static void gen_expr_struct_lea(expr *e)
{
ASSERT_NOT_DOT();
gen_expr(e->lhs);
/* cast for void* arithmetic */
out_change_type(type_ptr_to(type_nav_btype(cc1_type_nav, type_void)));
out_push_l(type_nav_btype(cc1_type_nav, type_intptr_t), struct_offset(e)); /* integral offset */
out_op(op_plus);
if(fopt_mode & FOPT_VERBOSE_ASM)
out_comment("struct member %s", e->bits.struct_mem.d->spel);
{
decl *d = e->bits.struct_mem.d;
out_change_type(type_ptr_to(d->ref));
/* set if we're a bitfield - out_deref() and out_store()
* i.e. read + write then handle this
*/
if(d->bits.var.field_width){
unsigned w = const_fold_val_i(d->bits.var.field_width);
out_set_bitfield(d->bits.var.struct_offset_bitfield, w);
out_comment("struct bitfield lea");
}
}
}
static void fold_const_expr_struct(expr *e, consty *k)
{
/* if lhs is NULL (or some pointer constant),
* const fold to struct offset, (obv. if !dot, which is taken care of in fold) */
ASSERT_NOT_DOT();
const_fold(e->lhs, k);
switch(k->type){
case CONST_NO:
case CONST_NEED_ADDR:
case CONST_STRK:
k->type = CONST_NO;
break;
case CONST_ADDR:
/* not constant unless addressed e.g. &a->b (unless array/func) */
k->type = CONST_ADDR_OR_NEED(e->bits.struct_mem.d);
/* don't touch k->bits.addr info */
/* obviously we offset this */
k->offset += struct_offset(e);
break;
case CONST_NUM:
k->type = CONST_NEED_ADDR; /* e.g. &((A *)0)->b */
/* convert the val to a memaddr */
/* read num.val before we clobber it */
k->bits.addr.bits.memaddr = k->bits.num.val.i + struct_offset(e);
k->offset = 0;
k->bits.addr.is_lbl = 0;
break;
}
}
void gen_expr_str_struct(expr *e)
{
decl *mem = e->bits.struct_mem.d;
idt_printf("struct/union member %s offset %d\n",
mem->spel, struct_offset(e));
if(mem->bits.var.field_width)
idt_printf("bitfield offset %u, width %u\n",
mem->bits.var.struct_offset_bitfield,
(unsigned)const_fold_val_i(mem->bits.var.field_width));
gen_str_indent++;
print_expr(e->lhs);
gen_str_indent--;
}
offset64_t eggListView_reg_info(HEGGLISTVIEW hEggListView, HEGGLISTINF hInfo)
{
if(EGGLISTVIEW_IS_INVALID(hEggListView))
{
return EGG_FALSE;
}
hEggListView->hInfo = realloc(hEggListView->hInfo, hInfo->aSz);
memcpy(hEggListView->hInfo, hInfo, hInfo->aSz);
hEggListView->hInfo->ownOff = ViewStream_write(hEggListView->hViewStream,
hInfo, hInfo->aSz);
ViewStream_update_nolock(hEggListView->hViewStream,
&hEggListView->hInfo->ownOff, sizeof(hEggListView->hInfo->ownOff),
hEggListView->hInfo->ownOff + struct_offset(EGGLISTINF, ownOff));
return EGG_TRUE;
}
