1 //===-- DynamicRegisterInfo.cpp ----------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "DynamicRegisterInfo.h"
12 #include "lldb/Core/StreamFile.h"
13 #include "lldb/DataFormatters/FormatManager.h"
14 #include "lldb/Host/StringConvert.h"
15 #include "lldb/Interpreter/OptionArgParser.h"
16 #include "lldb/Utility/ArchSpec.h"
17 #include "lldb/Utility/RegularExpression.h"
18 #include "lldb/Utility/StringExtractor.h"
19 #include "lldb/Utility/StructuredData.h"
22 using namespace lldb_private;
24 DynamicRegisterInfo::DynamicRegisterInfo(
25 const lldb_private::StructuredData::Dictionary &dict,
26 const lldb_private::ArchSpec &arch) {
27 SetRegisterInfo(dict, arch);
30 DynamicRegisterInfo::DynamicRegisterInfo(DynamicRegisterInfo &&info) {
31 MoveFrom(std::move(info));
35 DynamicRegisterInfo::operator=(DynamicRegisterInfo &&info) {
36 MoveFrom(std::move(info));
40 void DynamicRegisterInfo::MoveFrom(DynamicRegisterInfo &&info) {
41 m_regs = std::move(info.m_regs);
42 m_sets = std::move(info.m_sets);
43 m_set_reg_nums = std::move(info.m_set_reg_nums);
44 m_set_names = std::move(info.m_set_names);
45 m_value_regs_map = std::move(info.m_value_regs_map);
46 m_invalidate_regs_map = std::move(info.m_invalidate_regs_map);
47 m_dynamic_reg_size_map = std::move(info.m_dynamic_reg_size_map);
49 m_reg_data_byte_size = info.m_reg_data_byte_size;
50 m_finalized = info.m_finalized;
53 const size_t num_sets = m_sets.size();
54 for (size_t set = 0; set < num_sets; ++set)
55 m_sets[set].registers = m_set_reg_nums[set].data();
62 DynamicRegisterInfo::SetRegisterInfo(const StructuredData::Dictionary &dict,
63 const ArchSpec &arch) {
65 StructuredData::Array *sets = nullptr;
66 if (dict.GetValueForKeyAsArray("sets", sets)) {
67 const uint32_t num_sets = sets->GetSize();
68 for (uint32_t i = 0; i < num_sets; ++i) {
70 if (sets->GetItemAtIndexAsString(i, set_name) && !set_name.IsEmpty()) {
71 m_sets.push_back({ set_name.AsCString(), NULL, 0, NULL });
74 printf("error: register sets must have valid names\n");
78 m_set_reg_nums.resize(m_sets.size());
81 StructuredData::Array *regs = nullptr;
82 if (!dict.GetValueForKeyAsArray("registers", regs))
85 const uint32_t num_regs = regs->GetSize();
86 // typedef std::map<std::string, std::vector<std::string> >
88 // InvalidateNameMap invalidate_map;
89 for (uint32_t i = 0; i < num_regs; ++i) {
90 StructuredData::Dictionary *reg_info_dict = nullptr;
91 if (!regs->GetItemAtIndexAsDictionary(i, reg_info_dict)) {
93 printf("error: items in the 'registers' array must be dictionaries\n");
98 // { 'name':'rcx' , 'bitsize' : 64, 'offset' : 16,
99 // 'encoding':'uint' , 'format':'hex' , 'set': 0, 'ehframe' : 2,
100 // 'dwarf' : 2, 'generic':'arg4', 'alt-name':'arg4', },
101 RegisterInfo reg_info;
102 std::vector<uint32_t> value_regs;
103 std::vector<uint32_t> invalidate_regs;
104 memset(®_info, 0, sizeof(reg_info));
106 ConstString name_val;
107 ConstString alt_name_val;
108 if (!reg_info_dict->GetValueForKeyAsString("name", name_val, nullptr)) {
110 printf("error: registers must have valid names and offsets\n");
111 reg_info_dict->DumpToStdout();
114 reg_info.name = name_val.GetCString();
115 reg_info_dict->GetValueForKeyAsString("alt-name", alt_name_val, nullptr);
116 reg_info.alt_name = alt_name_val.GetCString();
118 reg_info_dict->GetValueForKeyAsInteger("offset", reg_info.byte_offset,
121 const ByteOrder byte_order = arch.GetByteOrder();
123 if (reg_info.byte_offset == UINT32_MAX) {
124 // No offset for this register, see if the register has a value
125 // expression which indicates this register is part of another register.
126 // Value expressions are things like "rax[31:0]" which state that the
127 // current register's value is in a concrete register "rax" in bits 31:0.
128 // If there is a value expression we can calculate the offset
129 bool success = false;
130 llvm::StringRef slice_str;
131 if (reg_info_dict->GetValueForKeyAsString("slice", slice_str, nullptr)) {
132 // Slices use the following format:
133 // REGNAME[MSBIT:LSBIT]
134 // REGNAME - name of the register to grab a slice of
135 // MSBIT - the most significant bit at which the current register value
137 // LSBIT - the least significant bit at which the current register value
139 static RegularExpression g_bitfield_regex(
140 llvm::StringRef("([A-Za-z_][A-Za-z0-9_]*)\\[([0-9]+):([0-9]+)\\]"));
141 RegularExpression::Match regex_match(3);
142 if (g_bitfield_regex.Execute(slice_str, ®ex_match)) {
143 llvm::StringRef reg_name_str;
144 std::string msbit_str;
145 std::string lsbit_str;
146 if (regex_match.GetMatchAtIndex(slice_str, 1, reg_name_str) &&
147 regex_match.GetMatchAtIndex(slice_str, 2, msbit_str) &&
148 regex_match.GetMatchAtIndex(slice_str, 3, lsbit_str)) {
149 const uint32_t msbit =
150 StringConvert::ToUInt32(msbit_str.c_str(), UINT32_MAX);
151 const uint32_t lsbit =
152 StringConvert::ToUInt32(lsbit_str.c_str(), UINT32_MAX);
153 if (msbit != UINT32_MAX && lsbit != UINT32_MAX) {
155 const uint32_t msbyte = msbit / 8;
156 const uint32_t lsbyte = lsbit / 8;
158 ConstString containing_reg_name(reg_name_str);
160 const RegisterInfo *containing_reg_info =
161 GetRegisterInfo(containing_reg_name);
162 if (containing_reg_info) {
163 const uint32_t max_bit = containing_reg_info->byte_size * 8;
164 if (msbit < max_bit && lsbit < max_bit) {
165 m_invalidate_regs_map[containing_reg_info
166 ->kinds[eRegisterKindLLDB]]
168 m_value_regs_map[i].push_back(
169 containing_reg_info->kinds[eRegisterKindLLDB]);
170 m_invalidate_regs_map[i].push_back(
171 containing_reg_info->kinds[eRegisterKindLLDB]);
173 if (byte_order == eByteOrderLittle) {
175 reg_info.byte_offset =
176 containing_reg_info->byte_offset + lsbyte;
177 } else if (byte_order == eByteOrderBig) {
179 reg_info.byte_offset =
180 containing_reg_info->byte_offset + msbyte;
182 llvm_unreachable("Invalid byte order");
186 printf("error: msbit (%u) must be less than the bitsize "
187 "of the register (%u)\n",
190 printf("error: lsbit (%u) must be less than the bitsize "
191 "of the register (%u)\n",
195 printf("error: invalid concrete register \"%s\"\n",
196 containing_reg_name.GetCString());
199 printf("error: msbit (%u) must be greater than lsbit (%u)\n",
203 printf("error: msbit (%u) and lsbit (%u) must be valid\n", msbit,
207 // TODO: print error invalid slice string that doesn't follow the
209 printf("error: failed to extract regex matches for parsing the "
210 "register bitfield regex\n");
213 // TODO: print error invalid slice string that doesn't follow the
215 printf("error: failed to match against register bitfield regex\n");
218 StructuredData::Array *composite_reg_list = nullptr;
219 if (reg_info_dict->GetValueForKeyAsArray("composite",
220 composite_reg_list)) {
221 const size_t num_composite_regs = composite_reg_list->GetSize();
222 if (num_composite_regs > 0) {
223 uint32_t composite_offset = UINT32_MAX;
224 for (uint32_t composite_idx = 0; composite_idx < num_composite_regs;
226 ConstString composite_reg_name;
227 if (composite_reg_list->GetItemAtIndexAsString(
228 composite_idx, composite_reg_name, nullptr)) {
229 const RegisterInfo *composite_reg_info =
230 GetRegisterInfo(composite_reg_name);
231 if (composite_reg_info) {
232 composite_offset = std::min(composite_offset,
233 composite_reg_info->byte_offset);
234 m_value_regs_map[i].push_back(
235 composite_reg_info->kinds[eRegisterKindLLDB]);
236 m_invalidate_regs_map[composite_reg_info
237 ->kinds[eRegisterKindLLDB]]
239 m_invalidate_regs_map[i].push_back(
240 composite_reg_info->kinds[eRegisterKindLLDB]);
242 // TODO: print error invalid slice string that doesn't follow
244 printf("error: failed to find composite register by name: "
246 composite_reg_name.GetCString());
250 "error: 'composite' list value wasn't a python string\n");
253 if (composite_offset != UINT32_MAX) {
254 reg_info.byte_offset = composite_offset;
255 success = m_value_regs_map.find(i) != m_value_regs_map.end();
257 printf("error: 'composite' registers must specify at least one "
261 printf("error: 'composite' list was empty\n");
268 reg_info_dict->DumpToStdout();
274 if (!reg_info_dict->GetValueForKeyAsInteger("bitsize", bitsize)) {
276 printf("error: invalid or missing 'bitsize' key/value pair in register "
278 reg_info_dict->DumpToStdout();
282 reg_info.byte_size = bitsize / 8;
284 llvm::StringRef dwarf_opcode_string;
285 if (reg_info_dict->GetValueForKeyAsString("dynamic_size_dwarf_expr_bytes",
286 dwarf_opcode_string)) {
287 reg_info.dynamic_size_dwarf_len = dwarf_opcode_string.size() / 2;
288 assert(reg_info.dynamic_size_dwarf_len > 0);
290 std::vector<uint8_t> dwarf_opcode_bytes(reg_info.dynamic_size_dwarf_len);
292 StringExtractor opcode_extractor(dwarf_opcode_string);
293 uint32_t ret_val = opcode_extractor.GetHexBytesAvail(dwarf_opcode_bytes);
294 UNUSED_IF_ASSERT_DISABLED(ret_val);
295 assert(ret_val == reg_info.dynamic_size_dwarf_len);
297 for (j = 0; j < reg_info.dynamic_size_dwarf_len; ++j)
298 m_dynamic_reg_size_map[i].push_back(dwarf_opcode_bytes[j]);
300 reg_info.dynamic_size_dwarf_expr_bytes = m_dynamic_reg_size_map[i].data();
303 llvm::StringRef format_str;
304 if (reg_info_dict->GetValueForKeyAsString("format", format_str, nullptr)) {
305 if (OptionArgParser::ToFormat(format_str.str().c_str(), reg_info.format,
309 printf("error: invalid 'format' value in register dictionary\n");
310 reg_info_dict->DumpToStdout();
314 reg_info_dict->GetValueForKeyAsInteger("format", reg_info.format,
318 llvm::StringRef encoding_str;
319 if (reg_info_dict->GetValueForKeyAsString("encoding", encoding_str))
320 reg_info.encoding = Args::StringToEncoding(encoding_str, eEncodingUint);
322 reg_info_dict->GetValueForKeyAsInteger("encoding", reg_info.encoding,
326 if (!reg_info_dict->GetValueForKeyAsInteger<size_t>("set", set, -1) ||
327 set >= m_sets.size()) {
329 printf("error: invalid 'set' value in register dictionary, valid values "
332 reg_info_dict->DumpToStdout();
336 // Fill in the register numbers
337 reg_info.kinds[lldb::eRegisterKindLLDB] = i;
338 reg_info.kinds[lldb::eRegisterKindProcessPlugin] = i;
339 uint32_t eh_frame_regno = LLDB_INVALID_REGNUM;
340 reg_info_dict->GetValueForKeyAsInteger("gcc", eh_frame_regno,
341 LLDB_INVALID_REGNUM);
342 if (eh_frame_regno == LLDB_INVALID_REGNUM)
343 reg_info_dict->GetValueForKeyAsInteger("ehframe", eh_frame_regno,
344 LLDB_INVALID_REGNUM);
345 reg_info.kinds[lldb::eRegisterKindEHFrame] = eh_frame_regno;
346 reg_info_dict->GetValueForKeyAsInteger(
347 "dwarf", reg_info.kinds[lldb::eRegisterKindDWARF], LLDB_INVALID_REGNUM);
348 llvm::StringRef generic_str;
349 if (reg_info_dict->GetValueForKeyAsString("generic", generic_str))
350 reg_info.kinds[lldb::eRegisterKindGeneric] =
351 Args::StringToGenericRegister(generic_str);
353 reg_info_dict->GetValueForKeyAsInteger(
354 "generic", reg_info.kinds[lldb::eRegisterKindGeneric],
355 LLDB_INVALID_REGNUM);
357 // Check if this register invalidates any other register values when it is
359 StructuredData::Array *invalidate_reg_list = nullptr;
360 if (reg_info_dict->GetValueForKeyAsArray("invalidate-regs",
361 invalidate_reg_list)) {
362 const size_t num_regs = invalidate_reg_list->GetSize();
364 for (uint32_t idx = 0; idx < num_regs; ++idx) {
365 ConstString invalidate_reg_name;
366 uint64_t invalidate_reg_num;
367 if (invalidate_reg_list->GetItemAtIndexAsString(
368 idx, invalidate_reg_name)) {
369 const RegisterInfo *invalidate_reg_info =
370 GetRegisterInfo(invalidate_reg_name);
371 if (invalidate_reg_info) {
372 m_invalidate_regs_map[i].push_back(
373 invalidate_reg_info->kinds[eRegisterKindLLDB]);
375 // TODO: print error invalid slice string that doesn't follow the
377 printf("error: failed to find a 'invalidate-regs' register for "
378 "\"%s\" while parsing register \"%s\"\n",
379 invalidate_reg_name.GetCString(), reg_info.name);
381 } else if (invalidate_reg_list->GetItemAtIndexAsInteger(
382 idx, invalidate_reg_num)) {
383 if (invalidate_reg_num != UINT64_MAX)
384 m_invalidate_regs_map[i].push_back(invalidate_reg_num);
386 printf("error: 'invalidate-regs' list value wasn't a valid "
389 printf("error: 'invalidate-regs' list value wasn't a python string "
394 printf("error: 'invalidate-regs' contained an empty list\n");
398 // Calculate the register offset
399 const size_t end_reg_offset = reg_info.byte_offset + reg_info.byte_size;
400 if (m_reg_data_byte_size < end_reg_offset)
401 m_reg_data_byte_size = end_reg_offset;
403 m_regs.push_back(reg_info);
404 m_set_reg_nums[set].push_back(i);
407 return m_regs.size();
410 void DynamicRegisterInfo::AddRegister(RegisterInfo ®_info,
411 ConstString ®_name,
412 ConstString ®_alt_name,
413 ConstString &set_name) {
414 assert(!m_finalized);
415 const uint32_t reg_num = m_regs.size();
416 reg_info.name = reg_name.AsCString();
417 assert(reg_info.name);
418 reg_info.alt_name = reg_alt_name.AsCString(NULL);
420 if (reg_info.value_regs) {
421 for (i = 0; reg_info.value_regs[i] != LLDB_INVALID_REGNUM; ++i)
422 m_value_regs_map[reg_num].push_back(reg_info.value_regs[i]);
424 if (reg_info.invalidate_regs) {
425 for (i = 0; reg_info.invalidate_regs[i] != LLDB_INVALID_REGNUM; ++i)
426 m_invalidate_regs_map[reg_num].push_back(reg_info.invalidate_regs[i]);
428 if (reg_info.dynamic_size_dwarf_expr_bytes) {
429 for (i = 0; i < reg_info.dynamic_size_dwarf_len; ++i)
430 m_dynamic_reg_size_map[reg_num].push_back(
431 reg_info.dynamic_size_dwarf_expr_bytes[i]);
433 reg_info.dynamic_size_dwarf_expr_bytes =
434 m_dynamic_reg_size_map[reg_num].data();
437 m_regs.push_back(reg_info);
438 uint32_t set = GetRegisterSetIndexByName(set_name, true);
439 assert(set < m_sets.size());
440 assert(set < m_set_reg_nums.size());
441 assert(set < m_set_names.size());
442 m_set_reg_nums[set].push_back(reg_num);
443 size_t end_reg_offset = reg_info.byte_offset + reg_info.byte_size;
444 if (m_reg_data_byte_size < end_reg_offset)
445 m_reg_data_byte_size = end_reg_offset;
448 void DynamicRegisterInfo::Finalize(const ArchSpec &arch) {
453 const size_t num_sets = m_sets.size();
454 for (size_t set = 0; set < num_sets; ++set) {
455 assert(m_sets.size() == m_set_reg_nums.size());
456 m_sets[set].num_registers = m_set_reg_nums[set].size();
457 m_sets[set].registers = m_set_reg_nums[set].data();
460 // sort and unique all value registers and make sure each is terminated with
461 // LLDB_INVALID_REGNUM
463 for (reg_to_regs_map::iterator pos = m_value_regs_map.begin(),
464 end = m_value_regs_map.end();
466 if (pos->second.size() > 1) {
467 std::sort(pos->second.begin(), pos->second.end());
468 reg_num_collection::iterator unique_end =
469 std::unique(pos->second.begin(), pos->second.end());
470 if (unique_end != pos->second.end())
471 pos->second.erase(unique_end, pos->second.end());
473 assert(!pos->second.empty());
474 if (pos->second.back() != LLDB_INVALID_REGNUM)
475 pos->second.push_back(LLDB_INVALID_REGNUM);
478 // Now update all value_regs with each register info as needed
479 const size_t num_regs = m_regs.size();
480 for (size_t i = 0; i < num_regs; ++i) {
481 if (m_value_regs_map.find(i) != m_value_regs_map.end())
482 m_regs[i].value_regs = m_value_regs_map[i].data();
484 m_regs[i].value_regs = NULL;
487 // Expand all invalidation dependencies
488 for (reg_to_regs_map::iterator pos = m_invalidate_regs_map.begin(),
489 end = m_invalidate_regs_map.end();
491 const uint32_t reg_num = pos->first;
493 if (m_regs[reg_num].value_regs) {
494 reg_num_collection extra_invalid_regs;
495 for (const uint32_t invalidate_reg_num : pos->second) {
496 reg_to_regs_map::iterator invalidate_pos =
497 m_invalidate_regs_map.find(invalidate_reg_num);
498 if (invalidate_pos != m_invalidate_regs_map.end()) {
499 for (const uint32_t concrete_invalidate_reg_num :
500 invalidate_pos->second) {
501 if (concrete_invalidate_reg_num != reg_num)
502 extra_invalid_regs.push_back(concrete_invalidate_reg_num);
506 pos->second.insert(pos->second.end(), extra_invalid_regs.begin(),
507 extra_invalid_regs.end());
511 // sort and unique all invalidate registers and make sure each is terminated
512 // with LLDB_INVALID_REGNUM
513 for (reg_to_regs_map::iterator pos = m_invalidate_regs_map.begin(),
514 end = m_invalidate_regs_map.end();
516 if (pos->second.size() > 1) {
517 std::sort(pos->second.begin(), pos->second.end());
518 reg_num_collection::iterator unique_end =
519 std::unique(pos->second.begin(), pos->second.end());
520 if (unique_end != pos->second.end())
521 pos->second.erase(unique_end, pos->second.end());
523 assert(!pos->second.empty());
524 if (pos->second.back() != LLDB_INVALID_REGNUM)
525 pos->second.push_back(LLDB_INVALID_REGNUM);
528 // Now update all invalidate_regs with each register info as needed
529 for (size_t i = 0; i < num_regs; ++i) {
530 if (m_invalidate_regs_map.find(i) != m_invalidate_regs_map.end())
531 m_regs[i].invalidate_regs = m_invalidate_regs_map[i].data();
533 m_regs[i].invalidate_regs = NULL;
536 // Check if we need to automatically set the generic registers in case they
538 bool generic_regs_specified = false;
539 for (const auto ® : m_regs) {
540 if (reg.kinds[eRegisterKindGeneric] != LLDB_INVALID_REGNUM) {
541 generic_regs_specified = true;
546 if (!generic_regs_specified) {
547 switch (arch.GetMachine()) {
548 case llvm::Triple::aarch64:
549 case llvm::Triple::aarch64_be:
550 for (auto ® : m_regs) {
551 if (strcmp(reg.name, "pc") == 0)
552 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
553 else if ((strcmp(reg.name, "fp") == 0) ||
554 (strcmp(reg.name, "x29") == 0))
555 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
556 else if ((strcmp(reg.name, "lr") == 0) ||
557 (strcmp(reg.name, "x30") == 0))
558 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_RA;
559 else if ((strcmp(reg.name, "sp") == 0) ||
560 (strcmp(reg.name, "x31") == 0))
561 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
562 else if (strcmp(reg.name, "cpsr") == 0)
563 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
567 case llvm::Triple::arm:
568 case llvm::Triple::armeb:
569 case llvm::Triple::thumb:
570 case llvm::Triple::thumbeb:
571 for (auto ® : m_regs) {
572 if ((strcmp(reg.name, "pc") == 0) || (strcmp(reg.name, "r15") == 0))
573 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
574 else if ((strcmp(reg.name, "sp") == 0) ||
575 (strcmp(reg.name, "r13") == 0))
576 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
577 else if ((strcmp(reg.name, "lr") == 0) ||
578 (strcmp(reg.name, "r14") == 0))
579 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_RA;
580 else if ((strcmp(reg.name, "r7") == 0) &&
581 arch.GetTriple().getVendor() == llvm::Triple::Apple)
582 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
583 else if ((strcmp(reg.name, "r11") == 0) &&
584 arch.GetTriple().getVendor() != llvm::Triple::Apple)
585 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
586 else if (strcmp(reg.name, "fp") == 0)
587 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
588 else if (strcmp(reg.name, "cpsr") == 0)
589 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
593 case llvm::Triple::x86:
594 for (auto ® : m_regs) {
595 if ((strcmp(reg.name, "eip") == 0) || (strcmp(reg.name, "pc") == 0))
596 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
597 else if ((strcmp(reg.name, "esp") == 0) ||
598 (strcmp(reg.name, "sp") == 0))
599 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
600 else if ((strcmp(reg.name, "ebp") == 0) ||
601 (strcmp(reg.name, "fp") == 0))
602 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
603 else if ((strcmp(reg.name, "eflags") == 0) ||
604 (strcmp(reg.name, "flags") == 0))
605 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
609 case llvm::Triple::x86_64:
610 for (auto ® : m_regs) {
611 if ((strcmp(reg.name, "rip") == 0) || (strcmp(reg.name, "pc") == 0))
612 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
613 else if ((strcmp(reg.name, "rsp") == 0) ||
614 (strcmp(reg.name, "sp") == 0))
615 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
616 else if ((strcmp(reg.name, "rbp") == 0) ||
617 (strcmp(reg.name, "fp") == 0))
618 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
619 else if ((strcmp(reg.name, "rflags") == 0) ||
620 (strcmp(reg.name, "flags") == 0))
621 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
631 size_t DynamicRegisterInfo::GetNumRegisters() const { return m_regs.size(); }
633 size_t DynamicRegisterInfo::GetNumRegisterSets() const { return m_sets.size(); }
635 size_t DynamicRegisterInfo::GetRegisterDataByteSize() const {
636 return m_reg_data_byte_size;
640 DynamicRegisterInfo::GetRegisterInfoAtIndex(uint32_t i) const {
641 if (i < m_regs.size())
646 RegisterInfo *DynamicRegisterInfo::GetRegisterInfoAtIndex(uint32_t i) {
647 if (i < m_regs.size())
652 const RegisterSet *DynamicRegisterInfo::GetRegisterSet(uint32_t i) const {
653 if (i < m_sets.size())
658 uint32_t DynamicRegisterInfo::GetRegisterSetIndexByName(ConstString &set_name,
660 name_collection::iterator pos, end = m_set_names.end();
661 for (pos = m_set_names.begin(); pos != end; ++pos) {
662 if (*pos == set_name)
663 return std::distance(m_set_names.begin(), pos);
666 m_set_names.push_back(set_name);
667 m_set_reg_nums.resize(m_set_reg_nums.size() + 1);
668 RegisterSet new_set = {set_name.AsCString(), NULL, 0, NULL};
669 m_sets.push_back(new_set);
670 return m_sets.size() - 1;
674 DynamicRegisterInfo::ConvertRegisterKindToRegisterNumber(uint32_t kind,
675 uint32_t num) const {
676 reg_collection::const_iterator pos, end = m_regs.end();
677 for (pos = m_regs.begin(); pos != end; ++pos) {
678 if (pos->kinds[kind] == num)
679 return std::distance(m_regs.begin(), pos);
682 return LLDB_INVALID_REGNUM;
685 void DynamicRegisterInfo::Clear() {
688 m_set_reg_nums.clear();
690 m_value_regs_map.clear();
691 m_invalidate_regs_map.clear();
692 m_dynamic_reg_size_map.clear();
693 m_reg_data_byte_size = 0;
697 void DynamicRegisterInfo::Dump() const {
698 StreamFile s(stdout, false);
699 const size_t num_regs = m_regs.size();
700 s.Printf("%p: DynamicRegisterInfo contains %" PRIu64 " registers:\n",
701 static_cast<const void *>(this), static_cast<uint64_t>(num_regs));
702 for (size_t i = 0; i < num_regs; ++i) {
703 s.Printf("[%3" PRIu64 "] name = %-10s", (uint64_t)i, m_regs[i].name);
704 s.Printf(", size = %2u, offset = %4u, encoding = %u, format = %-10s",
705 m_regs[i].byte_size, m_regs[i].byte_offset, m_regs[i].encoding,
706 FormatManager::GetFormatAsCString(m_regs[i].format));
707 if (m_regs[i].kinds[eRegisterKindProcessPlugin] != LLDB_INVALID_REGNUM)
708 s.Printf(", process plugin = %3u",
709 m_regs[i].kinds[eRegisterKindProcessPlugin]);
710 if (m_regs[i].kinds[eRegisterKindDWARF] != LLDB_INVALID_REGNUM)
711 s.Printf(", dwarf = %3u", m_regs[i].kinds[eRegisterKindDWARF]);
712 if (m_regs[i].kinds[eRegisterKindEHFrame] != LLDB_INVALID_REGNUM)
713 s.Printf(", ehframe = %3u", m_regs[i].kinds[eRegisterKindEHFrame]);
714 if (m_regs[i].kinds[eRegisterKindGeneric] != LLDB_INVALID_REGNUM)
715 s.Printf(", generic = %3u", m_regs[i].kinds[eRegisterKindGeneric]);
716 if (m_regs[i].alt_name)
717 s.Printf(", alt-name = %s", m_regs[i].alt_name);
718 if (m_regs[i].value_regs) {
719 s.Printf(", value_regs = [ ");
720 for (size_t j = 0; m_regs[i].value_regs[j] != LLDB_INVALID_REGNUM; ++j) {
721 s.Printf("%s ", m_regs[m_regs[i].value_regs[j]].name);
725 if (m_regs[i].invalidate_regs) {
726 s.Printf(", invalidate_regs = [ ");
727 for (size_t j = 0; m_regs[i].invalidate_regs[j] != LLDB_INVALID_REGNUM;
729 s.Printf("%s ", m_regs[m_regs[i].invalidate_regs[j]].name);
736 const size_t num_sets = m_sets.size();
737 s.Printf("%p: DynamicRegisterInfo contains %" PRIu64 " register sets:\n",
738 static_cast<const void *>(this), static_cast<uint64_t>(num_sets));
739 for (size_t i = 0; i < num_sets; ++i) {
740 s.Printf("set[%" PRIu64 "] name = %s, regs = [", (uint64_t)i,
742 for (size_t idx = 0; idx < m_sets[i].num_registers; ++idx) {
743 s.Printf("%s ", m_regs[m_sets[i].registers[idx]].name);
749 const lldb_private::RegisterInfo *DynamicRegisterInfo::GetRegisterInfo(
750 const lldb_private::ConstString ®_name) const {
751 for (auto ®_info : m_regs) {
752 // We can use pointer comparison since we used a ConstString to set the
753 // "name" member in AddRegister()
754 if (reg_info.name == reg_name.GetCString()) {