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Cathc unwanted text after instructions

This commit is contained in:
Nick Clifton 2000-01-31 18:24:43 +00:00
parent 5cae921ebd
commit 2d473ce9c0
2 changed files with 29 additions and 7 deletions
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5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
2000-19-01 Chandra Chavva <cchavva@cygnus.com>
* config/tc-mcore.c (md_assemble): Give warning message if
operands passes to instruction are more than the spec.
2000-01-27 Thomas de Lellis <tdel@windriver.com>
* config/tc-arm.c (armadjust_symtab): If the assembler is in

31
gas/config/tc-mcore.c
View File

@ -1,5 +1,5 @@
/* tc-mcore.c -- Assemble code for M*Core
Copyright (C) 1999 Free Software Foundation.
Copyright (C) 1999, 2000 Free Software Foundation.
This file is part of GAS, the GNU Assembler.
@ -1339,8 +1339,11 @@ md_assemble (str)
++ op_end;
if (* op_end == ',')
/* parse_rt calls frag_more() for us. */
input_line_pointer = parse_rt (op_end + 1, & output, 0, 0);
{
/* parse_rt calls frag_more() for us. */
input_line_pointer = parse_rt (op_end + 1, & output, 0, 0);
op_end = input_line_pointer;
}
else
{
as_bad (_("second operand missing"));
@ -1351,6 +1354,7 @@ md_assemble (str)
case LJ:
input_line_pointer = parse_rt (op_end + 1, & output, 1, 0);
/* parse_rt() calls frag_more() for us. */
op_end = input_line_pointer;
break;
case RM:
@ -1463,6 +1467,7 @@ md_assemble (str)
case BR:
input_line_pointer = parse_exp (op_end + 1, & e);
op_end = input_line_pointer;
output = frag_more (2);
@ -1495,6 +1500,7 @@ md_assemble (str)
case JC:
input_line_pointer = parse_exp (op_end + 1, & e);
op_end = input_line_pointer;
output = frag_var (rs_machine_dependent,
md_relax_table[C (COND_JUMP, COND32)].rlx_length,
@ -1505,6 +1511,8 @@ md_assemble (str)
case JU:
input_line_pointer = parse_exp (op_end + 1, & e);
op_end = input_line_pointer;
output = frag_var (rs_machine_dependent,
md_relax_table[C (UNCD_JUMP, UNCD32)].rlx_length,
md_relax_table[C (UNCD_JUMP, UNCD12)].rlx_length,
@ -1516,6 +1524,7 @@ md_assemble (str)
inst = MCORE_INST_JSRI; /* jsri */
input_line_pointer = parse_rt (op_end + 1, & output, 1, & e);
/* parse_rt() calls frag_more for us. */
op_end = input_line_pointer;
/* Only do this if we know how to do it ... */
if (e.X_op != O_absent && do_jsri2bsr)
@ -1595,6 +1604,14 @@ md_assemble (str)
default:
as_bad (_("unimplemented opcode \"%s\""), name);
}
/* Drop whitespace after all the operands have been parsed. */
while (isspace (* op_end))
op_end ++;
/* Give warning message if the insn has more operands than required. */
if (strcmp (op_end, opcode->name) && strcmp (op_end, ""))
as_warn (_("ignoring operands: %s "), op_end);
output[0] = INST_BYTE0 (inst);
output[1] = INST_BYTE1 (inst);
@ -1971,8 +1988,8 @@ md_apply_fix3 (fixP, valp, segment)
as_bad_where (file, fixP->fx_line,
_("pcrel for branch to %s too far (0x%x)"),
symname, val);
buf[0] |= ((val >> 8) & 0x7);
buf[1] |= (val & 0xff);
buf[0] |= ((val >> 8) & 0x7);
buf[1] |= (val & 0xff);
break;
case BFD_RELOC_MCORE_PCREL_IMM8BY4: /* lower 8 bits of 2 byte opcode */
@ -1991,7 +2008,7 @@ md_apply_fix3 (fixP, valp, segment)
as_bad_where (file, fixP->fx_line,
_("pcrel for loopt too far (0x%x)"), val);
val /= 2;
buf[1] |= (val & 0xf);
buf[1] |= (val & 0xf);
break;
case BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2:
@ -2248,7 +2265,7 @@ mcore_force_relocation (fix)
{
if ( fix->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fix->fx_r_type == BFD_RELOC_VTABLE_ENTRY
|| fixP->fx_r_type == BFD_RELOC_RVA)
|| fix->fx_r_type == BFD_RELOC_RVA)
return 1;
return 0;