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/RegularExpression.h"
18 #include "lldb/Core/StreamFile.h"
19 #include "lldb/Core/StructuredData.h"
20 #include "lldb/DataFormatters/FormatManager.h"
21 #include "lldb/Host/StringConvert.h"
22 #include "lldb/Utility/StringExtractor.h"
25 using namespace lldb_private;
27 DynamicRegisterInfo::DynamicRegisterInfo () :
33 m_invalidate_regs_map (),
34 m_dynamic_reg_size_map (),
35 m_reg_data_byte_size (0),
40 DynamicRegisterInfo::DynamicRegisterInfo(const lldb_private::StructuredData::Dictionary &dict,
41 const lldb_private::ArchSpec &arch) :
47 m_invalidate_regs_map (),
48 m_dynamic_reg_size_map (),
49 m_reg_data_byte_size (0),
52 SetRegisterInfo (dict, arch);
55 DynamicRegisterInfo::~DynamicRegisterInfo ()
60 DynamicRegisterInfo::SetRegisterInfo(const StructuredData::Dictionary &dict, const ArchSpec &arch)
63 StructuredData::Array *sets = nullptr;
64 if (dict.GetValueForKeyAsArray("sets", sets))
66 const uint32_t num_sets = sets->GetSize();
67 for (uint32_t i=0; i<num_sets; ++i)
69 std::string set_name_str;
71 if (sets->GetItemAtIndexAsString(i, set_name_str))
72 set_name.SetCString(set_name_str.c_str());
75 RegisterSet new_set = { set_name.AsCString(), NULL, 0, NULL };
76 m_sets.push_back (new_set);
81 printf("error: register sets must have valid names\n");
85 m_set_reg_nums.resize(m_sets.size());
87 StructuredData::Array *regs = nullptr;
88 if (!dict.GetValueForKeyAsArray("registers", regs))
91 const uint32_t num_regs = regs->GetSize();
92 // typedef std::map<std::string, std::vector<std::string> > InvalidateNameMap;
93 // InvalidateNameMap invalidate_map;
94 for (uint32_t i = 0; i < num_regs; ++i)
96 StructuredData::Dictionary *reg_info_dict = nullptr;
97 if (!regs->GetItemAtIndexAsDictionary(i, reg_info_dict))
100 printf("error: items in the 'registers' array must be dictionaries\n");
101 regs->DumpToStdout();
105 // { 'name':'rcx' , 'bitsize' : 64, 'offset' : 16, 'encoding':'uint' , 'format':'hex' , 'set': 0, 'ehframe' : 2,
106 // 'dwarf' : 2, 'generic':'arg4', 'alt-name':'arg4', },
107 RegisterInfo reg_info;
108 std::vector<uint32_t> value_regs;
109 std::vector<uint32_t> invalidate_regs;
110 memset(®_info, 0, sizeof(reg_info));
112 ConstString name_val;
113 ConstString alt_name_val;
114 if (!reg_info_dict->GetValueForKeyAsString("name", name_val, nullptr))
117 printf("error: registers must have valid names and offsets\n");
118 reg_info_dict->DumpToStdout();
121 reg_info.name = name_val.GetCString();
122 reg_info_dict->GetValueForKeyAsString("alt-name", alt_name_val, nullptr);
123 reg_info.alt_name = alt_name_val.GetCString();
125 reg_info_dict->GetValueForKeyAsInteger("offset", reg_info.byte_offset, UINT32_MAX);
127 const ByteOrder byte_order = arch.GetByteOrder();
129 if (reg_info.byte_offset == UINT32_MAX)
131 // No offset for this register, see if the register has a value expression
132 // which indicates this register is part of another register. Value expressions
133 // are things like "rax[31:0]" which state that the current register's value
134 // is in a concrete register "rax" in bits 31:0. If there is a value expression
135 // we can calculate the offset
136 bool success = false;
137 std::string slice_str;
138 if (reg_info_dict->GetValueForKeyAsString("slice", slice_str, nullptr))
140 // Slices use the following format:
141 // REGNAME[MSBIT:LSBIT]
142 // REGNAME - name of the register to grab a slice of
143 // MSBIT - the most significant bit at which the current register value starts at
144 // LSBIT - the least significant bit at which the current register value ends at
145 static RegularExpression g_bitfield_regex("([A-Za-z_][A-Za-z0-9_]*)\\[([0-9]+):([0-9]+)\\]");
146 RegularExpression::Match regex_match(3);
147 if (g_bitfield_regex.Execute(slice_str.c_str(), ®ex_match))
149 llvm::StringRef reg_name_str;
150 std::string msbit_str;
151 std::string lsbit_str;
152 if (regex_match.GetMatchAtIndex(slice_str.c_str(), 1, reg_name_str) &&
153 regex_match.GetMatchAtIndex(slice_str.c_str(), 2, msbit_str) &&
154 regex_match.GetMatchAtIndex(slice_str.c_str(), 3, lsbit_str))
156 const uint32_t msbit = StringConvert::ToUInt32(msbit_str.c_str(), UINT32_MAX);
157 const uint32_t lsbit = StringConvert::ToUInt32(lsbit_str.c_str(), UINT32_MAX);
158 if (msbit != UINT32_MAX && lsbit != UINT32_MAX)
162 const uint32_t msbyte = msbit / 8;
163 const uint32_t lsbyte = lsbit / 8;
165 ConstString containing_reg_name(reg_name_str);
167 RegisterInfo *containing_reg_info = GetRegisterInfo(containing_reg_name);
168 if (containing_reg_info)
170 const uint32_t max_bit = containing_reg_info->byte_size * 8;
171 if (msbit < max_bit && lsbit < max_bit)
173 m_invalidate_regs_map[containing_reg_info->kinds[eRegisterKindLLDB]].push_back(i);
174 m_value_regs_map[i].push_back(containing_reg_info->kinds[eRegisterKindLLDB]);
175 m_invalidate_regs_map[i].push_back(containing_reg_info->kinds[eRegisterKindLLDB]);
177 if (byte_order == eByteOrderLittle)
180 reg_info.byte_offset = containing_reg_info->byte_offset + lsbyte;
182 else if (byte_order == eByteOrderBig)
185 reg_info.byte_offset = containing_reg_info->byte_offset + msbyte;
189 assert(!"Invalid byte order");
195 printf("error: msbit (%u) must be less than the bitsize of the register (%u)\n", msbit,
198 printf("error: lsbit (%u) must be less than the bitsize of the register (%u)\n", lsbit,
204 printf("error: invalid concrete register \"%s\"\n", containing_reg_name.GetCString());
209 printf("error: msbit (%u) must be greater than lsbit (%u)\n", msbit, lsbit);
214 printf("error: msbit (%u) and lsbit (%u) must be valid\n", msbit, lsbit);
219 // TODO: print error invalid slice string that doesn't follow the format
220 printf("error: failed to extract regex matches for parsing the register bitfield regex\n");
225 // TODO: print error invalid slice string that doesn't follow the format
226 printf("error: failed to match against register bitfield regex\n");
231 StructuredData::Array *composite_reg_list = nullptr;
232 if (reg_info_dict->GetValueForKeyAsArray("composite", composite_reg_list))
234 const size_t num_composite_regs = composite_reg_list->GetSize();
235 if (num_composite_regs > 0)
237 uint32_t composite_offset = UINT32_MAX;
238 for (uint32_t composite_idx = 0; composite_idx < num_composite_regs; ++composite_idx)
240 ConstString composite_reg_name;
241 if (composite_reg_list->GetItemAtIndexAsString(composite_idx, composite_reg_name, nullptr))
243 RegisterInfo *composite_reg_info = GetRegisterInfo(composite_reg_name);
244 if (composite_reg_info)
246 composite_offset = std::min(composite_offset, composite_reg_info->byte_offset);
247 m_value_regs_map[i].push_back(composite_reg_info->kinds[eRegisterKindLLDB]);
248 m_invalidate_regs_map[composite_reg_info->kinds[eRegisterKindLLDB]].push_back(i);
249 m_invalidate_regs_map[i].push_back(composite_reg_info->kinds[eRegisterKindLLDB]);
253 // TODO: print error invalid slice string that doesn't follow the format
254 printf("error: failed to find composite register by name: \"%s\"\n", composite_reg_name.GetCString());
259 printf("error: 'composite' list value wasn't a python string\n");
262 if (composite_offset != UINT32_MAX)
264 reg_info.byte_offset = composite_offset;
265 success = m_value_regs_map.find(i) != m_value_regs_map.end();
269 printf("error: 'composite' registers must specify at least one real register\n");
274 printf("error: 'composite' list was empty\n");
282 reg_info_dict->DumpToStdout();
288 if (!reg_info_dict->GetValueForKeyAsInteger("bitsize", bitsize))
291 printf("error: invalid or missing 'bitsize' key/value pair in register dictionary\n");
292 reg_info_dict->DumpToStdout();
296 reg_info.byte_size = bitsize / 8;
298 std::string dwarf_opcode_string;
299 if (reg_info_dict->GetValueForKeyAsString ("dynamic_size_dwarf_expr_bytes", dwarf_opcode_string))
301 reg_info.dynamic_size_dwarf_len = dwarf_opcode_string.length () / 2;
302 assert (reg_info.dynamic_size_dwarf_len > 0);
304 std::vector<uint8_t> dwarf_opcode_bytes(reg_info.dynamic_size_dwarf_len);
306 StringExtractor opcode_extractor;
307 // Swap "dwarf_opcode_string" over into "opcode_extractor"
308 opcode_extractor.GetStringRef ().swap (dwarf_opcode_string);
309 uint32_t ret_val = opcode_extractor.GetHexBytesAvail (dwarf_opcode_bytes.data (),
310 reg_info.dynamic_size_dwarf_len);
311 assert (ret_val == reg_info.dynamic_size_dwarf_len);
313 for (j = 0; j < reg_info.dynamic_size_dwarf_len; ++j)
314 m_dynamic_reg_size_map[i].push_back(dwarf_opcode_bytes[j]);
316 reg_info.dynamic_size_dwarf_expr_bytes = m_dynamic_reg_size_map[i].data ();
319 std::string format_str;
320 if (reg_info_dict->GetValueForKeyAsString("format", format_str, nullptr))
322 if (Args::StringToFormat(format_str.c_str(), reg_info.format, NULL).Fail())
325 printf("error: invalid 'format' value in register dictionary\n");
326 reg_info_dict->DumpToStdout();
332 reg_info_dict->GetValueForKeyAsInteger("format", reg_info.format, eFormatHex);
335 std::string encoding_str;
336 if (reg_info_dict->GetValueForKeyAsString("encoding", encoding_str))
337 reg_info.encoding = Args::StringToEncoding(encoding_str.c_str(), eEncodingUint);
339 reg_info_dict->GetValueForKeyAsInteger("encoding", reg_info.encoding, eEncodingUint);
342 if (!reg_info_dict->GetValueForKeyAsInteger<size_t>("set", set, -1) || set >= m_sets.size())
345 printf("error: invalid 'set' value in register dictionary, valid values are 0 - %i\n", (int)set);
346 reg_info_dict->DumpToStdout();
350 // Fill in the register numbers
351 reg_info.kinds[lldb::eRegisterKindLLDB] = i;
352 reg_info.kinds[lldb::eRegisterKindProcessPlugin] = i;
353 uint32_t eh_frame_regno = LLDB_INVALID_REGNUM;
354 reg_info_dict->GetValueForKeyAsInteger("gcc", eh_frame_regno, LLDB_INVALID_REGNUM);
355 if (eh_frame_regno == LLDB_INVALID_REGNUM)
356 reg_info_dict->GetValueForKeyAsInteger("ehframe", eh_frame_regno, LLDB_INVALID_REGNUM);
357 reg_info.kinds[lldb::eRegisterKindEHFrame] = eh_frame_regno;
358 reg_info_dict->GetValueForKeyAsInteger("dwarf", reg_info.kinds[lldb::eRegisterKindDWARF], LLDB_INVALID_REGNUM);
359 std::string generic_str;
360 if (reg_info_dict->GetValueForKeyAsString("generic", generic_str))
361 reg_info.kinds[lldb::eRegisterKindGeneric] = Args::StringToGenericRegister(generic_str.c_str());
363 reg_info_dict->GetValueForKeyAsInteger("generic", reg_info.kinds[lldb::eRegisterKindGeneric], LLDB_INVALID_REGNUM);
365 // Check if this register invalidates any other register values when it is modified
366 StructuredData::Array *invalidate_reg_list = nullptr;
367 if (reg_info_dict->GetValueForKeyAsArray("invalidate-regs", invalidate_reg_list))
369 const size_t num_regs = invalidate_reg_list->GetSize();
372 for (uint32_t idx = 0; idx < num_regs; ++idx)
374 ConstString invalidate_reg_name;
375 uint64_t invalidate_reg_num;
376 if (invalidate_reg_list->GetItemAtIndexAsString(idx, invalidate_reg_name))
378 RegisterInfo *invalidate_reg_info = GetRegisterInfo(invalidate_reg_name);
379 if (invalidate_reg_info)
381 m_invalidate_regs_map[i].push_back(invalidate_reg_info->kinds[eRegisterKindLLDB]);
385 // TODO: print error invalid slice string that doesn't follow the format
386 printf("error: failed to find a 'invalidate-regs' register for \"%s\" while parsing register \"%s\"\n",
387 invalidate_reg_name.GetCString(), reg_info.name);
390 else if (invalidate_reg_list->GetItemAtIndexAsInteger(idx, invalidate_reg_num))
392 if (invalidate_reg_num != UINT64_MAX)
393 m_invalidate_regs_map[i].push_back(invalidate_reg_num);
395 printf("error: 'invalidate-regs' list value wasn't a valid integer\n");
399 printf("error: 'invalidate-regs' list value wasn't a python string or integer\n");
405 printf("error: 'invalidate-regs' contained an empty list\n");
409 // Calculate the register offset
410 const size_t end_reg_offset = reg_info.byte_offset + reg_info.byte_size;
411 if (m_reg_data_byte_size < end_reg_offset)
412 m_reg_data_byte_size = end_reg_offset;
414 m_regs.push_back(reg_info);
415 m_set_reg_nums[set].push_back(i);
418 return m_regs.size();
423 DynamicRegisterInfo::AddRegister (RegisterInfo ®_info,
424 ConstString ®_name,
425 ConstString ®_alt_name,
426 ConstString &set_name)
428 assert(!m_finalized);
429 const uint32_t reg_num = m_regs.size();
430 reg_info.name = reg_name.AsCString();
431 assert (reg_info.name);
432 reg_info.alt_name = reg_alt_name.AsCString(NULL);
434 if (reg_info.value_regs)
436 for (i=0; reg_info.value_regs[i] != LLDB_INVALID_REGNUM; ++i)
437 m_value_regs_map[reg_num].push_back(reg_info.value_regs[i]);
439 if (reg_info.invalidate_regs)
441 for (i=0; reg_info.invalidate_regs[i] != LLDB_INVALID_REGNUM; ++i)
442 m_invalidate_regs_map[reg_num].push_back(reg_info.invalidate_regs[i]);
444 if (reg_info.dynamic_size_dwarf_expr_bytes)
446 for (i = 0; i < reg_info.dynamic_size_dwarf_len; ++i)
447 m_dynamic_reg_size_map[reg_num].push_back(reg_info.dynamic_size_dwarf_expr_bytes[i]);
449 reg_info.dynamic_size_dwarf_expr_bytes = m_dynamic_reg_size_map[reg_num].data ();
452 m_regs.push_back (reg_info);
453 uint32_t set = GetRegisterSetIndexByName (set_name, true);
454 assert (set < m_sets.size());
455 assert (set < m_set_reg_nums.size());
456 assert (set < m_set_names.size());
457 m_set_reg_nums[set].push_back(reg_num);
458 size_t end_reg_offset = reg_info.byte_offset + reg_info.byte_size;
459 if (m_reg_data_byte_size < end_reg_offset)
460 m_reg_data_byte_size = end_reg_offset;
464 DynamicRegisterInfo::Finalize (const ArchSpec &arch)
470 const size_t num_sets = m_sets.size();
471 for (size_t set = 0; set < num_sets; ++set)
473 assert (m_sets.size() == m_set_reg_nums.size());
474 m_sets[set].num_registers = m_set_reg_nums[set].size();
475 m_sets[set].registers = &m_set_reg_nums[set][0];
478 // sort and unique all value registers and make sure each is terminated with
479 // LLDB_INVALID_REGNUM
481 for (reg_to_regs_map::iterator pos = m_value_regs_map.begin(), end = m_value_regs_map.end();
485 if (pos->second.size() > 1)
487 std::sort (pos->second.begin(), pos->second.end());
488 reg_num_collection::iterator unique_end = std::unique (pos->second.begin(), pos->second.end());
489 if (unique_end != pos->second.end())
490 pos->second.erase(unique_end, pos->second.end());
492 assert (!pos->second.empty());
493 if (pos->second.back() != LLDB_INVALID_REGNUM)
494 pos->second.push_back(LLDB_INVALID_REGNUM);
497 // Now update all value_regs with each register info as needed
498 const size_t num_regs = m_regs.size();
499 for (size_t i=0; i<num_regs; ++i)
501 if (m_value_regs_map.find(i) != m_value_regs_map.end())
502 m_regs[i].value_regs = m_value_regs_map[i].data();
504 m_regs[i].value_regs = NULL;
507 // Expand all invalidation dependencies
508 for (reg_to_regs_map::iterator pos = m_invalidate_regs_map.begin(), end = m_invalidate_regs_map.end();
512 const uint32_t reg_num = pos->first;
514 if (m_regs[reg_num].value_regs)
516 reg_num_collection extra_invalid_regs;
517 for (const uint32_t invalidate_reg_num : pos->second)
519 reg_to_regs_map::iterator invalidate_pos = m_invalidate_regs_map.find(invalidate_reg_num);
520 if (invalidate_pos != m_invalidate_regs_map.end())
522 for (const uint32_t concrete_invalidate_reg_num : invalidate_pos->second)
524 if (concrete_invalidate_reg_num != reg_num)
525 extra_invalid_regs.push_back(concrete_invalidate_reg_num);
529 pos->second.insert(pos->second.end(), extra_invalid_regs.begin(), extra_invalid_regs.end());
533 // sort and unique all invalidate registers and make sure each is terminated with
534 // LLDB_INVALID_REGNUM
535 for (reg_to_regs_map::iterator pos = m_invalidate_regs_map.begin(), end = m_invalidate_regs_map.end();
539 if (pos->second.size() > 1)
541 std::sort (pos->second.begin(), pos->second.end());
542 reg_num_collection::iterator unique_end = std::unique (pos->second.begin(), pos->second.end());
543 if (unique_end != pos->second.end())
544 pos->second.erase(unique_end, pos->second.end());
546 assert (!pos->second.empty());
547 if (pos->second.back() != LLDB_INVALID_REGNUM)
548 pos->second.push_back(LLDB_INVALID_REGNUM);
551 // Now update all invalidate_regs with each register info as needed
552 for (size_t i=0; i<num_regs; ++i)
554 if (m_invalidate_regs_map.find(i) != m_invalidate_regs_map.end())
555 m_regs[i].invalidate_regs = m_invalidate_regs_map[i].data();
557 m_regs[i].invalidate_regs = NULL;
560 // Check if we need to automatically set the generic registers in case
562 bool generic_regs_specified = false;
563 for (const auto ®: m_regs)
565 if (reg.kinds[eRegisterKindGeneric] != LLDB_INVALID_REGNUM)
567 generic_regs_specified = true;
572 if (!generic_regs_specified)
574 switch (arch.GetMachine())
576 case llvm::Triple::aarch64:
577 case llvm::Triple::aarch64_be:
578 for (auto ®: m_regs)
580 if (strcmp(reg.name, "pc") == 0)
581 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
582 else if ((strcmp(reg.name, "fp") == 0) || (strcmp(reg.name, "x29") == 0))
583 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
584 else if ((strcmp(reg.name, "lr") == 0) || (strcmp(reg.name, "x30") == 0))
585 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_RA;
586 else if ((strcmp(reg.name, "sp") == 0) || (strcmp(reg.name, "x31") == 0))
587 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
588 else if (strcmp(reg.name, "cpsr") == 0)
589 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
593 case llvm::Triple::arm:
594 case llvm::Triple::armeb:
595 case llvm::Triple::thumb:
596 case llvm::Triple::thumbeb:
597 for (auto ®: m_regs)
599 if ((strcmp(reg.name, "pc") == 0) || (strcmp(reg.name, "r15") == 0))
600 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
601 else if ((strcmp(reg.name, "sp") == 0) || (strcmp(reg.name, "r13") == 0))
602 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
603 else if ((strcmp(reg.name, "lr") == 0) || (strcmp(reg.name, "r14") == 0))
604 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_RA;
605 else if ((strcmp(reg.name, "r7") == 0) && arch.GetTriple().getVendor() == llvm::Triple::Apple)
606 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
607 else if ((strcmp(reg.name, "r11") == 0) && arch.GetTriple().getVendor() != llvm::Triple::Apple)
608 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
609 else if (strcmp(reg.name, "fp") == 0)
610 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
611 else if (strcmp(reg.name, "cpsr") == 0)
612 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
616 case llvm::Triple::x86:
617 for (auto ®: m_regs)
619 if ((strcmp(reg.name, "eip") == 0) || (strcmp(reg.name, "pc") == 0))
620 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
621 else if ((strcmp(reg.name, "esp") == 0) || (strcmp(reg.name, "sp") == 0))
622 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
623 else if ((strcmp(reg.name, "ebp") == 0) || (strcmp(reg.name, "fp") == 0))
624 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
625 else if ((strcmp(reg.name, "eflags") == 0) || (strcmp(reg.name, "flags") == 0))
626 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
630 case llvm::Triple::x86_64:
631 for (auto ®: m_regs)
633 if ((strcmp(reg.name, "rip") == 0) || (strcmp(reg.name, "pc") == 0))
634 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_PC;
635 else if ((strcmp(reg.name, "rsp") == 0) || (strcmp(reg.name, "sp") == 0))
636 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_SP;
637 else if ((strcmp(reg.name, "rbp") == 0) || (strcmp(reg.name, "fp") == 0))
638 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FP;
639 else if ((strcmp(reg.name, "rflags") == 0) || (strcmp(reg.name, "flags") == 0))
640 reg.kinds[eRegisterKindGeneric] = LLDB_REGNUM_GENERIC_FLAGS;
651 DynamicRegisterInfo::GetNumRegisters() const
653 return m_regs.size();
657 DynamicRegisterInfo::GetNumRegisterSets() const
659 return m_sets.size();
663 DynamicRegisterInfo::GetRegisterDataByteSize() const
665 return m_reg_data_byte_size;
669 DynamicRegisterInfo::GetRegisterInfoAtIndex (uint32_t i) const
671 if (i < m_regs.size())
677 DynamicRegisterInfo::GetRegisterInfoAtIndex (uint32_t i)
679 if (i < m_regs.size())
685 DynamicRegisterInfo::GetRegisterSet (uint32_t i) const
687 if (i < m_sets.size())
693 DynamicRegisterInfo::GetRegisterSetIndexByName (ConstString &set_name, bool can_create)
695 name_collection::iterator pos, end = m_set_names.end();
696 for (pos = m_set_names.begin(); pos != end; ++pos)
698 if (*pos == set_name)
699 return std::distance (m_set_names.begin(), pos);
702 m_set_names.push_back(set_name);
703 m_set_reg_nums.resize(m_set_reg_nums.size()+1);
704 RegisterSet new_set = { set_name.AsCString(), NULL, 0, NULL };
705 m_sets.push_back (new_set);
706 return m_sets.size() - 1;
710 DynamicRegisterInfo::ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num) const
712 reg_collection::const_iterator pos, end = m_regs.end();
713 for (pos = m_regs.begin(); pos != end; ++pos)
715 if (pos->kinds[kind] == num)
716 return std::distance (m_regs.begin(), pos);
719 return LLDB_INVALID_REGNUM;
723 DynamicRegisterInfo::Clear()
727 m_set_reg_nums.clear();
729 m_value_regs_map.clear();
730 m_invalidate_regs_map.clear();
731 m_dynamic_reg_size_map.clear();
732 m_reg_data_byte_size = 0;
737 DynamicRegisterInfo::Dump () const
739 StreamFile s(stdout, false);
740 const size_t num_regs = m_regs.size();
741 s.Printf("%p: DynamicRegisterInfo contains %" PRIu64 " registers:\n",
742 static_cast<const void*>(this), static_cast<uint64_t>(num_regs));
743 for (size_t i=0; i<num_regs; ++i)
745 s.Printf("[%3" PRIu64 "] name = %-10s", (uint64_t)i, m_regs[i].name);
746 s.Printf(", size = %2u, offset = %4u, encoding = %u, format = %-10s",
748 m_regs[i].byte_offset,
750 FormatManager::GetFormatAsCString (m_regs[i].format));
751 if (m_regs[i].kinds[eRegisterKindProcessPlugin] != LLDB_INVALID_REGNUM)
752 s.Printf(", process plugin = %3u", m_regs[i].kinds[eRegisterKindProcessPlugin]);
753 if (m_regs[i].kinds[eRegisterKindDWARF] != LLDB_INVALID_REGNUM)
754 s.Printf(", dwarf = %3u", m_regs[i].kinds[eRegisterKindDWARF]);
755 if (m_regs[i].kinds[eRegisterKindEHFrame] != LLDB_INVALID_REGNUM)
756 s.Printf(", ehframe = %3u", m_regs[i].kinds[eRegisterKindEHFrame]);
757 if (m_regs[i].kinds[eRegisterKindGeneric] != LLDB_INVALID_REGNUM)
758 s.Printf(", generic = %3u", m_regs[i].kinds[eRegisterKindGeneric]);
759 if (m_regs[i].alt_name)
760 s.Printf(", alt-name = %s", m_regs[i].alt_name);
761 if (m_regs[i].value_regs)
763 s.Printf(", value_regs = [ ");
764 for (size_t j=0; m_regs[i].value_regs[j] != LLDB_INVALID_REGNUM; ++j)
766 s.Printf("%s ", m_regs[m_regs[i].value_regs[j]].name);
770 if (m_regs[i].invalidate_regs)
772 s.Printf(", invalidate_regs = [ ");
773 for (size_t j=0; m_regs[i].invalidate_regs[j] != LLDB_INVALID_REGNUM; ++j)
775 s.Printf("%s ", m_regs[m_regs[i].invalidate_regs[j]].name);
782 const size_t num_sets = m_sets.size();
783 s.Printf("%p: DynamicRegisterInfo contains %" PRIu64 " register sets:\n",
784 static_cast<const void*>(this), static_cast<uint64_t>(num_sets));
785 for (size_t i=0; i<num_sets; ++i)
787 s.Printf("set[%" PRIu64 "] name = %s, regs = [", (uint64_t)i, m_sets[i].name);
788 for (size_t idx=0; idx<m_sets[i].num_registers; ++idx)
790 s.Printf("%s ", m_regs[m_sets[i].registers[idx]].name);
798 lldb_private::RegisterInfo *
799 DynamicRegisterInfo::GetRegisterInfo (const lldb_private::ConstString ®_name)
801 for (auto ®_info : m_regs)
803 // We can use pointer comparison since we used a ConstString to set
804 // the "name" member in AddRegister()
805 if (reg_info.name == reg_name.GetCString())