tools/llvm-readobj/ARMWinEHPrinter.cpp

23 // This layout is parsed by Decoder::dumpPackedEntry.  No unwind bytecode is
37 // describing how to unwind the function (c.f. Decoder::decodeOpcodes).
45 // This layout is parsed by Decoder::dumpUnpackedEntry.  Such an entry must
51 // up the bulk of the Decoder.
116 const size_t Decoder::PDataEntrySize = sizeof(RuntimeFunction);
119 const Decoder::RingEntry Decoder::Ring[] = {
120   { 0x80, 0x00, 1, &Decoder::opcode_0xxxxxxx },  // UOP_STACK_FREE (16-bit)
121   { 0xc0, 0x80, 2, &Decoder::opcode_10Lxxxxx },  // UOP_POP (32-bit)
122   { 0xf0, 0xc0, 1, &Decoder::opcode_1100xxxx },  // UOP_STACK_SAVE (16-bit)
123   { 0xf8, 0xd0, 1, &Decoder::opcode_11010Lxx },  // UOP_POP (16-bit)
124   { 0xf8, 0xd8, 1, &Decoder::opcode_11011Lxx },  // UOP_POP (32-bit)
125   { 0xf8, 0xe0, 1, &Decoder::opcode_11100xxx },  // UOP_VPOP (32-bit)
126   { 0xfc, 0xe8, 2, &Decoder::opcode_111010xx },  // UOP_STACK_FREE (32-bit)
127   { 0xfe, 0xec, 2, &Decoder::opcode_1110110L },  // UOP_POP (16-bit)
128   { 0xff, 0xee, 2, &Decoder::opcode_11101110 },  // UOP_MICROSOFT_SPECIFIC (16-bit)
133   { 0xff, 0xef, 2, &Decoder::opcode_11101111 },  // UOP_LDRPC_POSTINC (32-bit)
134   { 0xff, 0xf5, 2, &Decoder::opcode_11110101 },  // UOP_VPOP (32-bit)
135   { 0xff, 0xf6, 2, &Decoder::opcode_11110110 },  // UOP_VPOP (32-bit)
136   { 0xff, 0xf7, 3, &Decoder::opcode_11110111 },  // UOP_STACK_RESTORE (16-bit)
137   { 0xff, 0xf8, 4, &Decoder::opcode_11111000 },  // UOP_STACK_RESTORE (16-bit)
138   { 0xff, 0xf9, 3, &Decoder::opcode_11111001 },  // UOP_STACK_RESTORE (32-bit)
139   { 0xff, 0xfa, 4, &Decoder::opcode_11111010 },  // UOP_STACK_RESTORE (32-bit)
140   { 0xff, 0xfb, 1, &Decoder::opcode_11111011 },  // UOP_NOP (16-bit)
141   { 0xff, 0xfc, 1, &Decoder::opcode_11111100 },  // UOP_NOP (32-bit)
142   { 0xff, 0xfd, 1, &Decoder::opcode_11111101 },  // UOP_NOP (16-bit) / END
143   { 0xff, 0xfe, 1, &Decoder::opcode_11111110 },  // UOP_NOP (32-bit) / END
144   { 0xff, 0xff, 1, &Decoder::opcode_11111111 },  // UOP_END
150 const Decoder::RingEntry Decoder::Ring64[] = {
151   { 0xe0, 0x00, 1, &Decoder::opcode_alloc_s },
152   { 0xe0, 0x20, 1, &Decoder::opcode_save_r19r20_x },
153   { 0xc0, 0x40, 1, &Decoder::opcode_save_fplr },
154   { 0xc0, 0x80, 1, &Decoder::opcode_save_fplr_x },
155   { 0xf8, 0xc0, 2, &Decoder::opcode_alloc_m },
156   { 0xfc, 0xc8, 2, &Decoder::opcode_save_regp },
157   { 0xfc, 0xcc, 2, &Decoder::opcode_save_regp_x },
158   { 0xfc, 0xd0, 2, &Decoder::opcode_save_reg },
159   { 0xfe, 0xd4, 2, &Decoder::opcode_save_reg_x },
160   { 0xfe, 0xd6, 2, &Decoder::opcode_save_lrpair },
161   { 0xfe, 0xd8, 2, &Decoder::opcode_save_fregp },
162   { 0xfe, 0xda, 2, &Decoder::opcode_save_fregp_x },
163   { 0xfe, 0xdc, 2, &Decoder::opcode_save_freg },
164   { 0xff, 0xde, 2, &Decoder::opcode_save_freg_x },
165   { 0xff, 0xe0, 4, &Decoder::opcode_alloc_l },
166   { 0xff, 0xe1, 1, &Decoder::opcode_setfp },
167   { 0xff, 0xe2, 2, &Decoder::opcode_addfp },
168   { 0xff, 0xe3, 1, &Decoder::opcode_nop },
169   { 0xff, 0xe4, 1, &Decoder::opcode_end },
170   { 0xff, 0xe5, 1, &Decoder::opcode_end_c },
173 void Decoder::printRegisters(const std::pair<uint16_t, uint32_t> &RegisterMask) {
212 Decoder::getSectionContaining(const COFFObjectFile &COFF, uint64_t VA) {
223 ErrorOr<object::SymbolRef> Decoder::getSymbol(const COFFObjectFile &COFF,
241 ErrorOr<SymbolRef> Decoder::getRelocatedSymbol(const COFFObjectFile &,
252 bool Decoder::opcode_0xxxxxxx(const uint8_t *OC, unsigned &Offset,
263 bool Decoder::opcode_10Lxxxxx(const uint8_t *OC, unsigned &Offset,
282 bool Decoder::opcode_1100xxxx(const uint8_t *OC, unsigned &Offset,
294 bool Decoder::opcode_11010Lxx(const uint8_t *OC, unsigned &Offset,
311 bool Decoder::opcode_11011Lxx(const uint8_t *OC, unsigned &Offset,
328 bool Decoder::opcode_11100xxx(const uint8_t *OC, unsigned &Offset,
342 bool Decoder::opcode_111010xx(const uint8_t *OC, unsigned &Offset,
355 bool Decoder::opcode_1110110L(const uint8_t *OC, unsigned &Offset,
369 bool Decoder::opcode_11101110(const uint8_t *OC, unsigned &Offset,
385 bool Decoder::opcode_11101111(const uint8_t *OC, unsigned &Offset,
401 bool Decoder::opcode_11110101(const uint8_t *OC, unsigned &Offset,
416 bool Decoder::opcode_11110110(const uint8_t *OC, unsigned &Offset,
431 bool Decoder::opcode_11110111(const uint8_t *OC, unsigned &Offset,
444 bool Decoder::opcode_11111000(const uint8_t *OC, unsigned &Offset,
459 bool Decoder::opcode_11111001(const uint8_t *OC, unsigned &Offset,
472 bool Decoder::opcode_11111010(const uint8_t *OC, unsigned &Offset,
487 bool Decoder::opcode_11111011(const uint8_t *OC, unsigned &Offset,
494 bool Decoder::opcode_11111100(const uint8_t *OC, unsigned &Offset,
501 bool Decoder::opcode_11111101(const uint8_t *OC, unsigned &Offset,
508 bool Decoder::opcode_11111110(const uint8_t *OC, unsigned &Offset,
515 bool Decoder::opcode_11111111(const uint8_t *OC, unsigned &Offset,
522 bool Decoder::opcode_alloc_s(const uint8_t *OC, unsigned &Offset,
532 bool Decoder::opcode_save_r19r20_x(const uint8_t *OC, unsigned &Offset,
545 bool Decoder::opcode_save_fplr(const uint8_t *OC, unsigned &Offset,
555 bool Decoder::opcode_save_fplr_x(const uint8_t *OC, unsigned &Offset,
568 bool Decoder::opcode_alloc_m(const uint8_t *OC, unsigned &Offset,
581 bool Decoder::opcode_save_regp(const uint8_t *OC, unsigned &Offset,
596 bool Decoder::opcode_save_regp_x(const uint8_t *OC, unsigned &Offset,
617 bool Decoder::opcode_save_reg(const uint8_t *OC, unsigned &Offset,
632 bool Decoder::opcode_save_reg_x(const uint8_t *OC, unsigned &Offset,
649 bool Decoder::opcode_save_lrpair(const uint8_t *OC, unsigned &Offset,
665 bool Decoder::opcode_save_fregp(const uint8_t *OC, unsigned &Offset,
680 bool Decoder::opcode_save_fregp_x(const uint8_t *OC, unsigned &Offset,
699 bool Decoder::opcode_save_freg(const uint8_t *OC, unsigned &Offset,
714 bool Decoder::opcode_save_freg_x(const uint8_t *OC, unsigned &Offset,
730 bool Decoder::opcode_alloc_l(const uint8_t *OC, unsigned &Offset,
743 bool Decoder::opcode_setfp(const uint8_t *OC, unsigned &Offset, unsigned Length,
750 bool Decoder::opcode_addfp(const uint8_t *OC, unsigned &Offset, unsigned Length,
759 bool Decoder::opcode_nop(const uint8_t *OC, unsigned &Offset, unsigned Length,
766 bool Decoder::opcode_end(const uint8_t *OC, unsigned &Offset, unsigned Length,
773 bool Decoder::opcode_end_c(const uint8_t *OC, unsigned &Offset, unsigned Length,
780 void Decoder::decodeOpcodes(ArrayRef<uint8_t> Opcodes, unsigned Offset,
810 bool Decoder::dumpXDataRecord(const COFFObjectFile &COFF,
921 bool Decoder::dumpUnpackedEntry(const COFFObjectFile &COFF,
1013 bool Decoder::dumpPackedEntry(const object::COFFObjectFile &COFF,
1064 bool Decoder::dumpProcedureDataEntry(const COFFObjectFile &COFF,
1082 void Decoder::dumpProcedureData(const COFFObjectFile &COFF,
1098 Error Decoder::dumpProcedureData(const COFFObjectFile &COFF) {