Lines Matching full:opcodes

214 // Rebases are communicated to dyld using a bytecode, whose opcodes cause the
425 // Encode a sequence of opcodes that tell dyld to write the address of symbol +
433                           std::vector<BindIR> &opcodes) {
437     opcodes.push_back(
444     opcodes.push_back({BIND_OPCODE_ADD_ADDR_ULEB, offset - lastBinding.offset});
449     opcodes.push_back(
454   opcodes.push_back({BIND_OPCODE_DO_BIND, 0});
459 static void optimizeOpcodes(std::vector<BindIR> &opcodes) {
463   for (i = 1; i < opcodes.size(); ++i, ++pWrite) {
464     if ((opcodes[i].opcode == BIND_OPCODE_ADD_ADDR_ULEB) &&
465         (opcodes[i - 1].opcode == BIND_OPCODE_DO_BIND)) {
466       opcodes[pWrite].opcode = BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB;
467       opcodes[pWrite].data = opcodes[i].data;
470       opcodes[pWrite] = opcodes[i - 1];
473   if (i == opcodes.size())
474     opcodes[pWrite] = opcodes[i - 1];
475   opcodes.resize(pWrite + 1);
477   // Pass 2: Compress two or more bind_add opcodes
479   for (i = 1; i < opcodes.size(); ++i, ++pWrite) {
480     if ((opcodes[i].opcode == BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB) &&
481         (opcodes[i - 1].opcode == BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB) &&
482         (opcodes[i].data == opcodes[i - 1].data)) {
483       opcodes[pWrite].opcode = BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB;
484       opcodes[pWrite].consecutiveCount = 2;
485       opcodes[pWrite].data = opcodes[i].data;
487       while (i < opcodes.size() &&
488              (opcodes[i].opcode == BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB) &&
489              (opcodes[i].data == opcodes[i - 1].data)) {
490         opcodes[pWrite].consecutiveCount++;
494       opcodes[pWrite] = opcodes[i - 1];
497   if (i == opcodes.size())
498     opcodes[pWrite] = opcodes[i - 1];
499   opcodes.resize(pWrite + 1);
506   for (auto &p : opcodes) {
592 // Organize the bindings so we can encoded them with fewer opcodes.
623 // Emit bind opcodes, which are a stream of byte-sized opcodes that dyld
635 // subsequent opcodes only need to encode the differences between bindings.
654     std::vector<BindIR> opcodes;
658                     lastBinding, opcodes);
660       optimizeOpcodes(opcodes);
661     for (const auto &op : opcodes)
688     std::vector<BindIR> opcodes;
692                     lastBinding, opcodes);
694       optimizeOpcodes(opcodes);
695     for (const auto &op : opcodes)
1018 // Unlike the non-lazy binding section, the bind opcodes in this section aren't
1019 // interpreted all at once. Rather, dyld will start interpreting opcodes at a