/* tc-tic4x.c -- Assemble for the Texas Instruments TMS320C[34]x.
- Copyright (C) 1997-2015 Free Software Foundation, Inc.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
Contributed by Michael P. Hayes (m.hayes@elec.canterbury.ac.nz)
unsigned int nchars; /* This is always 4 for the C30. */
unsigned long opcode; /* Opcode number. */
expressionS exp; /* Expression required for relocation. */
- int reloc; /* Relocation type required. */
+ /* Relocation type required. */
+ bfd_reloc_code_real_type reloc;
int pcrel; /* True if relocation PC relative. */
char *pname; /* Name of instruction in parallel. */
unsigned int num_operands; /* Number of operands in total. */
extern FLONUM_TYPE generic_floating_point_number;
/* Precision in LittleNums. */
-#define MAX_PRECISION (4) /* Its a bit overkill for us, but the code
+#define MAX_PRECISION (4) /* It's a bit overkill for us, but the code
requires it... */
#define S_PRECISION (1) /* Short float constants 16-bit. */
#define F_PRECISION (2) /* Float and double types 32-bit. */
}
static void
-tic4x_insert_reg (char *regname, int regnum)
+tic4x_insert_reg (const char *regname, int regnum)
{
char buf[32];
int i;
}
static void
-tic4x_insert_sym (char *symname, int value)
+tic4x_insert_sym (const char *symname, int value)
{
symbolS *symbolP;
char c;
char *name;
char *str;
- char *tmp;
SKIP_WHITESPACE ();
str = input_line_pointer;
return;
}
*input_line_pointer++ = '\0';
- name = input_line_pointer;
- c = get_symbol_end (); /* Get terminator. */
- tmp = xmalloc (strlen (str) + 1);
- strcpy (tmp, str);
- str = tmp;
- tmp = xmalloc (strlen (name) + 1);
- strcpy (tmp, name);
- name = tmp;
+ c = get_symbol_name (&name); /* Get terminator. */
+ str = xstrdup (str);
+ name = xstrdup (name);
if (hash_find (tic4x_asg_hash, name))
hash_replace (tic4x_asg_hash, name, (void *) str);
else
hash_insert (tic4x_asg_hash, name, (void *) str);
- *input_line_pointer = c;
+ (void) restore_line_pointer (c);
demand_empty_rest_of_line ();
}
current_subseg = now_subseg; /* Save current subseg. */
SKIP_WHITESPACE ();
- name = input_line_pointer;
- c = get_symbol_end (); /* Get terminator. */
+ c = get_symbol_name (&name); /* Get terminator. */
+ if (c == '"')
+ c = * ++ input_line_pointer;
if (c != ',')
{
as_bad (_(".bss size argument missing\n"));
do
{
- name = input_line_pointer;
- c = get_symbol_end ();
+ c = get_symbol_name (&name);
symbolP = symbol_find_or_make (name);
*input_line_pointer = c;
- SKIP_WHITESPACE ();
+ SKIP_WHITESPACE_AFTER_NAME ();
S_SET_STORAGE_CLASS (symbolP, C_EXT);
S_SET_EXTERNAL (symbolP);
if (c == ',')
as_bad (_("Non-constant symbols not allowed\n"));
return;
}
- exp.X_add_number &= 255; /* Limit numeber to 8-bit */
+ exp.X_add_number &= 255; /* Limit number to 8-bit */
emit_expr (&exp, 1);
bytes++;
}
as_bad (_("Symbol missing\n"));
return;
}
- name = input_line_pointer;
- c = get_symbol_end (); /* Get terminator. */
+ c = get_symbol_name (&name); /* Get terminator. */
tic4x_insert_sym (name, value);
- *input_line_pointer++ = c;
+ (void) restore_line_pointer (c);
demand_empty_rest_of_line ();
}
SKIP_WHITESPACE ();
if (*input_line_pointer == '"')
input_line_pointer++;
- section_name = input_line_pointer;
- c = get_symbol_end (); /* Get terminator. */
+ c = get_symbol_name (§ion_name); /* Get terminator. */
+ if (c == '"')
+ c = * ++ input_line_pointer;
input_line_pointer++; /* Skip null symbol terminator. */
- name = xmalloc (input_line_pointer - section_name + 1);
- strcpy (name, section_name);
+ name = xstrdup (section_name);
/* TI C from version 5.0 allows a section name to contain a
subsection name as well. The subsection name is separated by a
Volker Kuhlmann <v.kuhlmann@elec.canterbury.ac.nz>. */
if (c == ':')
{
- c = get_symbol_end (); /* Get terminator. */
+ char *subname;
+ c = get_symbol_name (&subname); /* Get terminator. */
+ if (c == '"')
+ c = * ++ input_line_pointer;
input_line_pointer++; /* Skip null symbol terminator. */
as_warn (_(".sect: subsection name ignored"));
}
/* We might still have a '"' to discard, but the character after a
- symbol name will be overwritten with a \0 by get_symbol_end()
+ symbol name will be overwritten with a \0 by get_symbol_name()
[VK]. */
if (c == ',')
bfd_errmsg (bfd_get_error ()));
}
- /* If the last character overwritten by get_symbol_end() was an
+ /* If the last character overwritten by get_symbol_name() was an
end-of-line, we must restore it or the end of the line will not be
recognised and scanning extends into the next line, stopping with
an error (blame Volker Kuhlmann <v.kuhlmann@elec.canterbury.ac.nz>
char c;
char *name;
- name = input_line_pointer;
- c = get_symbol_end (); /* Get terminator. */
+ c = get_symbol_name (&name); /* Get terminator. */
+ if (c == '"')
+ c = * ++ input_line_pointer;
if (c != ',')
{
as_bad (_(".set syntax invalid\n"));
SKIP_WHITESPACE ();
if (*input_line_pointer == '"')
input_line_pointer++;
- section_name = input_line_pointer;
- c = get_symbol_end (); /* Get terminator. */
+ c = get_symbol_name (§ion_name); /* Get terminator. */
+ if (c == '"')
+ c = * ++ input_line_pointer;
input_line_pointer++; /* Skip null symbol terminator. */
- name = xmalloc (input_line_pointer - section_name + 1);
- strcpy (name, section_name);
+ name = xstrdup (section_name);
if (c == ',')
input_line_pointer =
/* Make a new instruction template. */
static tic4x_inst_t *
-tic4x_inst_make (char *name, unsigned long opcode, char *args)
+tic4x_inst_make (const char *name, unsigned long opcode, const char *args)
{
static tic4x_inst_t *insts = NULL;
static char *names = NULL;
if (insts == NULL)
{
/* Allocate memory to store name strings. */
- names = (char *) xmalloc (sizeof (char) * 8192);
+ names = XNEWVEC (char, 8192);
/* Allocate memory for additional insts. */
- insts = (tic4x_inst_t *)
- xmalloc (sizeof (tic4x_inst_t) * 1024);
+ insts = XNEWVEC (tic4x_inst_t, 1024);
}
insts[iindex].name = names;
insts[iindex].opcode = opcode;
static int
tic4x_inst_add (const tic4x_inst_t *insts)
{
- char *s = insts->name;
+ const char *s = insts->name;
char *d;
unsigned int i;
int ok = 1;
{
tic4x_inst_t *inst;
int k = 0;
- char *c = tic4x_conds[i].name;
+ const char *c = tic4x_conds[i].name;
char *e = d;
while (*c)
tic4x_indirect_parse (tic4x_operand_t *operand,
const tic4x_indirect_t *indirect)
{
- char *n = indirect->name;
+ const char *n = indirect->name;
char *s = input_line_pointer;
char *b;
symbolS *symbolP;
input_line_pointer = s;
SKIP_WHITESPACE ();
- str = input_line_pointer;
- c = get_symbol_end (); /* Get terminator. */
+ c = get_symbol_name (&str); /* Get terminator. */
new_pointer = input_line_pointer;
if (strlen (str) && (entry = hash_find (tic4x_asg_hash, str)) != NULL)
{
- *input_line_pointer = c;
+ (void) restore_line_pointer (c);
input_line_pointer = (char *) entry;
}
else
{
- *input_line_pointer = c;
+ (void) restore_line_pointer (c);
input_line_pointer = str;
}
/* Allow ori ^foo, ar0 to be equivalent to ldi .hi.foo, ar0 */
/* WARNING : The TI C40 assembler cannot do this. */
else if (exp->X_op == O_symbol)
- {
- operand->mode = M_HI;
- break;
- }
+ operand->mode = M_HI;
+ else
+ as_bad (_("Expecting a constant value"));
+ break;
case '#':
input_line_pointer = tic4x_expression (++input_line_pointer, exp);
/* Allow ori foo, ar0 to be equivalent to ldi .lo.foo, ar0 */
/* WARNING : The TI C40 assembler cannot do this. */
else if (exp->X_op == O_symbol)
- {
- operand->mode = M_IMMED;
- break;
- }
-
+ operand->mode = M_IMMED;
else
as_bad (_("Expecting a constant value"));
break;
+
case '\\':
#endif
case '@':
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 )
- as_warn (_("Equal parallell destination registers, one result will be discarded"));
+ as_warn (_("Equal parallel destination registers, one result will be discarded"));
}
}
of chars emitted is stored in *sizeP. An error message is
returned, or NULL on OK. */
-char *
+const char *
md_atof (int type, char *litP, int *sizeP)
{
int prec;
{
case BFD_RELOC_32:
buf[3] = val >> 24;
+ /* Fall through. */
case BFD_RELOC_24:
case BFD_RELOC_24_PCREL:
buf[2] = val >> 16;
+ /* Fall through. */
case BFD_RELOC_16:
case BFD_RELOC_16_PCREL:
case BFD_RELOC_LO16:
int
-md_parse_option (int c, char *arg)
+md_parse_option (int c, const char *arg)
{
switch (c)
{
case 'b':
as_warn (_("Option -b is depreciated, please use -mbig"));
+ /* Fall through. */
case OPTION_BIG: /* big model */
tic4x_big_model = 1;
break;
case 'p':
as_warn (_("Option -p is depreciated, please use -mmemparm"));
+ /* Fall through. */
case OPTION_MEMPARM: /* push args */
tic4x_reg_args = 0;
break;
case 'r':
as_warn (_("Option -r is depreciated, please use -mregparm"));
+ /* Fall through. */
case OPTION_REGPARM: /* register args */
tic4x_reg_args = 1;
break;
case 's':
as_warn (_("Option -s is depreciated, please use -msmall"));
+ /* Fall through. */
case OPTION_SMALL: /* small model */
tic4x_big_model = 0;
break;
{
arelent *reloc;
- reloc = (arelent *) xmalloc (sizeof (arelent));
+ reloc = XNEW (arelent);
- reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc->sym_ptr_ptr = XNEW (asymbol *);
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixP->fx_addsy);
reloc->address = fixP->fx_frag->fr_address + fixP->fx_where;
reloc->address /= OCTETS_PER_BYTE;