/* -----------------------------------------------------------------------------
* gen_operand() - Generates assembly output for each operand.
* -----------------------------------------------------------------------------
*/
static void gen_operand(struct ud* u, struct ud_operand* op, int syn_cast)
{
switch(op->type) {
case UD_OP_REG:
ud_asmprintf(u, "%s", ud_reg_tab[op->base - UD_R_AL]);
break;
case UD_OP_MEM:
if (syn_cast) {
opr_cast(u, op);
}
ud_asmprintf(u, "[");
if (u->pfx_seg) {
ud_asmprintf(u, "%s:", ud_reg_tab[u->pfx_seg - UD_R_AL]);
}
if (op->base) {
ud_asmprintf(u, "%s", ud_reg_tab[op->base - UD_R_AL]);
}
if (op->index) {
ud_asmprintf(u, "%s%s", op->base != UD_NONE? "+" : "",
ud_reg_tab[op->index - UD_R_AL]);
if (op->scale) {
ud_asmprintf(u, "*%d", op->scale);
}
}
if (op->offset != 0) {
ud_syn_print_mem_disp(u, op, (op->base != UD_NONE ||
op->index != UD_NONE) ? 1 : 0);
}
ud_asmprintf(u, "]");
break;
case UD_OP_IMM:
ud_syn_print_imm(u, op);
break;
case UD_OP_JIMM:
ud_syn_print_addr(u, ud_syn_rel_target(u, op));
break;
case UD_OP_PTR:
switch (op->size) {
case 32:
ud_asmprintf(u, "word 0x%x:0x%x", (unsigned int) op->lval.ptr.seg,
(unsigned int) (op->lval.ptr.off & 0xFFFF));
break;
case 48:
ud_asmprintf(u, "dword 0x%x:0x%x", op->lval.ptr.seg,
(unsigned int) op->lval.ptr.off);
break;
}
break;
case UD_OP_CONST:
if (syn_cast) opr_cast(u, op);
ud_asmprintf(u, "%d", (int) op->lval.udword);
break;
default: return;
}
}
/* -----------------------------------------------------------------------------
* gen_operand() - Generates assembly output for each operand.
* -----------------------------------------------------------------------------
*/
static void
gen_operand(struct ud* u, struct ud_operand* op)
{
switch(op->type) {
case UD_OP_CONST:
ud_asmprintf(u, "$0x%x", op->lval.udword);
break;
case UD_OP_REG:
ud_asmprintf(u, "%%%s", ud_reg_tab[op->base - UD_R_AL]);
break;
case UD_OP_MEM:
if (u->br_far) {
opr_cast(u, op);
}
if (u->pfx_seg) {
ud_asmprintf(u, "%%%s:", ud_reg_tab[u->pfx_seg - UD_R_AL]);
}
if (op->offset != 0) {
ud_syn_print_mem_disp(u, op, 0);
}
if (op->base) {
ud_asmprintf(u, "(%%%s", ud_reg_tab[op->base - UD_R_AL]);
}
if (op->index) {
if (op->base) {
ud_asmprintf(u, ",");
} else {
ud_asmprintf(u, "(");
}
ud_asmprintf(u, "%%%s", ud_reg_tab[op->index - UD_R_AL]);
}
if (op->scale) {
ud_asmprintf(u, ",%d", op->scale);
}
if (op->base || op->index) {
ud_asmprintf(u, ")");
}
break;
case UD_OP_IMM:
ud_syn_print_imm(u, op);
break;
case UD_OP_JIMM:
ud_syn_print_addr(u, ud_syn_rel_target(u, op));
break;
case UD_OP_PTR:
switch (op->size) {
case 32:
ud_asmprintf(u, "$0x%x, $0x%x", op->lval.ptr.seg,
op->lval.ptr.off & 0xFFFF);
break;
case 48:
ud_asmprintf(u, "$0x%x, $0x%x", op->lval.ptr.seg,
op->lval.ptr.off);
break;
}
break;
default: return;
}
}
/* -----------------------------------------------------------------------------
* gen_operand() - 为每个操作数生成汇编输出.
* -----------------------------------------------------------------------------
*/
static void gen_operand(struct ud *u,struct ud_operand *op,int syn_cast,wchar_t *wtmp,size_t wcount)
{
switch(op->type)
{
case UD_OP_REG:
wprintfcat(wtmp,wcount,L"%s",ud_reg_tab[op->base - UD_R_AL]);
ud_casmprint(u,UDCA_GPRs,3,wtmp);
break;
case UD_OP_MEM:
if (syn_cast)
opr_cast(u, op,wtmp,wcount); //操作数类型 dword ptr
if (u->pfx_seg)
wprintfcat(wtmp,wcount,L"%s:", ud_reg_tab[u->pfx_seg - UD_R_AL]); //段寄存器
wprintfcat(wtmp,wcount,L"[");
if (op->base)
wprintfcat(wtmp,wcount,L"%s", ud_reg_tab[op->base - UD_R_AL]);
if (op->index)
{
wprintfcat(wtmp,wcount,L"%s%s", op->base != UD_NONE? L"+" : L"",ud_reg_tab[op->index - UD_R_AL]);
if (op->scale)
wprintfcat(wtmp,wcount,L"*%d", op->scale);
}
if (op->offset != 0)
{
ud_syn_print_mem_disp(u, op, (op->base != UD_NONE || op->index != UD_NONE) ? 1 : 0,wtmp,wcount);
}
wprintfcat(wtmp,wcount,L"]");
ud_casmprint(u,UDCA_MOther,3,wtmp);
break;
case UD_OP_IMM:
ud_syn_print_imm(u, op,wtmp,wcount);
ud_casmprint(u,UDCA_IMM,3,wtmp);
break;
case UD_OP_JIMM:
ud_syn_print_addr(u, ud_syn_rel_target(u, op),wtmp,wcount);
ud_casmprint(u,UDCA_IMMAddr,3,wtmp);
break;
case UD_OP_PTR:
switch (op->size)
{
case 32:
wprintfcat(wtmp,wcount,L"word ptr 0x%X:0x%X", op->lval.ptr.seg,op->lval.ptr.off & 0xFFFF);
break;
case 48:
wprintfcat(wtmp,wcount,L"dword ptr 0x%X:0x%X", op->lval.ptr.seg,op->lval.ptr.off);
break;
}
ud_casmprint(u,UDCA_IMM,3,wtmp);
break;
case UD_OP_CONST:
if (syn_cast)
opr_cast(u, op,wtmp,wcount);
wprintfcat(wtmp,wcount,L"%d", op->lval.udword);
ud_casmprint(u,UDCA_IMM,3,wtmp);
break;
default:
return;
}
}