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"
14 // Other libraries and framework includes
16 #include "lldb/Core/ArchSpec.h"
17 #include "lldb/Core/StreamFile.h"
18 #include "lldb/Core/StructuredData.h"
19 #include "lldb/DataFormatters/FormatManager.h"
20 #include "lldb/Host/StringConvert.h"
21 #include "lldb/Utility/RegularExpression.h"
22 #include "lldb/Utility/StringExtractor.h"
25 using namespace lldb_private;
27 DynamicRegisterInfo::DynamicRegisterInfo()
28 : m_regs(), m_sets(), m_set_reg_nums(), m_set_names(), m_value_regs_map(),
29 m_invalidate_regs_map(), m_dynamic_reg_size_map(),
30 m_reg_data_byte_size(0), m_finalized(false) {}
32 DynamicRegisterInfo::DynamicRegisterInfo(
33 const lldb_private::StructuredData::Dictionary &dict,
34 const lldb_private::ArchSpec &arch)
35 : m_regs(), m_sets(), m_set_reg_nums(), m_set_names(), m_value_regs_map(),
36 m_invalidate_regs_map(), m_dynamic_reg_size_map(),
37 m_reg_data_byte_size(0), m_finalized(false) {
38 SetRegisterInfo(dict, arch);
41 DynamicRegisterInfo::~DynamicRegisterInfo() {}
44 DynamicRegisterInfo::SetRegisterInfo(const StructuredData::Dictionary &dict,
45 const ArchSpec &arch) {
47 StructuredData::Array *sets = nullptr;
48 if (dict.GetValueForKeyAsArray("sets", sets)) {
49 const uint32_t num_sets = sets->GetSize();
50 for (uint32_t i = 0; i < num_sets; ++i) {
51 std::string set_name_str;
53 if (sets->GetItemAtIndexAsString(i, set_name_str))
54 set_name.SetCString(set_name_str.c_str());
56 RegisterSet new_set = {set_name.AsCString(), NULL, 0, NULL};
57 m_sets.push_back(new_set);
60 printf("error: register sets must have valid names\n");
64 m_set_reg_nums.resize(m_sets.size());
66 StructuredData::Array *regs = nullptr;
67 if (!dict.GetValueForKeyAsArray("registers", regs))
70 const uint32_t num_regs = regs->GetSize();
71 // typedef std::map<std::string, std::vector<std::string> >
73 // InvalidateNameMap invalidate_map;
74 for (uint32_t i = 0; i < num_regs; ++i) {
75 StructuredData::Dictionary *reg_info_dict = nullptr;
76 if (!regs->GetItemAtIndexAsDictionary(i, reg_info_dict)) {
78 printf("error: items in the 'registers' array must be dictionaries\n");
83 // { 'name':'rcx' , 'bitsize' : 64, 'offset' : 16, 'encoding':'uint'
84 // , 'format':'hex' , 'set': 0, 'ehframe' : 2,
85 // 'dwarf' : 2, 'generic':'arg4', 'alt-name':'arg4', },
86 RegisterInfo reg_info;
87 std::vector<uint32_t> value_regs;
88 std::vector<uint32_t> invalidate_regs;
89 memset(®_info, 0, sizeof(reg_info));
92 ConstString alt_name_val;
93 if (!reg_info_dict->GetValueForKeyAsString("name", name_val, nullptr)) {
95 printf("error: registers must have valid names and offsets\n");
96 reg_info_dict->DumpToStdout();
99 reg_info.name = name_val.GetCString();
100 reg_info_dict->GetValueForKeyAsString("alt-name", alt_name_val, nullptr);
101 reg_info.alt_name = alt_name_val.GetCString();
103 reg_info_dict->GetValueForKeyAsInteger("offset", reg_info.byte_offset,
106 const ByteOrder byte_order = arch.GetByteOrder();
108 if (reg_info.byte_offset == UINT32_MAX) {
109 // No offset for this register, see if the register has a value expression
110 // which indicates this register is part of another register. Value
112 // are things like "rax[31:0]" which state that the current register's
114 // is in a concrete register "rax" in bits 31:0. If there is a value
116 // we can calculate the offset
117 bool success = false;
118 std::string slice_str;
119 if (reg_info_dict->GetValueForKeyAsString("slice", slice_str, nullptr)) {
120 // Slices use the following format:
121 // REGNAME[MSBIT:LSBIT]
122 // REGNAME - name of the register to grab a slice of
123 // MSBIT - the most significant bit at which the current register value
125 // LSBIT - the least significant bit at which the current register value
127 static RegularExpression g_bitfield_regex(
128 llvm::StringRef("([A-Za-z_][A-Za-z0-9_]*)\\[([0-9]+):([0-9]+)\\]"));
129 RegularExpression::Match regex_match(3);
130 if (g_bitfield_regex.Execute(slice_str, ®ex_match)) {
131 llvm::StringRef reg_name_str;
132 std::string msbit_str;
133 std::string lsbit_str;
134 if (regex_match.GetMatchAtIndex(slice_str.c_str(), 1, reg_name_str) &&
135 regex_match.GetMatchAtIndex(slice_str.c_str(), 2, msbit_str) &&
136 regex_match.GetMatchAtIndex(slice_str.c_str(), 3, lsbit_str)) {
137 const uint32_t msbit =
138 StringConvert::ToUInt32(msbit_str.c_str(), UINT32_MAX);
139 const uint32_t lsbit =
140 StringConvert::ToUInt32(lsbit_str.c_str(), UINT32_MAX);
141 if (msbit != UINT32_MAX && lsbit != UINT32_MAX) {
143 const uint32_t msbyte = msbit / 8;
144 const uint32_t lsbyte = lsbit / 8;
146 ConstString containing_reg_name(reg_name_str);
148 RegisterInfo *containing_reg_info =
149 GetRegisterInfo(containing_reg_name);
150 if (containing_reg_info) {
151 const uint32_t max_bit = containing_reg_info->byte_size * 8;
152 if (msbit < max_bit && lsbit < max_bit) {
153 m_invalidate_regs_map[containing_reg_info
154 ->kinds[eRegisterKindLLDB]]
156 m_value_regs_map[i].push_back(
157 containing_reg_info->kinds[eRegisterKindLLDB]);
158 m_invalidate_regs_map[i].push_back(
159 containing_reg_info->kinds[eRegisterKindLLDB]);
161 if (byte_order == eByteOrderLittle) {
163 reg_info.byte_offset =
164 containing_reg_info->byte_offset + lsbyte;
165 } else if (byte_order == eByteOrderBig) {
167 reg_info.byte_offset =
168 containing_reg_info->byte_offset + msbyte;
170 llvm_unreachable("Invalid byte order");
174 printf("error: msbit (%u) must be less than the bitsize "
175 "of the register (%u)\n",
178 printf("error: lsbit (%u) must be less than the bitsize "
179 "of the register (%u)\n",
183 printf("error: invalid concrete register \"%s\"\n",
184 containing_reg_name.GetCString());
187 printf("error: msbit (%u) must be greater than lsbit (%u)\n",
191 printf("error: msbit (%u) and lsbit (%u) must be valid\n", msbit,
195 // TODO: print error invalid slice string that doesn't follow the
197 printf("error: failed to extract regex matches for parsing the "
198 "register bitfield regex\n");
201 // TODO: print error invalid slice string that doesn't follow the
203 printf("error: failed to match against register bitfield regex\n");
206 StructuredData::Array *composite_reg_list = nullptr;
207 if (reg_info_dict->GetValueForKeyAsArray("composite",
208 composite_reg_list)) {
209 const size_t num_composite_regs = composite_reg_list->GetSize();
210 if (num_composite_regs > 0) {
211 uint32_t composite_offset = UINT32_MAX;
212 for (uint32_t composite_idx = 0; composite_idx < num_composite_regs;
214 ConstString composite_reg_name;
215 if (composite_reg_list->GetItemAtIndexAsString(
216 composite_idx, composite_reg_name, nullptr)) {
217 RegisterInfo *composite_reg_info =
218 GetRegisterInfo(composite_reg_name);
219 if (composite_reg_info) {
220 composite_offset = std::min(composite_offset,
221 composite_reg_info->byte_offset);
222 m_value_regs_map[i].push_back(
223 composite_reg_info->kinds[eRegisterKindLLDB]);
224 m_invalidate_regs_map[composite_reg_info
225 ->kinds[eRegisterKindLLDB]]
227 m_invalidate_regs_map[i].push_back(
228 composite_reg_info->kinds[eRegisterKindLLDB]);
230 // TODO: print error invalid slice string that doesn't follow
232 printf("error: failed to find composite register by name: "
234 composite_reg_name.GetCString());
238 "error: 'composite' list value wasn't a python string\n");
241 if (composite_offset != UINT32_MAX) {
242 reg_info.byte_offset = composite_offset;
243 success = m_value_regs_map.find(i) != m_value_regs_map.end();
245 printf("error: 'composite' registers must specify at least one "
249 printf("error: 'composite' list was empty\n");
256 reg_info_dict->DumpToStdout();
262 if (!reg_info_dict->GetValueForKeyAsInteger("bitsize", bitsize)) {
264 printf("error: invalid or missing 'bitsize' key/value pair in register "
266 reg_info_dict->DumpToStdout();
270 reg_info.byte_size = bitsize / 8;
272 std::string dwarf_opcode_string;
273 if (reg_info_dict->GetValueForKeyAsString("dynamic_size_dwarf_expr_bytes",
274 dwarf_opcode_string)) {
275 reg_info.dynamic_size_dwarf_len = dwarf_opcode_string.length() / 2;
276 assert(reg_info.dynamic_size_dwarf_len > 0);
278 std::vector<uint8_t> dwarf_opcode_bytes(reg_info.dynamic_size_dwarf_len);
280 StringExtractor opcode_extractor;
281 // Swap "dwarf_opcode_string" over into "opcode_extractor"
282 opcode_extractor.GetStringRef().swap(dwarf_opcode_string);
283 uint32_t ret_val = opcode_extractor.GetHexBytesAvail(dwarf_opcode_bytes);
284 UNUSED_IF_ASSERT_DISABLED(ret_val);
285 assert(ret_val == reg_info.dynamic_size_dwarf_len);
287 for (j = 0; j < reg_info.dynamic_size_dwarf_len; ++j)
288 m_dynamic_reg_size_map[i].push_back(dwarf_opcode_bytes[j]);
290 reg_info.dynamic_size_dwarf_expr_bytes = m_dynamic_reg_size_map[i].data();
293 std::string format_str;
294 if (reg_info_dict->GetValueForKeyAsString("format", format_str, nullptr)) {
295 if (Args::StringToFormat(format_str.c_str(), reg_info.format, NULL)
298 printf("error: invalid 'format' value in register dictionary\n");
299 reg_info_dict->DumpToStdout();
303 reg_info_dict->GetValueForKeyAsInteger("format", reg_info.format,
307 std::string encoding_str;
308 if (reg_info_dict->GetValueForKeyAsString("encoding", encoding_str))
309 reg_info.encoding = Args::StringToEncoding(encoding_str, eEncodingUint);
311 reg_info_dict->GetValueForKeyAsInteger("encoding", reg_info.encoding,
315 if (!reg_info_dict->GetValueForKeyAsInteger<size_t>("set", set, -1) ||
316 set >= m_sets.size()) {
318 printf("error: invalid 'set' value in register dictionary, valid values "
321 reg_info_dict->DumpToStdout();
325 // Fill in the register numbers
326 reg_info.kinds[lldb::eRegisterKindLLDB] = i;
327 reg_info.kinds[lldb::eRegisterKindProcessPlugin] = i;
328 uint32_t eh_frame_regno = LLDB_INVALID_REGNUM;
329 reg_info_dict->GetValueForKeyAsInteger("gcc", eh_frame_regno,
330 LLDB_INVALID_REGNUM);
331 if (eh_frame_regno == LLDB_INVALID_REGNUM)
332 reg_info_dict->GetValueForKeyAsInteger("ehframe", eh_frame_regno,
333 LLDB_INVALID_REGNUM);
334 reg_info.kinds[lldb::eRegisterKindEHFrame] = eh_frame_regno;
335 reg_info_dict->GetValueForKeyAsInteger(
336 "dwarf", reg_info.kinds[lldb::eRegisterKindDWARF], LLDB_INVALID_REGNUM);
337 std::string generic_str;
338 if (reg_info_dict->GetValueForKeyAsString("generic", generic_str))
339 reg_info.kinds[lldb::eRegisterKindGeneric] =
340 Args::StringToGenericRegister(generic_str);
342 reg_info_dict->GetValueForKeyAsInteger(
343 "generic", reg_info.kinds[lldb::eRegisterKindGeneric],
344 LLDB_INVALID_REGNUM);
346 // Check if this register invalidates any other register values when it is
348 StructuredData::Array *invalidate_reg_list = nullptr;
349 if (reg_info_dict->GetValueForKeyAsArray("invalidate-regs",
350 invalidate_reg_list)) {
351 const size_t num_regs = invalidate_reg_list->GetSize();
353 for (uint32_t idx = 0; idx < num_regs; ++idx) {
354 ConstString invalidate_reg_name;
355 uint64_t invalidate_reg_num;
356 if (invalidate_reg_list->GetItemAtIndexAsString(
357 idx, invalidate_reg_name)) {
358 RegisterInfo *invalidate_reg_info =
359 GetRegisterInfo(invalidate_reg_name);
360 if (invalidate_reg_info) {
361 m_invalidate_regs_map[i].push_back(
362 invalidate_reg_info->kinds[eRegisterKindLLDB]);
364 // TODO: print error invalid slice string that doesn't follow the
366 printf("error: failed to find a 'invalidate-regs' register for "
367 "\"%s\" while parsing register \"%s\"\n",
368 invalidate_reg_name.GetCString(), reg_info.name);
370 } else if (invalidate_reg_list->GetItemAtIndexAsInteger(
371 idx, invalidate_reg_num)) {
372 if (invalidate_reg_num != UINT64_MAX)
373 m_invalidate_regs_map[i].push_back(invalidate_reg_num);
375 printf("error: 'invalidate-regs' list value wasn't a valid "
378 printf("error: 'invalidate-regs' list value wasn't a python string "
383 printf("error: 'invalidate-regs' contained an empty list\n");
387 // Calculate the register offset
388 const size_t end_reg_offset = reg_info.byte_offset + reg_info.byte_size;
389 if (m_reg_data_byte_size < end_reg_offset)
390 m_reg_data_byte_size = end_reg_offset;
392 m_regs.push_back(reg_info);
393 m_set_reg_nums[set].push_back(i);
396 return m_regs.size();
399 void DynamicRegisterInfo::AddRegister(RegisterInfo ®_info,
400 ConstString ®_name,
401 ConstString ®_alt_name,
402 ConstString &set_name) {
403 assert(!m_finalized);
404 const uint32_t reg_num = m_regs.size();
405 reg_info.name = reg_name.AsCString();
406 assert(reg_info.name);
407 reg_info.alt_name = reg_alt_name.AsCString(NULL);
409 if (reg_info.value_regs) {
410 for (i = 0; reg_info.value_regs[i] != LLDB_INVALID_REGNUM; ++i)
411 m_value_regs_map[reg_num].push_back(reg_info.value_regs[i]);
413 if (reg_info.invalidate_regs) {
414 for (i = 0; reg_info.invalidate_regs[i] != LLDB_INVALID_REGNUM; ++i)
415 m_invalidate_regs_map[reg_num].push_back(reg_info.invalidate_regs[i]);
417 if (reg_info.dynamic_size_dwarf_expr_bytes) {
418 for (i = 0; i < reg_info.dynamic_size_dwarf_len; ++i)
419 m_dynamic_reg_size_map[reg_num].push_back(
420 reg_info.dynamic_size_dwarf_expr_bytes[i]);
422 reg_info.dynamic_size_dwarf_expr_bytes =
423 m_dynamic_reg_size_map[reg_num].data();
426 m_regs.push_back(reg_info);
427 uint32_t set = GetRegisterSetIndexByName(set_name, true);
428 assert(set < m_sets.size());
429 assert(set < m_set_reg_nums.size());
430 assert(set < m_set_names.size());
431 m_set_reg_nums[set].push_back(reg_num);
432 size_t end_reg_offset = reg_info.byte_offset + reg_info.byte_size;
433 if (m_reg_data_byte_size < end_reg_offset)
434 m_reg_data_byte_size = end_reg_offset;
437 void DynamicRegisterInfo::Finalize(const ArchSpec &arch) {
442 const size_t num_sets = m_sets.size();
443 for (size_t set = 0; set < num_sets; ++set) {
444 assert(m_sets.size() == m_set_reg_nums.size());
445 m_sets[set].num_registers = m_set_reg_nums[set].size();
446 m_sets[set].registers = &m_set_reg_nums[set][0];
449 // sort and unique all value registers and make sure each is terminated with
450 // LLDB_INVALID_REGNUM
452 for (reg_to_regs_map::iterator pos = m_value_regs_map.begin(),
453 end = m_value_regs_map.end();
455 if (pos->second.size() > 1) {
456 std::sort(pos->second.begin(), pos->second.end());
457 reg_num_collection::iterator unique_end =
458 std::unique(pos->second.begin(), pos->second.end());
459 if (unique_end != pos->second.end())
460 pos->second.erase(unique_end, pos->second.end());
462 assert(!pos->second.empty());
463 if (pos->second.back() != LLDB_INVALID_REGNUM)
464 pos->second.push_back(LLDB_INVALID_REGNUM);
467 // Now update all value_regs with each register info as needed
468 const size_t num_regs = m_regs.size();
469 for (size_t i = 0; i < num_regs; ++i) {
470 if (m_value_regs_map.find(i) != m_value_regs_map.end())
471 m_regs[i].value_regs = m_value_regs_map[i].data();
473 m_regs[i].value_regs = NULL;
476 // Expand all invalidation dependencies
477 for (reg_to_regs_map::iterator pos = m_invalidate_regs_map.begin(),
478 end = m_invalidate_regs_map.end();
480 const uint32_t reg_num = pos->first;
482 if (m_regs[reg_num].value_regs) {
483 reg_num_collection extra_invalid_regs;
484 for (const uint32_t invalidate_reg_num : pos->second) {
485 reg_to_regs_map::iterator invalidate_pos =
486 m_invalidate_regs_map.find(invalidate_reg_num);
487 if (invalidate_pos != m_invalidate_regs_map.end()) {
488 for (const uint32_t concrete_invalidate_reg_num :
489 invalidate_pos->second) {
490 if (concrete_invalidate_reg_num != reg_num)
491 extra_invalid_regs.push_back(concrete_invalidate_reg_num);
495 pos->second.insert(pos->second.end(), extra_invalid_regs.begin(),
496 extra_invalid_regs.end());
500 // sort and unique all invalidate registers and make sure each is terminated
502 // LLDB_INVALID_REGNUM
503 for (reg_to_regs_map::iterator pos = m_invalidate_regs_map.begin(),
504 end = m_invalidate_regs_map.end();
506 if (pos->second.size() > 1) {
507 std::sort(pos->second.begin(), pos->second.end());
508 reg_num_collection::iterator unique_end =
509 std::unique(pos->second.begin(), pos->second.end());
510 if (unique_end != pos->second.end())
511 pos->second.erase(unique_end, pos->second.end());
513 assert(!pos->second.empty());
514 if (pos->second.back() != LLDB_INVALID_REGNUM)
515 pos->second.push_back(LLDB_INVALID_REGNUM);
518 // Now update all invalidate_regs with each register info as needed
519 for (size_t i = 0; i < num_regs; ++i) {
520 if (m_invalidate_regs_map.find(i) != m_invalidate_regs_map.end())
521 m_regs[i].invalidate_regs = m_invalidate_regs_map[i].data();
523 m_regs[i].invalidate_regs = NULL;
526 // Check if we need to automatically set the generic registers in case
528 bool generic_regs_specified = false;
529 for (const auto ® : m_regs) {
530 if (reg.kinds[eRegisterKindGeneric] != LLDB_INVALID_REGNUM) {
531 generic_regs_specified = true;
536 if (!generic_regs_specified) {
537 switch (arch.GetMachine()) {
538 case llvm::Triple::aarch64:
539 case llvm::Triple::aarch64_be:
540 for (auto ® : m_regs) {
541 if (strcmp(reg.name, "pc") == 0)
542 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
543 else if ((strcmp(reg.name, "fp") == 0) ||
544 (strcmp(reg.name, "x29") == 0))
545 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
546 else if ((strcmp(reg.name, "lr") == 0) ||
547 (strcmp(reg.name, "x30") == 0))
548 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_RA;
549 else if ((strcmp(reg.name, "sp") == 0) ||
550 (strcmp(reg.name, "x31") == 0))
551 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
552 else if (strcmp(reg.name, "cpsr") == 0)
553 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
557 case llvm::Triple::arm:
558 case llvm::Triple::armeb:
559 case llvm::Triple::thumb:
560 case llvm::Triple::thumbeb:
561 for (auto ® : m_regs) {
562 if ((strcmp(reg.name, "pc") == 0) || (strcmp(reg.name, "r15") == 0))
563 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
564 else if ((strcmp(reg.name, "sp") == 0) ||
565 (strcmp(reg.name, "r13") == 0))
566 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
567 else if ((strcmp(reg.name, "lr") == 0) ||
568 (strcmp(reg.name, "r14") == 0))
569 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_RA;
570 else if ((strcmp(reg.name, "r7") == 0) &&
571 arch.GetTriple().getVendor() == llvm::Triple::Apple)
572 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
573 else if ((strcmp(reg.name, "r11") == 0) &&
574 arch.GetTriple().getVendor() != llvm::Triple::Apple)
575 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
576 else if (strcmp(reg.name, "fp") == 0)
577 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
578 else if (strcmp(reg.name, "cpsr") == 0)
579 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
583 case llvm::Triple::x86:
584 for (auto ® : m_regs) {
585 if ((strcmp(reg.name, "eip") == 0) || (strcmp(reg.name, "pc") == 0))
586 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
587 else if ((strcmp(reg.name, "esp") == 0) ||
588 (strcmp(reg.name, "sp") == 0))
589 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
590 else if ((strcmp(reg.name, "ebp") == 0) ||
591 (strcmp(reg.name, "fp") == 0))
592 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
593 else if ((strcmp(reg.name, "eflags") == 0) ||
594 (strcmp(reg.name, "flags") == 0))
595 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
599 case llvm::Triple::x86_64:
600 for (auto ® : m_regs) {
601 if ((strcmp(reg.name, "rip") == 0) || (strcmp(reg.name, "pc") == 0))
602 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
603 else if ((strcmp(reg.name, "rsp") == 0) ||
604 (strcmp(reg.name, "sp") == 0))
605 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
606 else if ((strcmp(reg.name, "rbp") == 0) ||
607 (strcmp(reg.name, "fp") == 0))
608 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
609 else if ((strcmp(reg.name, "rflags") == 0) ||
610 (strcmp(reg.name, "flags") == 0))
611 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
621 size_t DynamicRegisterInfo::GetNumRegisters() const { return m_regs.size(); }
623 size_t DynamicRegisterInfo::GetNumRegisterSets() const { return m_sets.size(); }
625 size_t DynamicRegisterInfo::GetRegisterDataByteSize() const {
626 return m_reg_data_byte_size;
630 DynamicRegisterInfo::GetRegisterInfoAtIndex(uint32_t i) const {
631 if (i < m_regs.size())
636 RegisterInfo *DynamicRegisterInfo::GetRegisterInfoAtIndex(uint32_t i) {
637 if (i < m_regs.size())
642 const RegisterSet *DynamicRegisterInfo::GetRegisterSet(uint32_t i) const {
643 if (i < m_sets.size())
648 uint32_t DynamicRegisterInfo::GetRegisterSetIndexByName(ConstString &set_name,
650 name_collection::iterator pos, end = m_set_names.end();
651 for (pos = m_set_names.begin(); pos != end; ++pos) {
652 if (*pos == set_name)
653 return std::distance(m_set_names.begin(), pos);
656 m_set_names.push_back(set_name);
657 m_set_reg_nums.resize(m_set_reg_nums.size() + 1);
658 RegisterSet new_set = {set_name.AsCString(), NULL, 0, NULL};
659 m_sets.push_back(new_set);
660 return m_sets.size() - 1;
664 DynamicRegisterInfo::ConvertRegisterKindToRegisterNumber(uint32_t kind,
665 uint32_t num) const {
666 reg_collection::const_iterator pos, end = m_regs.end();
667 for (pos = m_regs.begin(); pos != end; ++pos) {
668 if (pos->kinds[kind] == num)
669 return std::distance(m_regs.begin(), pos);
672 return LLDB_INVALID_REGNUM;
675 void DynamicRegisterInfo::Clear() {
678 m_set_reg_nums.clear();
680 m_value_regs_map.clear();
681 m_invalidate_regs_map.clear();
682 m_dynamic_reg_size_map.clear();
683 m_reg_data_byte_size = 0;
687 void DynamicRegisterInfo::Dump() const {
688 StreamFile s(stdout, false);
689 const size_t num_regs = m_regs.size();
690 s.Printf("%p: DynamicRegisterInfo contains %" PRIu64 " registers:\n",
691 static_cast<const void *>(this), static_cast<uint64_t>(num_regs));
692 for (size_t i = 0; i < num_regs; ++i) {
693 s.Printf("[%3" PRIu64 "] name = %-10s", (uint64_t)i, m_regs[i].name);
694 s.Printf(", size = %2u, offset = %4u, encoding = %u, format = %-10s",
695 m_regs[i].byte_size, m_regs[i].byte_offset, m_regs[i].encoding,
696 FormatManager::GetFormatAsCString(m_regs[i].format));
697 if (m_regs[i].kinds[eRegisterKindProcessPlugin] != LLDB_INVALID_REGNUM)
698 s.Printf(", process plugin = %3u",
699 m_regs[i].kinds[eRegisterKindProcessPlugin]);
700 if (m_regs[i].kinds[eRegisterKindDWARF] != LLDB_INVALID_REGNUM)
701 s.Printf(", dwarf = %3u", m_regs[i].kinds[eRegisterKindDWARF]);
702 if (m_regs[i].kinds[eRegisterKindEHFrame] != LLDB_INVALID_REGNUM)
703 s.Printf(", ehframe = %3u", m_regs[i].kinds[eRegisterKindEHFrame]);
704 if (m_regs[i].kinds[eRegisterKindGeneric] != LLDB_INVALID_REGNUM)
705 s.Printf(", generic = %3u", m_regs[i].kinds[eRegisterKindGeneric]);
706 if (m_regs[i].alt_name)
707 s.Printf(", alt-name = %s", m_regs[i].alt_name);
708 if (m_regs[i].value_regs) {
709 s.Printf(", value_regs = [ ");
710 for (size_t j = 0; m_regs[i].value_regs[j] != LLDB_INVALID_REGNUM; ++j) {
711 s.Printf("%s ", m_regs[m_regs[i].value_regs[j]].name);
715 if (m_regs[i].invalidate_regs) {
716 s.Printf(", invalidate_regs = [ ");
717 for (size_t j = 0; m_regs[i].invalidate_regs[j] != LLDB_INVALID_REGNUM;
719 s.Printf("%s ", m_regs[m_regs[i].invalidate_regs[j]].name);
726 const size_t num_sets = m_sets.size();
727 s.Printf("%p: DynamicRegisterInfo contains %" PRIu64 " register sets:\n",
728 static_cast<const void *>(this), static_cast<uint64_t>(num_sets));
729 for (size_t i = 0; i < num_sets; ++i) {
730 s.Printf("set[%" PRIu64 "] name = %s, regs = [", (uint64_t)i,
732 for (size_t idx = 0; idx < m_sets[i].num_registers; ++idx) {
733 s.Printf("%s ", m_regs[m_sets[i].registers[idx]].name);
739 lldb_private::RegisterInfo *DynamicRegisterInfo::GetRegisterInfo(
740 const lldb_private::ConstString ®_name) {
741 for (auto ®_info : m_regs) {
742 // We can use pointer comparison since we used a ConstString to set
743 // the "name" member in AddRegister()
744 if (reg_info.name == reg_name.GetCString()) {