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Tue Oct 20 11:18:28 1998 Alan Modra <alan@spri.levels.unisa.edu.au>

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* config/tc-i386.c (i386_operand): Check for garbage after
	register name.
This commit is contained in:
Ian Lance Taylor
1998-10-20 15:24:45 +00:00
parent f5003e7d62
commit 7540e47096
2 changed files with 51 additions and 50 deletions

5
gas/ChangeLog

@ -1,3 +1,8 @@
Tue Oct 20 11:18:28 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
* config/tc-i386.c (i386_operand): Check for garbage after
register name.
Tue Oct 20 10:49:42 1998 Ian Lance Taylor <ian@cygnus.com> Tue Oct 20 10:49:42 1998 Ian Lance Taylor <ian@cygnus.com>
* config/tc-i386.c (md_apply_fix3): Change handling of PCREL reloc * config/tc-i386.c (md_apply_fix3): Change handling of PCREL reloc

96
gas/config/tc-i386.c

@ -2305,63 +2305,59 @@ i386_operand (operand_string)
op_string = end_op; op_string = end_op;
if (is_space_char (*op_string)) if (is_space_char (*op_string))
++op_string; ++op_string;
if (*op_string == ':') if (*op_string == ':' && (r->reg_type & (SReg2 | SReg3)))
{ {
if (r->reg_type & (SReg2 | SReg3)) switch (r->reg_num)
{ {
switch (r->reg_num) case 0:
{ i.seg[i.mem_operands] = &es;
case 0: break;
i.seg[i.mem_operands] = &es; case 1:
break; i.seg[i.mem_operands] = &cs;
case 1: break;
i.seg[i.mem_operands] = &cs; case 2:
break; i.seg[i.mem_operands] = &ss;
case 2: break;
i.seg[i.mem_operands] = &ss; case 3:
break; i.seg[i.mem_operands] = &ds;
case 3: break;
i.seg[i.mem_operands] = &ds; case 4:
break; i.seg[i.mem_operands] = &fs;
case 4: break;
i.seg[i.mem_operands] = &fs; case 5:
break; i.seg[i.mem_operands] = &gs;
case 5: break;
i.seg[i.mem_operands] = &gs; }
break;
}
/* Skip the ':' and whitespace. */ /* Skip the ':' and whitespace. */
++op_string;
if (is_space_char (*op_string))
++op_string;
/* Pretend given string starts here. */
operand_string = op_string;
if (!is_digit_char (*op_string)
&& !is_identifier_char (*op_string)
&& *op_string != '('
&& *op_string != ABSOLUTE_PREFIX)
{
as_bad (_("bad memory operand `%s'"), op_string);
return 0;
}
/* Handle case of %es:*foo. */
if (*op_string == ABSOLUTE_PREFIX)
{
++op_string; ++op_string;
if (is_space_char (*op_string)) if (is_space_char (*op_string))
++op_string; ++op_string;
i.types[this_operand] |= JumpAbsolute;
/* Pretend given string starts here. */
operand_string = op_string;
if (!is_digit_char (*op_string)
&& !is_identifier_char (*op_string)
&& *op_string != '('
&& *op_string != ABSOLUTE_PREFIX)
{
as_bad (_("bad memory operand `%s'"), op_string);
return 0;
}
/* Handle case of %es:*foo. */
if (*op_string == ABSOLUTE_PREFIX)
{
++op_string;
if (is_space_char (*op_string))
++op_string;
i.types[this_operand] |= JumpAbsolute;
}
goto do_memory_reference;
}
else
{
as_bad (_("bad segment prefix `%c%s'"),
REGISTER_PREFIX, r->reg_name);
return 0;
} }
goto do_memory_reference;
}
if (*op_string)
{
as_bad (_("Junk `%s' after register"), op_string);
return 0;
} }
i.types[this_operand] |= r->reg_type & ~BaseIndex; i.types[this_operand] |= r->reg_type & ~BaseIndex;
i.regs[this_operand] = r; i.regs[this_operand] = r;