arch/x86/emulenv.cc

48 void EmulEnv::doModRM(const ExtMachInst & machInst)
50     assert(machInst.modRM.mod != 3);
52     if (machInst.modRM.rm == 4 && machInst.addrSize != 2) {
53         scale = 1 << machInst.sib.scale;
54         index = machInst.sib.index | (machInst.rex.x << 3);
55         base = machInst.sib.base | (machInst.rex.b << 3);
58         if (machInst.sib.base == INTREG_RBP && machInst.modRM.mod == 0)
64         if (machInst.addrSize == 2) {
65             unsigned rm = machInst.modRM.rm;
93             base = machInst.modRM.rm | (machInst.rex.b << 3);
94             if (machInst.modRM.mod == 0 && machInst.modRM.rm == 5) {
104     if ((base != INTREG_RBP && base != INTREG_RSP) || machInst.dispSize) {
107         int segFromInst = machInst.legacy.seg;
115 void EmulEnv::setSeg(const ExtMachInst & machInst)
119     int segFromInst = machInst.legacy.seg;