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emit: Check if the argument of 'align.pri/alt' is in range from 0 to (sizeof(cell)-1)

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This commit is contained in:
Daniel_Cortez 2018-02-11 20:54:51 +07:00
parent 78f6959630
commit b0026d8ce6
1 changed files with 12 additions and 6 deletions
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18
source/compiler/sc1.c
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@ -6367,6 +6367,15 @@ static void SC_FASTCALL emit_do_lodb_strb(char *name)
outinstr(name,p,(sizeof p / sizeof p[0]));
}
static void SC_FASTCALL emit_do_align(char *name)
{
static const cell valid_values[] = { 0,sizeof(cell)-1 };
emit_outval p[1];
emit_param_index(&p[0],TRUE,valid_values,(sizeof valid_values / sizeof valid_values[0]));
outinstr(name,p,(sizeof p / sizeof p[0]));
}
static void SC_FASTCALL emit_do_lctrl(char *name)
{
static const cell valid_values[] = { 0,9 };
@ -6596,8 +6605,8 @@ static EMIT_OPCODE emit_opcodelist[] = {
{ 87, "add.c", emit_parm1_any },
{ 14, "addr.alt", emit_parm1_local },
{ 13, "addr.pri", emit_parm1_local },
{ 30, "align.alt", emit_parm1_any },
{ 29, "align.pri", emit_parm1_any },
{ 30, "align.alt", emit_do_align },
{ 29, "align.pri", emit_do_align },
{ 81, "and", emit_parm0 },
{121, "bounds", emit_parm1_integer },
{137, "break", emit_parm0 },
@ -6751,10 +6760,7 @@ static int emit_findopcode(const char *instr,int maxlen)
{
int low,high,mid,cmp;
/* look up the instruction with a binary search
* the assembler is case insensitive to instructions (but case sensitive
* to symbols)
*/
/* look up the instruction with a binary search */
low=1; /* entry 0 is reserved (for "not found") */
high=(sizeof emit_opcodelist / sizeof emit_opcodelist[0])-1;
while (low<high) {