136     uint8_t byte1 = GetByteAtOffset(data, byte_offset++);  in GetUnwindPlan()  local
137     if ((byte1 & 0xc0) == 0x00) {  in GetUnwindPlan()
140       vsp += ((byte1 & 0x3f) << 2) + 4;  in GetUnwindPlan()
141     } else if ((byte1 & 0xc0) == 0x40) {  in GetUnwindPlan()
144       vsp -= ((byte1 & 0x3f) << 2) + 4;  in GetUnwindPlan()
145     } else if ((byte1 & 0xf0) == 0x80) {  in GetUnwindPlan()
150       if (byte1 == 0x80 && byte2 == 0) {  in GetUnwindPlan()
158         uint16_t regs = ((byte1 & 0x0f) << 8) | byte2;  in GetUnwindPlan()
166     } else if ((byte1 & 0xff) == 0x9d) {  in GetUnwindPlan()
170     } else if ((byte1 & 0xff) == 0x9f) {  in GetUnwindPlan()
174     } else if ((byte1 & 0xf0) == 0x90) {  in GetUnwindPlan()
177       vsp_reg = dwarf_r0 + (byte1 & 0x0f);  in GetUnwindPlan()
178     } else if ((byte1 & 0xf8) == 0xa0) {  in GetUnwindPlan()
181       uint8_t n = byte1 & 0x7;  in GetUnwindPlan()
186     } else if ((byte1 & 0xf8) == 0xa8) {  in GetUnwindPlan()
189       uint8_t n = byte1 & 0x7;  in GetUnwindPlan()
197     } else if ((byte1 & 0xff) == 0xb0) {  in GetUnwindPlan()
201     } else if ((byte1 & 0xff) == 0xb1) {  in GetUnwindPlan()
224     } else if ((byte1 & 0xff) == 0xb2) {  in GetUnwindPlan()
229     } else if ((byte1 & 0xff) == 0xb3) {  in GetUnwindPlan()
244     } else if ((byte1 & 0xfc) == 0xb4) {  in GetUnwindPlan()
248     } else if ((byte1 & 0xf8) == 0xb8) {  in GetUnwindPlan()
252       uint8_t n = byte1 & 0x07;  in GetUnwindPlan()
258     } else if ((byte1 & 0xf8) == 0xc0) {  in GetUnwindPlan()
275     } else if ((byte1 & 0xff) == 0xc8) {  in GetUnwindPlan()
289     } else if ((byte1 & 0xff) == 0xc9) {  in GetUnwindPlan()
303     } else if ((byte1 & 0xf8) == 0xc8) {  in GetUnwindPlan()
307     } else if ((byte1 & 0xf8) == 0xd0) {  in GetUnwindPlan()
311       uint8_t n = byte1 & 0x07;  in GetUnwindPlan()
316     } else if ((byte1 & 0xc0) == 0xc0) {  in GetUnwindPlan()