apply_fix (fixS *fixP, valueT *value, segT seg ATTRIBUTE_UNUSED)
{
char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
}
/* Should never be called for tic4x. */
-void
+void
md_convert_frag (bfd *headers ATTRIBUTE_UNUSED,
segT sec ATTRIBUTE_UNUSED,
fragS *fragP ATTRIBUTE_UNUSED)
tic4x_reg_args = 0;
break;
- case 'r':
+ case 'r':
as_warn (_("Option -r is depreciated, please use -mregparm"));
case OPTION_REGPARM: /* register args */
tic4x_reg_args = 1;
/* This is called when a line is unrecognized. This is used to handle
definitions of TI C3x tools style local labels $n where n is a single
decimal digit. */
-int
+int
tic4x_unrecognized_line (int c)
{
int lab;
return size; /* Byte (i.e., 32-bit) alignment is fine? */
}
-static int
+static int
tic4x_pc_offset (unsigned int op)
{
/* Determine the PC offset for a C[34]x instruction.
/* Fill the alignment area with NOP's on .text, unless fill-data
was specified. */
-int
+int
tic4x_do_align (int alignment,
const char *fill,
int len,
{
/* Because we are talking lwords, not bytes, adjust alignment to do words */
alignment += 2;
-
+
if (alignment != 0 && !need_pass_2)
{
if (fill == NULL)
else
frag_align_pattern (alignment, fill, len, max);
}
-
+
/* Return 1 to skip the default alignment function */
return 1;
}
/* Look for and remove parallel instruction operator ||. */
-void
+void
tic4x_start_line (void)
{
char *s = input_line_pointer;
projects / deliverable / binutils-gdb.git / blobdiff