137     uint8_t byte1 = GetByteAtOffset(data, byte_offset++);  in GetUnwindPlan()  local
138     if ((byte1 & 0xc0) == 0x00) {  in GetUnwindPlan()
141       vsp += ((byte1 & 0x3f) << 2) + 4;  in GetUnwindPlan()
142     } else if ((byte1 & 0xc0) == 0x40) {  in GetUnwindPlan()
145       vsp -= ((byte1 & 0x3f) << 2) + 4;  in GetUnwindPlan()
146     } else if ((byte1 & 0xf0) == 0x80) {  in GetUnwindPlan()
151       if (byte1 == 0x80 && byte2 == 0) {  in GetUnwindPlan()
159         uint16_t regs = ((byte1 & 0x0f) << 8) | byte2;  in GetUnwindPlan()
167     } else if ((byte1 & 0xff) == 0x9d) {  in GetUnwindPlan()
171     } else if ((byte1 & 0xff) == 0x9f) {  in GetUnwindPlan()
175     } else if ((byte1 & 0xf0) == 0x90) {  in GetUnwindPlan()
178       vsp_reg = dwarf_r0 + (byte1 & 0x0f);  in GetUnwindPlan()
179     } else if ((byte1 & 0xf8) == 0xa0) {  in GetUnwindPlan()
182       uint8_t n = byte1 & 0x7;  in GetUnwindPlan()
187     } else if ((byte1 & 0xf8) == 0xa8) {  in GetUnwindPlan()
190       uint8_t n = byte1 & 0x7;  in GetUnwindPlan()
198     } else if ((byte1 & 0xff) == 0xb0) {  in GetUnwindPlan()
202     } else if ((byte1 & 0xff) == 0xb1) {  in GetUnwindPlan()
225     } else if ((byte1 & 0xff) == 0xb2) {  in GetUnwindPlan()
230     } else if ((byte1 & 0xff) == 0xb3) {  in GetUnwindPlan()
245     } else if ((byte1 & 0xfc) == 0xb4) {  in GetUnwindPlan()
249     } else if ((byte1 & 0xf8) == 0xb8) {  in GetUnwindPlan()
253       uint8_t n = byte1 & 0x07;  in GetUnwindPlan()
259     } else if ((byte1 & 0xf8) == 0xc0) {  in GetUnwindPlan()
276     } else if ((byte1 & 0xff) == 0xc8) {  in GetUnwindPlan()
290     } else if ((byte1 & 0xff) == 0xc9) {  in GetUnwindPlan()
304     } else if ((byte1 & 0xf8) == 0xc8) {  in GetUnwindPlan()
308     } else if ((byte1 & 0xf8) == 0xc0) {  in GetUnwindPlan()
312       uint8_t n = byte1 & 0x07;  in GetUnwindPlan()
317     } else if ((byte1 & 0xc0) == 0xc0) {  in GetUnwindPlan()